Merge commit 'mesa_7_5_rc4' into debian-experimental

Conflicts: progs/fp/point-position.c progs/fp/tri-depth.c progs/fp/tri-depth2.c progs/fp/tri-depthwrite.c progs/fp/tri-depthwrite2.c progs/fp/tri-inv.c progs/fp/tri-param.c progs/fp/tri-tex.c progs/tests/.gitignore progs/tests/Makefile progs/tests/zreaddraw.c
author: Julien Cristau <[email protected]> 2009-06-28 17:41:50 +0200
committer: Julien Cristau <[email protected]> 2009-06-28 17:41:50 +0200
commit: adafe6d60781aff60e41afe8a3ab5be29848565e (patch)
tree: ece5cf08b59db3f0373128d866a7899a7673cb7e
parent: c38bc21cf522647db69f1e5cdbd4b152c728183c (diff)
parent: 418987ff05f892d3c33ed4ddbe856c496b05ea14 (diff)
225 files changed, 3571 insertions, 6723 deletions
diff --git a/Makefile b/Makefile
index 22334d6ee48..f7361d6198d 100644
--- a/Makefile
+++ b/Makefile
@@ -182,7 +182,7 @@ ultrix-gcc:
 
 # Rules for making release tarballs
 
-VERSION=7.5-rc3
+VERSION=7.5-rc4
 DIRECTORY = Mesa-$(VERSION)
 LIB_NAME = MesaLib-$(VERSION)
 DEMO_NAME = MesaDemos-$(VERSION)
diff --git a/bin/mklib b/bin/mklib
index 2fd95ba7751..24449450068 100755
--- a/bin/mklib
+++ b/bin/mklib
@@ -885,6 +885,17 @@ case $ARCH in
 
      CYGWIN*)
 	# GCC-based environment
+	if [ $NOPREFIX = 1 ] ; then
+	    # No "lib" or ".so" part
+	    echo "mklib: Making CYGWIN shared library: " ${LIBNAME}
+	    OPTS="-shared -Wl,--enable-auto-image-base"
+            if [ "${ALTOPTS}" ] ; then
+                OPTS=${ALTOPTS}
+            fi
+	    rm -f ${LIBNAME}
+	    ${LINK} ${OPTS} ${LDFLAGS} -o ${LIBNAME} ${OBJECTS} ${DEPS}
+	    FINAL_LIBS=${LIBNAME}
+        else
 	CYGNAME="cyg${LIBNAME}"     # prefix with "cyg"
 	LIBNAME="lib${LIBNAME}"     # prefix with "lib"
 
@@ -901,11 +912,11 @@ case $ARCH in
             # finish up
             FINAL_LIBS=${LIBNAME}.a
         else
-	    OPTS="-shared -Wl,-export-all -Wl,--out-implib=${LIBNAME}-${MAJOR}.dll.a"
+	    OPTS="-shared -Wl,--enable-auto-image-base -Wl,-export-all -Wl,--out-implib=${LIBNAME}-${MAJOR}.dll.a"
             if [ "${ALTOPTS}" ] ; then
                 OPTS=${ALTOPTS}
             fi
-            echo "mklib: Making" $ARCH "shared library: " ${LIBNAME}-${MAJOR}.dll
+            echo "mklib: Making" $ARCH "shared library: " ${CYGNAME}-${MAJOR}.dll
 
             if [ $CPLUSPLUS = 1 ] ; then
                 LINK="g++"
@@ -914,7 +925,8 @@ case $ARCH in
             fi
 
             # rm any old libs
-            rm -f ${LIBNAME}-${MAJOR}.dll
+            rm -f ${CYGNAME}-${MAJOR}.dll
+            rm -f ${LIBNAME}-${MAJOR}.dll.a
             rm -f ${LIBNAME}.dll.a
             rm -f ${LIBNAME}.a
 
@@ -927,6 +939,7 @@ case $ARCH in
 	    # special case for installing in bin
             FINAL_BINS="${CYGNAME}-${MAJOR}.dll"
         fi
+        fi
 	;;
 
     'example')
diff --git a/configure.ac b/configure.ac
index 48b8022736d..2a9ac1ed9cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -222,6 +222,8 @@ else
     case "$host_os" in
     darwin* )
         LIB_EXTENSION='dylib' ;;
+    cygwin* )
+        LIB_EXTENSION='dll' ;;
     * )
         LIB_EXTENSION='so' ;;
     esac
@@ -1073,6 +1075,9 @@ if test "x$APP_LIB_DEPS" = x; then
     solaris*)
         APP_LIB_DEPS="-lX11 -lsocket -lnsl -lm"
         ;;
+    cygwin*)
+        APP_LIB_DEPS="-lX11"
+        ;;
     *)
         APP_LIB_DEPS="-lm"
         ;;
diff --git a/docs/devinfo.html b/docs/devinfo.html
index 3cebf5f36db..0fb816749ed 100644
--- a/docs/devinfo.html
+++ b/docs/devinfo.html
@@ -123,20 +123,21 @@ These are the instructions for making a new Mesa release.
 
 <H3>Get latest source files</H3>
 <p>
-Use "cvs update -dAP " to get the latest Mesa files from CVS.
+Use git to get the latest Mesa files from the git repository, from whatever
+branch is relevant.
 </p>
 
 
 <H3>Verify and update version info</H3>
 <p>
-Create/edit the docs/RELNOTES-X.Y file to document what's new in the release.
-Add the new RELNOTES-X.Y file to <a href="relnotes.html">relnotes.html</a>.
-Update the docs/VERSIONS file too.
+Create/edit the docs/relnotes-x.y.html file to document what's new in the release.
+Add the new relnotes-x.y.html file to <a href="relnotes.html">relnotes.html</a>.
 </p>
 
 <p>
-Edit the MESA_MAJOR, MESA_MINOR and MESA_TINY version numbers in
+Update the MESA_MAJOR, MESA_MINOR and MESA_TINY version numbers in
 configs/default.
+Also update the VERSION line in the top-level Makefile.
 </p>
 
 <p>
@@ -144,27 +145,24 @@ Make sure the values in src/mesa/main/version.h are correct.
 </p>
 
 <p>
-Edit the top-level Makefile and verify that DIRECTORY, LIB_NAME and
-DEMO_NAME are correct.
-</p>
-
-<p>
 Update the docs/news.html file and docs/download.html files.
 </p>
 
 <p>
-Check in all updates to CVS.
+Check in all updates to git.
 </p>
 
 <p>
-Tag the CVS files with the release name (in the form <b>mesa_X_Y</b>).
+Tag the files with the release name (in the form <b>mesa_X_Y</b>)
+with: <code>git tag -a mesa_X_Y</code>
+Then: <code>git push origin mesa_X_Y</code>
 </p>
 
 
 <H3>Make the tarballs</H3>
 <p>
 Make a symbolic link from $(DIRECTORY) to 'Mesa'.  For example,
-ln -s Mesa Mesa-6.3
+<code>ln -s Mesa Mesa-7.5</code>
 This is needed in order to make a correct tar file in the next step.
 </p>
 
@@ -177,7 +175,7 @@ Make the distribution files.  From inside the Mesa directory:
 <p>
 After the tarballs are created, the md5 checksums for the files will
 be computed.
-Add them to the docs/news.html file.
+Add them to the docs/relnotes-X.Y.html file.
 </p>
 
 <p>
@@ -192,8 +190,20 @@ uploading the tarballs.
 </p>
 
 <p>
+Basically, to upload the tarball files with:
+<br>
+<code>
+rsync -avP ssh Mesa*-X.Y.* [email protected]:uploads/
+</code>
+</p>
+
+<p>
 Update the web site by copying the docs/ directory's files to 
-/home/users/b/br/brianp/mesa-www/htdocs/
+/home/users/b/br/brianp/mesa-www/htdocs/ with:
+<br>
+<code>
+sftp USERNAME,[email protected]
+</code>
 </p>
 
 <p>
diff --git a/docs/install.html b/docs/install.html
index be61ef30433..953d2094d5b 100644
--- a/docs/install.html
+++ b/docs/install.html
@@ -21,6 +21,7 @@
   <li><a href="#pkg-config">Building OpenGL programs with pkg-config
   </ul>
 <li><a href="#windows">Windows</a>
+<li><a href="#scons">SCons</a>
 <li><a href="#other">Other</a>
 </ol>
 <br>
@@ -328,13 +329,60 @@ For example, compiling and linking a GLUT application can be done with:
 <H2>2. Windows Compilation and Installation</H1>
 
 <p>
-Please see the <a href="README.WIN32">README.WIN32</a> file.
+Please see the <a href="#scons">instructions on building with SCons</a>.
+Alternatively see <a href="README.WIN32">README.WIN32</a> file.
 </p>
 
 
 
+<a name="scons">
+<H2>3. Building with SCons</H1>
+
+<p>
+To build Mesa with SCons on Linux or Windows do
+</p>
+<pre>
+    scons
+</pre>
+<p>
+The build output will be placed in
+build/<i>platform</i>-<i>machine</i>-<i>debug</i>/..., where <i>platform</i> is for
+example linux or windows, <i>machine</i> is x86 or x86_64, optionally followed
+by -debug for debug builds.
+</p>
+
+<p>
+The sample programs are built seperately. To build them do
+<pre>
+    scons -C progs
+</pre>
+And the build output will be placed in progs/build/...
+</p>
+
+<p>
+To build Mesa with SCons for Windows on Linux using the MinGW crosscompiler toolchain do
+</p>
+<pre>
+    scons platform=windows toolchain=crossmingw machine=x86 statetrackers=mesa drivers=softpipe,trace winsys=gdi
+    scons -C progs platform=windows toolchain=crossmingw machine=x86 -k
+</pre>
+<p>
+This will create:
+</p>
+<ul>
+<li>build/windows-x86-debug/gallium/winsys/gdi/opengl32.dll &mdash; Mesa + Gallium + softpipe, binary compatible with Windows's opengl32.dll 
+<li>build/windows-x86-debug/glut/glx/glut32.dll
+<li>progs/build/windows-x86-debug/wgl/wglinfo.exe
+<li>progs/build/windows-x86-debug/trivial/tri.exe
+<li>and many other samples in progs/build/windows-x86-debug/...
+</ul>
+<p>
+Put them all in the same directory to test them.
+</p>
+
+
 <a name="other">
-<H2>3. Other systems</H1>
+<H2>4. Other systems</H1>
 
 <p>
 Documentation for other environments (some may be very out of date):
diff --git a/docs/news.html b/docs/news.html
index 8cf2f91dd03..ee4a86c2a21 100644
--- a/docs/news.html
+++ b/docs/news.html
@@ -11,6 +11,21 @@
 <H1>News</H1>
 
 
+<h2>June 23, 2009</h2>
+<p>
+<a href="relnotes-7.4.4.html">Mesa 7.4.4</a> is released.
+This is a stable release that fixes a regression in the i915/i965 drivers
+that slipped into the 7.4.3 release.
+</p>
+
+
+<h2>June 19, 2009</h2>
+<p>
+<a href="relnotes-7.4.3.html">Mesa 7.4.3</a> is released.
+This is a stable release fixing bugs since the 7.4.2 release.
+</p>
+
+
 <h2>May 15, 2009</h2>
 <p>
 <a href="relnotes-7.4.2.html">Mesa 7.4.2</a> is released.
diff --git a/docs/relnotes-7.4.3.html b/docs/relnotes-7.4.3.html
new file mode 100644
index 00000000000..35b5dccbb0a
--- /dev/null
+++ b/docs/relnotes-7.4.3.html
@@ -0,0 +1,79 @@
+<HTML>
+
+<TITLE>Mesa Release Notes</TITLE>
+
+<head><link rel="stylesheet" type="text/css" href="mesa.css"></head>
+
+<BODY>
+
+<body bgcolor="#eeeeee">
+
+<H1>Mesa 7.4.3 Release Notes / 19 June 2009</H1>
+
+<p>
+Mesa 7.4.3 is a stable development release fixing bugs since the 7.4.2 release.
+</p>
+<p>
+Mesa 7.4.3 implements the OpenGL 2.1 API, but the version reported by
+glGetString(GL_VERSION) depends on the particular driver being used.
+Some drivers don't support all the features required in OpenGL 2.1.
+</p>
+<p>
+See the <a href="install.html">Compiling/Installing page</a> for prerequisites
+for DRI hardware acceleration.
+</p>
+
+
+<h2>MD5 checksums</h2>
+<pre>
+34c5a6c47ed51f31c4fa36e269831352  MesaLib-7.4.3.tar.gz
+70a983ba3deaa8bd63b18bbab283f698  MesaLib-7.4.3.tar.bz2
+34f21b3205b271d575030aa98a2dda51  MesaLib-7.4.3.zip
+56752b7adede212e6097afb10d0c0d59  MesaDemos-7.4.3.tar.gz
+8ffa51c4833b1e298300a005e2d7ca2a  MesaDemos-7.4.3.tar.bz2
+0037d24d41400d6fb9800ae55b8c863f  MesaDemos-7.4.3.zip
+20e24f6692c0c90e7e3b220f79c4108d  MesaGLUT-7.4.3.tar.gz
+03a4beeef74fc5ef0b1d6d04710e5a8a  MesaGLUT-7.4.3.tar.bz2
+273788230adbdb9d57371309adedcf5f  MesaGLUT-7.4.3.zip
+</pre>
+
+
+<h2>Bug fixes</h2>
+<ul>
+<li>Fixed texture object reference counting bug (bug 21756)
+<li>Allow depth/stencil textures to be attached to GL_STENCIL_ATTACHMENT point
+    (SF bug 2793846)
+<li>Added missing glGet case for GL_VERTEX_ARRAY_BINDING_APPLE
+<li>Fixed some OSMesa build issues
+<li>Fixed a vertex buffer object crash
+<li>Fixed broken glTexImage3D() when image type = GL_BITMAP
+<li>Fixed some GLSL preprocessor bugs
+<li>Fixed framebuffer mem leak in i945/i965 DRI drivers
+<li>Fixed texture coordinate repeat bug in swrast (bug 21872)
+<li>Fixed incorrect viewport clamping (lower bound is zero, not one)
+<li>GLX fix for glean's makeCurrent test case
+</ul>
+
+
+
+<h2>Driver Status</h2>
+
+<pre>
+Driver			Status
+----------------------	----------------------
+DRI drivers		varies with the driver
+XMesa/GLX (on Xlib)	implements OpenGL 2.1
+OSMesa (off-screen)	implements OpenGL 2.1
+Windows/Win32		implements OpenGL 2.1
+Glide (3dfx Voodoo1/2)	implements OpenGL 1.3
+SVGA			unsupported
+Wind River UGL		unsupported
+DJGPP			unsupported
+GGI			unsupported
+BeOS			unsupported
+Allegro			unsupported
+D3D			unsupported
+</pre>
+
+</body>
+</html>
diff --git a/docs/relnotes-7.4.4.html b/docs/relnotes-7.4.4.html
new file mode 100644
index 00000000000..2a34568a7e4
--- /dev/null
+++ b/docs/relnotes-7.4.4.html
@@ -0,0 +1,68 @@
+<HTML>
+
+<TITLE>Mesa Release Notes</TITLE>
+
+<head><link rel="stylesheet" type="text/css" href="mesa.css"></head>
+
+<BODY>
+
+<body bgcolor="#eeeeee">
+
+<H1>Mesa 7.4.4 Release Notes / 23 June 2009</H1>
+
+<p>
+Mesa 7.4.4 is a stable development release fixing bugs since the 7.4.3 release.
+</p>
+<p>
+Mesa 7.4.4 implements the OpenGL 2.1 API, but the version reported by
+glGetString(GL_VERSION) depends on the particular driver being used.
+Some drivers don't support all the features required in OpenGL 2.1.
+</p>
+<p>
+See the <a href="install.html">Compiling/Installing page</a> for prerequisites
+for DRI hardware acceleration.
+</p>
+
+
+<h2>MD5 checksums</h2>
+<pre>
+0b56fe5a88ab0c3c5b2da5068f63f416  MesaLib-7.4.4.tar.gz
+b66528d314c574dccbe0ed963cac5e93  MesaLib-7.4.4.tar.bz2
+2818076f3ba23fa87fdfe4602a637a18  MesaLib-7.4.4.zip
+3e77b208386c47b18165bce5ae317e2c  MesaDemos-7.4.4.tar.gz
+628142ec9a54cd28cc027e6ce26cff47  MesaDemos-7.4.4.tar.bz2
+d08a30d30ab7174859aa709cba6c726d  MesaDemos-7.4.4.zip
+e6e91ba16e274d40cf3a97ad3218af01  MesaGLUT-7.4.4.tar.gz
+e14bbb52517e8121b31f1387515365ab  MesaGLUT-7.4.4.tar.bz2
+f10ed20469753c2b3d68c99854f80fd4  MesaGLUT-7.4.4.zip
+</pre>
+
+
+<h2>Bug fixes</h2>
+<ul>
+<li>Fixed i965/i915 segfault in screen destruction (bug 22408)
+</ul>
+
+
+
+<h2>Driver Status</h2>
+
+<pre>
+Driver			Status
+----------------------	----------------------
+DRI drivers		varies with the driver
+XMesa/GLX (on Xlib)	implements OpenGL 2.1
+OSMesa (off-screen)	implements OpenGL 2.1
+Windows/Win32		implements OpenGL 2.1
+Glide (3dfx Voodoo1/2)	implements OpenGL 1.3
+SVGA			unsupported
+Wind River UGL		unsupported
+DJGPP			unsupported
+GGI			unsupported
+BeOS			unsupported
+Allegro			unsupported
+D3D			unsupported
+</pre>
+
+</body>
+</html>
diff --git a/docs/relnotes-7.5.html b/docs/relnotes-7.5.html
index d47b21d827e..045692113df 100644
--- a/docs/relnotes-7.5.html
+++ b/docs/relnotes-7.5.html
@@ -68,12 +68,16 @@ including GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0
 <li>GL_EXT_texture_swizzle extension (software drivers, i965 driver)
 <li>Updated SPARC assembly optimizations (David S. Miller)
 <li>Initial support for separate compilation units in GLSL compiler.
+<li>Increased max number of generic GLSL varying variables to 16 (formerly 8).
+<li>GLSL linker now detects when too many varying variables are used.
 </ul>
 
 
 <h2>Bug fixes</h2>
 <ul>
 <li>Lots of i965 driver bug fixes
+<li>Fixed some GLSL preprocessor bugs
+<li>GLSL: continue inside of a for-loop didn't work
 </ul>
 
 
diff --git a/docs/relnotes.html b/docs/relnotes.html
index 45746268af9..4764eb689d8 100644
--- a/docs/relnotes.html
+++ b/docs/relnotes.html
@@ -9,18 +9,13 @@
 <H1>Release Notes</H1>
 
 <p>
-Mesa uses an even/odd version number scheme like the Linux kernel.
-Odd numbered versions (such as 6.5) designate new developmental releases.
-Even numbered versions (such as 6.4) designate stable releases.
-</p>
-
-
-<p>
 The release notes summarize what's new or changed in each Mesa release.
 </p>
 
 <UL>
 <LI><A HREF="relnotes-7.5.html">7.5 release notes</A>
+<LI><A HREF="relnotes-7.4.4.html">7.4.4 release notes</A>
+<LI><A HREF="relnotes-7.4.3.html">7.4.3 release notes</A>
 <LI><A HREF="relnotes-7.4.2.html">7.4.2 release notes</A>
 <LI><A HREF="relnotes-7.4.1.html">7.4.1 release notes</A>
 <LI><A HREF="relnotes-7.4.html">7.4 release notes</A>
diff --git a/include/GL/glew.h b/include/GL/glew.h
index 2014092e877..7932a1ce199 100644
--- a/include/GL/glew.h
+++ b/include/GL/glew.h
@@ -2702,7 +2702,7 @@ typedef GLenum (GLAPIENTRY * PFNGLCHECKFRAMEBUFFERSTATUSPROC) (GLenum target);
 typedef void (GLAPIENTRY * PFNGLDELETEFRAMEBUFFERSPROC) (GLsizei n, const GLuint* framebuffers);
 typedef void (GLAPIENTRY * PFNGLDELETERENDERBUFFERSPROC) (GLsizei n, const GLuint* renderbuffers);
 typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERRENDERBUFFERPROC) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
-typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURLAYERPROC) (GLenum target,GLenum attachment, GLuint texture,GLint level,GLint layer);
+typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURELAYERPROC) (GLenum target,GLenum attachment, GLuint texture,GLint level,GLint layer);
 typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURE1DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
 typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURE2DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
 typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURE3DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint layer);
@@ -2723,7 +2723,7 @@ typedef void (GLAPIENTRY * PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) (GLenum targ
 #define glDeleteFramebuffers GLEW_GET_FUN(__glewDeleteFramebuffers)
 #define glDeleteRenderbuffers GLEW_GET_FUN(__glewDeleteRenderbuffers)
 #define glFramebufferRenderbuffer GLEW_GET_FUN(__glewFramebufferRenderbuffer)
-#define glFramebufferTexturLayer GLEW_GET_FUN(__glewFramebufferTexturLayer)
+#define glFramebufferTextureLayer GLEW_GET_FUN(__glewFramebufferTextureLayer)
 #define glFramebufferTexture1D GLEW_GET_FUN(__glewFramebufferTexture1D)
 #define glFramebufferTexture2D GLEW_GET_FUN(__glewFramebufferTexture2D)
 #define glFramebufferTexture3D GLEW_GET_FUN(__glewFramebufferTexture3D)
@@ -10563,7 +10563,7 @@ GLEW_FUN_EXPORT PFNGLCHECKFRAMEBUFFERSTATUSPROC __glewCheckFramebufferStatus;
 GLEW_FUN_EXPORT PFNGLDELETEFRAMEBUFFERSPROC __glewDeleteFramebuffers;
 GLEW_FUN_EXPORT PFNGLDELETERENDERBUFFERSPROC __glewDeleteRenderbuffers;
 GLEW_FUN_EXPORT PFNGLFRAMEBUFFERRENDERBUFFERPROC __glewFramebufferRenderbuffer;
-GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURLAYERPROC __glewFramebufferTexturLayer;
+GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURELAYERPROC __glewFramebufferTextureLayer;
 GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURE1DPROC __glewFramebufferTexture1D;
 GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURE2DPROC __glewFramebufferTexture2D;
 GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURE3DPROC __glewFramebufferTexture3D;
diff --git a/progs/demos/Makefile b/progs/demos/Makefile
index c17595ec794..65fdbaaad8e 100644
--- a/progs/demos/Makefile
+++ b/progs/demos/Makefile
@@ -145,6 +145,13 @@ engine.o: engine.c trackball.h
 	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) engine.c
 
 
+fbotexture: fbotexture.o
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) fbotexture.o $(LIBS) -o $@
+
+fbotexture.o: fbotexture.c extfuncs.h
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) fbotexture.c
+
+
 fslight: fslight.o
 	$(APP_CC) $(CFLAGS) $(LDFLAGS) fslight.o $(LIBS) -o $@
 
diff --git a/progs/demos/fbotexture.c b/progs/demos/fbotexture.c
index 50a4b00afce..3b36f755a04 100644
--- a/progs/demos/fbotexture.c
+++ b/progs/demos/fbotexture.c
@@ -9,13 +9,13 @@
  */
 
 
-#include <GL/glew.h>
 #include <GL/glut.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include "extfuncs.h"
 
 /* For debug */
 #define DEPTH 1
@@ -80,9 +80,9 @@ RenderTexture(void)
    glTranslatef(0.0, 0.0, -15.0);
 
    /* draw to texture image */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   glBindFramebuffer_func(GL_FRAMEBUFFER_EXT, MyFB);
 
-   status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+   status = glCheckFramebufferStatus_func(GL_FRAMEBUFFER_EXT);
    if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
       printf("Framebuffer incomplete!!!\n");
    }
@@ -171,7 +171,7 @@ RenderTexture(void)
 
 #if DRAW
    /* Bind normal framebuffer */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   glBindFramebuffer_func(GL_FRAMEBUFFER_EXT, 0);
 #endif
 
    CheckError(__LINE__);
@@ -252,12 +252,12 @@ static void
 CleanUp(void)
 {
 #if DEPTH
-   glDeleteRenderbuffersEXT(1, &DepthRB);
+   glDeleteRenderbuffers_func(1, &DepthRB);
 #endif
 #if STENCIL
-   glDeleteRenderbuffersEXT(1, &StencilRB);
+   glDeleteRenderbuffers_func(1, &StencilRB);
 #endif
-   glDeleteFramebuffersEXT(1, &MyFB);
+   glDeleteFramebuffers_func(1, &MyFB);
 
    glDeleteTextures(1, &TexObj);
 
@@ -318,14 +318,14 @@ AttachDepthAndStencilBuffers(GLuint fbo,
 
    *depthRbOut = *stencilRbOut = 0;
 
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
+   glBindFramebuffer_func(GL_FRAMEBUFFER_EXT, fbo);
 
    if (tryDepthStencil) {
       GLuint rb;
 
-      glGenRenderbuffersEXT(1, &rb);
-      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rb);
-      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
+      glGenRenderbuffers_func(1, &rb);
+      glBindRenderbuffer_func(GL_RENDERBUFFER_EXT, rb);
+      glRenderbufferStorage_func(GL_RENDERBUFFER_EXT,
                                GL_DEPTH24_STENCIL8_EXT,
                                width, height);
       if (glGetError())
@@ -333,7 +333,7 @@ AttachDepthAndStencilBuffers(GLuint fbo,
 
       if (bindDepthStencil) {
          /* attach to both depth and stencil at once */
-         glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+         glFramebufferRenderbuffer_func(GL_FRAMEBUFFER_EXT,
                                       GL_DEPTH_STENCIL_ATTACHMENT,
                                       GL_RENDERBUFFER_EXT, rb);
          if (glGetError())
@@ -341,21 +341,21 @@ AttachDepthAndStencilBuffers(GLuint fbo,
       }
       else {
          /* attach to depth attachment point */
-         glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+         glFramebufferRenderbuffer_func(GL_FRAMEBUFFER_EXT,
                                       GL_DEPTH_ATTACHMENT_EXT,
                                       GL_RENDERBUFFER_EXT, rb);
          if (glGetError())
             return GL_FALSE;
 
          /* and attach to stencil attachment point */
-         glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+         glFramebufferRenderbuffer_func(GL_FRAMEBUFFER_EXT,
                                       GL_STENCIL_ATTACHMENT_EXT,
                                       GL_RENDERBUFFER_EXT, rb);
          if (glGetError())
             return GL_FALSE;
       }
 
-      status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+      status = glCheckFramebufferStatus_func(GL_FRAMEBUFFER_EXT);
       if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
          return GL_FALSE;
 
@@ -367,22 +367,22 @@ AttachDepthAndStencilBuffers(GLuint fbo,
    {
       GLuint rb;
 
-      glGenRenderbuffersEXT(1, &rb);
-      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rb);
-      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
+      glGenRenderbuffers_func(1, &rb);
+      glBindRenderbuffer_func(GL_RENDERBUFFER_EXT, rb);
+      glRenderbufferStorage_func(GL_RENDERBUFFER_EXT,
                                GL_DEPTH_COMPONENT,
                                width, height);
       if (glGetError())
          return GL_FALSE;
 
       /* attach to depth attachment point */
-      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+      glFramebufferRenderbuffer_func(GL_FRAMEBUFFER_EXT,
                                    GL_DEPTH_ATTACHMENT_EXT,
                                    GL_RENDERBUFFER_EXT, rb);
       if (glGetError())
          return GL_FALSE;
 
-      status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+      status = glCheckFramebufferStatus_func(GL_FRAMEBUFFER_EXT);
       if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
          return GL_FALSE;
 
@@ -393,26 +393,26 @@ AttachDepthAndStencilBuffers(GLuint fbo,
    {
       GLuint rb;
 
-      glGenRenderbuffersEXT(1, &rb);
-      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rb);
-      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
+      glGenRenderbuffers_func(1, &rb);
+      glBindRenderbuffer_func(GL_RENDERBUFFER_EXT, rb);
+      glRenderbufferStorage_func(GL_RENDERBUFFER_EXT,
                                GL_STENCIL_INDEX,
                                width, height);
       if (glGetError())
          return GL_FALSE;
 
       /* attach to depth attachment point */
-      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+      glFramebufferRenderbuffer_func(GL_FRAMEBUFFER_EXT,
                                    GL_STENCIL_ATTACHMENT_EXT,
                                    GL_RENDERBUFFER_EXT, rb);
       if (glGetError())
          return GL_FALSE;
 
-      status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+      status = glCheckFramebufferStatus_func(GL_FRAMEBUFFER_EXT);
       if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
-         glDeleteRenderbuffersEXT(1, depthRbOut);
+         glDeleteRenderbuffers_func(1, depthRbOut);
          *depthRbOut = 0;
-         glDeleteRenderbuffersEXT(1, &rb);
+         glDeleteRenderbuffers_func(1, &rb);
          return GL_FALSE;
       }
 
@@ -463,6 +463,37 @@ ParseArgs(int argc, char *argv[])
 }
 
 
+static void
+SetupFunctionPointers(void)
+{
+   GetExtensionFuncs();
+
+   if (Use_ARB_fbo) {
+      /* no-op: use the ARB functions as-is */
+   }
+   else {
+      /* set the ARB-flavor function pointers to point to the EXT functions */
+      glIsRenderbuffer_func = glIsRenderbufferEXT_func;
+      glBindRenderbuffer_func = glBindRenderbufferEXT_func;
+      glDeleteRenderbuffers_func = glDeleteRenderbuffersEXT_func;
+      glGenRenderbuffers_func = glGenRenderbuffersEXT_func;
+      glRenderbufferStorage_func = glRenderbufferStorageEXT_func;
+      glGetRenderbufferParameteriv_func = glGetRenderbufferParameterivEXT_func;
+      glIsFramebuffer_func = glIsFramebufferEXT_func;
+      glBindFramebuffer_func = glBindFramebufferEXT_func;
+      glDeleteFramebuffers_func = glDeleteFramebuffersEXT_func;
+      glGenFramebuffers_func = glGenFramebuffersEXT_func;
+      glCheckFramebufferStatus_func = glCheckFramebufferStatusEXT_func;
+      glFramebufferTexture1D_func = glFramebufferTexture1DEXT_func;
+      glFramebufferTexture2D_func = glFramebufferTexture2DEXT_func;
+      glFramebufferTexture3D_func = glFramebufferTexture3DEXT_func;
+      glFramebufferRenderbuffer_func = glFramebufferRenderbufferEXT_func;
+      glGetFramebufferAttachmentParameteriv_func = glGetFramebufferAttachmentParameterivEXT_func;
+      glGenerateMipmap_func = glGenerateMipmapEXT_func;
+   }
+}
+
+
 /*
  * Make FBO to render into given texture.
  */
@@ -472,10 +503,10 @@ MakeFBO_RenderTexture(GLuint TexObj)
    GLuint fb;
    GLint sizeFudge = 0;
 
-   glGenFramebuffersEXT(1, &fb);
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
+   glGenFramebuffers_func(1, &fb);
+   glBindFramebuffer_func(GL_FRAMEBUFFER_EXT, fb);
    /* Render color to texture */
-   glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+   glFramebufferTexture2D_func(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
                              TexTarget, TexObj, TextureLevel);
 
    if (Use_ARB_fbo) {
@@ -512,26 +543,26 @@ MakeFBO_RenderTexture(GLuint TexObj)
    {
       GLint bits, w, h;
 
-      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, DepthRB);
-      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+      glBindRenderbuffer_func(GL_RENDERBUFFER_EXT, DepthRB);
+      glGetRenderbufferParameteriv_func(GL_RENDERBUFFER_EXT,
                                       GL_RENDERBUFFER_WIDTH_EXT, &w);
-      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+      glGetRenderbufferParameteriv_func(GL_RENDERBUFFER_EXT,
                                       GL_RENDERBUFFER_HEIGHT_EXT, &h);
       printf("Color/Texture size: %d x %d\n", TexWidth, TexHeight);
       printf("Depth buffer size: %d x %d\n", w, h);
 
-      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+      glGetRenderbufferParameteriv_func(GL_RENDERBUFFER_EXT,
                                       GL_RENDERBUFFER_DEPTH_SIZE_EXT, &bits);
       printf("Depth renderbuffer size = %d bits\n", bits);
 
-      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, StencilRB);
-      glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
+      glBindRenderbuffer_func(GL_RENDERBUFFER_EXT, StencilRB);
+      glGetRenderbufferParameteriv_func(GL_RENDERBUFFER_EXT,
                                       GL_RENDERBUFFER_STENCIL_SIZE_EXT, &bits);
       printf("Stencil renderbuffer size = %d bits\n", bits);
    }
 
    /* bind the regular framebuffer */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   glBindFramebuffer_func(GL_FRAMEBUFFER_EXT, 0);
 
    return fb;
 }
@@ -547,6 +578,8 @@ Init(void)
 
    printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
 
+   SetupFunctionPointers();
+
    /* lighting */
    {
       static const GLfloat mat[4] = { 1.0, 0.5, 0.5, 1.0 };
@@ -605,7 +638,6 @@ main(int argc, char *argv[])
    glutInitWindowSize(Width, Height);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
    Win = glutCreateWindow(argv[0]);
-   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Display);
diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index 41a13cc9f46..f0d76a4a06f 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -583,10 +583,14 @@ ParseOptions(int argc, char *argv[])
    int i;
    for (i = 1; i < argc; i++) {
       if (strcmp(argv[i], "-fs") == 0) {
-         FragProgFile = argv[i+1];
+         FragProgFile = argv[++i];
       }
       else if (strcmp(argv[i], "-vs") == 0) {
-         VertProgFile = argv[i+1];
+         VertProgFile = argv[++i];
+      }
+      else {
+         fprintf(stderr, "unknown option %s\n", argv[i]);
+         break;
       }
    }
 }
diff --git a/progs/fp/SConscript b/progs/fp/SConscript
deleted file mode 100644
index 553799758b0..00000000000
--- a/progs/fp/SConscript
+++ /dev/null
@@ -1,17 +0,0 @@
-Import('env')
-
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
-
-env.Program(
-        target = 'fp-tri',
-        source = ['fp-tri.c'],
-    )
diff --git a/progs/fp/abs.txt b/progs/fp/abs.txt
deleted file mode 100644
index 61ef952b053..00000000000
--- a/progs/fp/abs.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-SUB R0, {0.5}.x, fragment.color;
-ABS result.color, R0;
-END
diff --git a/progs/fp/add-swz.txt b/progs/fp/add-swz.txt
deleted file mode 100644
index 5ec51bcb84a..00000000000
--- a/progs/fp/add-swz.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-ADD R0, fragment.color, fragment.color;
-ADD result.color, R0.xxxx, R0;
-END
diff --git a/progs/fp/add.txt b/progs/fp/add.txt
deleted file mode 100644
index 031076df0fc..00000000000
--- a/progs/fp/add.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-ADD R0, fragment.color, fragment.color;
-ADD result.color, R0, R0;
-END
diff --git a/progs/fp/cmp.txt b/progs/fp/cmp.txt
deleted file mode 100644
index 78451609a3f..00000000000
--- a/progs/fp/cmp.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-SUB R0, {0.5}.x, fragment.color;
-CMP result.color, R0, fragment.color, {0.0}.x;
-END
diff --git a/progs/fp/cos.txt b/progs/fp/cos.txt
deleted file mode 100644
index d51b13b63a7..00000000000
--- a/progs/fp/cos.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.color, {3.14}.x;
-COS result.color.x, R0.x;
-COS result.color.y, R0.y;
-COS result.color.z, R0.z;
-END
-
diff --git a/progs/fp/dp3.txt b/progs/fp/dp3.txt
deleted file mode 100644
index 75532f88a70..00000000000
--- a/progs/fp/dp3.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-DP3 result.color, fragment.color, fragment.color;
-END
diff --git a/progs/fp/dp4.txt b/progs/fp/dp4.txt
deleted file mode 100644
index 8d09c8dbf67..00000000000
--- a/progs/fp/dp4.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-DP4 result.color, fragment.color.xxxx, fragment.color;
-END
diff --git a/progs/fp/dph.txt b/progs/fp/dph.txt
deleted file mode 100644
index 6eb59a410d7..00000000000
--- a/progs/fp/dph.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-DPH result.color, fragment.color, fragment.color.xyzx;
-END
diff --git a/progs/fp/dst.txt b/progs/fp/dst.txt
deleted file mode 100644
index 6ebabbd5ea6..00000000000
--- a/progs/fp/dst.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-DST result.color, fragment.color, fragment.color;
-END
diff --git a/progs/fp/ex2.txt b/progs/fp/ex2.txt
deleted file mode 100644
index b540f7b1929..00000000000
--- a/progs/fp/ex2.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-EX2 R0, fragment.color.x;
-SUB result.color, R0, {1.0}.x;
-END
diff --git a/progs/fp/flr.txt b/progs/fp/flr.txt
deleted file mode 100644
index c3479c7bd5e..00000000000
--- a/progs/fp/flr.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-ADD R0, fragment.color, {0.5}.x;
-FLR result.color,  R0;
-END
diff --git a/progs/fp/fp-tri.c b/progs/fp/fp-tri.c
deleted file mode 100644
index 6c15540d38d..00000000000
--- a/progs/fp/fp-tri.c
+++ /dev/null
@@ -1,256 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#ifndef WIN32
-#include <unistd.h>
-#include <signal.h>
-#endif
-
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-#include "readtex.c"
-
-
-#define TEXTURE_FILE "../images/bw.rgb"
-
-unsigned show_fps = 0;
-unsigned int frame_cnt = 0;
-void alarmhandler(int);
-static const char *filename = NULL;
-
-static void usage(char *name)
-{
-   fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
-#ifndef WIN32
-   fprintf(stderr, "\n" );
-   fprintf(stderr, "options:\n");
-   fprintf(stderr, "    -fps  show frames per second\n");
-#endif
-}
-
-#ifndef WIN32
-void alarmhandler (int sig)
-{
-   if (sig == SIGALRM) {
-      printf("%d frames in 5.0 seconds = %.3f FPS\n", frame_cnt,
-             frame_cnt / 5.0);
-
-      frame_cnt = 0;
-   }
-   signal(SIGALRM, alarmhandler);
-   alarm(5);
-}
-#endif
-
-static void args(int argc, char *argv[])
-{
-   GLint i;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-fps") == 0) {
-         show_fps = 1;
-      }
-      else if (i == argc - 1) {
-	 filename = argv[i];
-      }
-      else {
-	 usage(argv[0]);
-	 exit(1);
-      }
-   }
-
-   if (!filename) {
-      usage(argv[0]);
-      exit(1);
-   }
-}
-
-static void Init( void )
-{
-   GLuint Texture;
-   GLint errno;
-   GLuint prognum;
-   char buf[4096];
-   GLuint sz;
-   FILE *f;
-
-   if ((f = fopen(filename, "r")) == NULL) {
-      fprintf(stderr, "Couldn't open %s\n", filename);
-      exit(1);
-   }
-
-   sz = fread(buf, 1, sizeof(buf), f);
-   if (!feof(f)) {
-      fprintf(stderr, "file too long\n");
-      exit(1);
-   }
-   fprintf(stderr, "%.*s\n", sz, buf);
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &prognum);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, prognum);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                      sz, (const GLubyte *)buf);
-
-   errno = glGetError();
-   printf("glGetError = 0x%x\n", errno);
-   if (errno != GL_NO_ERROR) {
-      GLint errorpos;
-
-      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
-      printf("errorpos: %d\n", errorpos);
-      printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-             (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-   }
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-
-   /* Load texture */
-   glGenTextures(1, &Texture);
-   glBindTexture(GL_TEXTURE_2D, Texture);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-   if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
-      printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE);
-      exit(1);
-   }
-
-
-   glGenTextures(1, &Texture);
-   glActiveTextureARB(GL_TEXTURE0_ARB + 1);
-   glBindTexture(GL_TEXTURE_2D, Texture);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-
-   {
-      GLubyte data[32][32];
-      int width = 32;
-      int height = 32;
-      int i;
-      int j;
-
-      for (i = 0; i < 32; i++)
-         for (j = 0; j < 32; j++)
-	 {
-	    /**
-	     ** +-----------+
-	     ** |     W     |
-	     ** |  +-----+  |
-	     ** |  |     |  |
-	     ** |  |  B  |  |
-	     ** |  |     |  |
-	     ** |  +-----+  |
-	     ** |           |
-	     ** +-----------+
-	     **/
-	    int i2 = i - height / 2;
-	    int j2 = j - width / 2;
-	    int h8 = height / 8;
-	    int w8 = width / 8;
-	    if ( -h8 <= i2 && i2 <= h8 && -w8 <= j2 && j2 <= w8 ) {
-	       data[i][j] = 0x00;
-	    } else if ( -2 * h8 <= i2 && i2 <= 2 * h8 && -2 * w8 <= j2 && j2 <= 2 * w8 ) {
-	       data[i][j] = 0x55;
-	    } else if ( -3 * h8 <= i2 && i2 <= 3 * h8 && -3 * w8 <= j2 && j2 <= 3 * w8 ) {
-	       data[i][j] = 0xaa;
-	    } else {
-	       data[i][j] = 0xff;
-	    }
-	 }
-
-      glTexImage2D( GL_TEXTURE_2D, 0,
-                    GL_ALPHA8,
-                    32, 32, 0,
-                    GL_ALPHA, GL_UNSIGNED_BYTE, data );
-   }
-
-
-   glClearColor(.1, .3, .5, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Display(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 0, 1.0, 1.0, 0.0, 0.0);
-   glProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 1, 0.0, 0.0, 1.0, 1.0);
-   glBegin(GL_TRIANGLES);
-
-   glColor3f(0,0,1);
-   glTexCoord3f(1,1,0);
-   glVertex3f( 0.9, -0.9, -30.0);
-
-   glColor3f(1,0,0);
-   glTexCoord3f(1,-1,0);
-   glVertex3f( 0.9,  0.9, -30.0);
-
-   glColor3f(0,1,0);
-   glTexCoord3f(-1,0,0);
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-   if (show_fps) {
-      ++frame_cnt;
-      glutPostRedisplay();
-   }
-}
-
-
-int main(int argc, char **argv)
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(250, 250);
-   glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH);
-   args(argc, argv);
-   glutCreateWindow(filename);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Display);
-   Init();
-#ifndef WIN32
-   if (show_fps) {
-      signal(SIGALRM, alarmhandler);
-      alarm(5);
-   }
-#endif
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/fp/frc.txt b/progs/fp/frc.txt
deleted file mode 100644
index efacaa8f927..00000000000
--- a/progs/fp/frc.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.color, {3.0}.x;
-FRC result.color, R0;
-END
diff --git a/progs/fp/kil-pos.txt b/progs/fp/kil-pos.txt
deleted file mode 100644
index 5ff4f6f2c84..00000000000
--- a/progs/fp/kil-pos.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-SUB R0.xy, fragment.position, {125}.x;
-MOV R0.zw, {0}.x;
-DP3 R0, R0, R0;
-SUB R0.x, R0, {10000}.x;
-KIL -R0.x;
-MOV result.color, fragment.color;
-END
diff --git a/progs/fp/kil-texcoord-sgt.txt b/progs/fp/kil-texcoord-sgt.txt
deleted file mode 100644
index c74fd10dacb..00000000000
--- a/progs/fp/kil-texcoord-sgt.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0.xy, fragment.texcoord[0], fragment.texcoord[0];
-ADD R0.x, R0.x, R0.y;
-SGE R0.y, R0.x, fragment.texcoord[0].w;
-KIL -R0.y;
-MOV result.color, fragment.color;
-END
diff --git a/progs/fp/kil.txt b/progs/fp/kil.txt
deleted file mode 100644
index d95deb0a9e9..00000000000
--- a/progs/fp/kil.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-SUB R0, fragment.color, {0.5,0,0,0};
-KIL R0;
-MOV result.color, R0;
-END
diff --git a/progs/fp/lg2.txt b/progs/fp/lg2.txt
deleted file mode 100644
index 6707d7cb6d5..00000000000
--- a/progs/fp/lg2.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.color, {4.0}.x;
-LG2 result.color, R0.x;
-END
diff --git a/progs/fp/lit.txt b/progs/fp/lit.txt
deleted file mode 100644
index 333c50d3cca..00000000000
--- a/progs/fp/lit.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-SUB R0, {0.5}.x, fragment.color;
-LIT result.color, R0;
-END
diff --git a/progs/fp/local.txt b/progs/fp/local.txt
deleted file mode 100644
index 6cb2a2f13cc..00000000000
--- a/progs/fp/local.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-PARAM c[4] = { { 0, 0, 0, 0 },
-               program.local[0..1],
-               { 1, 1, 1, 1 } };
-MOV R0, c[1];
-SUB R0, R0, c[0];
-ADD R0, R0, c[2];
-MUL R0, R0, c[3];
-MOV result.color, R0;
-END
diff --git a/progs/fp/lrp.txt b/progs/fp/lrp.txt
deleted file mode 100644
index 56cb5f51528..00000000000
--- a/progs/fp/lrp.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0, R1;
-LRP result.color, fragment.color.z, {1,0,0,1}, {0,1,0,1};
-END
diff --git a/progs/fp/mad.txt b/progs/fp/mad.txt
deleted file mode 100644
index 77ffac49cf1..00000000000
--- a/progs/fp/mad.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0, R1;
-MAD result.color, fragment.color.z, {1,0,0,1}, fragment.color;
-END
diff --git a/progs/fp/max.txt b/progs/fp/max.txt
deleted file mode 100644
index 0f3bffd6a50..00000000000
--- a/progs/fp/max.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-MAX result.color, {0.5}.x, fragment.color;
-END
diff --git a/progs/fp/min.txt b/progs/fp/min.txt
deleted file mode 100644
index 06d8f911c37..00000000000
--- a/progs/fp/min.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-MIN result.color, {0.5}.x, fragment.color;
-END
diff --git a/progs/fp/mov.txt b/progs/fp/mov.txt
deleted file mode 100644
index 4c67baec5e5..00000000000
--- a/progs/fp/mov.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-MOV result.color, fragment.color;
-END
diff --git a/progs/fp/mul-swz.txt b/progs/fp/mul-swz.txt
deleted file mode 100644
index 7ef2f58633f..00000000000
--- a/progs/fp/mul-swz.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-MUL result.color, fragment.color.zyxw, fragment.color;
-END
diff --git a/progs/fp/mul.txt b/progs/fp/mul.txt
deleted file mode 100644
index 907155de783..00000000000
--- a/progs/fp/mul.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-MUL result.color, fragment.color, fragment.color;
-END
diff --git a/progs/fp/negate.txt b/progs/fp/negate.txt
deleted file mode 100644
index 3d00a04a587..00000000000
--- a/progs/fp/negate.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-!!ARBfp1.0
-# this should result in fragment color passing through unchanged
-TEMP R0;
-ADD R0, fragment.color, fragment.color;
-ADD result.color, R0, -fragment.color;
-END
diff --git a/progs/fp/position.txt b/progs/fp/position.txt
deleted file mode 100644
index 1875897d781..00000000000
--- a/progs/fp/position.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-MOV result.color, {0}.x;
-MUL result.color.xy, fragment.position, {.005}.x;
-END
diff --git a/progs/fp/pow.txt b/progs/fp/pow.txt
deleted file mode 100644
index 35c738556ea..00000000000
--- a/progs/fp/pow.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-POW result.color,  fragment.color.x, fragment.color.y;
-END
diff --git a/progs/fp/rcp.txt b/progs/fp/rcp.txt
deleted file mode 100644
index 122161c49e5..00000000000
--- a/progs/fp/rcp.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-ADD R0, fragment.color.x, fragment.color.x;
-RCP result.color, R0.x;
-END
diff --git a/progs/fp/rsq.txt b/progs/fp/rsq.txt
deleted file mode 100644
index b28de4bdb6c..00000000000
--- a/progs/fp/rsq.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.color, {3.0}.x;
-RSQ result.color, R0.x;
-END
diff --git a/progs/fp/run.sh b/progs/fp/run.sh
deleted file mode 100755
index 480f8108a35..00000000000
--- a/progs/fp/run.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh
-
-for i in *.txt ; do
-echo $i
-./fp-tri $i
-done
-
diff --git a/progs/fp/scs.txt b/progs/fp/scs.txt
deleted file mode 100644
index 5a8c9f16e9e..00000000000
--- a/progs/fp/scs.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.color, {3.14}.x;
-SCS result.color, R0.x;
-END
diff --git a/progs/fp/sge.txt b/progs/fp/sge.txt
deleted file mode 100644
index 53856924676..00000000000
--- a/progs/fp/sge.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-SGE result.color, {0.5}.x, fragment.color;
-END
diff --git a/progs/fp/sge2.txt b/progs/fp/sge2.txt
deleted file mode 100644
index e02a50d4772..00000000000
--- a/progs/fp/sge2.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-TEMP R1;
-SGE R0, fragment.color, fragment.color.yzxw;
-SGE R1, fragment.color, fragment.color.zxyw;
-MUL R0, R0, R1;
-MUL result.color, R0, fragment.color;
-END
diff --git a/progs/fp/sin.txt b/progs/fp/sin.txt
deleted file mode 100644
index 4a8cdb69f98..00000000000
--- a/progs/fp/sin.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.color, {3.14}.x;
-MOV result.color, {0.0}.x;
-SIN result.color.x, R0.x;
-SIN result.color.y, R0.y;
-SIN result.color.z, R0.z;
-END
diff --git a/progs/fp/slt.txt b/progs/fp/slt.txt
deleted file mode 100644
index a3b3ff5656a..00000000000
--- a/progs/fp/slt.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-SLT result.color, {0.5}.x, fragment.color;
-END
diff --git a/progs/fp/sub.txt b/progs/fp/sub.txt
deleted file mode 100644
index b4e5cc0e9f8..00000000000
--- a/progs/fp/sub.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-SUB result.color, fragment.color.yzxw, fragment.color;
-END
diff --git a/progs/fp/swz.txt b/progs/fp/swz.txt
deleted file mode 100644
index e28f112b14e..00000000000
--- a/progs/fp/swz.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-SWZ result.color, fragment.color, 1,x,y,z;
-END
diff --git a/progs/fp/swz2.txt b/progs/fp/swz2.txt
deleted file mode 100644
index 5c12b848154..00000000000
--- a/progs/fp/swz2.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-!!ARBfp1.0
-TEMP R0, R1;
-SWZ result.color, fragment.color, 1, 0, 0, 1;
-END
diff --git a/progs/fp/swz3.txt b/progs/fp/swz3.txt
deleted file mode 100644
index 382f5880d3c..00000000000
--- a/progs/fp/swz3.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-!!ARBfp1.0
-TEMP R0, R1;
-MOV R0, -fragment.color;
-SWZ result.color, R0, -y, -x, z, 1;
-END
diff --git a/progs/fp/tex-pos-kil-1.txt b/progs/fp/tex-pos-kil-1.txt
deleted file mode 100644
index 3f01e79ffe7..00000000000
--- a/progs/fp/tex-pos-kil-1.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.position, {0.03125}.x;
-TEX R0, R0, texture[1], 2D;
-KIL -R0;
-MOV result.color, fragment.color;
-END
diff --git a/progs/fp/tex-pos-kil.txt b/progs/fp/tex-pos-kil.txt
deleted file mode 100644
index b7aaa9f7c88..00000000000
--- a/progs/fp/tex-pos-kil.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MUL R0, fragment.position, {0.008}.x;
-TEX R0, R0, texture[0], 2D;
-SUB R0, R0, {0.25}.x;
-KIL R0.xyzz;
-MOV result.color, fragment.color;
-END
diff --git a/progs/fp/tex-pos.txt b/progs/fp/tex-pos.txt
deleted file mode 100644
index b969f423f57..00000000000
--- a/progs/fp/tex-pos.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-!!ARBfp1.0
-TEMP R0;
-MOV R0, {0.0}.x;
-MUL R0.xy, fragment.position, {0.008}.x;
-TEX result.color, R0, texture[0], 2D;
-END
diff --git a/progs/fp/tex.txt b/progs/fp/tex.txt
deleted file mode 100644
index b3a885d9e07..00000000000
--- a/progs/fp/tex.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-TEX result.color, fragment.color, texture[0], 2D;
-END
diff --git a/progs/fp/xpd.txt b/progs/fp/xpd.txt
deleted file mode 100644
index d8dc08dcf7f..00000000000
--- a/progs/fp/xpd.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-!!ARBfp1.0
-XPD result.color, fragment.color, {2,2,2,0};
-END
diff --git a/progs/tests/SConscript b/progs/tests/SConscript
deleted file mode 100644
index 453fcecd9c1..00000000000
--- a/progs/tests/SConscript
+++ /dev/null
@@ -1,137 +0,0 @@
-Import('*')
-
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
-linux_progs = [
-    'api_speed',
-]
-
-glx_progs = [
-    'auxbuffer',
-    'getprocaddress',
-    'jkrahntest',
-    'sharedtex',
-    'texcompress2',
-    'texobjshare',
-]
-
-mesa_progs = [
-    'debugger',
-]
-
-progs = [
-    'afsmultiarb',
-    'antialias',
-    'arbfpspec',
-    'arbfptest1',
-    'arbfptexture',
-    'arbfptrig',
-    'arbnpot',
-    'arbnpot-mipmap',
-    'arbvptest1',
-    'arbvptest3',
-    'arbvptorus',
-    'arbvpwarpmesh',
-    'arraytexture',
-    'blendminmax',
-    'blendsquare',
-    'blendxor',
-    'bufferobj',
-    'bug_3050',
-    'bug_3101',
-    'bug_3195',
-    'bug_texstore_i8',
-    'calibrate_rast',
-    'copypixrate',
-    'crossbar',
-    'cva',
-    'drawbuffers',
-    'exactrast',
-    'ext422square',
-    'fbotest1',
-    'fbotest2',
-    'fillrate',
-    'floattex',
-    'fog',
-    'fogcoord',
-    'fptest1',
-    'fptexture',
-    'glutfx',
-    'interleave',
-    'invert',
-    'lineclip',
-    'manytex',
-    'mapbufrange',
-    'mapvbo',
-    'minmag',
-    'mipgen',
-    'mipmap_comp',
-    'mipmap_limits',
-    'mipmap_view',
-    'multipal',
-    'multitexarray',
-    'multiwindow',
-    'no_s3tc',
-    'packedpixels',
-    'pbo',
-    'prog_parameter',
-    'quads',
-    'random',
-    'readrate',
-    'rubberband',
-    'seccolor',
-    'shader_api',
-    'stencil_twoside',
-    'stencil_wrap',
-    'stencilwrap',
-    'streaming_rect',
-    'subtex',
-    'subtexrate',
-    'tex1d',
-    'texcmp',
-    'texcompress2',
-    'texdown',
-    'texfilt',
-    'texgenmix',
-    'texline',
-    'texobj',
-    'texrect',
-    'texwrap',
-    'unfilledclip',
-    'vao-01',
-    'vao-02',
-    'vparray',
-    'vpeval',
-    'vptest1',
-    'vptest2',
-    'vptest3',
-    'vptorus',
-    'vpwarpmesh',
-    'yuvrect',
-    'yuvsquare',
-    'zcomp',
-    'zdrawpix',
-    'zreaddraw',
-]
-
-for prog in progs:
-    env.Program(
-        target = prog,
-        source = prog + '.c',
-    )
diff --git a/progs/tests/bug_texstore_i8.c b/progs/tests/bug_texstore_i8.c
deleted file mode 100644
index 10e5eba7c5e..00000000000
--- a/progs/tests/bug_texstore_i8.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
- * ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/*
- * Based on the trivial/quad-tex-2d program.
- * Modified by Jakob Bornecrantz <[email protected]>
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-static GLenum Target = GL_TEXTURE_2D;
-static GLenum Filter = GL_NEAREST;
-GLenum doubleBuffer;
-static float Rot = 0;
-static int win = 0;
-
-static void Init(void)
-{
-	int internalFormat;
-	int sourceFormat;
-
-	fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-	fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-	fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-
-	glClearColor(0.0, 0.0, 1.0, 0.0);
-
-#define SIZE 16
-	{
-		GLubyte tex2d[SIZE][SIZE][4];
-		GLint s, t;
-
-		for (s = 0; s < SIZE; s++) {
-			for (t = 0; t < SIZE; t++) {
-				tex2d[t][s][0] = 0xff;
-				tex2d[t][s][1] = 0xff;
-				tex2d[t][s][2] = 0xff;
-				tex2d[t][s][3] = 0xff;
-			}
-		}
-
-		internalFormat = GL_LUMINANCE8;
-		sourceFormat = GL_RGBA;
-
-		glTexImage2D(Target,
-			0,
-			internalFormat,
-			SIZE, SIZE,
-			0,
-			sourceFormat,
-			GL_UNSIGNED_BYTE,
-			//GL_UNSIGNED_INT,
-			tex2d);
-
-		glEnable(Target);
-		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-		glTexParameterf(Target, GL_TEXTURE_WRAP_R, GL_REPEAT);
-		glTexParameterf(Target, GL_TEXTURE_MIN_FILTER, Filter);
-		glTexParameterf(Target, GL_TEXTURE_MAG_FILTER, Filter);
-	}
-}
-
-static void Reshape(int width, int height)
-{
-	glViewport(0, 0, (GLint)width, (GLint)height);
-	glMatrixMode(GL_PROJECTION);
-	glLoadIdentity();
-#if 0
-	glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-#else
-	glFrustum(-1, 1, -1, 1, 10, 20);
-#endif
-	glMatrixMode(GL_MODELVIEW);
-	glLoadIdentity();
-	glTranslatef(0, 0, -15);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-	switch (key) {
-	case 'r':
-		Rot += 10.0;
-		break;
-	case 'R':
-		Rot -= 10.0;
-		break;
-	case 27:
-		glutDestroyWindow(win);
-		exit(0);
-	default:
-		return;
-	}
-	glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-	glClear(GL_COLOR_BUFFER_BIT);
-
-	glPushMatrix();
-	glRotatef(Rot, 0, 1, 0);
-
-	glBegin(GL_QUADS);
-	glTexCoord2f(1,0);
-	glVertex3f( 0.9, -0.9, 0.0);
-	glTexCoord2f(1,1);
-	glVertex3f( 0.9,  0.9, 0.0);
-	glTexCoord2f(0,1);
-	glVertex3f(-0.9,  0.9, 0.0);
-	glTexCoord2f(0,0);
-	glVertex3f(-0.9,  -0.9, 0.0);
-	glEnd();
-
-	glPopMatrix();
-
-	glFlush();
-
-	if (doubleBuffer) {
-		glutSwapBuffers();
-	}
-}
-
-static GLenum Args(int argc, char **argv)
-{
-	GLint i;
-
-	doubleBuffer = GL_FALSE;
-
-	for (i = 1; i < argc; i++) {
-		if (strcmp(argv[i], "-sb") == 0) {
-			doubleBuffer = GL_FALSE;
-		} else if (strcmp(argv[i], "-db") == 0) {
-			doubleBuffer = GL_TRUE;
-		} else {
-			fprintf(stderr, "%s (Bad option).\n", argv[i]);
-			return GL_FALSE;
-		}
-	}
-	return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
-	GLenum type;
-
-	glutInit(&argc, argv);
-
-	if (Args(argc, argv) == GL_FALSE) {
-		exit(1);
-	}
-
-	glutInitWindowPosition(0, 0);
-	glutInitWindowSize(250, 250);
-
-	type = GLUT_RGB;
-	type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
-	glutInitDisplayMode(type);
-
-	win = glutCreateWindow("Tex test");
-        glewInit();
-	if (!win) {
-		exit(1);
-	}
-
-	Init();
-
-	glutReshapeFunc(Reshape);
-	glutKeyboardFunc(Key);
-	glutDisplayFunc(Draw);
-	glutMainLoop();
-	return 0;
-}
diff --git a/progs/tests/bumpmap.c b/progs/tests/bumpmap.c
deleted file mode 100644
index 1b7ec2c135c..00000000000
--- a/progs/tests/bumpmap.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright (c) 2009 VMware, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * Simple test for testing ATI_envmap_bumpmap support.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <GL/glut.h>
-
-#include "readtex.h"
-
-static PFNGLGETTEXBUMPPARAMETERFVATIPROC glGetTexBumpParameterfvATI_func = NULL;
-static PFNGLGETTEXBUMPPARAMETERIVATIPROC glGetTexBumpParameterivATI_func = NULL;
-static PFNGLTEXBUMPPARAMETERFVATIPROC glTexBumpParameterfvATI_func = NULL;
-
-static const char *TexFile = "../images/arch.rgb";
-
-static const GLfloat Near = 5.0, Far = 25.0;
-
-static void Display( void )
-{
-   /* together with the construction of dudv map, do fixed translation
-      in y direction (up), some cosine deformation in x and more
-      deformation in y dir */
-   GLfloat bumpMatrix[4] = {0.1, 0.0, 0.2, 0.1};
-
-
-   glClearColor(0.2, 0.2, 0.8, 0);
-   glClear( GL_COLOR_BUFFER_BIT );
-
-   glPushMatrix();
-
-   /* this is the base map */
-   glActiveTexture( GL_TEXTURE0 );
-   glEnable( GL_TEXTURE_2D );
-   glBindTexture( GL_TEXTURE_2D, 1 );
-   glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
-   glTexEnvf( GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE );
-   glTexEnvf( GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE );
-
-   /* bump map */
-   glActiveTexture( GL_TEXTURE1 );
-   glEnable( GL_TEXTURE_2D );
-   glBindTexture( GL_TEXTURE_2D, 2 );
-   glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE );
-   glTexEnvf( GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_BUMP_ENVMAP_ATI );
-   glTexEnvf( GL_TEXTURE_ENV, GL_BUMP_TARGET_ATI, GL_TEXTURE0);
-
-   glTexBumpParameterfvATI_func(GL_BUMP_ROT_MATRIX_ATI, bumpMatrix);
-
-   glCallList(1);
-
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-static void Reshape( int width, int height )
-{
-   GLfloat ar = (float) width / (float) height;
-   glViewport( 0, 0, width, height );
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-   glFrustum( -ar, ar, -1.0, 1.0, Near, Far );
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -6.0 );
-}
-
-
-static void Key( unsigned char key, int x, int y )
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 27:
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void Init( void )
-{
-   const char * const ver_string = (const char * const)
-       glGetString( GL_VERSION );
-   GLfloat temp[16][16][2];
-   GLubyte *image = NULL;
-   GLint imgWidth, imgHeight;
-   GLenum imgFormat;
-   GLint i,j;
-   GLint param, paramArray[16];
-   GLfloat paramMat[4];
-
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-   printf("GL_VERSION = %s\n", ver_string);
-
-   if ( !glutExtensionSupported("GL_ATI_envmap_bumpmap")) {
-      printf("\nSorry, this program requires GL_ATI_envmap_bumpmap\n");
-      exit(1);
-   }
-
-   glGetTexBumpParameterfvATI_func = glutGetProcAddress("glGetTexBumpParameterfvATI");
-   glGetTexBumpParameterivATI_func = glutGetProcAddress("glGetTexBumpParameterivATI");
-   glTexBumpParameterfvATI_func = glutGetProcAddress("glTexBumpParameterfvATI");
-
-   glGetTexBumpParameterivATI_func(GL_BUMP_ROT_MATRIX_SIZE_ATI, &param);
-   printf("BUMP_ROT_MATRIX_SIZE_ATI = %d\n", param);
-   glGetTexBumpParameterivATI_func(GL_BUMP_NUM_TEX_UNITS_ATI, &param);
-   printf("BUMP_NUM_TEX_UNITS_ATI = %d\n", param);
-   glGetTexBumpParameterfvATI_func(GL_BUMP_ROT_MATRIX_ATI, paramMat);
-   printf("initial rot matrix %f %f %f %f\n", paramMat[0], paramMat[1], paramMat[2], paramMat[3]);
-   glGetTexBumpParameterivATI_func(GL_BUMP_TEX_UNITS_ATI, paramArray);
-   printf("units supporting bump mapping: ");
-   for (i = 0; i < param; i++)
-      printf("%d ", paramArray[i] - GL_TEXTURE0);
-   printf("\n");
-
-   image = LoadRGBImage(TexFile, &imgWidth, &imgHeight, &imgFormat);
-   if (!image) {
-      printf("Couldn't read %s\n", TexFile);
-      exit(0);
-   }
-
-   glBindTexture( GL_TEXTURE_2D, 1 );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
-   glTexImage2D( GL_TEXTURE_2D, 0, imgFormat, imgWidth, imgHeight, 0,
-		 imgFormat, GL_UNSIGNED_BYTE, image );
-
-   for (j = 0; j < 16; j++) {
-      for (i = 0; i < 16; i++) {
-         temp[j][i][0] = cos((float)(i) * 3.1415 / 16.0);
-         temp[j][i][1] = -0.5;
-      }
-   }
-   glBindTexture( GL_TEXTURE_2D, 2 );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
-   glTexImage2D( GL_TEXTURE_2D, 0, GL_DU8DV8_ATI, 16, 16, 0,
-		 GL_DUDV_ATI, GL_FLOAT, temp );
-
-
-   glNewList( 1, GL_COMPILE );
-   glBegin(GL_QUADS);
-   glColor3f( 0.9, 0.0, 0.0 );
-   glMultiTexCoord2f( GL_TEXTURE0, 0.0, 0.0 );
-   glMultiTexCoord2f( GL_TEXTURE1, 0.0, 0.0 );
-   glVertex2f(-1, -1);
-   glMultiTexCoord2f( GL_TEXTURE0, 1.0, 0.0 );
-   glMultiTexCoord2f( GL_TEXTURE1, 1.0, 0.0 );
-   glVertex2f( 1, -1);
-   glMultiTexCoord2f( GL_TEXTURE0, 1.0, 1.0 );
-   glMultiTexCoord2f( GL_TEXTURE1, 1.0, 1.0 );
-   glVertex2f( 1,  1);
-   glMultiTexCoord2f( GL_TEXTURE0, 0.0, 1.0 );
-   glMultiTexCoord2f( GL_TEXTURE1, 0.0, 1.0 );
-   glVertex2f(-1,  1);
-   glEnd();
-   glEndList();
-}
-
-
-int main( int argc, char *argv[] )
-{
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 400, 400 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-   glutCreateWindow( "GL_ATI_envmap_bumpmap test" );
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutDisplayFunc( Display );
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/calibrate_rast.c b/progs/tests/calibrate_rast.c
deleted file mode 100644
index 5d89ff79c55..00000000000
--- a/progs/tests/calibrate_rast.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Automatic primitive rasterization precision test.
- *
- * Draw prims at various sub-pixel offsets and examine where the quad is
- * actually drawn.
- * Check if the range of offsets which paint the right pixels falls within
- * OpenGL's specification.
- * In case of failures, report the coordinate bias needed to fix the problem.
- *
- * Note that even Mesa/swrast fails some line tests.  This is because some
- * window coordinates wind up as 53.9999 instead of 54, for example.  Enabling
- * the small translation factor below fixes that.  Revisit someday...
- *
- * Brian Paul
- * 28 Feb 2008
- */
-
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-
-static int Width = 100, Height = 100;
-static int Win;
-static float Step = 0.125;
-#if 0
-/* This tiny offset fixes errors in Mesa/Xlib */
-static float Xtrans = 0.5 * 0.125;
-static float Ytrans = 0.5 * 0.125;
-#else
-static float Xtrans = 0.0;
-static float Ytrans = 0.0;
-#endif
-
-
-static void
-PointCalibrate(int xpos, int ypos)
-{
-   GLfloat rgba[4];
-   float x, y;
-   float xmin, ymin, xmax, ymax;
-
-   xmin = ymin = 1000.0;
-   xmax = ymax = -1000.0;
-
-   for (y = -1.0; y <= 1.0; y += Step) {
-      for (x = -1.0; x <= 1.0; x += Step) {
-         glClear(GL_COLOR_BUFFER_BIT);
-         glBegin(GL_POINTS);
-         glVertex2f(xpos + x, ypos + y);
-         glEnd();
-         glReadPixels(xpos, ypos, 1, 1, GL_RGBA, GL_FLOAT, rgba);
-         if (rgba[0] == 1.0 && rgba[1] == 1.0 && rgba[2] == 1.0) {
-            /* hit */
-            if (x < xmin)
-               xmin = x;
-            if (y < ymin)
-               ymin = y;
-            if (x > xmax)
-               xmax = x;
-            if (y > ymax)
-               ymax = y;
-         }
-      }
-   }
-
-   printf("Point at (%2d, %2d) drawn for x in [%6.3f, %6.3f] and y in [%6.3f, %6.3f]\n",
-          xpos, ypos,
-          xpos + xmin, xpos + xmax,
-          ypos + ymin, ypos + ymax);
-
-   if (xmax - xmin != 1.0 - Step) {
-      printf("  => Inconsistant X-axis rasterization!\n");
-   }
-   if (ymax - ymin != 1.0 - Step) {
-      printf("  => Inconsistant Y-axis rasterization!\n");
-   }
-   if (xmin < 0.0) {
-      printf("  => Points should be X biased by about %f\n", xmin);
-   }
-   if (ymin < 0.0) {
-      printf("  => Points should be Y biased by about %f\n", ymin);
-   }
-   if (xmax > 1.0) {
-      printf("  => Points should be X biased by about %f\n", 1.0 - xmax);
-   }
-   if (ymax > 1.0) {
-      printf("  => Points should be Y biased by about %f\n", 1.0 - ymax);
-   }
-
-}
-
-
-/**
- * XXX Implement VLineCalibrate() someday
- */
-static void
-HLineCalibrate(int xpos, int ypos, int len)
-{
-   GLfloat rgba[2][4];
-   float x, y;
-   float ymin, ymax;
-   float xmin_left, xmax_left, xmin_right, xmax_right;
-
-   xmin_left = xmin_right = 1000.0;
-   xmax_left = xmax_right = -1000.0;
-   ymin = 1000;
-   ymax = -1000.0;
-
-   /*
-    * First, check vertical positioning of the horizontal line
-    */
-   for (y = -1.0; y <= 1.0; y += Step) {
-      glClear(GL_COLOR_BUFFER_BIT);
-      glBegin(GL_LINES);
-      glVertex2f(xpos,       ypos + y);
-      glVertex2f(xpos + len, ypos + y);
-      glEnd();
-
-      glReadPixels(xpos + len / 2, ypos, 1, 1, GL_RGBA, GL_FLOAT, rgba);
-      if (rgba[0][0] == 1.0) {
-         /* hit */
-         if (y < ymin)
-            ymin = y;
-         if (y > ymax)
-            ymax = y;
-      }
-   }
-
-   printf("H-line at Y=%2d drawn for y in [%6.3f, %6.3f]\n",
-          ypos,
-          ypos + ymin, ypos + ymax);
-
-   if (ymax - ymin != 1.0 - Step) {
-      printf("  => Inconsistant Y-axis rasterization!\n");
-   }
-
-   if (ymin > 0.5 ) {
-      printf("  => Lines should be Y biased by about %f\n", ymin - 0.5);
-   }
-
-   if (ymax < 0.5 ) {
-      printf("  => Lines should be Y biased by about %f\n", 0.5 - ymax);
-   }
-
-   /*
-    * Second, check endpoints  (for Y at 1/2 pixel)
-    */
-   for (x = -1.0; x <= 1.0; x += Step) {
-      glClear(GL_COLOR_BUFFER_BIT);
-      glBegin(GL_LINES);
-      glVertex2f(xpos + x,       ypos + 0.5f);
-      glVertex2f(xpos + x + len, ypos + 0.5f);
-      glEnd();
-
-      /* left end */
-      glReadPixels(xpos - 1, ypos, 2, 1, GL_RGBA, GL_FLOAT, rgba);
-      if (rgba[0][0] == 0.0 && rgba[1][0] == 1.0) {
-         /* hit */
-         if (x < xmin_left)
-            xmin_left = x;
-         if (x > xmax_left)
-            xmax_left = x;
-      }
-
-      /* right end */
-      glReadPixels(xpos + len - 1, ypos, 2, 1, GL_RGBA, GL_FLOAT, rgba);
-      if (rgba[0][0] == 1.0 && rgba[1][0] == 0.0) {
-         /* hit */
-         if (x < xmin_right)
-            xmin_right = x;
-         if (x > xmax_right)
-            xmax_right = x;
-      }
-   }
-
-   printf("H-line [%d..%d) hit left end for x in [%6.3f, %6.3f] "
-          "hit right end for x in [%6.3f, %6.3f]\n",
-          xpos, xpos + len,
-          xpos + xmin_left, xpos + xmax_left,
-          xpos + len + xmin_right, xpos + len + xmax_right);
-
-   if (xmax_left - xmin_left > 1.0 - Step) {
-      printf("  => Inconsistant left-end rasterization!\n");
-   }
-   if (xmax_right - xmin_right > 1.0 - Step) {
-      printf("  => Inconsistant right-end rasterization!\n");
-   }
-
-   if (xmin_left != xmin_right ||
-       xmax_left != xmax_right) {
-      printf("  => Inconsistant length!\n");
-   }
-
-   if (xmin_left < 0.0) {
-      printf("  => Coords should be X biased by about %f\n", xmin_left );
-   }
-   if (xmin_right < 0.0) {
-      printf("  => Coords should be X biased by about %f\n", xmin_right );
-   }
-   if (xmax_left >= 1.0) {
-      printf("  => Coords should be X biased by about %f\n", -xmax_right + 1.0);
-   }
-   if (xmax_right >= 1.0) {
-      printf("  => Coords should be X biased by about %f\n", -xmax_right + 1.0);
-   }
-
-}
-
-
-static void
-QuadCalibrate(int xpos, int ypos, int width, int height)
-{
-   GLfloat rgba1[2][4];
-   GLfloat rgba2[2][4];
-   float x, y;
-   float xmin, ymin, xmax, ymax;
-
-   xmin = ymin = 1000.0;
-   xmax = ymax = -1000.0;
-
-   for (y = -1.0; y <= 1.0; y += Step) {
-      for (x = -1.0; x <= 1.0; x += Step) {
-         glClear(GL_COLOR_BUFFER_BIT);
-         glBegin(GL_QUADS);
-         glVertex2f(xpos + x,         ypos + y);
-         glVertex2f(xpos + x + width, ypos + y);
-         glVertex2f(xpos + x + width, ypos + y + height);
-         glVertex2f(xpos + x,         ypos + y + height);
-         glEnd();
-
-         /* horizontal measurement */
-         glReadPixels(xpos - 1, ypos + 2, 2, 1, GL_RGBA, GL_FLOAT, rgba1);
-         glReadPixels(xpos + width - 1, ypos + 2, 2, 1, GL_RGBA, GL_FLOAT, rgba2);
-         if (rgba1[0][0] == 0.0 && rgba1[1][0] == 1.0 &&
-             rgba2[0][0] == 1.0 && rgba2[1][0] == 0.0) {
-            if (x < xmin)
-               xmin = x;
-            if (x > xmax)
-               xmax = x;
-         }
-
-         /* vertical measurement */
-         glReadPixels(xpos + 2, ypos - 1, 1, 2, GL_RGBA, GL_FLOAT, rgba1);
-         glReadPixels(xpos + 2, ypos + height - 1, 1, 2, GL_RGBA, GL_FLOAT, rgba2);
-         if (rgba1[0][0] == 0.0 && rgba1[1][0] == 1.0 &&
-             rgba2[0][0] == 1.0 && rgba2[1][0] == 0.0) {
-            if (y < ymin)
-               ymin = y;
-            if (y > ymax)
-               ymax = y;
-         }
-      }
-   }
-
-   printf("Quad at (%2d, %2d)..(%2d, %2d) drawn"
-          " for x in [%6.3f, %6.3f] and y in [%6.3f, %6.3f]\n",
-          xpos, ypos,
-          xpos + width, ypos + height,
-          xpos + xmin, xpos + xmax,
-          ypos + ymin, ypos + ymax);
-
-   if (xmax - xmin != 1.0 - Step) {
-      printf("  => Inconsistant X-axis rasterization/size!\n");
-   }
-   if (ymax - ymin != 1.0 - Step) {
-      printf("  => Inconsistant Y-axis rasterization/size!\n");
-   }
-
-   if (xmin < -0.5) {
-      printf("  => Coords should be X biased by about %f\n", 0.5 + xmin );
-   }
-   if (ymin < -0.5) {
-      printf("  => Coords should be Y biased by about %f\n", 0.5 + ymin);
-   }
-   if (xmax > 0.5) {
-      printf("  => Coords should be X biased by about %f\n", -xmax + 0.5);
-   }
-   if (ymax > 0.5) {
-      printf("  => Coords should be Y biased by about %f\n", -ymax + 0.5);
-   }
-}
-
-
-/**
- * Misc/disabled code for debugging.
- */
-static void
-DebugTest(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-   glEnable(GL_BLEND);
-   glBlendFunc(GL_ONE, GL_ONE);
-
-   glColor3f(.5, .5, .5);
-
-   glBegin(GL_LINES);
-   glVertex2f(30, 35.5);
-   glVertex2f(54, 35.5);
-   glVertex2f(54, 35.5);
-   glVertex2f(66, 35.5);
-   glEnd();
-
-   glDisable(GL_BLEND);
-   glColor3f(1,1,1);
-}
-
-
-static void
-Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glPushMatrix();
-   glTranslatef(Xtrans, Ytrans, 0);
-
-   PointCalibrate(1, 1);
-   PointCalibrate(50, 50);
-   PointCalibrate(28, 17);
-   PointCalibrate(17, 18);
-   printf("\n");
-
-   HLineCalibrate(5, 10, 10);
-   HLineCalibrate(25, 22, 12);
-   HLineCalibrate(54, 33, 12);
-   HLineCalibrate(54+12, 33, 12);
-   printf("\n");
-
-   QuadCalibrate(2, 2, 10, 10);
-   QuadCalibrate(50, 50, 10, 10);
-   QuadCalibrate(28, 17, 12, 12);
-   QuadCalibrate(17, 28, 12, 12);
-
-   (void) DebugTest;
-
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   Width = width;
-   Height = height;
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(0, width, 0, height, -1, 1);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-   case 27:
-      glutDestroyWindow(Win);
-      exit(0);
-      break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   printf("Measurement/callibration for basic prim rasterization...\n");
-   printf("GL_RENDERER: %s\n", (char*) glGetString(GL_RENDERER));
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(Width, Height);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Draw);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/fillrate.c b/progs/tests/fillrate.c
deleted file mode 100644
index 1e58df281e1..00000000000
--- a/progs/tests/fillrate.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/**
- * Measure fill rates for basic shading/texturing modes.
- *
- * Brian Paul
- * 1 April 2008
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include "readtex.h"
-
-#define TEXTURE_1_FILE "../images/tile.rgb"
-#define TEXTURE_2_FILE "../images/reflect.rgb"
-
-static int Win;
-static int Width = 1010, Height = 1010;
-static GLuint Textures[2];
-
-
-/**
- * Draw quad 10 pixels shorter, narrower than window size.
- */
-static void
-DrawQuad(void)
-{
-   glBegin(GL_POLYGON);
-
-   glColor3f(1.0, 0.5, 0.5);
-   glMultiTexCoord2f(GL_TEXTURE0, 0, 0);
-   glMultiTexCoord2f(GL_TEXTURE1, 0, 0);
-   glVertex2f(5, 5);
-
-   glColor3f(0.5, 1.0, 0.5);
-   glMultiTexCoord2f(GL_TEXTURE0, 1, 0);
-   glMultiTexCoord2f(GL_TEXTURE1, 1, 0);
-   glVertex2f(Width - 5, 5);
-
-   glColor3f(0.5, 0.5, 1.0);
-   glMultiTexCoord2f(GL_TEXTURE0, 1, 1);
-   glMultiTexCoord2f(GL_TEXTURE1, 1, 1);
-   glVertex2f(Width - 5, Height - 5);
-
-   glColor3f(1.0, 0.5, 1.0);
-   glMultiTexCoord2f(GL_TEXTURE0, 0, 1);
-   glMultiTexCoord2f(GL_TEXTURE1, 0, 1);
-   glVertex2f(5, Height - 5);
-
-   glEnd();
-}
-
-
-/**
- * Compute rate for drawing large quad with given shading/texture state.
- */
-static void
-RunTest(GLenum shading, GLuint numTextures, GLenum texFilter)
-{
-   const GLdouble minPeriod = 2.0;
-   GLdouble t0, t1;
-   GLdouble pixels, rate;
-   GLint i, iters;
-
-   glActiveTexture(GL_TEXTURE0);
-   if (numTextures > 0) {
-      glBindTexture(GL_TEXTURE_2D, Textures[0]);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texFilter);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texFilter);
-      glEnable(GL_TEXTURE_2D);
-   }
-   else {
-      glDisable(GL_TEXTURE_2D);
-   }
-
-   glActiveTexture(GL_TEXTURE1);
-   if (numTextures > 1) {
-      glBindTexture(GL_TEXTURE_2D, Textures[1]);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texFilter);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texFilter);
-      glEnable(GL_TEXTURE_2D);
-   }
-   else {
-      glDisable(GL_TEXTURE_2D);
-   }
-
-   glShadeModel(shading);
-
-
-   glFinish();
-
-   iters = 1;
-   do {
-      iters *= 4;
-      t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
-      for (i = 0; i < iters; i++) {
-         DrawQuad();
-      }
-      glFinish();
-      t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
-   } while (t1 - t0 < minPeriod);
-
-   glutSwapBuffers();
-
-   pixels = (double) iters * (Width - 10) * (Height - 10);
-   rate = pixels / (t1 - t0);
-   rate /= 1000000.0;  /* megapixels/second */
-
-   printf("%s ", shading == GL_FLAT ? "GL_FLAT" : "GL_SMOOTH");
-   printf("Textures=%u ", numTextures);
-   printf("Filter=%s: ", texFilter == GL_LINEAR ? "GL_LINEAR" : "GL_NEAREST");
-   printf("%g MPixels/sec\n", rate);
-}
-
-
-static void
-Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   RunTest(GL_FLAT, 0, GL_NEAREST);
-   RunTest(GL_SMOOTH, 0, GL_NEAREST);
-   RunTest(GL_SMOOTH, 1, GL_NEAREST);
-   RunTest(GL_SMOOTH, 1, GL_LINEAR);
-   RunTest(GL_SMOOTH, 2, GL_NEAREST);
-   RunTest(GL_SMOOTH, 2, GL_LINEAR);
-
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(0, width, 0, height, -1, 1);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   Width = width;
-   Height = height;
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-   case 27:
-      glutDestroyWindow(Win);
-      exit(0);
-      break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   glGenTextures(2, Textures);
-
-   glBindTexture(GL_TEXTURE_2D, Textures[0]);
-   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-   if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) {
-      printf("Error: couldn't load texture image\n");
-      exit(1);
-   }
-
-   glBindTexture(GL_TEXTURE_2D, Textures[1]);
-   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-   if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) {
-      printf("Error: couldn't load texture image\n");
-      exit(1);
-   }
-
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(Width, Height);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Draw);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/glutfx.c b/progs/tests/glutfx.c
deleted file mode 100644
index 8bf55823897..00000000000
--- a/progs/tests/glutfx.c
+++ /dev/null
@@ -1,189 +0,0 @@
-
-/*
- * Example of how one might use GLUT with the 3Dfx driver in full-screen mode.
- * Note: this only works with X since we're using Mesa's GLX "hack" for
- * using Glide.
- *
- * Goals:
- *   easy setup and input event handling with GLUT
- *   use 3Dfx hardware
- *   automatically set MESA environment variables
- *   don't lose mouse input focus
- *
- * Brian Paul   This file is in the public domain.
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-
-#define WIDTH 640
-#define HEIGHT 480
-
-
-static int Window = 0;
-static int ScreenWidth, ScreenHeight;
-static GLuint Torus = 0;
-static GLfloat Xrot = 0.0, Yrot = 0.0;
-
-
-
-static void Display( void )
-{
-   static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0};
-   static GLfloat red[4] = {1.0, 0.2, 0.2, 1.0};
-   static GLfloat green[4] = {0.2, 1.0, 0.2, 1.0};
-
-   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
-   glPushMatrix();
-   glRotatef(Xrot, 1, 0, 0);
-   glRotatef(Yrot, 0, 1, 0);
-
-   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
-   glCallList(Torus);
-
-   glRotatef(90.0, 1, 0, 0);
-   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
-   glCallList(Torus);
-
-   glRotatef(90.0, 0, 1, 0);
-   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, green);
-   glCallList(Torus);
-
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-static void Reshape( int width, int height )
-{
-   float ratio = (float) width / (float) height;
-
-   ScreenWidth = width;
-   ScreenHeight = height;
-
-   /*
-    * The 3Dfx driver is limited to 640 x 480 but the X window may be larger.
-    * Enforce that here.
-    */
-   if (width > WIDTH)
-      width = WIDTH;
-   if (height > HEIGHT)
-      height = HEIGHT;
-
-   glViewport( 0, 0, width, height );
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-   glFrustum( -ratio, ratio, -1.0, 1.0, 5.0, 30.0 );
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -20.0 );
-}
-
-
-static void Key( unsigned char key, int x, int y )
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 27:
-         glutDestroyWindow(Window);
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void SpecialKey( int key, int x, int y )
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case GLUT_KEY_UP:
-         break;
-      case GLUT_KEY_DOWN:
-         break;
-      case GLUT_KEY_LEFT:
-         break;
-      case GLUT_KEY_RIGHT:
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void MouseMove( int x, int y )
-{
-   Xrot = y - ScreenWidth / 2;
-   Yrot = x - ScreenHeight / 2;
-   glutPostRedisplay();
-}
-
-
-static void Init( void )
-{
-   Torus = glGenLists(1);
-   glNewList(Torus, GL_COMPILE);
-   glutSolidTorus(0.5, 2.0, 10, 20);
-   glEndList();
-
-   glEnable(GL_LIGHTING);
-   glEnable(GL_LIGHT0);
-
-   glEnable(GL_DEPTH_TEST);
-   glEnable(GL_CULL_FACE);
-}
-
-
-int main( int argc, char *argv[] )
-{
-#ifndef _WIN32
-   printf("NOTE: if you've got 3Dfx VooDoo hardware you must run this");
-   printf(" program as root.\n\n");
-   printf("Move the mouse.  Press ESC to exit.\n\n");
-#endif
-
-   /* Tell Mesa GLX to use 3Dfx driver in fullscreen mode. */
-   putenv("MESA_GLX_FX=fullscreen");
-
-   /* Disable 3Dfx Glide splash screen */
-   putenv("FX_GLIDE_NO_SPLASH=");
-
-   /* Give an initial size and position so user doesn't have to place window */
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(WIDTH, HEIGHT);
-   glutInit( &argc, argv );
-
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-
-   Window = glutCreateWindow(argv[0]);
-   if (!Window) {
-      printf("Error, couldn't open window\n");
-      exit(1);
-   }
-
-   /*
-    * Want the X window to fill the screen so that we don't have to
-    * worry about losing the mouse input focus.
-    * Note that we won't actually see the X window since we never draw
-    * to it, hence, the original X screen's contents aren't disturbed.
-    */
-   glutFullScreen();
-
-   Init();
-
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutSpecialFunc( SpecialKey );
-   glutDisplayFunc( Display );
-   glutPassiveMotionFunc( MouseMove );
-
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/mapbufrange.c b/progs/tests/mapbufrange.c
deleted file mode 100644
index 0021bb26071..00000000000
--- a/progs/tests/mapbufrange.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Test glMapBuffer() and glMapBufferRange()
- *
- * Fill a VBO with vertex data to draw several colored quads.
- * On each redraw, update the geometry for just one rect in the VBO.
- *
- * Brian Paul
- * 4 March 2009
- */
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <GL/glew.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-static GLuint Win;
-static const GLuint NumRects = 10;
-static GLuint BufferID;
-static GLboolean Anim = GL_TRUE;
-static GLboolean UseBufferRange = GL_FALSE;
-
-
-
-static const float RectData[] = {
-   /* vertex */    /* color */
-    0, -1, 0,      1,  0,  0,
-    1,  0, 0,      1,  1,  0,
-    0,  1, 0,      0,  1,  1,
-   -1,  0, 0,      1,  0,  1
-};
-
-
-/**
- * The buffer contains vertex positions (float[3]) and colors (float[3])
- * for 'NumRects' quads.
- * This function updates/rotates one quad in the buffer.
- */
-static void
-UpdateRect(int r, float angle)
-{
-   float *rect;
-   int i;
-
-   assert(r < NumRects);
-
-   glBindBufferARB(GL_ARRAY_BUFFER_ARB, BufferID);
-   if (UseBufferRange) {
-      GLintptr offset = r * sizeof(RectData);
-      GLsizeiptr length = sizeof(RectData);
-      GLbitfield access = GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT;
-      float *buf = (float *) glMapBufferRange(GL_ARRAY_BUFFER_ARB,
-                                              offset, length, access);
-      rect = buf;
-   }
-   else {
-      /* map whole buffer */
-      float *buf = (float *)
-         glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
-      rect = buf + r * 24;
-   }
-
-   /* set rect verts/colors */
-   memcpy(rect, RectData, sizeof(RectData));
-
-   /* loop over four verts, updating vertices */
-   for (i = 0; i < 4; i++) {
-      float x = 0.2 * RectData[i*6+0];
-      float y = 0.2 * RectData[i*6+1];
-      float xpos = -2.5 + 0.5 * r;
-      float ypos = 0.0;
-
-      /* translate and rotate vert */
-      rect[i * 6 + 0] = xpos + x * cos(angle) + y * sin(angle);
-      rect[i * 6 + 1] = ypos + x * sin(angle) - y * cos(angle);
-   }
-
-   glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
-}
-
-
-static void
-LoadBuffer(void)
-{
-   static int frame = 0;
-   float angle = glutGet(GLUT_ELAPSED_TIME) * 0.001;
-   UpdateRect(frame % NumRects, angle);
-   frame++;
-}
-
-
-static void
-Draw(void)
-{
-   glBindBufferARB(GL_ARRAY_BUFFER_ARB, BufferID);
-   glVertexPointer(3, GL_FLOAT, 24, 0);
-   glEnable(GL_VERTEX_ARRAY);
-
-   glColorPointer(3, GL_FLOAT, 24, (void*) 12);
-   glEnable(GL_COLOR_ARRAY);
-
-   glDrawArrays(GL_QUADS, 0, NumRects * 4);
-
-   if (0)
-      glFinish();
-}
-
-
-static void
-Display(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-   Draw();
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(-3.0, 3.0, -1.0, 1.0, -1.0, 1.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-}
-
-
-static void
-Idle(void)
-{
-   LoadBuffer();
-   glutPostRedisplay();
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   if (key == 'a') {
-      Anim = !Anim;
-      glutIdleFunc(Anim ? Idle : NULL);
-   }
-   else if (key == 's') {
-      LoadBuffer();
-   }
-   else if (key == 27) {
-      glutDestroyWindow(Win);
-      exit(0);
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   GLuint BufferSize = NumRects * sizeof(RectData);
-   float *buf;
-
-   if (!glutExtensionSupported("GL_ARB_vertex_buffer_object")) {
-      printf("GL_ARB_vertex_buffer_object not found!\n");
-      exit(0);
-   }
-
-   UseBufferRange = glutExtensionSupported("GL_ARB_map_buffer_range");
-   printf("Use GL_ARB_map_buffer_range: %c\n", "NY"[UseBufferRange]);
-
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* initially load buffer with zeros */
-   buf = (float *) calloc(1, BufferSize);
-
-   glGenBuffersARB(1, &BufferID);
-   glBindBufferARB(GL_ARRAY_BUFFER_ARB, BufferID);
-   glBufferDataARB(GL_ARRAY_BUFFER_ARB, BufferSize, buf, GL_DYNAMIC_DRAW_ARB);
-
-   free(buf);
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowSize(800, 200);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Display);
-   glutIdleFunc(Anim ? Idle : NULL);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/mapvbo.c b/progs/tests/mapvbo.c
deleted file mode 100644
index c392e768358..00000000000
--- a/progs/tests/mapvbo.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Test glMapBuffer() call immediately after glDrawArrays().
- * See details below.
- *
- * NOTE: Do not use freeglut with this test!  It calls the Display()
- * callback twice right away instead of just once.
- *
- * Brian Paul
- * 27 Feb 2009
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-static GLuint BufferID;
-
-
-static GLuint Win;
-
-
-
-
-/*
- * Create VBO (position and color) and load with data.
- */
-static void
-SetupBuffers(void)
-{
-   static const GLfloat data[] = {
-      /* vertex */     /* color */
-      0, -1,  0,      1,    1,   0,
-      1,  0,  0,      1,    1,   0,
-      0,  1,  0,      1,    1,   0,
-      -1, 0,  0,      1,    1,   0
-   };
-
-   glGenBuffersARB(1, &BufferID);
-   glBindBufferARB(GL_ARRAY_BUFFER_ARB, BufferID);
-   glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(data), data,
-                   GL_STATIC_DRAW_ARB);
-}
-
-
-static void
-Draw(void)
-{
-   static int count = 1;
-
-   printf("Draw Frame %d\n", count);
-   count++;
-
-   glBindBufferARB(GL_ARRAY_BUFFER_ARB, BufferID);
-   glVertexPointer(3, GL_FLOAT, 24, 0);
-   glEnable(GL_VERTEX_ARRAY);
-
-   glColorPointer(3, GL_FLOAT, 24, (void*) 12);
-   glEnable(GL_COLOR_ARRAY);
-
-   glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-   if (0)
-      glFinish();
-
-   /* Immediately map the color buffer and change something.
-    * This should not effect the first glDrawArrays above, but the
-    * next time we draw we should see a black vertex.
-    */
-   if (1) {
-      GLfloat *m = (GLfloat *) glMapBufferARB(GL_ARRAY_BUFFER_ARB,
-                                              GL_WRITE_ONLY_ARB);
-      m[3] = m[4] = m[5] = 0.0f; /* black vertex */
-      glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
-   }
-}
-
-
-static void Display( void )
-{
-   glClear( GL_COLOR_BUFFER_BIT );
-   Draw();
-   glutSwapBuffers();
-}
-
-
-static void Reshape( int width, int height )
-{
-   float ar = (float) width / (float) height;
-   glViewport( 0, 0, width, height );
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-   glFrustum( -ar, ar, -1.0, 1.0, 5.0, 25.0 );
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -15.0 );
-}
-
-
-static void Key( unsigned char key, int x, int y )
-{
-   (void) x;
-   (void) y;
-   if (key == 27) {
-      glutDestroyWindow(Win);
-      exit(0);
-   }
-   glutPostRedisplay();
-}
-
-
-static void Init( void )
-{
-   if (!glutExtensionSupported("GL_ARB_vertex_buffer_object")) {
-      printf("GL_ARB_vertex_buffer_object not found!\n");
-      exit(0);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   SetupBuffers();
-}
-
-
-int main( int argc, char *argv[] )
-{
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 300, 300 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutDisplayFunc( Display );
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/mipgen.c b/progs/tests/mipgen.c
deleted file mode 100644
index 088f643215c..00000000000
--- a/progs/tests/mipgen.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/* Test GL_TEXTURE_BASE_LEVEL and GL_TEXTURE_MAX_LEVEL
- * Brian Paul
- * 10 May 2006
- */
-
-
-/* Copyright (c) Mark J. Kilgard, 1994. */
-
-/*
- * (c) Copyright 1993, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
- * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * US Government Users Restricted Rights
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (c)(1)(ii) of the Rights in Technical Data and Computer Software
- * clause at DFARS 252.227-7013 and/or in similar or successor
- * clauses in the FAR or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States.  Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-#include "readtex.h"
-
-
-static GLfloat LodBias = 6.0;   /* make smallest miplevel visible */
-static GLuint texImage;
-
-#define WIDTH 2
-#define HEIGHT 2
-
-static void
-InitValues(void)
-{
-   LodBias = 6.0;               /* make smallest miplevel visible */
-}
-
-
-static void MakeImage(void)
-{
-   const GLubyte color0[4] = { 0xff, 0x80, 0x20, 0xff };
-   const GLubyte color1[4] = { 0x10, 0x20, 0x40, 0xff };
-
-   GLubyte img[WIDTH*HEIGHT*3];
-   int i, j;
-   for (i = 0; i < HEIGHT; i++) {
-      for (j = 0; j < WIDTH; j++) {
-         int k = (i * WIDTH + j) * 3;
-         int p = ((i+j)%2);
-         if (p == 0) {
-            img[k + 0] = color0[0];
-            img[k + 1] = color0[1];
-            img[k + 2] = color0[2];
-         }
-         else {
-            img[k + 0] = color1[0];
-            img[k + 1] = color1[1];
-            img[k + 2] = color1[2];
-         }
-      }
-   }
-   
-   glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
-   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, WIDTH, HEIGHT, 0,
-                GL_RGB, GL_UNSIGNED_BYTE, img);
-   glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_FALSE);
-}
-
-
-
-static void myinit(void)
-{
-   InitValues();
-
-   glShadeModel(GL_FLAT);
-
-   glTranslatef(0.0, 0.0, -3.6);
-
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-   glGenTextures(1, &texImage);
-   glBindTexture(GL_TEXTURE_2D, texImage);
-   MakeImage();
-
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
-   glEnable(GL_TEXTURE_2D);
-
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
-
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, -1);
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 1);
-
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
-                   GL_NEAREST_MIPMAP_NEAREST);
-}
-
-
-
-static void display(void)
-{
-   GLfloat tcm = 1.0;
-   glBindTexture(GL_TEXTURE_2D, texImage);
-
-   printf("Bias=%.2g\n", LodBias);
-   fflush(stdout);
-
-   glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, LodBias);
-
-   glClear(GL_COLOR_BUFFER_BIT);
-   glBegin(GL_QUADS);
-   glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
-   glTexCoord2f(0.0, tcm); glVertex3f(-2.0, 1.0, 0.0);
-   glTexCoord2f(tcm * 3000.0, tcm); glVertex3f(3000.0, 1.0, -6000.0);
-   glTexCoord2f(tcm * 3000.0, 0.0); glVertex3f(3000.0, -1.0, -6000.0);
-   glEnd();
-   glFlush();
-}
-
-static void myReshape(int w, int h)
-{
-   glViewport(0, 0, w, h);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30000.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-}
-
-static void
-key(unsigned char k, int x, int y)
-{
-  (void) x;
-  (void) y;
-  switch (k) {
-  case 'l':
-     LodBias -= 0.25;
-     break;
-  case 'L':
-     LodBias += 0.25;
-     break;
-  case ' ':
-     InitValues();
-     break;
-  case 27:  /* Escape */
-    exit(0);
-    break;
-  default:
-    return;
-  }
-  glutPostRedisplay();
-}
-
-
-static void usage(void)
-{
-   printf("usage:\n");
-   printf("  l/L    decrease/increase GL_TEXTURE_LOD_BIAS\n");
-   printf("  SPACE  reset values\n");
-}
-
-
-int main(int argc, char** argv)
-{
-    glutInit(&argc, argv);
-    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB );
-    glutInitWindowSize (600, 600);
-    glutCreateWindow (argv[0]);
-    glewInit();
-    myinit();
-    glutReshapeFunc (myReshape);
-    glutDisplayFunc(display);
-    glutKeyboardFunc(key);
-    usage();
-    glutMainLoop();
-    return 0;             /* ANSI C requires main to return int. */
-}
diff --git a/progs/tests/mipmap_comp.c b/progs/tests/mipmap_comp.c
deleted file mode 100644
index 5842e2b8805..00000000000
--- a/progs/tests/mipmap_comp.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/* Copyright (c) Mark J. Kilgard, 1994. */
-/*
- * (c) Copyright 1993, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
- * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * US Government Users Restricted Rights
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (c)(1)(ii) of the Rights in Technical Data and Computer Software
- * clause at DFARS 252.227-7013 and/or in similar or successor
- * clauses in the FAR or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States.  Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
- */
-
-/* mipmap_comp
- * Test compressed texture mipmaps
- *
- * Based on mipmap_limits
- */
-
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-#include "readtex.h"
-
-#define SIZE 16 /* not larger then 16 */
-
-static GLint BaseLevel = 0, MaxLevel = 9;
-static GLfloat MinLod = -1, MaxLod = 9;
-static GLfloat LodBias = 0.0;
-static GLboolean NearestFilter = GL_TRUE;
-static GLuint texImage;
-
-
-static void
-initValues(void)
-{
-   BaseLevel = 0;
-   MaxLevel = 9;
-   MinLod = -1;
-   MaxLod = 2;
-   LodBias = 5.0;
-   NearestFilter = GL_TRUE;
-}
-
-
-static void
-makeImage(int level, int width, int height)
-{
-#if 0
-   GLubyte img[SIZE*SIZE*3];
-   int i, j;
-
-   (void)size;
-   for (i = 0; i < height; i++) {
-      for (j = 0; j < width; j++) {
-         int k = (i * width + j) * 3;
-         img[k + 0] = 255 * ((level + 1) % 2);
-         img[k + 1] = 255 * ((level + 1) % 2);
-         img[k + 2] = 255 * ((level + 1) % 2);
-      }
-   }
-
-   glTexImage2D(GL_TEXTURE_2D, level, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, width, height, 0,
-                GL_RGB, GL_UNSIGNED_BYTE, img);
-#else
-   GLubyte img[128];
-   GLint size[] = {
-      128, /* 16x16 */
-      32,  /*  8x8  */
-      8,   /*  4x4  */
-      8,   /*  2x2  */
-      8,   /*  1x1  */
-   };
-   int i;
-   int value = ((level + 1) % 2) * 0xffffffff;
-   memset(img, 0, 128);
-
-   /* generate black and white mipmap levels */
-   if (value)
-      for (i = 0; i < size[level] / 4; i += 2)
-         ((int*)img)[i] = value;
-
-   glCompressedTexImage2D(GL_TEXTURE_2D, level,
-                          GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
-                          width, height, 0,
-                          size[level], img);
-#endif
-}
-
-
-static void
-makeImages(void)
-{
-   int i, sz;
-
-   for (i = 0, sz = SIZE; sz >= 1; i++, sz /= 2) {
-      makeImage(i, sz, sz);
-      printf("Level %d size: %d x %d\n", i, sz, sz);
-   }
-}
-
-
-static void
-myInit(void)
-{
-
-   initValues();
-
-   glEnable(GL_DEPTH_TEST);
-   glDepthFunc(GL_LESS);
-   glShadeModel(GL_FLAT);
-
-   glTranslatef(0.0, 0.0, -3.6);
-
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-   glGenTextures(1, &texImage);
-   glBindTexture(GL_TEXTURE_2D, texImage);
-   makeImages();
-
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
-   glEnable(GL_TEXTURE_2D);
-}
-
-
-static void
-display(void)
-{
-   GLfloat tcm = 1.0;
-   glBindTexture(GL_TEXTURE_2D, texImage);
-
-   printf("BASE_LEVEL=%d  MAX_LEVEL=%d  MIN_LOD=%.2g  MAX_LOD=%.2g  Bias=%.2g  Filter=%s\n",
-         BaseLevel, MaxLevel, MinLod, MaxLod, LodBias,
-         NearestFilter ? "NEAREST" : "LINEAR");
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, BaseLevel);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, MaxLevel);
-
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, MinLod);
-   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, MaxLod);
-
-   if (NearestFilter) {
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
-            GL_NEAREST_MIPMAP_NEAREST);
-   }
-   else {
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
-            GL_LINEAR_MIPMAP_LINEAR);
-   }
-
-   glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, LodBias);
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-   glBegin(GL_QUADS);
-   glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0);
-   glTexCoord2f(0.0, tcm); glVertex3f(-2.0, 1.0, 0.0);
-   glTexCoord2f(tcm * 3000.0, tcm); glVertex3f(3000.0, 1.0, -6000.0);
-   glTexCoord2f(tcm * 3000.0, 0.0); glVertex3f(3000.0, -1.0, -6000.0);
-   glEnd();
-   glFlush();
-}
-
-
-static void
-myReshape(int w, int h)
-{
-   glViewport(0, 0, w, h);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30000.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-}
-
-
-static void
-key(unsigned char k, int x, int y)
-{
-  (void) x;
-  (void) y;
-  switch (k) {
-  case 'b':
-     BaseLevel--;
-     if (BaseLevel < 0)
-        BaseLevel = 0;
-     break;
-  case 'B':
-     BaseLevel++;
-     if (BaseLevel > 10)
-        BaseLevel = 10;
-     break;
-  case 'm':
-     MaxLevel--;
-     if (MaxLevel < 0)
-        MaxLevel = 0;
-     break;
-  case 'M':
-     MaxLevel++;
-     if (MaxLevel > 10)
-        MaxLevel = 10;
-     break;
-  case 'l':
-     LodBias -= 0.25;
-     break;
-  case 'L':
-     LodBias += 0.25;
-     break;
-  case 'n':
-     MinLod -= 0.25;
-     break;
-  case 'N':
-     MinLod += 0.25;
-     break;
-  case 'x':
-     MaxLod -= 0.25;
-     break;
-  case 'X':
-     MaxLod += 0.25;
-     break;
-  case 'f':
-     NearestFilter = !NearestFilter;
-     break;
-  case ' ':
-     initValues();
-     break;
-  case 27:  /* Escape */
-    exit(0);
-    break;
-  default:
-    return;
-  }
-  glutPostRedisplay();
-}
-
-
-static void
-usage(void)
-{
-   printf("usage:\n");
-   printf("  b/B    decrease/increase GL_TEXTURE_BASE_LEVEL\n");
-   printf("  m/M    decrease/increase GL_TEXTURE_MAX_LEVEL\n");
-   printf("  n/N    decrease/increase GL_TEXTURE_MIN_LOD\n");
-   printf("  x/X    decrease/increase GL_TEXTURE_MAX_LOD\n");
-   printf("  l/L    decrease/increase GL_TEXTURE_LOD_BIAS\n");
-   printf("  f      toggle nearest/linear filtering\n");
-   printf("  SPACE  reset values\n");
-}
-
-
-int
-main(int argc, char** argv)
-{
-    glutInit(&argc, argv);
-    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
-    glutInitWindowSize (600, 600);
-    glutCreateWindow (argv[0]);
-    glewInit();
-    myInit();
-    glutReshapeFunc (myReshape);
-    glutDisplayFunc(display);
-    glutKeyboardFunc(key);
-    usage();
-    glutMainLoop();
-    return 0;             /* ANSI C requires main to return int. */
-}
diff --git a/progs/tests/mipmap_view.c b/progs/tests/mipmap_view.c
deleted file mode 100644
index 808d348699c..00000000000
--- a/progs/tests/mipmap_view.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/*
- * Test mipmap generation and lod bias.
- *
- * Brian Paul
- * 17 March 2008
- */
-
-
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include <GL/glext.h>
-
-#include "readtex.h"
-
-#define TEXTURE_FILE "../images/arch.rgb"
-
-#define LEVELS 8
-#define SIZE (1<<LEVELS)
-static int TexWidth = SIZE, TexHeight = SIZE;
-static int WinWidth = 1044, WinHeight = 900;
-static GLfloat Bias = 0.0;
-static GLboolean ScaleQuads = GL_FALSE;
-static GLboolean Linear = GL_FALSE;
-static GLint Win = 0;
-static GLint RenderTextureLevel = 0;
-static GLuint TexObj;
-
-
-
-static void
-CheckError(int line)
-{
-   GLenum err = glGetError();
-   if (err) {
-      printf("GL Error 0x%x at line %d\n", (int) err, line);
-   }
-}
-
-
-
-static void
-PrintString(const char *s)
-{
-   while (*s) {
-      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
-      s++;
-   }
-}
-
-
-
-
-static void
-MipGenTexture( void )
-{
-   /* test auto mipmap generation */
-   GLint width, height, i;
-   GLenum format;
-   GLubyte *image = LoadRGBImage(TEXTURE_FILE, &width, &height, &format);
-   if (!image) {
-      printf("Error: could not load texture image %s\n", TEXTURE_FILE);
-      exit(1);
-   }
-   /* resize to TexWidth x TexHeight */
-   if (width != TexWidth || height != TexHeight) {
-      GLubyte *newImage = malloc(TexWidth * TexHeight * 4);
-      
-      fprintf(stderr, "rescale %d %d to %d %d\n", width, height,
-              TexWidth, TexHeight);
-      fflush(stderr);
-
-      gluScaleImage(format, width, height, GL_UNSIGNED_BYTE, image,
-                    TexWidth, TexHeight, GL_UNSIGNED_BYTE, newImage);
-      free(image);
-      image = newImage;
-   }
-   printf("Using GL_SGIS_generate_mipmap\n");
-   glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
-   glTexImage2D(GL_TEXTURE_2D, 0, format, TexWidth, TexHeight, 0,
-                format, GL_UNSIGNED_BYTE, image);
-   free(image);
-
-   /* make sure mipmap was really generated correctly */
-   width = TexWidth;
-   height = TexHeight;
-   for (i = 0; i < 9; i++) {
-      GLint w, h;
-      glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_WIDTH, &w);
-      glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_HEIGHT, &h);
-      printf("Level %d size: %d x %d\n", i, w, h);
-      assert(w == width);
-      assert(h == height);
-      width /= 2;
-      height /= 2;
-   }
-
-
-   glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_FALSE);
-}
-
-
-
-static void
-ResetTextureLevel( int i )
-{
-   GLubyte tex2d[SIZE*SIZE][4];
-      
-   {
-      GLint Width = TexWidth / (1 << i);
-      GLint Height = TexHeight / (1 << i);
-      GLint s, t;
-         
-      for (s = 0; s < Width; s++) {
-         for (t = 0; t < Height; t++) {
-            tex2d[t*Width+s][0] = ((s / 16) % 2) ? 0 : 255;
-            tex2d[t*Width+s][1] = ((t / 16) % 2) ? 0 : 255;
-            tex2d[t*Width+s][2] = 128;
-            tex2d[t*Width+s][3] = 255;
-         }
-      }
-         
-      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-         
-      glTexImage2D(GL_TEXTURE_2D, i, GL_RGB, Width, Height, 0,
-                   GL_RGBA, GL_UNSIGNED_BYTE, tex2d);
-   }
-}
-
-
-static void
-ResetTexture( void )
-{
-#if 0
-   /* This doesn't work so well as the arch texture is 512x512.
-    */
-   LoadRGBMipmaps(TEXTURE_FILE, GL_RGB);
-#else
-   {
-      int i;
-      
-      for (i = 0; i <= LEVELS; i++)
-      {
-         ResetTextureLevel(i);
-      }
-   }
-#endif
-}
-
-
-
-
-
-
-
-static void
-RenderTexture( void )
-{
-   GLenum status;
-   GLuint MyFB;
-
-   fprintf(stderr, "RenderTextureLevel %d\n", RenderTextureLevel);
-   fflush(stderr);
-
-   /* gen framebuffer id, delete it, do some assertions, just for testing */
-   glGenFramebuffersEXT(1, &MyFB);
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-   assert(glIsFramebufferEXT(MyFB));
-
-   CheckError(__LINE__);
-
-   /* Render color to texture */
-   glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, 
-                             GL_COLOR_ATTACHMENT0_EXT,
-                             GL_TEXTURE_2D, TexObj, 
-                             RenderTextureLevel);
-
-
-
-   CheckError(__LINE__);
-
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -15.0);
-
-   status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
-   if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
-      printf("Framebuffer incomplete!!!\n");
-   }
-
-   glViewport(0, 0,
-              TexWidth / (1 << RenderTextureLevel),
-              TexHeight / (1 << RenderTextureLevel));
-
-   glClearColor(0.5, 0.5, 1.0, 0.0);
-   glClear(GL_COLOR_BUFFER_BIT);
-      
-   CheckError(__LINE__);
-
-   glBegin(GL_POLYGON);
-   glColor3f(1, 0, 0);
-   glVertex2f(-1, -1);
-   glColor3f(0, 1, 0);
-   glVertex2f(1, -1);
-   glColor3f(0, 0, 1);
-   glVertex2f(0, 1);
-   glEnd();
-
-
-   /* Bind normal framebuffer */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-   CheckError(__LINE__);
-
-   glDeleteFramebuffersEXT(1, &MyFB);
-   CheckError(__LINE__);
-
-   glClearColor(0, 0, 0, 0);
-}
-
-static void
-Display(void)
-{
-   int x, y, bias;
-   char str[100];
-   int texWidth = TexWidth, texHeight = TexHeight;
-
-   glViewport(0, 0, WinHeight, WinHeight);
-
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glOrtho(0, WinWidth, 0, WinHeight, -1, 1);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   
-   glColor3f(1,1,1);
-
-   if (Linear) {
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-   }
-   else {
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-   }
-
-   y = WinHeight - 300;
-   x = 4;
-
-   for (bias = -1; bias < 11; bias++) {
-
-      if (ScaleQuads) {
-         if (bias > 0) {
-            if (texWidth == 1 && texHeight == 1)
-               break;
-            texWidth = TexWidth >> bias;
-            texHeight = TexHeight >> bias;
-            if (texWidth < 1)
-               texWidth = 1;
-            if (texHeight < 1)
-               texHeight = 1;
-         }
-         glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.0);
-      }
-      else {
-         glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, bias);
-      }
-
-      glRasterPos2f(x, y + TexHeight + 5);
-      if (ScaleQuads)
-         sprintf(str, "Texture Level %d: %d x %d",
-                 (bias < 0 ? 0 : bias),
-                 texWidth, texHeight);
-      else
-         sprintf(str, "Texture LOD Bias = %d", bias);
-      PrintString(str);
-
-      glPushMatrix();
-      glTranslatef(x, y, 0);
-
-      glEnable(GL_TEXTURE_2D);
-
-      glBegin(GL_POLYGON);
-      glTexCoord2f(0, 0);  glVertex2f(0, 0);
-      glTexCoord2f(1, 0);  glVertex2f(texWidth, 0);
-      glTexCoord2f(1, 1);  glVertex2f(texWidth, texHeight);
-      glTexCoord2f(0, 1);  glVertex2f(0, texHeight);
-      glEnd();
-
-      glPopMatrix();
-
-      glDisable(GL_TEXTURE_2D);
-
-      x += TexWidth + 4;
-      if (x >= WinWidth) {
-         x = 4;
-         y -= 300;
-      }
-   }
-
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   WinWidth = width;
-   WinHeight = height;
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 'b':
-         Bias -= 10;
-         break;
-      case 'B':
-         Bias += 10;
-         break;
-      case 'l':
-         Linear = !Linear;
-         break;
-      case 'v':
-         RenderTextureLevel++;
-         break;
-      case 'V':
-         RenderTextureLevel--;
-         break;
-      case 'r':
-         RenderTexture();
-         break;
-      case 'X':
-         ResetTexture();
-         break;
-      case 'x':
-         ResetTextureLevel(RenderTextureLevel);
-         break;
-      case '0':
-      case '1':
-      case '2':
-      case '3':
-      case '4':
-      case '5':
-      case '6':
-      case '7':
-      case '8':
-      case '9':
-         Bias = 100.0 * (key - '0');
-         break;
-      case 's':
-         ScaleQuads = !ScaleQuads;
-         break;
-      case ' ':
-         MipGenTexture();
-         Bias = 0;
-         Linear = 0;
-         RenderTextureLevel = 0;
-         ScaleQuads = 0;
-         break;
-         
-      case 27:
-         glutDestroyWindow(Win);
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   GLfloat maxBias;
-
-   if (!glutExtensionSupported("GL_EXT_texture_lod_bias")) {
-      printf("Sorry, GL_EXT_texture_lod_bias not supported by this renderer.\n");
-      exit(1);
-   }
-
-   if (!glutExtensionSupported("GL_SGIS_generate_mipmap")) {
-      printf("Sorry, GL_SGIS_generate_mipmap not supported by this renderer.\n");
-      exit(1);
-   }
-
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-
-   glGenTextures(1, &TexObj);
-   glBindTexture(GL_TEXTURE_2D, TexObj);
-
-   if (1) 
-      MipGenTexture();
-   else
-      ResetTexture();
-
-   /* mipmapping required for this extension */
-   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
-   glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &maxBias);
-
-   printf("GL_RENDERER: %s\n", (char*) glGetString(GL_RENDERER));
-   printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias);
-
-   printf("Press 's' to toggle quad scaling\n");
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(WinWidth, WinHeight);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutDisplayFunc(Display);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/occlude.c b/progs/tests/occlude.c
deleted file mode 100644
index 8f7b90984e0..00000000000
--- a/progs/tests/occlude.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * GL_HP_occlustion_test demo
- *
- * Brian Paul
- * 31 March 2000
- *
- * Copyright (C) 2000  Brian Paul   All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <GL/glut.h>
-#include <GL/glext.h>
-
-
-static GLfloat Xpos = 0;
-static GLboolean Anim = GL_TRUE;
-
-
-static void
-PrintString(const char *s)
-{
-   while (*s) {
-      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
-      s++;
-   }
-}
-
-
-
-static void Idle(void)
-{
-   static int lastTime = 0;
-   static int sign = +1;
-   int time = glutGet(GLUT_ELAPSED_TIME);
-   float step;
-
-   if (lastTime == 0)
-      lastTime = time;
-   else if (time - lastTime < 20)  /* 50Hz update */
-      return;
-
-   step = (time - lastTime) / 1000.0 * sign;
-   lastTime = time;
-
-   Xpos += step;
-
-   if (Xpos > 2.5) {
-      Xpos = 2.5;
-      sign = -1;
-   }
-   else if (Xpos < -2.5) {
-      Xpos = -2.5;
-      sign = +1;
-   }
-   glutPostRedisplay();
-}
-
-
-static void Display( void )
-{
-   GLboolean result;
-
-   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -15.0 );
-
-   /* draw the occluding polygons */
-   glColor3f(0, 0.6, 0.8);
-   glBegin(GL_QUADS);
-   glVertex2f(-1.6, -1.5);
-   glVertex2f(-0.4, -1.5);
-   glVertex2f(-0.4,  1.5);
-   glVertex2f(-1.6,  1.5);
-
-   glVertex2f( 0.4, -1.5);
-   glVertex2f( 1.6, -1.5);
-   glVertex2f( 1.6,  1.5);
-   glVertex2f( 0.4,  1.5);
-   glEnd();
-
-   /* draw the test polygon with occlusion testing */
-   glPushMatrix();
-   glTranslatef(Xpos, 0, -0.5);
-   glScalef(0.3, 0.3, 1.0);
-   glRotatef(-90.0 * Xpos, 0, 0, 1);
-
-   glEnable(GL_OCCLUSION_TEST_HP);  /* NOTE: enabling the occlusion test */
-                                    /* doesn't clear the result flag! */
-   glColorMask(0, 0, 0, 0);
-   glDepthMask(GL_FALSE);
-   /* this call clear's the result flag.  Not really needed for this demo. */
-   glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP, &result);
-
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, -1, 0);
-   glVertex3f( 1, -1, 0);
-   glVertex3f( 1,  1, 0);
-   glVertex3f(-1,  1, 0);
-   glEnd();
-
-   glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP, &result);
-   /* turn off occlusion testing */
-   glDisable(GL_OCCLUSION_TEST_HP);
-   glColorMask(1, 1, 1, 1);
-   glDepthMask(GL_TRUE);
-
-   /* draw the green rect, so we can see what's going on */
-   glColor3f(0.8, 0.5, 0);
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, -1, 0);
-   glVertex3f( 1, -1, 0);
-   glVertex3f( 1,  1, 0);
-   glVertex3f(-1,  1, 0);
-   glEnd();
-
-   glPopMatrix();
-
-
-   /* Print result message */
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-
-   glColor3f(1, 1, 1);
-   glRasterPos3f(-0.25, -0.7, 0);
-
-   if (result)
-      PrintString("   Visible");
-   else
-      PrintString("Fully Occluded");
-
-   glutSwapBuffers();
-}
-
-
-static void Reshape( int width, int height )
-{
-   glViewport( 0, 0, width, height );
-}
-
-
-static void Key( unsigned char key, int x, int y )
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 'a':
-         Anim = !Anim;
-         if (Anim)
-            glutIdleFunc( Idle );
-         else
-            glutIdleFunc( NULL );
-         break;
-      case 27:
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void SpecialKey( int key, int x, int y )
-{
-   const GLfloat step = 0.1;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case GLUT_KEY_LEFT:
-         Xpos -= step;
-         break;
-      case GLUT_KEY_RIGHT:
-         Xpos += step;
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void Init( void )
-{
-   const char *ext = (const char *) glGetString(GL_EXTENSIONS);
-   if (!strstr(ext, "GL_HP_occlusion_test")) {
-      printf("Sorry, this demo requires the GL_HP_occlusion_test extension\n");
-      exit(-1);
-   }
-
-   glEnable(GL_DEPTH_TEST);
-}
-
-
-int main( int argc, char *argv[] )
-{
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 400, 400 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-   glutCreateWindow(argv[0]);
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutSpecialFunc( SpecialKey );
-   glutIdleFunc( Idle );
-   glutDisplayFunc( Display );
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/quads.c b/progs/tests/quads.c
deleted file mode 100644
index 2098b51ccd2..00000000000
--- a/progs/tests/quads.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/**
- * Draw colored quads.
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-#define NUM_QUADS 20
-
-
-static int Win;
-static GLfloat Xrot = 40, Yrot = 0, Zrot = 0;
-static GLboolean Anim = GL_TRUE;
-static GLuint Vbuffer = 0;
-
-static GLfloat buf[NUM_QUADS * 6 * 4];
-
-static GLboolean doSwapBuffers = GL_TRUE;
-
-static GLint Frames = 0, T0 = 0;
-
-
-static void
-Idle(void)
-{
-   Xrot += 3.0;
-   Yrot += 4.0;
-   Zrot += 2.0;
-   glutPostRedisplay();
-}
-
-
-static void
-Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glPushMatrix();
-   glRotatef(Xrot, 1, 0, 0);
-   glRotatef(Yrot, 0, 1, 0);
-   glRotatef(Zrot, 0, 0, 1);
-
-   glDrawArrays(GL_QUADS, 0, NUM_QUADS*4);
-
-   glPopMatrix();
-
-   if (doSwapBuffers)
-      glutSwapBuffers();
-   /*
-   else
-      glFinish();
-   */
-
-   {
-      GLint t = glutGet(GLUT_ELAPSED_TIME);
-      Frames++;
-      if (t - T0 >= 5000) {
-         GLfloat seconds = (t - T0) / 1000.0;
-         GLfloat fps = Frames / seconds;
-         printf("%d frames in %6.3f seconds = %6.3f FPS\n",
-                Frames, seconds, fps);
-         T0 = t;
-         Frames = 0;
-      }
-   }
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -8.0);
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   const GLfloat step = 3.0;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 's':
-         doSwapBuffers = !doSwapBuffers;
-         break;
-      case 'a':
-         Anim = !Anim;
-         if (Anim)
-            glutIdleFunc(Idle);
-         else
-            glutIdleFunc(NULL);
-         break;
-      case 'z':
-         Zrot -= step;
-         break;
-      case 'Z':
-         Zrot += step;
-         break;
-      case 27:
-         glutDestroyWindow(Win);
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
-   const GLfloat step = 3.0;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case GLUT_KEY_UP:
-         Xrot -= step;
-         break;
-      case GLUT_KEY_DOWN:
-         Xrot += step;
-         break;
-      case GLUT_KEY_LEFT:
-         Yrot -= step;
-         break;
-      case GLUT_KEY_RIGHT:
-         Yrot += step;
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-quad(float x, float y, float z, float *v)
-{
-   int k = 0;
-
-   /* color */
-   v[k++] = x * 0.5 + 0.5;
-   v[k++] = y * 0.5 + 0.5;
-   v[k++] = z * 0.5 + 0.5;
-   /* vert */
-   v[k++] = x;
-   v[k++] = y;
-   v[k++] = z;
-
-   /* color */
-   v[k++] = -x * 0.5 + 0.5;
-   v[k++] = -y * 0.5 + 0.5;
-   v[k++] = z * 0.5 + 0.5;
-   /* vert */
-   v[k++] = -x;
-   v[k++] = -y;
-   v[k++] = z;
-
-   /* color */
-   v[k++] = -x * 0.5 + 0.5;
-   v[k++] = -y * 0.5 + 0.5;
-   v[k++] = -z * 0.5 + 0.5;
-   /* vert */
-   v[k++] = -x;
-   v[k++] = -y;
-   v[k++] = -z;
-
-   /* color */
-   v[k++] = x * 0.5 + 0.5;
-   v[k++] = y * 0.5 + 0.5;
-   v[k++] = -z * 0.5 + 0.5;
-   /* vert */
-   v[k++] = x;
-   v[k++] = y;
-   v[k++] = -z;
-}
-
-static void
-gen_quads(GLfloat *buf)
-{
-   float *v = buf;
-   float r = 1.0;
-   int i;
-
-   for (i = 0; i < NUM_QUADS; i++) {
-      float angle = i / (float) NUM_QUADS * M_PI;
-      float x = r * cos(angle);
-      float y = r * sin(angle);
-      float z = 1.10;
-      quad(x, y, z, v);
-      v += 24;
-   }
-
-   if (0) {
-      float *p = buf;
-      for (i = 0; i < NUM_QUADS * 4 * 2; i++) {
-         printf("%d: %f %f %f\n", i, p[0], p[1], p[2]);
-         p += 3;
-      }
-   }
-}
-
-
-static void
-Init(void)
-{
-   int bytes = NUM_QUADS * 4 * 2 * 3 * sizeof(float);
-   GLfloat *f;
-
-#if 1
-   glGenBuffers(1, &Vbuffer);
-   glBindBuffer(GL_ARRAY_BUFFER, Vbuffer);
-   glBufferData(GL_ARRAY_BUFFER_ARB, bytes, NULL, GL_STATIC_DRAW_ARB);
-   f = (float *) glMapBuffer(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
-   gen_quads(f);
-   glUnmapBuffer(GL_ARRAY_BUFFER_ARB);
-   glColorPointer(3, GL_FLOAT, 6*sizeof(float), (void *) 0);
-   glVertexPointer(3, GL_FLOAT, 6*sizeof(float), (void *) 12);
-#else
-   f = buf;
-   gen_quads(f);
-   glColorPointer(3, GL_FLOAT, 6*sizeof(float), buf);
-   glVertexPointer(3, GL_FLOAT, 6*sizeof(float), buf + 3);
-#endif
-
-   glEnableClientState(GL_COLOR_ARRAY);
-   glEnableClientState(GL_VERTEX_ARRAY);
-
-   glEnable(GL_DEPTH_TEST);
-
-   glClearColor(0.5, 0.5, 0.5, 0.0);
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(600, 600);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutSpecialFunc(SpecialKey);
-   glutDisplayFunc(Draw);
-   if (Anim)
-      glutIdleFunc(Idle);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/streaming_rect.c b/progs/tests/streaming_rect.c
deleted file mode 100644
index f65ac4ce36c..00000000000
--- a/progs/tests/streaming_rect.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * GL_ARB_pixel_buffer_object test
- *
- * Command line options:
- *    -w WIDTH -h HEIGHT   sets window size
- *
- */
-
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-#include "readtex.h"
-
-
-#define ANIMATE 10
-#define PBO 11
-#define QUIT 100
-
-static GLuint DrawPBO;
-
-static GLboolean Animate = GL_TRUE;
-static GLboolean use_pbo = 1;
-static GLboolean whole_rect = 1;
-
-static GLfloat Drift = 0.0;
-static GLfloat drift_increment = 1/255.0;
-static GLfloat Xrot = 20.0, Yrot = 30.0;
-
-static GLuint Width = 1024;
-static GLuint Height = 512;
-
-
-static void Idle( void )
-{
-   if (Animate) {
-
-      Drift += drift_increment;
-      if (Drift >= 1.0)
-         Drift = 0.0;
-
-      glutPostRedisplay();
-   }
-}
-
-/*static int max( int a, int b ) { return a > b ? a : b; }*/
-
-#ifndef min
-static int min( int a, int b ) { return a < b ? a : b; }
-#endif
-
-static void DrawObject()
-{
-   GLint size = Width * Height * 4;
-   
-   if (use_pbo) {
-      /* XXX: This is extremely important - semantically makes the buffer
-       * contents undefined, but in practice means that the driver can
-       * release the old copy of the texture and allocate a new one
-       * without waiting for outstanding rendering to complete.
-       */
-      glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, DrawPBO);
-      glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT, size, NULL, GL_STREAM_DRAW_ARB);
-
-      {
-	 char *image = glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, GL_WRITE_ONLY_ARB);
-      
-	 printf("char %d\n", (unsigned char)(Drift * 255));
-
-	 memset(image, (unsigned char)(Drift * 255), size);
-      
-	 glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT);
-      }
-   
-
-      /* BGRA is required for most hardware paths:
-       */
-      glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, Width, Height, 0,
-		   GL_BGRA, GL_UNSIGNED_BYTE, NULL);
-   }
-   else {
-      static char *image = NULL;
-
-      if (image == NULL) 
-	 image = malloc(size);
-
-      glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, 0);
-
-      memset(image, (unsigned char)(Drift * 255), size);
-
-      /* BGRA should be the fast path for regular uploads as well.
-       */
-      glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, Width, Height, 0,
-		   GL_BGRA, GL_UNSIGNED_BYTE, image);
-   }
-
-   {
-      int x,y,w,h;
-
-      if (whole_rect) {
-	 x = y = 0;
-	 w = Width;
-	 h = Height;
-      }
-      else {
-	 x = y = 0;
-	 w = min(10, Width);
-	 h = min(10, Height);
-      }
-
-      glBegin(GL_QUADS);
-
-      glTexCoord2f( x, y);
-      glVertex2f( x, y );
-
-      glTexCoord2f( x, y + h);
-      glVertex2f( x, y + h);
-
-      glTexCoord2f( x + w + .5, y + h);
-      glVertex2f( x + w, y + h );
-
-      glTexCoord2f( x + w, y + .5);
-      glVertex2f( x + w, y );
-
-      glEnd();
-   }
-}
-
-
-
-static void Display( void )
-{
-   static GLint T0 = 0;
-   static GLint Frames = 0;
-   GLint t;
-
-   glClear( GL_COLOR_BUFFER_BIT );
-
-   glPushMatrix();
-      DrawObject();
-   glPopMatrix();
-
-   glutSwapBuffers();
-
-   Frames++;
-
-   t = glutGet(GLUT_ELAPSED_TIME);
-   if (t - T0 >= 1000) {
-      GLfloat seconds = (t - T0) / 1000.0;
-
-      GLfloat fps = Frames / seconds;
-      printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
-      fflush(stdout);
-
-      drift_increment = 2.2 * seconds / Frames;
-      T0 = t;
-      Frames = 0;
-   }
-}
-
-
-static void Reshape( int width, int height )
-{
-   glViewport( 0, 0, width, height );
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-/*    glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 ); */
-   gluOrtho2D( 0, width, height, 0 );
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-   glTranslatef(0.375, 0.375, 0);
-}
-
-
-static void ModeMenu(int entry)
-{
-   if (entry==ANIMATE) {
-      Animate = !Animate;
-   }
-   else if (entry==PBO) {
-      use_pbo = !use_pbo;
-   }
-   else if (entry==QUIT) {
-      exit(0);
-   }
-
-   glutPostRedisplay();
-}
-
-
-static void Key( unsigned char key, int x, int y )
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 27:
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void SpecialKey( int key, int x, int y )
-{
-   float step = 3.0;
-   (void) x;
-   (void) y;
-
-   switch (key) {
-      case GLUT_KEY_UP:
-         Xrot += step;
-         break;
-      case GLUT_KEY_DOWN:
-         Xrot -= step;
-         break;
-      case GLUT_KEY_LEFT:
-         Yrot += step;
-         break;
-      case GLUT_KEY_RIGHT:
-         Yrot -= step;
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void Init( int argc, char *argv[] )
-{
-   const char *exten = (const char *) glGetString(GL_EXTENSIONS);
-   GLuint texObj;
-   GLint size;
-
-
-   if (!strstr(exten, "GL_ARB_pixel_buffer_object")) {
-      printf("Sorry, GL_ARB_pixel_buffer_object not supported by this renderer.\n");
-      exit(1);
-   }
-
-   glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size);
-   printf("%d x %d max texture size\n", size, size);
-
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-
-   /* allocate two texture objects */
-   glGenTextures(1, &texObj);
-
-   /* setup the texture objects */
-   glActiveTextureARB(GL_TEXTURE0_ARB);
-   glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texObj);
-
-   glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-   glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-
-   glGenBuffersARB(1, &DrawPBO);
-
-   glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_EXT, DrawPBO);
-   glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_EXT,
-		   Width * Height * 4, NULL, GL_STREAM_DRAW);
-
-   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
-   glEnable(GL_TEXTURE_RECTANGLE_ARB);
-
-   glShadeModel(GL_SMOOTH);
-   glClearColor(0.3, 0.3, 0.4, 1.0);
-
-   if (argc > 1 && strcmp(argv[1], "-info")==0) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
-}
-
-
-int main( int argc, char *argv[] )
-{
-   GLint i;
-
-   glutInit( &argc, argv );
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-w") == 0) {
-         Width = atoi(argv[i+1]);
-         if (Width <= 0) {
-            printf("Error, bad width\n");
-            exit(1);
-         }
-         i++;
-      }
-      else if (strcmp(argv[i], "-h") == 0) {
-         Height = atoi(argv[i+1]);
-         if (Height <= 0) {
-            printf("Error, bad height\n");
-            exit(1);
-         }
-         i++;
-      }
-   }
-
-   glutInitWindowSize( Width, Height );
-   glutInitWindowPosition( 0, 0 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-   glutCreateWindow(argv[0] );
-   glewInit();
-
-   Init( argc, argv );
-
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutSpecialFunc( SpecialKey );
-   glutDisplayFunc( Display );
-   glutIdleFunc( Idle );
-
-   glutCreateMenu(ModeMenu);
-   glutAddMenuEntry("Toggle Animation", ANIMATE);
-   glutAddMenuEntry("Toggle PBO", PBO);
-   glutAddMenuEntry("Quit", QUIT);
-   glutAttachMenu(GLUT_RIGHT_BUTTON);
-
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/subtex.c b/progs/tests/subtex.c
deleted file mode 100644
index 86b737c01fa..00000000000
--- a/progs/tests/subtex.c
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Test glTexSubImage mid-way through a frame.
- *
- * The same texture is used for both quads but it gets redefined
- * with glTexSubImage (or glTexImage) after the first quad.
- */
-
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "GL/glew.h"
-#include "GL/glut.h"
-
-static GLuint Window = 0;
-static GLboolean Anim = GL_FALSE;
-static GLfloat Angle = 0.0f;
-
-
-
-static void
-first_texture(void)
-{
-   static int width=8, height=8;
-   static GLubyte tex1[] = {
-     0, 0, 0, 0, 0, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 1, 1, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 1, 1, 1, 0, 0,
-     0, 0, 0, 0, 0, 0, 0, 0 };
-
-   GLubyte tex[64][3];
-   GLint i, j;
-
-   /* red on white */
-   for (i=0;i<height;i++) {
-      for (j=0;j<width;j++) {
-         int p = i*width+j;
-         if (tex1[(height-i-1)*width+j]) {
-            tex[p][0] = 255;   tex[p][1] = 0;     tex[p][2] = 0;
-         }
-         else {
-            tex[p][0] = 255;   tex[p][1] = 255;   tex[p][2] = 255;
-         }
-      }
-   }
-
-   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
-                 GL_RGB, GL_UNSIGNED_BYTE, tex );
-}
-
-
-static void
-second_texture(void)
-{
-   static int width=8, height=8;
-
-   static GLubyte tex2[] = {
-     0, 0, 0, 0, 0, 0, 0, 0,
-     0, 0, 0, 2, 2, 0, 0, 0,
-     0, 0, 2, 0, 0, 2, 0, 0,
-     0, 0, 0, 0, 0, 2, 0, 0,
-     0, 0, 0, 0, 2, 0, 0, 0,
-     0, 0, 0, 2, 0, 0, 0, 0,
-     0, 0, 2, 2, 2, 2, 0, 0,
-     0, 0, 0, 0, 0, 0, 0, 0 };
-
-   GLubyte tex[64][3];
-   GLint i, j;
-
-   /* green on blue */
-   for (i=0;i<height;i++) {
-      for (j=0;j<width;j++) {
-         int p = i*width+j;
-         if (tex2[(height-i-1)*width+j]) {
-            tex[p][0] = 0;     tex[p][1] = 255;   tex[p][2] = 0;
-         }
-         else {
-            tex[p][0] = 0;     tex[p][1] = 0;     tex[p][2] = 255;
-         }
-      }
-   }
-#if 0
-   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
-                 GL_RGB, GL_UNSIGNED_BYTE, tex );
-#else
-   glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
-                 GL_RGB, GL_UNSIGNED_BYTE, tex );
-#endif
-}
-
-
-
-static void draw( void )
-{
-   glClear( GL_COLOR_BUFFER_BIT );
-
-   glColor3f( 1.0, 1.0, 1.0 );
-
-   /* draw first polygon */
-   glPushMatrix();
-   glTranslatef( -1.0, 0.0, 0.0 );
-   glRotatef( Angle, 0.0, 0.0, 1.0 );
-
-   first_texture();
-
-   glBegin( GL_POLYGON );
-   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
-   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
-   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
-   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
-   glEnd();
-   glPopMatrix();
-
-   /* draw second polygon */
-   glPushMatrix();
-   glTranslatef( 1.0, 0.0, 0.0 );
-   glRotatef( Angle-90.0, 0.0, 1.0, 0.0 );
-
-   second_texture();
-
-   glBegin( GL_POLYGON );
-   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
-   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
-   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
-   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
-   glEnd();
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-
-static void idle( void )
-{
-   static double t0 = -1.;
-   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
-   if (t0 < 0.0)
-      t0 = t;
-   dt = t - t0;
-   t0 = t;
-   Angle += 120.0*dt;
-   glutPostRedisplay();
-}
-
-
-
-/* change view Angle, exit upon ESC */
-static void key(unsigned char k, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (k) {
-   case 'a':
-      Anim = !Anim;
-      if (Anim)
-         glutIdleFunc( idle );
-      else
-         glutIdleFunc( NULL );
-      break;
-   case 27:
-      glutDestroyWindow(Window);
-      exit(0);
-   }
-}
-
-
-
-/* new window size or exposure */
-static void reshape( int width, int height )
-{
-   glViewport(0, 0, (GLint)width, (GLint)height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   /*   glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
-   glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -8.0 );
-}
-
-
-static void init( void )
-{
-   /* Setup texturing */
-   glEnable( GL_TEXTURE_2D );
-   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
-
-
-   glBindTexture( GL_TEXTURE_2D, 0 );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
-}
-
-
-
-int main( int argc, char *argv[] )
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(300, 300);
-   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
-
-   Window = glutCreateWindow("Texture Objects");
-   glewInit();
-   if (!Window) {
-      exit(1);
-   }
-
-   init();
-
-   glutReshapeFunc( reshape );
-   glutKeyboardFunc( key );
-   if (Anim)
-      glutIdleFunc( idle );
-   glutDisplayFunc( draw );
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/texdown.c b/progs/tests/texdown.c
deleted file mode 100644
index 7e460458325..00000000000
--- a/progs/tests/texdown.c
+++ /dev/null
@@ -1,477 +0,0 @@
-
-/*
- * Copyright (C) 1999  Brian Paul   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/*
- * texdown
- *
- * Measure texture download speed.
- * Use keyboard to change texture size, format, datatype, scale/bias,
- * subimageload, etc.
- *
- * Brian Paul  28 January 2000
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-
-static GLsizei MaxSize = 2048;
-static GLsizei TexWidth = 1024, TexHeight = 1024, TexBorder = 0;
-static GLboolean ScaleAndBias = GL_FALSE;
-static GLboolean SubImage = GL_FALSE;
-static GLdouble DownloadRate = 0.0;  /* texels/sec */
-
-static GLuint Mode = 0;
-
-
-/* Try and avoid L2 cache effects by cycling through a small number of
- * textures.
- * 
- * At the initial size of 1024x1024x4 == 4mbyte, say 8 textures will
- * keep us out of most caches at 32mb total.
- *
- * This turns into a fairly interesting question of what exactly you
- * expect to be in cache in normal usage, and what you think should be
- * outside.  There's no rules for this, no reason to favour one usage
- * over another except what the application you care about happens to
- * resemble most closely.
- *
- * - Should the client texture image be in L2 cache?  Has it just been
- *   generated or read from disk?
- * - Does the application really use >1 texture, or is it constantly 
- *   updating one image in-place?
- *
- * Different answers will favour different texture upload mechanisms.
- * To upload an image that is purely outside of cache, a DMA-based
- * upload will probably win, whereas for small, in-cache textures,
- * copying looks good.
- */
-#define NR_TEXOBJ 4
-static GLuint TexObj[NR_TEXOBJ];
-
-
-struct FormatRec {
-   GLenum Format;
-   GLenum Type;
-   GLenum IntFormat;
-   GLint TexelSize;
-};
-
-
-static const struct FormatRec FormatTable[] = {
-  /* Format   Type                         IntFormat   TexelSize */
-   { GL_BGRA, GL_UNSIGNED_BYTE,            GL_RGBA,        4    },
-   { GL_RGB,  GL_UNSIGNED_BYTE,            GL_RGB,         3    },
-   { GL_RGBA, GL_UNSIGNED_BYTE,            GL_RGBA,        4    },
-   { GL_RGBA, GL_UNSIGNED_BYTE,            GL_RGB,         4    },
-   { GL_RGB,  GL_UNSIGNED_SHORT_5_6_5,     GL_RGB,         2    },
-   { GL_LUMINANCE, GL_UNSIGNED_BYTE,       GL_LUMINANCE,   1    },
-   { GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_LUMINANCE_ALPHA,   2    },
-   { GL_ALPHA, GL_UNSIGNED_BYTE,           GL_ALPHA,       1    },
-};
-static GLint Format;
-
-#define NUM_FORMATS (sizeof(FormatTable)/sizeof(FormatTable[0]))
-
-static int
-BytesPerTexel(GLint format)
-{
-   return FormatTable[format].TexelSize;
-}
-
-
-static const char *
-FormatStr(GLenum format)
-{
-   switch (format) {
-      case GL_RGB:
-         return "GL_RGB";
-      case GL_RGBA:
-         return "GL_RGBA";
-      case GL_BGRA:
-         return "GL_BGRA";
-      case GL_LUMINANCE:
-         return "GL_LUMINANCE";
-      case GL_LUMINANCE_ALPHA:
-         return "GL_LUMINANCE_ALPHA";
-      case GL_ALPHA:
-         return "GL_ALPHA";
-      default:
-         return "";
-   }
-}
-
-
-static const char *
-TypeStr(GLenum type)
-{
-   switch (type) {
-      case GL_UNSIGNED_BYTE:
-         return "GL_UNSIGNED_BYTE";
-      case GL_UNSIGNED_SHORT:
-         return "GL_UNSIGNED_SHORT";
-      case GL_UNSIGNED_SHORT_5_6_5:
-         return "GL_UNSIGNED_SHORT_5_6_5";
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-         return "GL_UNSIGNED_SHORT_5_6_5_REV";
-      default:
-         return "";
-   }
-}
-
-/* On x86, there is a performance cliff for memcpy to texture memory
- * for sources below 64 byte alignment.  We do our best with this in
- * the driver, but it is better if the images are correctly aligned to
- * start with:
- */
-#define ALIGN (1<<12)
-
-static unsigned long align(unsigned long value, unsigned long a)
-{
-   return (value + a - 1) & ~(a-1);
-}
-
-static void
-MeasureDownloadRate(void)
-{
-   const int w = TexWidth + 2 * TexBorder;
-   const int h = TexHeight + 2 * TexBorder;
-   const int image_bytes = align(w * h * BytesPerTexel(Format), ALIGN);
-   const int bytes = image_bytes * NR_TEXOBJ;
-   GLubyte *orig_texImage, *orig_getImage;
-   GLubyte *texImage, *getImage;
-   GLdouble t0, t1, time;
-   int count;
-   int i;
-   int offset = 0;
-   GLdouble total = 0;		/* ints will tend to overflow */
-
-   printf("allocating %d bytes for %d %dx%d images\n",
-	  bytes, NR_TEXOBJ, w, h);
-
-   orig_texImage = (GLubyte *) malloc(bytes + ALIGN);
-   orig_getImage = (GLubyte *) malloc(image_bytes + ALIGN);
-   if (!orig_texImage || !orig_getImage) {
-      DownloadRate = 0.0;
-      return;
-   }
-
-   printf("alloc %p %p\n", orig_texImage, orig_getImage);
-
-   texImage = (GLubyte *)align((unsigned long)orig_texImage, ALIGN);
-   getImage = (GLubyte *)align((unsigned long)orig_getImage, ALIGN);   
-
-   for (i = 1; !(((unsigned long)texImage) & i); i<<=1)
-      ;
-   printf("texture image alignment: %d bytes (%p)\n", i, texImage);
-      
-   for (i = 0; i < bytes; i++) {
-      texImage[i] = i & 0xff;
-   }
-
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-   glPixelStorei(GL_PACK_ALIGNMENT, 1);
-
-   if (ScaleAndBias) {
-      glPixelTransferf(GL_RED_SCALE, 0.5);
-      glPixelTransferf(GL_GREEN_SCALE, 0.5);
-      glPixelTransferf(GL_BLUE_SCALE, 0.5);
-      glPixelTransferf(GL_RED_BIAS, 0.5);
-      glPixelTransferf(GL_GREEN_BIAS, 0.5);
-      glPixelTransferf(GL_BLUE_BIAS, 0.5);
-   }
-   else {
-      glPixelTransferf(GL_RED_SCALE, 1.0);
-      glPixelTransferf(GL_GREEN_SCALE, 1.0);
-      glPixelTransferf(GL_BLUE_SCALE, 1.0);
-      glPixelTransferf(GL_RED_BIAS, 0.0);
-      glPixelTransferf(GL_GREEN_BIAS, 0.0);
-      glPixelTransferf(GL_BLUE_BIAS, 0.0);
-   }
-
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-   glEnable(GL_TEXTURE_2D);
-
-   count = 0;
-   t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
-   do {
-      int img = count%NR_TEXOBJ;
-      GLubyte *img_ptr = texImage + img * image_bytes;
-
-      glBindTexture(GL_TEXTURE_2D, TexObj[img]);
-
-      if (SubImage && count > 0) {
-	 /* Only update a portion of the image each iteration.  This
-	  * is presumably why you'd want to use texsubimage, otherwise
-	  * you may as well just call teximage again.
-	  *
-	  * A bigger question is whether to use a pointer that moves
-	  * with each call, ie does the incoming data come from L2
-	  * cache under normal circumstances, or is it pulled from
-	  * uncached memory?  
-	  * 
-	  * There's a good argument to say L2 cache, ie you'd expect
-	  * the data to have been recently generated.  It's possible
-	  * that it could have come from a file read, which may or may
-	  * not have gone through the cpu.
-	  */
-         glTexSubImage2D(GL_TEXTURE_2D, 0, 
-			 -TexBorder, 
-			 -TexBorder + offset * h/8, 
-			 w, 
-			 h/8,
-                         FormatTable[Format].Format,
-                         FormatTable[Format].Type, 
-#if 1
-			 texImage /* likely in L2$ */
-#else
-			 img_ptr + offset * bytes/8 /* unlikely in L2$ */
-#endif
-	    );
-	 offset += 1;
-	 offset %= 8;
-	 total += w * h / 8;
-      }
-      else {
-         glTexImage2D(GL_TEXTURE_2D, 0,
-                      FormatTable[Format].IntFormat, w, h, TexBorder,
-                      FormatTable[Format].Format,
-                      FormatTable[Format].Type, 
-		      img_ptr);
-	 total += w*h;
-      }
-
-      /* draw a tiny polygon to force texture into texram */
-      glBegin(GL_TRIANGLES);
-      glTexCoord2f(0, 0);     glVertex2f(1, 1);
-      glTexCoord2f(1, 0);     glVertex2f(3, 1);
-      glTexCoord2f(0.5, 1);   glVertex2f(2, 3);
-      glEnd();
-
-      t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
-      time = t1 - t0;
-      count++;
-   } while (time < 3.0);
-
-   glDisable(GL_TEXTURE_2D);
-
-   printf("total texels=%f  time=%f\n", total, time);
-   DownloadRate = total / time;
-
-
-   free(orig_texImage); 
-   free(orig_getImage); 
-
-   {
-      GLint err = glGetError();
-      if (err)
-         printf("GL error %d\n", err);
-   }
-}
-
-
-static void
-PrintString(const char *s)
-{
-   while (*s) {
-      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
-      s++;
-   }
-}
-
-
-static void
-Display(void)
-{
-   const int w = TexWidth + 2 * TexBorder;
-   const int h = TexHeight + 2 * TexBorder;
-   char s[1000];
-
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glRasterPos2i(10, 80);
-   sprintf(s, "Texture size[cursor]: %d x %d  Border[b]: %d", w, h, TexBorder);
-   PrintString(s);
-
-   glRasterPos2i(10, 65);
-   sprintf(s, "Format[f]: %s  Type: %s  IntFormat: %s",
-           FormatStr(FormatTable[Format].Format),
-           TypeStr(  FormatTable[Format].Type),
-           FormatStr(FormatTable[Format].IntFormat));
-   PrintString(s);
-
-   glRasterPos2i(10, 50);
-   sprintf(s, "Pixel Scale&Bias[p]: %s   TexSubImage[s]: %s",
-           ScaleAndBias ? "Yes" : "No",
-           SubImage ? "Yes" : "No");
-   PrintString(s);
-
-   if (Mode == 0) {
-      glRasterPos2i(200, 10);
-      sprintf(s, "...Measuring...");
-      PrintString(s);
-      glutSwapBuffers();
-      glutPostRedisplay();
-      Mode++;
-   }
-   else if (Mode == 1) {
-      MeasureDownloadRate();
-      glutPostRedisplay();
-      Mode++;
-   }
-   else {
-      /* show results */
-      glRasterPos2i(10, 10);
-      sprintf(s, "Download rate: %g Mtexels/second  %g MB/second",
-              DownloadRate / 1000000.0,
-              DownloadRate * BytesPerTexel(Format) / 1000000.0);
-      PrintString(s);
-      {
-         GLint r, g, b, a, l, i;
-         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_RED_SIZE, &r);
-         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_GREEN_SIZE, &g);
-         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_BLUE_SIZE, &b);
-         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_ALPHA_SIZE, &a);
-         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_LUMINANCE_SIZE, &l);
-         glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_INTENSITY_SIZE, &i);
-         sprintf(s, "TexelBits: R=%d G=%d B=%d A=%d L=%d I=%d", r, g, b, a, l, i);
-         glRasterPos2i(10, 25);
-         PrintString(s);
-      }
-
-      glutSwapBuffers();
-   }
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport( 0, 0, width, height );
-   glMatrixMode( GL_PROJECTION );
-   glLoadIdentity();
-   glOrtho(0, width, 0, height, -1, 1);
-   glMatrixMode( GL_MODELVIEW );
-   glLoadIdentity();
-}
-
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case ' ':
-         Mode = 0;
-         break;
-      case 'b':
-         /* toggle border */
-         TexBorder = 1 - TexBorder;
-         Mode = 0;
-         break;
-      case 'f':
-         /* change format */
-         Format = (Format + 1) % NUM_FORMATS;
-         Mode = 0;
-         break;
-      case 'F':
-         /* change format */
-         Format = (Format - 1) % NUM_FORMATS;
-         Mode = 0;
-         break;
-      case 'p':
-         /* toggle border */
-         ScaleAndBias = !ScaleAndBias;
-         Mode = 0;
-         break;
-      case 's':
-         SubImage = !SubImage;
-         Mode = 0;
-         break;
-      case 27:
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (key) {
-      case GLUT_KEY_UP:
-         if (TexHeight < MaxSize)
-            TexHeight *= 2;
-         break;
-      case GLUT_KEY_DOWN:
-         if (TexHeight > 1)
-            TexHeight /= 2;
-         break;
-      case GLUT_KEY_LEFT:
-         if (TexWidth > 1)
-            TexWidth /= 2;
-         break;
-      case GLUT_KEY_RIGHT:
-         if (TexWidth < MaxSize)
-            TexWidth *= 2;
-         break;
-   }
-   Mode = 0;
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   printf("GL_VENDOR = %s\n", (const char *) glGetString(GL_VENDOR));
-   printf("GL_VERSION = %s\n", (const char *) glGetString(GL_VERSION));
-   printf("GL_RENDERER = %s\n", (const char *) glGetString(GL_RENDERER));
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 600, 100 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-   glutCreateWindow(argv[0]);
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutSpecialFunc( SpecialKey );
-   glutDisplayFunc( Display );
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/texobj.c b/progs/tests/texobj.c
deleted file mode 100644
index 40bce6e5695..00000000000
--- a/progs/tests/texobj.c
+++ /dev/null
@@ -1,284 +0,0 @@
-
-/*
- * Example of using the 1.1 texture object functions.
- * Also, this demo utilizes Mesa's fast texture map path.
- *
- * Brian Paul   June 1996   This file is in the public domain.
- */
-
-#include <assert.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "GL/glut.h"
-
-static GLuint Window = 0;
-
-static GLuint TexObj[2];
-static GLfloat Angle = 0.0f;
-static GLboolean UseObj = GL_FALSE;
-
-
-#if defined(GL_VERSION_1_1) || defined(GL_VERSION_1_2)
-#  define TEXTURE_OBJECT 1
-#elif defined(GL_EXT_texture_object)
-#  define TEXTURE_OBJECT 1
-#  define glBindTexture(A,B)     glBindTextureEXT(A,B)
-#  define glGenTextures(A,B)     glGenTexturesEXT(A,B)
-#  define glDeleteTextures(A,B)  glDeleteTexturesEXT(A,B)
-#endif
-
-
-
-
-static void draw( void )
-{
-   glClear( GL_COLOR_BUFFER_BIT );
-
-   glColor3f( 1.0, 1.0, 1.0 );
-
-   /* draw first polygon */
-   glPushMatrix();
-   glTranslatef( -1.0, 0.0, 0.0 );
-   glRotatef( Angle, 0.0, 0.0, 1.0 );
-   if (UseObj) {
-#ifdef TEXTURE_OBJECT
-      glBindTexture( GL_TEXTURE_2D, TexObj[0] );
-#endif
-   }
-   else {
-      glCallList( TexObj[0] );
-   }
-   glBegin( GL_POLYGON );
-   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
-   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
-   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
-   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
-   glEnd();
-   glPopMatrix();
-
-   /* draw second polygon */
-   glPushMatrix();
-   glTranslatef( 1.0, 0.0, 0.0 );
-   glRotatef( Angle-90.0, 0.0, 1.0, 0.0 );
-   if (UseObj) {
-#ifdef TEXTURE_OBJECT
-      glBindTexture( GL_TEXTURE_2D, TexObj[1] );
-#endif
-   }
-   else {
-      glCallList( TexObj[1] );
-   }
-   glBegin( GL_POLYGON );
-   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
-   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
-   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
-   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
-   glEnd();
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-
-static void idle( void )
-{
-   static double t0 = -1.;
-   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
-   if (t0 < 0.0)
-      t0 = t;
-   dt = t - t0;
-   t0 = t;
-   Angle += 120.0*dt;
-   glutPostRedisplay();
-}
-
-
-
-/* change view Angle, exit upon ESC */
-static void key(unsigned char k, int x, int y)
-{
-   (void) x;
-   (void) y;
-   switch (k) {
-      case 27:
-#ifdef TEXTURE_OBJECT
-         glDeleteTextures( 2, TexObj );
-#endif
-         glutDestroyWindow(Window);
-         exit(0);
-   }
-}
-
-
-
-/* new window size or exposure */
-static void reshape( int width, int height )
-{
-   glViewport(0, 0, (GLint)width, (GLint)height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   /*   glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
-   glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -8.0 );
-}
-
-
-static void init( void )
-{
-   static int width=8, height=8;
-   static GLubyte tex1[] = {
-     0, 0, 0, 0, 0, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 1, 1, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 0, 1, 0, 0, 0,
-     0, 0, 0, 1, 1, 1, 0, 0,
-     0, 0, 0, 0, 0, 0, 0, 0 };
-
-   static GLubyte tex2[] = {
-     0, 0, 0, 0, 0, 0, 0, 0,
-     0, 0, 0, 2, 2, 0, 0, 0,
-     0, 0, 2, 0, 0, 2, 0, 0,
-     0, 0, 0, 0, 0, 2, 0, 0,
-     0, 0, 0, 0, 2, 0, 0, 0,
-     0, 0, 0, 2, 0, 0, 0, 0,
-     0, 0, 2, 2, 2, 2, 0, 0,
-     0, 0, 0, 0, 0, 0, 0, 0 };
-
-   GLubyte tex[64][3];
-   GLint i, j;
-
-
-   glDisable( GL_DITHER );
-
-   /* Setup texturing */
-   glEnable( GL_TEXTURE_2D );
-   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
-   glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST );
-
-
-   /* generate texture object IDs */
-   if (UseObj) {
-#ifdef TEXTURE_OBJECT
-      glGenTextures( 2, TexObj );
-#endif
-   }
-   else {
-      TexObj[0] = glGenLists(2);
-      TexObj[1] = TexObj[0]+1;
-   }
-
-   /* setup first texture object */
-   if (UseObj) {
-#ifdef TEXTURE_OBJECT
-      glBindTexture( GL_TEXTURE_2D, TexObj[0] );
-      assert(glIsTexture(TexObj[0]));
-#endif
-   }
-   else {
-      glNewList( TexObj[0], GL_COMPILE );
-   }
-   /* red on white */
-   for (i=0;i<height;i++) {
-      for (j=0;j<width;j++) {
-         int p = i*width+j;
-         if (tex1[(height-i-1)*width+j]) {
-            tex[p][0] = 255;   tex[p][1] = 0;     tex[p][2] = 0;
-         }
-         else {
-            tex[p][0] = 255;   tex[p][1] = 255;   tex[p][2] = 255;
-         }
-      }
-   }
-
-   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
-                 GL_RGB, GL_UNSIGNED_BYTE, tex );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
-   if (!UseObj) {
-      glEndList();
-   }
-   /* end of texture object */
-
-   /* setup second texture object */
-   if (UseObj) {
-#ifdef TEXTURE_OBJECT
-      glBindTexture( GL_TEXTURE_2D, TexObj[1] );
-      assert(glIsTexture(TexObj[1]));
-#endif
-      assert(!glIsTexture(TexObj[1] + 999));
-   }
-   else {
-      glNewList( TexObj[1], GL_COMPILE );
-   }
-   /* green on blue */
-   for (i=0;i<height;i++) {
-      for (j=0;j<width;j++) {
-         int p = i*width+j;
-         if (tex2[(height-i-1)*width+j]) {
-            tex[p][0] = 0;     tex[p][1] = 255;   tex[p][2] = 0;
-         }
-         else {
-            tex[p][0] = 0;     tex[p][1] = 0;     tex[p][2] = 255;
-         }
-      }
-   }
-   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
-                 GL_RGB, GL_UNSIGNED_BYTE, tex );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
-   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
-   if (!UseObj) {
-      glEndList();
-   }
-   /* end texture object */
-
-}
-
-
-
-int main( int argc, char *argv[] )
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(300, 300);
-   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
-
-   Window = glutCreateWindow("Texture Objects");
-   if (!Window) {
-      exit(1);
-   }
-
-   /* check that renderer has the GL_EXT_texture_object extension
-    * or supports OpenGL 1.1
-    */
-#ifdef TEXTURE_OBJECT
-   {
-      char *exten = (char *) glGetString( GL_EXTENSIONS );
-      char *version = (char *) glGetString( GL_VERSION );
-      if (   strstr( exten, "GL_EXT_texture_object" )
-          || strncmp( version, "1.1", 3 )==0
-          || strncmp( version, "1.2", 3 )==0 ) {
-         UseObj = GL_TRUE;
-      }
-   }
-#endif
-
-   init();
-
-   glutReshapeFunc( reshape );
-   glutKeyboardFunc( key );
-   glutIdleFunc( idle );
-   glutDisplayFunc( draw );
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/zcomp.c b/progs/tests/zcomp.c
deleted file mode 100644
index 15e35f17b09..00000000000
--- a/progs/tests/zcomp.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/**
- * Test Z compositing with glDrawPixels(GL_DEPTH_COMPONENT) and stencil test.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include "../util/showbuffer.c"
-
-
-static int Win;
-static GLfloat Xrot = 0, Yrot = 0, Zpos = 6;
-static GLboolean Anim = GL_FALSE;
-
-static int Width = 400, Height = 200;
-static GLfloat *Zimg;
-static GLubyte *Cimg;
-static GLboolean showZ = 0;
-
-
-static void
-Idle(void)
-{
-   Xrot += 3.0;
-   Yrot += 4.0;
-   glutPostRedisplay();
-}
-
-
-/**
- * Draw first object, save color+Z images
- */
-static void
-DrawFirst(void)
-{
-   static const GLfloat red[4] = { 1.0, 0.0, 0.0, 0.0 };
-
-   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glPushMatrix();
-   glTranslatef(-1, 0, 0);
-   glRotatef(45 + Xrot, 1, 0, 0);
-
-   glutSolidTorus(0.75, 2.0, 10, 20);
-
-   glPopMatrix();
-
-   glReadPixels(0, 0, Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, Zimg);
-   glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, Cimg);
-}
-
-
-/**
- * Draw second object.
- */
-static void
-DrawSecond(void)
-{
-   static const GLfloat blue[4] = { 0.0, 0.0, 1.0, 0.0 };
-
-   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
-
-   glPushMatrix();
-   glTranslatef(+1, 0, 0);
-   glRotatef(-45 + Xrot, 1, 0, 0);
-
-   glutSolidTorus(0.75, 2.0, 10, 20);
-
-   glPopMatrix();
-}
-
-
-/**
- * Composite first/saved image over second rendering.
- */
-static void
-Composite(void)
-{
-   glWindowPos2i(0, 0);
-
-   /* Draw Z values, set stencil where Z test passes */
-   glEnable(GL_STENCIL_TEST);
-   glStencilFunc(GL_ALWAYS, 1, ~0);
-   glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
-   glColorMask(0,0,0,0);
-   glDrawPixels(Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, Zimg);
-   glColorMask(1,1,1,1);
-
-   /* Draw color where stencil==1 */
-   glStencilFunc(GL_EQUAL, 1, ~0);
-   glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
-   glDisable(GL_DEPTH_TEST);
-   glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, Cimg);
-   glEnable(GL_DEPTH_TEST);
-
-   glDisable(GL_STENCIL_TEST);
-}
-
-
-static void
-Draw(void)
-{
-   DrawFirst();
-   DrawSecond();
-   Composite();
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   GLfloat ar = (float) width / height;
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 30.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -15.0);
-
-   Width = width;
-   Height = height;
-
-   if (Zimg)
-      free(Zimg);
-   if (Cimg)
-      free(Cimg);
-   Zimg = (float *) malloc(width * height * 4);
-   Cimg = (GLubyte *) malloc(width * height * 4);
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   const GLfloat step = 1.0;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 'a':
-         Anim = !Anim;
-         if (Anim)
-            glutIdleFunc(Idle);
-         else
-            glutIdleFunc(NULL);
-         break;
-      case 'd':
-         showZ = !showZ;
-         break;
-      case 'z':
-         Zpos -= step;
-         break;
-      case 'Z':
-         Zpos += step;
-         break;
-      case 27:
-         glutDestroyWindow(Win);
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
-   const GLfloat step = 3.0;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case GLUT_KEY_UP:
-         Xrot -= step;
-         break;
-      case GLUT_KEY_DOWN:
-         Xrot += step;
-         break;
-      case GLUT_KEY_LEFT:
-         Yrot -= step;
-         break;
-      case GLUT_KEY_RIGHT:
-         Yrot += step;
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   /* setup lighting, etc */
-   glEnable(GL_DEPTH_TEST);
-   glEnable(GL_LIGHTING);
-   glEnable(GL_LIGHT0);
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(Width, Height);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutSpecialFunc(SpecialKey);
-   glutDisplayFunc(Draw);
-   if (Anim)
-      glutIdleFunc(Idle);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/tests/zdrawpix.c b/progs/tests/zdrawpix.c
deleted file mode 100644
index ba7da571ebf..00000000000
--- a/progs/tests/zdrawpix.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/**
- * Test glDrawPixels(GL_DEPTH_COMPONENT)
- *
- * We load a window-sized buffer of Z values so that Z=1 at the top and
- * Z=0 at the bottom (and interpolate between).
- * We draw that image into the Z buffer, then draw an ordinary cube.
- * The bottom part of the cube should be "clipped" where the cube fails
- * the Z test.
- *
- * Press 'd' to view the Z buffer as a grayscale image.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include "../util/showbuffer.c"
-
-
-static int Win;
-static GLfloat Xrot = 50, Yrot = 40, Zpos = 6;
-static GLboolean Anim = GL_FALSE;
-
-static int Width = 200, Height = 200;
-static GLfloat *z;
-static GLboolean showZ = 0;
-
-
-static void
-Idle(void)
-{
-   Xrot += 3.0;
-   Yrot += 4.0;
-   glutPostRedisplay();
-}
-
-
-static void
-Draw(void)
-{
-   glClearColor(0, 0, 0.5, 0);
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-#if 1
-   glColor3f(1, 0, 0);
-   glWindowPos2i(0,0);
-   glColorMask(0,0,0,0);
-   glDrawPixels(Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, z);
-#elif 0
-   glPushMatrix();
-   glTranslatef(-0.75, 0, Zpos);
-   glutSolidSphere(1.0, 20, 10);
-   glPopMatrix();
-#endif
-   glColorMask(1,1,1,1);
-
-   /* draw cube */
-   glPushMatrix();
-   glTranslatef(0, 0, Zpos);
-   glRotatef(Xrot, 1, 0, 0);
-   glRotatef(Yrot, 0, 1, 0);
-   glutSolidCube(2.0);
-   glPopMatrix();
-
-#if 0
-   /* drawpixels after cube */
-   glColor3f(1, 0, 0);
-   glWindowPos2i(0,0);
-   //glColorMask(0,0,0,0);
-   glDrawPixels(Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, z);
-#endif
-
-   if (showZ) {
-      ShowDepthBuffer(Width, Height, 0.0, 1.0);
-   }
-
-   glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 30.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -15.0);
-
-   Width = width;
-   Height = height;
-
-   z = (float *) malloc(width * height * 4);
-   {
-      int i, j, k = 0;
-      for (i = 0; i < height; i++) {
-         float zval = (float) i / (height - 1);
-         for (j = 0; j < width; j++) {
-            z[k++] = zval;
-         }
-      }
-   }
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-   const GLfloat step = 1.0;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case 'a':
-         Anim = !Anim;
-         if (Anim)
-            glutIdleFunc(Idle);
-         else
-            glutIdleFunc(NULL);
-         break;
-      case 'd':
-         showZ = !showZ;
-         break;
-      case 'z':
-         Zpos -= step;
-         break;
-      case 'Z':
-         Zpos += step;
-         break;
-      case 27:
-         glutDestroyWindow(Win);
-         exit(0);
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
-   const GLfloat step = 3.0;
-   (void) x;
-   (void) y;
-   switch (key) {
-      case GLUT_KEY_UP:
-         Xrot -= step;
-         break;
-      case GLUT_KEY_DOWN:
-         Xrot += step;
-         break;
-      case GLUT_KEY_LEFT:
-         Yrot -= step;
-         break;
-      case GLUT_KEY_RIGHT:
-         Yrot += step;
-         break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-Init(void)
-{
-   /* setup lighting, etc */
-   glEnable(GL_DEPTH_TEST);
-   glEnable(GL_LIGHTING);
-   glEnable(GL_LIGHT0);
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(400, 400);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
-   Win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutSpecialFunc(SpecialKey);
-   glutDisplayFunc(Draw);
-   if (Anim)
-      glutIdleFunc(Idle);
-   Init();
-   glutMainLoop();
-   return 0;
-}
diff --git a/progs/util/extfuncs.h b/progs/util/extfuncs.h
index 070414e2943..0469e2f2c4c 100644
--- a/progs/util/extfuncs.h
+++ b/progs/util/extfuncs.h
@@ -86,6 +86,57 @@ static PFNGLISVERTEXARRAYAPPLEPROC glIsVertexArrayAPPLE_func = NULL;
 /* GL_EXT_stencil_two_side */
 static PFNGLACTIVESTENCILFACEEXTPROC glActiveStencilFaceEXT_func = NULL;
 
