GrGLFunctions.h revision a3baf3be0e2a3128fb73bd41d40d130f75a4dc86 
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////////////////////////////////////////////////////////////////////////////////
15
16/**
17 * Classifies GL contexts by which standard they implement (currently as Desktop
18 * vs. ES).
19 */
20enum GrGLStandard {
21    kNone_GrGLStandard,
22    kGL_GrGLStandard,
23    kGLES_GrGLStandard,
24};
25
26// Temporary aliases until Chromium can be updated.
27typedef GrGLStandard GrGLBinding;
28static const GrGLStandard kES2_GrGLBinding = kGLES_GrGLStandard;
29static const GrGLStandard kDesktop_GrGLBinding = kGL_GrGLStandard;
30
31///////////////////////////////////////////////////////////////////////////////
32
33/**
34 * Declares typedefs for all the GL functions used in GrGLInterface
35 */
36
37typedef unsigned int GrGLenum;
38typedef unsigned char GrGLboolean;
39typedef unsigned int GrGLbitfield;
40typedef signed char GrGLbyte;
41typedef char GrGLchar;
42typedef short GrGLshort;
43typedef int GrGLint;
44typedef int GrGLsizei;
45typedef int64_t GrGLint64;
46typedef unsigned char GrGLubyte;
47typedef unsigned short GrGLushort;
48typedef unsigned int GrGLuint;
49typedef uint64_t GrGLuint64;
50typedef float GrGLfloat;
51typedef float GrGLclampf;
52typedef double GrGLdouble;
53typedef double GrGLclampd;
54typedef void GrGLvoid;
55#ifndef SK_IGNORE_64BIT_OPENGL_CHANGES
56#ifdef _WIN64
57typedef signed long long int GrGLintptr;
58typedef signed long long int GrGLsizeiptr;
59#else
60typedef signed long int GrGLintptr;
61typedef signed long int GrGLsizeiptr;
62#endif
63#else
64typedef signed long int GrGLintptr;
65typedef signed long int GrGLsizeiptr;
66#endif
67
68///////////////////////////////////////////////////////////////////////////////
69
70extern "C" {
71    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLActiveTextureProc)(GrGLenum texture);
72    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLAttachShaderProc)(GrGLuint program, GrGLuint shader);
73    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBeginQueryProc)(GrGLenum target, GrGLuint id);
74    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindAttribLocationProc)(GrGLuint program, GrGLuint index, const char* name);
75    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindBufferProc)(GrGLenum target, GrGLuint buffer);
76    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFramebufferProc)(GrGLenum target, GrGLuint framebuffer);
77    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindRenderbufferProc)(GrGLenum target, GrGLuint renderbuffer);
78    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindTextureProc)(GrGLenum target, GrGLuint texture);
79    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha);
80    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragDataLocationProc)(GrGLuint program, GrGLuint colorNumber, const GrGLchar* name);
81    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindFragDataLocationIndexedProc)(GrGLuint program, GrGLuint colorNumber, GrGLuint index, const GrGLchar * name);
82    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindVertexArrayProc)(GrGLuint array);
83    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBlendFuncProc)(GrGLenum sfactor, GrGLenum dfactor);
84    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);
85    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBufferDataProc)(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data, GrGLenum usage);
86    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBufferSubDataProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid* data);
87    typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLCheckFramebufferStatusProc)(GrGLenum target);
88    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearProc)(GrGLbitfield mask);
89    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha);
90    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClearStencilProc)(GrGLint s);
91    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLClientActiveTextureProc)(GrGLenum texture);
92    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLColorMaskProc)(GrGLboolean red, GrGLboolean green, GrGLboolean blue, GrGLboolean alpha);
93    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompileShaderProc)(GrGLuint shader);
94    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCompressedTexImage2DProc)(GrGLenum target, GrGLint level, GrGLenum internalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLsizei imageSize, const GrGLvoid* data);
95    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
96    typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLCreateProgramProc)(void);
97    typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLCreateShaderProc)(GrGLenum type);
98    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCullFaceProc)(GrGLenum mode);
99    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteBuffersProc)(GrGLsizei n, const GrGLuint* buffers);
100    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteFramebuffersProc)(GrGLsizei n, const GrGLuint *framebuffers);
101    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteProgramProc)(GrGLuint program);
102    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteQueriesProc)(GrGLsizei n, const GrGLuint *ids);
103    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteRenderbuffersProc)(GrGLsizei n, const GrGLuint *renderbuffers);
104    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteShaderProc)(GrGLuint shader);
105    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteTexturesProc)(GrGLsizei n, const GrGLuint* textures);
