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Unified Diff: ui/gl/generate_bindings.py

Issue 871763002: Make GL bindings conditional (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 5 years, 11 months ago
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« third_party/khronos/README.chromium ('K') | « ui/gl/BUILD.gn ('k') | ui/gl/gl.gyp » ('j') | ui/gl/gl_bindings_autogen_gl.cc » ('J')
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Index: ui/gl/generate_bindings.py
diff --git a/ui/gl/generate_bindings.py b/ui/gl/generate_bindings.py
index 7a339b62ec22b1f385b5ccebe0e2880ff68b539b..6eb3faa6020af379e86a831f3f35d48f76cff6ef 100755
--- a/ui/gl/generate_bindings.py
+++ b/ui/gl/generate_bindings.py
@@ -12,6 +12,7 @@ import re
import platform
import sys
from subprocess import call
+from collections import namedtuple
HEADER_PATHS = [
'../../third_party/khronos',
@@ -20,22 +21,20 @@ HEADER_PATHS = [
'../../gpu',
]
-"""In case there are multiple versions of the same function, one that's listed
-first takes priority if its conditions are met. If the function is an extension
-function, finding the extension from the extension string is a condition for
-binding it. The last version of the function is treated as a fallback option in
-case no other versions were bound, so a non-null function pointer in the
-bindings does not guarantee that the function is supported.
+UNCONDITIONALLY_BOUND_EXTENSIONS = set([
+ 'WGL_ARB_extensions_string',
+ 'WGL_EXT_extensions_string',
+ 'GL_EXT_framebuffer_object',
+ 'GL_CHROMIUM_gles_depth_binding_hack', # crbug.com/448206
+])
-Function binding conditions can be specified manually by supplying a versions
+"""Function binding conditions can be specified manually by supplying a versions
array instead of the names array. Each version has the following keys:
name: Mandatory. Name of the function. Multiple versions can have the same
name but different conditions.
- gl_versions: List of GL versions where the function is found.
- extensions: Extensions where the function is found. If not specified, the
- extensions are determined based on GL header files.
- If the function exists in an extension header, you may specify
- an empty array to prevent making that a condition for binding.
+ extensions: Extra Extensions for which the function is bound. Only needed
+ in some cases where the extension cannot be parsed from the
+ headers.
By default, the function gets its name from the first name in its names or
versions array. This can be overridden by supplying a 'known_as' key.
@@ -48,15 +47,15 @@ GL_FUNCTIONS = [
'names': ['glAttachShader'],
'arguments': 'GLuint program, GLuint shader', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glBeginQuery',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glBeginQuery' }],
'arguments': 'GLenum target, GLuint id', },
{ 'return_type': 'void',
- 'names': ['glBeginQueryARB', 'glBeginQueryEXT'],
+ 'versions': [{ 'name': 'glBeginQueryARB' },
+ { 'name': 'glBeginQueryEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLenum target, GLuint id', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glBeginTransformFeedback',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glBeginTransformFeedback' }],
'arguments': 'GLenum primitiveMode', },
{ 'return_type': 'void',
'names': ['glBindAttribLocation'],
@@ -65,12 +64,10 @@ GL_FUNCTIONS = [
'names': ['glBindBuffer'],
'arguments': 'GLenum target, GLuint buffer', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glBindBufferBase',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glBindBufferBase' }],
'arguments': 'GLenum target, GLuint index, GLuint buffer', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glBindBufferRange',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glBindBufferRange' }],
'arguments': 'GLenum target, GLuint index, GLuint buffer, GLintptr offset, '
'GLsizeiptr size', },
{ 'return_type': 'void',
@@ -87,22 +84,18 @@ GL_FUNCTIONS = [
'names': ['glBindRenderbufferEXT', 'glBindRenderbuffer'],
'arguments': 'GLenum target, GLuint renderbuffer', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glBindSampler',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glBindSampler' }],
'arguments': 'GLuint unit, GLuint sampler', },
{ 'return_type': 'void',
'names': ['glBindTexture'],
'arguments': 'GLenum target, GLuint texture', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glBindTransformFeedback',
- 'gl_versions': ['gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glBindTransformFeedback' }],
'arguments': 'GLenum target, GLuint id', },
{ 'return_type': 'void',
'known_as': 'glBindVertexArrayOES',
'versions': [{ 'name': 'glBindVertexArray',
- 'gl_versions': ['gl3', 'gl4', 'es3'] },
- { 'name': 'glBindVertexArray',
- 'extensions': ['GL_ARB_vertex_array_object'] },
+ 'extensions': ['GL_ARB_vertex_array_object'], },
{ 'name': 'glBindVertexArrayOES' },
{ 'name': 'glBindVertexArrayAPPLE',
'extensions': ['GL_APPLE_vertex_array_object'] }],
@@ -164,27 +157,24 @@ GL_FUNCTIONS = [
'names': ['glClear'],
'arguments': 'GLbitfield mask', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glClearBufferfi',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glClearBufferfi' }],
'arguments': 'GLenum buffer, GLint drawbuffer, const GLfloat depth, '
'GLint stencil', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glClearBufferfv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glClearBufferfv' }],
'arguments': 'GLenum buffer, GLint drawbuffer, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glClearBufferiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glClearBufferiv' }],
'arguments': 'GLenum buffer, GLint drawbuffer, const GLint* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glClearBufferuiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glClearBufferuiv' }],
'arguments': 'GLenum buffer, GLint drawbuffer, const GLuint* value', },
{ 'return_type': 'void',
'names': ['glClearColor'],
'arguments': 'GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha', },
{ 'return_type': 'void',
- 'names': ['glClearDepth'],
+ 'versions': [{ 'name': 'glClearDepth',
+ 'extensions': ['GL_CHROMIUM_gles_depth_binding_hack'] }],
'arguments': 'GLclampd depth', },
{ 'return_type': 'void',
'names': ['glClearDepthf'],
@@ -193,7 +183,8 @@ GL_FUNCTIONS = [
'names': ['glClearStencil'],
'arguments': 'GLint s', },
{ 'return_type': 'GLenum',
- 'names': ['glClientWaitSync'],
+ 'versions': [{ 'name': 'glClientWaitSync',
+ 'extensions': ['GL_ARB_sync'] }],
'arguments': 'GLsync sync, GLbitfield flags, GLuint64 timeout', },
{ 'return_type': 'void',
'names': ['glColorMask'],
@@ -208,8 +199,7 @@ GL_FUNCTIONS = [
'GLenum target, GLint level, GLenum internalformat, GLsizei width, '
'GLsizei height, GLint border, GLsizei imageSize, const void* data', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glCompressedTexImage3D',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glCompressedTexImage3D' }],
'arguments':
'GLenum target, GLint level, GLenum internalformat, GLsizei width, '
'GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, '