+/* GL_ARB_buffer_object */
+static PFNGLGENBUFFERSARBPROC glGenBuffersARB_func = NULL;
+static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB_func = NULL;
+static PFNGLBINDBUFFERARBPROC glBindBufferARB_func = NULL;
+static PFNGLBUFFERDATAARBPROC glBufferDataARB_func = NULL;
+static PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB_func = NULL;
+static PFNGLMAPBUFFERARBPROC glMapBufferARB_func = NULL;
+static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB_func = NULL;
+
+/* GL_EXT_framebuffer_object */
+static PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT_func = NULL;
+static PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT_func = NULL;
+static PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT_func = NULL;
+static PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT_func = NULL;
+static PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT_func = NULL;
+static PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT_func = NULL;
+static PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT_func = NULL;
+static PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT_func = NULL;
+static PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT_func = NULL;
+static PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT_func = NULL;
+static PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT_func = NULL;
+static PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT_func = NULL;
+static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT_func = NULL;
+static PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT_func = NULL;
+
+/* GL_ARB_framebuffer_object */
+static PFNGLISRENDERBUFFERPROC glIsRenderbuffer_func = NULL;
+static PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer_func = NULL;
+static PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers_func = NULL;
+static PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers_func = NULL;
+static PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage_func = NULL;
+static PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv_func = NULL;
+static PFNGLISFRAMEBUFFERPROC glIsFramebuffer_func = NULL;
+static PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer_func = NULL;
+static PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers_func = NULL;
+static PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers_func = NULL;
+static PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D_func = NULL;
+static PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer_func = NULL;
+static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv_func = NULL;
+static PFNGLGENERATEMIPMAPPROC glGenerateMipmap_func = NULL;
+static PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer_func = NULL;
+static PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample_func = NULL;
+static PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer_func = NULL;
+
+
 
 static void
 GetExtensionFuncs(void)
@@ -173,5 +224,55 @@ GetExtensionFuncs(void)
 
    /* GL_EXT_stencil_two_side */
    glActiveStencilFaceEXT_func = (PFNGLACTIVESTENCILFACEEXTPROC) glutGetProcAddress("glActiveStencilFaceEXT");
+
+   /* GL_ARB_vertex_buffer_object */
+   glGenBuffersARB_func = (PFNGLGENBUFFERSARBPROC) glutGetProcAddress("glGenBuffersARB");
+   glDeleteBuffersARB_func = (PFNGLDELETEBUFFERSARBPROC) glutGetProcAddress("glDeleteBuffersARB");
+   glBindBufferARB_func = (PFNGLBINDBUFFERARBPROC) glutGetProcAddress("glBindBufferARB");
+   glBufferDataARB_func = (PFNGLBUFFERDATAARBPROC) glutGetProcAddress("glBufferDataARB");
+   glBufferSubDataARB_func = (PFNGLBUFFERSUBDATAARBPROC) glutGetProcAddress("glBufferSubDataARB");
+   glMapBufferARB_func = (PFNGLMAPBUFFERARBPROC) glutGetProcAddress("glMapBufferARB");
+   glUnmapBufferARB_func = (PFNGLUNMAPBUFFERARBPROC) glutGetProcAddress("glUnmapBufferARB");
+
+   /* GL_EXT_framebuffer_object */
+   glIsRenderbufferEXT_func = (PFNGLISRENDERBUFFEREXTPROC) glutGetProcAddress("glIsRenderbufferEXT");
+   glBindRenderbufferEXT_func = (PFNGLBINDRENDERBUFFEREXTPROC) glutGetProcAddress("glBindRenderbufferEXT");
+   glDeleteRenderbuffersEXT_func = (PFNGLDELETERENDERBUFFERSEXTPROC) glutGetProcAddress("glDeleteRenderbuffersEXT");
+   glGenRenderbuffersEXT_func = (PFNGLGENRENDERBUFFERSEXTPROC) glutGetProcAddress("glGenRenderbuffersEXT");
+   glRenderbufferStorageEXT_func = (PFNGLRENDERBUFFERSTORAGEEXTPROC) glutGetProcAddress("glRenderbufferStorageEXT");
+   glGetRenderbufferParameterivEXT_func = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) glutGetProcAddress("glGetRenderbufferParameterivEXT");
+   glIsFramebufferEXT_func = (PFNGLISFRAMEBUFFEREXTPROC) glutGetProcAddress("glIsFramebufferEXT");
+   glBindFramebufferEXT_func = (PFNGLBINDFRAMEBUFFEREXTPROC) glutGetProcAddress("glBindFramebufferEXT");
+   glDeleteFramebuffersEXT_func = (PFNGLDELETEFRAMEBUFFERSEXTPROC) glutGetProcAddress("glDeleteFramebuffersEXT");
+   glGenFramebuffersEXT_func = (PFNGLGENFRAMEBUFFERSEXTPROC) glutGetProcAddress("glGenFramebuffersEXT");
+   glCheckFramebufferStatusEXT_func = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) glutGetProcAddress("glCheckFramebufferStatusEXT");
+   glFramebufferTexture1DEXT_func = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) glutGetProcAddress("glFramebufferTexture1DEXT");
+   glFramebufferTexture2DEXT_func = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) glutGetProcAddress("glFramebufferTexture2DEXT");
+   glFramebufferTexture3DEXT_func = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) glutGetProcAddress("glFramebufferTexture3DEXT");
+   glFramebufferRenderbufferEXT_func = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) glutGetProcAddress("glFramebufferRenderbufferEXT");
+   glGetFramebufferAttachmentParameterivEXT_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) glutGetProcAddress("glGetFramebufferAttachmentParameterivEXT");
+   glGenerateMipmapEXT_func = (PFNGLGENERATEMIPMAPEXTPROC) glutGetProcAddress("glGenerateMipmapEXT");
+
+   /* GL_ARB_framebuffer_object */
+   glIsRenderbuffer_func = (PFNGLISRENDERBUFFERPROC) glutGetProcAddress("glIsRenderbuffer");
+   glBindRenderbuffer_func = (PFNGLBINDRENDERBUFFERPROC) glutGetProcAddress("glBindRenderbuffer");
+   glDeleteRenderbuffers_func = (PFNGLDELETERENDERBUFFERSPROC) glutGetProcAddress("glDeleteRenderbuffers");
+   glGenRenderbuffers_func = (PFNGLGENRENDERBUFFERSPROC) glutGetProcAddress("glGenRenderbuffers");
+   glRenderbufferStorage_func = (PFNGLRENDERBUFFERSTORAGEPROC) glutGetProcAddress("glRenderbufferStorage");
+   glGetRenderbufferParameteriv_func = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) glutGetProcAddress("glGetRenderbufferParameteriv");
+   glIsFramebuffer_func = (PFNGLISFRAMEBUFFERPROC) glutGetProcAddress("glIsFramebuffer");
+   glBindFramebuffer_func = (PFNGLBINDFRAMEBUFFERPROC) glutGetProcAddress("glBindFramebuffer");
+   glDeleteFramebuffers_func = (PFNGLDELETEFRAMEBUFFERSPROC) glutGetProcAddress("glDeleteFramebuffers");
+   glGenFramebuffers_func = (PFNGLGENFRAMEBUFFERSPROC) glutGetProcAddress("glGenFramebuffers");
+   glCheckFramebufferStatus_func = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) glutGetProcAddress("glCheckFramebufferStatus");
+   glFramebufferTexture1D_func = (PFNGLFRAMEBUFFERTEXTURE1DPROC) glutGetProcAddress("glFramebufferTexture1D");
+   glFramebufferTexture2D_func = (PFNGLFRAMEBUFFERTEXTURE2DPROC) glutGetProcAddress("glFramebufferTexture2D");
+   glFramebufferTexture3D_func = (PFNGLFRAMEBUFFERTEXTURE3DPROC) glutGetProcAddress("glFramebufferTexture3D");
+   glFramebufferRenderbuffer_func = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) glutGetProcAddress("glFramebufferRenderbuffer");
+   glGetFramebufferAttachmentParameteriv_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) glutGetProcAddress("glGetFramebufferAttachmentParameteriv");
+   glGenerateMipmap_func = (PFNGLGENERATEMIPMAPPROC) glutGetProcAddress("glGenerateMipmap");
+   glBlitFramebuffer_func = (PFNGLBLITFRAMEBUFFERPROC) glutGetProcAddress("glBlitFramebuffer");
+   glRenderbufferStorageMultisample_func = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) glutGetProcAddress("glRenderbufferStorageMultisample");
+   glFramebufferTextureLayer_func = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) glutGetProcAddress("glFramebufferTextureLayer");
 }
 
diff --git a/progs/wgl/sharedtex_mt/sharedtex_mt.c b/progs/wgl/sharedtex_mt/sharedtex_mt.c
index 010eb873b85..779e15001db 100644
--- a/progs/wgl/sharedtex_mt/sharedtex_mt.c
+++ b/progs/wgl/sharedtex_mt/sharedtex_mt.c
@@ -50,6 +50,7 @@ struct window {
    float Angle;
    int Id;
    HGLRC sharedContext;
+   HANDLE hEventInitialised;
 };
 
 
@@ -414,6 +415,10 @@ threadRunner (void *arg)
       Error("Couldn't obtain HDC");
    }
 
+   /* Wait for the previous thread */
+   if(tia->id > 0)
+      WaitForSingleObject(Windows[tia->id - 1].hEventInitialised, INFINITE);
+
    pfd.cColorBits = 24;
    pfd.cDepthBits = 24;
    pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
@@ -434,9 +439,16 @@ threadRunner (void *arg)
    }
 
    if (win->sharedContext) {
-      wglShareLists(win->sharedContext, win->Context);
+      if(!wglShareLists(win->sharedContext, win->Context))
+         Error("Couldn't share WGL context lists");
    }
 
+   SetEvent(win->hEventInitialised);
+
+   /* Wait for all threads to initialize otherwise wglShareLists will fail */
+   if(tia->id < NumWindows - 1)
+      WaitForSingleObject(Windows[NumWindows - 1].hEventInitialised, INFINITE);
+
    SendMessage(win->Win, WM_SIZE, 0, 0);
 
    while (1) {
@@ -511,20 +523,26 @@ main(int argc, char *argv[])
    h[2] = AddWindow( 10, 350, gCtx);
    h[3] = AddWindow(330, 350, gCtx);
 
-   if (!wglMakeCurrent(gHDC, gCtx)) {
-      Error("wglMakeCurrent failed for init thread.");
-      return -1;
+   for (i = 0; i < NumWindows; i++) {
+      Windows[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
    }
 
-   InitGLstuff();
-
    for (i = 0; i < NumWindows; i++) {
       DWORD id;
 
       tia[i].id = i;
       threads[i] = CreateThread(NULL, 0, threadRunner, &tia[i], 0, &id);
+
+      WaitForSingleObject(Windows[i].hEventInitialised, INFINITE);
+   }
+
+   if (!wglMakeCurrent(gHDC, gCtx)) {
+      Error("wglMakeCurrent failed for init thread.");
+      return -1;
    }
 
+   InitGLstuff();
+
    while (1) {
       MSG msg;
 
diff --git a/progs/wgl/wglthreads/wglthreads.c b/progs/wgl/wglthreads/wglthreads.c
index 9ca7f025dc3..27dca10f2a0 100644
--- a/progs/wgl/wglthreads/wglthreads.c
+++ b/progs/wgl/wglthreads/wglthreads.c
@@ -72,6 +72,7 @@ struct winthread {
    int WinWidth, WinHeight;
    GLboolean NewSize;
    HANDLE hEventInitialised;
+   GLboolean Initialized;
    GLboolean MakeNewTexture;
    HANDLE hEventRedraw;
 };
@@ -114,20 +115,20 @@ static void
 MakeNewTexture(struct winthread *wt)
 {
 #define TEX_SIZE 128
-   static float step = 0.0;
+   static float step = 0.0f;
    GLfloat image[TEX_SIZE][TEX_SIZE][4];
    GLint width;
    int i, j;
 
    for (j = 0; j < TEX_SIZE; j++) {
       for (i = 0; i < TEX_SIZE; i++) {
-         float dt = 5.0 * (j - 0.5 * TEX_SIZE) / TEX_SIZE;
-         float ds = 5.0 * (i - 0.5 * TEX_SIZE) / TEX_SIZE;
+         float dt = 5.0f * (j - 0.5f * TEX_SIZE) / TEX_SIZE;
+         float ds = 5.0f * (i - 0.5f * TEX_SIZE) / TEX_SIZE;
          float r = dt * dt + ds * ds + step;
          image[j][i][0] = 
          image[j][i][1] = 
-         image[j][i][2] = 0.75 + 0.25 * cos(r);
-         image[j][i][3] = 1.0;
+         image[j][i][2] = 0.75f + 0.25f * (float) cos(r);
+         image[j][i][3] = 1.0f;
       }
    }
 
@@ -159,7 +160,7 @@ static void
 draw_object(void)
 {
    glPushMatrix();
-   glScalef(0.75, 0.75, 0.75);
+   glScalef(0.75f, 0.75f, 0.75f);
 
    glColor3f(1, 0, 0);
 
@@ -288,6 +289,15 @@ draw_loop(struct winthread *wt)
 
       wglMakeCurrent(wt->hDC, wt->Context);
 
+      if (!wt->Initialized) {
+         printf("wglthreads: %d: GL_RENDERER = %s\n", wt->Index,
+                (char *) glGetString(GL_RENDERER));
+         if (Texture /*&& wt->Index == 0*/) {
+            MakeNewTexture(wt);
+         }
+         wt->Initialized = GL_TRUE;
+      }
+
       if (Locking)
          LeaveCriticalSection(&Mutex);
 
@@ -315,13 +325,15 @@ draw_loop(struct winthread *wt)
       glPushMatrix();
          glRotatef(wt->Angle, 0, 1, 0);
          glRotatef(wt->Angle, 1, 0, 0);
-         glScalef(0.7, 0.7, 0.7);
+         glScalef(0.7f, 0.7f, 0.7f);
          draw_object();
       glPopMatrix();
 
       if (Locking)
          EnterCriticalSection(&Mutex);
+
       SwapBuffers(wt->hDC);
+
       if (Locking)
          LeaveCriticalSection(&Mutex);
 
@@ -433,7 +445,7 @@ create_window(struct winthread *wt, HGLRC shareCtx)
    win = CreateWindowEx(0,
                         wc.lpszClassName,
                         "wglthreads",
-                        WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
+                        WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TILEDWINDOW,
                         xpos,
                         ypos,
                         width,
@@ -471,7 +483,8 @@ create_window(struct winthread *wt, HGLRC shareCtx)
    }
 
    if (shareCtx) {
-      wglShareLists(shareCtx, ctx);
+      if(!wglShareLists(shareCtx, ctx))
+         Error("Couldn't share WGL context lists");
    }
 
    /* save the info for this window/context */
@@ -482,14 +495,6 @@ create_window(struct winthread *wt, HGLRC shareCtx)
    wt->WinWidth = width;
    wt->WinHeight = height;
    wt->NewSize = GL_TRUE;
-
-   wglMakeCurrent(hdc, ctx);
-   printf("wglthreads: %d: GL_RENDERER = %s\n", wt->Index, (char *) glGetString(GL_RENDERER));
-   wglMakeCurrent(NULL, NULL);
-
-   if (Texture/* && wt->Index == 0*/) {
-      MakeNewTexture(wt);
-   }
 }
 
