Merge commit 'origin/master' into radeon-rewrite

Conflicts:
	src/mesa/drivers/dri/r200/r200_state.c
	src/mesa/drivers/dri/r300/r300_context.h
	src/mesa/drivers/dri/r300/r300_fragprog.c
	src/mesa/drivers/dri/r300/r300_state.c
	src/mesa/drivers/dri/r300/r300_texmem.c
	src/mesa/drivers/dri/r300/r300_texstate.c
	src/mesa/drivers/dri/r300/r500_fragprog.c
	src/mesa/drivers/dri/radeon/radeon_screen.c
	src/mesa/drivers/dri/radeon/radeon_state.c

21 files changed, 1105 insertions, 85 deletions

diff --git a/progs/demos/dinoshade.c b/progs/demos/dinoshade.c
index 451da2ec895..cbf8751e257 100644
--- a/progs/demos/dinoshade.c
+++ b/progs/demos/dinoshade.c
@@ -382,7 +382,7 @@ static GLfloat floorShadow[4][4];
 static void
 redraw(void)
 {
-  int start, end;
+  int start = 0, end = 0;
 
   if (reportSpeed) {
     start = glutGet(GLUT_ELAPSED_TIME);
@@ -624,6 +624,7 @@ redraw(void)
     glFinish();
     end = glutGet(GLUT_ELAPSED_TIME);
     printf("Speed %.3g frames/sec (%d ms)\n", 1000.0/(end-start), end-start);
+    fflush(stdout);
   }
 
   glutSwapBuffers();
@@ -878,6 +879,7 @@ main(int argc, char **argv)
       polygonOffsetVersion = MISSING;
       printf("\ndinoshine: Missing polygon offset.\n");
       printf("           Expect shadow depth aliasing artifacts.\n\n");
+      fflush(stdout);
     }
   }
 
diff --git a/progs/demos/ipers.c b/progs/demos/ipers.c
index 6e153c04e15..5d82b0dc924 100644
--- a/progs/demos/ipers.c
+++ b/progs/demos/ipers.c
@@ -237,10 +237,27 @@ special(int k, int x, int y)
 }
 
 static void
+cleanup(void)
+{
+   int i;
+
+   glDeleteTextures(1, &t1id);
+   glDeleteTextures(1, &t2id);
+
+   glDeleteLists(skydlist, 1);
+   for (i = 0; i < MAX_LOD; i++) {
+      glDeleteLists(LODdlist[i], 1);
+      glDeleteLists(LODnumpoly[i], 1);
+   }
+}
+
+
+static void
 key(unsigned char k, int x, int y)
 {
    switch (k) {
    case 27:
+      cleanup();
       exit(0);
       break;
 
@@ -707,6 +724,7 @@ main(int ac, char **av)
    glutIdleFunc(draw);
 
    glutMainLoop();
+   cleanup();
 
    return 0;
 }
diff --git a/progs/demos/readpix.c b/progs/demos/readpix.c
index c0aac2272f7..bbb3a68effa 100644
--- a/progs/demos/readpix.c
+++ b/progs/demos/readpix.c
@@ -17,6 +17,7 @@
 #define IMAGE_FILE "../images/girl.rgb"
 
 static int ImgWidth, ImgHeight;
+static int WinWidth, WinHeight;
 static GLenum ImgFormat;
 static GLubyte *Image = NULL;
 
@@ -27,6 +28,7 @@ static int CPosX, CPosY;  /* copypixels */
 static GLboolean DrawFront = GL_FALSE;
 static GLboolean ScaleAndBias = GL_FALSE;
 static GLboolean Benchmark = GL_FALSE;
+static GLboolean Triangle = GL_FALSE;
 static GLubyte *TempImage = NULL;
 