@@ -222,15 +212,13 @@ GL_FUNCTIONS = [
'const void* data', },
# TODO(zmo): wait for MOCK_METHOD11.
# { 'return_type': 'void',
-# 'versions': [{ 'name': 'glCompressedTexSubImage3D',
-# 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+# 'versions': [{ 'name': 'glCompressedTexSubImage3D' }],
# 'arguments':
# 'GLenum target, GLint level, GLint xoffset, GLint yoffset, '
# 'GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, '
# 'GLenum format, GLsizei imageSize, const void* data', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glCopyBufferSubData',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glCopyBufferSubData' }],
'arguments':
'GLenum readTarget, GLenum writeTarget, GLintptr readOffset, '
'GLintptr writeOffset, GLsizeiptr size', },
@@ -245,8 +233,7 @@ GL_FUNCTIONS = [
'GLenum target, GLint level, GLint xoffset, '
'GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glCopyTexSubImage3D',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glCopyTexSubImage3D' }],
'arguments':
'GLenum target, GLint level, GLint xoffset, GLint yoffset, '
'GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height', },
@@ -277,38 +264,36 @@ GL_FUNCTIONS = [
'names': ['glDeleteProgram'],
'arguments': 'GLuint program', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glDeleteQueries',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glDeleteQueries' }],
'arguments': 'GLsizei n, const GLuint* ids', },
{ 'return_type': 'void',
- 'names': ['glDeleteQueriesARB', 'glDeleteQueriesEXT'],
+ 'versions': [{ 'name': 'glDeleteQueriesARB'},
+ { 'name': 'glDeleteQueriesEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLsizei n, const GLuint* ids', },
{ 'return_type': 'void',
'names': ['glDeleteRenderbuffersEXT', 'glDeleteRenderbuffers'],
'arguments': 'GLsizei n, const GLuint* renderbuffers', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glDeleteSamplers',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glDeleteSamplers' }],
'arguments': 'GLsizei n, const GLuint* samplers', },
{ 'return_type': 'void',
'names': ['glDeleteShader'],
'arguments': 'GLuint shader', },
{ 'return_type': 'void',
- 'names': ['glDeleteSync'],
+ 'versions': [{ 'name': 'glDeleteSync',
+ 'extensions': ['GL_ARB_sync'] }],
'arguments': 'GLsync sync', },
{ 'return_type': 'void',
'names': ['glDeleteTextures'],
'arguments': 'GLsizei n, const GLuint* textures', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glDeleteTransformFeedbacks',
- 'gl_versions': ['gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glDeleteTransformFeedbacks' }],
'arguments': 'GLsizei n, const GLuint* ids', },
{ 'return_type': 'void',
'known_as': 'glDeleteVertexArraysOES',
'versions': [{ 'name': 'glDeleteVertexArrays',
- 'gl_versions': ['gl3', 'gl4', 'es3'] },
- { 'name': 'glDeleteVertexArrays',
- 'extensions': ['GL_ARB_vertex_array_object'] },
+ 'extensions': ['GL_ARB_vertex_array_object'], },
{ 'name': 'glDeleteVertexArraysOES' },
{ 'name': 'glDeleteVertexArraysAPPLE',
'extensions': ['GL_APPLE_vertex_array_object'] }],
@@ -320,7 +305,8 @@ GL_FUNCTIONS = [
'names': ['glDepthMask'],
'arguments': 'GLboolean flag', },
{ 'return_type': 'void',
- 'names': ['glDepthRange'],
+ 'versions': [{ 'name': 'glDepthRange',
+ 'extensions': ['GL_CHROMIUM_gles_depth_binding_hack'] }],
'arguments': 'GLclampd zNear, GLclampd zFar', },
{ 'return_type': 'void',
'names': ['glDepthRangef'],
@@ -365,8 +351,7 @@ GL_FUNCTIONS = [
'GLenum mode, GLsizei count, GLenum type, const void* indices, '
'GLsizei primcount', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glDrawRangeElements',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glDrawRangeElements' }],
'arguments': 'GLenum mode, GLuint start, GLuint end, GLsizei count, '
'GLenum type, const void* indices', },
{ 'return_type': 'void',
@@ -382,18 +367,19 @@ GL_FUNCTIONS = [
'names': ['glEnableVertexAttribArray'],
'arguments': 'GLuint index', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glEndQuery',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glEndQuery' }],
'arguments': 'GLenum target', },
{ 'return_type': 'void',
- 'names': ['glEndQueryARB', 'glEndQueryEXT'],
+ 'versions': [{ 'name': 'glEndQueryARB' },
+ { 'name': 'glEndQueryEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLenum target', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glEndTransformFeedback',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glEndTransformFeedback' }],
'arguments': 'void', },
{ 'return_type': 'GLsync',
- 'names': ['glFenceSync'],
+ 'versions': [{ 'name': 'glFenceSync',
+ 'extensions': ['GL_ARB_sync'] }],
'arguments': 'GLenum condition, GLbitfield flags', },
{ 'return_type': 'void',
'names': ['glFinish'],
@@ -433,8 +419,7 @@ GL_FUNCTIONS = [
'GLenum target, GLenum attachment, GLenum textarget, GLuint texture, '
'GLint level, GLsizei samples', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glFramebufferTextureLayer',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glFramebufferTextureLayer' }],
'arguments': 'GLenum target, GLenum attachment, GLuint texture, GLint level, '
'GLint layer', },
{ 'return_type': 'void',
@@ -458,32 +443,29 @@ GL_FUNCTIONS = [
'names': ['glGenFramebuffersEXT', 'glGenFramebuffers'],
'arguments': 'GLsizei n, GLuint* framebuffers', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGenQueries',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGenQueries' }],
'arguments': 'GLsizei n, GLuint* ids', },
{ 'return_type': 'void',
- 'names': ['glGenQueriesARB', 'glGenQueriesEXT'],
+ 'versions': [{ 'name': 'glGenQueriesARB', },
+ { 'name' : 'glGenQueriesEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLsizei n, GLuint* ids', },
{ 'return_type': 'void',
'names': ['glGenRenderbuffersEXT', 'glGenRenderbuffers'],
'arguments': 'GLsizei n, GLuint* renderbuffers', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGenSamplers',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glGenSamplers' }],
'arguments': 'GLsizei n, GLuint* samplers', },
{ 'return_type': 'void',
'names': ['glGenTextures'],
'arguments': 'GLsizei n, GLuint* textures', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGenTransformFeedbacks',
- 'gl_versions': ['gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGenTransformFeedbacks' }],
'arguments': 'GLsizei n, GLuint* ids', },
{ 'return_type': 'void',
'known_as': 'glGenVertexArraysOES',
'versions': [{ 'name': 'glGenVertexArrays',
- 'gl_versions': ['gl3', 'gl4', 'es3'] },
- { 'name': 'glGenVertexArrays',
- 'extensions': ['GL_ARB_vertex_array_object'] },
+ 'extensions': ['GL_ARB_vertex_array_object'], },
{ 'name': 'glGenVertexArraysOES' },
{ 'name': 'glGenVertexArraysAPPLE',
'extensions': ['GL_APPLE_vertex_array_object'] }],
@@ -499,18 +481,15 @@ GL_FUNCTIONS = [
'GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, '