 
@@ -502,10 +507,22 @@ ThreadProc(void *p)
    struct winthread *wt = (struct winthread *) p;
    HGLRC share;
 
+   /* Wait for the previous thread */
+   if(Texture && wt->Index > 0) {
+      WaitForSingleObject(WinThreads[wt->Index - 1].hEventInitialised, INFINITE);
+      share = WinThreads[0].Context;
+   }
+   else
+      share = 0;
+
    share = (Texture && wt->Index > 0) ? WinThreads[0].Context : 0;
    create_window(wt, share);
    SetEvent(wt->hEventInitialised);
 
+   /* Wait for all threads to initialize otherwise wglShareLists will fail */
+   if(wt->Index < NumWinThreads - 1)
+      WaitForSingleObject(WinThreads[NumWinThreads - 1].hEventInitialised, INFINITE);
+
    draw_loop(wt);
    return 0;
 }
@@ -539,6 +556,7 @@ main(int argc, char *argv[])
    for (i = 1; i < argc; i++) {
       if (strcmp(argv[i], "-h") == 0) {
          usage();
+         exit(0);
       }
       else if (strcmp(argv[i], "-l") == 0) {
          Locking = 1;
@@ -588,13 +606,17 @@ main(int argc, char *argv[])
 
       printf("wglthreads: creating threads\n");
 
-      /* Create the threads */
+      /* Create the events */
       for (i = 0; i < NumWinThreads; i++) {
-         DWORD id;
-
          WinThreads[i].Index = i;
          WinThreads[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
          WinThreads[i].hEventRedraw = CreateEvent(NULL, FALSE, FALSE, NULL);
+      }
+
+      /* Create the threads */
+      for (i = 0; i < NumWinThreads; i++) {
+         DWORD id;
+
          WinThreads[i].Thread = CreateThread(NULL,
                                              0,
                                              ThreadProc,
@@ -603,8 +625,6 @@ main(int argc, char *argv[])
                                              &id);
          printf("wglthreads: Created thread %p\n", (void *) WinThreads[i].Thread);
 
-         WaitForSingleObject(WinThreads[i].hEventInitialised, INFINITE);
-
          threads[i] = WinThreads[i].Thread;
       }
 
diff --git a/progs/xdemos/glxcontexts.c b/progs/xdemos/glxcontexts.c
index a97b62a9081..481749be3d8 100644
--- a/progs/xdemos/glxcontexts.c
+++ b/progs/xdemos/glxcontexts.c
@@ -20,16 +20,17 @@
  */
 
 /*
- * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT)
- * Port by Brian Paul  23 March 2001
+ * Version of glxgears that creates/destroys the rendering context for each
+ * frame.  Also periodically destroy/recreate the window.
+ * Good for finding memory leaks, etc.
  *
  * Command line options:
  *    -info      print GL implementation information
- *    -stereo    use stereo enabled GLX visual
  *
  */
 
 
+#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -92,13 +93,8 @@ static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
 static GLint gear1, gear2, gear3;
 static GLfloat angle = 0.0;
 
-static GLboolean fullscreen = GL_FALSE;	/* Create a single fullscreen window */
-static GLboolean stereo = GL_FALSE;	/* Enable stereo.  */
-static GLfloat eyesep = 5.0;		/* Eye separation. */
-static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
-static GLfloat left, right, asp;	/* Stereo frustum params.  */
-
-   XVisualInfo *visinfo;
+static XVisualInfo *visinfo = NULL;
+static int WinWidth = 300, WinHeight = 300;
 
 
 /*
@@ -272,22 +268,13 @@ do_draw(void)
 }
 
 
-
 /* new window size or exposure */
 static void
 reshape(int width, int height)
 {
    glViewport(0, 0, (GLint) width, (GLint) height);
 
-   if (stereo) {
-      GLfloat w;
-
-      asp = (GLfloat) height / (GLfloat) width;
-      w = fix_point * (1.0 / 5.0);
-
-      left = -5.0 * ((w - 0.5 * eyesep) / fix_point);
-      right = 5.0 * ((w + 0.5 * eyesep) / fix_point);
-   } else {
+   {
       GLfloat h = (GLfloat) height / (GLfloat) width;
 
       glMatrixMode(GL_PROJECTION);
@@ -299,7 +286,6 @@ reshape(int width, int height)
    glLoadIdentity();
    glTranslatef(0.0, 0.0, -40.0);
 }
-   
 
 
 static void
@@ -337,7 +323,7 @@ init(void)
 
    glEnable(GL_NORMALIZE);
 }
-
+   
 
 static void
 draw( Display *dpy, Window win )
@@ -354,36 +340,9 @@ draw( Display *dpy, Window win )
 
    init();
 
-   if (stereo) {
-      /* First left eye.  */
-      glDrawBuffer(GL_BACK_LEFT);
-
-      glMatrixMode(GL_PROJECTION);
-      glLoadIdentity();
-      glFrustum(left, right, -asp, asp, 5.0, 60.0);
+   reshape(WinWidth, WinHeight);
 
-      glMatrixMode(GL_MODELVIEW);
-
-      glPushMatrix();
-      glTranslated(+0.5 * eyesep, 0.0, 0.0);
-      do_draw();
-      glPopMatrix();
-
-      /* Then right eye.  */
-      glDrawBuffer(GL_BACK_RIGHT);
-
-      glMatrixMode(GL_PROJECTION);
-      glLoadIdentity();
-      glFrustum(-right, -left, -asp, asp, 5.0, 60.0);
-
-      glMatrixMode(GL_MODELVIEW);
-
-      glPushMatrix();
-      glTranslated(-0.5 * eyesep, 0.0, 0.0);
-      do_draw();
-      glPopMatrix();
-   } else
-      do_draw();
+   do_draw();
 
    glDeleteLists(gear1, 1);
    glDeleteLists(gear2, 1);
@@ -410,14 +369,6 @@ make_window( Display *dpy, const char *name,
                      GLX_DOUBLEBUFFER,
                      GLX_DEPTH_SIZE, 1,
                      None };
-   int stereoAttribs[] = { GLX_RGBA,
-                           GLX_RED_SIZE, 1,
-                           GLX_GREEN_SIZE, 1,
-                           GLX_BLUE_SIZE, 1,
-                           GLX_DOUBLEBUFFER,
-                           GLX_DEPTH_SIZE, 1,
-                           GLX_STEREO,
-                           None };
    int scrnum;
    XSetWindowAttributes attr;
    unsigned long mask;
@@ -427,22 +378,9 @@ make_window( Display *dpy, const char *name,
    scrnum = DefaultScreen( dpy );
    root = RootWindow( dpy, scrnum );
 
-   if (fullscreen) {
-      x = 0; y = 0;
-      width = DisplayWidth( dpy, scrnum );
-      height = DisplayHeight( dpy, scrnum );
-   }
-
-   if (stereo)
-      visinfo = glXChooseVisual( dpy, scrnum, stereoAttribs );
-   else
-      visinfo = glXChooseVisual( dpy, scrnum, attribs );
+   visinfo = glXChooseVisual( dpy, scrnum, attribs );
    if (!visinfo) {
-      if (stereo) {
-         printf("Error: couldn't get an RGB, "
-                "Double-buffered, Stereo visual\n");
-      } else
-         printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
       exit(1);
    }
 
@@ -451,7 +389,7 @@ make_window( Display *dpy, const char *name,
    attr.border_pixel = 0;
    attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
    attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   attr.override_redirect = fullscreen;
+   attr.override_redirect = 0;
    mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
 
    win = XCreateWindow( dpy, root, x, y, width, height,
@@ -479,10 +417,9 @@ static void
 event_loop(Display *dpy)
 {
    Window win;
-   make_window(dpy, "glxgears", 0, 0, 300, 300, &win);
+   make_window(dpy, "glxgears", 0, 0, WinWidth, WinHeight, &win);
    XMapWindow(dpy, win);
 
-
    while (1) {
       while (XPending(dpy) > 0) {
          XEvent event;
@@ -492,34 +429,35 @@ event_loop(Display *dpy)
             /* we'll redraw below */
 	    break;
 	 case ConfigureNotify:
-	    reshape(event.xconfigure.width, event.xconfigure.height);
+            WinWidth = event.xconfigure.width;
+            WinHeight = event.xconfigure.height;
 	    break;
          case KeyPress:
-	 {
-	    char buffer[10];
-	    int r, code;
-	    code = XLookupKeysym(&event.xkey, 0);
-	    if (code == XK_Left) {
-	       view_roty += 5.0;
-	    }
-	    else if (code == XK_Right) {
-	       view_roty -= 5.0;
-	    }
-	    else if (code == XK_Up) {
-	       view_rotx += 5.0;
-	    }
-	    else if (code == XK_Down) {
-	       view_rotx -= 5.0;
-	    }
-	    else {
-	       r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-				 NULL, NULL);
-	       if (buffer[0] == 27) {
-		  /* escape */
-		  return;
-	       }
-	    }
-	 }
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
          }
       }
 
@@ -550,9 +488,12 @@ event_loop(Display *dpy)
             printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
                    fps);
             tRate0 = t;
-	    
+
+            /* Destroy window and create new one */	    
 	    XDestroyWindow(dpy, win);
-	    make_window(dpy, "glxgears", (int)(fps * 100) % 100, (int)(fps * 100) % 100, 300, 300, &win);
+	    make_window(dpy, "glxgears",
+                        (int)(fps * 100) % 100, (int)(fps * 100) % 100, /* x,y */
+                        WinWidth, WinHeight, &win);
 	    XMapWindow(dpy, win);
 
             frames = 0;
@@ -562,7 +503,6 @@ event_loop(Display *dpy)
 }
 
 
-
 int
 main(int argc, char *argv[])
 {
@@ -579,12 +519,6 @@ main(int argc, char *argv[])
       else if (strcmp(argv[i], "-info") == 0) {
          printInfo = GL_TRUE;
       }
-      else if (strcmp(argv[i], "-stereo") == 0) {
-         stereo = GL_TRUE;
-      }
-      else if (strcmp(argv[i], "-fullscreen") == 0) {
-         fullscreen = GL_TRUE;
-      }
       else
 	 printf("Warrning: unknown parameter: %s\n", argv[i]);
    }
@@ -596,7 +530,6 @@ main(int argc, char *argv[])
       return -1;
    }
 
-
    if (printInfo) {
       printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
       printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
@@ -604,7 +537,6 @@ main(int argc, char *argv[])
       printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
    }
 
-
    event_loop(dpy);
 
    XCloseDisplay(dpy);
diff --git a/scons/crossmingw.py b/scons/crossmingw.py
index bf81f16fd64..3aed4843502 100644
--- a/scons/crossmingw.py
+++ b/scons/crossmingw.py
@@ -108,7 +108,7 @@ def shlib_emitter(target, source, env):
     return (target, source)
                          
 
-shlib_action = SCons.Action.Action(shlib_generator, generator=1)
+shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1)
 
 res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
 
diff --git a/scons/dxsdk.py b/scons/dxsdk.py
new file mode 100644
index 00000000000..a369e1da10c
--- /dev/null
+++ b/scons/dxsdk.py
@@ -0,0 +1,66 @@
+"""dxsdk
+
+Tool-specific initialization for Microsoft DirectX SDK
+
+"""
+
+#
+# Copyright (c) 2009 VMware, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+import os
+import os.path
+
+import SCons.Errors
+import SCons.Util
+
+
+def get_dxsdk_root(env):
+    try:
+        return os.environ['DXSDK_DIR']
+    except KeyError:
+        return None
+
+def get_dxsdk_paths(env):
+    dxsdk_root = get_dxsdk_root(env)
+    if dxsdk_root is None:
+        raise SCons.Errors.InternalError, "DirectX SDK not found"
+
+    if env['machine'] in ('generic', 'x86'):
+        target_cpu = 'x86'
+    elif env['machine'] == 'x86_64':
+        target_cpu = 'x64'
+    else:
+        raise SCons.Errors.InternalError, "Unsupported target machine"
+    include_dir = 'Include'
+
+    env.Append(CPPDEFINES = [('HAVE_DXSDK', '1')])
+    env.Prepend(CPPPATH = [os.path.join(dxsdk_root, 'Include')])
+    env.Prepend(LIBPATH = [os.path.join(dxsdk_root, 'Lib', target_cpu)])
+
+def generate(env):
+    get_dxsdk_paths(env)
+
+def exists(env):
+    return get_dxsdk_root(env) is not None
+
+# vim:set ts=4 sw=4 et:
diff --git a/scons/gallium.py b/scons/gallium.py
index 0d5843603e9..ee45af50c29 100644
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -318,89 +318,78 @@ def generate(env):
     env.Append(CPPDEFINES = cppdefines)
 
     # C compiler options
-    cflags = []
+    cflags = [] # C
+    cxxflags = [] # C++
+    ccflags = [] # C & C++
     if gcc:
         if debug:
-            cflags += ['-O0', '-g3']
+            ccflags += ['-O0', '-g3']
         elif env['toolchain'] == 'crossmingw':
-            cflags += ['-O0', '-g3'] # mingw 4.2.1 optimizer is broken
+            ccflags += ['-O0', '-g3'] # mingw 4.2.1 optimizer is broken
         else:
-            cflags += ['-O3', '-g3']
+            ccflags += ['-O3', '-g3']
         if env['profile']:
-            cflags += ['-pg']
+            ccflags += ['-pg']
         if env['machine'] == 'x86':
-            cflags += [
+            ccflags += [
                 '-m32',
                 #'-march=pentium4',
                 '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
                 #'-mfpmath=sse',
             ]
         if env['machine'] == 'x86_64':
-            cflags += ['-m64']
+            ccflags += ['-m64']
         # See also:
         # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-        cflags += [
-            '-Werror=declaration-after-statement',
+        ccflags += [
             '-Wall',
-            '-Wmissing-prototypes',
             '-Wmissing-field-initializers',
             '-Wpointer-arith',
             '-Wno-long-long',
             '-ffast-math',
-            '-std=gnu99',
             '-fmessage-length=0', # be nice to Eclipse
         ]
+        cflags += [
+            '-Werror=declaration-after-statement',
+            '-Wmissing-prototypes',
+            '-std=gnu99',
+        ]
     if msvc:
         # See also:
         # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
         # - cl /?
         if debug:
-            cflags += [
+            ccflags += [
               '/Od', # disable optimizations
               '/Oi', # enable intrinsic functions
               '/Oy-', # disable frame pointer omission
               '/GL-', # disable whole program optimization
             ]
         else:
-            if env['machine'] == 'x86_64':
-                cflags += [
-                    # Same as /O2, but without global optimizations or auto-inlining
-                    # http://msdn.microsoft.com/en-us/library/8f8h5cxt.aspx
-                    '/Ob1', # enable inline expansion, disable auto-inlining
-                    '/Oi', # enable intrinsic functions
-                    '/Ot', # favors fast code
-                    '/Oy', # omit frame pointer
-                    '/Gs', # enable stack probes
-                    '/GF', # eliminate duplicate strings
-                    '/Gy', # enable function-level linking
-                ]
-            else:
-                cflags += [
-                    '/O2', # optimize for speed
-                ]
-            cflags += [
+            ccflags += [
+                '/O2', # optimize for speed
                 #'/fp:fast', # fast floating point 
             ]
         if env['profile']:
-            cflags += [
+            ccflags += [
                 '/Gh', # enable _penter hook function
                 '/GH', # enable _pexit hook function
             ]
-        cflags += [
+        ccflags += [
             '/W3', # warning level
             #'/Wp64', # enable 64 bit porting warnings
         ]
         if env['machine'] == 'x86':
-            cflags += [
+            ccflags += [
                 #'/QIfist', # Suppress _ftol
                 #'/arch:SSE2', # use the SSE2 instructions
             ]
         if platform == 'windows':
-            cflags += [
+            ccflags += [
                 # TODO
             ]
         if platform == 'winddk':
-            cflags += [
+            ccflags += [
                 '/Zl', # omit default library name in .OBJ
                 '/Zp8', # 8bytes struct member alignment
                 '/Gy', # separate functions for linker
@@ -419,7 +408,7 @@ def generate(env):
             ]
         if platform == 'wince':
             # See also C:\WINCE600\public\common\oak\misc\makefile.def
-            cflags += [
+            ccflags += [
                 '/Zl', # omit default library name in .OBJ
                 '/GF', # enable read-only string pooling
                 '/GR-', # disable C++ RTTI
@@ -436,8 +425,9 @@ def generate(env):
         # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
         env.EnsureSConsVersion(0, 98, 0)
         env['PDB'] = '${TARGET.base}.pdb'
+    env.Append(CCFLAGS = ccflags)
     env.Append(CFLAGS = cflags)
-    env.Append(CXXFLAGS = cflags)
+    env.Append(CXXFLAGS = cxxflags)
 
     if env['platform'] == 'windows' and msvc:
         # Choose the appropriate MSVC CRT
diff --git a/scons/generic.py b/scons/generic.py
index 29ddf76d6ff..a9c2244a74f 100644
--- a/scons/generic.py
+++ b/scons/generic.py
@@ -416,16 +416,18 @@ def generate(env):
         # See also:
         # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
         ccflags += [
-            '-Werror=declaration-after-statement',
             '-Wall',
-            '-Wmissing-prototypes',
             '-Wmissing-field-initializers',
             '-Wpointer-arith',
             '-Wno-long-long',
             '-ffast-math',
-            '-std=gnu99',
             '-fmessage-length=0', # be nice to Eclipse
         ]
+        cflags += [
+            '-Werror=declaration-after-statement',
+            '-Wmissing-prototypes',
+            '-std=gnu99',
+        ]
     if msvc:
         # See also:
         # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
diff --git a/src/gallium/auxiliary/draw/draw_pt_elts.c b/src/gallium/auxiliary/draw/draw_pt_elts.c
index b7780fb5073..88f4d9f495a 100644
--- a/src/gallium/auxiliary/draw/draw_pt_elts.c
+++ b/src/gallium/auxiliary/draw/draw_pt_elts.c
@@ -54,7 +54,8 @@ static unsigned elt_ubyte( const void *elts, unsigned idx )
 
 static unsigned elt_vert( const void *elts, unsigned idx )
 {
-   return (const ubyte *)elts - (const ubyte *)NULL + idx;
+   /* unsigned index is packed in the pointer */
+   return (unsigned)(uintptr_t)elts + idx;
 }
 
 pt_elt_func draw_pt_elt_func( struct draw_context *draw )
diff --git a/src/gallium/auxiliary/indices/u_indices.c b/src/gallium/auxiliary/indices/u_indices.c
index 0cf7d88653c..03d7453f303 100644
--- a/src/gallium/auxiliary/indices/u_indices.c
+++ b/src/gallium/auxiliary/indices/u_indices.c
@@ -244,7 +244,7 @@ int u_index_generator( unsigned hw_mask,
 
       default:
          assert(0);
-         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_generate = generate[out_idx][in_pv][out_pv][PIPE_PRIM_POINTS];
          *out_prim = PIPE_PRIM_POINTS;
          *out_nr = nr;
          return U_TRANSLATE_ERROR;
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
index 92b6fd00564..2590546cb4a 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
@@ -72,6 +72,12 @@ struct pb_desc
 
 
 /**
+ * Size. Regular (32bit) unsigned for now.
+ */
+typedef unsigned pb_size;
+
+
+/**
  * Base class for all pb_* buffers.
  */
 struct pb_buffer 
@@ -126,7 +132,7 @@ struct pb_vtbl
     */
    void (*get_base_buffer)( struct pb_buffer *buf,
                             struct pb_buffer **base_buf,
-                            unsigned *offset );
+                            pb_size *offset );
    
 };
 
@@ -177,7 +183,7 @@ pb_unmap(struct pb_buffer *buf)
 static INLINE void
 pb_get_base_buffer( struct pb_buffer *buf,
 		    struct pb_buffer **base_buf,
-		    unsigned *offset )
+		    pb_size *offset )
 {
    assert(buf);
    if(!buf) {
@@ -241,7 +247,7 @@ pb_reference(struct pb_buffer **dst,
  * the requested or not.
  */
 static INLINE boolean
-pb_check_alignment(size_t requested, size_t provided)
+pb_check_alignment(pb_size requested, pb_size provided)
 {
    if(!requested)
       return TRUE;
@@ -269,7 +275,7 @@ pb_check_usage(unsigned requested, unsigned provided)
  * hardware.
  */
 struct pb_buffer *
-pb_malloc_buffer_create(size_t size, 
+pb_malloc_buffer_create(pb_size size, 
                         const struct pb_desc *desc);
 
 
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
index 4698efa69cf..109ac7c9d63 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
@@ -65,11 +65,11 @@ struct fenced_buffer_list
    
    struct pb_fence_ops *ops;
    
-   size_t numDelayed;
+   pb_size numDelayed;
    struct list_head delayed;
    
 #ifdef DEBUG
-   size_t numUnfenced;
+   pb_size numUnfenced;
    struct list_head unfenced;
 #endif
 };
@@ -433,7 +433,7 @@ fenced_buffer_fence(struct pb_buffer *buf,
 static void
 fenced_buffer_get_base_buffer(struct pb_buffer *buf,
                               struct pb_buffer **base_buf,
-                              unsigned *offset)
+                              pb_size *offset)
 {
    struct fenced_buffer *fenced_buf = fenced_buffer(buf);
    pb_get_base_buffer(fenced_buf->buffer, base_buf, offset);
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c
index 689fd74771f..0760d607161 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_malloc.c
@@ -102,7 +102,7 @@ malloc_buffer_fence(struct pb_buffer *buf,
 static void
 malloc_buffer_get_base_buffer(struct pb_buffer *buf,
                               struct pb_buffer **base_buf,
-                              unsigned *offset)
+                              pb_size *offset)
 {
    *base_buf = buf;
    *offset = 0;
@@ -121,7 +121,7 @@ malloc_buffer_vtbl = {
 
 
 struct pb_buffer *
-pb_malloc_buffer_create(size_t size,
+pb_malloc_buffer_create(pb_size size,
                    	const struct pb_desc *desc) 
 {
    struct malloc_buffer *buf;
@@ -150,7 +150,7 @@ pb_malloc_buffer_create(size_t size,
 
 static struct pb_buffer *
 pb_malloc_bufmgr_create_buffer(struct pb_manager *mgr, 
-                               size_t size,
+                               pb_size size,
                                const struct pb_desc *desc) 
 {
    return pb_malloc_buffer_create(size, desc);
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h
index 74077f82774..39ab8e722c1 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h
@@ -73,7 +73,7 @@ struct pb_manager
 
    struct pb_buffer *
    (*create_buffer)( struct pb_manager *mgr, 
-	             size_t size,
+	             pb_size size,
 	             const struct pb_desc *desc);
 
    /**
@@ -106,7 +106,7 @@ pb_malloc_bufmgr_create(void);
  */
 struct pb_manager *
 pool_bufmgr_create(struct pb_manager *provider, 
-                   size_t n, size_t size,
+                   pb_size n, pb_size size,
                    const struct pb_desc *desc);
 
 
@@ -119,7 +119,7 @@ pool_bufmgr_create(struct pb_manager *provider,
  */
 struct pb_manager *
 mm_bufmgr_create(struct pb_manager *provider, 
-                 size_t size, size_t align2);
+                 pb_size size, pb_size align2);
 
 /**
  * Same as mm_bufmgr_create.
@@ -128,7 +128,7 @@ mm_bufmgr_create(struct pb_manager *provider,
  */
 struct pb_manager *
 mm_bufmgr_create_from_buffer(struct pb_buffer *buffer, 
-                             size_t size, size_t align2);
+                             pb_size size, pb_size align2);
 
 
 /**
@@ -136,8 +136,8 @@ mm_bufmgr_create_from_buffer(struct pb_buffer *buffer,
  */
 struct pb_manager *
 pb_slab_manager_create(struct pb_manager *provider,
-                       size_t bufSize,
-                       size_t slabSize,
+                       pb_size bufSize,
+                       pb_size slabSize,
                        const struct pb_desc *desc);
 
 /**
@@ -146,9 +146,9 @@ pb_slab_manager_create(struct pb_manager *provider,
  */
 struct pb_manager *
 pb_slab_range_manager_create(struct pb_manager *provider,
-                             size_t minBufSize,
-                             size_t maxBufSize,
-                             size_t slabSize,
+                             pb_size minBufSize,
+                             pb_size maxBufSize,
+                             pb_size slabSize,
                              const struct pb_desc *desc);
 
 
@@ -204,7 +204,7 @@ pb_ondemand_manager_create(struct pb_manager *provider);
  */
 struct pb_manager *
 pb_debug_manager_create(struct pb_manager *provider,
-                        size_t underflow_size, size_t overflow_size); 
+                        pb_size underflow_size, pb_size overflow_size); 
 
 
 #ifdef __cplusplus
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c
index db67d46c561..f60c836f18b 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c
@@ -60,7 +60,7 @@ pb_alt_manager(struct pb_manager *mgr)
 
 static struct pb_buffer *
 pb_alt_manager_create_buffer(struct pb_manager *_mgr, 
-                             size_t size,
+                             pb_size size,
                              const struct pb_desc *desc)
 {
    struct pb_alt_manager *mgr = pb_alt_manager(_mgr);
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
index 35358430b43..57d1ede45a4 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
@@ -81,7 +81,7 @@ struct pb_cache_manager
    pipe_mutex mutex;
    
    struct list_head delayed;
-   size_t numDelayed;
+   pb_size numDelayed;
 };
 
 
@@ -204,7 +204,7 @@ pb_cache_buffer_fence(struct pb_buffer *_buf,
 static void
 pb_cache_buffer_get_base_buffer(struct pb_buffer *_buf,
                               struct pb_buffer **base_buf,
-                              unsigned *offset)
+                              pb_size *offset)
 {
    struct pb_cache_buffer *buf = pb_cache_buffer(_buf);
    pb_get_base_buffer(buf->buffer, base_buf, offset);
@@ -224,7 +224,7 @@ pb_cache_buffer_vtbl = {
 
 static INLINE boolean
 pb_cache_is_buffer_compat(struct pb_cache_buffer *buf,  
-                          size_t size,
+                          pb_size size,
                           const struct pb_desc *desc)
 {
    if(buf->base.base.size < size)
@@ -246,7 +246,7 @@ pb_cache_is_buffer_compat(struct pb_cache_buffer *buf,
 
 static struct pb_buffer *
 pb_cache_manager_create_buffer(struct pb_manager *_mgr, 
-                               size_t size,
+                               pb_size size,
                                const struct pb_desc *desc)
 {
    struct pb_cache_manager *mgr = pb_cache_manager(_mgr);
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c
index cedf745bdac..1b4df28c707 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c
@@ -72,8 +72,8 @@ struct pb_debug_buffer
    struct pb_buffer *buffer;
    struct pb_debug_manager *mgr;
    
-   size_t underflow_size;
-   size_t overflow_size;
+   pb_size underflow_size;
+   pb_size overflow_size;
 
    struct debug_stack_frame create_backtrace[PB_DEBUG_CREATE_BACKTRACE];
 
@@ -91,8 +91,8 @@ struct pb_debug_manager
 
    struct pb_manager *provider;
 
-   size_t underflow_size;
-   size_t overflow_size;
+   pb_size underflow_size;
+   pb_size overflow_size;
    
    pipe_mutex mutex;
    struct list_head list;
@@ -124,9 +124,9 @@ static const uint8_t random_pattern[32] = {
 
 
 static INLINE void 
-fill_random_pattern(uint8_t *dst, size_t size)
+fill_random_pattern(uint8_t *dst, pb_size size)
 {
-   size_t i = 0;
+   pb_size i = 0;
    while(size--) {
       *dst++ = random_pattern[i++];
       i &= sizeof(random_pattern) - 1;
@@ -135,11 +135,11 @@ fill_random_pattern(uint8_t *dst, size_t size)
 
 
 static INLINE boolean 
-check_random_pattern(const uint8_t *dst, size_t size, 
-                     size_t *min_ofs, size_t *max_ofs) 
+check_random_pattern(const uint8_t *dst, pb_size size, 
+                     pb_size *min_ofs, pb_size *max_ofs) 
 {
    boolean result = TRUE;
-   size_t i;
+   pb_size i;
    *min_ofs = size;
    *max_ofs = 0;
    for(i = 0; i < size; ++i) {
@@ -183,7 +183,7 @@ pb_debug_buffer_check(struct pb_debug_buffer *buf)
    assert(map);
    if(map) {
       boolean underflow, overflow;
-      size_t min_ofs, max_ofs;
+      pb_size min_ofs, max_ofs;
       
       underflow = !check_random_pattern(map, buf->underflow_size, 
                                         &min_ofs, &max_ofs);
@@ -287,7 +287,7 @@ pb_debug_buffer_unmap(struct pb_buffer *_buf)
 static void
 pb_debug_buffer_get_base_buffer(struct pb_buffer *_buf,
                                 struct pb_buffer **base_buf,
-                                unsigned *offset)
+                                pb_size *offset)
 {
    struct pb_debug_buffer *buf = pb_debug_buffer(_buf);
    pb_get_base_buffer(buf->buffer, base_buf, offset);
@@ -363,13 +363,13 @@ pb_debug_manager_dump(struct pb_debug_manager *mgr)
 
 static struct pb_buffer *
 pb_debug_manager_create_buffer(struct pb_manager *_mgr, 
-                               size_t size,
+                               pb_size size,
                                const struct pb_desc *desc)
 {
    struct pb_debug_manager *mgr = pb_debug_manager(_mgr);
    struct pb_debug_buffer *buf;
    struct pb_desc real_desc;
-   size_t real_size;
+   pb_size real_size;
    
    buf = CALLOC_STRUCT(pb_debug_buffer);
    if(!buf)
@@ -455,7 +455,7 @@ pb_debug_manager_destroy(struct pb_manager *_mgr)
 
 struct pb_manager *
 pb_debug_manager_create(struct pb_manager *provider, 
-                        size_t underflow_size, size_t overflow_size) 
+                        pb_size underflow_size, pb_size overflow_size) 
 {
    struct pb_debug_manager *mgr;
 
@@ -485,7 +485,7 @@ pb_debug_manager_create(struct pb_manager *provider,
 
 struct pb_manager *
 pb_debug_manager_create(struct pb_manager *provider, 
-                        size_t underflow_size, size_t overflow_size) 
+                        pb_size underflow_size, pb_size overflow_size) 
 {
    return provider;
 }
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c
index 144db5669b6..97dd1427fda 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_fenced.c
@@ -62,7 +62,7 @@ fenced_pb_manager(struct pb_manager *mgr)
 
 static struct pb_buffer *
 fenced_bufmgr_create_buffer(struct pb_manager *mgr, 
-                            size_t size,
+                            pb_size size,
                             const struct pb_desc *desc)
 {
    struct fenced_pb_manager *fenced_mgr = fenced_pb_manager(mgr);
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
index 5a342fbf3b1..6400fc5b0a3 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c
@@ -55,10 +55,10 @@ struct mm_pb_manager
    
    pipe_mutex mutex;
    
-   size_t size;
+   pb_size size;
    struct mem_block *heap;
    
-   size_t align2;
+   pb_size align2;
    
    struct pb_buffer *buffer;
    void *map;
@@ -148,7 +148,7 @@ mm_buffer_fence(struct pb_buffer *buf,
 static void
 mm_buffer_get_base_buffer(struct pb_buffer *buf,
                           struct pb_buffer **base_buf,
-                          unsigned *offset)
+                          pb_size *offset)
 {
    struct mm_buffer *mm_buf = mm_buffer(buf);
    struct mm_pb_manager *mm = mm_buf->mgr;
@@ -170,15 +170,15 @@ mm_buffer_vtbl = {
 
 static struct pb_buffer *
 mm_bufmgr_create_buffer(struct pb_manager *mgr, 
-                        size_t size,
+                        pb_size size,
                         const struct pb_desc *desc)
 {
    struct mm_pb_manager *mm = mm_pb_manager(mgr);
    struct mm_buffer *mm_buf;
 
    /* We don't handle alignments larger then the one initially setup */
-   assert(pb_check_alignment(desc->alignment, 1 << mm->align2));
-   if(!pb_check_alignment(desc->alignment, 1 << mm->align2))
+   assert(pb_check_alignment(desc->alignment, (pb_size)1 << mm->align2));
+   if(!pb_check_alignment(desc->alignment, (pb_size)1 << mm->align2))
       return NULL;
    
    pipe_mutex_lock(mm->mutex);
@@ -198,10 +198,10 @@ mm_bufmgr_create_buffer(struct pb_manager *mgr,
    
    mm_buf->mgr = mm;
    
-   mm_buf->block = u_mmAllocMem(mm->heap, size, mm->align2, 0);
+   mm_buf->block = u_mmAllocMem(mm->heap, (int)size, (int)mm->align2, 0);
    if(!mm_buf->block) {
-      debug_printf("warning: heap full\n");
 #if 0
+      debug_printf("warning: heap full\n");
       mmDumpMemInfo(mm->heap);
 #endif
       FREE(mm_buf);
@@ -210,8 +210,8 @@ mm_bufmgr_create_buffer(struct pb_manager *mgr,
    }
    
    /* Some sanity checks */
-   assert(0 <= (unsigned)mm_buf->block->ofs && (unsigned)mm_buf->block->ofs < mm->size);
-   assert(size <= (unsigned)mm_buf->block->size && (unsigned)mm_buf->block->ofs + (unsigned)mm_buf->block->size <= mm->size);
+   assert(0 <= (pb_size)mm_buf->block->ofs && (pb_size)mm_buf->block->ofs < mm->size);
+   assert(size <= (pb_size)mm_buf->block->size && (pb_size)mm_buf->block->ofs + (pb_size)mm_buf->block->size <= mm->size);
    
    pipe_mutex_unlock(mm->mutex);
    return SUPER(mm_buf);
@@ -245,7 +245,7 @@ mm_bufmgr_destroy(struct pb_manager *mgr)
 
 struct pb_manager *
 mm_bufmgr_create_from_buffer(struct pb_buffer *buffer, 
-                             size_t size, size_t align2) 
+                             pb_size size, pb_size align2) 
 {
    struct mm_pb_manager *mm;
 
@@ -273,7 +273,7 @@ mm_bufmgr_create_from_buffer(struct pb_buffer *buffer,
    if(!mm->map)
       goto failure;
 
-   mm->heap = u_mmInit(0, size); 
+   mm->heap = u_mmInit(0, (int)size); 
    if (!mm->heap)
       goto failure;
 
@@ -292,7 +292,7 @@ if(mm->heap)
 
 struct pb_manager *
 mm_bufmgr_create(struct pb_manager *provider, 
-                 size_t size, size_t align2) 
+                 pb_size size, pb_size align2) 
 {
    struct pb_buffer *buffer;
    struct pb_manager *mgr;
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c
index 4f7e6b1c4df..bc3093f620f 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c
@@ -55,7 +55,7 @@ struct pb_ondemand_buffer
    
    /** Real buffer */
    struct pb_buffer *buffer;
-   size_t size;
+   pb_size size;
    struct pb_desc desc;
 };
 
@@ -204,7 +204,7 @@ pb_ondemand_buffer_fence(struct pb_buffer *_buf,
 static void
 pb_ondemand_buffer_get_base_buffer(struct pb_buffer *_buf,
                                    struct pb_buffer **base_buf,
-                                   unsigned *offset)
+                                   pb_size *offset)
 {
    struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf);
 
@@ -232,7 +232,7 @@ pb_ondemand_buffer_vtbl = {
 
 static struct pb_buffer *
 pb_ondemand_manager_create_buffer(struct pb_manager *_mgr, 
-                                  size_t size,
+                                  pb_size size,
                                   const struct pb_desc *desc) 
 {
    struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr);
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c
index 07fd1a22d93..7fd65ed2261 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_pool.c
@@ -58,11 +58,11 @@ struct pool_pb_manager
    
    pipe_mutex mutex;
    
-   size_t bufSize;
-   size_t bufAlign;
+   pb_size bufSize;
+   pb_size bufAlign;
    
-   size_t numFree;
-   size_t numTot;
+   pb_size numFree;
+   pb_size numTot;
    
    struct list_head free;
    
@@ -89,7 +89,7 @@ struct pool_buffer
    
    struct list_head head;
    
-   size_t start;
+   pb_size start;
 };
 
 
@@ -162,7 +162,7 @@ pool_buffer_fence(struct pb_buffer *buf,
 static void
 pool_buffer_get_base_buffer(struct pb_buffer *buf,
                             struct pb_buffer **base_buf,
-                            unsigned *offset)
+                            pb_size *offset)
 {
    struct pool_buffer *pool_buf = pool_buffer(buf);
    struct pool_pb_manager *pool = pool_buf->mgr;
@@ -184,7 +184,7 @@ pool_buffer_vtbl = {
 
 static struct pb_buffer *
 pool_bufmgr_create_buffer(struct pb_manager *mgr,
-                          size_t size,
+                          pb_size size,
                           const struct pb_desc *desc)
 {
    struct pool_pb_manager *pool = pool_pb_manager(mgr);
@@ -251,13 +251,13 @@ pool_bufmgr_destroy(struct pb_manager *mgr)
 
 struct pb_manager *
 pool_bufmgr_create(struct pb_manager *provider, 
-                   size_t numBufs, 
-                   size_t bufSize,
+                   pb_size numBufs, 
+                   pb_size bufSize,
                    const struct pb_desc *desc) 
 {
    struct pool_pb_manager *pool;
    struct pool_buffer *pool_buf;
-   size_t i;
+   pb_size i;
 
    if(!provider)
       return NULL;
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c
index 724aaadb436..e7352e90db9 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c
@@ -68,7 +68,7 @@ struct pb_slab_buffer
    unsigned mapCount;
    
    /** Offset relative to the start of the slab buffer. */
-   size_t start;
+   pb_size start;
    
    /** Use when validating, to signal that all mappings are finished */
    /* TODO: Actually validation does not reach this stage yet */
@@ -83,8 +83,8 @@ struct pb_slab
 {
    struct list_head head;
    struct list_head freeBuffers;
-   size_t numBuffers;
-   size_t numFree;
+   pb_size numBuffers;
+   pb_size numFree;
    
    struct pb_slab_buffer *buffers;
    struct pb_slab_manager *mgr;
@@ -108,10 +108,10 @@ struct pb_slab_manager
    struct pb_manager *provider;
    
    /** Size of the buffers we hand on downstream */
-   size_t bufSize;
+   pb_size bufSize;
    
    /** Size of the buffers we request upstream */
-   size_t slabSize;
+   pb_size slabSize;
    
    /** 
     * Alignment, usage to be used to allocate the slab buffers.
@@ -150,14 +150,14 @@ struct pb_slab_range_manager
 
    struct pb_manager *provider;
    
-   size_t minBufSize;
-   size_t maxBufSize;
+   pb_size minBufSize;
+   pb_size maxBufSize;
    
    /** @sa pb_slab_manager::desc */ 
    struct pb_desc desc;
    
    unsigned numBuckets;
-   size_t *bucketSizes;
+   pb_size *bucketSizes;
    
    /** Array of pb_slab_manager, one for each bucket size */
    struct pb_manager **buckets;
@@ -270,7 +270,7 @@ pb_slab_buffer_fence(struct pb_buffer *_buf,
 static void
 pb_slab_buffer_get_base_buffer(struct pb_buffer *_buf,
                                struct pb_buffer **base_buf,
-                               unsigned *offset)
+                               pb_size *offset)
 {
    struct pb_slab_buffer *buf = pb_slab_buffer(_buf);
    pb_get_base_buffer(buf->slab->bo, base_buf, offset);
@@ -369,7 +369,7 @@ out_err0:
 
 static struct pb_buffer *
 pb_slab_manager_create_buffer(struct pb_manager *_mgr,
-                              size_t size,
+                              pb_size size,
                               const struct pb_desc *desc)
 {
    struct pb_slab_manager *mgr = pb_slab_manager(_mgr);
@@ -450,8 +450,8 @@ pb_slab_manager_destroy(struct pb_manager *_mgr)
 
 struct pb_manager *
 pb_slab_manager_create(struct pb_manager *provider,
-                       size_t bufSize,
-                       size_t slabSize,
+                       pb_size bufSize,
+                       pb_size slabSize,
                        const struct pb_desc *desc)
 {
    struct pb_slab_manager *mgr;
@@ -479,11 +479,11 @@ pb_slab_manager_create(struct pb_manager *provider,
 
 static struct pb_buffer *
 pb_slab_range_manager_create_buffer(struct pb_manager *_mgr,
-                                    size_t size,
+                                    pb_size size,
                                     const struct pb_desc *desc)
 {
    struct pb_slab_range_manager *mgr = pb_slab_range_manager(_mgr);
-   size_t bufSize;
+   pb_size bufSize;
    unsigned i;
 
    bufSize = mgr->minBufSize;
@@ -527,13 +527,13 @@ pb_slab_range_manager_destroy(struct pb_manager *_mgr)
 
 struct pb_manager *
 pb_slab_range_manager_create(struct pb_manager *provider,
-                             size_t minBufSize,
-                             size_t maxBufSize,
-                             size_t slabSize,
+                             pb_size minBufSize,
+                             pb_size maxBufSize,
+                             pb_size slabSize,
                              const struct pb_desc *desc)
 {
    struct pb_slab_range_manager *mgr;
-   size_t bufSize;
+   pb_size bufSize;
    unsigned i;
 
    if(!provider)
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc.c b/src/gallium/auxiliary/rtasm/rtasm_ppc.c
index e3586482db4..ef4b306cb67 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_ppc.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_ppc.c
@@ -168,7 +168,7 @@ ppc_allocate_register(struct ppc_function *p)
 {
    unsigned i;
    for (i = 0; i < PPC_NUM_REGS; i++) {
-      const uint64_t mask = 1 << i;
+      const uint32_t mask = 1 << i;
       if ((p->reg_used & mask) == 0) {
          p->reg_used |= mask;
          return i;
@@ -200,7 +200,7 @@ ppc_allocate_fp_register(struct ppc_function *p)
 {
    unsigned i;
    for (i = 0; i < PPC_NUM_FP_REGS; i++) {
-      const uint64_t mask = 1 << i;
+      const uint32_t mask = 1 << i;
       if ((p->fp_used & mask) == 0) {
          p->fp_used |= mask;
          return i;
@@ -232,7 +232,7 @@ ppc_allocate_vec_register(struct ppc_function *p)
 {
    unsigned i;
    for (i = 0; i < PPC_NUM_VEC_REGS; i++) {
-      const uint64_t mask = 1 << i;
+      const uint32_t mask = 1 << i;
       if ((p->vec_used & mask) == 0) {
          p->vec_used |= mask;
          return i;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index a784b7cc3c1..76a09af18ee 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -27,6 +27,7 @@
 
 #include "util/u_debug.h"
 #include "util/u_string.h"
+#include "util/u_math.h"
 #include "tgsi_dump.h"
 #include "tgsi_info.h"
 #include "tgsi_iterate.h"
@@ -516,7 +517,7 @@ struct str_dump_ctx
    struct dump_ctx base;
    char *str;
    char *ptr;
-   size_t left;
+   int left;
 };
 
 static void
@@ -525,13 +526,20 @@ str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...)
    struct str_dump_ctx *sctx = (struct str_dump_ctx *)ctx;
    
    if(sctx->left > 1) {
-      size_t written;
+      int written;
       va_list ap;
       va_start(ap, format);
       written = util_vsnprintf(sctx->ptr, sctx->left, format, ap);
       va_end(ap);
-      sctx->ptr += written;
-      sctx->left -= written;
+
+      /* Some complicated logic needed to handle the return value of
+       * vsnprintf:
+       */
+      if (written > 0) {
+         written = MIN2(sctx->left, written);
+         sctx->ptr += written;
+         sctx->left -= written;
+      }
    }
 }
 
@@ -556,7 +564,7 @@ tgsi_dump_str(
    ctx.str = str;
    ctx.str[0] = 0;
    ctx.ptr = str;
-   ctx.left = size;
+   ctx.left = (int)size;
 
    tgsi_iterate_shader( tokens, &ctx.base.iter );
 }
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index 6fa13a8ce11..ca797486a0e 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1385,7 +1385,7 @@ set_vertex_data(struct gen_mipmap_state *ctx,
           * Not +/-1 to avoid cube face selection ambiguity near the edges,
           * though that can still sometimes happen with this scale factor...
           */
-         const float scale = 0.9999;
+         const float scale = 0.9999f;
          const float sc = (2.0f * st[i][0] - 1.0f) * scale;
          const float tc = (2.0f * st[i][1] - 1.0f) * scale;
 
diff --git a/src/gallium/auxiliary/util/u_snprintf.c b/src/gallium/auxiliary/util/u_snprintf.c
index 0d54299b28a..65bdd0df2b7 100644
--- a/src/gallium/auxiliary/util/u_snprintf.c
+++ b/src/gallium/auxiliary/util/u_snprintf.c
@@ -829,7 +829,7 @@ util_vsnprintf(char *str, size_t size, const char *format, va_list args)
 					break;
 				default:
 					intptr = va_arg(args, int *);
-					*intptr = len;
+					*intptr = (int)len;
 					break;
 				}
 				break;
diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c
index 512d85d3525..bd48ce70050 100644
--- a/src/gallium/drivers/cell/ppu/cell_screen.c
+++ b/src/gallium/drivers/cell/ppu/cell_screen.c
@@ -86,6 +86,8 @@ cell_get_param(struct pipe_screen *screen, int param)
       return 1; /* XXX not really true */
    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
       return 0; /* XXX to do */
+   case PIPE_CAP_TGSI_CONT_SUPPORTED:
+      return 1;
    default:
       return 0;
    }
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 62e8d99cfd0..86df320ea8a 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -126,6 +126,22 @@ softpipe_is_texture_referenced( struct pipe_context *pipe,
 				struct pipe_texture *texture,
 				unsigned face, unsigned level)
 {
+   struct softpipe_context *softpipe = softpipe_context( pipe );
+   unsigned i;
+
+   if(softpipe->dirty_render_cache) {
+      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
+         if(softpipe->framebuffer.cbufs[i] && 
+            softpipe->framebuffer.cbufs[i]->texture == texture)
+            return PIPE_REFERENCED_FOR_WRITE;
+      }
+      if(softpipe->framebuffer.zsbuf && 
+         softpipe->framebuffer.zsbuf->texture == texture)
+         return PIPE_REFERENCED_FOR_WRITE;
+   }
+   
+   /* FIXME: we also need to do the same for the texture cache */
+   
    return PIPE_UNREFERENCED;
 }
 
diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h
index 59d6df8f2dd..dffc15a4f19 100644
--- a/src/gallium/drivers/softpipe/sp_context.h
+++ b/src/gallium/drivers/softpipe/sp_context.h
@@ -144,6 +144,8 @@ struct softpipe_context {
    struct draw_stage *vbuf;
    struct softpipe_vbuf_render *vbuf_render;
 
+   boolean dirty_render_cache;
+   
    struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
    struct softpipe_tile_cache *zsbuf_cache;
 
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index f117096bf73..ba2766ff139 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -182,6 +182,8 @@ softpipe_draw_range_elements(struct pipe_context *pipe,
    /* Note: leave drawing surfaces mapped */
    softpipe_unmap_constant_buffers(sp);
 
+   sp->dirty_render_cache = TRUE;
+   
    return TRUE;
 }
 
diff --git a/src/gallium/drivers/softpipe/sp_flush.c b/src/gallium/drivers/softpipe/sp_flush.c
index 035f4b963eb..4a14d49686e 100644
--- a/src/gallium/drivers/softpipe/sp_flush.c
+++ b/src/gallium/drivers/softpipe/sp_flush.c
@@ -71,6 +71,8 @@ softpipe_flush( struct pipe_context *pipe,
        * to unmap surfaces when flushing.
        */
       softpipe_unmap_transfers(softpipe);
+      
+      softpipe->dirty_render_cache = FALSE;
    }
 
    /* Enable to dump BMPs of the color/depth buffers each frame */
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index a32fd3a1ba0..cc39d33ede6 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -87,6 +87,8 @@ softpipe_get_param(struct pipe_screen *screen, int param)
       return 8;  /* max 128x128x128 */
    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
       return 12; /* max 2Kx2K */
+   case PIPE_CAP_TGSI_CONT_SUPPORTED:
+      return 1;
    default:
       return 0;
    }
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index accc692b66f..e5be65242d6 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -444,7 +444,8 @@ static void flush_spans( struct setup_context *setup )
             mask |= MASK_TOP_RIGHT;
          if (x+1 >= xleft1 && x+1 < xright1)
             mask |= MASK_BOTTOM_RIGHT;
-         EMIT_QUAD( setup, x, setup->span.y, mask );
+         if (mask)
+            EMIT_QUAD( setup, x, setup->span.y, mask );
       }
       break;
 
@@ -458,7 +459,8 @@ static void flush_spans( struct setup_context *setup )
             mask |= MASK_TOP_LEFT;
          if (x+1 >= xleft0 && x+1 < xright0)
             mask |= MASK_TOP_RIGHT;
-         EMIT_QUAD( setup, x, setup->span.y, mask );
+         if (mask)
+            EMIT_QUAD( setup, x, setup->span.y, mask );
       }
       break;
 
@@ -472,7 +474,8 @@ static void flush_spans( struct setup_context *setup )
             mask |= MASK_BOTTOM_LEFT;
          if (x+1 >= xleft1 && x+1 < xright1)
             mask |= MASK_BOTTOM_RIGHT;
-         EMIT_QUAD( setup, x, setup->span.y, mask );
+         if (mask)
+            EMIT_QUAD( setup, x, setup->span.y, mask );
       }
       break;
 
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index adbd0cb7f0c..5de358dae93 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -744,7 +744,9 @@ shadow_compare(uint compare_func,
       break;
    }
 
+   /* XXX returning result for default GL_DEPTH_TEXTURE_MODE = GL_LUMINANCE */
    rgba[0][j] = rgba[1][j] = rgba[2][j] = (float) k;
+   rgba[3][j] = 1.0F;
 }
 
 
diff --git a/src/gallium/drivers/trace/tr_dump.c b/src/gallium/drivers/trace/tr_dump.c
index 3a1409e95a7..643587ab427 100644
--- a/src/gallium/drivers/trace/tr_dump.c
+++ b/src/gallium/drivers/trace/tr_dump.c
@@ -451,11 +451,11 @@ void trace_dump_float(double value)
 }
 
 void trace_dump_bytes(const void *data,
-                      long unsigned size)
+                      size_t size)
 {
    static const char hex_table[16] = "0123456789ABCDEF";
    const uint8_t *p = data;
-   long unsigned i;
+   size_t i;
 
    if (!dumping)
       return;
diff --git a/src/gallium/drivers/trace/tr_dump.h b/src/gallium/drivers/trace/tr_dump.h
index 31ac70802f0..32592bab12f 100644
--- a/src/gallium/drivers/trace/tr_dump.h
+++ b/src/gallium/drivers/trace/tr_dump.h
@@ -91,7 +91,7 @@ void trace_dump_bool(int value);
 void trace_dump_int(long long int value);
 void trace_dump_uint(long long unsigned value);
 void trace_dump_float(double value);
-void trace_dump_bytes(const void *data, long unsigned size);
+void trace_dump_bytes(const void *data, size_t size);
 void trace_dump_string(const char *str);
 void trace_dump_enum(const char *value);
 void trace_dump_array_begin(void);
@@ -130,7 +130,7 @@ void trace_dump_transfer_ptr(struct pipe_transfer *_transfer);
 
 #define trace_dump_array(_type, _obj, _size) \
    do { \
-      unsigned long idx; \
+      size_t idx; \
       trace_dump_array_begin(); \
       for(idx = 0; idx < (_size); ++idx) { \
          trace_dump_elem_begin(); \
@@ -142,7 +142,7 @@ void trace_dump_transfer_ptr(struct pipe_transfer *_transfer);
 
 #define trace_dump_struct_array(_type, _obj, _size) \
    do { \
-      unsigned long idx; \
+      size_t idx; \
       trace_dump_array_begin(); \
       for(idx = 0; idx < (_size); ++idx) { \
          trace_dump_elem_begin(); \
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 82e23c413c8..ab57ed73c4c 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -310,6 +310,7 @@ enum pipe_transfer_usage {
 #define PIPE_CAP_TEXTURE_MIRROR_CLAMP    24
 #define PIPE_CAP_TEXTURE_MIRROR_REPEAT   25
 #define PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS 26
+#define PIPE_CAP_TGSI_CONT_SUPPORTED     27
 
 
 /**
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index a279eefef9e..c4469d4a9e9 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -536,14 +536,40 @@ pf_get_nblocks(const struct pipe_format_block *block, unsigned width, unsigned h
    return pf_get_nblocksx(block, width)*pf_get_nblocksy(block, height);
 }
 
+static INLINE size_t
+pf_get_stride(const struct pipe_format_block *block, unsigned width)
+{
+   return pf_get_nblocksx(block, width)*block->size;
+}
+
+static INLINE size_t
+pf_get_2d_size(const struct pipe_format_block *block, size_t stride, unsigned height)
+{
+   return pf_get_nblocksy(block, height)*stride;
+}
+
 static INLINE boolean 
-pf_is_depth_stencil( enum pipe_format format )
+pf_is_depth_or_stencil( enum pipe_format format )
 {
    return (pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) +
            pf_get_component_bits( format, PIPE_FORMAT_COMP_S )) != 0;
 }
 
 static INLINE boolean 
+pf_is_depth_and_stencil( enum pipe_format format )
+{
+   return (pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) != 0 &&
+           pf_get_component_bits( format, PIPE_FORMAT_COMP_S ) != 0);
+}
+
+/** DEPRECATED: For backwards compatibility */
+static INLINE boolean
+pf_is_depth_stencil( enum pipe_format format )
+{
+   return pf_is_depth_or_stencil( format );
+}
+
+static INLINE boolean 
 pf_is_compressed( enum pipe_format format )
 {
    return pf_layout(format) == PIPE_FORMAT_LAYOUT_DXT ? TRUE : FALSE;
diff --git a/src/gallium/include/pipe/p_refcnt.h b/src/gallium/include/pipe/p_refcnt.h
index 1f89453e09a..1f9088b3e9c 100644
--- a/src/gallium/include/pipe/p_refcnt.h
+++ b/src/gallium/include/pipe/p_refcnt.h
@@ -62,29 +62,29 @@ pipe_is_referenced(struct pipe_reference *reference)
  * Set 'ptr' to point to 'reference' and update reference counting.
  * The old thing pointed to, if any, will be unreferenced first.
  * 'reference' may be NULL.
- *
- * XXX: thread safety issues!
  */
 static INLINE bool
 pipe_reference(struct pipe_reference **ptr, struct pipe_reference *reference)
 {
    bool destroy = FALSE;
 
-   /* bump the reference.count first */
-   if (reference) {
-      assert(pipe_is_referenced(reference));
-      p_atomic_inc(&reference->count);
-   }
-
-   if (*ptr) {
-      assert(pipe_is_referenced(*ptr));
-      if (p_atomic_dec_zero(&(*ptr)->count)) {
-         destroy = TRUE;
+   if(*ptr != reference) {
+      /* bump the reference.count first */
+      if (reference) {
+         assert(pipe_is_referenced(reference));
+         p_atomic_inc(&reference->count);
       }
+   
+      if (*ptr) {
+         assert(pipe_is_referenced(*ptr));
+         if (p_atomic_dec_zero(&(*ptr)->count)) {
+            destroy = TRUE;
+         }
+      }
+   
+      *ptr = reference;
    }
 
-   *ptr = reference;
-
    return destroy;
 }
 
diff --git a/src/gallium/include/pipe/p_thread.h b/src/gallium/include/pipe/p_thread.h
index de55e99ed49..ce8d79549ad 100644
--- a/src/gallium/include/pipe/p_thread.h
+++ b/src/gallium/include/pipe/p_thread.h
@@ -36,6 +36,7 @@
 
 
 #include "pipe/p_compiler.h"
+#include "util/u_debug.h" /* for assert */
 
 
 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 15a2088df51..5846390d02c 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -231,7 +231,6 @@ dri_create_buffer(__DRIscreenPrivate * sPriv,
    if (visual->depthBits) {
       if (pscreen->is_format_supported(pscreen, PIPE_FORMAT_Z24S8_UNORM,
 				       PIPE_TEXTURE_2D,
-				       PIPE_TEXTURE_USAGE_RENDER_TARGET |
 				       PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0))
 	 depthFormat = PIPE_FORMAT_Z24S8_UNORM;
       else
@@ -242,7 +241,6 @@ dri_create_buffer(__DRIscreenPrivate * sPriv,
    if (visual->stencilBits) {
       if (pscreen->is_format_supported(pscreen, PIPE_FORMAT_Z24S8_UNORM,
 				       PIPE_TEXTURE_2D,
-				       PIPE_TEXTURE_USAGE_RENDER_TARGET |
 				       PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0))
 	 stencilFormat = PIPE_FORMAT_Z24S8_UNORM;
       else
diff --git a/src/gallium/state_trackers/glx/xlib/fakeglx.c b/src/gallium/state_trackers/glx/xlib/fakeglx.c
index 65e7048188e..6df4c7d6936 100644
--- a/src/gallium/state_trackers/glx/xlib/fakeglx.c
+++ b/src/gallium/state_trackers/glx/xlib/fakeglx.c
@@ -1817,7 +1817,7 @@ Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap,
    if (!dpy || !config || !pixmap)
       return 0;
 
-   for (attr = attribList; *attr; attr++) {
+   for (attr = attribList; attr && *attr; attr++) {
       switch (*attr) {
       case GLX_TEXTURE_FORMAT_EXT:
          attr++;
diff --git a/src/gallium/state_trackers/python/retrace/interpreter.py b/src/gallium/state_trackers/python/retrace/interpreter.py
index 5d4d04498b2..5885e162c28 100755
--- a/src/gallium/state_trackers/python/retrace/interpreter.py
+++ b/src/gallium/state_trackers/python/retrace/interpreter.py
@@ -43,19 +43,27 @@ except ImportError:
         return struct.unpack(fmt, buf[offset:offset + size])
 
 
-def make_image(surface):
+def make_image(surface, x=None, y=None, w=None, h=None):
+    if x is None:
+        x = 0
+    if y is None:
+        y = 0
+    if w is None:
+        w = surface.width - x
+    if h is None:
+        h = surface.height - y
     data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
 
     import Image
     outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
     return outimage
 
-def save_image(filename, surface):
-    outimage = make_image(surface)
+def save_image(filename, surface, x=None, y=None, w=None, h=None):
+    outimage = make_image(surface, x, y, w, h)
     outimage.save(filename, "PNG")
 
-def show_image(surface, title):
-    outimage = make_image(surface)
+def show_image(surface, title, x=None, y=None, w=None, h=None):
+    outimage = make_image(surface, x, y, w, h)
     
     import Tkinter as tk
     from PIL import Image, ImageTk
@@ -305,7 +313,11 @@ class Screen(Object):
     def get_tex_transfer(self, texture, face, level, zslice, usage, x, y, w, h):
         if texture is None:
             return None
-        return Transfer(texture.get_surface(face, level, zslice), x, y, w, h)
+        transfer = Transfer(texture.get_surface(face, level, zslice), x, y, w, h)
+        if transfer and usage != gallium.PIPE_TRANSFER_WRITE:
+            if self.interpreter.options.all:
+                self.interpreter.present(transfer.surface, 'transf_read', x, y, w, h)
+        return transfer
     
     def tex_transfer_destroy(self, transfer):
         self.interpreter.unregister_object(transfer)
@@ -314,6 +326,8 @@ class Screen(Object):
         if transfer is None:
             return
         transfer.surface.put_tile_raw(transfer.x, transfer.y, transfer.w, transfer.h, data, stride)
+        if self.interpreter.options.all:
+            self.interpreter.present(transfer.surface, 'transf_write', transfer.x, transfer.y, transfer.w, transfer.h)
 
     def user_buffer_create(self, data, size):
         # We don't really care to distinguish between user and regular buffers
@@ -577,6 +591,14 @@ class Context(Object):
         self.real.draw_range_elements(indexBuffer, indexSize, minIndex, maxIndex, mode, start, count)
         self._set_dirty()
         
+    def is_texture_referenced(self, texture, face, level):
+        #return self.real.is_texture_referenced(format, texture, face, level)
+        pass
+    
+    def is_buffer_referenced(self, buf):
+        #return self.real.is_buffer_referenced(format, buf)
+        pass
+    
     def _set_dirty(self):
         if self.interpreter.options.step:
             self._present()
@@ -602,6 +624,9 @@ class Context(Object):
     
         if self.cbufs and self.cbufs[0]:
             self.interpreter.present(self.cbufs[0], "cbuf")
+        if self.zsbuf:
+            if self.interpreter.options.all:
+                self.interpreter.present(self.zsbuf, "zsbuf")
     
 
 class Interpreter(parser.TraceDumper):
@@ -671,16 +696,16 @@ class Interpreter(parser.TraceDumper):
     def verbosity(self, level):
         return self.options.verbosity >= level
 