 #define COMBO 1
@@ -150,11 +152,60 @@ Display( void )
    /* draw original image */
    glRasterPos2i(APosX, 5);
    PrintString("Original");
-   glRasterPos2i(APosX, APosY);
-   glEnable(GL_DITHER);
-   SetupPixelTransfer(GL_FALSE);
-   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-   glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+   if (!Triangle) {
+      glRasterPos2i(APosX, APosY);
+      glEnable(GL_DITHER);
+      SetupPixelTransfer(GL_FALSE);
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+   }
+   else {
+      float z = 0;
+
+      glViewport(APosX, APosY, ImgWidth, ImgHeight);
+      glMatrixMode( GL_PROJECTION );
+      glLoadIdentity();
+      glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+      glDisable(GL_CULL_FACE);
+
+      /* Red should never be seen
+       */
+      glBegin(GL_POLYGON);
+      glColor3f(1,0,0); 
+      glVertex3f(-2, -2, z);
+      glVertex3f(-2, 2, z);
+      glVertex3f(2, 2, z);
+      glVertex3f(2, -2, z);
+      glEnd();
+
+      /* Blue background
+       */
+      glBegin(GL_POLYGON);
+      glColor3f(.5,.5,1); 
+      glVertex3f(-1, -1, z);
+      glVertex3f(-1, 1, z);
+      glVertex3f(1, 1, z);
+      glVertex3f(1, -1, z);
+      glEnd();
+
+      /* Triangle
+       */
+      glBegin(GL_TRIANGLES);
+      glColor3f(.8,0,0); 
+      glVertex3f(-0.9, -0.9, z);
+      glColor3f(0,.9,0); 
+      glVertex3f( 0.9, -0.9, z);
+      glColor3f(0,0,.7); 
+      glVertex3f( 0.0,  0.9, z);
+      glEnd();
+      
+      glColor3f(1,1,1);
+
+      glViewport( 0, 0, WinWidth, WinHeight );
+      glMatrixMode( GL_PROJECTION );
+      glLoadIdentity();
+      glOrtho( 0.0, WinWidth, 0.0, WinHeight, -1.0, 1.0 );
+   }
 
    /* might try alignment=4 here for testing */
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
@@ -218,6 +269,9 @@ Display( void )
 static void
 Reshape( int width, int height )
 {
+   WinWidth = width;
+   WinHeight = height;
+
    glViewport( 0, 0, width, height );
    glMatrixMode( GL_PROJECTION );
    glLoadIdentity();
@@ -236,6 +290,9 @@ Key( unsigned char key, int x, int y )
       case 'b':
          Benchmark = GL_TRUE;
          break;
+      case 't':
+         Triangle = !Triangle;
+         break;
       case 's':
          ScaleAndBias = !ScaleAndBias;
          break;
diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c
index f10a01ec265..dc5a4bbc480 100644
--- a/progs/demos/shadowtex.c
+++ b/progs/demos/shadowtex.c
@@ -788,6 +788,7 @@ Key(unsigned char key, int x, int y)
          exit(0);
          break;
    }
+   fflush(stdout);
    glutPostRedisplay();
 }
 
@@ -1014,6 +1015,7 @@ PrintHelp(void)
    printf("  <shift> + cursor keys = rotate light source\n");
    if (HaveEXTshadowFuncs)
       printf("  o = cycle through comparison modes\n");
+   fflush(stdout);
 }
 
 
diff --git a/progs/demos/teapot.c b/progs/demos/teapot.c
index 38ede7ac3e1..6bf6e064095 100644
--- a/progs/demos/teapot.c
+++ b/progs/demos/teapot.c
@@ -173,10 +173,20 @@ static void special(int k, int x, int y)
   }
 }
 
+static void cleanup(void)
+{
+  glDeleteTextures(1, &t1id);
+  glDeleteTextures(1, &t2id);
+  glDeleteLists(teapotdlist, 1);
+  glDeleteLists(basedlist, 1);
+  glDeleteLists(lightdlist, 1);
+}
+
 static void key(unsigned char k, int x, int y)
 {
   switch(k) {
   case 27:
+    cleanup();
     exit(0);
     break;
     
