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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 <functional>
13 #include "GrGLTypes.h"
14 #include "../private/SkTLogic.h"
15 
16 extern "C" {
17 
18 ///////////////////////////////////////////////////////////////////////////////
19 
20 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLActiveTextureProc)(GrGLenum texture);
21 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLAttachShaderProc)(GrGLuint program, GrGLuint shader);
22 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBeginQueryProc)(GrGLenum target, GrGLuint id);
23 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindAttribLocationProc)(GrGLuint program, GrGLuint index, const char* name);
24 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindBufferProc)(GrGLenum target, GrGLuint buffer);
25 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFramebufferProc)(GrGLenum target, GrGLuint framebuffer);
26 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindRenderbufferProc)(GrGLenum target, GrGLuint renderbuffer);
27 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindImageTextureProc)(GrGLuint unit, GrGLuint texture, GrGLint level, GrGLboolean layered, GrGLint layer, GrGLenum access, GrGLenum format);
28 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindTextureProc)(GrGLenum target, GrGLuint texture);
29 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragDataLocationProc)(GrGLuint program, GrGLuint colorNumber, const GrGLchar* name);
30 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragDataLocationIndexedProc)(GrGLuint program, GrGLuint colorNumber, GrGLuint index, const GrGLchar * name);
31 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindVertexArrayProc)(GrGLuint array);
32 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendBarrierProc)();
33 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha);
34 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendEquationProc)(GrGLenum mode);
35 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendFuncProc)(GrGLenum sfactor, GrGLenum dfactor);
36 typedef 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);
37 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBufferDataProc)(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data, GrGLenum usage);
38 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBufferSubDataProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid* data);
39 typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLCheckFramebufferStatusProc)(GrGLenum target);
40 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearProc)(GrGLbitfield mask);
41 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha);
42 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearStencilProc)(GrGLint s);
43 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearTexImageProc)(GrGLuint texture, GrGLint level, GrGLenum format, GrGLenum type,const GrGLvoid * data);
44 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearTexSubImageProc)(GrGLuint texture, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLenum format, GrGLenum type,const GrGLvoid * data);
45 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLColorMaskProc)(GrGLboolean red, GrGLboolean green, GrGLboolean blue, GrGLboolean alpha);
46 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompileShaderProc)(GrGLuint shader);
47 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTexImage2DProc)(GrGLenum target, GrGLint level, GrGLenum internalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLsizei imageSize, const GrGLvoid* data);
48 typedef 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);
49 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
50 typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLCreateProgramProc)();
51 typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLCreateShaderProc)(GrGLenum type);
52 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCullFaceProc)(GrGLenum mode);
53 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteBuffersProc)(GrGLsizei n, const GrGLuint* buffers);
54 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteFramebuffersProc)(GrGLsizei n, const GrGLuint *framebuffers);
55 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteProgramProc)(GrGLuint program);
56 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteQueriesProc)(GrGLsizei n, const GrGLuint *ids);
57 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteRenderbuffersProc)(GrGLsizei n, const GrGLuint *renderbuffers);
58 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteShaderProc)(GrGLuint shader);
59 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteTexturesProc)(GrGLsizei n, const GrGLuint* textures);
60 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteVertexArraysProc)(GrGLsizei n, const GrGLuint *arrays);
61 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDepthMaskProc)(GrGLboolean flag);
62 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableProc)(GrGLenum cap);
63 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexAttribArrayProc)(GrGLuint index);
64 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawArraysProc)(GrGLenum mode, GrGLint first, GrGLsizei count);
65 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawArraysInstancedProc)(GrGLenum mode, GrGLint first, GrGLsizei count, GrGLsizei primcount);
66 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawArraysIndirectProc)(GrGLenum mode, const GrGLvoid* indirect);
67 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawBufferProc)(GrGLenum mode);
68 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawBuffersProc)(GrGLsizei n, const GrGLenum* bufs);
69 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawElementsProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid* indices);
70 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawElementsInstancedProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid *indices, GrGLsizei primcount);
71 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawElementsIndirectProc)(GrGLenum mode, GrGLenum type, const GrGLvoid* indirect);
72 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawRangeElementsProc)(GrGLenum mode, GrGLuint start, GrGLuint end, GrGLsizei count, GrGLenum type, const GrGLvoid* indices);