-    def present(self, surface, description):
+    def present(self, surface, description, x=None, y=None, w=None, h=None):
         if self.call_no < self.options.start:
             return
 
         if self.options.images:
-            filename = '%s_%04u.png' % (description, self.call_no)
-            save_image(filename, surface)
+            filename = '%04u_%s.png' % (self.call_no, description)
+            save_image(filename, surface, x, y, w, h)
         else:
             title = '%u. %s' % (self.call_no, description)
-            show_image(surface, title)
+            show_image(surface, title, x, y, w, h)
     
 
 class Main(parser.Main):
@@ -690,6 +715,7 @@ class Main(parser.Main):
         optparser.add_option("-q", "--quiet", action="store_const", const=0, dest="verbosity", help="no messages")
         optparser.add_option("-v", "--verbose", action="count", dest="verbosity", default=1, help="increase verbosity level")
         optparser.add_option("-i", "--images", action="store_true", dest="images", default=False, help="save images instead of showing them")
+        optparser.add_option("-a", "--all", action="store_true", dest="all", default=False, help="show depth, stencil, and transfers")
         optparser.add_option("-s", "--step", action="store_true", dest="step", default=False, help="step trhough every draw")
         optparser.add_option("-f", "--from", action="store", type="int", dest="start", default=0, help="from call no")
         optparser.add_option("-t", "--to", action="store", type="int", dest="stop", default=0, help="until call no")
diff --git a/src/gallium/state_trackers/python/tests/base.py b/src/gallium/state_trackers/python/tests/base.py
index 1fa7fe6f3b3..202ccfc3509 100755
--- a/src/gallium/state_trackers/python/tests/base.py
+++ b/src/gallium/state_trackers/python/tests/base.py
@@ -46,6 +46,14 @@ for name, value in globals().items():
     if name.startswith("PIPE_FORMAT_") and isinstance(value, int):
         formats[value] = name
 
+def is_depth_stencil_format(format):
+    # FIXME: make and use binding to pf_is_depth_stencil
+    return format in (
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+    )
 
 def make_image(width, height, rgba):
     import Image
diff --git a/src/gallium/state_trackers/python/tests/texture_sample.py b/src/gallium/state_trackers/python/tests/texture_sample.py
index a382424667c..c7b78abbbec 100755
--- a/src/gallium/state_trackers/python/tests/texture_sample.py
+++ b/src/gallium/state_trackers/python/tests/texture_sample.py
@@ -99,7 +99,7 @@ def is_pot(n):
     return n & (n - 1) == 0
       
                 
-class TextureTest(TestCase):
+class TextureColorSampleTest(TestCase):
     
     tags = (
         'target',
@@ -286,6 +286,206 @@ class TextureTest(TestCase):
         self.assert_rgba(cbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
         
 
+class TextureDepthSampleTest(TestCase):
+    
+    tags = (
+        'target',
+        'format',
+        'width',
+        'height',
+        'depth',
+        'last_level',
+        'face',
+        'level',
+        'zslice',
+    )
+
+    def test(self):
+        dev = self.dev
+        
+        target = self.target
+        format = self.format
+        width = self.width
+        height = self.height
+        depth = self.depth
+        last_level = self.last_level
+        face = self.face
+        level = self.level
+        zslice = self.zslice
+        
+        tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
+        geom_flags = 0
+        if width != height:
+            geom_flags |= PIPE_TEXTURE_GEOM_NON_SQUARE
+        if not is_pot(width) or not is_pot(height) or not is_pot(depth):
+            geom_flags |= PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO
+        
+        if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+            raise TestSkip
+        
+        ctx = self.dev.context_create()
+    
+        # disabled blending/masking
+        blend = Blend()
+        blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.colormask = PIPE_MASK_RGBA
+        ctx.set_blend(blend)
+    
+        # depth/stencil/alpha
+        depth_stencil_alpha = DepthStencilAlpha()
+        depth_stencil_alpha.depth.enabled = 1
+        depth_stencil_alpha.depth.writemask = 1
+        depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
+        ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+    
+        # rasterizer
+        rasterizer = Rasterizer()
+        rasterizer.front_winding = PIPE_WINDING_CW
+        rasterizer.cull_mode = PIPE_WINDING_NONE
+        rasterizer.bypass_vs_clip_and_viewport = 1
+        ctx.set_rasterizer(rasterizer)
+    
+        # samplers
+        sampler = Sampler()
+        sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.normalized_coords = 1
+        sampler.min_lod = 0
+        sampler.max_lod = PIPE_MAX_TEXTURE_LEVELS - 1
+        ctx.set_sampler(0, sampler)
+    
+        #  texture 
+        texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = tex_usage,
+        )
+        
+        expected_rgba = FloatArray(height*width*4) 
+        texture.get_surface(
+            face = face,
+            level = level,
+            zslice = zslice,
+        ).sample_rgba(expected_rgba)
+        
+        ctx.set_sampler_texture(0, texture)
+
+        #  framebuffer 
+        cbuf_tex = dev.texture_create(
+            PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        zsbuf_tex = dev.texture_create(
+            PIPE_FORMAT_Z24X8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        cbuf = cbuf_tex.get_surface()
+        zsbuf = zsbuf_tex.get_surface()
+        fb = Framebuffer()
+        fb.width = width
+        fb.height = height
+        fb.nr_cbufs = 1
+        fb.set_cbuf(0, cbuf)
+        fb.set_zsbuf(zsbuf)
+        ctx.set_framebuffer(fb)
+        rgba = FloatArray(4);
+        rgba[0] = 0.5
+        rgba[1] = 0.5
+        rgba[2] = 0.5
+        rgba[3] = 0.5
+        ctx.clear(PIPE_CLEAR_DEPTHSTENCIL, rgba, 1.0, 0)
+        del fb
+    
+        # vertex shader
+        vs = Shader('''
+            VERT1.1
+            DCL IN[0], POSITION, CONSTANT
+            DCL IN[1], GENERIC, CONSTANT
+            DCL OUT[0], POSITION, CONSTANT
+            DCL OUT[1], GENERIC, CONSTANT
+            0:MOV OUT[0], IN[0]
+            1:MOV OUT[1], IN[1]
+            2:END
+        ''')
+        #vs.dump()
+        ctx.set_vertex_shader(vs)
+    
+        # fragment shader
+        op = {
+            PIPE_TEXTURE_1D: "1D", 
+            PIPE_TEXTURE_2D: "2D", 
+            PIPE_TEXTURE_3D: "3D", 
+            PIPE_TEXTURE_CUBE: "CUBE",
+        }[target]
+        fs = Shader('''
+            FRAG1.1
+            DCL IN[0], GENERIC[0], LINEAR
+            DCL SAMP[0], CONSTANT
+            DCL OUT[0].z, POSITION
+            0:TEX OUT[0].z, IN[0], SAMP[0], %s
+            1:END
+        ''' % op)
+        #fs.dump()
+        ctx.set_fragment_shader(fs)
+
+        nverts = 4
+        nattrs = 2
+        verts = FloatArray(nverts * nattrs * 4)
+    
+        x = 0
+        y = 0
+        w, h = minify((width, height), level)
+    
+        pos = [
+            [x, y],
+            [x+w, y],
+            [x+w, y+h],
+            [x, y+h],
+        ]
+    
+        tex = tex_coords(texture, face, level, zslice)
+    
+        for i in range(0, 4):
+            j = 8*i
+            verts[j + 0] = pos[i][0] # x
+            verts[j + 1] = pos[i][1] # y
+            verts[j + 2] = 0.0 # z
+            verts[j + 3] = 1.0 # w
+            verts[j + 4] = tex[i][0] # s
+            verts[j + 5] = tex[i][1] # r
+            verts[j + 6] = tex[i][2] # q
+            verts[j + 7] = 1.0
+    
+        ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
+                          nverts, 
+                          nattrs, 
+                          verts)
+    
+        ctx.flush()
+    
+        zsbuf = zsbuf_tex.get_surface()
+        
+        self.assert_rgba(zsbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+        
+
+
 
 def main():
     dev = Device()
@@ -297,18 +497,13 @@ def main():
         PIPE_TEXTURE_3D,
     ]
     
-    formats = [
+    color_formats = [
         PIPE_FORMAT_A8R8G8B8_UNORM,
         PIPE_FORMAT_X8R8G8B8_UNORM,
         #PIPE_FORMAT_A8R8G8B8_SRGB,
         PIPE_FORMAT_R5G6B5_UNORM,
         PIPE_FORMAT_A1R5G5B5_UNORM,
         PIPE_FORMAT_A4R4G4B4_UNORM,
-        #PIPE_FORMAT_Z32_UNORM,
-        #PIPE_FORMAT_Z24S8_UNORM,
-        #PIPE_FORMAT_Z24X8_UNORM,
-        #PIPE_FORMAT_Z16_UNORM,
-        #PIPE_FORMAT_S8_UNORM,
         PIPE_FORMAT_A8_UNORM,
         PIPE_FORMAT_L8_UNORM,
         PIPE_FORMAT_YCBCR,
@@ -318,6 +513,13 @@ def main():
         #PIPE_FORMAT_DXT5_RGBA,
     ]
     
+    depth_formats = [
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+    ]
+    
     sizes = [64, 32, 16, 8, 4, 2, 1]
     #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
     #sizes = [64]
@@ -332,8 +534,8 @@ def main():
         PIPE_TEX_FACE_NEG_Z,
     ]
 
-    for target in targets:
-        for format in formats:
+    for format in color_formats:
+        for target in targets:
             for size in sizes:
                 if target == PIPE_TEXTURE_3D:
                     depth = size
@@ -347,7 +549,7 @@ def main():
                         for level in range(0, last_level + 1):
                             zslice = 0
                             while zslice < depth >> level:
-                                test = TextureTest(
+                                test = TextureColorSampleTest(
                                     dev = dev,
                                     target = target,
                                     format = format, 
@@ -361,6 +563,27 @@ def main():
                                 )
                                 suite.add_test(test)
                                 zslice = (zslice + 1)*2 - 1
+    for format in depth_formats:
+        target = PIPE_TEXTURE_2D
+        depth = 1
+        face = 0
+        last_level = 0
+        level = 0
+        zslice = 0
+        for size in sizes:
+            test = TextureDepthSampleTest(
+                dev = dev,
+                target = target,
+                format = format, 
+                width = size,
+                height = size,
+                depth = depth,
+                last_level = last_level,
+                face = face,
+                level = level,
+                zslice = zslice,
+            )
+            suite.add_test(test)
     suite.run()
 
 
diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.c b/src/gallium/state_trackers/wgl/shared/stw_context.c
index 662b5fbcd2a..9df1ab76526 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_context.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_context.c
@@ -47,6 +47,23 @@
 #include "stw_context.h"
 #include "stw_tls.h"
 
+
+static INLINE struct stw_context *
+stw_context(GLcontext *glctx)
+{
+   if(!glctx)
+      return NULL;
+   assert(glctx->DriverCtx);
+   return (struct stw_context *)glctx->DriverCtx;
+}
+
+static INLINE struct stw_context *
+stw_current_context(void)
+{
+   GET_CURRENT_CONTEXT( glctx );
+   return stw_context(glctx);
+}
+
 BOOL
 stw_copy_context(
    UINT_PTR hglrcSrc,
@@ -99,6 +116,18 @@ stw_share_lists(
    return ret;
 }
 
+static void
+stw_viewport(GLcontext * glctx, GLint x, GLint y,
+             GLsizei width, GLsizei height)
+{
+   struct stw_context *ctx = (struct stw_context *)glctx->DriverCtx;
+   struct stw_framebuffer *fb;
+   
+   fb = stw_framebuffer_from_hdc( ctx->hdc );
+   if(fb)
+      stw_framebuffer_update(fb);
+}
+
 UINT_PTR
 stw_create_layer_context(
    HDC hdc,
@@ -158,6 +187,7 @@ stw_create_layer_context(
       goto no_st_ctx;
 
    ctx->st->ctx->DriverCtx = ctx;
+   ctx->st->ctx->Driver.Viewport = stw_viewport;
 
    pipe_mutex_lock( stw_dev->mutex );
    ctx->hglrc = handle_table_add(stw_dev->ctx_table, ctx);
@@ -194,11 +224,10 @@ stw_delete_context(
    pipe_mutex_unlock( stw_dev->mutex );
 
    if (ctx) {
-      GLcontext *glctx = ctx->st->ctx;
-      GET_CURRENT_CONTEXT( glcurctx );
-
+      struct stw_context *curctx = stw_current_context();
+      
       /* Unbind current if deleting current context. */
-      if (glcurctx == glctx)
+      if (curctx == ctx)
          st_make_current( NULL, NULL, NULL );
 
       st_destroy_context(ctx->st);
@@ -230,13 +259,8 @@ stw_release_context(
     * current for this thread.  We should check that and return False
     * if not the case.
     */
-   {
-      GLcontext *glctx = ctx->st->ctx;
-      GET_CURRENT_CONTEXT( glcurctx );
-
-      if (glcurctx != glctx)
-         return FALSE;
-   }
+   if (ctx != stw_current_context())
+      return FALSE;
 
    if (stw_make_current( NULL, 0 ) == FALSE)
       return FALSE;
@@ -248,14 +272,9 @@ stw_release_context(
 UINT_PTR
 stw_get_current_context( void )
 {
-   GET_CURRENT_CONTEXT( glcurctx );
    struct stw_context *ctx;
 
-   if(!glcurctx)
-      return 0;
-   
-   ctx = (struct stw_context *)glcurctx->DriverCtx;
-   assert(ctx);
+   ctx = stw_current_context();
    if(!ctx)
       return 0;
    
@@ -265,14 +284,9 @@ stw_get_current_context( void )
 HDC
 stw_get_current_dc( void )
 {
-   GET_CURRENT_CONTEXT( glcurctx );
    struct stw_context *ctx;
 
-   if(!glcurctx)
-      return NULL;
-   
-   ctx = (struct stw_context *)glcurctx->DriverCtx;
-   assert(ctx);
+   ctx = stw_current_context();
    if(!ctx)
       return NULL;
    
@@ -284,23 +298,24 @@ stw_make_current(
    HDC hdc,
    UINT_PTR hglrc )
 {
+   struct stw_context *curctx;
    struct stw_context *ctx;
-   GET_CURRENT_CONTEXT( glcurctx );
    struct stw_framebuffer *fb;
 
    if (!stw_dev)
       goto fail;
 
-   if (glcurctx != NULL) {
-      struct stw_context *curctx;
-      curctx = (struct stw_context *) glcurctx->DriverCtx;
-
+   curctx = stw_current_context();
+   if (curctx != NULL) {
       if (curctx->hglrc != hglrc)
-	 st_flush(glcurctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+	 st_flush(curctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
       
       /* Return if already current. */
-      if (curctx->hglrc == hglrc && curctx->hdc == hdc)
-         return TRUE;
+      if (curctx->hglrc == hglrc && curctx->hdc == hdc) {
+         ctx = curctx;
+         fb = stw_framebuffer_from_hdc( hdc );
+         goto success;
+      }
    }
 
    if (hdc == NULL || hglrc == 0) {
@@ -344,7 +359,10 @@ stw_make_current(
    if(!st_make_current( ctx->st, fb->stfb, fb->stfb ))
       goto fail;
 
-   stw_framebuffer_resize(fb);
+success:
+   assert(fb);
+   if(fb)
+      stw_framebuffer_update(fb);
    
    return TRUE;
 
diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.c b/src/gallium/state_trackers/wgl/shared/stw_device.c
index 1a6b29807d7..ce466241463 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_device.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_device.c
@@ -30,6 +30,7 @@
 #include "glapi/glthread.h"
 #include "util/u_debug.h"
 #include "pipe/p_screen.h"
+#include "state_tracker/st_public.h"
 
 #ifdef DEBUG
 #include "trace/tr_screen.h"
@@ -63,15 +64,39 @@ stw_flush_frontbuffer(struct pipe_screen *screen,
 {
    const struct stw_winsys *stw_winsys = stw_dev->stw_winsys;
    HDC hdc = (HDC)context_private;
+   struct stw_framebuffer *fb;
    
+   fb = stw_framebuffer_from_hdc( hdc );
+   /* fb can be NULL if window was destroyed already */
+   if (fb) {
+      pipe_mutex_lock( fb->mutex );
+
+#if DEBUG
+      {
+         struct pipe_surface *surface2;
+   
+         if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_FRONT_LEFT, &surface2 ))
+            assert(0);
+         else
+            assert(surface2 == surface);
+      }
+#endif
+
 #ifdef DEBUG
-   if(stw_dev->trace_running) {
-      screen = trace_screen(screen)->screen;
-      surface = trace_surface(surface)->surface;
-   }
+      if(stw_dev->trace_running) {
+         screen = trace_screen(screen)->screen;
+         surface = trace_surface(surface)->surface;
+      }
 #endif
+   }
    
    stw_winsys->flush_frontbuffer(screen, surface, hdc);
+   
+   if(fb) {
+      stw_framebuffer_update(fb);
+      
+      pipe_mutex_unlock( fb->mutex );
+   }
 }
 
 
@@ -133,20 +158,13 @@ error1:
 boolean
 stw_init_thread(void)
 {
-   if (!stw_tls_init_thread())
-      return FALSE;
-
-   if (!stw_framebuffer_init_thread())
-      return FALSE;
-
-   return TRUE;
+   return stw_tls_init_thread();
 }
 
 
 void
 stw_cleanup_thread(void)
 {
-   stw_framebuffer_cleanup_thread();
    stw_tls_cleanup_thread();
 }
 
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
index de37d135dfe..7d0e8f46482 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
@@ -45,7 +45,7 @@
 #include "stw_tls.h"
 
 
-struct stw_framebuffer *
+static INLINE struct stw_framebuffer *
 stw_framebuffer_from_hwnd_locked(
    HWND hwnd )
 {
@@ -84,7 +84,7 @@ stw_framebuffer_destroy_locked(
  * @sa http://msdn.microsoft.com/en-us/library/ms644975(VS.85).aspx
  * @sa http://msdn.microsoft.com/en-us/library/ms644960(VS.85).aspx
  */
-static LRESULT CALLBACK
+LRESULT CALLBACK
 stw_call_window_proc(
    int nCode,
    WPARAM wParam,
@@ -111,14 +111,10 @@ stw_call_window_proc(
          unsigned width = LOWORD( pParams->lParam );
          unsigned height = HIWORD( pParams->lParam );
          
-         /* FIXME: The mesa statetracker makes the assumptions that only
-          * one context is using the framebuffer, and that that context is the 
-          * current one. However neither holds true, as WGL allows more than
-          * one context to be bound to the same drawable, and this function can 
-          * be called from any thread.
-          */
          pipe_mutex_lock( fb->mutex );
-         st_resize_framebuffer( fb->stfb, width, height );
+         fb->must_resize = TRUE;
+         fb->width = width;
+         fb->height = height;
          pipe_mutex_unlock( fb->mutex );
       }
    }
@@ -139,6 +135,31 @@ stw_call_window_proc(
 }
 
 
+static void
+stw_framebuffer_get_size( struct stw_framebuffer *fb )
+{
+   unsigned width, height;
+   RECT rect;
+
+   assert(fb->hWnd);
+   
+   GetClientRect( fb->hWnd, &rect );
+   width = rect.right - rect.left;
+   height = rect.bottom - rect.top;
+
+   if(width < 1)
+      width = 1;
+   if(height < 1)
+      height = 1;
+
+   if(width != fb->width || height != fb->height) {
+      fb->must_resize = TRUE;
+      fb->width = width; 
+      fb->height = height; 
+   }
+}
+
+
 /**
  * Create a new framebuffer object which will correspond to the given HDC.
  */
@@ -168,6 +189,8 @@ stw_framebuffer_create_locked(
 
    stw_pixelformat_visual(&fb->visual, pfi);
    
+   stw_framebuffer_get_size(fb);
+
    pipe_mutex_init( fb->mutex );
 
    fb->next = stw_dev->fb_head;
@@ -177,32 +200,6 @@ stw_framebuffer_create_locked(
 }
 
 
-static void
-stw_framebuffer_get_size( struct stw_framebuffer *fb, GLuint *pwidth, GLuint *pheight )
-{
-   GLuint width, height;
-
-   if (fb->hWnd) {
-      RECT rect;
-      GetClientRect( fb->hWnd, &rect );
-      width = rect.right - rect.left;
-      height = rect.bottom - rect.top;
-   }
-   else {
-      width = GetDeviceCaps( fb->hDC, HORZRES );
-      height = GetDeviceCaps( fb->hDC, VERTRES );
-   }
-
-   if(width < 1)
-      width = 1;
-   if(height < 1)
-      height = 1;
-
-   *pwidth = width; 
-   *pheight = height; 
-}
-
-
 BOOL
 stw_framebuffer_allocate(
    struct stw_framebuffer *fb)
@@ -212,7 +209,6 @@ stw_framebuffer_allocate(
    if(!fb->stfb) {
       const struct stw_pixelformat_info *pfi = fb->pfi;
       enum pipe_format colorFormat, depthFormat, stencilFormat;
-      GLuint width, height; 
 
       colorFormat = pfi->color_format;
       
@@ -228,16 +224,21 @@ stw_framebuffer_allocate(
       else
          stencilFormat = PIPE_FORMAT_NONE;
    
-      stw_framebuffer_get_size(fb, &width, &height);
-      
+      assert(fb->must_resize);
+      assert(fb->width);
+      assert(fb->height);
+
       fb->stfb = st_create_framebuffer(
          &fb->visual,
          colorFormat,
          depthFormat,
          stencilFormat,
-         width,
-         height,
+         fb->width,
+         fb->height,
          (void *) fb );
+      
+      // to notify the context
+      fb->must_resize = TRUE;
    }
    
    pipe_mutex_unlock( fb->mutex );
@@ -246,14 +247,29 @@ stw_framebuffer_allocate(
 }
 
 
+/**
+ * Update the framebuffer's size if necessary.
+ */
 void
-stw_framebuffer_resize(
+stw_framebuffer_update(
    struct stw_framebuffer *fb)
 {
-   GLuint width, height; 
    assert(fb->stfb);
-   stw_framebuffer_get_size(fb, &width, &height);
-   st_resize_framebuffer(fb->stfb, width, height);
+   assert(fb->height);
+   assert(fb->width);
+   
+   /* XXX: It would be nice to avoid checking the size again -- in theory  
+    * stw_call_window_proc would have cought the resize and stored the right 
+    * size already, but unfortunately threads created before the DllMain is 
+    * called don't get a DLL_THREAD_ATTACH notification, and there is no way
+    * to know of their existing without using the not very portable PSAPI.
+    */
+   stw_framebuffer_get_size(fb);
+   
+   if(fb->must_resize) {
+      st_resize_framebuffer(fb->stfb, fb->width, fb->height);
+      fb->must_resize = FALSE;
+   }
 }                      
 
 
@@ -379,6 +395,9 @@ stw_swap_buffers(
    if (fb == NULL)
       return FALSE;
 
+   if (!(fb->pfi->pfd.dwFlags & PFD_DOUBLEBUFFER))
+      return TRUE;
+
    pipe_mutex_lock( fb->mutex );
 
    /* If we're swapping the buffer associated with the current context
@@ -403,6 +422,8 @@ stw_swap_buffers(
 
    stw_dev->stw_winsys->flush_frontbuffer( screen, surface, hdc );
    
+   stw_framebuffer_update(fb);
+   
    pipe_mutex_unlock( fb->mutex );
    
    return TRUE;
@@ -419,38 +440,3 @@ stw_swap_layer_buffers(
 
    return FALSE;
 }
-
-
-boolean
-stw_framebuffer_init_thread(void)
-{
-   struct stw_tls_data *tls_data;
-   
-   tls_data = stw_tls_get_data();
-   if(!tls_data)
-      return FALSE;
-   
-   tls_data->hCallWndProcHook = SetWindowsHookEx(WH_CALLWNDPROC,
-                                                 stw_call_window_proc,
-                                                 NULL,
-                                                 GetCurrentThreadId());
-   if(tls_data->hCallWndProcHook == NULL)
-      return FALSE;
-   
-   return TRUE;
-}
-
-void
-stw_framebuffer_cleanup_thread(void)
-{
-   struct stw_tls_data *tls_data;
-   
-   tls_data = stw_tls_get_data();
-   if(!tls_data)
-      return;
-   
-   if(tls_data->hCallWndProcHook) {
-      UnhookWindowsHookEx(tls_data->hCallWndProcHook);
-      tls_data->hCallWndProcHook = NULL;
-   }
-}
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h
index e7fa51c3a81..759e06b8914 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h
@@ -51,6 +51,11 @@ struct stw_framebuffer
    pipe_mutex mutex;
    struct st_framebuffer *stfb;
    
+   /* FIXME: Make this work for multiple contexts bound to the same framebuffer */
+   boolean must_resize;
+   unsigned width;
+   unsigned height;
+   
    /** This is protected by stw_device::mutex, not the mutex above */
    struct stw_framebuffer *next;
 };
@@ -65,7 +70,7 @@ stw_framebuffer_allocate(
    struct stw_framebuffer *fb );
 
 void
-stw_framebuffer_resize(
+stw_framebuffer_update(
    struct stw_framebuffer *fb);
 
 void
@@ -79,10 +84,4 @@ struct stw_framebuffer *
 stw_framebuffer_from_hdc(
    HDC hdc );
 
-boolean
-stw_framebuffer_init_thread(void);
-
-void
-stw_framebuffer_cleanup_thread(void);
-
 #endif /* STW_FRAMEBUFFER_H */
diff --git a/src/gallium/state_trackers/wgl/shared/stw_tls.c b/src/gallium/state_trackers/wgl/shared/stw_tls.c
index 0c18a52352c..4bd6a9289c9 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_tls.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_tls.c
@@ -51,9 +51,23 @@ stw_tls_data_create()
 
    data = CALLOC_STRUCT(stw_tls_data);
    if (!data)
-      return NULL;
+      goto no_data;
+
+   data->hCallWndProcHook = SetWindowsHookEx(WH_CALLWNDPROC,
+                                             stw_call_window_proc,
+                                             NULL,
+                                             GetCurrentThreadId());
+   if(data->hCallWndProcHook == NULL)
+      goto no_hook;
+
+   TlsSetValue(tlsIndex, data);
 
    return data;
+
+no_hook:
+   FREE(data);
+no_data:
+   return NULL;
 }
 
 boolean
@@ -69,8 +83,6 @@ stw_tls_init_thread(void)
    if(!data)
       return FALSE;
 
-   TlsSetValue(tlsIndex, data);
-
    return TRUE;
 }
 
@@ -84,8 +96,16 @@ stw_tls_cleanup_thread(void)
    }
 
    data = (struct stw_tls_data *) TlsGetValue(tlsIndex);
-   TlsSetValue(tlsIndex, NULL);
-   FREE(data);
+   if(data) {
+      TlsSetValue(tlsIndex, NULL);
+   
+      if(data->hCallWndProcHook) {
+         UnhookWindowsHookEx(data->hCallWndProcHook);
+         data->hCallWndProcHook = NULL;
+      }
+   
+      FREE(data);
+   }
 }
 
 void
@@ -110,12 +130,9 @@ stw_tls_get_data(void)
    if(!data) {
       /* DllMain is called with DLL_THREAD_ATTACH only by threads created after 
        * the DLL is loaded by the process */
-      
       data = stw_tls_data_create();
       if(!data)
          return NULL;
-
-      TlsSetValue(tlsIndex, data);
    }
 
    return data;
diff --git a/src/gallium/state_trackers/wgl/shared/stw_tls.h b/src/gallium/state_trackers/wgl/shared/stw_tls.h
index 6af8be70c9f..fbf8b1cbee4 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_tls.h
+++ b/src/gallium/state_trackers/wgl/shared/stw_tls.h
@@ -50,4 +50,10 @@ stw_tls_cleanup(void);
 struct stw_tls_data *
 stw_tls_get_data(void);
 
+LRESULT CALLBACK
+stw_call_window_proc(
+   int nCode,
+   WPARAM wParam,
+   LPARAM lParam );
+
 #endif /* STW_TLS_H */
diff --git a/src/glew/glew.c b/src/glew/glew.c
index 24c6a726c38..aa2278f6c03 100644
--- a/src/glew/glew.c
+++ b/src/glew/glew.c
@@ -547,7 +547,7 @@ PFNGLCHECKFRAMEBUFFERSTATUSPROC __glewCheckFramebufferStatus = NULL;
 PFNGLDELETEFRAMEBUFFERSPROC __glewDeleteFramebuffers = NULL;
 PFNGLDELETERENDERBUFFERSPROC __glewDeleteRenderbuffers = NULL;
 PFNGLFRAMEBUFFERRENDERBUFFERPROC __glewFramebufferRenderbuffer = NULL;
-PFNGLFRAMEBUFFERTEXTURLAYERPROC __glewFramebufferTexturLayer = NULL;
+PFNGLFRAMEBUFFERTEXTURELAYERPROC __glewFramebufferTextureLayer = NULL;
 PFNGLFRAMEBUFFERTEXTURE1DPROC __glewFramebufferTexture1D = NULL;
 PFNGLFRAMEBUFFERTEXTURE2DPROC __glewFramebufferTexture2D = NULL;
 PFNGLFRAMEBUFFERTEXTURE3DPROC __glewFramebufferTexture3D = NULL;
@@ -2739,7 +2739,7 @@ static GLboolean _glewInit_GL_ARB_framebuffer_object (GLEW_CONTEXT_ARG_DEF_INIT)
   r = ((glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)glewGetProcAddress((const GLubyte*)"glDeleteFramebuffers")) == NULL) || r;
   r = ((glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)glewGetProcAddress((const GLubyte*)"glDeleteRenderbuffers")) == NULL) || r;
   r = ((glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)glewGetProcAddress((const GLubyte*)"glFramebufferRenderbuffer")) == NULL) || r;
-  r = ((glFramebufferTexturLayer = (PFNGLFRAMEBUFFERTEXTURLAYERPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTexturLayer")) == NULL) || r;
+  r = ((glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTextureLayer")) == NULL) || r;
   r = ((glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTexture1D")) == NULL) || r;
   r = ((glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTexture2D")) == NULL) || r;
   r = ((glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTexture3D")) == NULL) || r;
diff --git a/src/glew/glewinfo.c b/src/glew/glewinfo.c
index 13c6d05bd1f..da2b241deab 100644
--- a/src/glew/glewinfo.c
+++ b/src/glew/glewinfo.c
@@ -708,7 +708,7 @@ static void _glewInfo_GL_ARB_framebuffer_object (void)
   glewInfoFunc("glDeleteFramebuffers", glDeleteFramebuffers == NULL);
   glewInfoFunc("glDeleteRenderbuffers", glDeleteRenderbuffers == NULL);
   glewInfoFunc("glFramebufferRenderbuffer", glFramebufferRenderbuffer == NULL);
-  glewInfoFunc("glFramebufferTexturLayer", glFramebufferTexturLayer == NULL);
+  glewInfoFunc("glFramebufferTextureLayer", glFramebufferTextureLayer == NULL);
   glewInfoFunc("glFramebufferTexture1D", glFramebufferTexture1D == NULL);
   glewInfoFunc("glFramebufferTexture2D", glFramebufferTexture2D == NULL);
   glewInfoFunc("glFramebufferTexture3D", glFramebufferTexture3D == NULL);
diff --git a/src/glx/x11/dri_common.c b/src/glx/x11/dri_common.c
index 90c3d8c7d9d..6de41111134 100644
--- a/src/glx/x11/dri_common.c
+++ b/src/glx/x11/dri_common.c
@@ -345,7 +345,9 @@ driBindExtensions(__GLXscreenConfigs *psc, int dri2)
 #endif
 
 #ifdef __DRI_SWAP_CONTROL
-	if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
+	/* No DRI2 support for swap_control at the moment, since SwapBuffers
+	 * is done by the X server */
+	if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0 && !dri2) {
 	    psc->swapControl = (__DRIswapControlExtension *) extensions[i];
 	    __glXEnableDirectExtension(psc, "GLX_SGI_swap_control");
 	    __glXEnableDirectExtension(psc, "GLX_MESA_swap_control");
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index ec3e69e4fe1..77471b8599c 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -869,6 +869,20 @@ PUBLIC void glXDestroyGLXPixmap(Display *dpy, GLXPixmap glxpixmap)
     req->glxpixmap = glxpixmap;
     UnlockDisplay(dpy);
     SyncHandle();
+
+#ifdef GLX_DIRECT_RENDERING
+    {
+	int screen;
+	__GLXdisplayPrivate *const priv = __glXInitialize(dpy);
+	__GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, glxpixmap, &screen);
+	__GLXscreenConfigs *psc = &priv->screenConfigs[screen];
+
+	if (pdraw != NULL) {
+	    (*pdraw->destroyDrawable) (pdraw);
+	    __glxHashDelete(psc->drawHash, glxpixmap);
+	}
+    }
+#endif
 }
 
 PUBLIC void glXSwapBuffers(Display *dpy, GLXDrawable drawable)
diff --git a/src/glx/x11/glxcurrent.c b/src/glx/x11/glxcurrent.c
index 01f42332413..d44e0dd1fc8 100644
--- a/src/glx/x11/glxcurrent.c
+++ b/src/glx/x11/glxcurrent.c
@@ -457,7 +457,7 @@ MakeContextCurrent(Display * dpy, GLXDrawable draw,
                                     &dummy_reply);
    }
 #ifdef GLX_DIRECT_RENDERING
-   else if (oldGC->driContext) {
+   else if (oldGC->driContext && oldGC != gc) {
       oldGC->driContext->unbindContext(oldGC->driContext);
    }
 #endif
diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c
index 276da41f4e4..6a98c29a3d1 100644
--- a/src/mesa/drivers/common/driverfuncs.c
+++ b/src/mesa/drivers/common/driverfuncs.c
@@ -231,6 +231,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
    driver->BeginQuery = _mesa_begin_query;
    driver->EndQuery = _mesa_end_query;
    driver->WaitQuery = _mesa_wait_query;
+   driver->CheckQuery = _mesa_check_query;
 
    /* APPLE_vertex_array_object */
    driver->NewArrayObject = _mesa_new_array_object;
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index e1127204718..576494940f3 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -119,6 +119,9 @@ static int driUnbindContext(__DRIcontext *pcp)
     pdp = pcp->driDrawablePriv;
     prp = pcp->driReadablePriv;
 
+    /* already unbound */
+    if (!pdp && !prp)
+      return GL_TRUE;
     /* Let driver unbind drawable from context */
     (*psp->DriverAPI.UnbindContext)(pcp);
 
@@ -143,9 +146,10 @@ static int driUnbindContext(__DRIcontext *pcp)
      * window we can determine the last context bound to the window and
      * use that context's lock. (BrianP, 2-Dec-2000)
      */
+    pcp->driDrawablePriv = pcp->driReadablePriv = NULL;
+
 #if 0
     /* Unbind the drawable */
-    pcp->driDrawablePriv = NULL;
     pdp->driContextPriv = &psp->dummyContextPriv;
 #endif
 
diff --git a/src/mesa/drivers/dri/i915/i830_state.c b/src/mesa/drivers/dri/i915/i830_state.c
index d9cad0c4bf8..8ef6c9144f1 100644
--- a/src/mesa/drivers/dri/i915/i830_state.c
+++ b/src/mesa/drivers/dri/i915/i830_state.c
@@ -39,6 +39,7 @@
 #include "intel_screen.h"
 #include "intel_batchbuffer.h"
 #include "intel_fbo.h"
+#include "intel_buffers.h"
 
 #include "i830_context.h"
 #include "i830_reg.h"
@@ -446,6 +447,24 @@ i830DepthMask(GLcontext * ctx, GLboolean flag)
       i830->state.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE;
 }
 
+/** Called from ctx->Driver.Viewport() */
+static void
+i830Viewport(GLcontext * ctx,
+              GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   intelCalcViewport(ctx);
+
+   intel_viewport(ctx, x, y, width, height);
+}
+
+
+/** Called from ctx->Driver.DepthRange() */
+static void
+i830DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
+{
+   intelCalcViewport(ctx);
+}
+
 /* =============================================================
  * Polygon stipple
  *
@@ -1064,6 +1083,8 @@ i830InitStateFuncs(struct dd_function_table *functions)
    functions->StencilFuncSeparate = i830StencilFuncSeparate;
    functions->StencilMaskSeparate = i830StencilMaskSeparate;
    functions->StencilOpSeparate = i830StencilOpSeparate;
+   functions->DepthRange = i830DepthRange;
+   functions->Viewport = i830Viewport;
 }
 
 void
diff --git a/src/mesa/drivers/dri/i915/i915_tex_layout.c b/src/mesa/drivers/dri/i915/i915_tex_layout.c
index d44a2f47b37..7cc1c096e4b 100644
--- a/src/mesa/drivers/dri/i915/i915_tex_layout.c
+++ b/src/mesa/drivers/dri/i915/i915_tex_layout.c
@@ -454,7 +454,10 @@ i945_miptree_layout(struct intel_context *intel, struct intel_mipmap_tree * mt)
 {
    switch (mt->target) {
    case GL_TEXTURE_CUBE_MAP:
-      i945_miptree_layout_cube(intel, mt);
+      if (mt->compressed)
+	 i945_miptree_layout_cube(intel, mt);
+      else
+	 i915_miptree_layout_cube(intel, mt);
       break;
    case GL_TEXTURE_3D:
       i945_miptree_layout_3d(intel, mt);
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index aef2ff5f86f..577497bf6b0 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -616,9 +616,10 @@ struct brw_context
       struct brw_wm_prog_data *prog_data;
       struct brw_wm_compile *compile_data;
 
-      /* Input sizes, calculated from active vertex program:
+      /** Input sizes, calculated from active vertex program.
+       * One bit per fragment program input attribute.
        */
-      GLuint input_size_masks[4];
+      GLbitfield input_size_masks[4];
 
       /** Array of surface default colors (texture border color) */
       dri_bo *sdc_bo[BRW_MAX_TEX_UNIT];
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index 68fa9820b6f..c99918724b3 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -66,7 +66,9 @@ static void upload_sf_vp(struct brw_context *brw)
    sfv.viewport.m31 = v[MAT_TY] * y_scale + y_bias;
    sfv.viewport.m32 = v[MAT_TZ] * depth_scale;
 
-   /* _NEW_SCISSOR */
+   /* _NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT
+    * for DrawBuffer->_[XY]{min,max}
+    */
 
    /* The scissor only needs to handle the intersection of drawable and
     * scissor rect.  Clipping to the boundaries of static shared buffers
@@ -97,7 +99,8 @@ static void upload_sf_vp(struct brw_context *brw)
 const struct brw_tracked_state brw_sf_vp = {
    .dirty = {
       .mesa  = (_NEW_VIEWPORT | 
-		_NEW_SCISSOR),
+		_NEW_SCISSOR |
+		_NEW_BUFFERS),
       .brw   = 0,
       .cache = 0
    },
diff --git a/src/mesa/drivers/dri/i965/brw_vs_constval.c b/src/mesa/drivers/dri/i965/brw_vs_constval.c
index 2637344b482..249a800bf4b 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_constval.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_constval.c
@@ -39,8 +39,8 @@
  */
 struct tracker {
    GLboolean twoside;
-   GLubyte active[PROGRAM_OUTPUT+1][128];
-   GLuint size_masks[4];
+   GLubyte active[PROGRAM_OUTPUT+1][MAX_PROGRAM_TEMPS];
+   GLbitfield size_masks[4];  /**< one bit per fragment program input attrib */
 };
 
 
@@ -53,8 +53,10 @@ static void set_active_component( struct tracker *t,
    case PROGRAM_TEMPORARY:
    case PROGRAM_INPUT:
    case PROGRAM_OUTPUT:
+      assert(file < PROGRAM_OUTPUT + 1);
+      assert(index < Elements(t->active[0]));
       t->active[file][index] |= active;
-
+      break;
    default:
       break;
    }
@@ -108,10 +110,15 @@ static GLubyte get_active( struct tracker *t,
    return active;
 }
 
+/**
+ * Return the size (1,2,3 or 4) of the output/result for VERT_RESULT_idx.
+ */
 static GLubyte get_output_size( struct tracker *t,
 				GLuint idx )
 {
-   GLubyte active = t->active[PROGRAM_OUTPUT][idx];
+   GLubyte active;
+   assert(idx < VERT_RESULT_MAX);
+   active = t->active[PROGRAM_OUTPUT][idx];
    if (active & (1<<3)) return 4;
    if (active & (1<<2)) return 3;
    if (active & (1<<1)) return 2;
@@ -123,7 +130,7 @@ static GLubyte get_output_size( struct tracker *t,
  */
 static void calc_sizes( struct tracker *t )
 {
-   GLuint i;
+   GLint vertRes;
 
    if (t->twoside) {
       t->active[PROGRAM_OUTPUT][VERT_RESULT_COL0] |= 
@@ -133,12 +140,27 @@ static void calc_sizes( struct tracker *t )
 	 t->active[PROGRAM_OUTPUT][VERT_RESULT_BFC1];
    }
 
-   for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
-      switch (get_output_size(t, i)) {
-      case 4: t->size_masks[4-1] |= 1<<i;
-      case 3: t->size_masks[3-1] |= 1<<i;
-      case 2: t->size_masks[2-1] |= 1<<i;
-      case 1: t->size_masks[1-1] |= 1<<i;
+   /* Examine vertex program output sizes to set the size_masks[] info
+    * which describes the fragment program input sizes.
+    */
+   for (vertRes = VERT_RESULT_TEX0; vertRes < VERT_RESULT_MAX; vertRes++) {
+      GLint fragAttrib;
+
+      /* map vertex program output index to fragment program input index */
+      if (vertRes <= VERT_RESULT_TEX7)
+         fragAttrib = FRAG_ATTRIB_TEX0 + vertRes - VERT_RESULT_TEX0;
+      else if (vertRes >= VERT_RESULT_VAR0)
+         fragAttrib = FRAG_ATTRIB_VAR0 + vertRes - VERT_RESULT_VAR0;
+      else
+         continue;
+      assert(fragAttrib >= FRAG_ATTRIB_TEX0);
+      assert(fragAttrib <= FRAG_ATTRIB_MAX);
+
+      switch (get_output_size(t, vertRes)) {
+      case 4: t->size_masks[4-1] |= 1 << fragAttrib;
+      case 3: t->size_masks[3-1] |= 1 << fragAttrib;
+      case 2: t->size_masks[2-1] |= 1 << fragAttrib;
+      case 1: t->size_masks[1-1] |= 1 << fragAttrib;
 	 break;
       }
    }
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index 90d74c2885c..8a3b7df9c78 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -146,6 +146,13 @@ static void do_wm_prog( struct brw_context *brw,
    if (c == NULL) {
       brw->wm.compile_data = calloc(1, sizeof(*brw->wm.compile_data));
       c = brw->wm.compile_data;
+      if (c == NULL) {
+         /* Ouch - big out of memory problem.  Can't continue
+          * without triggering a segfault, no way to signal,
+          * so just return.
+          */
+         return;
+      }
    } else {
       memset(c, 0, sizeof(*brw->wm.compile_data));
    }
@@ -260,7 +267,7 @@ static void brw_wm_populate_key( struct brw_context *brw,
 
 
    /* BRW_NEW_WM_INPUT_DIMENSIONS */
-   key->projtex_mask = brw->wm.input_size_masks[4-1] >> (FRAG_ATTRIB_TEX0 - FRAG_ATTRIB_WPOS); 
+   key->proj_attrib_mask = brw->wm.input_size_masks[4-1];
 
    /* _NEW_LIGHT */
    key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
@@ -312,6 +319,9 @@ static void brw_wm_populate_key( struct brw_context *brw,
       key->drawable_height = brw->intel.driDrawable->h;
    }
 
+   /* CACHE_NEW_VS_PROG */
+   key->vp_outputs_written = brw->vs.prog_data->outputs_written & DO_SETUP_BITS;
+
    /* The unique fragment program ID */
    key->program_string_id = fp->id;
 }
@@ -350,7 +360,7 @@ const struct brw_tracked_state brw_wm_prog = {
       .brw   = (BRW_NEW_FRAGMENT_PROGRAM |
 		BRW_NEW_WM_INPUT_DIMENSIONS |
 		BRW_NEW_REDUCED_PRIMITIVE),
-      .cache = 0
+      .cache = CACHE_NEW_VS_PROG,
    },
    .prepare = brw_prepare_wm_prog
 };
diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index f0d31fc1ddc..295fed851bb 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -65,7 +65,7 @@ struct brw_wm_prog_key {
    GLuint flat_shade:1;
    GLuint runtime_check_aads_emit:1;
    
-   GLuint projtex_mask:16;
+   GLbitfield proj_attrib_mask; /**< one bit per fragment program attribute */
    GLuint shadowtex_mask:16;
    GLuint yuvtex_mask:16;
    GLuint yuvtex_swap_mask:16;	/* UV swaped */
@@ -75,6 +75,7 @@ struct brw_wm_prog_key {
    GLuint program_string_id:32;
    GLuint origin_x, origin_y;
    GLuint drawable_height;
+   GLuint vp_outputs_written;
 };
 
 
diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c
index 1798d842c79..49aad281d7a 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_fp.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c
@@ -834,10 +834,16 @@ static void precalc_tex( struct brw_wm_compile *c,
 }
 
 
+/**
+ * Check if the given TXP instruction really needs the divide-by-W step.
+ */
 static GLboolean projtex( struct brw_wm_compile *c,
 			  const struct prog_instruction *inst )
 {
-   struct prog_src_register src = inst->SrcReg[0];
+   const struct prog_src_register src = inst->SrcReg[0];
+   GLboolean retVal;
+
+   assert(inst->Opcode == OPCODE_TXP);
 
    /* Only try to detect the simplest cases.  Could detect (later)
     * cases where we are trying to emit code like RCP {1.0}, MUL x,
@@ -847,16 +853,21 @@ static GLboolean projtex( struct brw_wm_compile *c,
     * user-provided fragment programs anyway:
     */
    if (inst->TexSrcTarget == TEXTURE_CUBE_INDEX)
-      return 0;  /* ut2004 gun rendering !?! */
+      retVal = GL_FALSE;  /* ut2004 gun rendering !?! */
    else if (src.File == PROGRAM_INPUT && 
 	    GET_SWZ(src.Swizzle, W) == W &&
-           (c->key.projtex_mask & (1<<(src.Index + FRAG_ATTRIB_WPOS - FRAG_ATTRIB_TEX0))) == 0)
-      return 0;
+            (c->key.proj_attrib_mask & (1 << src.Index)) == 0)
+      retVal = GL_FALSE;
    else
-      return 1;
+      retVal = GL_TRUE;
+
+   return retVal;
 }
 
 
+/**
+ * Emit code for TXP.
+ */
 static void precalc_txp( struct brw_wm_compile *c,
 			       const struct prog_instruction *inst )
 {
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 117460842a3..094c1af2fef 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -177,7 +177,7 @@ static void prealloc_reg(struct brw_wm_compile *c)
 {
     int i, j;
     struct brw_reg reg;
-    int nr_interp_regs = 0;
+    int urb_read_length = 0;
     GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted | c->fp_deriv_emitted;
 
     for (i = 0; i < 4; i++) {
@@ -231,18 +231,29 @@ static void prealloc_reg(struct brw_wm_compile *c)
     }
 
     /* fragment shader inputs */
-    for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
-	if (inputs & (1<<i)) {
-	    nr_interp_regs++;
-	    reg = brw_vec8_grf(c->reg_index, 0);
-	    for (j = 0; j < 4; j++)
-		set_reg(c, PROGRAM_PAYLOAD, i, j, reg);
-	    c->reg_index += 2;
-	}
+    for (i = 0; i < VERT_RESULT_MAX; i++) {
+       int fp_input;
+
+       if (i >= VERT_RESULT_VAR0)
+	  fp_input = i - VERT_RESULT_VAR0 + FRAG_ATTRIB_VAR0;
+       else if (i <= VERT_RESULT_TEX7)
+	  fp_input = i;
+       else
+	  fp_input = -1;
+
+       if (fp_input >= 0 && inputs & (1 << fp_input)) {
+	  urb_read_length = c->reg_index;
+	  reg = brw_vec8_grf(c->reg_index, 0);
+	  for (j = 0; j < 4; j++)
+	     set_reg(c, PROGRAM_PAYLOAD, fp_input, j, reg);
+       }
+       if (c->key.vp_outputs_written & (1 << i)) {
+	  c->reg_index += 2;
+       }
     }
 
     c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2;
-    c->prog_data.urb_read_length = nr_interp_regs * 2;
+    c->prog_data.urb_read_length = urb_read_length;
     c->prog_data.curb_read_length = c->nr_creg;
     c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0);
     c->reg_index++;
@@ -2670,6 +2681,7 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
 		emit_trunc(c, inst);
 		break;
 	    case OPCODE_MOV:
+	    case OPCODE_SWZ:
 		emit_mov(c, inst);
 		break;
 	    case OPCODE_DP3:
diff --git a/src/mesa/drivers/dri/i965/brw_wm_pass2.c b/src/mesa/drivers/dri/i965/brw_wm_pass2.c
index 780edbc42e6..6faea018fbc 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_pass2.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_pass2.c
@@ -69,8 +69,6 @@ static void prealloc_reg(struct brw_wm_compile *c,
  */
 static void init_registers( struct brw_wm_compile *c )
 {
-   struct brw_context *brw = c->func.brw;
-   GLuint inputs = (brw->vs.prog_data->outputs_written & DO_SETUP_BITS);
    GLuint nr_interp_regs = 0;
    GLuint i = 0;
    GLuint j;
@@ -85,16 +83,19 @@ static void init_registers( struct brw_wm_compile *c )
       prealloc_reg(c, &c->creg[j], i++);
 
    for (j = 0; j < FRAG_ATTRIB_MAX; j++) {
-      if (inputs & (1<<j)) {
-	 /* index for vs output and ps input are not the same 
-	    in shader varying */
-	 GLuint index;
-	 if (j > FRAG_ATTRIB_VAR0)
-	     index = j - (VERT_RESULT_VAR0 - FRAG_ATTRIB_VAR0);
+      if (c->key.vp_outputs_written & (1<<j)) {
+	 int fp_index;
+
+	 if (j >= VERT_RESULT_VAR0)
+	    fp_index = j - (VERT_RESULT_VAR0 - FRAG_ATTRIB_VAR0);
+	 else if (j <= VERT_RESULT_TEX7)
+	    fp_index = j;
 	 else
-	     index = j;
+	    fp_index = -1;
+
 	 nr_interp_regs++;
-	 prealloc_reg(c, &c->payload.input_interp[index], i++);
+	 if (fp_index >= 0)
+	    prealloc_reg(c, &c->payload.input_interp[fp_index], i++);
       }
    }
 
diff --git a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
index c604ef0162a..3fc18ff1f3a 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
@@ -178,6 +178,16 @@ static void brw_update_sampler_state(struct wm_sampler_entry *key,
       sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE;
       sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE;
    }
+   else if (key->tex_target == GL_TEXTURE_1D) {
+      /* There's a bug in 1D texture sampling - it actually pays
+       * attention to the wrap_t value, though it should not.
+       * Override the wrap_t value here to GL_REPEAT to keep
+       * any nonexistent border pixels from floating in.
+       */
+      sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r);
+      sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s);
+      sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_WRAP;
+   }
    else {
       sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r);
       sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s);
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index c849e4869e5..c31fe91ad62 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -102,6 +102,7 @@ intel_bufferobj_free(GLcontext * ctx, struct gl_buffer_object *obj)
    assert(intel_obj);
    assert(!obj->Pointer); /* Mesa should have unmapped it */
 
+   _mesa_free(intel_obj->sys_buffer);
    if (intel_obj->region) {
       intel_bufferobj_release_region(intel, intel_obj);
    }
@@ -142,7 +143,23 @@ intel_bufferobj_data(GLcontext * ctx,
       dri_bo_unreference(intel_obj->buffer);
       intel_obj->buffer = NULL;
    }
+   _mesa_free(intel_obj->sys_buffer);
+   intel_obj->sys_buffer = NULL;
+
    if (size != 0) {
+#ifdef I915
+      /* On pre-965, stick VBOs in system memory, as we're always doing swtnl
+       * with their contents anyway.
+       */
+      if (target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER) {
+	 intel_obj->sys_buffer = _mesa_malloc(size);
+	 if (intel_obj->sys_buffer != NULL) {
+	    if (data != NULL)
+	       memcpy(intel_obj->sys_buffer, data, size);
+	    return;
+	 }
+      }
+#endif
       intel_bufferobj_alloc_buffer(intel, intel_obj);
 
       if (data != NULL)
@@ -172,7 +189,10 @@ intel_bufferobj_subdata(GLcontext * ctx,
    if (intel_obj->region)
       intel_bufferobj_cow(intel, intel_obj);
 
-   dri_bo_subdata(intel_obj->buffer, offset, size, data);
+   if (intel_obj->sys_buffer)
+      memcpy((char *)intel_obj->sys_buffer + offset, data, size);
+   else
+      dri_bo_subdata(intel_obj->buffer, offset, size, data);
 }
 
 
@@ -205,9 +225,15 @@ intel_bufferobj_map(GLcontext * ctx,
    struct intel_context *intel = intel_context(ctx);
    struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
    GLboolean read_only = (access == GL_READ_ONLY_ARB);
+   GLboolean write_only = (access == GL_WRITE_ONLY_ARB);
 
    assert(intel_obj);
 
+   if (intel_obj->sys_buffer) {
+      obj->Pointer = intel_obj->sys_buffer;
+      return obj->Pointer;
+   }
+
    if (intel_obj->region)
       intel_bufferobj_cow(intel, intel_obj);
 
@@ -216,7 +242,14 @@ intel_bufferobj_map(GLcontext * ctx,
       return NULL;
    }
 
-   dri_bo_map(intel_obj->buffer, !read_only);
+   if (write_only && intel->intelScreen->kernel_exec_fencing) {
+      drm_intel_gem_bo_map_gtt(intel_obj->buffer);
+      intel_obj->mapped_gtt = GL_TRUE;
+   } else {
+      drm_intel_bo_map(intel_obj->buffer, !read_only);
+      intel_obj->mapped_gtt = GL_FALSE;
+   }
+
    obj->Pointer = intel_obj->buffer->virtual;
    return obj->Pointer;
 }
@@ -234,7 +267,11 @@ intel_bufferobj_unmap(GLcontext * ctx,
    assert(intel_obj);
    if (intel_obj->buffer != NULL) {
       assert(obj->Pointer);
-      dri_bo_unmap(intel_obj->buffer);
+      if (intel_obj->mapped_gtt) {
+	 drm_intel_gem_bo_unmap_gtt(intel_obj->buffer);
+      } else {
+	 drm_intel_bo_unmap(intel_obj->buffer);
+      }
       obj->Pointer = NULL;
    }
    return GL_TRUE;
@@ -253,6 +290,18 @@ intel_bufferobj_buffer(struct intel_context *intel,
       }
    }
 
+   if (intel_obj->buffer == NULL) {
+      intel_bufferobj_alloc_buffer(intel, intel_obj);
+      intel_bufferobj_subdata(&intel->ctx,
+			      GL_ARRAY_BUFFER_ARB,
+			      0,
+			      intel_obj->Base.Size,
+			      intel_obj->sys_buffer,
+			      &intel_obj->Base);
+      _mesa_free(intel_obj->sys_buffer);
+      intel_obj->sys_buffer = NULL;
+   }
+
    return intel_obj->buffer;
 }
 
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.h b/src/mesa/drivers/dri/intel/intel_buffer_objects.h
index bf6dbd58f27..04310156319 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.h
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.h
@@ -42,10 +42,13 @@ struct intel_buffer_object
 {
    struct gl_buffer_object Base;
    dri_bo *buffer;     /* the low-level buffer manager's buffer handle */
+   /** System memory buffer data, if not using a BO to store the data. */
+   void *sys_buffer;
 
    struct intel_region *region; /* Is there a zero-copy texture
                                    associated with this (pixel)
                                    buffer object? */
+   GLboolean mapped_gtt;
 };
 
 
diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c
index b86cafea241..d2fad9e4ea1 100644
--- a/src/mesa/drivers/dri/intel/intel_buffers.c
+++ b/src/mesa/drivers/dri/intel/intel_buffers.c
@@ -276,7 +276,7 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
       ctx->Driver.Enable(ctx, GL_DEPTH_TEST,
                          (ctx->Depth.Test && fb->Visual.depthBits > 0));
       ctx->Driver.Enable(ctx, GL_STENCIL_TEST,
-                         (ctx->Stencil._Enabled && fb->Visual.stencilBits > 0));
+                         (ctx->Stencil.Enabled && fb->Visual.stencilBits > 0));
    }
    else {
       /* Mesa's Stencil._Enabled field is updated when
diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c
index eb0d890f477..19f47632ac0 100644
--- a/src/mesa/drivers/dri/intel/intel_clear.c
+++ b/src/mesa/drivers/dri/intel/intel_clear.c
@@ -255,14 +255,16 @@ intel_clear_tris(GLcontext *ctx, GLbitfield mask)
       /* Control writing of the stencil clear value to stencil. */
       if (this_mask & BUFFER_BIT_STENCIL) {
 	 _mesa_Enable(GL_STENCIL_TEST);
-	 _mesa_StencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
-	 _mesa_StencilFuncSeparate(GL_FRONT, GL_ALWAYS, ctx->Stencil.Clear,
+	 _mesa_StencilOpSeparate(GL_FRONT_AND_BACK,
+				 GL_REPLACE, GL_REPLACE, GL_REPLACE);
+	 _mesa_StencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS,
+				   ctx->Stencil.Clear,
 				   ctx->Stencil.WriteMask[0]);
       } else {
 	 _mesa_Disable(GL_STENCIL_TEST);
       }
 
-      CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
+      _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
       mask &= ~this_mask;
    }
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 5dc3df395d1..1222a9a8c6f 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -71,6 +71,8 @@ int INTEL_DEBUG = (0);
 #define DRIVER_DATE_GEM                 "GEM " DRIVER_DATE
 
 
+static void intel_flush(GLcontext *ctx, GLboolean needs_mi_flush);
+
 static const GLubyte *
 intelGetString(GLcontext * ctx, GLenum name)
 {
@@ -394,7 +396,16 @@ intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
     if (!driContext->driScreenPriv->dri2.enabled)
 	return;
 
-    if (!intel->internal_viewport_call) {
+    if (!intel->internal_viewport_call && ctx->DrawBuffer->Name == 0) {
+       /* If we're rendering to the fake front buffer, make sure all the pending
+	* drawing has landed on the real front buffer.  Otherwise when we
+	* eventually get to DRI2GetBuffersWithFormat the stale real front
+	* buffer contents will get copied to the new fake front buffer.
+	*/
+       if (intel->is_front_buffer_rendering) {
+	  intel_flush(ctx, GL_FALSE);
+       }
+
        intel_update_renderbuffers(driContext, driContext->driDrawablePriv);
        if (driContext->driDrawablePriv != driContext->driReadablePriv)
 	  intel_update_renderbuffers(driContext, driContext->driReadablePriv);
diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index f45e24ca3a1..b5cf7e6648e 100644
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -559,4 +559,10 @@ intel_context(GLcontext * ctx)
    return (struct intel_context *) ctx;
 }
 
+static INLINE GLboolean
+is_power_of_two(uint32_t value)
+{
+   return (value & (value - 1)) == 0;
+}
+
 #endif
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index 1db7f5594e9..a2ccae1b7d6 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -401,6 +401,14 @@ intel_texture_bitmap(GLcontext * ctx,
       return GL_FALSE;
    }
 
+   if (!ctx->Extensions.ARB_texture_non_power_of_two &&
+       (!is_power_of_two(width) || !is_power_of_two(height))) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr,
+		 "glBitmap() fallback: NPOT texture\n");
+      return GL_FALSE;
+   }
+
    /* Check that we can load in a texture this big. */
    if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
        height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
@@ -499,7 +507,7 @@ intel_texture_bitmap(GLcontext * ctx,
    _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords);
    _mesa_Enable(GL_VERTEX_ARRAY);
    _mesa_Enable(GL_TEXTURE_COORD_ARRAY);
-   CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
+   _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
    intel_meta_restore_transform(intel);
    intel_meta_restore_fragment_program(intel);
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
index e8d5ac8569d..d80069dd586 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
@@ -97,7 +97,7 @@ intel_texture_drawpixels(GLcontext * ctx,
    /* We don't have a way to generate fragments with stencil values which
     * will set the resulting stencil value.
     */
-   if (format == GL_STENCIL_INDEX)
+   if (format == GL_STENCIL_INDEX || format == GL_DEPTH_STENCIL)
       return GL_FALSE;
 
    /* Check that we can load in a texture this big. */
@@ -120,6 +120,14 @@ intel_texture_drawpixels(GLcontext * ctx,
       return GL_FALSE;
    }
 
+   if (!ctx->Extensions.ARB_texture_non_power_of_two &&
+       (!is_power_of_two(width) || !is_power_of_two(height))) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr,
+		 "glDrawPixels() fallback: NPOT texture\n");
+      return GL_FALSE;
+   }
+
    _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT |
 		    GL_CURRENT_BIT);
    _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
@@ -183,7 +191,7 @@ intel_texture_drawpixels(GLcontext * ctx,
    _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords);
    _mesa_Enable(GL_VERTEX_ARRAY);
    _mesa_Enable(GL_TEXTURE_COORD_ARRAY);
-   CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
+   _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
    intel_meta_restore_transform(intel);
 
