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 "GrGLTypes.h" 13 #include "../private/SkTLogic.h" 14 15 extern "C" { 16 17 /////////////////////////////////////////////////////////////////////////////// 18 19 typedef GrGLvoid (* GrGLActiveTextureProc)(GrGLenum texture); 20 typedef GrGLvoid (* GrGLAttachShaderProc)(GrGLuint program, GrGLuint shader); 21 typedef GrGLvoid (* GrGLBeginQueryProc)(GrGLenum target, GrGLuint id); 22 typedef GrGLvoid (* GrGLBindAttribLocationProc)(GrGLuint program, GrGLuint index, const char* name); 23 typedef GrGLvoid (* GrGLBindBufferProc)(GrGLenum target, GrGLuint buffer); 24 typedef GrGLvoid (* GrGLBindFramebufferProc)(GrGLenum target, GrGLuint framebuffer); 25 typedef GrGLvoid (* GrGLBindRenderbufferProc)(GrGLenum target, GrGLuint renderbuffer); 26 typedef GrGLvoid (* GrGLBindImageTextureProc)(GrGLuint unit, GrGLuint texture, GrGLint level, GrGLboolean layered, GrGLint layer, GrGLenum access, GrGLenum format); 27 typedef GrGLvoid (* GrGLBindTextureProc)(GrGLenum target, GrGLuint texture); 28 typedef GrGLvoid (* GrGLBindFragDataLocationProc)(GrGLuint program, GrGLuint colorNumber, const GrGLchar* name); 29 typedef GrGLvoid (* GrGLBindFragDataLocationIndexedProc)(GrGLuint program, GrGLuint colorNumber, GrGLuint index, const GrGLchar * name); 30 typedef GrGLvoid (* GrGLBindVertexArrayProc)(GrGLuint array); 31 typedef GrGLvoid (* GrGLBlendBarrierProc)(); 32 typedef GrGLvoid (* GrGLBlendColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha); 33 typedef GrGLvoid (* GrGLBlendEquationProc)(GrGLenum mode); 34 typedef GrGLvoid (* GrGLBlendFuncProc)(GrGLenum sfactor, GrGLenum dfactor); 35 typedef GrGLvoid (* GrGLBlitFramebufferProc)(GrGLint srcX0, GrGLint srcY0, GrGLint srcX1, GrGLint srcY1, GrGLint dstX0, GrGLint dstY0, GrGLint dstX1, GrGLint dstY1, GrGLbitfield mask, GrGLenum filter); 36 typedef GrGLvoid (* GrGLBufferDataProc)(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data, GrGLenum usage); 37 typedef GrGLvoid (* GrGLBufferSubDataProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid* data); 38 typedef GrGLenum (* GrGLCheckFramebufferStatusProc)(GrGLenum target); 39 typedef GrGLvoid (* GrGLClearProc)(GrGLbitfield mask); 40 typedef GrGLvoid (* GrGLClearColorProc)(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha); 41 typedef GrGLvoid (* GrGLClearStencilProc)(GrGLint s); 42 typedef GrGLvoid (* GrGLClearTexImageProc)(GrGLuint texture, GrGLint level, GrGLenum format, GrGLenum type,const GrGLvoid * data); 43 typedef GrGLvoid (* GrGLClearTexSubImageProc)(GrGLuint texture, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLenum format, GrGLenum type,const GrGLvoid * data); 44 typedef GrGLvoid (* GrGLColorMaskProc)(GrGLboolean red, GrGLboolean green, GrGLboolean blue, GrGLboolean alpha); 45 typedef GrGLvoid (* GrGLCompileShaderProc)(GrGLuint shader); 46 typedef GrGLvoid (* GrGLCompressedTexImage2DProc)(GrGLenum target, GrGLint level, GrGLenum internalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLsizei imageSize, const GrGLvoid* data); 47 typedef GrGLvoid (* GrGLCompressedTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLsizei imageSize, const GrGLvoid* data); 48 typedef GrGLvoid (* GrGLCopyTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height); 49 typedef GrGLuint (* GrGLCreateProgramProc)(); 50 typedef GrGLuint (* GrGLCreateShaderProc)(GrGLenum type); 51 typedef GrGLvoid (* GrGLCullFaceProc)(GrGLenum mode); 52 typedef GrGLvoid (* GrGLDeleteBuffersProc)(GrGLsizei n, const GrGLuint* buffers); 53 typedef GrGLvoid (* GrGLDeleteFramebuffersProc)(GrGLsizei n, const GrGLuint *framebuffers); 54 typedef GrGLvoid (* GrGLDeleteProgramProc)(GrGLuint program); 55 typedef GrGLvoid (* GrGLDeleteQueriesProc)(GrGLsizei n, const GrGLuint *ids); 56 typedef GrGLvoid (* GrGLDeleteRenderbuffersProc)(GrGLsizei n, const GrGLuint *renderbuffers); 57 typedef GrGLvoid (* GrGLDeleteShaderProc)(GrGLuint shader); 58 typedef GrGLvoid (* GrGLDeleteTexturesProc)(GrGLsizei n, const GrGLuint* textures); 59 typedef GrGLvoid (* GrGLDeleteVertexArraysProc)(GrGLsizei n, const GrGLuint *arrays); 60 typedef GrGLvoid (* GrGLDepthMaskProc)(GrGLboolean flag); 61 typedef