'GLint* size, GLenum* type, char* name', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetActiveUniformBlockiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glGetActiveUniformBlockiv' }],
'arguments': 'GLuint program, GLuint uniformBlockIndex, GLenum pname, '
'GLint* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetActiveUniformBlockName',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glGetActiveUniformBlockName' }],
'arguments': 'GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, '
'GLsizei* length, char* uniformBlockName', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetActiveUniformsiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glGetActiveUniformsiv' }],
'arguments': 'GLuint program, GLsizei uniformCount, '
'const GLuint* uniformIndices, GLenum pname, GLint* params', },
{ 'return_type': 'void',
@@ -539,8 +518,7 @@ GL_FUNCTIONS = [
'names': ['glGetFloatv'],
'arguments': 'GLenum pname, GLfloat* params', },
{ 'return_type': 'GLint',
- 'versions': [{ 'name': 'glGetFragDataLocation',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGetFragDataLocation' }],
'arguments': 'GLuint program, const char* name', },
{ 'return_type': 'void',
'names': ['glGetFramebufferAttachmentParameterivEXT',
@@ -554,30 +532,26 @@ GL_FUNCTIONS = [
'glGetGraphicsResetStatus'],
'arguments': 'void', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetInteger64i_v',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glGetInteger64i_v' }],
'arguments': 'GLenum target, GLuint index, GLint64* data', },
{ 'return_type': 'void',
'names': ['glGetInteger64v'],
'arguments': 'GLenum pname, GLint64* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetIntegeri_v',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGetIntegeri_v' }],
'arguments': 'GLenum target, GLuint index, GLint* data', },
{ 'return_type': 'void',
'names': ['glGetIntegerv'],
'arguments': 'GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetInternalformativ',
- 'gl_versions': ['gl4', 'es3'] }], # GL 4.2 or higher.
+ 'versions': [{ 'name': 'glGetInternalformativ' }],
'arguments': 'GLenum target, GLenum internalformat, GLenum pname, '
'GLsizei bufSize, GLint* params', },
{ 'return_type': 'void',
'known_as': 'glGetProgramBinary',
'versions': [{ 'name': 'glGetProgramBinaryOES' },
{ 'name': 'glGetProgramBinary',
- 'extensions': ['GL_ARB_get_program_binary'] },
- { 'name': 'glGetProgramBinary' }],
+ 'extensions': ['GL_ARB_get_program_binary'] }],
'arguments': 'GLuint program, GLsizei bufSize, GLsizei* length, '
'GLenum* binaryFormat, GLvoid* binary' },
{ 'return_type': 'void',
@@ -588,42 +562,45 @@ GL_FUNCTIONS = [
'names': ['glGetProgramiv'],
'arguments': 'GLuint program, GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetQueryiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGetQueryiv' }],
'arguments': 'GLenum target, GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'names': ['glGetQueryivARB', 'glGetQueryivEXT'],
+ 'versions': [{ 'name': 'glGetQueryivARB' },
+ { 'name': 'glGetQueryivEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLenum target, GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'names': ['glGetQueryObjecti64v'],
+ 'versions': [{ 'name': 'glGetQueryObjecti64v',
+ 'extensions': ['GL_ARB_timer_query'] },
+ { 'name': 'glGetQueryObjecti64vEXT' }],
'arguments': 'GLuint id, GLenum pname, GLint64* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetQueryObjectiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'names': ['glGetQueryObjectiv'],
'arguments': 'GLuint id, GLenum pname, GLint* params', },
{ 'return_type': 'void',
'names': ['glGetQueryObjectivARB', 'glGetQueryObjectivEXT'],
'arguments': 'GLuint id, GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'names': ['glGetQueryObjectui64v', 'glGetQueryObjectui64vEXT'],
+ 'versions': [{ 'name': 'glGetQueryObjectui64v',
+ 'extensions': ['GL_ARB_timer_query'] },
+ { 'name': 'glGetQueryObjectui64vEXT' }],
'arguments': 'GLuint id, GLenum pname, GLuint64* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetQueryObjectuiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGetQueryObjectuiv' }],
'arguments': 'GLuint id, GLenum pname, GLuint* params', },
{ 'return_type': 'void',
- 'names': ['glGetQueryObjectuivARB', 'glGetQueryObjectuivEXT'],
+ 'versions': [{ 'name': 'glGetQueryObjectuivARB' },
+ { 'name': 'glGetQueryObjectuivEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLuint id, GLenum pname, GLuint* params', },
{ 'return_type': 'void',
'names': ['glGetRenderbufferParameterivEXT', 'glGetRenderbufferParameteriv'],
'arguments': 'GLenum target, GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetSamplerParameterfv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glGetSamplerParameterfv' }],
'arguments': 'GLuint sampler, GLenum pname, GLfloat* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetSamplerParameteriv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glGetSamplerParameteriv' }],
'arguments': 'GLuint sampler, GLenum pname, GLint* params', },
{ 'return_type': 'void',
'names': ['glGetShaderInfoLog'],
@@ -644,7 +621,8 @@ GL_FUNCTIONS = [
'names': ['glGetString'],
'arguments': 'GLenum name', },
{ 'return_type': 'void',
- 'names': ['glGetSynciv'],
+ 'versions': [{ 'name': 'glGetSynciv',
+ 'extensions': ['GL_ARB_sync'] }],
'arguments':
'GLsync sync, GLenum pname, GLsizei bufSize, GLsizei* length,'
'GLint* values', },
@@ -661,8 +639,7 @@ GL_FUNCTIONS = [
'names': ['glGetTexParameteriv'],
'arguments': 'GLenum target, GLenum pname, GLint* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetTransformFeedbackVarying',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glGetTransformFeedbackVarying' }],
'arguments': 'GLuint program, GLuint index, GLsizei bufSize, '
'GLsizei* length, GLenum* type, char* name', },
{ 'return_type': 'void',
@@ -670,15 +647,13 @@ GL_FUNCTIONS = [
'arguments':
'GLuint shader, GLsizei bufsize, GLsizei* length, char* source', },
{ 'return_type': 'GLuint',
- 'versions': [{ 'name': 'glGetUniformBlockIndex',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glGetUniformBlockIndex' }],
'arguments': 'GLuint program, const char* uniformBlockName', },
{ 'return_type': 'void',
'names': ['glGetUniformfv'],
'arguments': 'GLuint program, GLint location, GLfloat* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glGetUniformIndices',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glGetUniformIndices' }],
'arguments': 'GLuint program, GLsizei uniformCount, '
'const char* const* uniformNames, GLuint* uniformIndices', },
{ 'return_type': 'void',
@@ -703,13 +678,11 @@ GL_FUNCTIONS = [
'names': ['glInsertEventMarkerEXT'],
'arguments': 'GLsizei length, const char* marker', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glInvalidateFramebuffer',
- 'gl_versions': ['gl4', 'es3'] }], # GL 4.3 or higher.