@@ -273,6 +281,14 @@ intel_stencil_drawpixels(GLcontext * ctx,
       return GL_FALSE;
    }
 
+   if (!ctx->Extensions.ARB_texture_non_power_of_two &&
+       (!is_power_of_two(width) || !is_power_of_two(height))) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr,
+		 "glDrawPixels(GL_STENCIL_INDEX) fallback: NPOT texture\n");
+      return GL_FALSE;
+   }
+
    _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT |
 		    GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
@@ -367,7 +383,7 @@ intel_stencil_drawpixels(GLcontext * ctx,
    _mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &texcoords);
    _mesa_Enable(GL_VERTEX_ARRAY);
    _mesa_Enable(GL_TEXTURE_COORD_ARRAY);
-   CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4));
+   _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
    intel_meta_restore_transform(intel);
 
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 65e62947ef6..0f278b3acdd 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -236,7 +236,7 @@ intel_get_param(__DRIscreenPrivate *psp, int param, int *value)
 
    ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
    if (ret) {
-      fprintf(stderr, "drm_i915_getparam: %d\n", ret);
+      _mesa_warning(NULL, "drm_i915_getparam: %d", ret);
       return GL_FALSE;
    }
 
@@ -395,6 +395,30 @@ intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
 static void
 intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv)
 {
+   struct intel_framebuffer *intel_fb = driDrawPriv->driverPrivate;
+   struct intel_renderbuffer *depth_rb;
+   struct intel_renderbuffer *stencil_rb;
+
+   if (intel_fb) {
+      if (intel_fb->color_rb[0]) {
+         intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL);
+      }
+
+      if (intel_fb->color_rb[1]) {
+         intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL);
+      }
+
+      depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
+      if (depth_rb) {
+         intel_renderbuffer_set_region(depth_rb, NULL);
+      }
+
+      stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
+      if (stencil_rb) {
+         intel_renderbuffer_set_region(stencil_rb, NULL);
+      }
+   }
+
    _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL);
 }
 
diff --git a/src/mesa/drivers/dri/intel/intel_tex_image.c b/src/mesa/drivers/dri/intel/intel_tex_image.c
index 1f192dafbe1..5e61e9e95ec 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_image.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_image.c
@@ -208,7 +208,7 @@ try_pbo_upload(struct intel_context *intel,
    if (!pbo ||
        intel->ctx._ImageTransferState ||
        unpack->SkipPixels || unpack->SkipRows) {
-      _mesa_printf("%s: failure 1\n", __FUNCTION__);
+      DBG("%s: failure 1\n", __FUNCTION__);
       return GL_FALSE;
    }
 
@@ -264,7 +264,7 @@ try_pbo_zcopy(struct intel_context *intel,
    if (!pbo ||
        intel->ctx._ImageTransferState ||
        unpack->SkipPixels || unpack->SkipRows) {
-      _mesa_printf("%s: failure 1\n", __FUNCTION__);
+      DBG("%s: failure 1\n", __FUNCTION__);
       return GL_FALSE;
    }
 
@@ -283,7 +283,7 @@ try_pbo_zcopy(struct intel_context *intel,
    dst_stride = intelImage->mt->pitch;
 
    if (src_stride != dst_stride || dst_offset != 0 || src_offset != 0) {
-      _mesa_printf("%s: failure 2\n", __FUNCTION__);
+      DBG("%s: failure 2\n", __FUNCTION__);
       return GL_FALSE;
    }
 
@@ -637,6 +637,12 @@ intel_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
    struct intel_context *intel = intel_context(ctx);
    struct intel_texture_image *intelImage = intel_texture_image(texImage);
 
+   /* If we're reading from a texture that has been rendered to, need to
+    * make sure rendering is complete.
+    * We could probably predicate this on texObj->_RenderToTexture
+    */
+   intelFlush(ctx);
+
    /* Map */
    if (intelImage->mt) {
       /* Image is stored in hardware format in a buffer managed by the
diff --git a/src/mesa/drivers/dri/r200/r200_context.c b/src/mesa/drivers/dri/r200/r200_context.c
index c06751516eb..058296eab23 100644
--- a/src/mesa/drivers/dri/r200/r200_context.c
+++ b/src/mesa/drivers/dri/r200/r200_context.c
@@ -405,6 +405,8 @@ GLboolean r200CreateContext( const __GLcontextModes *glVisual,
 
    ctx->Const.MaxDrawBuffers = 1;
 
+   _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
+
    /* Initialize the software rasterizer and helper modules.
     */
    _swrast_CreateContext( ctx );
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 8f0effd83e2..7d6705058fe 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -327,6 +327,8 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 
 	ctx->Const.MaxDrawBuffers = 1;
 
+	_mesa_set_mvp_with_dp4( ctx, GL_TRUE );
+
 	/* Initialize the software rasterizer and helper modules.
 	 */
 	_swrast_CreateContext(ctx);
diff --git a/src/mesa/drivers/dri/radeon/radeon_context.c b/src/mesa/drivers/dri/radeon/radeon_context.c
index ea81a3250b7..b67bda7d06a 100644
--- a/src/mesa/drivers/dri/radeon/radeon_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_context.c
@@ -355,6 +355,8 @@ radeonCreateContext( const __GLcontextModes *glVisual,
 
    ctx->Const.MaxDrawBuffers = 1;
 
+   _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
+
    /* Initialize the software rasterizer and helper modules.
     */
    _swrast_CreateContext( ctx );
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index 3b004a3ee25..34e0b8bc8d7 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -2218,7 +2218,7 @@ Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap,
    if (!dpy || !config || !pixmap)
       return 0;
 
-   for (attr = attribList; *attr; attr++) {
+   for (attr = attribList; attr && *attr; attr++) {
       switch (*attr) {
       case GLX_TEXTURE_FORMAT_EXT:
          attr++;
diff --git a/src/mesa/main/api_noop.c b/src/mesa/main/api_noop.c
index a1cc3a2a4b8..66f9c4e6bdb 100644
--- a/src/mesa/main/api_noop.c
+++ b/src/mesa/main/api_noop.c
@@ -477,7 +477,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib4fvNV( GLuint index, const GLfloat
 static void GLAPIENTRY _mesa_noop_VertexAttrib1fARB( GLuint index, GLfloat x )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], x, 0, 0, 1);
    }
    else
@@ -487,7 +487,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib1fARB( GLuint index, GLfloat x )
 static void GLAPIENTRY _mesa_noop_VertexAttrib1fvARB( GLuint index, const GLfloat *v )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], v[0], 0, 0, 1);
    }
    else
@@ -497,7 +497,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib1fvARB( GLuint index, const GLfloa
 static void GLAPIENTRY _mesa_noop_VertexAttrib2fARB( GLuint index, GLfloat x, GLfloat y )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], x, y, 0, 1);
    }
    else
@@ -507,7 +507,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib2fARB( GLuint index, GLfloat x, GL
 static void GLAPIENTRY _mesa_noop_VertexAttrib2fvARB( GLuint index, const GLfloat *v )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], v[0], v[1], 0, 1);
    }
    else
@@ -518,7 +518,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib3fARB( GLuint index, GLfloat x,
                                   GLfloat y, GLfloat z )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], x, y, z, 1);
    }
    else
@@ -528,7 +528,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib3fARB( GLuint index, GLfloat x,
 static void GLAPIENTRY _mesa_noop_VertexAttrib3fvARB( GLuint index, const GLfloat *v )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], v[0], v[1], v[2], 1);
    }
    else
@@ -539,7 +539,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib4fARB( GLuint index, GLfloat x,
                                   GLfloat y, GLfloat z, GLfloat w )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], x, y, z, w);
    }
    else
@@ -549,7 +549,7 @@ static void GLAPIENTRY _mesa_noop_VertexAttrib4fARB( GLuint index, GLfloat x,
 static void GLAPIENTRY _mesa_noop_VertexAttrib4fvARB( GLuint index, const GLfloat *v )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (index < MAX_VERTEX_ATTRIBS) {
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS) {
       ASSIGN_4V(ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index], v[0], v[1], v[2], v[3]);
    }
    else
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index 42d1e579e08..2c6f370df94 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -40,7 +40,7 @@ max_buffer_index(GLcontext *ctx, GLuint count, GLenum type,
 {
    const GLubyte *map = NULL;
    GLuint max = 0;
-   GLint i;
+   GLuint i;
 
    if (elementBuf->Name) {
       /* elements are in a user-defined buffer object.  need to map it */
@@ -224,7 +224,7 @@ _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode,
    /* Vertex buffer object tests */
    if (ctx->Array.ElementArrayBufferObj->Name) {
       /* use indices in the buffer object */
-      GLuint indexBytes;
+      GLsizei indexBytes;
 
       if (type == GL_UNSIGNED_INT) {
          indexBytes = count * sizeof(GLuint);
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index e43fa96dd31..a609199504e 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.3
+ * Version:  7.6
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  * Copyright (C) 2009  VMware, Inc.   All Rights Reserved.
@@ -541,6 +541,7 @@ end:
 static void
 pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
 {
+   const GLuint curTexUnitSave = ctx->Texture.CurrentUnit;
    GLuint i;
 
 #define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM)		\
@@ -685,59 +686,51 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
 
    /* texture unit enables */
    for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
-      if (ctx->Texture.Unit[i].Enabled != enable->Texture[i]) {
-         ctx->Texture.Unit[i].Enabled = enable->Texture[i];
-         if (ctx->Driver.Enable) {
-            if (ctx->Driver.ActiveTexture) {
-               (*ctx->Driver.ActiveTexture)(ctx, i);
-            }
-            (*ctx->Driver.Enable)( ctx, GL_TEXTURE_1D,
-                             (GLboolean) (enable->Texture[i] & TEXTURE_1D_BIT) );
-            (*ctx->Driver.Enable)( ctx, GL_TEXTURE_2D,
-                             (GLboolean) (enable->Texture[i] & TEXTURE_2D_BIT) );
-            (*ctx->Driver.Enable)( ctx, GL_TEXTURE_3D,
-                             (GLboolean) (enable->Texture[i] & TEXTURE_3D_BIT) );
-            if (ctx->Extensions.ARB_texture_cube_map)
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_CUBE_MAP_ARB,
-                          (GLboolean) (enable->Texture[i] & TEXTURE_CUBE_BIT) );
-            if (ctx->Extensions.NV_texture_rectangle)
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_RECTANGLE_NV,
-                          (GLboolean) (enable->Texture[i] & TEXTURE_RECT_BIT) );
+      const GLbitfield enabled = enable->Texture[i];
+      const GLbitfield genEnabled = enable->TexGen[i];
+
+      if (ctx->Texture.Unit[i].Enabled != enabled) {
+         _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
+
+         _mesa_set_enable(ctx, GL_TEXTURE_1D,
+                          (enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE);
+         _mesa_set_enable(ctx, GL_TEXTURE_2D,
+                          (enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE);
+         _mesa_set_enable(ctx, GL_TEXTURE_3D,
+                          (enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE);
+         if (ctx->Extensions.NV_texture_rectangle) {
+            _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_ARB,
+                             (enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
+         }
+         if (ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP,
+                             (enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE);
+         }
+         if (ctx->Extensions.MESA_texture_array) {
+            _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
+                           (enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+            _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
+                           (enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
          }
       }
 
-      if (ctx->Texture.Unit[i].TexGenEnabled != enable->TexGen[i]) {
-         ctx->Texture.Unit[i].TexGenEnabled = enable->TexGen[i];
-         if (ctx->Driver.Enable) {
-            if (ctx->Driver.ActiveTexture) {
-               (*ctx->Driver.ActiveTexture)(ctx, i);
-            }
-            if (enable->TexGen[i] & S_BIT)
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_S, GL_TRUE);
-            else
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_S, GL_FALSE);
-            if (enable->TexGen[i] & T_BIT)
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_T, GL_TRUE);
-            else
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_T, GL_FALSE);
-            if (enable->TexGen[i] & R_BIT)
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_R, GL_TRUE);
-            else
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_R, GL_FALSE);
-            if (enable->TexGen[i] & Q_BIT)
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_TRUE);
-            else
-               (*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
-         }
+      if (ctx->Texture.Unit[i].TexGenEnabled != genEnabled) {
+         _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
+         _mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
+                          (genEnabled & S_BIT) ? GL_TRUE : GL_FALSE);
+         _mesa_set_enable(ctx, GL_TEXTURE_GEN_T,
+                          (genEnabled & T_BIT) ? GL_TRUE : GL_FALSE);
+         _mesa_set_enable(ctx, GL_TEXTURE_GEN_R,
+                          (genEnabled & R_BIT) ? GL_TRUE : GL_FALSE);
+         _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q,
+                          (genEnabled & Q_BIT) ? GL_TRUE : GL_FALSE);
       }
 
       /* GL_SGI_texture_color_table */
       ctx->Texture.Unit[i].ColorTableEnabled = enable->TextureColorTable[i];
    }
 
-   if (ctx->Driver.ActiveTexture) {
-      (*ctx->Driver.ActiveTexture)(ctx, ctx->Texture.CurrentUnit);
-   }
+   _mesa_ActiveTextureARB(GL_TEXTURE0 + curTexUnitSave);
 }
 
 
@@ -770,6 +763,13 @@ pop_texture_group(GLcontext *ctx, struct texture_state *texstate)
          _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_NV,
                      (unit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
       }
+      if (ctx->Extensions.MESA_texture_array) {
+         _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
+                 (unit->Enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+         _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
+                 (unit->Enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+      }
+
       if (ctx->Extensions.SGI_texture_color_table) {
          _mesa_set_enable(ctx, GL_TEXTURE_COLOR_TABLE_SGI,
                           unit->ColorTableEnabled);
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 93103fe878d..e79bbc2ac5f 100644
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -468,9 +468,9 @@ do {                                                                    \
 #endif
 
 
-
+#ifndef Elements
 #define Elements(x) (sizeof(x)/sizeof(*(x)))
-
+#endif
 
 
 
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 2a9fdf9ca05..f7acd2f08e0 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -180,14 +180,14 @@
 /*@{*/
 #define MAX_PROGRAM_INSTRUCTIONS  (16 * 1024)
 #define MAX_PROGRAM_LOCAL_PARAMS 256 /**< per-program constants (power of two) */
-#define MAX_PROGRAM_ENV_PARAMS 128
+#define MAX_PROGRAM_ENV_PARAMS 256   /**< per-context constants (power of two) */
 #define MAX_PROGRAM_MATRICES 8
 #define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
 #define MAX_PROGRAM_CALL_DEPTH 8
 #define MAX_PROGRAM_TEMPS 256
 #define MAX_PROGRAM_ADDRESS_REGS 2
 #define MAX_UNIFORMS 1024  /**< number of vec4 uniforms */
-#define MAX_VARYING 8      /**< number of float[4] vectors */
+#define MAX_VARYING 16     /**< number of float[4] vectors */
 #define MAX_SAMPLERS MAX_TEXTURE_IMAGE_UNITS
 #define MAX_PROGRAM_INPUTS 32
 #define MAX_PROGRAM_OUTPUTS 32
@@ -197,7 +197,7 @@
 /*@{*/
 #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
 #define MAX_NV_VERTEX_PROGRAM_TEMPS         12
-#define MAX_NV_VERTEX_PROGRAM_PARAMS        MAX_PROGRAM_ENV_PARAMS
+#define MAX_NV_VERTEX_PROGRAM_PARAMS        96
 #define MAX_NV_VERTEX_PROGRAM_INPUTS        16
 #define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15
 /*@}*/
@@ -215,7 +215,7 @@
 
 /** For GL_ARB_vertex_shader */
 /*@{*/
-#define MAX_VERTEX_ATTRIBS 16
+#define MAX_VERTEX_GENERIC_ATTRIBS 16
 #define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS
 #define MAX_COMBINED_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS
 /*@}*/
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index a947f69632f..0a4c9acdfe9 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1256,6 +1256,24 @@ initialize_framebuffer_size(GLcontext *ctx, GLframebuffer *fb)
 
 
 /**
+ * Check if the viewport/scissor size has not yet been initialized.
+ * Initialize the size if the given width and height are non-zero.
+ */
+void
+_mesa_check_init_viewport(GLcontext *ctx, GLuint width, GLuint height)
+{
+   if (!ctx->ViewportInitialized && width > 0 && height > 0) {
+      /* Note: set flag here, before calling _mesa_set_viewport(), to prevent
+       * potential infinite recursion.
+       */
+      ctx->ViewportInitialized = GL_TRUE;
+      _mesa_set_viewport(ctx, 0, 0, width, height);
+      _mesa_set_scissor(ctx, 0, 0, width, height);
+   }
+}
+
+
+/**
  * Bind the given context to the given drawBuffer and readBuffer and
  * make it the current context for the calling thread.
  * We'll render into the drawBuffer and read pixels from the
@@ -1372,25 +1390,24 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
          ASSERT(drawBuffer->Height > 0);
 #endif
 
-         if (newCtx->FirstTimeCurrent) {
-            /* set initial viewport and scissor size now */
-            _mesa_set_viewport(newCtx, 0, 0,
-                               drawBuffer->Width, drawBuffer->Height);
-	    _mesa_set_scissor(newCtx, 0, 0,
-			      drawBuffer->Width, drawBuffer->Height );
-            check_context_limits(newCtx);
+         if (drawBuffer) {
+            _mesa_check_init_viewport(newCtx,
+                                      drawBuffer->Width, drawBuffer->Height);
          }
       }
 
-      /* We can use this to help debug user's problems.  Tell them to set
-       * the MESA_INFO env variable before running their app.  Then the
-       * first time each context is made current we'll print some useful
-       * information.
-       */
       if (newCtx->FirstTimeCurrent) {
+         check_context_limits(newCtx);
+
+         /* We can use this to help debug user's problems.  Tell them to set
+          * the MESA_INFO env variable before running their app.  Then the
+          * first time each context is made current we'll print some useful
+          * information.
+          */
 	 if (_mesa_getenv("MESA_INFO")) {
 	    _mesa_print_info();
 	 }
+
 	 newCtx->FirstTimeCurrent = GL_FALSE;
       }
    }
diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h
index 6b3e1b2b973..0531ae8ee86 100644
--- a/src/mesa/main/context.h
+++ b/src/mesa/main/context.h
@@ -130,6 +130,9 @@ extern void
 _mesa_copy_context(const GLcontext *src, GLcontext *dst, GLuint mask);
 
 
+extern void
+_mesa_check_init_viewport(GLcontext *ctx, GLuint width, GLuint height);
+
 extern GLboolean
 _mesa_make_current( GLcontext *ctx, GLframebuffer *drawBuffer,
                     GLframebuffer *readBuffer );
diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index 2eabcdaf493..b54e47919dd 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -282,7 +282,7 @@ write_texture_image(struct gl_texture_object *texObj)
       case MESA_FORMAT_RGB565:
          {
             GLubyte *buf2 = (GLubyte *) _mesa_malloc(img->Width * img->Height * 3);
-            GLint i;
+            GLuint i;
             for (i = 0; i < img->Width * img->Height; i++) {
                GLint r, g, b;
                GLushort s = ((GLushort *) img->Data)[i];
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 537ff5881f3..782f847904e 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -4974,7 +4974,7 @@ save_Attr1fARB(GLenum attr, GLfloat x)
       n[2].f = x;
    }
 
-   ASSERT(attr < MAX_VERTEX_ATTRIBS);
+   ASSERT(attr < MAX_VERTEX_GENERIC_ATTRIBS);
    ctx->ListState.ActiveAttribSize[attr] = 1;
    ASSIGN_4V(ctx->ListState.CurrentAttrib[attr], x, 0, 0, 1);
 
@@ -4996,7 +4996,7 @@ save_Attr2fARB(GLenum attr, GLfloat x, GLfloat y)
       n[3].f = y;
    }
 
-   ASSERT(attr < MAX_VERTEX_ATTRIBS);
+   ASSERT(attr < MAX_VERTEX_GENERIC_ATTRIBS);
    ctx->ListState.ActiveAttribSize[attr] = 2;
    ASSIGN_4V(ctx->ListState.CurrentAttrib[attr], x, y, 0, 1);
 
@@ -5019,7 +5019,7 @@ save_Attr3fARB(GLenum attr, GLfloat x, GLfloat y, GLfloat z)
       n[4].f = z;
    }
 
-   ASSERT(attr < MAX_VERTEX_ATTRIBS);
+   ASSERT(attr < MAX_VERTEX_GENERIC_ATTRIBS);
    ctx->ListState.ActiveAttribSize[attr] = 3;
    ASSIGN_4V(ctx->ListState.CurrentAttrib[attr], x, y, z, 1);
 
@@ -5043,7 +5043,7 @@ save_Attr4fARB(GLenum attr, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
       n[5].f = w;
    }
 
-   ASSERT(attr < MAX_VERTEX_ATTRIBS);
+   ASSERT(attr < MAX_VERTEX_GENERIC_ATTRIBS);
    ctx->ListState.ActiveAttribSize[attr] = 4;
    ASSIGN_4V(ctx->ListState.CurrentAttrib[attr], x, y, z, w);
 
@@ -5506,7 +5506,7 @@ index_error(void)
 static void GLAPIENTRY
 save_VertexAttrib1fNV(GLuint index, GLfloat x)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr1fNV(index, x);
    else
       index_error();
@@ -5515,7 +5515,7 @@ save_VertexAttrib1fNV(GLuint index, GLfloat x)
 static void GLAPIENTRY
 save_VertexAttrib1fvNV(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr1fNV(index, v[0]);
    else
       index_error();
@@ -5524,7 +5524,7 @@ save_VertexAttrib1fvNV(GLuint index, const GLfloat * v)
 static void GLAPIENTRY
 save_VertexAttrib2fNV(GLuint index, GLfloat x, GLfloat y)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr2fNV(index, x, y);
    else
       index_error();
@@ -5533,7 +5533,7 @@ save_VertexAttrib2fNV(GLuint index, GLfloat x, GLfloat y)
 static void GLAPIENTRY
 save_VertexAttrib2fvNV(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr2fNV(index, v[0], v[1]);
    else
       index_error();
@@ -5542,7 +5542,7 @@ save_VertexAttrib2fvNV(GLuint index, const GLfloat * v)
 static void GLAPIENTRY
 save_VertexAttrib3fNV(GLuint index, GLfloat x, GLfloat y, GLfloat z)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr3fNV(index, x, y, z);
    else
       index_error();
@@ -5551,7 +5551,7 @@ save_VertexAttrib3fNV(GLuint index, GLfloat x, GLfloat y, GLfloat z)
 static void GLAPIENTRY
 save_VertexAttrib3fvNV(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr3fNV(index, v[0], v[1], v[2]);
    else
       index_error();
@@ -5561,7 +5561,7 @@ static void GLAPIENTRY
 save_VertexAttrib4fNV(GLuint index, GLfloat x, GLfloat y,
                       GLfloat z, GLfloat w)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr4fNV(index, x, y, z, w);
    else
       index_error();
@@ -5570,7 +5570,7 @@ save_VertexAttrib4fNV(GLuint index, GLfloat x, GLfloat y,
 static void GLAPIENTRY
 save_VertexAttrib4fvNV(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_PROGRAM_ATTRIBS)
+   if (index < MAX_NV_VERTEX_PROGRAM_INPUTS)
       save_Attr4fNV(index, v[0], v[1], v[2], v[3]);
    else
       index_error();
@@ -5582,7 +5582,7 @@ save_VertexAttrib4fvNV(GLuint index, const GLfloat * v)
 static void GLAPIENTRY
 save_VertexAttrib1fARB(GLuint index, GLfloat x)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr1fARB(index, x);
    else
       index_error();
@@ -5591,7 +5591,7 @@ save_VertexAttrib1fARB(GLuint index, GLfloat x)
 static void GLAPIENTRY
 save_VertexAttrib1fvARB(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr1fARB(index, v[0]);
    else
       index_error();
@@ -5600,7 +5600,7 @@ save_VertexAttrib1fvARB(GLuint index, const GLfloat * v)
 static void GLAPIENTRY
 save_VertexAttrib2fARB(GLuint index, GLfloat x, GLfloat y)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr2fARB(index, x, y);
    else
       index_error();
@@ -5609,7 +5609,7 @@ save_VertexAttrib2fARB(GLuint index, GLfloat x, GLfloat y)
 static void GLAPIENTRY
 save_VertexAttrib2fvARB(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr2fARB(index, v[0], v[1]);
    else
       index_error();
@@ -5618,7 +5618,7 @@ save_VertexAttrib2fvARB(GLuint index, const GLfloat * v)
 static void GLAPIENTRY
 save_VertexAttrib3fARB(GLuint index, GLfloat x, GLfloat y, GLfloat z)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr3fARB(index, x, y, z);
    else
       index_error();
@@ -5627,7 +5627,7 @@ save_VertexAttrib3fARB(GLuint index, GLfloat x, GLfloat y, GLfloat z)
 static void GLAPIENTRY
 save_VertexAttrib3fvARB(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr3fARB(index, v[0], v[1], v[2]);
    else
       index_error();
@@ -5637,7 +5637,7 @@ static void GLAPIENTRY
 save_VertexAttrib4fARB(GLuint index, GLfloat x, GLfloat y, GLfloat z,
                        GLfloat w)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr4fARB(index, x, y, z, w);
    else
       index_error();
@@ -5646,7 +5646,7 @@ save_VertexAttrib4fARB(GLuint index, GLfloat x, GLfloat y, GLfloat z,
 static void GLAPIENTRY
 save_VertexAttrib4fvARB(GLuint index, const GLfloat * v)
 {
-   if (index < MAX_VERTEX_ATTRIBS)
+   if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       save_Attr4fARB(index, v[0], v[1], v[2], v[3]);
    else
       index_error();
diff --git a/src/mesa/main/enums.c b/src/mesa/main/enums.c
index c077bc0a89a..cf893fdac51 100644
--- a/src/mesa/main/enums.c
+++ b/src/mesa/main/enums.c
@@ -948,8 +948,8 @@ LONGSTRING static const char enum_string_table[] =
    "GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV\0"
    "GL_MAX_VARYING_FLOATS\0"
    "GL_MAX_VARYING_FLOATS_ARB\0"
-   "GL_MAX_VERTEX_ATTRIBS\0"
-   "GL_MAX_VERTEX_ATTRIBS_ARB\0"
+   "GL_MAX_VERTEX_GENERIC_ATTRIBS\0"
+   "GL_MAX_VERTEX_GENERIC_ATTRIBS_ARB\0"
    "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS\0"
    "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB\0"
    "GL_MAX_VERTEX_UNIFORM_COMPONENTS\0"
@@ -2772,8 +2772,8 @@ static const enum_elt all_enums[1820] =
    { 19417, 0x0000862E }, /* GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */
    { 19452, 0x00008B4B }, /* GL_MAX_VARYING_FLOATS */
    { 19474, 0x00008B4B }, /* GL_MAX_VARYING_FLOATS_ARB */
-   { 19500, 0x00008869 }, /* GL_MAX_VERTEX_ATTRIBS */
-   { 19522, 0x00008869 }, /* GL_MAX_VERTEX_ATTRIBS_ARB */
+   { 19500, 0x00008869 }, /* GL_MAX_VERTEX_GENERIC_ATTRIBS */
+   { 19522, 0x00008869 }, /* GL_MAX_VERTEX_GENERIC_ATTRIBS_ARB */
    { 19548, 0x00008B4C }, /* GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS */
    { 19582, 0x00008B4C }, /* GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB */
    { 19620, 0x00008B4A }, /* GL_MAX_VERTEX_UNIFORM_COMPONENTS */
@@ -4733,7 +4733,7 @@ static const unsigned reduced_enums[1319] =
        317, /* GL_CURRENT_QUERY */
       1259, /* GL_QUERY_RESULT */
       1261, /* GL_QUERY_RESULT_AVAILABLE */
-       912, /* GL_MAX_VERTEX_ATTRIBS */
+       912, /* GL_MAX_VERTEX_GENERIC_ATTRIBS */
       1778, /* GL_VERTEX_ATTRIB_ARRAY_NORMALIZED */
        368, /* GL_DEPTH_STENCIL_TO_RGBA_NV */
        367, /* GL_DEPTH_STENCIL_TO_BGRA_NV */
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index e8e8c2bf30e..83301f1e621 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -368,6 +368,11 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
             att->Complete = GL_FALSE;
             return;
          }
+         if (texImage->TexFormat->TexelBytes == 0) {
+            att_incomplete("compressed internalformat");
+            att->Complete = GL_FALSE;
+            return;
+         }
       }
       else if (format == GL_DEPTH) {
          if (texImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) {
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 332febf91f9..01fbe40a03b 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -2872,7 +2872,7 @@ extract_uint_indexes(GLuint n, GLuint indexes[],
             }
             else {
                for (i = 0; i < n; i++)
-                  indexes[i] = s[i] & 0xfff;  /* lower 8 bits */
+                  indexes[i] = s[i] & 0xff;  /* lower 8 bits */
             }
          }
          break;
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 01d59dd42da..59def651a39 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -55,7 +55,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 
 
 /** Convert GLbyte in [-128,127] to GLfloat in [-1.0,1.0], texture/fb data */
-#define BYTE_TO_FLOAT_TEX(B)    ((B) == -128 ? -1.0 : (B) * (1.0F/127.0F))
+#define BYTE_TO_FLOAT_TEX(B)    ((B) == -128 ? -1.0F : (B) * (1.0F/127.0F))
 
 /** Convert GLfloat in [-1.0,1.0] to GLbyte in [-128,127], texture/fb data */
 #define FLOAT_TO_BYTE_TEX(X)    ( (GLint) (127.0F * (X)) )
@@ -65,7 +65,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define USHORT_TO_FLOAT(S)  ((GLfloat) (S) * (1.0F / 65535.0F))
 
 /** Convert GLfloat in [0.0,1.0] to GLushort in [0, 65535] */
-#define FLOAT_TO_USHORT(X)   ((GLuint) ((X) * 65535.0))
+#define FLOAT_TO_USHORT(X)   ((GLuint) ((X) * 65535.0F))
 
 
 /** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0] */
@@ -76,7 +76,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 
 
 /** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0], texture/fb data */
-#define SHORT_TO_FLOAT_TEX(S)    ((S) == -32768 ? -1.0 : (S) * (1.0F/32767.0F))
+#define SHORT_TO_FLOAT_TEX(S)    ((S) == -32768 ? -1.0F : (S) * (1.0F/32767.0F))
 
 /** Convert GLfloat in [-1.0,1.0] to GLshort in [-32768,32767], texture/fb data */
 #define FLOAT_TO_SHORT_TEX(X)    ( (GLint) (32767.0F * (X)) )
@@ -86,7 +86,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define UINT_TO_FLOAT(U)    ((GLfloat) (U) * (1.0F / 4294967295.0F))
 
 /** Convert GLfloat in [0.0,1.0] to GLuint in [0,4294967295] */
-#define FLOAT_TO_UINT(X)    ((GLuint) ((X) * 4294967295.0))
+#define FLOAT_TO_UINT(X)    ((GLuint) ((X) * 4294967295.0F))
 
 
 /** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0] */
@@ -97,11 +97,11 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define FLOAT_TO_INT(X)     ( (((GLint) (4294967294.0F * (X))) - 1) / 2 )
 */
 /* a close approximation: */
-#define FLOAT_TO_INT(X)     ( (GLint) (2147483647.0 * (X)) )
+#define FLOAT_TO_INT(X)     ( (GLint) (2147483647.0F * (X)) )
 
 
 /** Convert GLint in [-2147483648,2147483647] to GLfloat in [-1.0,1.0], texture/fb data */
-#define INT_TO_FLOAT_TEX(I)    ((I) == -2147483648 ? -1.0 : (I) * (1.0F/2147483647.0))
+#define INT_TO_FLOAT_TEX(I)    ((I) == -2147483648 ? -1.0F : (I) * (1.0F/2147483647.0F))
 
 /** Convert GLfloat in [-1.0,1.0] to GLint in [-2147483648,2147483647], texture/fb data */
 #define FLOAT_TO_INT_TEX(X)    ( (GLint) (2147483647.0F * (X)) )
@@ -120,7 +120,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
 #define INT_TO_USHORT(i)   ((i) < 0 ? 0 : ((GLushort) ((i) >> 15)))
 #define UINT_TO_USHORT(i)  ((i) < 0 ? 0 : ((GLushort) ((i) >> 16)))
 #define UNCLAMPED_FLOAT_TO_USHORT(us, f)  \
-        us = ( (GLushort) IROUND( CLAMP((f), 0.0, 1.0) * 65535.0F) )
+        us = ( (GLushort) IROUND( CLAMP((f), 0.0F, 1.0F) * 65535.0F) )
 #define CLAMPED_FLOAT_TO_USHORT(us, f)  \
         us = ( (GLushort) IROUND( (f) * 65535.0F) )
 
diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index 39b4967a58e..ebc3cbd59c3 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -160,11 +160,21 @@ _mesa_MatrixMode( GLenum mode )
       ctx->CurrentStack = &ctx->ProjectionMatrixStack;
       break;
    case GL_TEXTURE:
+      /* This error check is disabled because if we're called from
+       * glPopAttrib() when the active texture unit is >= MaxTextureCoordUnits
+       * we'll generate an unexpected error.
+       * From the GL_ARB_vertex_shader spec it sounds like we should instead
+       * do error checking in other places when we actually try to access
+       * texture matrices beyond MaxTextureCoordUnits.
+       */
+#if 0
       if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
          _mesa_error(ctx, GL_INVALID_OPERATION, "glMatrixMode(invalid tex unit %d)",
                      ctx->Texture.CurrentUnit);
          return;
       }
+#endif
+      ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->TextureMatrixStack));
       ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit];
       break;
    case GL_COLOR:
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 7a719745fcc..b3067004842 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -1598,9 +1598,6 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target,
          return;
       }
 
-      if (dstImage->ImageOffsets)
-         _mesa_free(dstImage->ImageOffsets);
-
       /* Free old image data */
       if (dstImage->Data)
          ctx->Driver.FreeTexImageData(ctx, dstImage);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 50dc2def87f..84a082b253e 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2032,6 +2032,7 @@ struct gl_shader_state
    struct gl_shader_program *CurrentProgram; /**< The user-bound program */
    /** Driver-selectable options: */
    GLboolean EmitHighLevelInstructions; /**< IF/ELSE/ENDIF vs. BRA, etc. */
+   GLboolean EmitContReturn;            /**< Emit CONT/RET opcodes? */
    GLboolean EmitCondCodes;             /**< Use condition codes? */
    GLboolean EmitComments;              /**< Annotated instructions */
    void *MemPool;
@@ -2053,6 +2054,9 @@ struct gl_shared_state
    /** Default texture objects (shared by all texture units) */
    struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS];
 
+   /** Fallback texture used when a bound texture is incomplete */
+   struct gl_texture_object *FallbackTex;
+
    /**
     * \name Thread safety and statechange notification for texture
     * objects. 
@@ -2947,6 +2951,8 @@ struct __GLcontextRec
    GLenum RenderMode;        /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
    GLbitfield NewState;      /**< bitwise-or of _NEW_* flags */
 
+   GLboolean ViewportInitialized;  /**< has viewport size been initialized? */
+
    GLbitfield varying_vp_inputs;  /**< mask of VERT_BIT_* flags */
 
    /** \name Derived state */
diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
index 554e0b0d181..c25b31af023 100644
--- a/src/mesa/main/queryobj.c
+++ b/src/mesa/main/queryobj.c
@@ -83,13 +83,27 @@ void
 _mesa_wait_query(GLcontext *ctx, struct gl_query_object *q)
 {
    /* For software drivers, _mesa_end_query() should have completed the query.
-    * For real hardware, implement a proper WaitQuery() driver function.
+    * For real hardware, implement a proper WaitQuery() driver function,
+    * which may require issuing a flush.
     */
    assert(q->Ready);
 }
 
 
 /**
+ * Check if a query results are ready.  Software driver fallback.
+ * Called via ctx->Driver.CheckQuery().
+ */
+void
+_mesa_check_query(GLcontext *ctx, struct gl_query_object *q)
+{
+   /* No-op for sw rendering.
+    * HW drivers may need to flush at this time.
+    */
+}
+
+
+/**
  * Delete a query object.  Called via ctx->Driver.DeleteQuery().
  * Not removed from hash table here.
  */
diff --git a/src/mesa/main/queryobj.h b/src/mesa/main/queryobj.h
index 9a9774641bb..bc02b65b54c 100644
--- a/src/mesa/main/queryobj.h
+++ b/src/mesa/main/queryobj.h
@@ -48,6 +48,9 @@ _mesa_end_query(GLcontext *ctx, struct gl_query_object *q);
 extern void
 _mesa_wait_query(GLcontext *ctx, struct gl_query_object *q);
 
+extern void
+_mesa_check_query(GLcontext *ctx, struct gl_query_object *q);
+
 
 extern void GLAPIENTRY
 _mesa_GenQueriesARB(GLsizei n, GLuint *ids);
diff --git a/src/mesa/main/texenv.c b/src/mesa/main/texenv.c
index 4d511f2f7ed..4c04a7ed375 100644
--- a/src/mesa/main/texenv.c
+++ b/src/mesa/main/texenv.c
@@ -959,7 +959,7 @@ void GLAPIENTRY
 _mesa_GetTexBumpParameterivATI( GLenum pname, GLint *param )
 {
    const struct gl_texture_unit *texUnit;
-   GLint i;
+   GLuint i;
    GLint temp = 0;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -1006,7 +1006,7 @@ void GLAPIENTRY
 _mesa_GetTexBumpParameterfvATI( GLenum pname, GLfloat *param )
 {
    const struct gl_texture_unit *texUnit;
-   GLint i;
+   GLuint i;
    GLint temp = 0;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index a70d069bd9c..b92ba2542d2 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -877,6 +877,7 @@ static struct ureg get_source( struct texenv_fragment_program *p,
 
    default:
       assert(0);
+      return undef;
    }
 }
 
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index f3b2fb9c9c4..eb160deff93 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -1347,13 +1347,13 @@ static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage,
    const GLubyte cb = *src0 & 0xff;         /* chroma U */
    const GLubyte y1 = (*src1 >> 8) & 0xff;  /* luminance */
    const GLubyte cr = *src1 & 0xff;         /* chroma V */
-   const GLfloat y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
-   GLfloat r = 1.164 * (y - 16) + 1.596 * (cr - 128);
-   GLfloat g = 1.164 * (y - 16) - 0.813 * (cr - 128) - 0.391 * (cb - 128);
-   GLfloat b = 1.164 * (y - 16) + 2.018 * (cb - 128);
-   r *= (1.0 / 255.0F);
-   g *= (1.0 / 255.0F);
-   b *= (1.0 / 255.0F);
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
    texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
    texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
    texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
@@ -1388,13 +1388,13 @@ static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage,
    const GLubyte cr = (*src0 >> 8) & 0xff;  /* chroma V */
    const GLubyte y1 = *src1 & 0xff;         /* luminance */
    const GLubyte cb = (*src1 >> 8) & 0xff;  /* chroma U */
-   const GLfloat y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
-   GLfloat r = 1.164 * (y - 16) + 1.596 * (cr - 128);
-   GLfloat g = 1.164 * (y - 16) - 0.813 * (cr - 128) - 0.391 * (cb - 128);
-   GLfloat b = 1.164 * (y - 16) + 2.018 * (cb - 128);
-   r *= (1.0 / 255.0F);
-   g *= (1.0 / 255.0F);
-   b *= (1.0 / 255.0F);
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
    texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
    texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
    texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c
index 70a25080cb0..02409d80098 100644
--- a/src/mesa/main/texgetimage.c
+++ b/src/mesa/main/texgetimage.c
@@ -73,11 +73,11 @@ linear_to_nonlinear(GLfloat cl)
 {
    /* can't have values outside [0, 1] */
    GLfloat cs;
-   if (cl < 0.0031308) {
-      cs = 12.92 * cl;
+   if (cl < 0.0031308f) {
+      cs = 12.92f * cl;
    }
    else {
-      cs = 1.055 * _mesa_pow(cl, 0.41666) - 0.055;
+      cs = (GLfloat)(1.055 * _mesa_pow(cl, 0.41666) - 0.055);
    }
    return cs;
 }
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 76b46d700b5..6e21066537b 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1250,6 +1250,8 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
     * We allocate the array for 1D/2D textures too in order to avoid special-
     * case code in the texstore routines.
     */
+   if (img->ImageOffsets)
+      _mesa_free(img->ImageOffsets);
    img->ImageOffsets = (GLuint *) _mesa_malloc(depth * sizeof(GLuint));
    for (i = 0; i < depth; i++) {
       img->ImageOffsets[i] = i * width * height;
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index b63f747fe8d..89ee69770e4 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -662,6 +662,59 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
    }
 }
 
+
+/**
+ * Return pointer to a default/fallback texture.
+ * The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1).
+ * That's the value a sampler should get when sampling from an
+ * incomplete texture.
+ */
+struct gl_texture_object *
+_mesa_get_fallback_texture(GLcontext *ctx)
+{
+   if (!ctx->Shared->FallbackTex) {
+      /* create fallback texture now */
+      static GLubyte texels[8 * 8][4];
+      struct gl_texture_object *texObj;
+      struct gl_texture_image *texImage;
+      GLuint i;
+
+      for (i = 0; i < 8 * 8; i++) {
+         texels[i][0] =
+         texels[i][1] =
+         texels[i][2] = 0x0;
+         texels[i][3] = 0xff;
+      }
+
+      /* create texture object */
+      texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D);
+      assert(texObj->RefCount == 1);
+      texObj->MinFilter = GL_NEAREST;
+      texObj->MagFilter = GL_NEAREST;
+
+      /* create level[0] texture image */
+      texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0);
+
+      /* init the image fields */
+      _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage,
+                                    8, 8, 1, 0, GL_RGBA); 
+
+      /* set image data */
+      ctx->Driver.TexImage2D(ctx, GL_TEXTURE_2D, 0, GL_RGBA,
+                             8, 8, 0,
+                             GL_RGBA, GL_UNSIGNED_BYTE, texels,
+                             &ctx->DefaultPacking, texObj, texImage);
+
+      _mesa_test_texobj_completeness(ctx, texObj);
+      assert(texObj->_Complete);
+
+      ctx->Shared->FallbackTex = texObj;
+   }
+   return ctx->Shared->FallbackTex;
+}
+
+
+
 /*@}*/
 
 
@@ -891,6 +944,7 @@ _mesa_BindTexture( GLenum target, GLuint texName )
    struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
    struct gl_texture_object *newTexObj = NULL, *defaultTexObj = NULL;
    GLint targetIndex;
+   GLboolean early_out = GL_FALSE;
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
    if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
@@ -944,6 +998,17 @@ _mesa_BindTexture( GLenum target, GLuint texName )
 
    assert(valid_texture_object(newTexObj));
 
+   _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+   if ((ctx->Shared->RefCount == 1)
+       && (newTexObj == texUnit->CurrentTex[targetIndex])) {
+      early_out = GL_TRUE;
+   }
+   _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
+   if (early_out) {
+      return;
+   }
+
    /* flush before changing binding */
    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
 
diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h
index d5374c5d6c4..2599c0816a9 100644
--- a/src/mesa/main/texobj.h
+++ b/src/mesa/main/texobj.h
@@ -65,6 +65,9 @@ extern void
 _mesa_test_texobj_completeness( const GLcontext *ctx,
                                 struct gl_texture_object *obj );
 
+extern struct gl_texture_object *
+_mesa_get_fallback_texture(GLcontext *ctx);
+
 extern void
 _mesa_unlock_context_textures( GLcontext *ctx );
 
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index cef58d7a496..89da4335a2e 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -561,8 +561,13 @@ update_texture_state( GLcontext *ctx )
       }
 
       if (!texUnit->_ReallyEnabled) {
-         _mesa_reference_texobj(&texUnit->_Current, NULL);
-         continue;
+         /* If we get here it means the shader (or fixed-function state)
+          * is expecting a texture object, but there isn't one (or it's
+          * incomplete).  Use the fallback texture.
+          */
+         struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
+         texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
+         _mesa_reference_texobj(&texUnit->_Current, texObj);
       }
 
       /* if we get here, we know this texture unit is enabled */
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index f3739f950b0..bfced1b3f4f 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2689,12 +2689,45 @@ GLboolean
 _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
 {
    const GLfloat depthScale = (GLfloat) 0xffffff;
+   const GLint srcRowStride
+      = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
+      / sizeof(GLuint);
+   GLint img, row;
 
    ASSERT(dstFormat == &_mesa_texformat_z24_s8);
-   ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT);
-   ASSERT(srcType == GL_UNSIGNED_INT_24_8_EXT);
+   ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
+   ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
 
-   if (ctx->Pixel.DepthScale == 1.0f &&
+   /* In case we only upload depth we need to preserve the stencil */
+   if (srcFormat == GL_DEPTH_COMPONENT) {
+      for (img = 0; img < srcDepth; img++) {
+         GLuint *dstRow = (GLuint *) dstAddr
+            + dstImageOffsets[dstZoffset + img]
+            + dstYoffset * dstRowStride / sizeof(GLuint)
+            + dstXoffset;
+         const GLuint *src
+            = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+                  srcWidth, srcHeight,
+                  srcFormat, srcType,
+                  img, 0, 0);
+         for (row = 0; row < srcHeight; row++) {
+            GLuint depth[MAX_WIDTH];
+            GLint i;
+            _mesa_unpack_depth_span(ctx, srcWidth,
+                                    GL_UNSIGNED_INT, /* dst type */
+                                    depth, /* dst addr */
+                                    depthScale,
+                                    srcType, src, srcPacking);
+
+            for (i = 0; i < srcWidth; i++)
+               dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);
+
+            src += srcRowStride;
+            dstRow += dstRowStride / sizeof(GLuint);
+         }
+      }
+   }
+   else if (ctx->Pixel.DepthScale == 1.0f &&
        ctx->Pixel.DepthBias == 0.0f &&
        !srcPacking->SwapBytes) {
       /* simple path */
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 72b3e834b3a..8f6621ee45f 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -534,10 +534,11 @@ _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
 {
    GLboolean normalized = GL_FALSE;
    GLsizei elementSize;
+   GLenum format;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (index >= MAX_VERTEX_PROGRAM_ATTRIBS) {
+   if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
       _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)");
       return;
    }
@@ -557,6 +558,21 @@ _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
       return;
    }
 
+   if (size == GL_BGRA) {
+      if (type != GL_UNSIGNED_BYTE) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glVertexAttribPointerNV(GL_BGRA/type)");
+         return;
+      }
+
+      format = GL_BGRA;
+      size = 4;
+      normalized = GL_TRUE;
+   }
+   else {
+      format = GL_RGBA;
+   }
+
    /* check for valid 'type' and compute StrideB right away */
    switch (type) {
       case GL_UNSIGNED_BYTE:
@@ -579,7 +595,7 @@ _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
 
    update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index],
                 _NEW_ARRAY_ATTRIB(index),
-                elementSize, size, type, GL_RGBA, stride, normalized, ptr);
+                elementSize, size, type, format, stride, normalized, ptr);
 
    if (ctx->Driver.VertexAttribPointer)
       ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, ptr );
@@ -621,9 +637,14 @@ _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
                      "glVertexAttribPointerARB(GL_BGRA/type)");
          return;
       }
+      if (normalized != GL_TRUE) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glVertexAttribPointerARB(GL_BGRA/normalized)");
+         return;
+      }
+
       format = GL_BGRA;
       size = 4;
-      normalized = GL_TRUE;
    }
    else {
       format = GL_RGBA;
@@ -668,7 +689,7 @@ _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
 
    update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index],
                 _NEW_ARRAY_ATTRIB(index),
-                elementSize, size, type, GL_RGBA, stride, normalized, ptr);
+                elementSize, size, type, format, stride, normalized, ptr);
 
    if (ctx->Driver.VertexAttribPointer)
       ctx->Driver.VertexAttribPointer(ctx, index, size, type, stride, ptr);
diff --git a/src/mesa/main/version.h b/src/mesa/main/version.h
index 015ac71a178..52ee324d172 100644
--- a/src/mesa/main/version.h
+++ b/src/mesa/main/version.h
@@ -31,7 +31,7 @@
 #define MESA_MAJOR 7
 #define MESA_MINOR 5
 #define MESA_PATCH 0
-#define MESA_VERSION_STRING "7.5-rc3"
+#define MESA_VERSION_STRING "7.5-rc4"
 
 /* To make version comparison easy */
 #define MESA_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c
index ead856d32c3..50e0402d278 100644
--- a/src/mesa/main/viewport.c
+++ b/src/mesa/main/viewport.c
@@ -73,8 +73,8 @@ _mesa_set_viewport(GLcontext *ctx, GLint x, GLint y,
    }
 
    /* clamp width and height to the implementation dependent range */
-   width  = CLAMP(width,  1, (GLsizei) ctx->Const.MaxViewportWidth);
-   height = CLAMP(height, 1, (GLsizei) ctx->Const.MaxViewportHeight);
+   width  = MIN2(width, (GLsizei) ctx->Const.MaxViewportWidth);
+   height = MIN2(height, (GLsizei) ctx->Const.MaxViewportHeight);
 
    ctx->Viewport.X = x;
    ctx->Viewport.Width = width;
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index c7a031067ef..bb4c5b38d41 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1014,7 +1014,10 @@ parse_teximage_num (GLcontext * ctx, const GLubyte ** inst,
    GLint i = parse_integer (inst, Program);
 
    if ((i < 0) || (i >= (int)ctx->Const.MaxTextureImageUnits)) {
-      program_error(ctx, Program->Position, "Invalid texture image index");
+      char s[100];
+      _mesa_snprintf(s, sizeof(s), "Invalid texture image index %d (%u is max)",
+                     i, ctx->Const.MaxTextureImageUnits);
+      program_error(ctx, Program->Position, s);
       return 1;
    }
 
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 644cd39185c..cf9f8b92224 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -402,6 +402,7 @@ _mesa_init_shader_state(GLcontext * ctx)
     * are generated by the GLSL compiler.
     */
    ctx->Shader.EmitHighLevelInstructions = GL_TRUE;
+   ctx->Shader.EmitContReturn = GL_TRUE;
    ctx->Shader.EmitCondCodes = GL_FALSE;
    ctx->Shader.EmitComments = GL_FALSE;
    ctx->Shader.Flags = get_shader_flags();
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 6d693c9027a..24e99523869 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -75,6 +75,11 @@ const GLuint MAX_FOR_LOOP_UNROLL_COMPLEXITY = 256;
 static slang_ir_node *
 _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper);
 
+static void
+slang_substitute(slang_assemble_ctx *A, slang_operation *oper,
+                 GLuint substCount, slang_variable **substOld,
+		 slang_operation **substNew, GLboolean isLHS);
+
 
 /**
  * Retrieves type information about an operation.
@@ -326,6 +331,17 @@ sampler_to_texture_index(const slang_type_specifier_type type)
 }
 
 
+/** helper to build a SLANG_OPER_IDENTIFIER node */
+static void
+slang_operation_identifier(slang_operation *oper,
+                           slang_assemble_ctx *A,
+                           const char *name)
+{
+   oper->type = SLANG_OPER_IDENTIFIER;
+   oper->a_id = slang_atom_pool_atom(A->atoms, name);
+}
+
+
 #define SWIZZLE_ZWWW MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W)
 
 /**
@@ -429,6 +445,56 @@ _slang_output_index(const char *name, GLenum target)
 }
 
 
+/**
+ * Called when we begin code/IR generation for a new while/do/for loop.
+ */
+static void
+push_loop(slang_assemble_ctx *A, slang_operation *loopOper, slang_ir_node *loopIR)
+{
+   A->LoopOperStack[A->LoopDepth] = loopOper;
+   A->LoopIRStack[A->LoopDepth] = loopIR;
+   A->LoopDepth++;
+}
+
+
+/**
+ * Called when we end code/IR generation for a new while/do/for loop.
+ */
+static void
+pop_loop(slang_assemble_ctx *A)
+{
+   assert(A->LoopDepth > 0);
+   A->LoopDepth--;
+}
+
+
+/**
+ * Return pointer to slang_operation for the loop we're currently inside,
+ * or NULL if not in a loop.
+ */
+static const slang_operation *
+current_loop_oper(const slang_assemble_ctx *A)
+{
+   if (A->LoopDepth > 0)
+      return A->LoopOperStack[A->LoopDepth - 1];
+   else
+      return NULL;
+}
+
+
+/**
+ * Return pointer to slang_ir_node for the loop we're currently inside,
+ * or NULL if not in a loop.
+ */
+static slang_ir_node *
+current_loop_ir(const slang_assemble_ctx *A)
+{
+   if (A->LoopDepth > 0)
+      return A->LoopIRStack[A->LoopDepth - 1];
+   else
+      return NULL;
+}
+
 
 /**********************************************************************/
 
@@ -636,7 +702,7 @@ new_break(slang_ir_node *loopNode)
    assert(loopNode);
    assert(loopNode->Opcode == IR_LOOP);
    if (n) {
-      /* insert this node at head of linked list */
+      /* insert this node at head of linked list of cont/break instructions */
       n->List = loopNode->List;
       loopNode->List = n;
    }
@@ -648,14 +714,15 @@ new_break(slang_ir_node *loopNode)
  * Make new IR_BREAK_IF_TRUE.
  */
 static slang_ir_node *
-new_break_if_true(slang_ir_node *loopNode, slang_ir_node *cond)
+new_break_if_true(slang_assemble_ctx *A, slang_ir_node *cond)
 {
+   slang_ir_node *loopNode = current_loop_ir(A);
    slang_ir_node *n;
    assert(loopNode);
    assert(loopNode->Opcode == IR_LOOP);
    n = new_node1(IR_BREAK_IF_TRUE, cond);
    if (n) {
-      /* insert this node at head of linked list */
+      /* insert this node at head of linked list of cont/break instructions */
       n->List = loopNode->List;
       loopNode->List = n;
    }
@@ -667,14 +734,16 @@ new_break_if_true(slang_ir_node *loopNode, slang_ir_node *cond)
  * Make new IR_CONT_IF_TRUE node.
  */
 static slang_ir_node *
-new_cont_if_true(slang_ir_node *loopNode, slang_ir_node *cond)
+new_cont_if_true(slang_assemble_ctx *A, slang_ir_node *cond)
 {
+   slang_ir_node *loopNode = current_loop_ir(A);
    slang_ir_node *n;
    assert(loopNode);
    assert(loopNode->Opcode == IR_LOOP);
    n = new_node1(IR_CONT_IF_TRUE, cond);
    if (n) {
-      /* insert this node at head of linked list */
+      n->Parent = loopNode; /* pointer to containing loop */
+      /* insert this node at head of linked list of cont/break instructions */
       n->List = loopNode->List;
       loopNode->List = n;
    }
@@ -749,6 +818,7 @@ _slang_is_noop(const slang_operation *oper)
 /**
  * Recursively search tree for a node of the given type.
  */
+#if 0
 static slang_operation *
 _slang_find_node_type(slang_operation *oper, slang_operation_type type)
 {
@@ -762,13 +832,14 @@ _slang_find_node_type(slang_operation *oper, slang_operation_type type)
    }
    return NULL;
 }
+#endif
 
 
 /**
  * Count the number of operations of the given time rooted at 'oper'.
  */
 static GLuint
-_slang_count_node_type(slang_operation *oper, slang_operation_type type)
+_slang_count_node_type(const slang_operation *oper, slang_operation_type type)
 {
    GLuint i, count = 0;
    if (oper->type == type) {
@@ -822,6 +893,37 @@ _slang_is_tail_return(const slang_operation *oper)
 }
 
 
+/**
+ * Generate a variable declaration opeartion.
+ * I.e.: generate AST code for "bool flag = false;"
+ */
+static void
+slang_generate_declaration(slang_assemble_ctx *A,
+                           slang_variable_scope *scope,
+                           slang_operation *decl,
+                           slang_type_specifier_type type,
+                           const char *name,
+                           GLint initValue)
+{
+   slang_variable *var;
+
+   assert(type == SLANG_SPEC_BOOL ||
+          type == SLANG_SPEC_INT);
+
+   decl->type = SLANG_OPER_VARIABLE_DECL;
+
+   var = slang_variable_scope_grow(scope);
+
+   slang_fully_specified_type_construct(&var->type);
+
+   var->type.specifier.type = type;
+   var->a_name = slang_atom_pool_atom(A->atoms, name);
+   decl->a_id = var->a_name;
+   var->initializer = slang_operation_new(1);
+   slang_operation_literal_bool(var->initializer, initValue);
+}
+
+
 static void
 slang_resolve_variable(slang_operation *oper)
 {
@@ -832,6 +934,159 @@ slang_resolve_variable(slang_operation *oper)
 
 
 /**
+ * Rewrite AST code for "return expression;".
+ *
+ * We return values from functions by assinging the returned value to
+ * the hidden __retVal variable which is an extra 'out' parameter we add
+ * to the function signature.
+ * This code basically converts "return expr;" into "__retVal = expr; return;"
+ *
+ * \return the new AST code.
+ */
+static slang_operation *
+gen_return_with_expression(slang_assemble_ctx *A, slang_operation *oper)
+{
+   slang_operation *blockOper, *assignOper;
+
+   assert(oper->type == SLANG_OPER_RETURN);
+
+   if (A->CurFunction->header.type.specifier.type == SLANG_SPEC_VOID) {
+      slang_info_log_error(A->log, "illegal return expression");
+      return NULL;
+   }
+
+   blockOper = slang_operation_new(1);
+   blockOper->type = SLANG_OPER_BLOCK_NO_NEW_SCOPE;
+   blockOper->locals->outer_scope = oper->locals->outer_scope;
+   slang_operation_add_children(blockOper, 2);
+
+   if (A->UseReturnFlag) {
+      /* Emit:
+       *    {
+       *       if (__notRetFlag)
+       *          __retVal = expr;
+       *       __notRetFlag = 0;
+       *    }
+       */
+      {
+         slang_operation *ifOper = slang_oper_child(blockOper, 0);
+         ifOper->type = SLANG_OPER_IF;
+         slang_operation_add_children(ifOper, 3);
+         {
+            slang_operation *cond = slang_oper_child(ifOper, 0);
+            cond->type = SLANG_OPER_IDENTIFIER;
+            cond->a_id = slang_atom_pool_atom(A->atoms, "__notRetFlag");
+         }
+         {
+            slang_operation *elseOper = slang_oper_child(ifOper, 2);
+            elseOper->type = SLANG_OPER_VOID;
+         }
+         assignOper = slang_oper_child(ifOper, 1);
+      }
+      {
+         slang_operation *setOper = slang_oper_child(blockOper, 1);
+         setOper->type = SLANG_OPER_ASSIGN;
+         slang_operation_add_children(setOper, 2);
+         {
+            slang_operation *lhs = slang_oper_child(setOper, 0);
+            lhs->type = SLANG_OPER_IDENTIFIER;
+            lhs->a_id = slang_atom_pool_atom(A->atoms, "__notRetFlag");
+         }
+         {
+            slang_operation *rhs = slang_oper_child(setOper, 1);
+            slang_operation_literal_bool(rhs, GL_FALSE);
+         }
+      }
+   }
+   else {
+      /* Emit:
+       *    {
+       *       __retVal = expr;
+       *       return_inlined;
+       *    }
+       */
+      assignOper = slang_oper_child(blockOper, 0);
+      {
+         slang_operation *returnOper = slang_oper_child(blockOper, 1);
+         returnOper->type = SLANG_OPER_RETURN_INLINED;
+         assert(returnOper->num_children == 0);
+      }
+   }
+
+   /* __retVal = expression; */
+   assignOper->type = SLANG_OPER_ASSIGN;
+   slang_operation_add_children(assignOper, 2);
+   {
+      slang_operation *lhs = slang_oper_child(assignOper, 0);
+      lhs->type = SLANG_OPER_IDENTIFIER;
+      lhs->a_id = slang_atom_pool_atom(A->atoms, "__retVal");
+   }
+   {
+      slang_operation *rhs = slang_oper_child(assignOper, 1);
+      slang_operation_copy(rhs, &oper->children[0]);
+   }
+
+   ///blockOper->locals->outer_scope = oper->locals->outer_scope;
+
+   /*slang_print_tree(blockOper, 0);*/
+
+   return blockOper;
+}
+
+
+/**
+ * Rewrite AST code for "return;" (no expression).
+ */
+static slang_operation *
+gen_return_without_expression(slang_assemble_ctx *A, slang_operation *oper)
+{
+   slang_operation *newRet;
+
+   assert(oper->type == SLANG_OPER_RETURN);
+
+   if (A->CurFunction->header.type.specifier.type != SLANG_SPEC_VOID) {
+      slang_info_log_error(A->log, "return statement requires an expression");
+      return NULL;
+   }
+
+   if (A->UseReturnFlag) {
+      /* Emit:
+       *    __notRetFlag = 0;
+       */
+      {
+         newRet = slang_operation_new(1);
+         newRet->locals->outer_scope = oper->locals->outer_scope;
+         newRet->type = SLANG_OPER_ASSIGN;
+         slang_operation_add_children(newRet, 2);
+         {
+            slang_operation *lhs = slang_oper_child(newRet, 0);
+            lhs->type = SLANG_OPER_IDENTIFIER;
+            lhs->a_id = slang_atom_pool_atom(A->atoms, "__notRetFlag");
+         }
+         {
+            slang_operation *rhs = slang_oper_child(newRet, 1);
+            slang_operation_literal_bool(rhs, GL_FALSE);
+         }
+      }
+   }
+   else {
+      /* Emit:
+       *    return_inlined;
+       */
+      newRet = slang_operation_new(1);
+      newRet->locals->outer_scope = oper->locals->outer_scope;
+      newRet->type = SLANG_OPER_RETURN_INLINED;
+   }
+
+   /*slang_print_tree(newRet, 0);*/
+
+   return newRet;
+}
+
+
+
+
+/**
  * Replace particular variables (SLANG_OPER_IDENTIFIER) with new expressions.
  */
 static void
@@ -866,7 +1121,8 @@ slang_substitute(slang_assemble_ctx *A, slang_operation *oper,
 	 GLuint i;
          v = _slang_variable_locate(oper->locals, id, GL_TRUE);
 	 if (!v) {
-            _mesa_problem(NULL, "var %s not found!\n", (char *) oper->a_id);
+            if (_mesa_strcmp((char *) oper->a_id, "__notRetFlag"))
+               _mesa_problem(NULL, "var %s not found!\n", (char *) oper->a_id);
             return;
 	 }
 