GrGLvoid (* GrGLDisableProc)(GrGLenum cap); 62 typedef GrGLvoid (* GrGLDisableVertexAttribArrayProc)(GrGLuint index); 63 typedef GrGLvoid (* GrGLDrawArraysProc)(GrGLenum mode, GrGLint first, GrGLsizei count); 64 typedef GrGLvoid (* GrGLDrawArraysInstancedProc)(GrGLenum mode, GrGLint first, GrGLsizei count, GrGLsizei primcount); 65 typedef GrGLvoid (* GrGLDrawArraysIndirectProc)(GrGLenum mode, const GrGLvoid* indirect); 66 typedef GrGLvoid (* GrGLDrawBufferProc)(GrGLenum mode); 67 typedef GrGLvoid (* GrGLDrawBuffersProc)(GrGLsizei n, const GrGLenum* bufs); 68 typedef GrGLvoid (* GrGLDrawElementsProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid* indices); 69 typedef GrGLvoid (* GrGLDrawElementsInstancedProc)(GrGLenum mode, GrGLsizei count, GrGLenum type, const GrGLvoid *indices, GrGLsizei primcount); 70 typedef GrGLvoid (* GrGLDrawElementsIndirectProc)(GrGLenum mode, GrGLenum type, const GrGLvoid* indirect); 71 typedef GrGLvoid (* GrGLDrawRangeElementsProc)(GrGLenum mode, GrGLuint start, GrGLuint end, GrGLsizei count, GrGLenum type, const GrGLvoid* indices); 72 typedef GrGLvoid (* GrGLEnableProc)(GrGLenum cap); 73 typedef GrGLvoid (* GrGLEnableVertexAttribArrayProc)(GrGLuint index); 74 typedef GrGLvoid (* GrGLEndQueryProc)(GrGLenum target); 75 typedef GrGLvoid (* GrGLFinishProc)(); 76 typedef GrGLvoid (* GrGLFlushProc)(); 77 typedef GrGLvoid (* GrGLFlushMappedBufferRangeProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length); 78 typedef GrGLvoid (* GrGLFramebufferRenderbufferProc)(GrGLenum target, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer); 79 typedef GrGLvoid (* GrGLFramebufferTexture2DProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level); 80 typedef GrGLvoid (* GrGLFramebufferTexture2DMultisampleProc)(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLsizei samples); 81 typedef GrGLvoid (* GrGLFrontFaceProc)(GrGLenum mode); 82 typedef GrGLvoid (* GrGLGenBuffersProc)(GrGLsizei n, GrGLuint* buffers); 83 typedef GrGLvoid (* GrGLGenFramebuffersProc)(GrGLsizei n, GrGLuint *framebuffers); 84 typedef GrGLvoid (* GrGLGenerateMipmapProc)(GrGLenum target); 85 typedef GrGLvoid (* GrGLGenQueriesProc)(GrGLsizei n, GrGLuint *ids); 86 typedef GrGLvoid (* GrGLGenRenderbuffersProc)(GrGLsizei n, GrGLuint *renderbuffers); 87 typedef GrGLvoid (* GrGLGenTexturesProc)(GrGLsizei n, GrGLuint* textures); 88 typedef GrGLvoid (* GrGLGenVertexArraysProc)(GrGLsizei n, GrGLuint *arrays); 89 typedef GrGLvoid (* GrGLGetBufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params); 90 typedef GrGLenum (* GrGLGetErrorProc)(); 91 typedef GrGLvoid (* GrGLGetFramebufferAttachmentParameterivProc)(GrGLenum target, GrGLenum attachment, GrGLenum pname, GrGLint* params); 92 typedef GrGLvoid (* GrGLGetIntegervProc)(GrGLenum pname, GrGLint* params); 93 typedef GrGLvoid (* GrGLGetMultisamplefvProc)(GrGLenum pname, GrGLuint index, GrGLfloat* val); 94 typedef GrGLvoid (* GrGLGetProgramBinaryProc)(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, GrGLenum *binaryFormat, void *binary); 95 typedef GrGLvoid (* GrGLGetProgramInfoLogProc)(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, char* infolog); 96 typedef GrGLvoid (* GrGLGetProgramivProc)(GrGLuint program, GrGLenum pname, GrGLint* params); 97 typedef GrGLvoid (* GrGLGetQueryivProc)(GrGLenum GLtarget, GrGLenum pname, GrGLint *params); 98 typedef GrGLvoid (* GrGLGetQueryObjecti64vProc)(GrGLuint id, GrGLenum pname, GrGLint64 *params); 99 typedef GrGLvoid (* GrGLGetQueryObjectivProc)(GrGLuint id, GrGLenum pname, GrGLint *params); 100 typedef GrGLvoid (* GrGLGetQueryObjectui64vProc)(GrGLuint id, GrGLenum pname, GrGLuint64 *params); 101 typedef GrGLvoid (* GrGLGetQueryObjectuivProc)(GrGLuint id, GrGLenum pname, GrGLuint *params); 102 typedef GrGLvoid (* GrGLGetRenderbufferParameterivProc)(GrGLenum target, GrGLenum pname, GrGLint* params); 103 typedef GrGLvoid (* GrGLGetShaderInfoLogProc)(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length, char* infolog); 104 typedef GrGLvoid (* GrGLGetShaderivProc)(GrGLuint shader, GrGLenum pname, GrGLint* params); 105 typedef GrGLvoid (* GrGLGetShaderPrecisionFormatProc)(GrGLenum