+ 'versions': [{ 'name': 'glInvalidateFramebuffer' }],
'arguments': 'GLenum target, GLsizei numAttachments, '
'const GLenum* attachments' },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glInvalidateSubFramebuffer',
- 'gl_versions': ['gl4', 'es3'] }], # GL 4.3 or higher.
+ 'versions': [{ 'name': 'glInvalidateSubFramebuffer' }],
'arguments':
'GLenum target, GLsizei numAttachments, const GLenum* attachments, '
'GLint x, GLint y, GLint width, GLint height', },
@@ -734,38 +707,36 @@ GL_FUNCTIONS = [
'names': ['glIsProgram'],
'arguments': 'GLuint program', },
{ 'return_type': 'GLboolean',
- 'versions': [{ 'name': 'glIsQuery',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glIsQuery' }],
'arguments': 'GLuint query', },
{ 'return_type': 'GLboolean',
- 'names': ['glIsQueryARB', 'glIsQueryEXT'],
+ 'versions': [{ 'name': 'glIsQueryARB' },
+ { 'name': 'glIsQueryEXT',
+ 'extensions': ['GL_EXT_occlusion_query_boolean'] }],
'arguments': 'GLuint query', },
{ 'return_type': 'GLboolean',
'names': ['glIsRenderbufferEXT', 'glIsRenderbuffer'],
'arguments': 'GLuint renderbuffer', },
{ 'return_type': 'GLboolean',
- 'versions': [{ 'name': 'glIsSampler',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glIsSampler' }],
'arguments': 'GLuint sampler', },
{ 'return_type': 'GLboolean',
'names': ['glIsShader'],
'arguments': 'GLuint shader', },
{ 'return_type': 'GLboolean',
- 'names': ['glIsSync'],
+ 'versions': [{ 'name': 'glIsSync',
+ 'extensions': ['GL_ARB_sync'] }],
'arguments': 'GLsync sync', },
{ 'return_type': 'GLboolean',
'names': ['glIsTexture'],
'arguments': 'GLuint texture', },
{ 'return_type': 'GLboolean',
- 'versions': [{ 'name': 'glIsTransformFeedback',
- 'gl_versions': ['gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glIsTransformFeedback' }],
'arguments': 'GLuint id', },
{ 'return_type': 'GLboolean',
'known_as': 'glIsVertexArrayOES',
'versions': [{ 'name': 'glIsVertexArray',
- 'gl_versions': ['gl3', 'gl4', 'es3'] },
- { 'name': 'glIsVertexArray',
- 'extensions': ['GL_ARB_vertex_array_object'] },
+ 'extensions': ['GL_ARB_vertex_array_object'], },
{ 'name': 'glIsVertexArrayOES' },
{ 'name': 'glIsVertexArrayAPPLE',
'extensions': ['GL_APPLE_vertex_array_object'] }],
@@ -783,8 +754,6 @@ GL_FUNCTIONS = [
{ 'return_type': 'void*',
'known_as': 'glMapBufferRange',
'versions': [{ 'name': 'glMapBufferRange',
- 'gl_versions': ['gl3', 'gl4', 'es3'] },
- { 'name': 'glMapBufferRange',
'extensions': ['GL_ARB_map_buffer_range'] },
{ 'name': 'glMapBufferRangeEXT',
'extensions': ['GL_EXT_map_buffer_range'] }],
@@ -793,24 +762,17 @@ GL_FUNCTIONS = [
{ 'return_type': 'void',
'known_as': 'glMatrixLoadfEXT',
'versions': [{ 'name': 'glMatrixLoadfEXT',
- 'gl_versions': ['gl4'],
- 'extensions': ['GL_EXT_direct_state_access'] },
- { 'name': 'glMatrixLoadfEXT',
- 'gl_versions': ['es3'],
- 'extensions': ['GL_NV_path_rendering'] }],
+ 'extensions': ['GL_EXT_direct_state_access',
+ 'GL_NV_path_rendering'] }],
'arguments': 'GLenum matrixMode, const GLfloat* m' },
{ 'return_type': 'void',
'known_as': 'glMatrixLoadIdentityEXT',
'versions': [{ 'name': 'glMatrixLoadIdentityEXT',
- 'gl_versions': ['gl4'],
- 'extensions': ['GL_EXT_direct_state_access'] },
- { 'name': 'glMatrixLoadIdentityEXT',
- 'gl_versions': ['es3'],
- 'extensions': ['GL_NV_path_rendering'] }],
+ 'extensions': ['GL_EXT_direct_state_access',
+ 'GL_NV_path_rendering'] },],
'arguments': 'GLenum matrixMode' },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glPauseTransformFeedback',
- 'gl_versions': ['gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glPauseTransformFeedback' }],
'arguments': 'void', },
{ 'return_type': 'void',
'names': ['glPixelStorei'],
@@ -828,20 +790,20 @@ GL_FUNCTIONS = [
'known_as': 'glProgramBinary',
'versions': [{ 'name': 'glProgramBinaryOES' },
{ 'name': 'glProgramBinary',
- 'extensions': ['GL_ARB_get_program_binary'] },
- { 'name': 'glProgramBinary' }],
+ 'extensions': ['GL_ARB_get_program_binary'] }],
'arguments': 'GLuint program, GLenum binaryFormat, '
'const GLvoid* binary, GLsizei length' },
{ 'return_type': 'void',
'versions': [{ 'name': 'glProgramParameteri',
- 'extensions': ['GL_ARB_get_program_binary'] },
- { 'name': 'glProgramParameteri' }],
+ 'extensions': ['GL_ARB_get_program_binary'] }],
'arguments': 'GLuint program, GLenum pname, GLint value' },
{ 'return_type': 'void',
'names': ['glPushGroupMarkerEXT'],
'arguments': 'GLsizei length, const char* marker', },
{ 'return_type': 'void',
- 'names': ['glQueryCounter', 'glQueryCounterEXT'],
+ 'versions': [{ 'name': 'glQueryCounter',
+ 'extensions': ['GL_ARB_timer_query'] },
+ { 'name': 'glQueryCounterEXT' }],
'arguments': 'GLuint id, GLenum target', },
{ 'return_type': 'void',
'names': ['glReadBuffer'],
@@ -894,27 +856,22 @@ GL_FUNCTIONS = [
'arguments': 'GLenum target, GLsizei samples, GLenum internalformat, '
'GLsizei width, GLsizei height', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glResumeTransformFeedback',
- 'gl_versions': ['gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glResumeTransformFeedback' }],
'arguments': 'void', },
{ 'return_type': 'void',
'names': ['glSampleCoverage'],
'arguments': 'GLclampf value, GLboolean invert', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glSamplerParameterf',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glSamplerParameterf' }],
'arguments': 'GLuint sampler, GLenum pname, GLfloat param', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glSamplerParameterfv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glSamplerParameterfv' }],
'arguments': 'GLuint sampler, GLenum pname, const GLfloat* params', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glSamplerParameteri',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glSamplerParameteri' }],
'arguments': 'GLuint sampler, GLenum pname, GLint param', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glSamplerParameteriv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.2 or higher.