106    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeleteVertexArraysProc)(GrGLsizei n, const GrGLuint *arrays);
107    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDepthMaskProc)(GrGLboolean flag);
108    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableProc)(GrGLenum cap);
109    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableClientStateProc)(GrGLenum cap);
110    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDisableVertexAttribArrayProc)(GrGLuint index);
111    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawArraysProc)(GrGLenum mode, GrGLint first, GrGLsizei count);
112    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawBufferProc)(GrGLenum mode);
113    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawBuffersProc)(GrGLsizei n, const GrGLenum* bufs);
114    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDrawElementsProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid* indices);
115    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableProc)(GrGLenum cap);
116    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableClientStateProc)(GrGLenum cap);
117    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEnableVertexAttribArrayProc)(GrGLuint index);
118    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLEndQueryProc)(GrGLenum target);
119    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFinishProc)();
120    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFlushProc)();
121    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferRenderbufferProc)(GrGLenum target, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer);
122    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferTexture2DProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level);
123    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFramebufferTexture2DMultisampleProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLsizei samples);
124    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLFrontFaceProc)(GrGLenum mode);
125    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenBuffersProc)(GrGLsizei n, GrGLuint* buffers);
126    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenFramebuffersProc)(GrGLsizei n, GrGLuint *framebuffers);
127    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenerateMipmapProc)(GrGLenum target);
128    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenQueriesProc)(GrGLsizei n, GrGLuint *ids);
129    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenRenderbuffersProc)(GrGLsizei n, GrGLuint *renderbuffers);
130    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenTexturesProc)(GrGLsizei n, GrGLuint* textures);
131    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGenVertexArraysProc)(GrGLsizei n, GrGLuint *arrays);
132    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetBufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params);
133    typedef GrGLenum (GR_GL_FUNCTION_TYPE* GrGLGetErrorProc)();
134    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetFramebufferAttachmentParameterivProc)(GrGLenum target, GrGLenum attachment, GrGLenum pname, GrGLint* params);
135    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetIntegervProc)(GrGLenum pname, GrGLint* params);
136    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetProgramInfoLogProc)(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, char* infolog);
137    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetProgramivProc)(GrGLuint program, GrGLenum pname, GrGLint* params);
138    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryivProc)(GrGLenum GLtarget, GrGLenum pname, GrGLint *params);
139    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjecti64vProc)(GrGLuint id, GrGLenum pname, GrGLint64 *params);
140    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectivProc)(GrGLuint id, GrGLenum pname, GrGLint *params);
141    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectui64vProc)(GrGLuint id, GrGLenum pname, GrGLuint64 *params);
142    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetQueryObjectuivProc)(GrGLuint id, GrGLenum pname, GrGLuint *params);
143    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetRenderbufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params);
144    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderInfoLogProc)(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length, char* infolog);
145    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetShaderivProc)(GrGLuint shader, GrGLenum pname, GrGLint* params);
146    typedef const GrGLubyte* (GR_GL_FUNCTION_TYPE* GrGLGetStringProc)(GrGLenum name);
147    typedef const GrGLubyte* (GR_GL_FUNCTION_TYPE* GrGLGetStringiProc)(GrGLenum name, GrGLuint index);
148    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetTexLevelParameterivProc)(GrGLenum target, GrGLint level, GrGLenum pname, GrGLint* params);
149    typedef GrGLint (GR_GL_FUNCTION_TYPE* GrGLGetUniformLocationProc)(GrGLuint program, const char* name);
150    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInsertEventMarkerProc)(GrGLsizei length, const char* marker);
151    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLineWidthProc)(GrGLfloat width);
152    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLinkProgramProc)(GrGLuint program);
153    typedef GrGLvoid* (GR_GL_FUNCTION_TYPE* GrGLMapBufferProc)(GrGLenum target, GrGLenum access);
154    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPixelStoreiProc)(GrGLenum pname, GrGLint param);
155    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPopGroupMarkerProc)();
156    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPushGroupMarkerProc)(GrGLsizei length, const char* marker);