shadertype, GrGLenum precisiontype, GrGLint *range, GrGLint *precision); 106 typedef const GrGLubyte* (* GrGLGetStringProc)(GrGLenum name); 107 typedef const GrGLubyte* (* GrGLGetStringiProc)(GrGLenum name, GrGLuint index); 108 typedef GrGLvoid (* GrGLGetTexLevelParameterivProc)(GrGLenum target, GrGLint level, GrGLenum pname, GrGLint* params); 109 typedef GrGLint (* GrGLGetUniformLocationProc)(GrGLuint program, const char* name); 110 typedef GrGLvoid (* GrGLInsertEventMarkerProc)(GrGLsizei length, const char* marker); 111 typedef GrGLvoid (* GrGLInvalidateBufferDataProc)(GrGLuint buffer); 112 typedef GrGLvoid (* GrGLInvalidateBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length); 113 typedef GrGLvoid (* GrGLInvalidateFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum *attachments); 114 typedef GrGLvoid (* GrGLInvalidateSubFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum *attachments, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height); 115 typedef GrGLvoid (* GrGLInvalidateTexImageProc)(GrGLuint texture, GrGLint level); 116 typedef GrGLvoid (* GrGLInvalidateTexSubImageProc)(GrGLuint texture, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLsizei width, GrGLsizei height, GrGLsizei depth); 117 typedef GrGLboolean (* GrGLIsTextureProc)(GrGLuint texture); 118 typedef GrGLvoid (* GrGLLineWidthProc)(GrGLfloat width); 119 typedef GrGLvoid (* GrGLLinkProgramProc)(GrGLuint program); 120 typedef GrGLvoid* (* GrGLMapBufferProc)(GrGLenum target, GrGLenum access); 121 typedef GrGLvoid* (* GrGLMapBufferRangeProc)(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length, GrGLbitfield access); 122 typedef GrGLvoid* (* GrGLMapBufferSubDataProc)(GrGLuint target, GrGLintptr offset, GrGLsizeiptr size, GrGLenum access); 123 typedef GrGLvoid* (* GrGLMapTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLenum access); 124 typedef GrGLvoid* (* GrGLMemoryBarrierProc)(GrGLbitfield barriers); 125 typedef GrGLvoid* (* GrGLMemoryBarrierByRegionProc)(GrGLbitfield barriers); 126 typedef GrGLvoid (* GrGLPixelStoreiProc)(GrGLenum pname, GrGLint param); 127 typedef GrGLvoid (* GrGLPolygonModeProc)(GrGLenum face, GrGLenum mode); 128 typedef GrGLvoid (* GrGLPopGroupMarkerProc)(); 129 typedef GrGLvoid (* GrGLProgramBinaryProc)(GrGLuint program, GrGLenum binaryFormat, void *binary, GrGLsizei length); 130 typedef GrGLvoid (* GrGLProgramParameteriProc)(GrGLuint program, GrGLenum pname, GrGLint value); 131 typedef GrGLvoid (* GrGLPushGroupMarkerProc)(GrGLsizei length, const char* marker); 132 typedef GrGLvoid (* GrGLQueryCounterProc)(GrGLuint id, GrGLenum target); 133 typedef GrGLvoid (* GrGLRasterSamplesProc)(GrGLuint samples, GrGLboolean fixedsamplelocations); 134 typedef GrGLvoid (* GrGLReadBufferProc)(GrGLenum src); 135 typedef GrGLvoid (* GrGLReadPixelsProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLvoid* pixels); 136 typedef GrGLvoid (* GrGLRenderbufferStorageProc)(GrGLenum target, GrGLenum internalformat, GrGLsizei width, GrGLsizei height); 137 typedef GrGLvoid (* GrGLRenderbufferStorageMultisampleProc)(GrGLenum target, GrGLsizei samples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height); 138 typedef GrGLvoid (* GrGLResolveMultisampleFramebufferProc)(); 139 typedef GrGLvoid (* GrGLScissorProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height); 140 // GL_CHROMIUM_bind_uniform_location 141 typedef GrGLvoid (* GrGLBindUniformLocationProc)(GrGLuint program, GrGLint location, const char* name); 142 143 #if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE 144 typedef GrGLvoid (* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char* const * str, const GrGLint* length); 145 #else 146 typedef GrGLvoid (* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length); 147 #endif 148 typedef GrGLvoid (* GrGLStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask); 149 typedef GrGLvoid (* GrGLStencilFuncSeparateProc)(GrGLenum face, GrGLenum func, GrGLint ref, GrGLuint mask); 150 typedef GrGLvoid (* GrGLStencilMaskProc)(GrGLuint mask); 151 typedef GrGLvoid (* GrGLStencilMaskSeparateProc)(GrGLenum face, GrGLuint mask); 152 typedef GrGLvoid (* GrGLStencilOpProc)(GrGLenum