+ 'versions': [{ 'name': 'glSamplerParameteriv' }],
'arguments': 'GLuint sampler, GLenum pname, const GLint* params', },
{ 'return_type': 'void',
'names': ['glScissor'],
@@ -984,8 +941,7 @@ GL_FUNCTIONS = [
'GLsizei height, GLint border, GLenum format, GLenum type, '
'const void* pixels', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glTexImage3D',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glTexImage3D' }],
'arguments':
'GLenum target, GLint level, GLint internalformat, GLsizei width, '
'GLsizei height, GLsizei depth, GLint border, GLenum format, '
@@ -1005,16 +961,13 @@ GL_FUNCTIONS = [
{ 'return_type': 'void',
'known_as': 'glTexStorage2DEXT',
'versions': [{ 'name': 'glTexStorage2D',
- 'gl_versions': ['es3'] },
- { 'name': 'glTexStorage2D',
'extensions': ['GL_ARB_texture_storage'] },
{ 'name': 'glTexStorage2DEXT',
'extensions': ['GL_EXT_texture_storage'] }],
'arguments': 'GLenum target, GLsizei levels, GLenum internalformat, '
'GLsizei width, GLsizei height', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glTexStorage3D',
- 'gl_versions': ['gl4', 'es3'] }], # GL 4.2 or higher.
+ 'versions': [{ 'name': 'glTexStorage3D' }],
'arguments': 'GLenum target, GLsizei levels, GLenum internalformat, '
'GLsizei width, GLsizei height, GLsizei depth', },
{ 'return_type': 'void',
@@ -1025,15 +978,13 @@ GL_FUNCTIONS = [
'const void* pixels', },
# TODO(zmo): wait for MOCK_METHOD11.
# { 'return_type': 'void',
-# 'versions': [{ 'name': 'glTexSubImage3D',
-# 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+# 'versions': [{ 'name': 'glTexSubImage3D' }],
# 'arguments':
# 'GLenum target, GLint level, GLint xoffset, GLint yoffset, '
# 'GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, '
# 'GLenum format, GLenum type, const void* pixels', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glTransformFeedbackVaryings',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glTransformFeedbackVaryings' }],
'arguments': 'GLuint program, GLsizei count, const char* const* varyings, '
'GLenum bufferMode', },
{ 'return_type': 'void',
@@ -1049,12 +1000,10 @@ GL_FUNCTIONS = [
'names': ['glUniform1iv'],
'arguments': 'GLint location, GLsizei count, const GLint* v', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform1ui',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform1ui' }],
'arguments': 'GLint location, GLuint v0', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform1uiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform1uiv' }],
'arguments': 'GLint location, GLsizei count, const GLuint* v', },
{ 'return_type': 'void',
'names': ['glUniform2f'],
@@ -1069,12 +1018,10 @@ GL_FUNCTIONS = [
'names': ['glUniform2iv'],
'arguments': 'GLint location, GLsizei count, const GLint* v', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform2ui',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform2ui' }],
'arguments': 'GLint location, GLuint v0, GLuint v1', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform2uiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform2uiv' }],
'arguments': 'GLint location, GLsizei count, const GLuint* v', },
{ 'return_type': 'void',
'names': ['glUniform3f'],
@@ -1089,12 +1036,10 @@ GL_FUNCTIONS = [
'names': ['glUniform3iv'],
'arguments': 'GLint location, GLsizei count, const GLint* v', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform3ui',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform3ui' }],
'arguments': 'GLint location, GLuint v0, GLuint v1, GLuint v2', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform3uiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform3uiv' }],
'arguments': 'GLint location, GLsizei count, const GLuint* v', },
{ 'return_type': 'void',
'names': ['glUniform4f'],
@@ -1109,16 +1054,13 @@ GL_FUNCTIONS = [
'names': ['glUniform4iv'],
'arguments': 'GLint location, GLsizei count, const GLint* v', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform4ui',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform4ui' }],
'arguments': 'GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniform4uiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniform4uiv' }],
'arguments': 'GLint location, GLsizei count, const GLuint* v', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformBlockBinding',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }], # GL 3.1 or higher.