157    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLQueryCounterProc)(GrGLuint id, GrGLenum target);
158    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadBufferProc)(GrGLenum src);
159    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLReadPixelsProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLvoid* pixels);
160    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageProc)(GrGLenum target, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
161    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageMultisampleProc)(GrGLenum target, GrGLsizei samples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
162    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLResolveMultisampleFramebufferProc)();
163    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLScissorProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
164    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLBindUniformLocation)(GrGLuint program, GrGLint location, const char* name);
165
166#if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE
167    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char* const * str, const GrGLint* length);
168#else
169    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length);
170#endif
171    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
172    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncSeparateProc)(GrGLenum face, GrGLenum func, GrGLint ref, GrGLuint mask);
173    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskProc)(GrGLuint mask);
174    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskSeparateProc)(GrGLenum face, GrGLuint mask);
175    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilOpProc)(GrGLenum fail, GrGLenum zfail, GrGLenum zpass);
176    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilOpSeparateProc)(GrGLenum face, GrGLenum fail, GrGLenum zfail, GrGLenum zpass);
177    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexGenfProc)(GrGLenum coord, GrGLenum pname, GrGLfloat param);
178    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexGenfvProc)(GrGLenum coord, GrGLenum pname, const GrGLfloat* params);
179    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexGeniProc)(GrGLenum coord, GrGLenum pname, GrGLint param);
180    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);
181    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexParameteriProc)(GrGLenum target, GrGLenum pname, GrGLint param);
182    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexParameterivProc)(GrGLenum target, GrGLenum pname, const GrGLint* params);
183    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTexStorage2DProc)(GrGLenum target, GrGLsizei levels, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
184    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDiscardFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum* attachments);
185    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);
186    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1fProc)(GrGLint location, GrGLfloat v0);
187    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1iProc)(GrGLint location, GrGLint v0);
188    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
189    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform1ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
190    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1);
191    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2iProc)(GrGLint location, GrGLint v0, GrGLint v1);
192    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
193    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform2ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
194    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2);
195    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2);
196    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
197    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform3ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
198    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2, GrGLfloat v3);
199    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3);
200    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v);
201    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniform4ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v);
202    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix2fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
203    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix3fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
204    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUniformMatrix4fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value);
205    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLUnmapBufferProc)(GrGLenum target);
206    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLUseProgramProc)(GrGLuint program);
207    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttrib4fvProc)(GrGLuint indx, const GrGLfloat* values);
208    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexAttribPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, const GrGLvoid* ptr);
209    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLVertexPointerProc)(GrGLint size, GrGLenum type, GrGLsizei stride, const GrGLvoid* pointer);
210    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLViewportProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
211
212    // Experimental: Functions for GL_NV_path_rendering. These will be
213    // alphabetized with the above functions once this is fully supported
214    // (and functions we are unlikely to use will possibly be omitted).