73 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableProc)(GrGLenum cap);
74 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexAttribArrayProc)(GrGLuint index);
75 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEndQueryProc)(GrGLenum target);
76 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFinishProc)();
77 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushProc)();
78 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushMappedBufferRangeProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length);
79 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferRenderbufferProc)(GrGLenum target, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer);
80 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferTexture2DProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
81 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferTexture2DMultisampleProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLsizei samples);
82 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFrontFaceProc)(GrGLenum mode);
83 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenBuffersProc)(GrGLsizei n, GrGLuint* buffers);
84 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenFramebuffersProc)(GrGLsizei n, GrGLuint *framebuffers);
85 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenerateMipmapProc)(GrGLenum target);
86 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenQueriesProc)(GrGLsizei n, GrGLuint *ids);
87 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenRenderbuffersProc)(GrGLsizei n, GrGLuint *renderbuffers);
88 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenTexturesProc)(GrGLsizei n, GrGLuint* textures);
89 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenVertexArraysProc)(GrGLsizei n, GrGLuint *arrays);
90 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetBufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params);
91 typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLGetErrorProc)();
92 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetFramebufferAttachmentParameterivProc)(GrGLenum target, GrGLenum attachment, GrGLenum pname, GrGLint* params);
93 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetIntegervProc)(GrGLenum pname, GrGLint* params);
94 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetMultisamplefvProc)(GrGLenum pname, GrGLuint index, GrGLfloat* val);
95 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetProgramInfoLogProc)(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, char* infolog);
96 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetProgramivProc)(GrGLuint program, GrGLenum pname, GrGLint* params);
97 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryivProc)(GrGLenum GLtarget, GrGLenum pname, GrGLint *params);
98 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjecti64vProc)(GrGLuint id, GrGLenum pname, GrGLint64 *params);
99 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectivProc)(GrGLuint id, GrGLenum pname, GrGLint *params);
100 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectui64vProc)(GrGLuint id, GrGLenum pname, GrGLuint64 *params);
101 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectuivProc)(GrGLuint id, GrGLenum pname, GrGLuint *params);
102 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetRenderbufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params);
103 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderInfoLogProc)(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length, char* infolog);
104 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderivProc)(GrGLuint shader, GrGLenum pname, GrGLint* params);
105 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderPrecisionFormatProc)(GrGLenum shadertype, GrGLenum precisiontype, GrGLint *range, GrGLint *precision);
106 typedef const GrGLubyte* (GR_GL_FUNCTION_TYPE* GrGLGetStringProc)(GrGLenum name);
107 typedef const GrGLubyte* (GR_GL_FUNCTION_TYPE* GrGLGetStringiProc)(GrGLenum name, GrGLuint index);
108 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTexLevelParameterivProc)(GrGLenum target, GrGLint level, GrGLenum pname, GrGLint* params);
109 typedef GrGLint (GR_GL_FUNCTION_TYPE* GrGLGetUniformLocationProc)(GrGLuint program, const char* name);
110 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInsertEventMarkerProc)(GrGLsizei length, const char* marker);
111 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateBufferDataProc)(GrGLuint buffer);
112 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length);
113 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateFramebufferProc)(GrGLenum target, GrGLsizei numAttachments,  const GrGLenum *attachments);
114 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateSubFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum *attachments, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
115 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateTexImageProc)(GrGLuint texture, GrGLint level);
116 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInvalidateTexSubImageProc)(GrGLuint texture, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth);
117 typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsTextureProc)(GrGLuint texture);
118 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLineWidthProc)(GrGLfloat width);
119 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLinkProgramProc)(GrGLuint program);
120 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferProc)(GrGLenum target, GrGLenum access);
121 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferRangeProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length, GrGLbitfield access);
122 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferSubDataProc)(GrGLuint target, GrGLintptr offset, GrGLsizeiptr size, GrGLenum access);
123 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLenum access);
124 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMemoryBarrierProc)(GrGLbitfield barriers);
125 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMemoryBarrierByRegionProc)(GrGLbitfield barriers);
126 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPixelStoreiProc)(GrGLenum pname, GrGLint param);