+ 'versions': [{ 'name': 'glUniformBlockBinding' }],
'arguments': 'GLuint program, GLuint uniformBlockIndex, '
'GLuint uniformBlockBinding', },
{ 'return_type': 'void',
@@ -1126,13 +1068,11 @@ GL_FUNCTIONS = [
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformMatrix2x3fv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniformMatrix2x3fv' }],
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformMatrix2x4fv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniformMatrix2x4fv' }],
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
@@ -1140,13 +1080,11 @@ GL_FUNCTIONS = [
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformMatrix3x2fv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniformMatrix3x2fv' }],
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformMatrix3x4fv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniformMatrix3x4fv' }],
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
@@ -1154,13 +1092,11 @@ GL_FUNCTIONS = [
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformMatrix4x2fv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniformMatrix4x2fv' }],
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glUniformMatrix4x3fv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glUniformMatrix4x3fv' }],
'arguments': 'GLint location, GLsizei count, '
'GLboolean transpose, const GLfloat* value', },
{ 'return_type': 'GLboolean',
@@ -1204,24 +1140,19 @@ GL_FUNCTIONS = [
'arguments':
'GLuint index, GLuint divisor', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glVertexAttribI4i',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glVertexAttribI4i' }],
'arguments': 'GLuint indx, GLint x, GLint y, GLint z, GLint w', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glVertexAttribI4iv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glVertexAttribI4iv' }],
'arguments': 'GLuint indx, const GLint* values', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glVertexAttribI4ui',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glVertexAttribI4ui' }],
'arguments': 'GLuint indx, GLuint x, GLuint y, GLuint z, GLuint w', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glVertexAttribI4uiv',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glVertexAttribI4uiv' }],
'arguments': 'GLuint indx, const GLuint* values', },
{ 'return_type': 'void',
- 'versions': [{ 'name': 'glVertexAttribIPointer',
- 'gl_versions': ['gl3', 'gl4', 'es3'] }],
+ 'versions': [{ 'name': 'glVertexAttribIPointer' }],
'arguments': 'GLuint indx, GLint size, GLenum type, GLsizei stride, '
'const void* ptr', },
{ 'return_type': 'void',
@@ -1232,7 +1163,8 @@ GL_FUNCTIONS = [
'names': ['glViewport'],
'arguments': 'GLint x, GLint y, GLsizei width, GLsizei height', },
{ 'return_type': 'GLenum',
- 'names': ['glWaitSync'],
+ 'versions': [{ 'name': 'glWaitSync',
+ 'extensions': ['GL_ARB_sync'] }],
'arguments':
'GLsync sync, GLbitfield flags, GLuint64 timeout', },
]
@@ -1675,8 +1607,11 @@ GLX_FUNCTIONS = [
FUNCTION_SETS = [
[GL_FUNCTIONS, 'gl', [
+ 'GL/gl.h',
'GL/glext.h',
'GLES2/gl2ext.h',
+ 'GLES3/gl3.h',
+ 'GLES3/gl31.h',
# Files below are Chromium-specific and shipped with Chromium sources.
'GL/glextchromium.h',
'GLES2/gl2chromium.h',
@@ -1720,6 +1655,49 @@ LICENSE_AND_HEADER = """\
"""
+GLVersion = namedtuple('GLVersion', 'is_es major_version minor_version')
+
+def GLVersionBindAlways(version):
+ return version.major_version <= 2
+
+
+def GetStaticBinding(func):
+ """If this function has a name assigned to it that should be bound always,
+ then return this name.
+
+ This will be the case if either a function name is specified
+ that depends on an extension from UNCONDITIONALLY_BOUND_EXTENSIONS,
+ or if the GL version it depends on is assumed to be available (e.g. <=2.1).
+ There can only be one name that satisfies this condition (or the bindings
+ would be ambiguous)."""
+
+ static_bindings = set([])
+
+ for version in func['versions']:
+ if 'extensions' in version:
+ extensions = version['extensions']
+ num_unconditional_extensions = len(
+ extensions & UNCONDITIONALLY_BOUND_EXTENSIONS)
+ if num_unconditional_extensions:
+ static_bindings.add(version['name'])
+ elif 'gl_versions' in version:
+ versions = [v for v in version['gl_versions'] if GLVersionBindAlways(v)]
+ # It's only unconditional if it exists in GL and GLES
+ if len(versions) == 2:
+ assert versions[0].is_es != versions[1].is_es
+ static_bindings.add(version['name'])
+ else:
+ static_bindings.add(version['name'])
+
+ # Avoid ambiguous bindings
+ assert len(static_bindings) <= 1
+
+ if len(static_bindings):
+ return static_bindings.pop()
+ else:
+ return None
+
+
def GenerateHeader(file, functions, set_name, used_extensions):
"""Generates gl_bindings_autogen_x.h"""
@@ -1831,6 +1809,7 @@ def GenerateSource(file, functions, set_name, used_extensions):
'ui/gl/gl_implementation.h',
'ui/gl/gl_version_info.h',
set_header_name ]
+
includes_string = "\n".join(["#include \"{0}\"".format(h)
for h in sorted(include_list)])
@@ -1854,9 +1833,13 @@ namespace gfx {
# is initialized. This is done to provide clear asserts on debug build and to
# avoid crashing in case of a bug on release build.
file.write('\n')
+ num_dynamic = 0
for func in functions:
- unique_names = set([version['name'] for version in func['versions']])
- if len(unique_names) > 1:
+ static_binding = GetStaticBinding(func)
+ if static_binding:
+ func['static_binding'] = static_binding
+ else:
+ num_dynamic = num_dynamic + 1
file.write('%s %sNotBound(%s) {\n' %
(func['return_type'], func['known_as'], func['arguments']))
file.write(' NOTREACHED();\n')
@@ -1866,6 +1849,9 @@ namespace gfx {
file.write(' return 0;\n')
file.write('}\n')
+ print "[%s] %d static bindings, %d dynamic bindings" % (
+ set_name, len(functions) - num_dynamic, num_dynamic)
+
# Write function to initialize the function pointers that are always the same
# and to initialize bindings where choice of the function depends on the
# extension string or the GL version to point to stub functions.
@@ -1879,102 +1865,106 @@ namespace gfx {
(known_as, known_as, version_name))
for func in functions:
- unique_names = set([version['name'] for version in func['versions']])
- if len(unique_names) == 1:
- WriteFuncBinding(file, func['known_as'], func['known_as'])
+ if 'static_binding' in func:
+ WriteFuncBinding(file, func['known_as'], func['static_binding'])
else:
file.write(' fn.%sFn = reinterpret_cast<%sProc>(%sNotBound);\n' %
(func['known_as'], func['known_as'], func['known_as']))
- file.write('}\n')
- file.write('\n')
-
- # Write function to initialize bindings where choice of the function depends
- # on the extension string or the GL version.
- file.write("""void Driver%s::InitializeDynamicBindings(GLContext* context) {
+ if set_name == 'gl':
+ # Write the deferred bindings for GL that need a current context and depend
+ # on GL_VERSION and GL_EXTENSIONS.