@@ -896,62 +1152,24 @@ slang_substitute(slang_assemble_ctx *A, slang_operation *oper,
       break;
 
    case SLANG_OPER_RETURN:
-      /* do return replacement here too */
-      assert(oper->num_children == 0 || oper->num_children == 1);
-      if (oper->num_children == 1 && !_slang_is_noop(&oper->children[0])) {
-         /* replace:
-          *   return expr;
-          * with:
-          *   __retVal = expr;
-          *   return;
-          * then do substitutions on the assignment.
-          */
-         slang_operation *blockOper, *assignOper, *returnOper;
+      {
+         slang_operation *newReturn;
+         /* generate new 'return' code' */
+         if (slang_oper_child(oper, 0)->type == SLANG_OPER_VOID)
+            newReturn = gen_return_without_expression(A, oper);
+         else
+            newReturn = gen_return_with_expression(A, oper);
 
-         /* check if function actually has a return type */
-         assert(A->CurFunction);
-         if (A->CurFunction->header.type.specifier.type == SLANG_SPEC_VOID) {
-            slang_info_log_error(A->log, "illegal return expression");
+         if (!newReturn)
             return;
-         }
-
-         blockOper = slang_operation_new(1);
-         blockOper->type = SLANG_OPER_BLOCK_NO_NEW_SCOPE;
-         blockOper->num_children = 2;
-         blockOper->locals->outer_scope = oper->locals->outer_scope;
-         blockOper->children = slang_operation_new(2);
-         assignOper = blockOper->children + 0;
-         returnOper = blockOper->children + 1;
-
-         assignOper->type = SLANG_OPER_ASSIGN;
-         assignOper->num_children = 2;
-         assignOper->locals->outer_scope = blockOper->locals;
-         assignOper->children = slang_operation_new(2);
-         assignOper->children[0].type = SLANG_OPER_IDENTIFIER;
-         assignOper->children[0].a_id = slang_atom_pool_atom(A->atoms, "__retVal");
-         assignOper->children[0].locals->outer_scope = assignOper->locals;
-
-         slang_operation_copy(&assignOper->children[1],
-                              &oper->children[0]);
-
-         returnOper->type = SLANG_OPER_RETURN; /* return w/ no value */
-         assert(returnOper->num_children == 0);
 
-         /* do substitutions on the "__retVal = expr" sub-tree */
-         slang_substitute(A, assignOper,
+         /* do substitutions on the new 'return' code */
+         slang_substitute(A, newReturn,
                           substCount, substOld, substNew, GL_FALSE);
 
-         /* install new code */
-         slang_operation_copy(oper, blockOper);
-         slang_operation_destruct(blockOper);
-      }
-      else {
-         /* check if return value was expected */
-         assert(A->CurFunction);
-         if (A->CurFunction->header.type.specifier.type != SLANG_SPEC_VOID) {
-            slang_info_log_error(A->log, "return statement requires an expression");
-            return;
-         }
+         /* install new 'return' code */
+         slang_operation_copy(oper, newReturn);
+         slang_operation_destruct(newReturn);
       }
       break;
 
@@ -1346,12 +1564,74 @@ slang_inline_function_call(slang_assemble_ctx * A, slang_function *fun,
 }
 
 
+/**
+ * Insert declaration for "bool __notRetFlag" in given block operation.
+ * This is used when we can't emit "early" return statements in subroutines.
+ */
+static void
+declare_return_flag(slang_assemble_ctx *A, slang_operation *oper)
+{
+   slang_operation *decl;
+
+   assert(oper->type == SLANG_OPER_BLOCK_NEW_SCOPE ||
+          oper->type == SLANG_OPER_SEQUENCE);
+
+   decl = slang_operation_insert_child(oper, 1);
+
+   slang_generate_declaration(A, oper->locals, decl,
+                              SLANG_SPEC_BOOL, "__notRetFlag", GL_TRUE);
+
+   /*slang_print_tree(oper, 0);*/
+}
+
+
+/**
+ * Recursively replace instances of the old node type with the new type.
+ */
+static void
+replace_node_type(slang_operation *oper, slang_operation_type oldType,
+                  slang_operation_type newType)
+{
+   GLuint i;
+
+   if (oper->type == oldType)
+      oper->type = newType;
+
+   for (i = 0; i < slang_oper_num_children(oper); i++) {
+      replace_node_type(slang_oper_child(oper, i), oldType, newType);
+   }
+}
+
+
+
+/**
+ * Test if the given function body has an "early return".  That is, there's
+ * a 'return' statement that's not the very last instruction in the body.
+ */
+static GLboolean
+has_early_return(const slang_operation *funcBody)
+{
+   GLuint retCount = _slang_count_node_type(funcBody, SLANG_OPER_RETURN);
+   if (retCount == 0)
+      return GL_FALSE;
+   else if (retCount == 1 && _slang_is_tail_return(funcBody))
+      return GL_FALSE;
+   else
+      return GL_TRUE;
+}
+
+
+/**
+ * Emit IR code for a function call.  This does one of two things:
+ * 1. Inline the function's code
+ * 2. Create an IR for the function's body and create a real call to it.
+ */
 static slang_ir_node *
 _slang_gen_function_call(slang_assemble_ctx *A, slang_function *fun,
                          slang_operation *oper, slang_operation *dest)
 {
    slang_ir_node *n;
-   slang_operation *inlined;
+   slang_operation *instance;
    slang_label *prevFuncEndLabel;
    char name[200];
 
@@ -1360,9 +1640,14 @@ _slang_gen_function_call(slang_assemble_ctx *A, slang_function *fun,
    A->curFuncEndLabel = _slang_label_new(name);
    assert(A->curFuncEndLabel);
 
+   /*
+    * 'instance' is basically a copy of the function's body with various
+    * transformations.
+    */
+
    if (slang_is_asm_function(fun) && !dest) {
       /* assemble assembly function - tree style */
-      inlined = slang_inline_asm_function(A, fun, oper);
+      instance = slang_inline_asm_function(A, fun, oper);
    }
    else {
       /* non-assembly function */
@@ -1371,65 +1656,82 @@ _slang_gen_function_call(slang_assemble_ctx *A, slang_function *fun,
        *  1. insert the inline code
        *  2. Generate a call to the "inline" code as a subroutine
        */
+      const GLboolean earlyReturn = has_early_return(fun->body);
 
+      if (earlyReturn && !A->EmitContReturn) {
+         A->UseReturnFlag = GL_TRUE;
+      }
 
-      slang_operation *ret = NULL;
-
-      inlined = slang_inline_function_call(A, fun, oper, dest);
-      if (!inlined)
+      instance = slang_inline_function_call(A, fun, oper, dest);
+      if (!instance)
          return NULL;
 
-      ret = _slang_find_node_type(inlined, SLANG_OPER_RETURN);
-      if (ret) {
-         /* check if this is a "tail" return */
-         if (_slang_count_node_type(inlined, SLANG_OPER_RETURN) == 1 &&
-             _slang_is_tail_return(inlined)) {
-            /* The only RETURN is the last stmt in the function, no-op it
-             * and inline the function body.
+      if (earlyReturn) {
+         /* The function we're calling has one or more 'return' statements
+          * that prevent us from inlining the function's code.
+          *
+          * In this case, change the function's body type from
+          * SLANG_OPER_BLOCK_NEW_SCOPE to SLANG_OPER_NON_INLINED_CALL.
+          * During code emit this will result in a true subroutine call.
+          *
+          * Also, convert SLANG_OPER_RETURN_INLINED nodes to SLANG_OPER_RETURN.
+          */
+         slang_operation *callOper;
+
+         assert(instance->type == SLANG_OPER_BLOCK_NEW_SCOPE ||
+                instance->type == SLANG_OPER_SEQUENCE);
+
+         if (_slang_function_has_return_value(fun) && !dest) {
+            assert(instance->children[0].type == SLANG_OPER_VARIABLE_DECL);
+            assert(instance->children[2].type == SLANG_OPER_IDENTIFIER);
+            callOper = &instance->children[1];
+         }
+         else {
+            callOper = instance;
+         }
+
+         if (A->UseReturnFlag) {
+            /* Early returns not supported.  Create a _returnFlag variable
+             * that's set upon 'return' and tested elsewhere to no-op any
+             * remaining instructions in the subroutine.
              */
-            ret->type = SLANG_OPER_NONE;
+            assert(callOper->type == SLANG_OPER_BLOCK_NEW_SCOPE ||
+                   callOper->type == SLANG_OPER_SEQUENCE);
+            declare_return_flag(A, callOper);
          }
          else {
-            slang_operation *callOper;
-            /* The function we're calling has one or more 'return' statements.
-             * So, we can't truly inline this function because we need to
-             * implement 'return' with RET (and CAL).
-             * Nevertheless, we performed "inlining" to make a new instance
-             * of the function body to deal with static register allocation.
-             *
-             * XXX check if there's one 'return' and if it's the very last
-             * statement in the function - we can optimize that case.
+            /* We can emit real 'return' statements.  If we generated any
+             * 'inline return' statements during function instantiation,
+             * change them back to regular 'return' statements.
              */
-            assert(inlined->type == SLANG_OPER_BLOCK_NEW_SCOPE ||
-                   inlined->type == SLANG_OPER_SEQUENCE);
-
-            if (_slang_function_has_return_value(fun) && !dest) {
-               assert(inlined->children[0].type == SLANG_OPER_VARIABLE_DECL);
-               assert(inlined->children[2].type == SLANG_OPER_IDENTIFIER);
-               callOper = &inlined->children[1];
-            }
-            else {
-               callOper = inlined;
-            }
-            callOper->type = SLANG_OPER_NON_INLINED_CALL;
-            callOper->fun = fun;
-            callOper->label = _slang_label_new_unique((char*) fun->header.a_name);
+            replace_node_type(instance, SLANG_OPER_RETURN_INLINED,
+                              SLANG_OPER_RETURN);
          }
+
+         callOper->type = SLANG_OPER_NON_INLINED_CALL;
+         callOper->fun = fun;
+         callOper->label = _slang_label_new_unique((char*) fun->header.a_name);
+      }
+      else {
+         /* If there are any 'return' statements remaining, they're at the
+          * very end of the function and can effectively become no-ops.
+          */
+         replace_node_type(instance, SLANG_OPER_RETURN_INLINED,
+                           SLANG_OPER_VOID);
       }
    }
 
-   if (!inlined)
+   if (!instance)
       return NULL;
 
-   /* Replace the function call with the inlined block (or new CALL stmt) */
+   /* Replace the function call with the instance block (or new CALL stmt) */
    slang_operation_destruct(oper);
-   *oper = *inlined;
-   _slang_free(inlined);
+   *oper = *instance;
+   _slang_free(instance);
 
 #if 0
-   assert(inlined->locals);
-   printf("*** Inlined code for call to %s:\n",
-          (char*) fun->header.a_name);
+   assert(instance->locals);
+   printf("*** Inlined code for call to %s:\n", (char*) fun->header.a_name);
    slang_print_tree(oper, 10);
    printf("\n");
 #endif
@@ -1445,6 +1747,8 @@ _slang_gen_function_call(slang_assemble_ctx *A, slang_function *fun,
       n->Comment = _slang_strdup(s);
    }
 
+   A->UseReturnFlag = GL_FALSE;
+
    return n;
 }
 
@@ -2337,19 +2641,252 @@ _slang_is_boolean(slang_assemble_ctx *A, slang_operation *oper)
 
 
 /**
+ * Check if a loop contains a 'continue' statement.
+ * Stop looking if we find a nested loop.
+ */
+static GLboolean
+_slang_loop_contains_continue(const slang_operation *oper)
+{
+   switch (oper->type) {
+   case SLANG_OPER_CONTINUE:
+      return GL_TRUE;
+   case SLANG_OPER_FOR:
+   case SLANG_OPER_DO:
+   case SLANG_OPER_WHILE:
+      /* stop upon finding a nested loop */
+      return GL_FALSE;
+   default:
+       /* recurse */
+      {
+         GLuint i;
+         for (i = 0; i < oper->num_children; i++) {
+            const slang_operation *child = slang_oper_child_const(oper, i);
+            if (_slang_loop_contains_continue(child))
+               return GL_TRUE;
+         }
+      }
+      return GL_FALSE;
+   }
+}
+
+
+/**
+ * Check if a loop contains a 'continue' or 'break' statement.
+ * Stop looking if we find a nested loop.
+ */
+static GLboolean
+_slang_loop_contains_continue_or_break(const slang_operation *oper)
+{
+   switch (oper->type) {
+   case SLANG_OPER_CONTINUE:
+   case SLANG_OPER_BREAK:
+      return GL_TRUE;
+   case SLANG_OPER_FOR:
+   case SLANG_OPER_DO:
+   case SLANG_OPER_WHILE:
+      /* stop upon finding a nested loop */
+      return GL_FALSE;
+   default:
+       /* recurse */
+      {
+         GLuint i;
+         for (i = 0; i < oper->num_children; i++) {
+            const slang_operation *child = slang_oper_child_const(oper, i);
+            if (_slang_loop_contains_continue_or_break(child))
+               return GL_TRUE;
+         }
+      }
+      return GL_FALSE;
+   }
+}
+
+
+/**
+ * Replace 'break' and 'continue' statements inside a do and while loops.
+ * This is a recursive helper function used by
+ * _slang_gen_do/while_without_continue().
+ */
+static void
+replace_break_and_cont(slang_assemble_ctx *A, slang_operation *oper)
+{
+   switch (oper->type) {
+   case SLANG_OPER_BREAK:
+      /* replace 'break' with "_notBreakFlag = false; break" */
+      {
+         slang_operation *block = oper;
+         block->type = SLANG_OPER_BLOCK_NEW_SCOPE;
+         slang_operation_add_children(block, 2);
+         {
+            slang_operation *assign = slang_oper_child(block, 0);
+            assign->type = SLANG_OPER_ASSIGN;
+            slang_operation_add_children(assign, 2);
+            {
+               slang_operation *lhs = slang_oper_child(assign, 0);
+               slang_operation_identifier(lhs, A, "_notBreakFlag");
+            }
+            {
+               slang_operation *rhs = slang_oper_child(assign, 1);
+               slang_operation_literal_bool(rhs, GL_FALSE);
+            }
+         }
+         {
+            slang_operation *brk = slang_oper_child(block, 1);
+            brk->type = SLANG_OPER_BREAK;
+            assert(!brk->children);
+         }
+      }
+      break;
+   case SLANG_OPER_CONTINUE:
+      /* convert continue into a break */
+      oper->type = SLANG_OPER_BREAK;
+      break;
+   case SLANG_OPER_FOR:
+   case SLANG_OPER_DO:
+   case SLANG_OPER_WHILE:
+      /* stop upon finding a nested loop */
+      break;
+   default:
+      /* recurse */
+      {
+         GLuint i;
+         for (i = 0; i < oper->num_children; i++) {
+            replace_break_and_cont(A, slang_oper_child(oper, i));
+         }
+      }
+   }
+}
+
+
+/**
+ * Transform a while-loop so that continue statements are converted to breaks.
+ * Then do normal IR code generation.
+ *
+ * Before:
+ * 
+ * while (LOOPCOND) {
+ *    A;
+ *    if (IFCOND)
+ *       continue;
+ *    B;
+ *    break;
+ *    C;
+ * }
+ * 
+ * After:
+ * 
+ * {
+ *    bool _notBreakFlag = 1;
+ *    while (_notBreakFlag && LOOPCOND) {
+ *       do {
+ *          A;
+ *          if (IFCOND) {
+ *             break;  // was continue
+ *          }
+ *          B;
+ *          _notBreakFlag = 0; // was
+ *          break;             // break
+ *          C;
+ *       } while (0)
+ *    }
+ * }
+ */
+static slang_ir_node *
+_slang_gen_while_without_continue(slang_assemble_ctx *A, slang_operation *oper)
+{
+   slang_operation *top;
+   slang_operation *innerBody;
+
+   assert(oper->type == SLANG_OPER_WHILE);
+
+   top = slang_operation_new(1);
+   top->type = SLANG_OPER_BLOCK_NEW_SCOPE;
+   top->locals->outer_scope = oper->locals->outer_scope;
+   slang_operation_add_children(top, 2);
+
+   /* declare: bool _notBreakFlag = true */
+   {
+      slang_operation *condDecl = slang_oper_child(top, 0);
+      slang_generate_declaration(A, top->locals, condDecl,
+                                 SLANG_SPEC_BOOL, "_notBreakFlag", GL_TRUE);
+   }
+
+   /* build outer while-loop:  while (_notBreakFlag && LOOPCOND) { ... } */
+   {
+      slang_operation *outerWhile = slang_oper_child(top, 1);
+      outerWhile->type = SLANG_OPER_WHILE;
+      slang_operation_add_children(outerWhile, 2);
+
+      /* _notBreakFlag && LOOPCOND */
+      {
+         slang_operation *cond = slang_oper_child(outerWhile, 0);
+         cond->type = SLANG_OPER_LOGICALAND;
+         slang_operation_add_children(cond, 2);
+         {
+            slang_operation *notBreak = slang_oper_child(cond, 0);
+            slang_operation_identifier(notBreak, A, "_notBreakFlag");
+         }
+         {
+            slang_operation *origCond = slang_oper_child(cond, 1);
+            slang_operation_copy(origCond, slang_oper_child(oper, 0));
+         }
+      }
+
+      /* inner loop */
+      {
+         slang_operation *innerDo = slang_oper_child(outerWhile, 1);
+         innerDo->type = SLANG_OPER_DO;
+         slang_operation_add_children(innerDo, 2);
+
+         /* copy original do-loop body into inner do-loop's body */
+         innerBody = slang_oper_child(innerDo, 0);
+         slang_operation_copy(innerBody, slang_oper_child(oper, 1));
+         innerBody->locals->outer_scope = innerDo->locals;
+
+         /* inner do-loop's condition is constant/false */
+         {
+            slang_operation *constFalse = slang_oper_child(innerDo, 1);
+            slang_operation_literal_bool(constFalse, GL_FALSE);
+         }
+      }
+   }
+
+   /* Finally, in innerBody,
+    *   replace "break" with "_notBreakFlag = 0; break"
+    *   replace "continue" with "break"
+    */
+   replace_break_and_cont(A, innerBody);
+
+   /*slang_print_tree(top, 0);*/
+
+   return _slang_gen_operation(A, top);
+
+   return NULL;
+}
+
+
+/**
  * Generate loop code using high-level IR_LOOP instruction
  */
 static slang_ir_node *
-_slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
+_slang_gen_while(slang_assemble_ctx * A, slang_operation *oper)
 {
    /*
     * LOOP:
     *    BREAK if !expr (child[0])
     *    body code (child[1])
     */
-   slang_ir_node *prevLoop, *loop, *breakIf, *body;
+   slang_ir_node *loop, *breakIf, *body;
    GLboolean isConst, constTrue;
 
+   if (!A->EmitContReturn) {
+      /* We don't want to emit CONT instructions.  If this while-loop has
+       * a continue, translate it away.
+       */
+      if (_slang_loop_contains_continue(slang_oper_child(oper, 1))) {
+         return _slang_gen_while_without_continue(A, oper);
+      }
+   }
+
    /* type-check expression */
    if (!_slang_is_boolean(A, &oper->children[0])) {
       slang_info_log_error(A->log, "scalar/boolean expression expected for 'while'");
@@ -2364,11 +2901,11 @@ _slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
       return new_node0(IR_NOP);
    }
 
+   /* Begin new loop */
    loop = new_loop(NULL);
 
-   /* save old, push new loop */
-   prevLoop = A->CurLoop;
-   A->CurLoop = loop;
+   /* save loop state */
+   push_loop(A, oper, loop);
 
    if (isConst && constTrue) {
       /* while(nonzero constant), no conditional break */
@@ -2377,7 +2914,7 @@ _slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
    else {
       slang_ir_node *cond
          = new_cond(new_not(_slang_gen_operation(A, &oper->children[0])));
-      breakIf = new_break_if_true(A->CurLoop, cond);
+      breakIf = new_break_if_true(A, cond);
    }
    body = _slang_gen_operation(A, &oper->children[1]);
    loop->Children[0] = new_seq(breakIf, body);
@@ -2386,23 +2923,128 @@ _slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
    /* loop->List is head of linked list of break/continue nodes */
    if (!loop->List && isConst && constTrue) {
       /* infinite loop detected */
-      A->CurLoop = prevLoop; /* clean-up */
+      pop_loop(A);
       slang_info_log_error(A->log, "Infinite loop detected!");
       return NULL;
    }
 
-   /* pop loop, restore prev */
-   A->CurLoop = prevLoop;
+   /* restore loop state */
+   pop_loop(A);
 
    return loop;
 }
 
 
 /**
+ * Transform a do-while-loop so that continue statements are converted to breaks.
+ * Then do normal IR code generation.
+ *
+ * Before:
+ * 
+ * do {
+ *    A;
+ *    if (IFCOND)
+ *       continue;
+ *    B;
+ *    break;
+ *    C;
+ * } while (LOOPCOND);
+ * 
+ * After:
+ * 
+ * {
+ *    bool _notBreakFlag = 1;
+ *    do {
+ *       do {
+ *          A;
+ *          if (IFCOND) {
+ *             break;  // was continue
+ *          }
+ *          B;
+ *          _notBreakFlag = 0; // was
+ *          break;             // break
+ *          C;
+ *       } while (0)
+ *    } while (_notBreakFlag && LOOPCOND);
+ * }
+ */
+static slang_ir_node *
+_slang_gen_do_without_continue(slang_assemble_ctx *A, slang_operation *oper)
+{
+   slang_operation *top;
+   slang_operation *innerBody;
+
+   assert(oper->type == SLANG_OPER_DO);
+
+   top = slang_operation_new(1);
+   top->type = SLANG_OPER_BLOCK_NEW_SCOPE;
+   top->locals->outer_scope = oper->locals->outer_scope;
+   slang_operation_add_children(top, 2);
+
+   /* declare: bool _notBreakFlag = true */
+   {
+      slang_operation *condDecl = slang_oper_child(top, 0);
+      slang_generate_declaration(A, top->locals, condDecl,
+                                 SLANG_SPEC_BOOL, "_notBreakFlag", GL_TRUE);
+   }
+
+   /* build outer do-loop:  do { ... } while (_notBreakFlag && LOOPCOND) */
+   {
+      slang_operation *outerDo = slang_oper_child(top, 1);
+      outerDo->type = SLANG_OPER_DO;
+      slang_operation_add_children(outerDo, 2);
+
+      /* inner do-loop */
+      {
+         slang_operation *innerDo = slang_oper_child(outerDo, 0);
+         innerDo->type = SLANG_OPER_DO;
+         slang_operation_add_children(innerDo, 2);
+
+         /* copy original do-loop body into inner do-loop's body */
+         innerBody = slang_oper_child(innerDo, 0);
+         slang_operation_copy(innerBody, slang_oper_child(oper, 0));
+         innerBody->locals->outer_scope = innerDo->locals;
+
+         /* inner do-loop's condition is constant/false */
+         {
+            slang_operation *constFalse = slang_oper_child(innerDo, 1);
+            slang_operation_literal_bool(constFalse, GL_FALSE);
+         }
+      }
+
+      /* _notBreakFlag && LOOPCOND */
+      {
+         slang_operation *cond = slang_oper_child(outerDo, 1);
+         cond->type = SLANG_OPER_LOGICALAND;
+         slang_operation_add_children(cond, 2);
+         {
+            slang_operation *notBreak = slang_oper_child(cond, 0);
+            slang_operation_identifier(notBreak, A, "_notBreakFlag");
+         }
+         {
+            slang_operation *origCond = slang_oper_child(cond, 1);
+            slang_operation_copy(origCond, slang_oper_child(oper, 1));
+         }
+      }
+   }
+
+   /* Finally, in innerBody,
+    *   replace "break" with "_notBreakFlag = 0; break"
+    *   replace "continue" with "break"
+    */
+   replace_break_and_cont(A, innerBody);
+
+   /*slang_print_tree(top, 0);*/
+
+   return _slang_gen_operation(A, top);
+}
+
+
+/**
  * Generate IR tree for a do-while loop using high-level LOOP, IF instructions.
  */
 static slang_ir_node *
-_slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
+_slang_gen_do(slang_assemble_ctx * A, slang_operation *oper)
 {
    /*
     * LOOP:
@@ -2410,9 +3052,18 @@ _slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
     *    tail code:
     *       BREAK if !expr (child[1])
     */
-   slang_ir_node *prevLoop, *loop;
+   slang_ir_node *loop;
    GLboolean isConst, constTrue;
 
+   if (!A->EmitContReturn) {
+      /* We don't want to emit CONT instructions.  If this do-loop has
+       * a continue, translate it away.
+       */
+      if (_slang_loop_contains_continue(slang_oper_child(oper, 0))) {
+         return _slang_gen_do_without_continue(A, oper);
+      }
+   }
+
    /* type-check expression */
    if (!_slang_is_boolean(A, &oper->children[1])) {
       slang_info_log_error(A->log, "scalar/boolean expression expected for 'do/while'");
@@ -2421,9 +3072,8 @@ _slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
 
    loop = new_loop(NULL);
 
-   /* save old, push new loop */
-   prevLoop = A->CurLoop;
-   A->CurLoop = loop;
+   /* save loop state */
+   push_loop(A, oper, loop);
 
    /* loop body: */
    loop->Children[0] = _slang_gen_operation(A, &oper->children[0]);
@@ -2437,13 +3087,13 @@ _slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
    else {
       slang_ir_node *cond
          = new_cond(new_not(_slang_gen_operation(A, &oper->children[1])));
-      loop->Children[1] = new_break_if_true(A->CurLoop, cond);
+      loop->Children[1] = new_break_if_true(A, cond);
    }
 
    /* XXX we should do infinite loop detection, as above */
 
-   /* pop loop, restore prev */
-   A->CurLoop = prevLoop;
+   /* restore loop state */
+   pop_loop(A);
 
    return loop;
 }
@@ -2485,9 +3135,14 @@ _slang_can_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper)
    const char *varName;
    slang_atom varId;
 
-   assert(oper->type == SLANG_OPER_FOR);
+   if (oper->type != SLANG_OPER_FOR)
+      return GL_FALSE;
+
    assert(oper->num_children == 4);
 
+   if (_slang_loop_contains_continue_or_break(slang_oper_child_const(oper, 3)))
+      return GL_FALSE;
+
    /* children[0] must be either "int i=constant" or "i=constant" */
    if (oper->children[0].type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) {
       slang_variable *var;
@@ -2582,20 +3237,6 @@ _slang_can_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper)
 }
 
 
-static void
-_unroll_loop_inc(slang_assemble_ctx * A)
-{
-   A->UnrollLoop++;
-}
-
-
-static void
-_unroll_loop_dec(slang_assemble_ctx * A)
-{
-   A->UnrollLoop--;
-}
-
-
 /**
  * Unroll a for-loop.
  * First we determine the number of iterations to unroll.
@@ -2612,9 +3253,6 @@ _slang_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper)
    slang_ir_node *n, *root = NULL;
    slang_atom varId;
 
-   /* Set flag so code generator knows we're unrolling loops */
-   _unroll_loop_inc( A );
-
    if (oper->children[0].type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) {
       /* for (int i=0; ... */
       slang_variable *var;
@@ -2637,15 +3275,11 @@ _slang_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper)
 
       /* make a copy of the loop body */
       body = slang_operation_new(1);
-      if (!body) {
-         _unroll_loop_dec( A );
+      if (!body)
          return NULL;
-      }
 
-      if (!slang_operation_copy(body, &oper->children[3])) {
-         _unroll_loop_dec( A );
+      if (!slang_operation_copy(body, &oper->children[3]))
          return NULL;
-      }
 
       /* in body, replace instances of 'varId' with literal 'iter' */
       {
@@ -2656,7 +3290,6 @@ _slang_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper)
          if (!oldVar) {
             /* undeclared loop variable */
             slang_operation_delete(body);
-            _unroll_loop_dec( A );
             return NULL;
          }
 
@@ -2671,36 +3304,195 @@ _slang_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper)
 
       /* do IR codegen for body */
       n = _slang_gen_operation(A, body);
-      if (!n) {
-         _unroll_loop_dec( A );
+      if (!n)
          return NULL;
-      }
 
       root = new_seq(root, n);
 
       slang_operation_delete(body);
    }
 
-   _unroll_loop_dec( A );
-
    return root;
 }
 
 
 /**
+ * Replace 'continue' statement with 'break' inside a for-loop.
+ * This is a recursive helper function used by _slang_gen_for_without_continue().
+ */
+static void
+replace_continue_with_break(slang_assemble_ctx *A, slang_operation *oper)
+{
+   switch (oper->type) {
+   case SLANG_OPER_CONTINUE:
+      oper->type = SLANG_OPER_BREAK;
+      break;
+   case SLANG_OPER_FOR:
+   case SLANG_OPER_DO:
+   case SLANG_OPER_WHILE:
+      /* stop upon finding a nested loop */
+      break;
+   default:
+      /* recurse */
+      {
+         GLuint i;
+         for (i = 0; i < oper->num_children; i++) {
+            replace_continue_with_break(A, slang_oper_child(oper, i));
+         }
+      }
+   }
+}
+
+
+/**
+ * Transform a for-loop so that continue statements are converted to breaks.
+ * Then do normal IR code generation.
+ *
+ * Before:
+ * 
+ * for (INIT; LOOPCOND; INCR) {
+ *    A;
+ *    if (IFCOND) {
+ *       continue;
+ *    }
+ *    B;
+ * }
+ * 
+ * After:
+ * 
+ * {
+ *    bool _condFlag = 1;
+ *    for (INIT; _condFlag; ) {
+ *       for ( ; _condFlag = LOOPCOND; INCR) {
+ *          A;
+ *          if (IFCOND) {
+ *             break;
+ *          }
+ *          B;
+ *       }
+ *       if (_condFlag)
+ *          INCR;
+ *    }
+ * }
+ */
+static slang_ir_node *
+_slang_gen_for_without_continue(slang_assemble_ctx *A, slang_operation *oper)
+{
+   slang_operation *top;
+   slang_operation *outerFor, *innerFor, *init, *cond, *incr;
+   slang_operation *lhs, *rhs;
+
+   assert(oper->type == SLANG_OPER_FOR);
+
+   top = slang_operation_new(1);
+   top->type = SLANG_OPER_BLOCK_NEW_SCOPE;
+   top->locals->outer_scope = oper->locals->outer_scope;
+   slang_operation_add_children(top, 2);
+
+   /* declare: bool _condFlag = true */
+   {
+      slang_operation *condDecl = slang_oper_child(top, 0);
+      slang_generate_declaration(A, top->locals, condDecl,
+                                 SLANG_SPEC_BOOL, "_condFlag", GL_TRUE);
+   }
+
+   /* build outer loop:  for (INIT; _condFlag; ) { */
+   outerFor = slang_oper_child(top, 1);
+   outerFor->type = SLANG_OPER_FOR;
+   slang_operation_add_children(outerFor, 4);
+
+   init = slang_oper_child(outerFor, 0);
+   slang_operation_copy(init, slang_oper_child(oper, 0));
+
+   cond = slang_oper_child(outerFor, 1);
+   cond->type = SLANG_OPER_IDENTIFIER;
+   cond->a_id = slang_atom_pool_atom(A->atoms, "_condFlag");
+
+   incr = slang_oper_child(outerFor, 2);
+   incr->type = SLANG_OPER_VOID;
+
+   /* body of the outer loop */
+   {
+      slang_operation *block = slang_oper_child(outerFor, 3);
+
+      slang_operation_add_children(block, 2);
+      block->type = SLANG_OPER_BLOCK_NO_NEW_SCOPE;
+
+      /* build inner loop:  for ( ; _condFlag = LOOPCOND; INCR) { */
+      {
+         innerFor = slang_oper_child(block, 0);
+
+         /* make copy of orig loop */
+         slang_operation_copy(innerFor, oper);
+         assert(innerFor->type == SLANG_OPER_FOR);
+         innerFor->locals->outer_scope = block->locals;
+
+         init = slang_oper_child(innerFor, 0);
+         init->type = SLANG_OPER_VOID; /* leak? */
+
+         cond = slang_oper_child(innerFor, 1);
+         slang_operation_destruct(cond);
+         cond->type = SLANG_OPER_ASSIGN;
+         cond->locals = _slang_variable_scope_new(innerFor->locals);
+         slang_operation_add_children(cond, 2);
+
+         lhs = slang_oper_child(cond, 0);
+         lhs->type = SLANG_OPER_IDENTIFIER;
+         lhs->a_id = slang_atom_pool_atom(A->atoms, "_condFlag");
+
+         rhs = slang_oper_child(cond, 1);
+         slang_operation_copy(rhs, slang_oper_child(oper, 1));
+      }
+
+      /* if (_condFlag) INCR; */
+      {
+         slang_operation *ifop = slang_oper_child(block, 1);
+         ifop->type = SLANG_OPER_IF;
+         slang_operation_add_children(ifop, 2);
+
+         /* re-use cond node build above */
+         slang_operation_copy(slang_oper_child(ifop, 0), cond);
+
+         /* incr node from original for-loop operation */
+         slang_operation_copy(slang_oper_child(ifop, 1),
+                              slang_oper_child(oper, 2));
+      }
+
+      /* finally, replace "continue" with "break" in the inner for-loop */
+      replace_continue_with_break(A, slang_oper_child(innerFor, 3));
+   }
+
+   return _slang_gen_operation(A, top);
+}
+
+
+
+/**
  * Generate IR for a for-loop.  Unrolling will be done when possible.
  */
 static slang_ir_node *
-_slang_gen_for(slang_assemble_ctx * A, const slang_operation *oper)
+_slang_gen_for(slang_assemble_ctx * A, slang_operation *oper)
 {
-   GLboolean unroll = _slang_can_unroll_for_loop(A, oper);
+   GLboolean unroll;
+
+   if (!A->EmitContReturn) {
+      /* We don't want to emit CONT instructions.  If this for-loop has
+       * a continue, translate it away.
+       */
+      if (_slang_loop_contains_continue(slang_oper_child(oper, 3))) {
+         return _slang_gen_for_without_continue(A, oper);
+      }
+   }
 
+   unroll = _slang_can_unroll_for_loop(A, oper);
    if (unroll) {
       slang_ir_node *code = _slang_unroll_for_loop(A, oper);
       if (code)
          return code;
    }
 
+   assert(oper->type == SLANG_OPER_FOR);
+
    /* conventional for-loop code generation */
    {
       /*
@@ -2711,24 +3503,23 @@ _slang_gen_for(slang_assemble_ctx * A, const slang_operation *oper)
        *    tail code:
        *       incr code (child[2])   // XXX continue here
        */
-      slang_ir_node *prevLoop, *loop, *cond, *breakIf, *body, *init, *incr;
+      slang_ir_node *loop, *cond, *breakIf, *body, *init, *incr;
       init = _slang_gen_operation(A, &oper->children[0]);
       loop = new_loop(NULL);
 
-      /* save old, push new loop */
-      prevLoop = A->CurLoop;
-      A->CurLoop = loop;
+      /* save loop state */
+      push_loop(A, oper, loop);
 
       cond = new_cond(new_not(_slang_gen_operation(A, &oper->children[1])));
-      breakIf = new_break_if_true(A->CurLoop, cond);
+      breakIf = new_break_if_true(A, cond);
       body = _slang_gen_operation(A, &oper->children[3]);
       incr = _slang_gen_operation(A, &oper->children[2]);
 
       loop->Children[0] = new_seq(breakIf, body);
       loop->Children[1] = incr;  /* tail code */
 
-      /* pop loop, restore prev */
-      A->CurLoop = prevLoop;
+      /* restore loop state */
+      pop_loop(A);
 
       return new_seq(init, loop);
    }
@@ -2738,18 +3529,22 @@ _slang_gen_for(slang_assemble_ctx * A, const slang_operation *oper)
 static slang_ir_node *
 _slang_gen_continue(slang_assemble_ctx * A, const slang_operation *oper)
 {
-   slang_ir_node *n, *loopNode;
+   slang_ir_node *n, *cont, *incr = NULL, *loopNode;
+
    assert(oper->type == SLANG_OPER_CONTINUE);
-   loopNode = A->CurLoop;
+   loopNode = current_loop_ir(A);
    assert(loopNode);
    assert(loopNode->Opcode == IR_LOOP);
-   n = new_node0(IR_CONT);
-   if (n) {
-      n->Parent = loopNode;
-      /* insert this node at head of linked list */
-      n->List = loopNode->List;
-      loopNode->List = n;
+
+   cont = new_node0(IR_CONT);
+   if (cont) {
+      cont->Parent = loopNode;
+      /* insert this node at head of linked list of cont/break instructions */
+      cont->List = loopNode->List;
+      loopNode->List = cont;
    }
+
+   n = new_seq(incr, cont);
    return n;
 }
 
@@ -2819,24 +3614,20 @@ _slang_gen_if(slang_assemble_ctx * A, const slang_operation *oper)
    if (is_operation_type(&oper->children[1], SLANG_OPER_BREAK)
        && !haveElseClause) {
       /* Special case: generate a conditional break */
-      if (!A->CurLoop && A->UnrollLoop) /* trying to unroll */
-         return NULL;
-      ifBody = new_break_if_true(A->CurLoop, cond);
+      ifBody = new_break_if_true(A, cond);
       return ifBody;
    }
    else if (is_operation_type(&oper->children[1], SLANG_OPER_CONTINUE)
-            && !haveElseClause) {
+            && !haveElseClause
+            && current_loop_oper(A)
+            && current_loop_oper(A)->type != SLANG_OPER_FOR) {
       /* Special case: generate a conditional continue */
-      if (!A->CurLoop && A->UnrollLoop) /* trying to unroll */
-         return NULL;
-      ifBody = new_cont_if_true(A->CurLoop, cond);
+      ifBody = new_cont_if_true(A, cond);
       return ifBody;
    }
    else {
       /* general case */
       ifBody = _slang_gen_operation(A, &oper->children[1]);
-      if (!ifBody)
-         return NULL;
       if (haveElseClause)
          elseBody = _slang_gen_operation(A, &oper->children[2]);
       else
@@ -3242,14 +4033,11 @@ _slang_gen_logical_and(slang_assemble_ctx *A, slang_operation *oper)
 
    select = slang_operation_new(1);
    select->type = SLANG_OPER_SELECT;
-   select->num_children = 3;
-   select->children = slang_operation_new(3);
+   slang_operation_add_children(select, 3);
 
-   slang_operation_copy(&select->children[0], &oper->children[0]);
-   slang_operation_copy(&select->children[1], &oper->children[1]);
-   select->children[2].type = SLANG_OPER_LITERAL_BOOL;
-   ASSIGN_4V(select->children[2].literal, 0, 0, 0, 0); /* false */
-   select->children[2].literal_size = 1;
+   slang_operation_copy(slang_oper_child(select, 0), &oper->children[0]);
+   slang_operation_copy(slang_oper_child(select, 1), &oper->children[1]);
+   slang_operation_literal_bool(slang_oper_child(select, 2), GL_FALSE);
 
    n = _slang_gen_select(A, select);
    return n;
@@ -3268,14 +4056,11 @@ _slang_gen_logical_or(slang_assemble_ctx *A, slang_operation *oper)
 
    select = slang_operation_new(1);
    select->type = SLANG_OPER_SELECT;
-   select->num_children = 3;
-   select->children = slang_operation_new(3);
+   slang_operation_add_children(select, 3);
 
-   slang_operation_copy(&select->children[0], &oper->children[0]);
-   select->children[1].type = SLANG_OPER_LITERAL_BOOL;
-   ASSIGN_4V(select->children[1].literal, 1, 1, 1, 1); /* true */
-   select->children[1].literal_size = 1;
-   slang_operation_copy(&select->children[2], &oper->children[1]);
+   slang_operation_copy(slang_oper_child(select, 0), &oper->children[0]);
+   slang_operation_literal_bool(slang_oper_child(select, 1), GL_TRUE);
+   slang_operation_copy(slang_oper_child(select, 2), &oper->children[1]);
 
    n = _slang_gen_select(A, select);
    return n;
@@ -3288,70 +4073,8 @@ _slang_gen_logical_or(slang_assemble_ctx *A, slang_operation *oper)
 static slang_ir_node *
 _slang_gen_return(slang_assemble_ctx * A, slang_operation *oper)
 {
-   const GLboolean haveReturnValue
-      = (oper->num_children == 1 && oper->children[0].type != SLANG_OPER_VOID);
-
-   /* error checking */
-   assert(A->CurFunction);
-   if (haveReturnValue &&
-       A->CurFunction->header.type.specifier.type == SLANG_SPEC_VOID) {
-      slang_info_log_error(A->log, "illegal return expression");
-      return NULL;
-   }
-   else if (!haveReturnValue &&
-            A->CurFunction->header.type.specifier.type != SLANG_SPEC_VOID) {
-      slang_info_log_error(A->log, "return statement requires an expression");
-      return NULL;
-   }
-
-   if (!haveReturnValue) {
-      return new_return(A->curFuncEndLabel);
-   }
-   else {
-      /*
-       * Convert from:
-       *   return expr;
-       * To:
-       *   __retVal = expr;
-       *   return;  // goto __endOfFunction
-       */
-      slang_operation *assign;
-      slang_atom a_retVal;
-      slang_ir_node *n;
-
-      a_retVal = slang_atom_pool_atom(A->atoms, "__retVal");
-      assert(a_retVal);
-
-#if 1 /* DEBUG */
-      {
-         slang_variable *v =
-            _slang_variable_locate(oper->locals, a_retVal, GL_TRUE);
-         if (!v) {
-            /* trying to return a value in a void-valued function */
-            return NULL;
-         }
-      }
-#endif
-
-      assign = slang_operation_new(1);
-      assign->type = SLANG_OPER_ASSIGN;
-      assign->num_children = 2;
-      assign->children = slang_operation_new(2);
-      /* lhs (__retVal) */
-      assign->children[0].type = SLANG_OPER_IDENTIFIER;
-      assign->children[0].a_id = a_retVal;
-      assign->children[0].locals->outer_scope = assign->locals;
-      /* rhs (expr) */
-      /* XXX we might be able to avoid this copy someday */
-      slang_operation_copy(&assign->children[1], &oper->children[0]);
-
-      /* assemble the new code */
-      n = new_seq(_slang_gen_operation(A, assign),
-                  new_return(A->curFuncEndLabel));
-
-      slang_operation_delete(assign);
-      return n;
-   }
+   assert(oper->type == SLANG_OPER_RETURN);
+   return new_return(A->curFuncEndLabel);
 }
 
 
@@ -3457,6 +4180,7 @@ _slang_gen_declaration(slang_assemble_ctx *A, slang_operation *oper)
    assert(oper->type == SLANG_OPER_VARIABLE_DECL);
    assert(oper->num_children <= 1);
 
+
    /* lookup the variable by name */
    var = _slang_variable_locate(oper->locals, oper->a_id, GL_TRUE);
    if (!var)
@@ -3612,6 +4336,9 @@ root_swizzle(const slang_ir_storage *st)
 static slang_ir_node *
 _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper)
 {
+   slang_operation *pred = NULL;
+   slang_ir_node *n = NULL;
+
    if (oper->children[0].type == SLANG_OPER_IDENTIFIER) {
       /* Check that var is writeable */
       slang_variable *var
@@ -3632,6 +4359,17 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper)
                               (char *) oper->children[0].a_id);
          return NULL;
       }
+
+      /* check if we need to predicate this assignment based on __notRetFlag */
+      if ((var->is_global ||
+           var->type.qualifier == SLANG_QUAL_OUT ||
+           var->type.qualifier == SLANG_QUAL_INOUT) && A->UseReturnFlag) {
+         /* create predicate, used below */
+         pred = slang_operation_new(1);
+         pred->type = SLANG_OPER_IDENTIFIER;
+         pred->a_id = slang_atom_pool_atom(A->atoms, "__notRetFlag");
+         pred->locals->outer_scope = oper->locals->outer_scope;
+      }
    }
 
    if (oper->children[0].type == SLANG_OPER_IDENTIFIER &&
@@ -3643,14 +4381,12 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper)
        * cases such as "v.x = f();"  - would help with typical vertex
        * transformation.
        */
-      slang_ir_node *n;
       n = _slang_gen_function_call_name(A,
                                       (const char *) oper->children[1].a_id,
                                       &oper->children[1], &oper->children[0]);
-      return n;
    }
    else {
-      slang_ir_node *n, *lhs, *rhs;
+      slang_ir_node *lhs, *rhs;
 
       /* lhs and rhs type checking */
       if (!_slang_assignment_compatible(A,
@@ -3690,12 +4426,21 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper)
             rhs = _slang_gen_swizzle(rhs, newSwizzle);
          }
          n = new_node2(IR_COPY, lhs, rhs);
-         return n;
       }
       else {
          return NULL;
       }
    }
+
+   if (n && pred) {
+      /* predicate the assignment code on __notRetFlag */
+      slang_ir_node *top, *cond;
+
+      cond = _slang_gen_operation(A, pred);
+      top = new_if(cond, n, NULL);
+      return top;
+   }
+   return n;
 }
 
 
@@ -4048,16 +4793,14 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
    case SLANG_OPER_WHILE:
       return _slang_gen_while(A, oper);
    case SLANG_OPER_BREAK:
-      if (!A->CurLoop) {
-         if (!A->UnrollLoop)
-            slang_info_log_error(A->log, "'break' not in loop");
+      if (!current_loop_oper(A)) {
+         slang_info_log_error(A->log, "'break' not in loop");
          return NULL;
       }
-      return new_break(A->CurLoop);
+      return new_break(current_loop_ir(A));
    case SLANG_OPER_CONTINUE:
-      if (!A->CurLoop) {
-         if (!A->UnrollLoop)
-            slang_info_log_error(A->log, "'continue' not in loop");
+      if (!current_loop_oper(A)) {
+         slang_info_log_error(A->log, "'continue' not in loop");
          return NULL;
       }
       return _slang_gen_continue(A, oper);
@@ -4182,6 +4925,8 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
       return _slang_gen_method_call(A, oper);
    case SLANG_OPER_RETURN:
       return _slang_gen_return(A, oper);
+   case SLANG_OPER_RETURN_INLINED:
+      return _slang_gen_return(A, oper);
    case SLANG_OPER_LABEL:
       return new_label(oper->label);
    case SLANG_OPER_IDENTIFIER:
@@ -4303,6 +5048,8 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var,
    const GLint totalSize = _slang_array_size(size, arrayLen);
    GLint texIndex = sampler_to_texture_index(var->type.specifier.type);
 
+   var->is_global = GL_TRUE;
+
    /* check for sampler2D arrays */
    if (texIndex == -1 && var->type.specifier._array)
       texIndex = sampler_to_texture_index(var->type.specifier._array->type);
@@ -4601,7 +5348,9 @@ _slang_codegen_function(slang_assemble_ctx * A, slang_function * fun)
    assert(A->program->Parameters );
    assert(A->program->Varying);
    assert(A->vartable);
-   A->CurLoop = NULL;
+
+   A->LoopDepth = 0;
+   A->UseReturnFlag = GL_FALSE;
    A->CurFunction = fun;
 
    /* fold constant expressions, etc. */
diff --git a/src/mesa/shader/slang/slang_codegen.h b/src/mesa/shader/slang/slang_codegen.h
index d80013ad341..ee3be55a459 100644
--- a/src/mesa/shader/slang/slang_codegen.h
+++ b/src/mesa/shader/slang/slang_codegen.h
@@ -31,6 +31,9 @@
 #include "slang_compile.h"
 
 
+#define MAX_LOOP_DEPTH 30
+
+
 typedef struct slang_assemble_ctx_
 {
    slang_atom_pool *atoms;
@@ -39,11 +42,19 @@ typedef struct slang_assemble_ctx_
    struct gl_sl_pragmas *pragmas;
    slang_var_table *vartable;
    slang_info_log *log;
-   struct slang_label_ *curFuncEndLabel;
-   struct slang_ir_node_ *CurLoop;
+
+   /* current loop stack */
+   const slang_operation *LoopOperStack[MAX_LOOP_DEPTH];
+   struct slang_ir_node_ *LoopIRStack[MAX_LOOP_DEPTH];
+   GLuint LoopDepth;
+
+   /* current function */
    struct slang_function_ *CurFunction;
-   GLuint UnrollLoop;
+   struct slang_label_ *curFuncEndLabel;
+   GLboolean UseReturnFlag;
+
    GLboolean UnresolvedRefs;
+   GLboolean EmitContReturn;
 } slang_assemble_ctx;
 
 
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index d7ad879e97a..c1b97c7cb70 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -1953,6 +1953,7 @@ static int
 parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
                       const slang_fully_specified_type * type)
 {
+   GET_CURRENT_CONTEXT(ctx); /* a hack */
    slang_variable *var;
    slang_atom a_name;
 
@@ -2066,6 +2067,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
       A.vartable = O->vartable;
       A.log = C->L;
       A.curFuncEndLabel = NULL;
+      A.EmitContReturn = ctx->Shader.EmitContReturn;
       if (!_slang_codegen_global_variable(&A, var, C->type))
          RETURN0;
    }
@@ -2430,6 +2432,7 @@ parse_code_unit(slang_parse_ctx * C, slang_code_unit * unit,
       A.program = o.program;
       A.pragmas = &shader->Pragmas;
       A.vartable = o.vartable;
+      A.EmitContReturn = ctx->Shader.EmitContReturn;
       A.log = C->L;
 
       /* main() takes no parameters */
diff --git a/src/mesa/shader/slang/slang_compile_operation.c b/src/mesa/shader/slang/slang_compile_operation.c
index e6506168808..3e2bdbc91ff 100644
--- a/src/mesa/shader/slang/slang_compile_operation.c
+++ b/src/mesa/shader/slang/slang_compile_operation.c
@@ -119,11 +119,13 @@ slang_operation_copy(slang_operation * x, const slang_operation * y)
    if (!slang_operation_construct(&z))
       return GL_FALSE;
    z.type = y->type;
-   z.children = (slang_operation *)
-      _slang_alloc(y->num_children * sizeof(slang_operation));
-   if (z.children == NULL) {
-      slang_operation_destruct(&z);
-      return GL_FALSE;
+   if (y->num_children > 0) {
+      z.children = (slang_operation *)
+         _slang_alloc(y->num_children * sizeof(slang_operation));
+      if (z.children == NULL) {
+         slang_operation_destruct(&z);
+         return GL_FALSE;
+      }
    }
    for (z.num_children = 0; z.num_children < y->num_children;
         z.num_children++) {
@@ -152,6 +154,15 @@ slang_operation_copy(slang_operation * x, const slang_operation * y)
          return GL_FALSE;
       }
    }
+
+   /* update scoping for children */
+   for (i = 0; i < y->num_children; i++) {
+      if (y->children[i].locals &&
+          y->children[i].locals->outer_scope == y->locals) {
+         z.children[i].locals->outer_scope = z.locals;
+      }
+   }
+
 #if 0
    z.var = y->var;
    z.fun = y->fun;
@@ -198,6 +209,20 @@ slang_operation_delete(slang_operation *oper)
 }
 
 
+void
+slang_operation_free_children(slang_operation *oper)
+{
+   GLuint i;
+   for (i = 0; i < slang_oper_num_children(oper); i++) {
+      slang_operation *child = slang_oper_child(oper, i);
+      slang_operation_destruct(child);
+   }
+   _slang_free(oper->children);
+   oper->children = NULL;
+   oper->num_children = 0;
+}
+
+
 slang_operation *
 slang_operation_grow(GLuint *numChildren, slang_operation **children)
 {
@@ -263,6 +288,26 @@ slang_operation_insert(GLuint *numElements, slang_operation **array,
 }
 
 
+/**
+ * Add/insert new child into given node at given position.
+ * \return pointer to the new child node
+ */
+slang_operation *
+slang_operation_insert_child(slang_operation *oper, GLuint pos)
+{
+   slang_operation *newOp;
+
+   newOp = slang_operation_insert(&oper->num_children,
+                                  &oper->children,
+                                  pos);
+   if (newOp) {
+      newOp->locals->outer_scope = oper->locals;
+   }
+
+   return newOp;
+}
+
+
 void
 _slang_operation_swap(slang_operation *oper0, slang_operation *oper1)
 {
@@ -272,3 +317,16 @@ _slang_operation_swap(slang_operation *oper0, slang_operation *oper1)
 }
 
 
+void
+slang_operation_add_children(slang_operation *oper, GLuint num_children)
+{
+   GLuint i;
+   assert(oper->num_children == 0);
+   assert(oper->children == NULL);
+   oper->num_children = num_children;
+   oper->children = slang_operation_new(num_children);
+   for (i = 0; i < num_children; i++) {
+      oper->children[i].locals = _slang_variable_scope_new(oper->locals);
+   }
+}
+
diff --git a/src/mesa/shader/slang/slang_compile_operation.h b/src/mesa/shader/slang/slang_compile_operation.h
index 37af5d617c9..58f1edeed85 100644
--- a/src/mesa/shader/slang/slang_compile_operation.h
+++ b/src/mesa/shader/slang/slang_compile_operation.h
@@ -42,6 +42,7 @@ typedef enum slang_operation_type_
    SLANG_OPER_CONTINUE,         /* "continue" statement */
    SLANG_OPER_DISCARD,          /* "discard" (kill fragment) statement */
    SLANG_OPER_RETURN,           /* "return" [expr]  */
+   SLANG_OPER_RETURN_INLINED,   /* "return" [expr] from inlined function  */
    SLANG_OPER_LABEL,            /* a jump target */
    SLANG_OPER_EXPRESSION,       /* [expr] */
    SLANG_OPER_IF,               /* "if" [0] then [1] else [2] */
@@ -150,6 +151,9 @@ slang_operation_new(GLuint count);
 extern void
 slang_operation_delete(slang_operation *oper);
 
+extern void
+slang_operation_free_children(slang_operation *oper);
+
 extern slang_operation *
 slang_operation_grow(GLuint *numChildren, slang_operation **children);
 
@@ -157,8 +161,66 @@ extern slang_operation *
 slang_operation_insert(GLuint *numChildren, slang_operation **children,
                        GLuint pos);
 
+extern slang_operation *
+slang_operation_insert_child(slang_operation *oper, GLuint pos);
+
 extern void
 _slang_operation_swap(slang_operation *oper0, slang_operation *oper1);
 
 
+extern void
+slang_operation_add_children(slang_operation *oper, GLuint num_children);
+
+
+/** Return number of children of given node */
+static INLINE GLuint
+slang_oper_num_children(const slang_operation *oper)
+{
+   return oper->num_children;
+}
+
+/** Return child of given operation node */
+static INLINE slang_operation *
+slang_oper_child(slang_operation *oper, GLuint child)
+{
+   assert(child < oper->num_children);
+   return &oper->children[child];
+}
+
+
+/** Return child of given operation node, const version */
+static INLINE const slang_operation *
+slang_oper_child_const(const slang_operation *oper, GLuint child)
+{
+   assert(child < oper->num_children);
+   return &oper->children[child];
+}
+
+
+/** Init oper to a boolean literal. */
+static INLINE void
+slang_operation_literal_bool(slang_operation *oper, GLboolean value)
+{
+   oper->type = SLANG_OPER_LITERAL_BOOL;
+   oper->literal[0] =
+   oper->literal[1] =
+   oper->literal[2] =
+   oper->literal[3] = (float) value;
+   oper->literal_size = 1;
+}
+
+
+/** Init oper to an int literal. */
+static INLINE void
+slang_operation_literal_int(slang_operation *oper, GLint value)
+{
+   oper->type = SLANG_OPER_LITERAL_INT;
+   oper->literal[0] =
+   oper->literal[1] =
+   oper->literal[2] =
+   oper->literal[3] = (float) value;
+   oper->literal_size = 1;
+}
+
+
 #endif /* SLANG_COMPILE_OPERATION_H */
diff --git a/src/mesa/shader/slang/slang_compile_variable.h b/src/mesa/shader/slang/slang_compile_variable.h
index a667d91b471..b4585599f24 100644
--- a/src/mesa/shader/slang/slang_compile_variable.h
+++ b/src/mesa/shader/slang/slang_compile_variable.h
@@ -39,6 +39,7 @@ typedef struct slang_variable_
    GLuint array_len;                /**< only if type == SLANG_SPEC_ARRAy */
    struct slang_operation_ *initializer; /**< Optional initializer code */
    GLuint size;                     /**< Variable's size in bytes */
+   GLboolean is_global;
    GLboolean isTemp;                /**< a named temporary (__resultTmp) */
    GLboolean declared;              /**< for debug */
    struct slang_ir_storage_ *store; /**< Storage for this var */
diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c
index 1fdf4db054c..387659ff300 100644
--- a/src/mesa/shader/slang/slang_link.c
+++ b/src/mesa/shader/slang/slang_link.c
@@ -97,7 +97,8 @@ bits_agree(GLbitfield flags1, GLbitfield flags2, GLbitfield bit)
  * which inputs are centroid-sampled, invariant, etc.
  */
 static GLboolean
-link_varying_vars(struct gl_shader_program *shProg, struct gl_program *prog)
+link_varying_vars(GLcontext *ctx,
+                  struct gl_shader_program *shProg, struct gl_program *prog)
 {
    GLuint *map, i, firstVarying, newFile;
    GLbitfield *inOutFlags;
@@ -156,8 +157,12 @@ link_varying_vars(struct gl_shader_program *shProg, struct gl_program *prog)
                                var->Flags);
       }
 
+      if (shProg->Varying->NumParameters > ctx->Const.MaxVarying) {
+         link_error(shProg, "Too many varying variables");
+         return GL_FALSE;
+      }
+
       /* Map varying[i] to varying[j].
-       * Plus, set prog->Input/OutputFlags[] as described above.
        * Note: the loop here takes care of arrays or large (sz>4) vars.
        */
       {
@@ -319,7 +324,7 @@ _slang_resolve_attributes(struct gl_shader_program *shProg,
                           const struct gl_program *origProg,
                           struct gl_program *linkedProg)
 {
-   GLint attribMap[MAX_VERTEX_ATTRIBS];
+   GLint attribMap[MAX_VERTEX_GENERIC_ATTRIBS];
    GLuint i, j;
    GLbitfield usedAttributes; /* generics only, not legacy attributes */
 
@@ -355,7 +360,7 @@ _slang_resolve_attributes(struct gl_shader_program *shProg,
    }
 
    /* initialize the generic attribute map entries to -1 */
-   for (i = 0; i < MAX_VERTEX_ATTRIBS; i++) {
+   for (i = 0; i < MAX_VERTEX_GENERIC_ATTRIBS; i++) {
       attribMap[i] = -1;
    }
 
@@ -396,11 +401,11 @@ _slang_resolve_attributes(struct gl_shader_program *shProg,
                    * Start at 1 since generic attribute 0 always aliases
                    * glVertex/position.
                    */
-                  for (attr = 0; attr < MAX_VERTEX_ATTRIBS; attr++) {
+                  for (attr = 0; attr < MAX_VERTEX_GENERIC_ATTRIBS; attr++) {
                      if (((1 << attr) & usedAttributes) == 0)
                         break;
                   }
-                  if (attr == MAX_VERTEX_ATTRIBS) {
+                  if (attr == MAX_VERTEX_GENERIC_ATTRIBS) {
                      link_error(shProg, "Too many vertex attributes");
                      return GL_FALSE;
                   }
@@ -725,11 +730,11 @@ _slang_link(GLcontext *ctx,
 
    /* link varying vars */
    if (shProg->VertexProgram) {
-      if (!link_varying_vars(shProg, &shProg->VertexProgram->Base))
+      if (!link_varying_vars(ctx, shProg, &shProg->VertexProgram->Base))
          return;
    }
    if (shProg->FragmentProgram) {
-      if (!link_varying_vars(shProg, &shProg->FragmentProgram->Base))
+      if (!link_varying_vars(ctx, shProg, &shProg->FragmentProgram->Base))
          return;
    }
 
diff --git a/src/mesa/shader/slang/slang_preprocess.c b/src/mesa/shader/slang/slang_preprocess.c
index ff913ad8838..e9a24cc009a 100644
--- a/src/mesa/shader/slang/slang_preprocess.c
+++ b/src/mesa/shader/slang/slang_preprocess.c
@@ -1035,11 +1035,11 @@ preprocess_source (slang_string *output, const char *source,
 