127 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPolygonModeProc)(GrGLenum face, GrGLenum mode);
128 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPopGroupMarkerProc)();
129 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPushGroupMarkerProc)(GrGLsizei length, const char* marker);
130 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLQueryCounterProc)(GrGLuint id, GrGLenum target);
131 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRasterSamplesProc)(GrGLuint samples, GrGLboolean fixedsamplelocations);
132 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadBufferProc)(GrGLenum src);
133 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadPixelsProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLvoid* pixels);
134 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageProc)(GrGLenum target, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
135 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageMultisampleProc)(GrGLenum target, GrGLsizei samples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
136 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLResolveMultisampleFramebufferProc)();
137 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLScissorProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
138 // GL_CHROMIUM_bind_uniform_location
139 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindUniformLocationProc)(GrGLuint program, GrGLint location, const char* name);
140 
141 #if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE
142 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char* const * str, const GrGLint* length);
143 #else
144 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length);
145 #endif
146 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
147 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncSeparateProc)(GrGLenum face, GrGLenum func, GrGLint ref, GrGLuint mask);
148 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskProc)(GrGLuint mask);
149 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskSeparateProc)(GrGLenum face, GrGLuint mask);
150 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilOpProc)(GrGLenum fail, GrGLenum zfail, GrGLenum zpass);
151 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilOpSeparateProc)(GrGLenum face, GrGLenum fail, GrGLenum zfail, GrGLenum zpass);
152 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexBufferProc)(GrGLenum target, GrGLenum internalformat, GrGLuint buffer);
153 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexBufferRangeProc)(GrGLenum target, GrGLenum internalformat, GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size);
154 typedef 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);
155 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexParameteriProc)(GrGLenum target, GrGLenum pname, GrGLint param);
156 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexParameterivProc)(GrGLenum target, GrGLenum pname, const GrGLint* params);
157 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexStorage2DProc)(GrGLenum target, GrGLsizei levels, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
158 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDiscardFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum* attachments);
159 typedef 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);
160 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureBarrierProc)();
161 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1fProc)(GrGLint location, GrGLfloat v0);
162 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1iProc)(GrGLint location, GrGLint v0);
163 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
164 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
165 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1);
166 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2iProc)(GrGLint location, GrGLint v0, GrGLint v1);
167 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
168 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
169 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2);
170 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2);
171 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
172 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
173 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2, GrGLfloat v3);
174 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3);
175 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
176 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
177 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix2fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
178 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix3fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
179 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix4fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
180 typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLUnmapBufferProc)(GrGLenum target);
181 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUnmapBufferSubDataProc)(const GrGLvoid* mem);
182 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUnmapTexSubImage2DProc)(const GrGLvoid* mem);
183 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUseProgramProc)(GrGLuint program);
184 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib1fProc)(GrGLuint indx, const GrGLfloat value);
185 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib2fvProc)(GrGLuint indx, const GrGLfloat* values);
186 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib3fvProc)(GrGLuint indx, const GrGLfloat* values);
187 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib4fvProc)(GrGLuint indx, const GrGLfloat* values);
188 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribDivisorProc)(GrGLuint index, GrGLuint divisor);
189 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribIPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLsizei stride, const GrGLvoid* ptr);
190 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, const GrGLvoid* ptr);
191 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLViewportProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
192 
193 /* GL_NV_path_rendering */
194 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMatrixLoadfProc)(GrGLenum matrixMode, const GrGLfloat* m);