@@ -670,6 +680,7 @@ int main(int ac, char **av)
   glutIdleFunc(draw);
 
   glutMainLoop();
+  cleanup();
 
   return 0;
 }
diff --git a/progs/demos/tunnel.c b/progs/demos/tunnel.c
index 6a240580e8a..6981da32988 100644
--- a/progs/demos/tunnel.c
+++ b/progs/demos/tunnel.c
@@ -203,10 +203,18 @@ special(int k, int x, int y)
 }
 
 static void
+cleanup(void)
+{
+   glDeleteTextures(1, &t1id);
+   glDeleteTextures(1, &t2id);
+}
+
+static void
 key(unsigned char k, int x, int y)
 {
    switch (k) {
    case 27:
+      cleanup();
       exit(0);
       break;
 
@@ -531,5 +539,6 @@ main(int ac, char **av)
 
    glutMainLoop();
 
+   cleanup();
    return 0;
 }
diff --git a/progs/demos/tunnel2.c b/progs/demos/tunnel2.c
index f4171a8346d..0288ea0f8ce 100644
--- a/progs/demos/tunnel2.c
+++ b/progs/demos/tunnel2.c
@@ -201,12 +201,20 @@ special(int k, int x, int y)
 }
 
 static void
+cleanup(void)
+{
+   glDeleteTextures(1, &t1id);
+   glDeleteTextures(1, &t2id);
+}
+
+static void
 key(unsigned char k, int x, int y)
 {
    switch (k) {
    case 27:
       glutDestroyWindow(channel[0]);
       glutDestroyWindow(channel[1]);
+      cleanup();
       exit(0);
       break;
 
@@ -602,6 +610,7 @@ main(int ac, char **av)
    calcposobs();
 
    glutMainLoop();
+   cleanup();
 
    return 0;
 }
diff --git a/progs/demos/vao_demo.c b/progs/demos/vao_demo.c
index ce416712fe2..206e06fc6c7 100644
--- a/progs/demos/vao_demo.c
+++ b/progs/demos/vao_demo.c
@@ -260,6 +260,8 @@ static void Key( unsigned char key, int x, int y )
    (void) y;
    switch (key) {
       case 27:
+         (*delete_vertex_arrays)( 1, & cube_array_obj );
+         (*delete_vertex_arrays)( 1, & oct_array_obj );
          glutDestroyWindow(Win);
          exit(0);
          break;
diff --git a/progs/redbook/polyoff.c b/progs/redbook/polyoff.c
index 2017b4d8eed..de34b2e7675 100644
--- a/progs/redbook/polyoff.c
+++ b/progs/redbook/polyoff.c
@@ -153,6 +153,7 @@ static void Benchmark( float xdiff, float ydiff )
    double seconds, fps;
 
    printf("Benchmarking...\n");
+   fflush(stdout);
 
    draws = 0;
    startTime = glutGet(GLUT_ELAPSED_TIME);
@@ -169,6 +170,7 @@ static void Benchmark( float xdiff, float ydiff )
    seconds = (double) (endTime - startTime) / 1000.0;
    fps = draws / seconds;
    printf("Result:  fps: %g\n", fps);
+   fflush(stdout);
 }
 
 
@@ -263,6 +265,7 @@ void keyboard (unsigned char key, int x, int y)
       default:
          break;
    }
+   fflush(stdout);
 }
 