fail, GrGLenum zfail, GrGLenum zpass); 153 typedef GrGLvoid (* GrGLStencilOpSeparateProc)(GrGLenum face, GrGLenum fail, GrGLenum zfail, GrGLenum zpass); 154 typedef GrGLvoid (* GrGLTexBufferProc)(GrGLenum target, GrGLenum internalformat, GrGLuint buffer); 155 typedef GrGLvoid (* GrGLTexBufferRangeProc)(GrGLenum target, GrGLenum internalformat, GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size); 156 typedef GrGLvoid (* GrGLTexImage2DProc)(GrGLenum target, GrGLint level, GrGLint internalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid* pixels); 157 typedef GrGLvoid (* GrGLTexParameteriProc)(GrGLenum target, GrGLenum pname, GrGLint param); 158 typedef GrGLvoid (* GrGLTexParameterivProc)(GrGLenum target, GrGLenum pname, const GrGLint* params); 159 typedef GrGLvoid (* GrGLTexStorage2DProc)(GrGLenum target, GrGLsizei levels, GrGLenum internalformat, GrGLsizei width, GrGLsizei height); 160 typedef GrGLvoid (* GrGLDiscardFramebufferProc)(GrGLenum target, GrGLsizei numAttachments, const GrGLenum* attachments); 161 typedef GrGLvoid (* GrGLTexSubImage2DProc)(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, const GrGLvoid* pixels); 162 typedef GrGLvoid (* GrGLTextureBarrierProc)(); 163 typedef GrGLvoid (* GrGLUniform1fProc)(GrGLint location, GrGLfloat v0); 164 typedef GrGLvoid (* GrGLUniform1iProc)(GrGLint location, GrGLint v0); 165 typedef GrGLvoid (* GrGLUniform1fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v); 166 typedef GrGLvoid (* GrGLUniform1ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v); 167 typedef GrGLvoid (* GrGLUniform2fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1); 168 typedef GrGLvoid (* GrGLUniform2iProc)(GrGLint location, GrGLint v0, GrGLint v1); 169 typedef GrGLvoid (* GrGLUniform2fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v); 170 typedef GrGLvoid (* GrGLUniform2ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v); 171 typedef GrGLvoid (* GrGLUniform3fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2); 172 typedef GrGLvoid (* GrGLUniform3iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2); 173 typedef GrGLvoid (* GrGLUniform3fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v); 174 typedef GrGLvoid (* GrGLUniform3ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v); 175 typedef GrGLvoid (* GrGLUniform4fProc)(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2, GrGLfloat v3); 176 typedef GrGLvoid (* GrGLUniform4iProc)(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3); 177 typedef GrGLvoid (* GrGLUniform4fvProc)(GrGLint location, GrGLsizei count, const GrGLfloat* v); 178 typedef GrGLvoid (* GrGLUniform4ivProc)(GrGLint location, GrGLsizei count, const GrGLint* v); 179 typedef GrGLvoid (* GrGLUniformMatrix2fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value); 180 typedef GrGLvoid (* GrGLUniformMatrix3fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value); 181 typedef GrGLvoid (* GrGLUniformMatrix4fvProc)(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value); 182 typedef GrGLboolean (* GrGLUnmapBufferProc)(GrGLenum target); 183 typedef GrGLvoid (* GrGLUnmapBufferSubDataProc)(const GrGLvoid* mem); 184 typedef GrGLvoid (* GrGLUnmapTexSubImage2DProc)(const GrGLvoid* mem); 185 typedef GrGLvoid (* GrGLUseProgramProc)(GrGLuint program); 186 typedef GrGLvoid (* GrGLVertexAttrib1fProc)(GrGLuint indx, const GrGLfloat value); 187 typedef GrGLvoid (* GrGLVertexAttrib2fvProc)(GrGLuint indx, const GrGLfloat* values); 188 typedef GrGLvoid (* GrGLVertexAttrib3fvProc)(GrGLuint indx, const GrGLfloat* values); 189 typedef GrGLvoid (* GrGLVertexAttrib4fvProc)(GrGLuint indx, const GrGLfloat* values); 190 typedef GrGLvoid (* GrGLVertexAttribDivisorProc)(GrGLuint index, GrGLuint divisor); 191 typedef GrGLvoid (* GrGLVertexAttribIPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLsizei stride, const GrGLvoid* ptr); 192 typedef GrGLvoid (* GrGLVertexAttribPointerProc)(GrGLuint indx, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, const GrGLvoid* ptr); 193 typedef GrGLvoid (* GrGLViewportProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height); 194 195 /* GL_NV_path_rendering */ 196 typedef