+ file.write('}\n\n')
+ file.write("""void DriverGL::InitializeDynamicBindings(GLContext* context) {
DCHECK(context && context->IsCurrent(NULL));
const GLVersionInfo* ver = context->GetVersionInfo();
ALLOW_UNUSED_LOCAL(ver);
std::string extensions = context->GetExtensions() + " ";
ALLOW_UNUSED_LOCAL(extensions);
-""" % set_name.upper())
+""")
+ else:
+ file.write("""std::string extensions(GetPlatformExtensions());
+ extensions += " ";
+ ALLOW_UNUSED_LOCAL(extensions);
+
+""")
+
for extension in sorted(used_extensions):
# Extra space at the end of the extension name is intentional, it is used
# as a separator
file.write(' ext.b_%s = extensions.find("%s ") != std::string::npos;\n' %
(extension, extension))
- def WrapOr(cond):
- if ' || ' in cond:
- return '(%s)' % cond
- return cond
+ def WrapOp(condition_list, op):
+ spaced_op = ' %s ' % op
+ joined_cond = spaced_op.join([c for c in condition_list if c])
+ if spaced_op in joined_cond:
+ return '(%s)' % joined_cond
+ return joined_cond
+
+ def GetGLMajorMinorCondition(gl_version):
+ if GLVersionBindAlways(gl_version):
+ return None
+ if gl_version.minor_version > 0:
+ return '(ver->major_version > %du || (ver->major_version == %du &&\
+ ver->minor_version >= %du))' % (
+ gl_version.major_version, gl_version.major_version,
+ gl_version.minor_version)
+ else:
+ return '(ver->major_version >= %du)' % gl_version.major_version
- def WrapAnd(cond):
- if ' && ' in cond:
- return '(%s)' % cond
- return cond
+ def GetIsESCondition(gl_version):
+ if gl_version.is_es:
+ return 'ver->is_es'
+ else:
+ return '!ver->is_es'
def VersionCondition(version):
conditions = []
if 'gl_versions' in version:
gl_versions = version['gl_versions']
- version_cond = ' || '.join(['ver->is_%s' % gl for gl in gl_versions])
- conditions.append(WrapOr(version_cond))
+
+ or_cond = []
+ for v in gl_versions:
+ or_cond.append(WrapOp(
+ [GetIsESCondition(v), GetGLMajorMinorCondition(v)], '&&'))
+
+ conditions.append(WrapOp(or_cond, '||'))
if 'extensions' in version and version['extensions']:
- ext_cond = ' || '.join(['ext.b_%s' % e for e in version['extensions']])
- conditions.append(WrapOr(ext_cond))
- return ' && '.join(conditions)
+ conditions.append(WrapOp(
+ ['ext.b_%s' % e for e in version['extensions']], '||'))
+ return ' || '.join(conditions)
def WriteConditionalFuncBinding(file, func):
- # Functions with only one version are always bound unconditionally
- assert len(func['versions']) > 1
+ assert len(func['versions']) > 0
known_as = func['known_as']
i = 0
first_version = True
while i < len(func['versions']):
version = func['versions'][i]
cond = VersionCondition(version)
- combined_conditions = [WrapAnd(cond)]
- last_version = i + 1 == len(func['versions'])
- while not last_version and \
- func['versions'][i + 1]['name'] == version['name']:
- i += 1
- combinable_cond = VersionCondition(func['versions'][i])
- combined_conditions.append(WrapAnd(combinable_cond))
- last_version = i + 1 == len(func['versions'])
- if len(combined_conditions) > 1:
- if [1 for cond in combined_conditions if cond == '']:
- cond = ''
- else:
- cond = ' || '.join(combined_conditions)
- # Don't make the last possible binding conditional on anything else but
- # that the function isn't already bound to avoid verbose specification
- # of functions which have both ARB and core versions with the same name,
- # and to be able to bind to mock extension functions in unit tests which
- # call InitializeDynamicGLBindings with a stub context that doesn't have
- # extensions in its extension string.
- # TODO(oetuaho@nvidia.com): Get rid of the fallback.
- # http://crbug.com/325668
- if cond != '' and not last_version:
- if not first_version:
- file.write(' if (!fn.%sFn && (%s)) {\n ' % (known_as, cond))
- else:
- file.write(' if (%s) {\n ' % cond)
- elif not first_version:
- file.write(' if (!fn.%sFn) {\n ' % known_as)
+ if first_version:
+ file.write(' if (%s) {\n ' % cond)
+ else:
+ file.write(' else if (%s) {\n ' % (cond))
+
WriteFuncBinding(file, known_as, version['name'])
file.write('}\n')
i += 1
first_version = False
for func in functions:
- unique_names = set([version['name'] for version in func['versions']])
- if len(unique_names) > 1:
+ if not 'static_binding' in func:
file.write('\n')
file.write(' fn.%sFn = 0;\n' % func['known_as'])
file.write(' debug_fn.%sFn = 0;\n' % func['known_as'])
WriteConditionalFuncBinding(file, func)
+ file.write('else {\n')
+ file.write(' fn.%sFn = reinterpret_cast<%sProc>(%sNotBound);\n' %
+ (func['known_as'], func['known_as'], func['known_as']))
+ file.write('}\n')
+ file.write('DCHECK(fn.%sFn);\n' % func['known_as'])
# Some new function pointers have been added, so update them in debug bindings
file.write('\n')
@@ -2275,15 +2265,19 @@ const size_t GLEnums::enum_to_string_table_len_ =
""")
-def ParseExtensionFunctionsFromHeader(header_file):
+def ParseFunctionsFromHeader(header_file, extensions, versions):
"""Parse a C extension header file and return a map from extension names to
a list of functions.
Args:
header_file: Line-iterable C header file.
Returns:
- Map of extension name => functions.
+ Map of extension name => functions, Map of gl version => functions.
+ Functions will only be in either one of the two maps.
+ Core GL 1.x, 2.x and GLES2 functions are not returned.
"""
+ version_start = re.compile(
+ r'#ifndef GL_(ES_|)VERSION((?:_[0-9])+)$')
extension_start = re.compile(
r'#ifndef ((?:GL|EGL|WGL|GLX)_[A-Z]+_[a-zA-Z]\w+)')
extension_function = re.compile(r'.+\s+([a-z]+\w+)\s*\(')
@@ -2291,59 +2285,109 @@ def ParseExtensionFunctionsFromHeader(header_file):
macro_start = re.compile(r'^#(if|ifdef|ifndef).*')
macro_end = re.compile(r'^#endif.*')
macro_depth = 0
+ current_version = None
+ current_version_depth = 0
current_extension = None
current_extension_depth = 0
- extensions = collections.defaultdict(lambda: [])
+
+ # Pick up all core functions here, since some of them are missing in the
+ # Khronos headers.