 static void
diff --git a/progs/tests/.gitignore b/progs/tests/.gitignore
index e6369de3ab2..959ddcc51f6 100644
--- a/progs/tests/.gitignore
+++ b/progs/tests/.gitignore
@@ -16,22 +16,20 @@ blendminmax
 blendsquare
 blendxor
 bufferobj
-bumpmap
 bug_3050
 bug_3101
 bug_3195
 bug_texstore_i8
+bumpmap
 calibrate_rast
 copypixrate
 crossbar
 cva
-dinoshade
 drawbuffers
 extfuncs.h
 exactrast
 fbotest1
 fbotest2
-fbotexture
 fillrate
 floattex
 fog
@@ -40,6 +38,7 @@ fptest1
 fptexture
 getprocaddress
 getproclist.h
+glutfx
 interleave
 invert
 jkrahntest
@@ -49,6 +48,7 @@ mapbufrange
 mapvbo
 minmag
 mipgen
+mipmap_comp
 mipmap_limits
 mipmap_view
 multipal
@@ -56,7 +56,6 @@ no_s3tc
 packedpixels
 pbo
 prog_parameter
-projtex
 quads
 random
 readrate
@@ -64,22 +63,22 @@ readtex.c
 readtex.h
 rubberband
 seccolor
-sharedtex
 shader_api
 shaderutil.c
 shaderutil.h
+sharedtex
 stencil_twoside
-stencil_wrap
 stencilwrap
 stencil_wrap
+streaming_rect
 subtex
 subtexrate
 tex1d
-texcmp
 texcompress2
+texdown
 texfilt
-texgenmix
 texline
+texobj
 texobjshare
 texrect
 texwrap
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index f5fbf374f7a..628ca415354 100644
--- a/progs/tests/Makefile
+++ b/progs/tests/Makefile
@@ -58,6 +58,7 @@ SOURCES = \
 	mapvbo.c \
 	minmag.c \
 	mipgen.c \
+	mipmap_comp.c \
 	mipmap_limits.c \
 	mipmap_view.c \
 	multipal.c \
diff --git a/progs/tests/SConscript b/progs/tests/SConscript
index 4f22ca735c1..453fcecd9c1 100644
--- a/progs/tests/SConscript
+++ b/progs/tests/SConscript
@@ -81,6 +81,7 @@ progs = [
     'mapvbo',
     'minmag',
     'mipgen',
+    'mipmap_comp',
     'mipmap_limits',
     'mipmap_view',
     'multipal',
diff --git a/progs/tests/floattex.c b/progs/tests/floattex.c
index dd99d836c64..ad14cacdcbb 100644
--- a/progs/tests/floattex.c
+++ b/progs/tests/floattex.c
@@ -1,6 +1,5 @@
 /*
  * Test floating point textures.
- * No actual rendering, yet.
  */
 
 
@@ -103,7 +102,6 @@ Key(unsigned char key, int x, int y)
 }
 
 
-
 static void
 InitTexture(void)
 {
@@ -141,6 +139,8 @@ InitTexture(void)
                 GL_RGB, GL_FLOAT, ftex);
 
 
+   CheckError(__LINE__);
+
    /* sanity checks */
    glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_RED_TYPE_ARB, &t);
    assert(t == GL_FLOAT);
@@ -152,32 +152,26 @@ InitTexture(void)
    assert(t == GL_FLOAT);
 
    free(image);
-   free(ftex);
-      
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
 
-#if 0
-   /* read back the texture and make sure values are correct */
-   glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_FLOAT, tex2);
-   CheckError(__LINE__);
-   for (i = 0; i < 16; i++) {
-      for (j = 0; j < 16; j++) {
-         if (tex[i][j][0] != tex2[i][j][0] ||
-             tex[i][j][1] != tex2[i][j][1] ||
-             tex[i][j][2] != tex2[i][j][2] ||
-             tex[i][j][3] != tex2[i][j][3]) {
-            printf("tex[%d][%d] %g %g %g %g != tex2[%d][%d] %g %g %g %g\n",
-                   i, j,
-                   tex[i][j][0], tex[i][j][1], tex[i][j][2], tex[i][j][3],
-                   i, j,
-                   tex2[i][j][0], tex2[i][j][1], tex2[i][j][2], tex2[i][j][3]);
+   if (1) {
+      /* read back the texture and make sure values are correct */
+      GLfloat *tex2 = (GLfloat *)
+         malloc(imgWidth * imgHeight * 4 * sizeof(GLfloat));
+      glGetTexImage(GL_TEXTURE_2D, 0, imgFormat, GL_FLOAT, tex2);
+      CheckError(__LINE__);
+      for (i = 0; i < imgWidth * imgHeight * 4; i++) {
+         if (ftex[i] != tex2[i]) {
+            printf("tex[%d] %g != tex2[%d] %g\n",
+                   i, ftex[i], i, tex2[i]);
          }
       }
    }
-#endif
+
+   free(ftex);
 }
 
 
@@ -193,7 +187,9 @@ CreateProgram(void)
 
    assert(program);
 