GrGLvoid (* GrGLMatrixLoadfProc)(GrGLenum matrixMode, const GrGLfloat* m); 197 typedef GrGLvoid (* GrGLMatrixLoadIdentityProc)(GrGLenum); 198 typedef GrGLvoid (* GrGLPathCommandsProc)(GrGLuint path, GrGLsizei numCommands, const GrGLubyte *commands, GrGLsizei numCoords, GrGLenum coordType, const GrGLvoid *coords); 199 typedef GrGLvoid (* GrGLPathParameteriProc)(GrGLuint path, GrGLenum pname, GrGLint value); 200 typedef GrGLvoid (* GrGLPathParameterfProc)(GrGLuint path, GrGLenum pname, GrGLfloat value); 201 typedef GrGLuint (* GrGLGenPathsProc)(GrGLsizei range); 202 typedef GrGLvoid (* GrGLDeletePathsProc)(GrGLuint path, GrGLsizei range); 203 typedef GrGLboolean (* GrGLIsPathProc)(GrGLuint path); 204 typedef GrGLvoid (* GrGLPathStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask); 205 typedef GrGLvoid (* GrGLStencilFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask); 206 typedef GrGLvoid (* GrGLStencilStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask); 207 typedef GrGLvoid (* GrGLStencilFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum transformType, const GrGLfloat *transformValues); 208 typedef GrGLvoid (* GrGLStencilStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum transformType, const GrGLfloat *transformValues); 209 typedef GrGLvoid (* GrGLCoverFillPathProc)(GrGLuint path, GrGLenum coverMode); 210 typedef GrGLvoid (* GrGLCoverStrokePathProc)(GrGLuint name, GrGLenum coverMode); 211 typedef GrGLvoid (* GrGLCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues); 212 typedef GrGLvoid (* GrGLCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat* transformValues); 213 // NV_path_rendering v1.2 214 typedef GrGLvoid (* GrGLStencilThenCoverFillPathProc)(GrGLuint path, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode); 215 typedef GrGLvoid (* GrGLStencilThenCoverStrokePathProc)(GrGLuint path, GrGLint reference, GrGLuint mask, GrGLenum coverMode); 216 typedef GrGLvoid (* GrGLStencilThenCoverFillPathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLenum fillMode, GrGLuint mask, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues); 217 typedef GrGLvoid (* GrGLStencilThenCoverStrokePathInstancedProc)(GrGLsizei numPaths, GrGLenum pathNameType, const GrGLvoid *paths, GrGLuint pathBase, GrGLint reference, GrGLuint mask, GrGLenum coverMode, GrGLenum transformType, const GrGLfloat *transformValues); 218 // NV_path_rendering v1.3 219 typedef GrGLvoid (* GrGLProgramPathFragmentInputGenProc)(GrGLuint program, GrGLint location, GrGLenum genMode, GrGLint components,const GrGLfloat *coeffs); 220 // CHROMIUM_path_rendering 221 typedef GrGLvoid (* GrGLBindFragmentInputLocationProc)(GrGLuint program, GrGLint location, const GrGLchar* name); 222 223 /* ARB_program_interface_query */ 224 typedef GrGLint (* GrGLGetProgramResourceLocationProc)(GrGLuint program, GrGLenum programInterface, const GrGLchar *name); 225 226 /* GL_NV_framebuffer_mixed_samples */ 227 typedef GrGLvoid (* GrGLCoverageModulationProc)(GrGLenum components); 228 229 /* EXT_multi_draw_indirect */ 230 typedef GrGLvoid (* GrGLMultiDrawArraysIndirectProc)(GrGLenum mode, const GrGLvoid *indirect, GrGLsizei drawcount, GrGLsizei stride); 231 typedef GrGLvoid (* GrGLMultiDrawElementsIndirectProc)(GrGLenum mode, GrGLenum type, const GrGLvoid *indirect, GrGLsizei drawcount, GrGLsizei stride); 232 233 /* NV_bindless_texture */ 234 typedef GrGLuint64 (* GrGLGetTextureHandleProc)(GrGLuint texture); 235 typedef GrGLuint64 (* GrGLGetTextureSamplerHandleProc)(GrGLuint texture, GrGLuint sampler); 236 typedef GrGLvoid (* GrGLMakeTextureHandleResidentProc)(GrGLuint64 handle); 237 typedef GrGLvoid (* GrGLMakeTextureHandleNonResidentProc)(GrGLuint64 handle); 238 typedef GrGLuint64 (* GrGLGetImageHandleProc)(GrGLuint texture, GrGLint level, GrGLboolean layered, GrGLint layer, GrGLint format); 239 typedef GrGLvoid (* GrGLMakeImageHandleResidentProc)(GrGLuint64 handle, GrGLenum access); 240 typedef GrGLvoid (* GrGLMakeImageHandleNonResidentProc)(GrGLuint64 handle); 241 typedef GrGLboolean (* GrGLIsTextureHandleResidentProc)(GrGLuint64 handle); 242 typedef GrGLboolean (* GrGLIsImageHandleResidentProc)(GrGLuint64 handle); 