195 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMatrixLoadIdentityProc)(GrGLenum);
196 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCommandsProc)(GrGLuint path, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
197 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameteriProc)(GrGLuint path, GrGLenum pname, GrGLint value);
198 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterfProc)(GrGLuint path, GrGLenum pname, GrGLfloat value);
199 typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLGenPathsProc)(GrGLsizei range);
200 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeletePathsProc)(GrGLuint path, GrGLsizei range);
201 typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPathProc)(GrGLuint path);
202 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
203 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask);
204 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask);
205 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum transformType, const GrGLfloat *transformValues);
206 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum transformType, const GrGLfloat *transformValues);
207 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathProc)(GrGLuint path, GrGLenum coverMode);
208 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathProc)(GrGLuint name, GrGLenum coverMode);
209 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues);
210 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat* transformValues);
211 // NV_path_rendering v1.2
212 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilThenCoverFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode);
213 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilThenCoverStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask, GrGLenum coverMode);
214 typedef 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);
215 typedef 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);
216 // NV_path_rendering v1.3
217 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramPathFragmentInputGenProc)(GrGLuint program, GrGLint location, GrGLenum genMode, GrGLint components,const GrGLfloat *coeffs);
218 // CHROMIUM_path_rendering
219 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragmentInputLocationProc)(GrGLuint program, GrGLint location, const GrGLchar* name);
220 
221 /* ARB_program_interface_query */
222 typedef GrGLint (GR_GL_FUNCTION_TYPE* GrGLGetProgramResourceLocationProc)(GrGLuint program, GrGLenum programInterface, const GrGLchar *name);
223 
224 /* GL_NV_framebuffer_mixed_samples */
225 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverageModulationProc)(GrGLenum components);
226 
227 /* EXT_multi_draw_indirect */
228 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMultiDrawArraysIndirectProc)(GrGLenum mode, const GrGLvoid *indirect, GrGLsizei drawcount, GrGLsizei stride);
229 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMultiDrawElementsIndirectProc)(GrGLenum mode, GrGLenum type, const GrGLvoid *indirect, GrGLsizei drawcount, GrGLsizei stride);
230 
231 /* NV_bindless_texture */
232 typedef GrGLuint64 (GR_GL_FUNCTION_TYPE* GrGLGetTextureHandleProc)(GrGLuint texture);
233 typedef GrGLuint64 (GR_GL_FUNCTION_TYPE* GrGLGetTextureSamplerHandleProc)(GrGLuint texture, GrGLuint sampler);
234 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeTextureHandleResidentProc)(GrGLuint64 handle);
235 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeTextureHandleNonResidentProc)(GrGLuint64 handle);
236 typedef GrGLuint64 (GR_GL_FUNCTION_TYPE* GrGLGetImageHandleProc)(GrGLuint texture, GrGLint level, GrGLboolean layered, GrGLint layer, GrGLint format);
237 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeImageHandleResidentProc)(GrGLuint64 handle, GrGLenum access);
238 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMakeImageHandleNonResidentProc)(GrGLuint64 handle);
239 typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsTextureHandleResidentProc)(GrGLuint64 handle);
240 typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsImageHandleResidentProc)(GrGLuint64 handle);
241 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformHandleui64Proc)(GrGLint location, GrGLuint64 v0);
242 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformHandleui64vProc)(GrGLint location, GrGLsizei count, const GrGLuint64 *value);
243 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformHandleui64Proc)(GrGLuint program, GrGLint location, GrGLuint64 v0);
244 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformHandleui64vProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLuint64 *value);
245 
246 /* ARB_sample_shading */
247 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMinSampleShadingProc)(GrGLfloat value);
248 
249 /* EXT_direct_state_access */
250 // (In the future some of these methods may be omitted)
251 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameteriProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, GrGLint param);
252 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameterivProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, const GrGLint *param);
253 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameterfProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, float param);
254 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, const float *param);
255 typedef 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);
256 typedef 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);
257 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLsizei width, GrGLenum format, GrGLenum type, const GrGLvoid *pixels);
258 typedef 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);
259 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLint x, GrGLint y, GrGLsizei width, GrGLint border);
260 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLint border);
261 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint x, GrGLint y, GrGLsizei width);
262 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
263 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureImageProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum format, GrGLenum type, GrGLvoid *pixels);
