GrGLFunctions.h revision 626e1ffe84c24a969dc56ca70ab2e950bf5034c4 
1
2/*
3 * Copyright 2012 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9#ifndef GrGLFunctions_DEFINED
10#define GrGLFunctions_DEFINED
11
12#include "GrGLConfig.h"
13
14
15extern "C" {
16
17////////////////////////////////////////////////////////////////////////////////
18
19/**
20 * Classifies GL contexts by which standard they implement (currently as Desktop
21 * vs. ES).
22 */
23enum GrGLStandard {
24    kNone_GrGLStandard,
25    kGL_GrGLStandard,
26    kGLES_GrGLStandard,
27};
28static const int kGrGLStandardCnt = 3;
29
30///////////////////////////////////////////////////////////////////////////////
31
32/**
33 * Declares typedefs for all the GL functions used in GrGLInterface
34 */
35
36typedef unsigned int GrGLenum;
37typedef unsigned char GrGLboolean;
38typedef unsigned int GrGLbitfield;
39typedef signed char GrGLbyte;
40typedef char GrGLchar;
41typedef short GrGLshort;
42typedef int GrGLint;
43typedef int GrGLsizei;
44typedef int64_t GrGLint64;
45typedef unsigned char GrGLubyte;
46typedef unsigned short GrGLushort;
47typedef unsigned int GrGLuint;
48typedef uint64_t GrGLuint64;
49typedef float GrGLfloat;
50typedef float GrGLclampf;
51typedef double GrGLdouble;
52typedef double GrGLclampd;
53typedef void GrGLvoid;
54#ifndef SK_IGNORE_64BIT_OPENGL_CHANGES
55#ifdef _WIN64
56typedef signed long long int GrGLintptr;
57typedef signed long long int GrGLsizeiptr;
58#else
59typedef signed long int GrGLintptr;
60typedef signed long int GrGLsizeiptr;
61#endif
62#else
63typedef signed long int GrGLintptr;
64typedef signed long int GrGLsizeiptr;
65#endif
66
67typedef void (GR_GL_FUNCTION_TYPE* GRGLDEBUGPROC)(GrGLenum source,
68                                                  GrGLenum type,
69                                                  GrGLuint id,
70                                                  GrGLenum severity,
71                                                  GrGLsizei length,
72                                                  const GrGLchar* message,
73                                                  const void* userParam);
74
75///////////////////////////////////////////////////////////////////////////////
76
77typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLActiveTextureProc)(GrGLenum texture);
78typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLAttachShaderProc)(GrGLuint program, GrGLuint shader);
79typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBeginQueryProc)(GrGLenum target, GrGLuint id);
80typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindAttribLocationProc)(GrGLuint program, GrGLuint index, const char* name);
81typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindBufferProc)(GrGLenum target, GrGLuint buffer);
82typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFramebufferProc)(GrGLenum target, GrGLuint framebuffer);
83typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindRenderbufferProc)(GrGLenum target, GrGLuint renderbuffer);
84typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindTextureProc)(GrGLenum target, GrGLuint texture);
85typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragDataLocationProc)(GrGLuint program, GrGLuint colorNumber, const GrGLchar* name);
86typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragDataLocationIndexedProc)(GrGLuint program, GrGLuint colorNumber, GrGLuint index, const GrGLchar * name);
87typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindVertexArrayProc)(GrGLuint array);
88typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendBarrierProc)();
89typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha);
90typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendEquationProc)(GrGLenum mode);
91typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendFuncProc)(GrGLenum sfactor, GrGLenum dfactor);
92typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlitFramebufferProc)(GrGLint srcX0, GrGLint srcY0, GrGLint srcX1, GrGLint srcY1, GrGLint dstX0, GrGLint dstY0, GrGLint dstX1, GrGLint dstY1, GrGLbitfield mask, GrGLenum filter);
93typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBufferDataProc)(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data, GrGLenum usage);
94typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBufferSubDataProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid* data);
95typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLCheckFramebufferStatusProc)(GrGLenum target);
96typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearProc)(GrGLbitfield mask);
97typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha);
98typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearStencilProc)(GrGLint s);
99typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClientActiveTextureProc)(GrGLenum texture);
100typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLColorMaskProc)(GrGLboolean red, GrGLboolean green, GrGLboolean blue, GrGLboolean alpha);
101typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompileShaderProc)(GrGLuint shader);
102typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTexImage2DProc)(GrGLenum target, GrGLint level, GrGLenum internalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLsizei imageSize, const GrGLvoid* data);
103typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLsizei imageSize, const GrGLvoid* data);
104typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
105typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureCHROMIUMProc)(GrGLenum target, GrGLenum src, GrGLenum dst, GrGLint level, GrGLint format, GrGLenum type);
106typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLCreateProgramProc)(void);
107typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLCreateShaderProc)(GrGLenum type);
108typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCullFaceProc)(GrGLenum mode);
109typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteBuffersProc)(GrGLsizei n, const GrGLuint* buffers);
110typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteFramebuffersProc)(GrGLsizei n, const GrGLuint *framebuffers);
111typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteProgramProc)(GrGLuint program);
112typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteQueriesProc)(GrGLsizei n, const GrGLuint *ids);
113typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteRenderbuffersProc)(GrGLsizei n, const GrGLuint *renderbuffers);
114typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteShaderProc)(GrGLuint shader);
115typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteTexturesProc)(GrGLsizei n, const GrGLuint* textures);
116typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteVertexArraysProc)(GrGLsizei n, const GrGLuint *arrays);
117typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDepthMaskProc)(GrGLboolean flag);
118typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableProc)(GrGLenum cap);
119typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexAttribArrayProc)(GrGLuint index);
120typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawArraysProc)(GrGLenum mode, GrGLint first, GrGLsizei count);
121typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawBufferProc)(GrGLenum mode);
122typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawBuffersProc)(GrGLsizei n, const GrGLenum* bufs);
123typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawElementsProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid* indices);
124typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableProc)(GrGLenum cap);
125typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexAttribArrayProc)(GrGLuint index);
126typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEndQueryProc)(GrGLenum target);
127typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFinishProc)();
128typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushProc)();
129typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushMappedBufferRangeProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length);
130typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferRenderbufferProc)(GrGLenum target, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer);
131typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferTexture2DProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
132typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferTexture2DMultisampleProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLsizei samples);
133typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFrontFaceProc)(GrGLenum mode);
134typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenBuffersProc)(GrGLsizei n, GrGLuint* buffers);
135typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenFramebuffersProc)(GrGLsizei n, GrGLuint *framebuffers);
136typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenerateMipmapProc)(GrGLenum target);
137typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenQueriesProc)(GrGLsizei n, GrGLuint *ids);
138typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenRenderbuffersProc)(GrGLsizei n, GrGLuint *renderbuffers);
139typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenTexturesProc)(GrGLsizei n, GrGLuint* textures);
140typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenVertexArraysProc)(GrGLsizei n, GrGLuint *arrays);
141typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetBufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params);
142typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLGetErrorProc)();
143typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetFramebufferAttachmentParameterivProc)(GrGLenum target, GrGLenum attachment, GrGLenum pname, GrGLint* params);
144typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetIntegervProc)(GrGLenum pname, GrGLint* params);
145typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetProgramInfoLogProc)(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, char* infolog);
146typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetProgramivProc)(GrGLuint program, GrGLenum pname, GrGLint* params);
147typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryivProc)(GrGLenum GLtarget, GrGLenum pname, GrGLint *params);
148typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjecti64vProc)(GrGLuint id, GrGLenum pname, GrGLint64 *params);
149typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectivProc)(GrGLuint id, GrGLenum pname, GrGLint *params);
150typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectui64vProc)(GrGLuint id, GrGLenum pname, GrGLuint64 *params);
151typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectuivProc)(GrGLuint id, GrGLenum pname, GrGLuint *params);
152typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetRenderbufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params);
153typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderInfoLogProc)(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length, char* infolog);
154typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderivProc)(GrGLuint shader, GrGLenum pname, GrGLint* params);
155typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderPrecisionFormatProc)(GrGLenum shadertype, GrGLenum precisiontype, GrGLint *range, GrGLint *precision);
156typedef const GrGLubyte* (GR_GL_FUNCTION_TYPE* GrGLGetStringProc)(GrGLenum name);
157typedef const GrGLubyte* (GR_GL_FUNCTION_TYPE* GrGLGetStringiProc)(GrGLenum name, GrGLuint index);
158typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTexLevelParameterivProc)(GrGLenum target, GrGLint level, GrGLenum pname, GrGLint* params);
159typedef GrGLint (GR_GL_FUNCTION_TYPE* GrGLGetUniformLocationProc)(GrGLuint program, const char* name);
160typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInsertEventMarkerProc)(GrGLsizei length, const char* marker);
161typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateBufferDataProc)(GrGLuint buffer);
162typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length);
163typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateFramebufferProc)(GrGLenum target, GrGLsizei numAttachments,  const GrGLenum *attachments);
164typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateSubFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum *attachments, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
165typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateTexImageProc)(GrGLuint texture, GrGLint level);
166typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateTexSubImageProc)(GrGLuint texture, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth);
167typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLineWidthProc)(GrGLfloat width);
168typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLinkProgramProc)(GrGLuint program);
169typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferProc)(GrGLenum target, GrGLenum access);
170typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferRangeProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length, GrGLbitfield access);
171typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferSubDataProc)(GrGLuint target, GrGLintptr offset, GrGLsizeiptr size, GrGLenum access);
172typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLenum access);
173typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPixelStoreiProc)(GrGLenum pname, GrGLint param);
174typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPopGroupMarkerProc)();
175typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPushGroupMarkerProc)(GrGLsizei length, const char* marker);
176typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLQueryCounterProc)(GrGLuint id, GrGLenum target);
177typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRasterSamplesProc)(GrGLuint samples, GrGLboolean fixedsamplelocations);
178typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadBufferProc)(GrGLenum src);
179typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadPixelsProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLvoid* pixels);
180typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageProc)(GrGLenum target, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
181typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageMultisampleProc)(GrGLenum target, GrGLsizei samples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
182typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLResolveMultisampleFramebufferProc)();
183typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLScissorProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
184typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindUniformLocation)(GrGLuint program, GrGLint location, const char* name);
185
186#if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE
187typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char* const * str, const GrGLint* length);
188#else
189typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length);
190#endif
191typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
192typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncSeparateProc)(GrGLenum face, GrGLenum func, GrGLint ref, GrGLuint mask);
193typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskProc)(GrGLuint mask);
194typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskSeparateProc)(GrGLenum face, GrGLuint mask);
195typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilOpProc)(GrGLenum fail, GrGLenum zfail, GrGLenum zpass);
196typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilOpSeparateProc)(GrGLenum face, GrGLenum fail, GrGLenum zfail, GrGLenum zpass);
197typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexImage2DProc)(GrGLenum target, GrGLint level, GrGLint internalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid* pixels);
198typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexParameteriProc)(GrGLenum target, GrGLenum pname, GrGLint param);
199typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexParameterivProc)(GrGLenum target, GrGLenum pname, const GrGLint* params);
200typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexStorage2DProc)(GrGLenum target, GrGLsizei levels, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
201typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDiscardFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum* attachments);
202typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, const GrGLvoid* pixels);
203typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureBarrierProc)();
204typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1fProc)(GrGLint location, GrGLfloat v0);
205typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1iProc)(GrGLint location, GrGLint v0);
206typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
207typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
208typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1);
209typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2iProc)(GrGLint location, GrGLint v0, GrGLint v1);
210typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
211typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
212typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2);
213typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2);
214typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
215typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
216typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2, GrGLfloat v3);
217typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3);
218typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
219typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
220typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix2fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
221typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix3fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
222typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix4fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
223typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLUnmapBufferProc)(GrGLenum target);
224typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUnmapBufferSubDataProc)(const GrGLvoid* mem);
225typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUnmapTexSubImage2DProc)(const GrGLvoid* mem);
226typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUseProgramProc)(GrGLuint program);
227typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib1fProc)(GrGLuint indx, const GrGLfloat value);
228typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib2fvProc)(GrGLuint indx, const GrGLfloat* values);
229typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib3fvProc)(GrGLuint indx, const GrGLfloat* values);
230typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib4fvProc)(GrGLuint indx, const GrGLfloat* values);
231typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, const GrGLvoid* ptr);
232typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLViewportProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
233
234/* GL_NV_path_rendering */
235typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMatrixLoadfProc)(GrGLenum matrixMode, const GrGLfloat* m);
236typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMatrixLoadIdentityProc)(GrGLenum);
237typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCommandsProc)(GrGLuint path, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
238typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCoordsProc)(GrGLuint path, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
239typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathSubCoordsProc)(GrGLuint path, GrGLsizei coordStart, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
240typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStringProc)(GrGLuint path, GrGLenum format, GrGLsizei length, const GrGLvoid *pathString);
241typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathGlyphsProc)(GrGLuint firstPathName, GrGLenum fontTarget, const GrGLvoid *fontName, GrGLbitfield fontStyle, GrGLsizei numGlyphs, GrGLenum type, const GrGLvoid *charcodes, GrGLenum handleMissingGlyphs, GrGLuint pathParameterTemplate, GrGLfloat emScale);
242typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathGlyphRangeProc)(GrGLuint firstPathName, GrGLenum fontTarget, const GrGLvoid *fontName, GrGLbitfield fontStyle, GrGLuint firstGlyph, GrGLsizei numGlyphs, GrGLenum handleMissingGlyphs, GrGLuint pathParameterTemplate, GrGLfloat emScale);
243typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLWeightPathsProc)(GrGLuint resultPath, GrGLsizei numPaths, const GrGLuint paths[], const GrGLfloat weights[]);
244typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyPathProc)(GrGLuint resultPath, GrGLuint srcPath);
245typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInterpolatePathsProc)(GrGLuint resultPath, GrGLuint pathA, GrGLuint pathB, GrGLfloat weight);
246typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTransformPathProc)(GrGLuint resultPath, GrGLuint srcPath, GrGLenum transformType, const GrGLfloat *transformValues);
247typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameteriProc)(GrGLuint path, GrGLenum pname, GrGLint value);
248typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterfProc)(GrGLuint path, GrGLenum pname, GrGLfloat value);
249typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLGenPathsProc)(GrGLsizei range);
250typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeletePathsProc)(GrGLuint path, GrGLsizei range);
251typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPathProc)(GrGLuint path);
252typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
253typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask);
254typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask);
255typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum transformType, const GrGLfloat *transformValues);
256typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum transformType, const GrGLfloat *transformValues);
257typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathTexGenProc)(GrGLenum texCoordSet, GrGLenum genMode, GrGLint components, const GrGLfloat *coeffs);
258typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathProc)(GrGLuint path, GrGLenum coverMode);
259typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathProc)(GrGLuint name, GrGLenum coverMode);
260typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues);
261typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat* transformValues);
262// NV_path_rendering v1.2
263typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilThenCoverFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode);
264typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilThenCoverStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask, GrGLenum coverMode);
265typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilThenCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues);
266typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilThenCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues);
267// NV_path_rendering v1.3
268typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramPathFragmentInputGenProc)(GrGLuint program, GrGLint location, GrGLenum genMode, GrGLint components,const GrGLfloat *coeffs);
269typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLPathMemoryGlyphIndexArrayProc)(GrGLuint firstPathName, GrGLenum fontTarget, GrGLsizeiptr fontSize, const GrGLvoid *fontData, GrGLsizei faceIndex, GrGLuint firstGlyphIndex, GrGLsizei numGlyphs, GrGLuint pathParameterTemplate, GrGLfloat emScale);
270
271/* ARB_program_interface_query */
272typedef GrGLint (GR_GL_FUNCTION_TYPE* GrGLGetProgramResourceLocationProc)(GrGLuint program, GrGLenum programInterface, const GrGLchar *name);
273
274/* GL_NV_framebuffer_mixed_samples */
275typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverageModulationProc)(GrGLenum components);
276
277/* ARB_draw_instanced */
278typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawArraysInstancedProc)(GrGLenum mode, GrGLint first, GrGLsizei count, GrGLsizei primcount);
279typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawElementsInstancedProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid *indices, GrGLsizei primcount);
280
281/* ARB_instanced_arrays */
282typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribDivisorProc)(GrGLuint index, GrGLuint divisor);
283
284/* NV_bindless_texture */
285typedef GrGLuint64 (GR_GL_FUNCTION_TYPE* GrGLGetTextureHandleProc)(GrGLuint texture);
286typedef GrGLuint64 (GR_GL_FUNCTION_TYPE* GrGLGetTextureSamplerHandleProc)(GrGLuint texture, GrGLuint sampler);
287typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeTextureHandleResidentProc)(GrGLuint64 handle);
288typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeTextureHandleNonResidentProc)(GrGLuint64 handle);
289typedef GrGLuint64 (GR_GL_FUNCTION_TYPE* GrGLGetImageHandleProc)(GrGLuint texture, GrGLint level, GrGLboolean layered, GrGLint layer, GrGLint format);
290typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeImageHandleResidentProc)(GrGLuint64 handle, GrGLenum access);
291typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeImageHandleNonResidentProc)(GrGLuint64 handle);
292typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsTextureHandleResidentProc)(GrGLuint64 handle);
293typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsImageHandleResidentProc)(GrGLuint64 handle);
294typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformHandleui64Proc)(GrGLint location, GrGLuint64 v0);
295typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformHandleui64vProc)(GrGLint location, GrGLsizei count, const GrGLuint64 *value);
296typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformHandleui64Proc)(GrGLuint program, GrGLint location, GrGLuint64 v0);
297typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformHandleui64vProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLuint64 *value);
298
299/* EXT_direct_state_access */
300// (In the future some of these methods may be omitted)
301typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameteriProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, GrGLint param);
302typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameterivProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, const GrGLint *param);
303typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameterfProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, float param);
304typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, const float *param);
305typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint GrGLinternalformat, GrGLsizei width, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
306typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
307typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLsizei width, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
308typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
309typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLint x, GrGLint y, GrGLsizei width, GrGLint border);
310typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLint border);
311typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint x, GrGLint y, GrGLsizei width);
312typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
313typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureImageProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum format, GrGLenum type, GrGLvoid *pixels);
314typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, float *params);
315typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureParameterivProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, GrGLint *params);
316typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureLevelParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum pname, float *params);
317typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureLevelParameterivProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum pname, GrGLint *params);
318// OpenGL 1.2
319typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
320typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureSubImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
321typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureSubImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
322typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data);
323typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data);
324typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data);
325typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureSubImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLenum format, GrGLsizei imageSize, const GrGLvoid *data);
326typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLsizei imageSize, const GrGLvoid *data);
327typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLsizei width, GrGLenum format, GrGLsizei imageSize, const GrGLvoid *data);
328typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetCompressedTextureImageProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLvoid *img);
329// OpenGL 1.5
330typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedBufferDataProc)(GrGLuint buffer, GrGLsizeiptr size, const GrGLvoid *data, GrGLenum usage);
331typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid *data);
332typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapNamedBufferProc)(GrGLuint buffer, GrGLenum access);
333typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLUnmapNamedBufferProc)(GrGLuint buffer);
334typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedBufferParameterivProc)(GrGLuint buffer, GrGLenum pname, GrGLint *params);
335typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedBufferPointervProc)(GrGLuint buffer, GrGLenum pname, GrGLvoid* *params);
336typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size, GrGLvoid *data);
337// OpenGL 2.0
338typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1fProc)(GrGLuint program, GrGLint location, float v0);
339typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2fProc)(GrGLuint program, GrGLint location, float v0, float v1);
340typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3fProc)(GrGLuint program, GrGLint location, float v0, float v1, float v2);
341typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4fProc)(GrGLuint program, GrGLint location, float v0, float v1, float v2, float v3);
342typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1iProc)(GrGLuint program, GrGLint location, GrGLint v0);
343typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1);
344typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2);
345typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3);
346typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
347typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
348typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
349typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
350typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
351typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
352typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
353typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
354typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
355typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
356typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
357// OpenGL 2.1
358typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix2x3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
359typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix3x2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
360typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix2x4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
361typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix4x2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
362typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix3x4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
363typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix4x3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
364// OpenGL 3.0
365typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedRenderbufferStorageProc)(GrGLuint renderbuffer, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height);
366typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedRenderbufferParameterivProc)(GrGLuint renderbuffer, GrGLenum pname, GrGLint *params);
367typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedRenderbufferStorageMultisampleProc)(GrGLuint renderbuffer, GrGLsizei samples, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height);
368typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLCheckNamedFramebufferStatusProc)(GrGLuint framebuffer, GrGLenum target);
369typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferTexture1DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
370typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferTexture2DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
371typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferTexture3DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLint zoffset);
372typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferRenderbufferProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer);
373typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedFramebufferAttachmentParameterivProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum pname, GrGLint *params);
374typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenerateTextureMipmapProc)(GrGLuint texture, GrGLenum target);
375typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferDrawBufferProc)(GrGLuint framebuffer, GrGLenum mode);
376typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferDrawBuffersProc)(GrGLuint framebuffer, GrGLsizei n, const GrGLenum *bufs);
377typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferReadBufferProc)(GrGLuint framebuffer, GrGLenum mode);
378typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetFramebufferParameterivProc)(GrGLuint framebuffer, GrGLenum pname, GrGLint *param);
379typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedCopyBufferSubDataProc)(GrGLuint readBuffer, GrGLuint writeBuffer, GrGLintptr readOffset, GrGLintptr writeOffset, GrGLsizeiptr size);
380typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayVertexOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
381typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayColorOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
382typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayEdgeFlagOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLsizei stride, GrGLintptr offset);
383typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayIndexOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
384typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayNormalOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
385typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayTexCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
386typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayMultiTexCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum texunit, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
387typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayFogCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
388typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArraySecondaryColorOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
389typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayVertexAttribOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLuint index, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, GrGLintptr offset);
390typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayVertexAttribIOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLuint index, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
391typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexArrayProc)(GrGLuint vaobj, GrGLenum array);
392typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexArrayProc)(GrGLuint vaobj, GrGLenum array);
393typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexArrayAttribProc)(GrGLuint vaobj, GrGLuint index);
394typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexArrayAttribProc)(GrGLuint vaobj, GrGLuint index);
395typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayIntegervProc)(GrGLuint vaobj, GrGLenum pname, GrGLint *param);
396typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayPointervProc)(GrGLuint vaobj, GrGLenum pname, GrGLvoid **param);
397typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayIntegeri_vProc)(GrGLuint vaobj, GrGLuint index, GrGLenum pname, GrGLint *param);
398typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayPointeri_vProc)(GrGLuint vaobj, GrGLuint index, GrGLenum pname, GrGLvoid **param);
399typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapNamedBufferRangeProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length, GrGLbitfield access);
400typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushMappedNamedBufferRangeProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length);
401
402/* KHR_debug */
403typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDebugMessageControlProc)(GrGLenum source, GrGLenum type, GrGLenum severity, GrGLsizei count, const GrGLuint* ids, GrGLboolean enabled);
404typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDebugMessageInsertProc)(GrGLenum source, GrGLenum type, GrGLuint id, GrGLenum severity, GrGLsizei length,  const GrGLchar* buf);
405typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDebugMessageCallbackProc)(GRGLDEBUGPROC callback, const GrGLvoid* userParam);
406typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLGetDebugMessageLogProc)(GrGLuint count, GrGLsizei bufSize, GrGLenum* sources, GrGLenum* types, GrGLuint* ids, GrGLenum* severities, GrGLsizei* lengths,  GrGLchar* messageLog);
407typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPushDebugGroupProc)(GrGLenum source, GrGLuint id, GrGLsizei length,  const GrGLchar * message);
408typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPopDebugGroupProc)();
409typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLObjectLabelProc)(GrGLenum identifier, GrGLuint name, GrGLsizei length, const GrGLchar *label);
410
411}  // extern "C"
412
413#endif
414