243 typedef GrGLvoid (* GrGLUniformHandleui64Proc)(GrGLint location, GrGLuint64 v0); 244 typedef GrGLvoid (* GrGLUniformHandleui64vProc)(GrGLint location, GrGLsizei count, const GrGLuint64 *value); 245 typedef GrGLvoid (* GrGLProgramUniformHandleui64Proc)(GrGLuint program, GrGLint location, GrGLuint64 v0); 246 typedef GrGLvoid (* GrGLProgramUniformHandleui64vProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLuint64 *value); 247 248 /* ARB_sample_shading */ 249 typedef GrGLvoid (* GrGLMinSampleShadingProc)(GrGLfloat value); 250 251 /* EXT_direct_state_access */ 252 // (In the future some of these methods may be omitted) 253 typedef GrGLvoid (* GrGLTextureParameteriProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, GrGLint param); 254 typedef GrGLvoid (* GrGLTextureParameterivProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, const GrGLint *param); 255 typedef GrGLvoid (* GrGLTextureParameterfProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, float param); 256 typedef GrGLvoid (* GrGLTextureParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, const float *param); 257 typedef GrGLvoid (* GrGLTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint GrGLinternalformat, GrGLsizei width, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid *pixels); 258 typedef GrGLvoid (* GrGLTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid *pixels); 259 typedef GrGLvoid (* GrGLTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLsizei width, GrGLenum format, GrGLenum type, const GrGLvoid *pixels); 260 typedef GrGLvoid (* GrGLTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, const GrGLvoid *pixels); 261 typedef GrGLvoid (* GrGLCopyTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLint x, GrGLint y, GrGLsizei width, GrGLint border); 262 typedef GrGLvoid (* GrGLCopyTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLint border); 263 typedef GrGLvoid (* GrGLCopyTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint x, GrGLint y, GrGLsizei width); 264 typedef GrGLvoid (* GrGLCopyTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height); 265 typedef GrGLvoid (* GrGLGetTextureImageProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum format, GrGLenum type, GrGLvoid *pixels); 266 typedef GrGLvoid (* GrGLGetTextureParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, float *params); 267 typedef GrGLvoid (* GrGLGetTextureParameterivProc)(GrGLuint texture, GrGLenum target, GrGLenum pname, GrGLint *params); 268 typedef GrGLvoid (* GrGLGetTextureLevelParameterfvProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum pname, float *params); 269 typedef GrGLvoid (* GrGLGetTextureLevelParameterivProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum pname, GrGLint *params); 270 // OpenGL 1.2 271 typedef GrGLvoid (* GrGLTextureImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLint border, GrGLenum format, GrGLenum type, const GrGLvoid *pixels); 272 typedef GrGLvoid (* 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); 273 typedef GrGLvoid (* GrGLCopyTextureSubImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLint zoffset, GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height); 274 typedef GrGLvoid (* GrGLCompressedTextureImage3DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLsizei depth, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data); 275 typedef GrGLvoid (* GrGLCompressedTextureImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data); 276 typedef GrGLvoid (* GrGLCompressedTextureImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLint border, GrGLsizei imageSize, const GrGLvoid *data); 277 typedef GrGLvoid (* 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); 278 typedef GrGLvoid (* GrGLCompressedTextureSubImage2DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLsizei imageSize, const GrGLvoid *data); 279 typedef GrGLvoid (* GrGLCompressedTextureSubImage1DProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLint xoffset, GrGLsizei width, GrGLenum format, GrGLsizei imageSize, const GrGLvoid *data); 280 typedef GrGLvoid (* GrGLGetCompressedTextureImageProc)(GrGLuint texture, GrGLenum