-   // InitUniforms(program, Uniforms);
+   glUseProgram_func(program);
+
+   InitUniforms(program, Uniforms);
 
    return program;
 }
@@ -211,8 +207,9 @@ Init(void)
       exit(1);
    }
 
-   if (!glutExtensionSupported("GL_MESAX_texture_float")) {
-      printf("Sorry, this test requires GL_MESAX_texture_float\n");
+   if (!glutExtensionSupported("GL_MESAX_texture_float") &&
+       !glutExtensionSupported("GL_ARB_texture_float")) {
+      printf("Sorry, this test requires GL_MESAX/ARB_texture_float\n");
       exit(1);
    }
 
diff --git a/progs/tests/mipmap_comp.c b/progs/tests/mipmap_comp.c
new file mode 100644
index 00000000000..5842e2b8805
--- /dev/null
+++ b/progs/tests/mipmap_comp.c
@@ -0,0 +1,295 @@
+/* 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
index 85fc67ac79f..808d348699c 100644
--- a/progs/tests/mipmap_view.c
+++ b/progs/tests/mipmap_view.c
@@ -18,12 +18,27 @@
 
 #define TEXTURE_FILE "../images/arch.rgb"
 
-static int TexWidth = 256, TexHeight = 256;
+#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);
+   }
+}
 
 
 
@@ -37,6 +52,178 @@ PrintString(const char *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)
 {
@@ -44,6 +231,8 @@ Display(void)
    char str[100];
    int texWidth = TexWidth, texHeight = TexHeight;
 
+   glViewport(0, 0, WinHeight, WinHeight);
+
    glClear(GL_COLOR_BUFFER_BIT);
 
    glMatrixMode(GL_PROJECTION);
@@ -126,7 +315,6 @@ Reshape(int width, int height)
 {
    WinWidth = width;
    WinHeight = height;
-   glViewport(0, 0, width, height);
 }
 
 
@@ -145,6 +333,21 @@ Key(unsigned char key, int x, int y)
       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':
@@ -160,6 +363,14 @@ Key(unsigned char key, int x, int y)
       case 's':
          ScaleQuads = !ScaleQuads;
          break;
+      case ' ':
+         MipGenTexture();
+         Bias = 0;
+         Linear = 0;
+         RenderTextureLevel = 0;
+         ScaleQuads = 0;
+         break;
+         
       case 27:
          glutDestroyWindow(Win);
          exit(0);
@@ -186,53 +397,13 @@ Init(void)
 
