Upgrading Mesa to 9.0.3

third_party/mesa/README.chromium

 Name: mesa
-Version: 7.9
+Version: 9.0.3
 URL: http://www.mesa3d.org/
 License: MIT and LGPL v2
 Security Critical: Yes
 
 Description:
-This directory contains a copy of these MesaLib components:
-
-Main Mesa code    src/mesa/
-Device drivers    src/mesa/drivers/*
-Ext headers       include/GL/glext.h
-                  include/GL/glxext.h
-SGI GLU library   src/glu/sgi/
+This directory contains a copy of the Mesa sources with minor
+modifications to work in Chromium's build infrastructure.
 
 The license file in this directory is derived from src/docs/license.html
 and src/docs/COPYING.
 
-Modifications made with initial commit:
-- Converted to utf-8 with: vim +"argdo write ++enc=utf-8" *.c
-
+Modifications made:
 - Added the file README.chromium (this file)
 
-Later modifications (see chromium.patch):
-- Added OSMesaGetProcAddress to src/src/mesa/drivers/osmesa/osmesa.def
+- Disabled optimizations using #pragma optimize('', off) in the
+  following files:
+  - src/src/mesa/main/mipmap.c
+  - src/src/mesa/main/pack.c
+  - src/src/mesa/math/m_eval.c
+  - src/src/mesa/swrast/s_texcombine.c
 
-- Added #pragma optimize('', off) to:
-  - src\src\mesa\main\histogram.c
-  - src\src\mesa\main\image.c
-  - src\src\mesa\main\mipmap.c
-  - src\src\mesa\math\m_eval.c
-  - src\src\mesa\swrast\s_texcombine.c
+- Checked in sources normally autogenerated during Mesa's build
+  process under src/chromium_gensrc.
 
-- Deleted src/include/EGL/ - it was conflicting with angle
-  - Also deleted src/include/GLES2/ and src/include/KHR/ for
-    similar reasons
-  - Deleted src/include/GLES/ and src/include/VG/ because they
-    were unneeded
+- Modified _mesa_add_parameter to not read from uninitialized
+  memory
 
-- Changed these typedefs in glext.h to be the same as khrplatform.h
-    typedef signed long int GLintptr;
-    typedef signed long int GLsizeiptr;
-    typedef signed long int GLintptrARB;
-    typedef signed long int GLsizeiptrARB;
-
-- Commented out this in gl.h:
-#if (defined(__BEOS__) && defined(__POWERPC__)) || defined(__QUICKDRAW__)
-#  define PRAGMA_EXPORT_SUPPORTED               1
-#endif
-
-- Commented out this in osmesa.h:
-#if defined(__BEOS__) || defined(__QUICKDRAW__)
-#pragma export on
-#endif
-
-- Commented out this in gl.h:
-#    define GLAPI __declspec(dllimport)
-
-- Added src/glsl/safe_strcmp.[ch] to handle NULL pointers portably.
-  Changed several files in src/glsl/ to use this new entry point.
-
-- Added src/mesa/drivers/osmesa/empty.cpp to fix linkage of osmesa.so
-  on Mac OS X.
-
-- Changed glcpp-parse.[cy], glcpp.h, ir_function_inlining.cpp, and
-  ir_validate.cpp to avoid including inttypes.h on Windows.
-
-- Changed glapi_nop.c to generate custom OpenGL entry points rather
-  than simply installing NoOpGeneric, because with __stdcall calling
-  convention it is illegal to have a mismatch in the number of
-  arguments passed from caller to callee.
-
-- Guarded #define PUBLIC in compiler.h to avoid warnings about macro
-  redefinitions.
-
-- Changed querymatrix.c to understand availability of fpclassify on
-  Linux.
-
-- Guarded all usage of EGL_Y_INVERTED_NOK with EGL_NOK_texture_from_pixmap
-  so that it can be compiled against standard EGL 1.4 headers.
-
-- Initialized uninitialized mask variable in eglconfig.c line 245.
-
-- Fixed compiler warning about cast to pointer from integer of different size
-  in eglapi.c line 276. Replaced void* with EGLNativeDisplayType.
-
-- Suppressed spurious compiler warning from gcc in eglCompareConfig by
-  reorganizing the .h a little
-
-- Corrected the comparison in src/mesa/main/teximage.c line 2801 to check
-  if width > 0 && height > 0 && depth > 0, instead of checking
-  width > 0 && height > 0 && height > 0 . See
-  https://bugs.freedesktop.org/show_bug.cgi?id=37648
-
-- Suppressed (accurate) compiler warnings about return type conflicts
-  from gl_apinop.c.
-  http://code.google.com/p/chromium/issues/detail?id=92568
-  https://bugs.freedesktop.org/show_bug.cgi?id=40028
-
-- Merged fix for https://bugs.freedesktop.org/show_bug.cgi?id=51574
-  (commit b1802a2115323233352da558430e109ff187b8af)
-
-- Merged the replacement of memcpy() with memmove() in SHIFT_ARRAY declared in
-  s_span.c (commit a44d715d2b19dc2f8f48b01144cc38e4e2c5015a)
-
-- Suppressed the OOB read reported by AddressSanitizer in swizzle_for_size from
-  ir_to_mesa.cpp
-  https://code.google.com/p/chromium/issues/detail?id=139772
-  https://bugs.freedesktop.org/show_bug.cgi?id=52996
-  https://codereview.chromium.org/11549005/
-
-- Suppressed the OOB read reported by AddressSanitizer in _mesa_add_parameter
-  from prog_parameter.c
-  http://code.google.com/p/chromium/issues/detail?id=142316
-  https://codereview.chromium.org/11549005/
-
-- Fix the compile errors on Android
-
-- Added constants for GL_NVX_gpu_memory_info to glext.h
-
-- Added constants for GL_EXT_discard_framebuffer to glext.h
-
-- Disabled the IEEE float optimized UNCLAMPED_FLOAT_TO_UBYTE and
-  CLAMPED_FLOAT_TO_UBYTE (src/mesa/main/macros.h) in chromium version
-  of mesa.  They produce slightly different results than the
-  un-optimized versions that are used when DEBUG is defined.
-
-- Cleaned up redundant comparison in nvvertparse.c.
+- Added typedefs for EGLNative*Type in eglplatform.h, guarded by an
+  __APPLE__ define