                /* Parse optional macro parameters. */
                while (prod[i++] != PARAM_END) {
-                  if (state.cond.top->effective) {
-                     pp_symbol *param;
+                  pp_symbol *param;
 
-                     id = (const char *) (&prod[i]);
-                     idlen = _mesa_strlen (id);
+                  id = (const char *) (&prod[i]);
+                  idlen = _mesa_strlen (id);
+                  if (state.cond.top->effective) {
                      pp_annotate (output, "%s, ", id);
                      param = pp_symbols_push (&symbol->parameters);
                      if (param == NULL)
@@ -1053,8 +1053,23 @@ preprocess_source (slang_string *output, const char *source,
                id = (const char *) (&prod[i]);
                idlen = _mesa_strlen (id);
                if (state.cond.top->effective) {
+                  slang_string replacement;
+                  expand_state es;
+
                   pp_annotate (output, ") %s", id);
-                  slang_string_pushs (&symbol->replacement, id, idlen);
+
+                  slang_string_init(&replacement);
+                  slang_string_pushs(&replacement, id, idlen);
+
+                  /* Expand macro replacement. */
+                  es.output = &symbol->replacement;
+                  es.input = slang_string_cstr(&replacement);
+                  es.state = &state;
+                  if (!expand(&es, &state.symbols)) {
+                     slang_string_free(&replacement);
+                     goto error;
+                  }
+                  slang_string_free(&replacement);
                }
                i += idlen + 1;
             }
@@ -1286,6 +1301,45 @@ error:
 
 
 /**
+ * Remove the continuation characters from the input string.
+ * This is the very first step in preprocessing and is effective
+ * even inside comment blocks.
+ * If there is a whitespace between a backslash and a newline,
+ * this is not considered as a line continuation.
+ * \return GL_TRUE for success, GL_FALSE otherwise.
+ */
+static GLboolean
+_slang_preprocess_backslashes(slang_string *output,
+                              const char *input)
+{
+   while (*input) {
+      if (input[0] == '\\') {
+         /* If a newline follows, eat the backslash and the newline. */
+         if (input[1] == '\r') {
+            if (input[2] == '\n') {
+               input += 3;
+            } else {
+               input += 2;
+            }
+         } else if (input[1] == '\n') {
+            if (input[2] == '\r') {
+               input += 3;
+            } else {
+               input += 2;
+            }
+         } else {
+            /* Leave the backslash alone. */
+            slang_string_pushc(output, *input++);
+         }
+      } else {
+         slang_string_pushc(output, *input++);
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
  * Run preprocessor on source code.
  * \param extensions  indicates which GL extensions are enabled
  * \param output  the post-process results
@@ -1304,6 +1358,7 @@ _slang_preprocess_directives(slang_string *output,
 {
    grammar pid, eid;
    GLboolean success;
+   slang_string without_backslashes;
 
    pid = grammar_load_from_text ((const byte *) (slang_pp_directives_syn));
    if (pid == 0) {
@@ -1316,9 +1371,36 @@ _slang_preprocess_directives(slang_string *output,
       grammar_destroy (pid);
       return GL_FALSE;
    }
-   success = preprocess_source (output, input, pid, eid, elog, extensions, pragmas);
+
+   slang_string_init(&without_backslashes);
+   success = _slang_preprocess_backslashes(&without_backslashes, input);
+
+   if (0) {
+      _mesa_printf("Pre-processed shader:\n");
+      _mesa_printf("%s", slang_string_cstr(&without_backslashes));
+      _mesa_printf("----------------------\n");
+   }
+
+   if (success) {
+      success = preprocess_source(output,
+                                  slang_string_cstr(&without_backslashes),
+                                  pid,
+                                  eid,
+                                  elog,
+                                  extensions,
+                                  pragmas);
+   }
+
+   slang_string_free(&without_backslashes);
    grammar_destroy (eid);
    grammar_destroy (pid);
+
+   if (0) {
+      _mesa_printf("Post-processed shader:\n");
+      _mesa_printf("%s", slang_string_cstr(output));
+      _mesa_printf("----------------------\n");
+   }
+
    return success;
 }
 
diff --git a/src/mesa/shader/slang/slang_print.c b/src/mesa/shader/slang/slang_print.c
index bf1475f91d9..98c7877534f 100644
--- a/src/mesa/shader/slang/slang_print.c
+++ b/src/mesa/shader/slang/slang_print.c
@@ -261,6 +261,7 @@ slang_print_tree(const slang_operation *op, int indent)
       break;
 
    case SLANG_OPER_BLOCK_NEW_SCOPE:
+   case SLANG_OPER_NON_INLINED_CALL:
       spaces(indent);
       printf("{{ // new scope  locals=%p outer=%p: ",
              (void *) op->locals,
@@ -348,6 +349,13 @@ slang_print_tree(const slang_operation *op, int indent)
          slang_print_tree(&op->children[0], indent + 3);
       break;
 
+   case SLANG_OPER_RETURN_INLINED:
+      spaces(indent);
+      printf("RETURN_INLINED\n");
+      if (op->num_children > 0)
+         slang_print_tree(&op->children[0], indent + 3);
+      break;
+
    case SLANG_OPER_LABEL:
       spaces(indent);
       printf("LABEL %s\n", (char *) op->a_id);
@@ -478,7 +486,7 @@ slang_print_tree(const slang_operation *op, int indent)
                    (void *) scope,
                    (void *) op->locals,
                    (void *) op->locals->outer_scope);
-            assert(scope);
+            /*assert(scope);*/
          }
       }
       break;
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index fc1ff5be04a..ee649be885e 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -175,11 +175,12 @@ find_translated_vp(struct st_context *st,
 
    /* See if we need to translate vertex program to TGSI form */
    if (xvp->serialNo != stvp->serialNo) {
-      GLuint outAttr, dummySlot;
+      GLuint outAttr;
       const GLbitfield outputsWritten = stvp->Base.Base.OutputsWritten;
       GLuint numVpOuts = 0;
       GLboolean emitPntSize = GL_FALSE, emitBFC0 = GL_FALSE, emitBFC1 = GL_FALSE;
-      GLint maxGeneric;
+      GLbitfield usedGenerics = 0x0;
+      GLbitfield usedOutputSlots = 0x0;
 
       /* Compute mapping of vertex program outputs to slots, which depends
        * on the fragment program's input->slot mapping.
@@ -192,10 +193,12 @@ find_translated_vp(struct st_context *st,
 
          if (outAttr == VERT_RESULT_HPOS) {
             /* always put xformed position into slot zero */
-            xvp->output_to_slot[VERT_RESULT_HPOS] = 0;
+            GLuint slot = 0;
+            xvp->output_to_slot[VERT_RESULT_HPOS] = slot;
             xvp->output_to_semantic_name[outAttr] = TGSI_SEMANTIC_POSITION;
             xvp->output_to_semantic_index[outAttr] = 0;
             numVpOuts++;
+            usedOutputSlots |= (1 << slot);
          }
          else if (outputsWritten & (1 << outAttr)) {
             /* see if the frag prog wants this vert output */
@@ -209,6 +212,12 @@ find_translated_vp(struct st_context *st,
                   xvp->output_to_semantic_name[outAttr] = stfp->input_semantic_name[fpInSlot];
                   xvp->output_to_semantic_index[outAttr] = stfp->input_semantic_index[fpInSlot];
                   numVpOuts++;
+                  usedOutputSlots |= (1 << vpOutSlot);
+               }
+               else {
+#if 0 /*debug*/
+                  printf("VP output %d not used by FP\n", outAttr);
+#endif
                }
             }
             else if (outAttr == VERT_RESULT_PSIZ)
@@ -226,45 +235,49 @@ find_translated_vp(struct st_context *st,
 
       /* must do these last */
       if (emitPntSize) {
-         xvp->output_to_slot[VERT_RESULT_PSIZ] = numVpOuts++;
+         GLuint slot = numVpOuts++;
+         xvp->output_to_slot[VERT_RESULT_PSIZ] = slot;
          xvp->output_to_semantic_name[VERT_RESULT_PSIZ] = TGSI_SEMANTIC_PSIZE;
          xvp->output_to_semantic_index[VERT_RESULT_PSIZ] = 0;
+         usedOutputSlots |= (1 << slot);
       }
       if (emitBFC0) {
-         xvp->output_to_slot[VERT_RESULT_BFC0] = numVpOuts++;
+         GLuint slot = numVpOuts++;
+         xvp->output_to_slot[VERT_RESULT_BFC0] = slot;
          xvp->output_to_semantic_name[VERT_RESULT_BFC0] = TGSI_SEMANTIC_COLOR;
          xvp->output_to_semantic_index[VERT_RESULT_BFC0] = 0;
+         usedOutputSlots |= (1 << slot);
       }
       if (emitBFC1) {
-         xvp->output_to_slot[VERT_RESULT_BFC1] = numVpOuts++;
-         xvp->output_to_semantic_name[VERT_RESULT_BFC0] = TGSI_SEMANTIC_COLOR;
-         xvp->output_to_semantic_index[VERT_RESULT_BFC0] = 1;
+         GLuint slot = numVpOuts++;
+         xvp->output_to_slot[VERT_RESULT_BFC1] = slot;
+         xvp->output_to_semantic_name[VERT_RESULT_BFC1] = TGSI_SEMANTIC_COLOR;
+         xvp->output_to_semantic_index[VERT_RESULT_BFC1] = 1;
+         usedOutputSlots |= (1 << slot);
       }
 
-      /* Unneeded vertex program outputs will go to this slot.
-       * We could use this info to do dead code elimination in the
-       * vertex program.
-       */
-      dummySlot = numVpOuts;
-
-      /* find max GENERIC slot index */
-      maxGeneric = -1;
+      /* build usedGenerics mask */
+      usedGenerics = 0x0;
       for (outAttr = 0; outAttr < VERT_RESULT_MAX; outAttr++) {
          if (xvp->output_to_semantic_name[outAttr] == TGSI_SEMANTIC_GENERIC) {
-            maxGeneric = MAX2(maxGeneric,
-                              xvp->output_to_semantic_index[outAttr]);
+            usedGenerics |= (1 << xvp->output_to_semantic_index[outAttr]);
          }
       }
 
-      /* Map vert program outputs that aren't used to the dummy slot
-       * (and an unused generic attribute slot).
+      /* For each vertex program output that doesn't match up to a fragment
+       * program input, map the vertex program output to a free slot and
+       * free generic attribute.
        */
       for (outAttr = 0; outAttr < VERT_RESULT_MAX; outAttr++) {
          if (outputsWritten & (1 << outAttr)) {
             if (xvp->output_to_slot[outAttr] == UNUSED) {
-               xvp->output_to_slot[outAttr] = dummySlot;
+               GLint freeGeneric = _mesa_ffs(~usedGenerics) - 1;
+               GLint freeSlot = _mesa_ffs(~usedOutputSlots) - 1;
+               usedGenerics |= (1 << freeGeneric);
+               usedOutputSlots |= (1 << freeSlot);
+               xvp->output_to_slot[outAttr] = freeSlot;
                xvp->output_to_semantic_name[outAttr] = TGSI_SEMANTIC_GENERIC;
-               xvp->output_to_semantic_index[outAttr] = maxGeneric + 1;
+               xvp->output_to_semantic_index[outAttr] = freeGeneric;
             }
          }
 
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index 7f793cf08db..95181578f63 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -48,10 +48,6 @@
 #include "util/u_tile.h"
 
 
-#define UNCLAMPED_FLOAT_TO_SHORT(us, f)  \
-   us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
-
-
 /**
  * For hardware that supports deep color buffers, we could accelerate
  * most/all the accum operations with blending/texturing.
@@ -59,74 +55,20 @@
  */
 
 
-/**
- * Wrapper for pipe_get_tile_rgba().  Do format/cpp override to make the
- * tile util function think the surface is 16bit/channel, even if it's not.
- * See also: st_renderbuffer_alloc_storage()
- */
-static void
-acc_get_tile_rgba(struct pipe_context *pipe, struct pipe_transfer *acc_pt,
-                  uint x, uint y, uint w, uint h, float *p)
-{
-   const enum pipe_format f = acc_pt->format;
-   const struct pipe_format_block b = acc_pt->block;
-
-   acc_pt->format = DEFAULT_ACCUM_PIPE_FORMAT;
-   acc_pt->block.size = 8;
-   acc_pt->block.width = 1;
-   acc_pt->block.height = 1;
-
-   pipe_get_tile_rgba(acc_pt, x, y, w, h, p);
-
-   acc_pt->format = f;
-   acc_pt->block = b;
-}
-
-
-/**
- * Wrapper for pipe_put_tile_rgba().  Do format/cpp override to make the
- * tile util function think the surface is 16bit/channel, even if it's not.
- * See also: st_renderbuffer_alloc_storage()
- */
-static void
-acc_put_tile_rgba(struct pipe_context *pipe, struct pipe_transfer *acc_pt,
-                  uint x, uint y, uint w, uint h, const float *p)
-{
-   enum pipe_format f = acc_pt->format;
-   const struct pipe_format_block b = acc_pt->block;
-
-   acc_pt->format = DEFAULT_ACCUM_PIPE_FORMAT;
-   acc_pt->block.size = 8;
-   acc_pt->block.width = 1;
-   acc_pt->block.height = 1;
-
-   pipe_put_tile_rgba(acc_pt, x, y, w, h, p);
-
-   acc_pt->format = f;
-   acc_pt->block = b;
-}
-
-
-
 void
 st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
 {
    struct st_renderbuffer *acc_strb = st_renderbuffer(rb);
-   struct pipe_transfer *acc_pt;
-   struct pipe_screen *screen = ctx->st->pipe->screen;
    const GLint xpos = ctx->DrawBuffer->_Xmin;
    const GLint ypos = ctx->DrawBuffer->_Ymin;
    const GLint width = ctx->DrawBuffer->_Xmax - xpos;
    const GLint height = ctx->DrawBuffer->_Ymax - ypos;
-   GLubyte *map;
-
-   acc_pt = st_cond_flush_get_tex_transfer(st_context(ctx), acc_strb->texture,
-					   0, 0, 0,
-					   PIPE_TRANSFER_WRITE, xpos, ypos,
-					   width, height);
-   map = screen->transfer_map(screen, acc_pt);
+   size_t stride = acc_strb->stride;
+   GLubyte *data = acc_strb->data;
 
-   /* note acc_strb->format might not equal acc_pt->format */
+   if(!data)
+      return;
+   
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
       {
@@ -136,7 +78,7 @@ st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
          GLshort a = FLOAT_TO_SHORT(ctx->Accum.ClearColor[3]);
          int i, j;
          for (i = 0; i < height; i++) {
-            GLshort *dst = (GLshort *) (map + i * acc_pt->stride + xpos * 8);
+            GLshort *dst = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
             for (j = 0; j < width; j++) {
                dst[0] = r;
                dst[1] = g;
@@ -150,9 +92,6 @@ st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
    default:
       _mesa_problem(ctx, "unexpected format in st_clear_accum_buffer()");
    }
-
-   screen->transfer_unmap(screen, acc_pt);
-   screen->tex_transfer_destroy(acc_pt);
 }
 
 
@@ -162,27 +101,18 @@ accum_mad(GLcontext *ctx, GLfloat scale, GLfloat bias,
           GLint xpos, GLint ypos, GLint width, GLint height,
           struct st_renderbuffer *acc_strb)
 {
-   struct pipe_screen *screen = ctx->st->pipe->screen;
-   struct pipe_transfer *acc_pt;
-   GLubyte *map;
-
-   acc_pt = st_cond_flush_get_tex_transfer(st_context(ctx), acc_strb->texture,
-					   0, 0, 0,
-					   PIPE_TRANSFER_READ_WRITE,
-					   xpos, ypos,
-					   width, height);
-   map = screen->transfer_map(screen, acc_pt);
-
-   /* note acc_strb->format might not equal acc_pt->format */
+   size_t stride = acc_strb->stride;
+   GLubyte *data = acc_strb->data;
+
    switch (acc_strb->format) {
    case PIPE_FORMAT_R16G16B16A16_SNORM:
       {
          int i, j;
          for (i = 0; i < height; i++) {
-            GLshort *acc = (GLshort *) (map + (ypos + i) * acc_pt->stride + xpos * 8);
+            GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
             for (j = 0; j < width * 4; j++) {
-               float val = SHORT_TO_FLOAT(acc[j]) * scale + bias;
-               acc[j] = FLOAT_TO_SHORT(val);
+               float val = SHORT_TO_FLOAT(*acc) * scale + bias;
+               *acc++ = FLOAT_TO_SHORT(val);
             }
          }
       }
@@ -190,9 +120,6 @@ accum_mad(GLcontext *ctx, GLfloat scale, GLfloat bias,
    default:
       _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
    }
-
-   screen->transfer_unmap(screen, acc_pt);
-   screen->tex_transfer_destroy(acc_pt);
 }
 
 
@@ -204,39 +131,39 @@ accum_accum(struct st_context *st, GLfloat value,
 {
    struct pipe_context *pipe = st->pipe;
    struct pipe_screen *screen = pipe->screen;
-   struct pipe_transfer *acc_trans, *color_trans;
-   GLfloat *colorBuf, *accBuf;
-   GLint i;
-
-   acc_trans = st_cond_flush_get_tex_transfer(st, acc_strb->texture, 0, 0, 0,
-					      PIPE_TRANSFER_READ, xpos, ypos,
-					      width, height);
+   struct pipe_transfer *color_trans;
+   size_t stride = acc_strb->stride;
+   GLubyte *data = acc_strb->data;
+   GLfloat *buf;
 
    color_trans = st_cond_flush_get_tex_transfer(st, color_strb->texture,
 						0, 0, 0,
 						PIPE_TRANSFER_READ, xpos, ypos,
 						width, height);
 
-   colorBuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
-   accBuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
+   buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
 
-   pipe_get_tile_rgba(color_trans, 0, 0, width, height, colorBuf);
-   acc_get_tile_rgba(pipe, acc_trans, 0, 0, width, height, accBuf);
+   pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
 
-   for (i = 0; i < 4 * width * height; i++) {
-      accBuf[i] = accBuf[i] + colorBuf[i] * value;
+   switch (acc_strb->format) {
+   case PIPE_FORMAT_R16G16B16A16_SNORM:
+      {
+         const GLfloat *color = buf;
+         int i, j;
+         for (i = 0; i < height; i++) {
+            GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
+            for (j = 0; j < width * 4; j++) {
+               float val = *color++ * value;
+               *acc++ += FLOAT_TO_SHORT(val);
+            }
+         }
+      }
+      break;
+   default:
+      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
    }
 
-   screen->tex_transfer_destroy(acc_trans);
-   acc_trans = st_no_flush_get_tex_transfer(st, acc_strb->texture, 0, 0, 0,
-					    PIPE_TRANSFER_WRITE, xpos, ypos,
-					    width, height);
-
-   acc_put_tile_rgba(pipe, acc_trans, 0, 0, width, height, accBuf);
-
-   _mesa_free(colorBuf);
-   _mesa_free(accBuf);
-   screen->tex_transfer_destroy(acc_trans);
+   _mesa_free(buf);
    screen->tex_transfer_destroy(color_trans);
 }
 
@@ -249,13 +176,10 @@ accum_load(struct st_context *st, GLfloat value,
 {
    struct pipe_context *pipe = st->pipe;
    struct pipe_screen *screen = pipe->screen;
-   struct pipe_transfer *acc_trans, *color_trans;
+   struct pipe_transfer *color_trans;
+   size_t stride = acc_strb->stride;
+   GLubyte *data = acc_strb->data;
    GLfloat *buf;
-   GLint i;
-
-   acc_trans = st_cond_flush_get_tex_transfer(st, acc_strb->texture, 0, 0, 0,
-					      PIPE_TRANSFER_WRITE, xpos, ypos,
-					      width, height);
 
    color_trans = st_cond_flush_get_tex_transfer(st, color_strb->texture,
 						0, 0, 0,
@@ -266,14 +190,25 @@ accum_load(struct st_context *st, GLfloat value,
 
    pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
 
-   for (i = 0; i < 4 * width * height; i++) {
-      buf[i] = buf[i] * value;
+   switch (acc_strb->format) {
+   case PIPE_FORMAT_R16G16B16A16_SNORM:
+      {
+         const GLfloat *color = buf;
+         int i, j;
+         for (i = 0; i < height; i++) {
+            GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
+            for (j = 0; j < width * 4; j++) {
+               float val = *color++ * value;
+               *acc++ = FLOAT_TO_SHORT(val);
+            }
+         }
+      }
+      break;
+   default:
+      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
    }
 
-   acc_put_tile_rgba(pipe, acc_trans, 0, 0, width, height, buf);
-
    _mesa_free(buf);
-   screen->tex_transfer_destroy(acc_trans);
    screen->tex_transfer_destroy(color_trans);
 }
 
@@ -287,48 +222,58 @@ accum_return(GLcontext *ctx, GLfloat value,
    struct pipe_context *pipe = ctx->st->pipe;
    struct pipe_screen *screen = pipe->screen;
    const GLubyte *colormask = ctx->Color.ColorMask;
-   struct pipe_transfer *acc_trans, *color_trans;
-   GLfloat *abuf, *cbuf = NULL;
-   GLint i, ch;
-
-   abuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
+   enum pipe_transfer_usage usage;
+   struct pipe_transfer *color_trans;
+   size_t stride = acc_strb->stride;
+   const GLubyte *data = acc_strb->data;
+   GLfloat *buf;
 
-   acc_trans = st_cond_flush_get_tex_transfer(st_context(ctx),
-					      acc_strb->texture, 0, 0, 0,
-					      PIPE_TRANSFER_READ, xpos, ypos,
-					      width, height);
+   buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
 
+   if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3])
+      usage = PIPE_TRANSFER_READ_WRITE;
+   else
+      usage = PIPE_TRANSFER_WRITE;
+   
    color_trans = st_cond_flush_get_tex_transfer(st_context(ctx),
 						color_strb->texture, 0, 0, 0,
-						PIPE_TRANSFER_READ_WRITE,
+						usage,
 						xpos, ypos,
 						width, height);
 
-   acc_get_tile_rgba(pipe, acc_trans, 0, 0, width, height, abuf);
-
-   if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3]) {
-      cbuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
-      pipe_get_tile_rgba(color_trans, 0, 0, width, height, cbuf);
-   }
+   if (usage != PIPE_TRANSFER_WRITE)
+      pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
 
-   for (i = 0; i < width * height; i++) {
-      for (ch = 0; ch < 4; ch++) {
-         if (colormask[ch]) {
-            GLfloat val = abuf[i * 4 + ch] * value;
-            abuf[i * 4 + ch] = CLAMP(val, 0.0f, 1.0f);
-         }
-         else {
-            abuf[i * 4 + ch] = cbuf[i * 4 + ch];
+   switch (acc_strb->format) {
+   case PIPE_FORMAT_R16G16B16A16_SNORM:
+      {
+         GLfloat *color = buf;
+         int i, j, ch;
+         for (i = 0; i < height; i++) {
+            const GLshort *acc = (const GLshort *) (data + (ypos + i) * stride + xpos * 8);
+            for (j = 0; j < width; j++) {
+               for (ch = 0; ch < 4; ch++) {
+                  if (colormask[ch]) {
+                     GLfloat val = SHORT_TO_FLOAT(*acc * value);
+                     *color = CLAMP(val, 0.0f, 1.0f);
+                  }
+                  else {
+                     /* No change */
+                  }
+                  ++acc;
+                  ++color;
+               }
+            }
          }
       }
+      break;
+   default:
+      _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
    }
 
-   pipe_put_tile_rgba(color_trans, 0, 0, width, height, abuf);
+   pipe_put_tile_rgba(color_trans, 0, 0, width, height, buf);
 
-   _mesa_free(abuf);
-   if (cbuf)
-      _mesa_free(cbuf);
-   screen->tex_transfer_destroy(acc_trans);
+   _mesa_free(buf);
    screen->tex_transfer_destroy(color_trans);
 }
 
@@ -347,6 +292,9 @@ st_Accum(GLcontext *ctx, GLenum op, GLfloat value)
    const GLint width = ctx->DrawBuffer->_Xmax - xpos;
    const GLint height = ctx->DrawBuffer->_Ymax - ypos;
 
+   if(!acc_strb->data)
+      return;
+   
    /* make sure color bufs aren't cached */
    st_flush( st, PIPE_FLUSH_RENDER_CACHE, NULL );
 
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c
index a94e11fff12..19a0e673623 100644
--- a/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -250,8 +250,8 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target,
 
    map = obj->Pointer = pipe_buffer_map_range(pipe->screen, st_obj->buffer, offset, length, flags);
    if(obj->Pointer) {
-      obj->Offset = 0;
-      obj->Length = obj->Size;
+      obj->Offset = offset;
+      obj->Length = length;
       map += offset;
    }
    
@@ -270,7 +270,6 @@ st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target,
    /* Subrange is relative to mapped range */
    assert(offset >= 0);
    assert(length >= 0);
-   assert(offset < obj->Length);
    assert(offset + length <= obj->Length);
    
    pipe_buffer_flush_mapped_range(pipe->screen, st_obj->buffer, 
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index 880e83108c1..668acbccb88 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -103,20 +103,6 @@ st_destroy_clear(struct st_context *st)
 }
 
 
-static GLboolean
-is_depth_stencil_format(enum pipe_format pipeFormat)
-{
-   switch (pipeFormat) {
-   case PIPE_FORMAT_S8Z24_UNORM:
-   case PIPE_FORMAT_Z24S8_UNORM:
-      return GL_TRUE;
-   default:
-      return GL_FALSE;
-   }
-}
-
-
-
 /**
  * Draw a screen-aligned quadrilateral.
  * Coords are window coords with y=0=bottom.  These will be passed
@@ -331,7 +317,7 @@ static INLINE GLboolean
 check_clear_depth_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
 {
    const struct st_renderbuffer *strb = st_renderbuffer(rb);
-   const GLboolean isDS = is_depth_stencil_format(strb->surface->format);
+   const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format);
 
    if (ctx->Scissor.Enabled)
       return TRUE;
@@ -351,7 +337,7 @@ static INLINE GLboolean
 check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
 {
    const struct st_renderbuffer *strb = st_renderbuffer(rb);
-   const GLboolean isDS = is_depth_stencil_format(strb->surface->format);
+   const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format);
    const GLuint stencilMax = (1 << rb->StencilBits) - 1;
    const GLboolean maskStencil
       = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 89725cfe8dc..2027b713ce0 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -630,6 +630,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    struct pipe_context *pipe = st->pipe;
    struct pipe_screen *screen = pipe->screen;
    struct st_renderbuffer *strb;
+   enum pipe_transfer_usage usage;
    struct pipe_transfer *pt;
    const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0;
    GLint skipPixels;
@@ -642,8 +643,14 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
       y = ctx->DrawBuffer->Height - y - height;
    }
 
+   if(format != GL_DEPTH_STENCIL && 
+      pf_get_component_bits( strb->format, PIPE_FORMAT_COMP_Z ) != 0)
+      usage = PIPE_TRANSFER_READ_WRITE;
+   else
+      usage = PIPE_TRANSFER_WRITE;
+   
    pt = st_cond_flush_get_tex_transfer(st_context(ctx), strb->texture, 0, 0, 0,
-				       PIPE_TRANSFER_WRITE, x, y,
+				       usage, x, y,
 				       width, height);
 
    stmap = screen->transfer_map(screen, pt);
@@ -694,6 +701,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
             case PIPE_FORMAT_S8_UNORM:
                {
                   ubyte *dest = stmap + spanY * pt->stride + spanX;
+                  assert(usage == PIPE_TRANSFER_WRITE);
                   memcpy(dest, sValues, spanWidth);
                }
                break;
@@ -701,6 +709,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                if (format == GL_DEPTH_STENCIL) {
                   uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
                   GLint k;
+                  assert(usage == PIPE_TRANSFER_WRITE);
                   for (k = 0; k < spanWidth; k++) {
                      dest[k] = zValues[k] | (sValues[k] << 24);
                   }
@@ -708,6 +717,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                else {
                   uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
                   GLint k;
+                  assert(usage == PIPE_TRANSFER_READ_WRITE);
                   for (k = 0; k < spanWidth; k++) {
                      dest[k] = (dest[k] & 0xffffff) | (sValues[k] << 24);
                   }
@@ -717,13 +727,15 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
                if (format == GL_DEPTH_STENCIL) {
                   uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
                   GLint k;
+                  assert(usage == PIPE_TRANSFER_WRITE);
                   for (k = 0; k < spanWidth; k++) {
-                     dest[k] = zValues[k] | (sValues[k] << 24);
+                     dest[k] = (zValues[k] << 8) | (sValues[k] & 0xff);
                   }
                }
                else {
                   uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
                   GLint k;
+                  assert(usage == PIPE_TRANSFER_READ_WRITE);
                   for (k = 0; k < spanWidth; k++) {
                      dest[k] = (dest[k] & 0xffffff00) | (sValues[k] & 0xff);
                   }
@@ -757,7 +769,6 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
    struct st_vertex_program *stvp;
    struct st_context *st = ctx->st;
    struct pipe_surface *ps;
-   GLuint bufferFormat;
    const GLfloat *color;
 
    if (format == GL_STENCIL_INDEX ||
@@ -785,8 +796,6 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
       color = NULL;
    }
 
-   bufferFormat = ps->format;
-
    /* draw with textured quad */
    {
       struct pipe_texture *pt
@@ -811,6 +820,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
 {
    struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer);
    struct pipe_screen *screen = ctx->st->pipe->screen;
+   enum pipe_transfer_usage usage;
    struct pipe_transfer *ptDraw;
    ubyte *drawMap;
    ubyte *buffer;
@@ -827,9 +837,14 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
                           GL_STENCIL_INDEX, GL_UNSIGNED_BYTE,
                           &ctx->DefaultPacking, buffer);
 
+   if(pf_get_component_bits( rbDraw->format, PIPE_FORMAT_COMP_Z ) != 0)
+      usage = PIPE_TRANSFER_READ_WRITE;
+   else
+      usage = PIPE_TRANSFER_WRITE;
+   
    ptDraw = st_cond_flush_get_tex_transfer(st_context(ctx),
 					   rbDraw->texture, 0, 0, 0,
-					   PIPE_TRANSFER_WRITE, dstx, dsty,
+					   usage, dstx, dsty,
 					   width, height);
 
    assert(ptDraw->block.width == 1);
@@ -859,6 +874,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          {
             uint *dst4 = (uint *) dst;
             int j;
+            assert(usage == PIPE_TRANSFER_READ_WRITE);
             for (j = 0; j < width; j++) {
                *dst4 = (*dst4 & 0xffffff) | (src[j] << 24);
                dst4++;
@@ -869,6 +885,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          {
             uint *dst4 = (uint *) dst;
             int j;
+            assert(usage == PIPE_TRANSFER_READ_WRITE);
             for (j = 0; j < width; j++) {
                *dst4 = (*dst4 & 0xffffff00) | (src[j] & 0xff);
                dst4++;
@@ -876,6 +893,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          }
          break;
       case PIPE_FORMAT_S8_UNORM:
+         assert(usage == PIPE_TRANSFER_WRITE);
          memcpy(dst, src, width);
          break;
       default:
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index e003b6db5cf..21ddf2fc7a2 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -88,91 +88,90 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
 {
    struct pipe_context *pipe = ctx->st->pipe;
    struct st_renderbuffer *strb = st_renderbuffer(rb);
-   struct pipe_texture template;
-   unsigned surface_usage;
-
-   /* Free the old surface and texture
-    */
-   pipe_surface_reference( &strb->surface, NULL );
-   pipe_texture_reference( &strb->texture, NULL );
-
-   /* Setup new texture template.
-    */
-   memset(&template, 0, sizeof(template));
-   template.target = PIPE_TEXTURE_2D;
-   if (strb->format != PIPE_FORMAT_NONE) {
-      template.format = strb->format;
-   }
-   else {
-      template.format = st_choose_renderbuffer_format(pipe, internalFormat);
-   }
-   pf_get_block(template.format, &template.block);
-   template.width[0] = width;
-   template.height[0] = height;
-   template.depth[0] = 1;
-   template.last_level = 0;
-   template.nr_samples = rb->NumSamples;
-   if (pf_is_depth_stencil(template.format)) {
-      template.tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
-   }
-   else {
-      template.tex_usage = (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
-                            PIPE_TEXTURE_USAGE_RENDER_TARGET);
-   }
+   enum pipe_format format;
 
+   if (strb->format != PIPE_FORMAT_NONE)
+      format = strb->format;
+   else
+      format = st_choose_renderbuffer_format(pipe, internalFormat);
+      
    /* init renderbuffer fields */
    strb->Base.Width  = width;
    strb->Base.Height = height;
-   init_renderbuffer_bits(strb, template.format);
-
-   /* Probably need dedicated flags for surface usage too: 
-    */
-   surface_usage = (PIPE_BUFFER_USAGE_GPU_READ |
-                    PIPE_BUFFER_USAGE_GPU_WRITE);
-#if 0
-                    PIPE_BUFFER_USAGE_CPU_READ |
-                    PIPE_BUFFER_USAGE_CPU_WRITE);
-#endif
-
-   strb->texture = pipe->screen->texture_create( pipe->screen,
-                                                 &template );
+   init_renderbuffer_bits(strb, format);
+
+   if(strb->software) {
+      struct pipe_format_block block;
+      size_t size;
+      
+      _mesa_free(strb->data);
+
+      assert(strb->format != PIPE_FORMAT_NONE);
+      pf_get_block(strb->format, &block);
+      
+      strb->stride = pf_get_stride(&block, width);
+      size = pf_get_2d_size(&block, strb->stride, height);
+      
+      strb->data = _mesa_malloc(size);
+      
+      return strb->data != NULL;
+   }
+   else {
+      struct pipe_texture template;
+      unsigned surface_usage;
+    
+      /* Free the old surface and texture
+       */
+      pipe_surface_reference( &strb->surface, NULL );
+      pipe_texture_reference( &strb->texture, NULL );
 
-   /* Special path for accum buffers.  
-    *
-    * Try a different surface format.  Since accum buffers are s/w
-    * only for now, the surface pixel format doesn't really matter,
-    * only that the buffer is large enough.
-    */
-   if (!strb->texture && template.format == DEFAULT_ACCUM_PIPE_FORMAT) 
-   {
-      /* Actually, just setting this usage value should be sufficient
-       * to tell the driver to go ahead and allocate the buffer, even
-       * if HW doesn't support the format.
+      /* Setup new texture template.
+       */
+      memset(&template, 0, sizeof(template));
+      template.target = PIPE_TEXTURE_2D;
+      template.format = format;
+      pf_get_block(format, &template.block);
+      template.width[0] = width;
+      template.height[0] = height;
+      template.depth[0] = 1;
+      template.last_level = 0;
+      template.nr_samples = rb->NumSamples;
+      if (pf_is_depth_stencil(format)) {
+         template.tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
+      }
+      else {
+         template.tex_usage = (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                               PIPE_TEXTURE_USAGE_RENDER_TARGET);
+      }
+
+      /* Probably need dedicated flags for surface usage too: 
        */
-      template.tex_usage = 0;
-      surface_usage = (PIPE_BUFFER_USAGE_CPU_READ |
+      surface_usage = (PIPE_BUFFER_USAGE_GPU_READ |
+                       PIPE_BUFFER_USAGE_GPU_WRITE);
+#if 0
+                       PIPE_BUFFER_USAGE_CPU_READ |
                        PIPE_BUFFER_USAGE_CPU_WRITE);
+#endif
 
       strb->texture = pipe->screen->texture_create( pipe->screen,
                                                     &template );
 
-   }
-
-   if (!strb->texture) 
-      return FALSE;
+      if (!strb->texture) 
+         return FALSE;
 
-   strb->surface = pipe->screen->get_tex_surface( pipe->screen,
-                                                  strb->texture,
-                                                  0, 0, 0,
-                                                  surface_usage );
+      strb->surface = pipe->screen->get_tex_surface( pipe->screen,
+                                                     strb->texture,
+                                                     0, 0, 0,
+                                                     surface_usage );
 
-   assert(strb->surface->texture);
-   assert(strb->surface->format);
-   assert(strb->surface->width == width);
-   assert(strb->surface->height == height);
+      assert(strb->surface->texture);
+      assert(strb->surface->format);
+      assert(strb->surface->width == width);
+      assert(strb->surface->height == height);
 
 
-   return strb->surface != NULL;
+      return strb->surface != NULL;
+   }
 }
 
 
@@ -186,6 +185,7 @@ st_renderbuffer_delete(struct gl_renderbuffer *rb)
    ASSERT(strb);
    pipe_surface_reference(&strb->surface, NULL);
    pipe_texture_reference(&strb->texture, NULL);
+   _mesa_free(strb->data);
    _mesa_free(strb);
 }
 
@@ -242,7 +242,7 @@ st_new_renderbuffer(GLcontext *ctx, GLuint name)
  * renderbuffer).  The window system code determines the format.
  */
 struct gl_renderbuffer *
-st_new_renderbuffer_fb(enum pipe_format format, int samples)
+st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw)
 {
    struct st_renderbuffer *strb;
 
@@ -256,7 +256,8 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples)
    strb->Base.ClassID = 0x4242; /* just a unique value */
    strb->Base.NumSamples = samples;
    strb->format = format;
-
+   strb->software = sw;
+   
    switch (format) {
    case PIPE_FORMAT_A8R8G8B8_UNORM:
    case PIPE_FORMAT_B8G8R8A8_UNORM:
@@ -287,7 +288,7 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples)
       strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT;
       strb->Base._BaseFormat = GL_STENCIL_INDEX;
       break;
-   case DEFAULT_ACCUM_PIPE_FORMAT: /*PIPE_FORMAT_R16G16B16A16_SNORM*/
+   case PIPE_FORMAT_R16G16B16A16_SNORM:
       strb->Base.InternalFormat = GL_RGBA16;
       strb->Base._BaseFormat = GL_RGBA;
       break;
diff --git a/src/mesa/state_tracker/st_cb_fbo.h b/src/mesa/state_tracker/st_cb_fbo.h
index 44fa9fe9a4f..9a199550d9f 100644
--- a/src/mesa/state_tracker/st_cb_fbo.h
+++ b/src/mesa/state_tracker/st_cb_fbo.h
@@ -30,10 +30,6 @@
 #define ST_CB_FBO_H
 
 
-#define DEFAULT_ACCUM_PIPE_FORMAT PIPE_FORMAT_R16G16B16A16_SNORM
-
-
-
 /**
  * Derived renderbuffer class.  Just need to add a pointer to the
  * pipe surface.
@@ -45,6 +41,13 @@ struct st_renderbuffer
    struct pipe_surface *surface; /* temporary view into texture */
    enum pipe_format format;  /** preferred format, or PIPE_FORMAT_NONE */
 
+   /**
+    * Used only when hardware accumulation buffers are not supported.
+    */
+   boolean software;
+   size_t stride;
+   void *data;
+   
    struct st_texture_object *rtt;  /**< GL render to texture's texture */
    int rtt_level, rtt_face, rtt_slice;
 
@@ -62,7 +65,7 @@ st_renderbuffer(struct gl_renderbuffer *rb)
 
 
 extern struct gl_renderbuffer *
-st_new_renderbuffer_fb(enum pipe_format format, int samples);
+st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
 
 extern void
 st_init_fbo_functions(struct dd_function_table *functions);
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 7a4bbf5ce3a..ccf1a0b5634 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -112,7 +112,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
       case PIPE_FORMAT_S8Z24_UNORM:
          if (format == GL_DEPTH_STENCIL) {
             const uint *src = (uint *) (stmap + srcY * pt->stride);
-            const GLfloat scale = 1.0 / (0xffffff);
+            const GLfloat scale = 1.0f / (0xffffff);
             GLint k;
             for (k = 0; k < width; k++) {
                sValues[k] = src[k] >> 24;
@@ -130,7 +130,7 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
       case PIPE_FORMAT_Z24S8_UNORM:
          if (format == GL_DEPTH_STENCIL) {
             const uint *src = (uint *) (stmap + srcY * pt->stride);
-            const GLfloat scale = 1.0 / (0xffffff);
+            const GLfloat scale = 1.0f / (0xffffff);
             GLint k;
             for (k = 0; k < width; k++) {
                sValues[k] = src[k] & 0xff;
@@ -445,11 +445,16 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             }
          }
          else {
-            /* untested, but simple: */
+            /* XXX: unreachable code -- should be before st_read_stencil_pixels */
             assert(format == GL_DEPTH_STENCIL_EXT);
             for (i = 0; i < height; i++) {
+               GLuint *zshort = (GLuint *)dst;
                pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
                y += yStep;
+               /* Reverse into 24/8 */
+               for (j = 0; j < width; j++) {
+                  zshort[j] = (zshort[j] << 8) | (zshort[j] >> 24);
+               }
                dst += dstStride;
             }
          }
@@ -472,7 +477,7 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
             }
          }
          else {
-            /* untested, but simple: */
+            /* XXX: unreachable code -- should be before st_read_stencil_pixels */
             assert(format == GL_DEPTH_STENCIL_EXT);
             for (i = 0; i < height; i++) {
                pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 92ddffc0148..8514b6b3756 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -274,20 +274,11 @@ st_make_current(struct st_context *st,
    _glapi_check_multithread();
 
    if (st) {
-      GLboolean firstTime = st->ctx->FirstTimeCurrent;
-      if(!_mesa_make_current(st->ctx, &draw->Base, &read->Base))
+      if (!_mesa_make_current(st->ctx, &draw->Base, &read->Base))
          return GL_FALSE;
-      /* Need to initialize viewport here since draw->Base->Width/Height
-       * will still be zero at this point.
-       * This could be improved, but would require rather extensive work
-       * elsewhere (allocate rb surface storage sooner)
-       */
-      if (firstTime) {
-         GLuint w = draw->InitWidth, h = draw->InitHeight;
-         _mesa_set_viewport(st->ctx, 0, 0, w, h);
-         _mesa_set_scissor(st->ctx, 0, 0, w, h);
 
-      }
+      _mesa_check_init_viewport(st->ctx, draw->InitWidth, draw->InitHeight);
+
       return GL_TRUE;
    }
    else {
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 8f6be507742..e6728ae8955 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -120,6 +120,11 @@ void st_init_limits(struct st_context *st)
    c->MaxDrawBuffers
       = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
               1, MAX_DRAW_BUFFERS);
+
+   /* Is TGSI_OPCODE_CONT supported? */
+   /* XXX separate query for early function return? */
+   st->ctx->Shader.EmitContReturn =
+      screen->get_param(screen, PIPE_CAP_TGSI_CONT_SUPPORTED);
 }
 
 
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index d507e3e58dd..b243c249e37 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -392,7 +392,7 @@ default_depth_format(struct pipe_screen *screen,
  *                   or PIPE_TEXTURE_USAGE_SAMPLER
  */
 enum pipe_format
-st_choose_format(struct pipe_context *pipe, GLint internalFormat,
+st_choose_format(struct pipe_context *pipe, GLenum internalFormat,
                  enum pipe_texture_target target, unsigned tex_usage)
 {
    struct pipe_screen *screen = pipe->screen;
@@ -594,9 +594,13 @@ st_choose_format(struct pipe_context *pipe, GLint internalFormat,
 
 
 static GLboolean
-is_stencil_format(GLenum format)
+is_depth_or_stencil_format(GLenum internalFormat)
 {
-   switch (format) {
+   switch (internalFormat) {
+   case GL_DEPTH_COMPONENT:
+   case GL_DEPTH_COMPONENT16:
+   case GL_DEPTH_COMPONENT24:
+   case GL_DEPTH_COMPONENT32:
    case GL_STENCIL_INDEX:
    case GL_STENCIL_INDEX1_EXT:
    case GL_STENCIL_INDEX4_EXT:
@@ -614,10 +618,10 @@ is_stencil_format(GLenum format)
  * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
  */
 enum pipe_format
-st_choose_renderbuffer_format(struct pipe_context *pipe, GLint internalFormat)
+st_choose_renderbuffer_format(struct pipe_context *pipe, GLenum internalFormat)
 {
    uint usage;
-   if (is_stencil_format(internalFormat))
+   if (is_depth_or_stencil_format(internalFormat))
       usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
    else
       usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
diff --git a/src/mesa/state_tracker/st_format.h b/src/mesa/state_tracker/st_format.h
index 7bbbe2d5704..9d9e02fe9b6 100644
--- a/src/mesa/state_tracker/st_format.h
+++ b/src/mesa/state_tracker/st_format.h
@@ -64,11 +64,11 @@ st_mesa_format_to_pipe_format(GLuint mesaFormat);
 
 
 extern enum pipe_format
-st_choose_format(struct pipe_context *pipe, GLint internalFormat,
+st_choose_format(struct pipe_context *pipe, GLenum internalFormat,
                  enum pipe_texture_target target, unsigned tex_usage);
 
 extern enum pipe_format
-st_choose_renderbuffer_format(struct pipe_context *pipe, GLint internalFormat);
+st_choose_renderbuffer_format(struct pipe_context *pipe, GLenum internalFormat);
 
 
 extern const struct gl_texture_format *
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index daaad65ccaf..33a90ea7db6 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -63,20 +63,20 @@ st_create_framebuffer( const __GLcontextModes *visual,
          /* XXX allocation should only happen in the unusual case
             it's actually needed */
          struct gl_renderbuffer *rb
-            = st_new_renderbuffer_fb(colorFormat, samples);
+            = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
          _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
       }
 
       if (visual->doubleBufferMode) {
          struct gl_renderbuffer *rb
-            = st_new_renderbuffer_fb(colorFormat, samples);
+            = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
          _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
       }
 
       if (depthFormat == stencilFormat && depthFormat != PIPE_FORMAT_NONE) {
          /* combined depth/stencil buffer */
          struct gl_renderbuffer *depthStencilRb
-            = st_new_renderbuffer_fb(depthFormat, samples);
+            = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
          /* note: bind RB to two attachment points */
          _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb);
          _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, depthStencilRb);
@@ -87,34 +87,35 @@ st_create_framebuffer( const __GLcontextModes *visual,
          if (visual->depthBits == 32) {
             /* 32-bit depth buffer */
             struct gl_renderbuffer *depthRb
-               = st_new_renderbuffer_fb(depthFormat, samples);
+               = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
             _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
          }
          else if (visual->depthBits == 24) {
             /* 24-bit depth buffer, ignore stencil bits */
             struct gl_renderbuffer *depthRb
-               = st_new_renderbuffer_fb(depthFormat, samples);
+               = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
             _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
          }
          else if (visual->depthBits > 0) {
             /* 16-bit depth buffer */
             struct gl_renderbuffer *depthRb
-               = st_new_renderbuffer_fb(depthFormat, samples);
+               = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
             _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
          }
 
          if (visual->stencilBits > 0) {
             /* 8-bit stencil */
             struct gl_renderbuffer *stencilRb
-               = st_new_renderbuffer_fb(stencilFormat, samples);
+               = st_new_renderbuffer_fb(stencilFormat, samples, FALSE);
             _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, stencilRb);
          }
       }
 
       if (visual->accumRedBits > 0) {
          /* 16-bit/channel accum */
+         /* TODO: query the pipe screen for accumulation buffer format support */
          struct gl_renderbuffer *accumRb
-            = st_new_renderbuffer_fb(DEFAULT_ACCUM_PIPE_FORMAT, 0); /* XXX accum isn't multisampled right? */
+            = st_new_renderbuffer_fb(PIPE_FORMAT_R16G16B16A16_SNORM, 0, TRUE);
          _mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb);
       }
 
@@ -133,16 +134,7 @@ void st_resize_framebuffer( struct st_framebuffer *stfb,
    if (stfb->Base.Width != width || stfb->Base.Height != height) {
       GET_CURRENT_CONTEXT(ctx);
       if (ctx) {
-         if (stfb->InitWidth == 0 && stfb->InitHeight == 0) {
-            /* didn't have a valid size until now */
-            stfb->InitWidth = width;
-            stfb->InitHeight = height;
-            if (ctx->Viewport.Width <= 1) {
-               /* set context's initial viewport/scissor size */
-               _mesa_set_viewport(ctx, 0, 0, width, height);
-               _mesa_set_scissor(ctx, 0, 0, width, height);
-            }
-         }
+         _mesa_check_init_viewport(ctx, width, height);
 
          _mesa_resize_framebuffer(ctx, &stfb->Base, width, height);
 
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index dc6d77825f5..58f69336523 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -198,9 +198,6 @@ st_generate_mipmap(GLcontext *ctx, GLenum target,
          return;
       }
 
-      if (dstImage->ImageOffsets)
-         _mesa_free(dstImage->ImageOffsets);
-
       /* Free old image data */
       if (dstImage->Data)
          ctx->Driver.FreeTexImageData(ctx, dstImage);
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 34926101ed0..72ca8524582 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -55,20 +55,6 @@
 #define TGSI_DEBUG 0
 
 
-/** XXX we should use the version of this from u_memory.h but including
- * that header causes symbol collisions.
- */
-static INLINE void *
-mem_dup(const void *src, uint size)
-{
-   void *dup = _mesa_malloc(size);
-   if (dup)
-      _mesa_memcpy(dup, src, size);
-   return dup;
-}
-
-
-
 /**
  * Translate a Mesa vertex shader into a TGSI shader.
  * \param outputMapping  to map vertex program output registers (VERT_RESULT_x)
@@ -84,7 +70,7 @@ st_translate_vertex_program(struct st_context *st,
                             const ubyte *outputSemanticIndex)
 {
    struct pipe_context *pipe = st->pipe;
-   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
+   struct tgsi_token *tokens;
    GLuint defaultOutputMapping[VERT_RESULT_MAX];
    struct pipe_shader_state vs;
    GLuint attr, i;
@@ -102,6 +88,13 @@ st_translate_vertex_program(struct st_context *st,
    GLbitfield input_flags[MAX_PROGRAM_INPUTS];
    GLbitfield output_flags[MAX_PROGRAM_OUTPUTS];
 
+   tokens =  (struct tgsi_token *)MALLOC(ST_MAX_SHADER_TOKENS * sizeof *tokens);
+   if(!tokens) {
+      /* FIXME: propagate error to the caller */
+      assert(0);
+      return;
+   }
+
    memset(&vs, 0, sizeof(vs));
    memset(input_flags, 0, sizeof(input_flags));
    memset(output_flags, 0, sizeof(output_flags));
@@ -297,9 +290,6 @@ st_translate_vertex_program(struct st_context *st,
       }
    }
 
-   assert(vs_output_semantic_name[0] == TGSI_SEMANTIC_POSITION);
-
-
    if (outputMapping) {
       /* find max output slot referenced to compute vs_num_outputs */
       GLuint maxSlot = 0;
@@ -347,7 +337,9 @@ st_translate_vertex_program(struct st_context *st,
    assert(num_tokens < ST_MAX_SHADER_TOKENS);
 
    vs.tokens = (struct tgsi_token *)
-      mem_dup(tokens, num_tokens * sizeof(tokens[0]));
+      _mesa_realloc(tokens,
+                    ST_MAX_SHADER_TOKENS * sizeof *tokens,
+                    num_tokens * sizeof *tokens);
 
    stvp->num_inputs = vs_num_inputs;
    stvp->state = vs; /* struct copy */
@@ -375,7 +367,7 @@ st_translate_fragment_program(struct st_context *st,
                               const GLuint inputMapping[])
 {
    struct pipe_context *pipe = st->pipe;
-   struct tgsi_token tokens[ST_MAX_SHADER_TOKENS];
+   struct tgsi_token *tokens;
    GLuint outputMapping[FRAG_RESULT_MAX];
    GLuint defaultInputMapping[FRAG_ATTRIB_MAX];
    struct pipe_shader_state fs;
@@ -395,6 +387,13 @@ st_translate_fragment_program(struct st_context *st,
    GLbitfield input_flags[MAX_PROGRAM_INPUTS];
    GLbitfield output_flags[MAX_PROGRAM_OUTPUTS];
 
+   tokens =  (struct tgsi_token *)MALLOC(ST_MAX_SHADER_TOKENS * sizeof *tokens);
+   if(!tokens) {
+      /* FIXME: propagate error to the caller */
+      assert(0);
+      return;
+   }
+
    memset(&fs, 0, sizeof(fs));
    memset(input_flags, 0, sizeof(input_flags));
    memset(output_flags, 0, sizeof(output_flags));
@@ -536,7 +535,9 @@ st_translate_fragment_program(struct st_context *st,
    assert(num_tokens < ST_MAX_SHADER_TOKENS);
 
    fs.tokens = (struct tgsi_token *)
-      mem_dup(tokens, num_tokens * sizeof(tokens[0]));
+      _mesa_realloc(tokens,
+                    ST_MAX_SHADER_TOKENS * sizeof *tokens,
+                    num_tokens * sizeof *tokens);
 
    stfp->state = fs; /* struct copy */
    stfp->driver_shader = pipe->create_fs_state(pipe, &fs);
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index f24f4fc59b2..e7c2ace32c7 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -289,6 +289,7 @@ _swrast_update_specular_vertex_add(GLcontext *ctx)
 
 
 #define _SWRAST_NEW_DERIVED (_SWRAST_NEW_RASTERMASK |	\
+                             _NEW_PROGRAM_CONSTANTS |   \
 			     _NEW_TEXTURE |		\
 			     _NEW_HINT |		\
 			     _NEW_POLYGON )
diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index 31bfb5c9520..dd59314cd96 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -138,7 +138,7 @@ lerp_rgba_3d(GLfloat result[4], GLfloat a, GLfloat b, GLfloat c,
  * If A is a signed integer, A % B doesn't give the right value for A < 0
  * (in terms of texture repeat).  Just casting to unsigned fixes that.
  */
-#define REMAINDER(A, B) ((unsigned) (A) % (unsigned) (B))
+#define REMAINDER(A, B) (((A) + (B) * 1024) % (B))
 
 
 /**
diff --git a/src/mesa/vbo/vbo_attrib_tmp.h b/src/mesa/vbo/vbo_attrib_tmp.h
index ff11c7d59a7..7a889b8e2f8 100644
--- a/src/mesa/vbo/vbo_attrib_tmp.h
+++ b/src/mesa/vbo/vbo_attrib_tmp.h
@@ -265,7 +265,7 @@ static void GLAPIENTRY TAG(VertexAttrib1fARB)( GLuint index, GLfloat x )
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR1F(0, x);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR1F(VBO_ATTRIB_GENERIC0 + index, x);
    else
       ERROR();
@@ -277,7 +277,7 @@ static void GLAPIENTRY TAG(VertexAttrib1fvARB)( GLuint index,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR1FV(0, v);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR1FV(VBO_ATTRIB_GENERIC0 + index, v);
    else
       ERROR();
@@ -289,7 +289,7 @@ static void GLAPIENTRY TAG(VertexAttrib2fARB)( GLuint index, GLfloat x,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR2F(0, x, y);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR2F(VBO_ATTRIB_GENERIC0 + index, x, y);
    else
       ERROR();
@@ -301,7 +301,7 @@ static void GLAPIENTRY TAG(VertexAttrib2fvARB)( GLuint index,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR2FV(0, v);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR2FV(VBO_ATTRIB_GENERIC0 + index, v);
    else
       ERROR();
@@ -313,7 +313,7 @@ static void GLAPIENTRY TAG(VertexAttrib3fARB)( GLuint index, GLfloat x,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR3F(0, x, y, z);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR3F(VBO_ATTRIB_GENERIC0 + index, x, y, z);
    else
       ERROR();
@@ -325,7 +325,7 @@ static void GLAPIENTRY TAG(VertexAttrib3fvARB)( GLuint index,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR3FV(0, v);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR3FV(VBO_ATTRIB_GENERIC0 + index, v);
    else
       ERROR();
@@ -338,7 +338,7 @@ static void GLAPIENTRY TAG(VertexAttrib4fARB)( GLuint index, GLfloat x,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR4F(0, x, y, z, w);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR4F(VBO_ATTRIB_GENERIC0 + index, x, y, z, w);
    else
       ERROR();
@@ -350,7 +350,7 @@ static void GLAPIENTRY TAG(VertexAttrib4fvARB)( GLuint index,
    GET_CURRENT_CONTEXT( ctx );
    if (index == 0) 
       ATTR4FV(0, v);
-   else if (index < MAX_VERTEX_ATTRIBS)
+   else if (index < MAX_VERTEX_GENERIC_ATTRIBS)
       ATTR4FV(VBO_ATTRIB_GENERIC0 + index, v);
    else
       ERROR();
diff --git a/src/mesa/vbo/vbo_context.h b/src/mesa/vbo/vbo_context.h
index bf405eb6933..5c85161caa5 100644
--- a/src/mesa/vbo/vbo_context.h
+++ b/src/mesa/vbo/vbo_context.h
@@ -102,6 +102,8 @@ static INLINE GLuint get_program_mode( GLcontext *ctx )
 {
    if (!ctx->VertexProgram._Current)
       return VP_NONE;
+   else if (ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram)
+      return VP_NONE;
    else if (ctx->VertexProgram._Current->IsNVProgram)
       return VP_NV;
    else
diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c
index 5d35ec9c111..34e849aaab7 100644
--- a/src/mesa/vbo/vbo_exec_api.c
+++ b/src/mesa/vbo/vbo_exec_api.c
@@ -51,6 +51,10 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #endif
 
 
+/** ID/name for immediate-mode VBO */
+#define IMM_BUFFER_NAME 0xaabbccdd
+
+
 static void reset_attrfv( struct vbo_exec_context *exec );
 
 
@@ -665,7 +669,7 @@ void vbo_use_buffer_objects(GLcontext *ctx)
    /* Any buffer name but 0 can be used here since this bufferobj won't
     * go into the bufferobj hashtable.
     */
-   GLuint bufName = 0xaabbccdd;
+   GLuint bufName = IMM_BUFFER_NAME;
    GLenum target = GL_ARRAY_BUFFER_ARB;
    GLenum usage = GL_STREAM_DRAW_ARB;
    GLsizei size = VBO_VERT_BUFFER_SIZE;
@@ -727,19 +731,33 @@ void vbo_exec_vtx_init( struct vbo_exec_context *exec )
 
 void vbo_exec_vtx_destroy( struct vbo_exec_context *exec )
 {
-   if (exec->vtx.bufferobj->Name) {
-      /* using a real VBO for vertex data */
-      GLcontext *ctx = exec->ctx;
-      _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
-   }
-   else {
-      /* just using malloc'd space for vertex data */
-      if (exec->vtx.buffer_map) {
+   /* using a real VBO for vertex data */
+   GLcontext *ctx = exec->ctx;
+   unsigned i;
+
+   /* True VBOs should already be unmapped
+    */
+   if (exec->vtx.buffer_map) {
+      ASSERT(exec->vtx.bufferobj->Name == 0 ||
+             exec->vtx.bufferobj->Name == IMM_BUFFER_NAME);
+      if (exec->vtx.bufferobj->Name == 0) {
          ALIGN_FREE(exec->vtx.buffer_map);
          exec->vtx.buffer_map = NULL;
          exec->vtx.buffer_ptr = NULL;
       }
    }
+
+   /* Drop any outstanding reference to the vertex buffer
+    */
+   for (i = 0; i < Elements(exec->vtx.arrays); i++) {
+      _mesa_reference_buffer_object(ctx,
+                                    &exec->vtx.arrays[i].BufferObj,
+                                    NULL);
+   }
+
+   /* Free the vertex buffer:
+    */
+   _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
 }
 
 void vbo_exec_BeginVertices( GLcontext *ctx )
diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c
index 65fe197a4d7..de66cdd92fd 100644
--- a/src/mesa/vbo/vbo_exec_array.c
+++ b/src/mesa/vbo/vbo_exec_array.c
@@ -118,7 +118,7 @@ static void bind_array_obj( GLcontext *ctx )
    for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
       exec->array.legacy_array[VERT_ATTRIB_TEX0 + i] = &arrayObj->TexCoord[i];
 
-   for (i = 0; i < MAX_VERTEX_ATTRIBS; i++) {
+   for (i = 0; i < MAX_VERTEX_GENERIC_ATTRIBS; i++) {
       assert(i < Elements(arrayObj->VertexAttrib));
       assert(i < Elements(exec->array.generic_array));
       exec->array.generic_array[i] = &arrayObj->VertexAttrib[i];
@@ -219,7 +219,7 @@ static void recalculate_input_bindings( GLcontext *ctx )
          }
       }
 
-      for (i = 0; i < MAX_VERTEX_ATTRIBS; i++) {
+      for (i = 0; i < MAX_VERTEX_GENERIC_ATTRIBS; i++) {
 	 if (exec->array.generic_array[i]->Enabled)
 	    inputs[VERT_ATTRIB_GENERIC0 + i] = exec->array.generic_array[i];
 	 else {
author	Julien Cristau <[email protected]>	2009-06-28 17:41:50 +0200
committer	Julien Cristau <[email protected]>	2009-06-28 17:41:50 +0200
commit	adafe6d60781aff60e41afe8a3ab5be29848565e (patch)
tree	ece5cf08b59db3f0373128d866a7899a7673cb7e
parent	c38bc21cf522647db69f1e5cdbd4b152c728183c (diff)
parent	418987ff05f892d3c33ed4ddbe856c496b05ea14 (diff)