Merge remote branch 'origin/master' into gallium_draw_llvm

3 files changed, 329 insertions, 0 deletions

diff --git a/src/gallium/targets/libgl-xlib/Makefile b/src/gallium/targets/libgl-xlib/Makefile
new file mode 100644
index 00000000000..5a4e035c2eb
--- /dev/null
+++ b/src/gallium/targets/libgl-xlib/Makefile
@@ -0,0 +1,100 @@
+# src/gallium/targets/libgl-xlib/Makefile
+
+# This makefile produces a "stand-alone" libGL.so which is based on
+# Xlib (no DRI HW acceleration)
+
+
+TOP = ../../../..
+include $(TOP)/configs/current
+
+
+GL_MAJOR = 1
+GL_MINOR = 5
+GL_TINY = 0$(MESA_MAJOR)0$(MESA_MINOR)0$(MESA_TINY)
+
+
+INCLUDE_DIRS = \
+	-I$(TOP)/include \
+	-I$(TOP)/src/mesa \
+	-I$(TOP)/src/mesa/main \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/src/gallium/state_trackers/glx/xlib \
+	-I$(TOP)/src/gallium/auxiliary
+
+DEFINES += \
+	-DGALLIUM_SOFTPIPE
+#-DGALLIUM_CELL will be defined by the config */
+
+XLIB_TARGET_SOURCES = \
+	xlib.c
+
+
+XLIB_TARGET_OBJECTS = $(XLIB_TARGET_SOURCES:.c=.o)
+
+
+# Note: CELL_SPU_LIB is only defined for cell configs
+
+LIBS = \
+	$(GALLIUM_DRIVERS) \
+	$(TOP)/src/gallium/state_trackers/glx/xlib/libxlib.a \
+	$(TOP)/src/gallium/winsys/xlib/libws_xlib.a \
+	$(TOP)/src/gallium/drivers/trace/libtrace.a \
+	$(TOP)/src/gallium/drivers/identity/libidentity.a \
+	$(TOP)/src/mesa/libglapi.a \
+	$(TOP)/src/mesa/libmesagallium.a \
+	$(GALLIUM_AUXILIARIES) \
+	$(CELL_SPU_LIB) \
+
+
+.SUFFIXES : .cpp
+
+.c.o:
+	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
+
+.cpp.o:
+	$(CXX) -c $(INCLUDE_DIRS) $(CXXFLAGS) $< -o $@
+
+
+
+default: $(TOP)/$(LIB_DIR)/gallium $(TOP)/$(LIB_DIR)/gallium/$(GL_LIB_NAME)
+
+$(TOP)/$(LIB_DIR)/gallium:
+	@ mkdir -p $(TOP)/$(LIB_DIR)/gallium
+
+# Make the libGL.so library
+$(TOP)/$(LIB_DIR)/gallium/$(GL_LIB_NAME): $(XLIB_TARGET_OBJECTS) $(LIBS) Makefile
+	$(TOP)/bin/mklib -o $(GL_LIB) \
+		-linker "$(CC)" \
+		-major $(GL_MAJOR) -minor $(GL_MINOR) -patch $(GL_TINY) \
+		-install $(TOP)/$(LIB_DIR)/gallium \
+		$(MKLIB_OPTIONS) $(XLIB_TARGET_OBJECTS) \
+		-Wl,--start-group $(LIBS) -Wl,--end-group $(GL_LIB_DEPS)
+
+
+depend: $(XLIB_TARGET_SOURCES)
+	@ echo "running $(MKDEP)"
+	@ rm -f depend  # workaround oops on gutsy?!?
+	@ touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) $(XLIB_TARGET_SOURCES) \
+		> /dev/null 2>/dev/null
+
+
+install: default
+	$(INSTALL) -d $(DESTDIR)$(INSTALL_DIR)/include/GL
+	$(INSTALL) -d $(DESTDIR)$(INSTALL_DIR)/$(LIB_DIR)
+	$(INSTALL) -m 644 $(TOP)/include/GL/*.h $(DESTDIR)$(INSTALL_DIR)/include/GL
+	@if [ -e $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) ]; then \
+		$(MINSTALL) $(TOP)/$(LIB_DIR)/libGL* $(DESTDIR)$(INSTALL_DIR)/$(LIB_DIR); \
+	fi
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` $(TOP)/include/GL/*.h
+
+clean:
+	-rm -f *.o
+
+
+include depend
diff --git a/src/gallium/targets/libgl-xlib/SConscript b/src/gallium/targets/libgl-xlib/SConscript
new file mode 100644
index 00000000000..efa7e797d1f
--- /dev/null
+++ b/src/gallium/targets/libgl-xlib/SConscript
@@ -0,0 +1,69 @@
+#######################################################################
+# SConscript for xlib winsys
+
+Import('*')
+
+if env['platform'] != 'linux':
+    Return()
+
+if 'mesa' not in env['statetrackers']:
+    print 'warning: Mesa state tracker disabled: skipping build of xlib libGL.so'
+    Return()
+
+if env['dri']:
+    print 'warning: DRI enabled: skipping build of xlib libGL.so'
+    Return()
+
+if not set(('softpipe', 'llvmpipe', 'cell')).intersection(env['drivers']):
+    print 'warning: no supported pipe driver: skipping build of xlib libGL.so'
+    Return()
+
+env = env.Clone()
+
+env.Append(CPPPATH = [
+    '#/src/mesa',
+    '#/src/mesa/main',
+    '#src/gallium/state_trackers/glx/xlib',
+])
+
+env.Append(CPPDEFINES = ['USE_XSHM'])
+
+env.Prepend(LIBS = [
+    st_xlib,
+    ws_xlib,
+    trace,
+    identity,
+    glapi,
+    mesa,
+    glsl,
+    gallium,
+])
+
+sources = [
+    'xlib.c',
+]
+
+if 'softpipe' in env['drivers']:
+    env.Append(CPPDEFINES = 'GALLIUM_SOFTPIPE')
+    env.Prepend(LIBS = [softpipe])
+
+if 'llvmpipe' in env['drivers']:
+    env.Tool('llvm')
+    if 'LLVM_VERSION' in env:
+        env.Append(CPPDEFINES = 'GALLIUM_LLVMPIPE')
+        env.Tool('udis86')
+        env.Prepend(LIBS = [llvmpipe])
+    
+if 'cell' in env['drivers']:
+    env.Append(CPPDEFINES = 'GALLIUM_CELL')
+    env.Prepend(LIBS = [cell])
+
+# TODO: write a wrapper function http://www.scons.org/wiki/WrapperFunctions
+libgl = env.SharedLibrary(
+    target ='GL',
+    source = sources,
+)
+
+if not env['dri']:
+    # Only install this libGL.so if DRI not enabled
+    env.InstallSharedLibrary(libgl, version=(1, 5))
diff --git a/src/gallium/targets/libgl-xlib/xlib.c b/src/gallium/targets/libgl-xlib/xlib.c
new file mode 100644
index 00000000000..05dc8db57d9
--- /dev/null
+++ b/src/gallium/targets/libgl-xlib/xlib.c
@@ -0,0 +1,160 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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, 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 
+ **************************************************************************/
+
+/*
+ * Authors:
+ *   Keith Whitwell
+ */
+#include "pipe/p_compiler.h"
+#include "state_tracker/xlib_sw_winsys.h"
+#include "util/u_debug.h"
+#include "softpipe/sp_public.h"
+#include "llvmpipe/lp_public.h"
+#include "cell/ppu/cell_public.h"
+#include "target-helpers/wrap_screen.h"
+#include "xm_public.h"
+
+/* advertise OpenGL support */
+PUBLIC const int st_api_OpenGL = 1;
+
+
+/* Helper function to build a subset of a driver stack consisting of
+ * one of the software rasterizers (cell, llvmpipe, softpipe) and the
+ * xlib winsys.
+ *
+ * This function could be shared, but currently causes headaches for
+ * the build systems, particularly scons if we try.  Long term, want
+ * to avoid having global #defines for things like GALLIUM_LLVMPIPE,
+ * GALLIUM_CELL, etc.  Scons already eliminates those #defines, so
+ * things that are painful for it now are likely to be painful for
+ * other build systems in the future.
+ */
+static struct pipe_screen *
+swrast_xlib_create_screen( Display *display )
+{
+   struct sw_winsys *winsys;
+   struct pipe_screen *screen = NULL;
+
+   /* Create the underlying winsys, which performs presents to Xlib
+    * drawables:
+    */
+   winsys = xlib_create_sw_winsys( display );
+   if (winsys == NULL)
+      return NULL;
+
+   /* Create a software rasterizer on top of that winsys:
+    */
+#if defined(GALLIUM_CELL)
+   if (screen == NULL &&
+       !debug_get_bool_option("GALLIUM_NO_CELL", FALSE))
+      screen = cell_create_screen( winsys );
+#endif
+
+#if defined(GALLIUM_LLVMPIPE)
+   if (screen == NULL &&
+       !debug_get_bool_option("GALLIUM_NO_LLVM", FALSE))
+      screen = llvmpipe_create_screen( winsys );
+#endif
+
+   if (screen == NULL)
+      screen = softpipe_create_screen( winsys );
+
+   if (screen == NULL)
+      goto fail;
+
+   /* Inject any wrapping layers we want to here:
+    */
+   return gallium_wrap_screen( screen );
+
+fail:
+   if (winsys)
+      winsys->destroy( winsys );
+
+   return NULL;
+}
+
+struct xm_driver xlib_driver = 
+{
+   .create_pipe_screen = swrast_xlib_create_screen,
+};
+
+
+/* Build the rendering stack.
+ */
+static void _init( void ) __attribute__((constructor));
+static void _init( void )
+{
+   /* Initialize the xlib libgl code, pass in the winsys:
+    */
+   xmesa_set_driver( &xlib_driver );
+}
+
+
+/***********************************************************************
+ *
+ * Butt-ugly hack to convince the linker not to throw away public GL
+ * symbols (they are all referenced from getprocaddress, I guess).
+ */
+extern void (*linker_foo(const unsigned char *procName))();
+extern void (*glXGetProcAddress(const unsigned char *procName))();
+
+extern void (*linker_foo(const unsigned char *procName))()
+{
+   return glXGetProcAddress(procName);
+}
+
+
+/**
+ * When GLX_INDIRECT_RENDERING is defined, some symbols are missing in
+ * libglapi.a.  We need to define them here.
+ */
+#ifdef GLX_INDIRECT_RENDERING
+
+#define GL_GLEXT_PROTOTYPES
+#include "GL/gl.h"
+#include "glapi/glapi.h"
+#include "glapi/glapitable.h"
+#include "glapi/glapidispatch.h"
+
+#if defined(USE_MGL_NAMESPACE)
+#define NAME(func)  mgl##func
+#else
+#define NAME(func)  gl##func
+#endif
+
+#define DISPATCH(FUNC, ARGS, MESSAGE)		\
+   CALL_ ## FUNC(GET_DISPATCH(), ARGS);
+
+#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) 	\
+   return CALL_ ## FUNC(GET_DISPATCH(), ARGS);
+
+/* skip normal ones */
+#define _GLAPI_SKIP_NORMAL_ENTRY_POINTS
+#include "glapi/glapitemp.h"
+
+#endif /* GLX_INDIRECT_RENDERING */