264 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, float *params);
265 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureParameterivProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, GrGLint *params);
266 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureLevelParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum pname, float *params);
267 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTextureLevelParameterivProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum pname, GrGLint *params);
268 // OpenGL 1.2
269 typedef 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);
270 typedef 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);
271 typedef 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);
272 typedef 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);
273 typedef 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);
274 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data);
275 typedef 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);
276 typedef 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);
277 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLsizei width, GrGLenum format, GrGLsizei imageSize, const GrGLvoid *data);
278 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetCompressedTextureImageProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLvoid *img);
279 // OpenGL 1.5
280 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedBufferDataProc)(GrGLuint buffer, GrGLsizeiptr size, const GrGLvoid *data, GrGLenum usage);
281 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid *data);
282 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapNamedBufferProc)(GrGLuint buffer, GrGLenum access);
283 typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLUnmapNamedBufferProc)(GrGLuint buffer);
284 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedBufferParameterivProc)(GrGLuint buffer, GrGLenum pname, GrGLint *params);
285 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedBufferPointervProc)(GrGLuint buffer, GrGLenum pname, GrGLvoid* *params);
286 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size, GrGLvoid *data);
287 // OpenGL 2.0
288 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1fProc)(GrGLuint program, GrGLint location, float v0);
289 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2fProc)(GrGLuint program, GrGLint location, float v0, float v1);
290 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3fProc)(GrGLuint program, GrGLint location, float v0, float v1, float v2);
291 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4fProc)(GrGLuint program, GrGLint location, float v0, float v1, float v2, float v3);
292 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1iProc)(GrGLuint program, GrGLint location, GrGLint v0);
293 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1);
294 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2);
295 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3);
296 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
297 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
298 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
299 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value);
300 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform1ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
301 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform2ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
302 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform3ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
303 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniform4ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value);
304 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
305 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
306 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
307 // OpenGL 2.1
308 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix2x3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
309 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix3x2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
310 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix2x4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
311 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix4x2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
312 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix3x4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
313 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLProgramUniformMatrix4x3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value);
314 // OpenGL 3.0
315 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedRenderbufferStorageProc)(GrGLuint renderbuffer, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height);
316 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedRenderbufferParameterivProc)(GrGLuint renderbuffer, GrGLenum pname, GrGLint *params);
317 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedRenderbufferStorageMultisampleProc)(GrGLuint renderbuffer, GrGLsizei samples, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height);
318 typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLCheckNamedFramebufferStatusProc)(GrGLuint framebuffer, GrGLenum target);
319 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferTexture1DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
320 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferTexture2DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
321 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferTexture3DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLint zoffset);
322 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedFramebufferRenderbufferProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer);
323 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetNamedFramebufferAttachmentParameterivProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum pname, GrGLint *params);
324 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenerateTextureMipmapProc)(GrGLuint texture, GrGLenum target);
325 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferDrawBufferProc)(GrGLuint framebuffer, GrGLenum mode);