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 
-   if (1) {
-      /* 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);
-         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;
-      }
-   }
-   else {
-      if (LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
-         printf("Using gluBuildMipmaps()\n");
-      }
-      else {
-         printf("Error: could not load texture image %s\n", TEXTURE_FILE);
-         exit(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);
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 69c71cbaf61..22de83fa790 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -30,6 +30,7 @@ SOURCES = \
 	fs-tri.c \
 	line-clip.c \
 	line-cull.c \
+	line-flat.c \
 	line-smooth.c \
 	line-stipple-wide.c \
 	line-userclip-clip.c \
@@ -138,6 +139,7 @@ SOURCES = \
 	tristrip-flat.c \
 	tristrip.c \
 	vbo-drawarrays.c \
+	vbo-noninterleaved.c \
 	vbo-drawelements.c \
 	vbo-drawrange.c \
 	vp-array.c \
@@ -145,6 +147,7 @@ SOURCES = \
 	vp-clip.c \
 	vp-line-clip.c \
 	vp-tri.c \
+	vp-tri-invariant.c \
 	vp-tri-swap.c \
 	vp-tri-tex.c \
 	vp-tri-imm.c \
diff --git a/progs/trivial/SConscript b/progs/trivial/SConscript
index 480630e210e..9a1f3575bdc 100644
--- a/progs/trivial/SConscript
+++ b/progs/trivial/SConscript
@@ -26,6 +26,7 @@ progs = [
 	'fs-tri',
 	'line-clip',
 	'line-cull',
+	'line-flat',
 	'line-smooth',
 	'line-stipple-wide',
 	'line-userclip-clip',
@@ -134,6 +135,7 @@ progs = [
 	'tristrip-flat',
 	'tristrip',
 	'vbo-drawarrays',
+	'vbo-noninterleaved',
 	'vbo-drawelements',
 	'vbo-drawrange',
 	'vp-array',
@@ -141,6 +143,7 @@ progs = [
 	'vp-clip',
 	'vp-line-clip',
 	'vp-tri',
+	'vp-tri-invariant',
 	'vp-tri-swap',
 	'vp-tri-tex',
 	'vp-tri-imm',
diff --git a/progs/trivial/line-flat.c b/progs/trivial/line-flat.c
new file mode 100644
index 00000000000..14f0ac07825
--- /dev/null
+++ b/progs/trivial/line-flat.c
@@ -0,0 +1,147 @@
+/*
+ * 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.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   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));
+   fflush(stderr);
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+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 Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+
+   glBegin(GL_LINES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+
+
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   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);
+
+    if (glutCreateWindow(*argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/vbo-noninterleaved.c b/progs/trivial/vbo-noninterleaved.c
new file mode 100644
index 00000000000..0672ca50ff1
--- /dev/null
+++ b/progs/trivial/vbo-noninterleaved.c
@@ -0,0 +1,139 @@
+/* Basic VBO */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+struct {
+   GLfloat pos[4][4];
+   GLfloat col[4][4];
+} verts =  
+{
+   /* Position: a quad
+    */
+   { 
+      {  0.9, -0.9, 0.0, 1.0 },
+      {  0.9,  0.9, 0.0, 1.0 },
+      { -0.9,  0.9, 0.0, 1.0 },
+      { -0.9, -0.9, 0.0, 1.0 },
+   },
+
+   /* Color: all red
+    */
+   { 
+      { 1.0, 0.0, 0.0, 1.0 },
+      { 1.0, 0.0, 0.0, 1.0 },
+      { 1.0, 0.0, 0.0, 1.0 },
+      { 1.0, 0.0, 0.0, 1.0 },
+   },
+
+
+};
+
+GLuint arrayObj, elementObj;
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.color, vertex.color;\n"
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+   glGenProgramsARB(1, &prognum);
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+
+   glEnableClientState( GL_VERTEX_ARRAY );
+   glEnableClientState( GL_COLOR_ARRAY );
+
+   glGenBuffersARB(1, &arrayObj);
+   glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+   glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), &verts, GL_STATIC_DRAW_ARB);
+
+   glVertexPointer( 4, GL_FLOAT, sizeof(verts.pos[0]), 0 );
+   glColorPointer( 4, GL_FLOAT, sizeof(verts.col[0]), (void *)(4*4*sizeof(float)) );
+
+}
+
+
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_ARB);
+
+//   glDrawArrays( GL_TRIANGLES, 0, 3 );
+//   glDrawArrays( GL_TRIANGLES, 1, 3 );
+   glDrawArrays( GL_QUADS, 0, 4 );
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   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;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glewInit();
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/vp-tri-invariant.c b/progs/trivial/vp-tri-invariant.c
new file mode 100644
index 00000000000..ff241393659
--- /dev/null
+++ b/progs/trivial/vp-tri-invariant.c
@@ -0,0 +1,147 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "OPTION ARB_position_invariant ;"
+      "MOV  result.color, vertex.color;\n"
+      "END\n";
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   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));
+   fflush(stderr);
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+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 Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glEnable(GL_VERTEX_PROGRAM_ARB);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   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 | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow(*argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glewInit();
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/xdemos/glxcontexts.c b/progs/xdemos/glxcontexts.c
index a9ff326ed5e..a97b62a9081 100644
--- a/progs/xdemos/glxcontexts.c
+++ b/progs/xdemos/glxcontexts.c
@@ -385,6 +385,10 @@ draw( Display *dpy, Window win )
    } else
       do_draw();
 
+   glDeleteLists(gear1, 1);
+   glDeleteLists(gear2, 1);
+   glDeleteLists(gear3, 1);
+
    glXSwapBuffers(dpy, win);
    glXDestroyContext(dpy, ctx);
 }