215    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLMatrixModeProc)(GrGLenum);
216    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLoadIdentityProc)();
217    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLLoadMatrixfProc)(const GrGLfloat* m);
218    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCommandsProc)(GrGLuint path, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
219    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCoordsProc)(GrGLuint path, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
220    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathSubCommandsProc)(GrGLuint path, GrGLsizei commandStart, GrGLsizei commandsToDelete, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
221    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathSubCoordsProc)(GrGLuint path, GrGLsizei coordStart, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords);
222    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStringProc)(GrGLuint path, GrGLenum format, GrGLsizei length, const GrGLvoid *pathString);
223    typedef 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);
224    typedef 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);
225    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLWeightPathsProc)(GrGLuint resultPath, GrGLsizei numPaths, const GrGLuint paths[], const GrGLfloat weights[]);
226    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCopyPathProc)(GrGLuint resultPath, GrGLuint srcPath);
227    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLInterpolatePathsProc)(GrGLuint resultPath, GrGLuint pathA, GrGLuint pathB, GrGLfloat weight);
228    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLTransformPathProc)(GrGLuint resultPath, GrGLuint srcPath, GrGLenum transformType, const GrGLfloat *transformValues);
229    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterivProc)(GrGLuint path, GrGLenum pname, const GrGLint *value);
230    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameteriProc)(GrGLuint path, GrGLenum pname, GrGLint value);
231    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterfvProc)(GrGLuint path, GrGLenum pname, const GrGLfloat *value);
232    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathParameterfProc)(GrGLuint path, GrGLenum pname, GrGLfloat value);
233    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathDashArrayProc)(GrGLuint path, GrGLsizei dashCount, const GrGLfloat *dashArray);
234    typedef GrGLuint (GR_GL_FUNCTION_TYPE* GrGLGenPathsProc)(GrGLsizei range);
235    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLDeletePathsProc)(GrGLuint path, GrGLsizei range);
236    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPathProc)(GrGLuint path);
237    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
238    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathStencilDepthOffsetProc)(GrGLfloat factor, GrGLfloat units);
239    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask);
240    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask);
241    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);
242    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);
243    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathCoverDepthFuncProc)(GrGLenum zfunc);
244    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathColorGenProc)(GrGLenum color, GrGLenum genMode, GrGLenum colorFormat, const GrGLfloat *coeffs);
245    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathTexGenProc)(GrGLenum texCoordSet, GrGLenum genMode, GrGLint components, const GrGLfloat *coeffs);
246    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLPathFogGenProc)(GrGLenum genMode);
247    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathProc)(GrGLuint path, GrGLenum coverMode);
248    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathProc)(GrGLuint name, GrGLenum coverMode);
249    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues);
250    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat* transformValues);
251    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathParameterivProc)(GrGLuint name, GrGLenum param, GrGLint *value);
252    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathParameterfvProc)(GrGLuint name, GrGLenum param, GrGLfloat *value);
253    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathCommandsProc)(GrGLuint name, GrGLubyte *commands);
254    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathCoordsProc)(GrGLuint name, GrGLfloat *coords);
255    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathDashArrayProc)(GrGLuint name, GrGLfloat *dashArray);
256    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathMetricsProc)(GrGLbitfield metricQueryMask, GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLsizei stride, GrGLfloat *metrics);
257    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathMetricRangeProc)(GrGLbitfield metricQueryMask, GrGLuint fistPathName, GrGLsizei numPaths, GrGLsizei stride, GrGLfloat *metrics);
258    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathSpacingProc)(GrGLenum pathListMode, GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLfloat advanceScale, GrGLfloat kerningScale, GrGLenum transformType, GrGLfloat *returnedSpacing);
259    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathColorGenivProc)(GrGLenum color, GrGLenum pname, GrGLint *value);
260    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathColorGenfvProc)(GrGLenum color, GrGLenum pname, GrGLfloat *value);
261    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathTexGenivProc)(GrGLenum texCoordSet, GrGLenum pname, GrGLint *value);
262    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLGetPathTexGenfvProc)(GrGLenum texCoordSet, GrGLenum pname, GrGLfloat *value);
263    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPointInFillPathProc)(GrGLuint path, GrGLuint mask, GrGLfloat x, GrGLfloat y);
264    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLIsPointInStrokePathProc)(GrGLuint path, GrGLfloat x, GrGLfloat y);
265    typedef GrGLfloat (GR_GL_FUNCTION_TYPE* GrGLGetPathLengthProc)(GrGLuint path, GrGLsizei startSegment, GrGLsizei numSegments);
266    typedef GrGLboolean (GR_GL_FUNCTION_TYPE* GrGLPointAlongPathProc)(GrGLuint path, GrGLsizei startSegment, GrGLsizei numSegments, GrGLfloat distance, GrGLfloat *x, GrGLfloat *y, GrGLfloat *tangentX, GrGLfloat *tangentY);
267
268}  // extern "C"
269
270#endif
271