326 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferDrawBuffersProc)(GrGLuint framebuffer, GrGLsizei n, const GrGLenum *bufs);
327 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferReadBufferProc)(GrGLuint framebuffer, GrGLenum mode);
328 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetFramebufferParameterivProc)(GrGLuint framebuffer, GrGLenum pname, GrGLint *param);
329 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLNamedCopyBufferSubDataProc)(GrGLuint readBuffer, GrGLuint writeBuffer, GrGLintptr readOffset, GrGLintptr writeOffset, GrGLsizeiptr size);
330 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayVertexOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
331 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayColorOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
332 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayEdgeFlagOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLsizei stride, GrGLintptr offset);
333 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayIndexOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
334 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayNormalOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
335 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayTexCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
336 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayMultiTexCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum texunit, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
337 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayFogCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
338 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArraySecondaryColorOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
339 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayVertexAttribOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLuint index, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, GrGLintptr offset);
340 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexArrayVertexAttribIOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLuint index, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset);
341 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexArrayProc)(GrGLuint vaobj, GrGLenum array);
342 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexArrayProc)(GrGLuint vaobj, GrGLenum array);
343 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexArrayAttribProc)(GrGLuint vaobj, GrGLuint index);
344 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexArrayAttribProc)(GrGLuint vaobj, GrGLuint index);
345 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayIntegervProc)(GrGLuint vaobj, GrGLenum pname, GrGLint *param);
346 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayPointervProc)(GrGLuint vaobj, GrGLenum pname, GrGLvoid **param);
347 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayIntegeri_vProc)(GrGLuint vaobj, GrGLuint index, GrGLenum pname, GrGLint *param);
348 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetVertexArrayPointeri_vProc)(GrGLuint vaobj, GrGLuint index, GrGLenum pname, GrGLvoid **param);
349 typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapNamedBufferRangeProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length, GrGLbitfield access);
350 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushMappedNamedBufferRangeProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length);
351 // OpenGL 3.1
352 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTextureBufferProc)(GrGLuint texture, GrGLenum target, GrGLenum internalformat, GrGLuint buffer);
353 
354 /* ARB_sync */
355 typedef GrGLsync (GR_GL_FUNCTION_TYPE* GrGLFenceSyncProc)(GrGLenum condition, GrGLbitfield flags);
356 typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLClientWaitSyncProc)(GrGLsync sync, GrGLbitfield flags, GrGLuint64 timeout);
357 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLWaitSyncProc)(GrGLsync sync, GrGLbitfield flags, GrGLuint64 timeout);
358 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteSyncProc)(GrGLsync sync);
359 
360 /* ARB_internalformat_query */
361 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetInternalformativProc)(GrGLenum target, GrGLenum internalformat, GrGLenum pname, GrGLsizei bufSize, GrGLint *params);
362 
363 /* KHR_debug */
364 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDebugMessageControlProc)(GrGLenum source, GrGLenum type, GrGLenum severity, GrGLsizei count, const GrGLuint* ids, GrGLboolean enabled);
365 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDebugMessageInsertProc)(GrGLenum source, GrGLenum type, GrGLuint id, GrGLenum severity, GrGLsizei length,  const GrGLchar* buf);
366 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDebugMessageCallbackProc)(GRGLDEBUGPROC callback, const GrGLvoid* userParam);
367 typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLGetDebugMessageLogProc)(GrGLuint count, GrGLsizei bufSize, GrGLenum* sources, GrGLenum* types, GrGLuint* ids, GrGLenum* severities, GrGLsizei* lengths,  GrGLchar* messageLog);
368 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPushDebugGroupProc)(GrGLenum source, GrGLuint id, GrGLsizei length,  const GrGLchar * message);
369 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPopDebugGroupProc)();
370 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLObjectLabelProc)(GrGLenum identifier, GrGLuint name, GrGLsizei length, const GrGLchar *label);
371 
372 /** EXT_window_rectangles */
373 typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLWindowRectanglesProc)(GrGLenum mode, GrGLsizei count, const GrGLint box[]);
374 
375 /** EGL functions */
376 typedef const char* (GR_GL_FUNCTION_TYPE* GrEGLQueryStringProc)(GrEGLDisplay dpy, GrEGLint name);
377 typedef GrEGLDisplay (GR_GL_FUNCTION_TYPE* GrEGLGetCurrentDisplayProc)();
378 typedef GrEGLImage (GR_GL_FUNCTION_TYPE* GrEGLCreateImageProc)(GrEGLDisplay dpy, GrEGLContext ctx, GrEGLenum target, GrEGLClientBuffer buffer, const GrEGLint *attrib_list);
379 typedef GrEGLBoolean (GR_GL_FUNCTION_TYPE* GrEGLDestroyImageProc)(GrEGLDisplay dpy, GrEGLImage image);
380 }  // extern "C"
381 
382 template <typename GLPTR> using GrGLFunction = std::function<skstd::remove_pointer_t<GLPTR>>;
383 
384 #endif
385