+ hdr = os.path.basename(header_file.name)
+ if hdr == "gl.h":
+ current_version = GLVersion(False, 1, 0)
+
+ line_num = 1
for line in header_file:
+ version_match = version_start.match(line)
if macro_start.match(line):
macro_depth += 1
+ if version_match:
+ if current_version:
+ raise RuntimeError('Nested GL version macro in %s at line %d' % (
+ header_file.name, line_num))
+ current_version_depth = macro_depth
+ es = version_match.group(1)
+ major_version, minor_version =\
+ version_match.group(2).lstrip('_').split('_')
+ is_es = len(es) > 0
+ if not is_es and major_version == '1':
+ minor_version = 0
+ current_version = GLVersion(
+ is_es, int(major_version), int(minor_version))
elif macro_end.match(line):
macro_depth -= 1
if macro_depth < current_extension_depth:
current_extension = None
+ if macro_depth < current_version_depth:
+ current_version = None
+
match = extension_start.match(line)
- if match:
+ if match and not version_match:
+ if current_version and hdr != "gl.h":
+ raise RuntimeError('Nested GL version macro in %s at line %d' % (
+ header_file.name, line_num))
current_extension = match.group(1)
current_extension_depth = macro_depth
- assert current_extension not in extensions, \
- "Duplicate extension: " + current_extension
+
match = extension_function.match(line)
- if match and current_extension and not typedef.match(line):
- extensions[current_extension].append(match.group(1))
- return extensions
+ if match and not typedef.match(line):
+ if current_extension:
+ extensions[current_extension].add(match.group(1))
+ elif current_version:
+ versions[current_version].add(match.group(1))
+ line_num = line_num + 1
-def GetExtensionFunctions(extension_headers):
- """Parse extension functions from a list of header files.
+def GetDynamicFunctions(extension_headers):
+ """Parse all optional functions from a list of header files.
Args:
extension_headers: List of header file names.
Returns:
- Map of extension name => list of functions.
+ Map of extension name => list of functions,
+ Map of gl version => list of functions.
"""
- extensions = {}
+ extensions = collections.defaultdict(lambda: set([]))
+ gl_versions = collections.defaultdict(lambda: set([]))
for header in extension_headers:
- extensions.update(ParseExtensionFunctionsFromHeader(open(header)))
- return extensions
+ ParseFunctionsFromHeader(open(header), extensions, gl_versions)
+ return extensions, gl_versions
-def GetFunctionToExtensionMap(extensions):
+def GetFunctionToExtensionsMap(extensions):
"""Construct map from a function names to extensions which define the
function.
Args:
extensions: Map of extension name => functions.
Returns:
- Map of function name => extension name.
+ Map of function name => extension names.
"""
function_to_extensions = {}
for extension, functions in extensions.items():
for function in functions:
if not function in function_to_extensions:
- function_to_extensions[function] = []
- function_to_extensions[function].append(extension)
+ function_to_extensions[function] = set([])
+ function_to_extensions[function].add(extension)
return function_to_extensions
+def GetFunctionToGLVersionsMap(gl_versions):
+ """Construct map from a function names to GL versions which define the
+ function.
+
+ Args:
+ extensions: Map of gl versions => functions.
+ Returns:
+ Map of function name => gl versions.
+ """
+ function_to_gl_versions = {}
+ for gl_version, functions in gl_versions.items():
+ for function in functions:
+ if not function in function_to_gl_versions:
+ function_to_gl_versions[function] = set([])
+ function_to_gl_versions[function].add(gl_version)
+ return function_to_gl_versions
+
def LooksLikeExtensionFunction(function):
"""Heuristic to see if a function name is consistent with extension function
@@ -2352,6 +2396,13 @@ def LooksLikeExtensionFunction(function):
return vendor is not None and not vendor.group(1) in ['GL', 'API', 'DC']
+def SortVersions(key):
+ # Prefer functions from the core for binding
+ if 'gl_versions' in key:
+ return 0
+ else:
+ return 1
+
def FillExtensionsFromHeaders(functions, extension_headers, extra_extensions):
"""Determine which functions belong to extensions based on extension headers,
and fill in this information to the functions table for functions that don't
@@ -2365,31 +2416,71 @@ def FillExtensionsFromHeaders(functions, extension_headers, extra_extensions):
Set of used extensions.
"""
# Parse known extensions.
- extensions = GetExtensionFunctions(extension_headers)
- functions_to_extensions = GetFunctionToExtensionMap(extensions)
+ extensions, gl_versions = GetDynamicFunctions(extension_headers)
+ functions_to_extensions = GetFunctionToExtensionsMap(extensions)
+ functions_to_gl_versions = GetFunctionToGLVersionsMap(gl_versions)
# Fill in the extension information.
used_extensions = set()
+ used_functions_by_version = collections.defaultdict(lambda: set([]))
for func in functions:
for version in func['versions']:
name = version['name']
+
+ # There should only be one version entry per name string.
+ if len([v for v in func['versions'] if v['name'] == name]) > 1:
+ raise RuntimeError(
+ 'Duplicate version entries with same name for %s' % name)
+
# Make sure we know about all extensions and extension functions.
+ extensions_from_headers = set([])
+ if name in functions_to_extensions:
+ extensions_from_headers = set(functions_to_extensions[name])
+
+ explicit_extensions = set([])
+ if 'extensions' in version:
+ explicit_extensions = set(version['extensions'])
+
+ in_both = explicit_extensions.intersection(extensions_from_headers)
+ if len(in_both):
+ print "[%s] Specified redundant extensions for binding: %s" % (
+ name, ', '.join(in_both))
+ diff = explicit_extensions - extensions_from_headers
+ if len(diff):
+ print "[%s] Specified extra extensions for binding: %s" % (
+ name, ', '.join(diff))
+
+ all_extensions = extensions_from_headers.union(explicit_extensions)
+ if len(all_extensions):
+ version['extensions'] = all_extensions
+
if 'extensions' in version:
+ assert len(version['extensions'])
used_extensions.update(version['extensions'])
- elif name in functions_to_extensions:
- # If there are multiple versions with the same name, assume that they
- # already have all the correct conditions, we can't just blindly add
- # the same extension conditions to all of them
- if len([v for v in func['versions'] if v['name'] == name]) == 1:
- version['extensions'] = functions_to_extensions[name]
- used_extensions.update(version['extensions'])
- elif LooksLikeExtensionFunction(name):
+
+ if not 'extensions' in version and LooksLikeExtensionFunction(name):
raise RuntimeError('%s looks like an extension function but does not '
'belong to any of the known extensions.' % name)
+ if name in functions_to_gl_versions:
+ assert not 'gl_versions' in version
+ version['gl_versions'] = functions_to_gl_versions[name]
+ for v in version['gl_versions']:
+ used_functions_by_version[v].add(name)
+
+ func['versions'] = sorted(func['versions'], key=SortVersions)
+
# Add extensions that do not have any functions.
used_extensions.update(extra_extensions)
+ # Print out used function count by GL(ES) version.
+ for v in sorted([v for v in used_functions_by_version if v.is_es]):
+ print "OpenGL ES %d.%d: %d used functions" % (
+ v.major_version, v.minor_version, len(used_functions_by_version[v]))
+ for v in sorted([v for v in used_functions_by_version if not v.is_es]):
+ print "OpenGL %d.%d: %d used functions" % (
+ v.major_version, v.minor_version, len(used_functions_by_version[v]))
+
return used_extensions
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