target, GrGLint level, GrGLvoid *img); 281 // OpenGL 1.5 282 typedef GrGLvoid (* GrGLNamedBufferDataProc)(GrGLuint buffer, GrGLsizeiptr size, const GrGLvoid *data, GrGLenum usage); 283 typedef GrGLvoid (* GrGLNamedBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size, const GrGLvoid *data); 284 typedef GrGLvoid* (* GrGLMapNamedBufferProc)(GrGLuint buffer, GrGLenum access); 285 typedef GrGLboolean (* GrGLUnmapNamedBufferProc)(GrGLuint buffer); 286 typedef GrGLvoid (* GrGLGetNamedBufferParameterivProc)(GrGLuint buffer, GrGLenum pname, GrGLint *params); 287 typedef GrGLvoid (* GrGLGetNamedBufferPointervProc)(GrGLuint buffer, GrGLenum pname, GrGLvoid* *params); 288 typedef GrGLvoid (* GrGLGetNamedBufferSubDataProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr size, GrGLvoid *data); 289 // OpenGL 2.0 290 typedef GrGLvoid (* GrGLProgramUniform1fProc)(GrGLuint program, GrGLint location, float v0); 291 typedef GrGLvoid (* GrGLProgramUniform2fProc)(GrGLuint program, GrGLint location, float v0, float v1); 292 typedef GrGLvoid (* GrGLProgramUniform3fProc)(GrGLuint program, GrGLint location, float v0, float v1, float v2); 293 typedef GrGLvoid (* GrGLProgramUniform4fProc)(GrGLuint program, GrGLint location, float v0, float v1, float v2, float v3); 294 typedef GrGLvoid (* GrGLProgramUniform1iProc)(GrGLuint program, GrGLint location, GrGLint v0); 295 typedef GrGLvoid (* GrGLProgramUniform2iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1); 296 typedef GrGLvoid (* GrGLProgramUniform3iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2); 297 typedef GrGLvoid (* GrGLProgramUniform4iProc)(GrGLuint program, GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3); 298 typedef GrGLvoid (* GrGLProgramUniform1fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value); 299 typedef GrGLvoid (* GrGLProgramUniform2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value); 300 typedef GrGLvoid (* GrGLProgramUniform3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value); 301 typedef GrGLvoid (* GrGLProgramUniform4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, const float *value); 302 typedef GrGLvoid (* GrGLProgramUniform1ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value); 303 typedef GrGLvoid (* GrGLProgramUniform2ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value); 304 typedef GrGLvoid (* GrGLProgramUniform3ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value); 305 typedef GrGLvoid (* GrGLProgramUniform4ivProc)(GrGLuint program, GrGLint location, GrGLsizei count, const GrGLint *value); 306 typedef GrGLvoid (* GrGLProgramUniformMatrix2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 307 typedef GrGLvoid (* GrGLProgramUniformMatrix3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 308 typedef GrGLvoid (* GrGLProgramUniformMatrix4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 309 // OpenGL 2.1 310 typedef GrGLvoid (* GrGLProgramUniformMatrix2x3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 311 typedef GrGLvoid (* GrGLProgramUniformMatrix3x2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 312 typedef GrGLvoid (* GrGLProgramUniformMatrix2x4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 313 typedef GrGLvoid (* GrGLProgramUniformMatrix4x2fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 314 typedef GrGLvoid (* GrGLProgramUniformMatrix3x4fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 315 typedef GrGLvoid (* GrGLProgramUniformMatrix4x3fvProc)(GrGLuint program, GrGLint location, GrGLsizei count, GrGLboolean transpose, const float *value); 316 // OpenGL 3.0 317 typedef GrGLvoid (* GrGLNamedRenderbufferStorageProc)(GrGLuint renderbuffer, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height); 318 typedef GrGLvoid (* GrGLGetNamedRenderbufferParameterivProc)(GrGLuint renderbuffer, GrGLenum pname, GrGLint *params); 319 typedef GrGLvoid (* GrGLNamedRenderbufferStorageMultisampleProc)(GrGLuint renderbuffer, GrGLsizei samples, GrGLenum GrGLinternalformat, GrGLsizei width, GrGLsizei height); 320 typedef GrGLenum (* GrGLCheckNamedFramebufferStatusProc)(GrGLuint framebuffer, GrGLenum target); 321 typedef GrGLvoid (* GrGLNamedFramebufferTexture1DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level); 322 typedef GrGLvoid (* GrGLNamedFramebufferTexture2DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level); 323 typedef GrGLvoid (* GrGLNamedFramebufferTexture3DProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level, GrGLint zoffset); 324 typedef GrGLvoid (* GrGLNamedFramebufferRenderbufferProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer); 325 typedef GrGLvoid (* GrGLGetNamedFramebufferAttachmentParameterivProc)(GrGLuint framebuffer, GrGLenum attachment, GrGLenum pname, GrGLint *params); 326 typedef GrGLvoid (* GrGLGenerateTextureMipmapProc)(GrGLuint texture, GrGLenum target); 327 typedef GrGLvoid (* GrGLFramebufferDrawBufferProc)(GrGLuint framebuffer, GrGLenum mode); 328 typedef GrGLvoid (* GrGLFramebufferDrawBuffersProc)(GrGLuint framebuffer, GrGLsizei n, const GrGLenum *bufs); 329 typedef GrGLvoid (* GrGLFramebufferReadBufferProc)(GrGLuint framebuffer, GrGLenum mode); 330 typedef GrGLvoid (* GrGLGetFramebufferParameterivProc)(GrGLuint framebuffer, GrGLenum pname, GrGLint *param); 331 typedef GrGLvoid (* GrGLNamedCopyBufferSubDataProc)(GrGLuint readBuffer, GrGLuint writeBuffer, GrGLintptr readOffset, GrGLintptr writeOffset, GrGLsizeiptr size); 332 typedef GrGLvoid (* GrGLVertexArrayVertexOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 333 typedef GrGLvoid (* GrGLVertexArrayColorOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 334 typedef GrGLvoid (* GrGLVertexArrayEdgeFlagOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLsizei stride, GrGLintptr offset); 335 typedef GrGLvoid (* GrGLVertexArrayIndexOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 336 typedef GrGLvoid (* GrGLVertexArrayNormalOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 337 typedef GrGLvoid (* GrGLVertexArrayTexCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 338 typedef GrGLvoid (* GrGLVertexArrayMultiTexCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum texunit, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 339 typedef GrGLvoid (* GrGLVertexArrayFogCoordOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 340 typedef GrGLvoid (* GrGLVertexArraySecondaryColorOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 341 typedef GrGLvoid (* GrGLVertexArrayVertexAttribOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLuint index, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, GrGLintptr offset); 342 typedef GrGLvoid (* GrGLVertexArrayVertexAttribIOffsetProc)(GrGLuint vaobj, GrGLuint buffer, GrGLuint index, GrGLint size, GrGLenum type, GrGLsizei stride, GrGLintptr offset); 343 typedef GrGLvoid (* GrGLEnableVertexArrayProc)(GrGLuint vaobj, GrGLenum array); 344 typedef GrGLvoid (* GrGLDisableVertexArrayProc)(GrGLuint vaobj, GrGLenum array); 345 typedef GrGLvoid (* GrGLEnableVertexArrayAttribProc)(GrGLuint vaobj, GrGLuint index); 346 typedef GrGLvoid (* GrGLDisableVertexArrayAttribProc)(GrGLuint vaobj, GrGLuint index); 347 typedef GrGLvoid (* GrGLGetVertexArrayIntegervProc)(GrGLuint vaobj, GrGLenum pname, GrGLint *param); 348 typedef GrGLvoid (* GrGLGetVertexArrayPointervProc)(GrGLuint vaobj, GrGLenum pname, GrGLvoid **param); 349 typedef GrGLvoid (* GrGLGetVertexArrayIntegeri_vProc)(GrGLuint vaobj, GrGLuint index, GrGLenum pname, GrGLint *param); 350 typedef GrGLvoid (* GrGLGetVertexArrayPointeri_vProc)(GrGLuint vaobj, GrGLuint index, GrGLenum pname, GrGLvoid **param); 351 typedef GrGLvoid* (* GrGLMapNamedBufferRangeProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length, GrGLbitfield access); 352 typedef GrGLvoid (* GrGLFlushMappedNamedBufferRangeProc)(GrGLuint buffer, GrGLintptr offset, GrGLsizeiptr length); 353 // OpenGL 3.1 354 typedef GrGLvoid (* GrGLTextureBufferProc)(GrGLuint texture, GrGLenum target, GrGLenum internalformat, GrGLuint buffer); 355 356 /* ARB_sync */ 357 typedef GrGLsync (* GrGLFenceSyncProc)(GrGLenum condition, GrGLbitfield flags); 358 typedef GrGLboolean (* GrGLIsSyncProc)(GrGLsync sync); 359 typedef GrGLenum (* GrGLClientWaitSyncProc)(GrGLsync sync, GrGLbitfield flags, GrGLuint64 timeout); 360 typedef GrGLvoid (* GrGLWaitSyncProc)(GrGLsync sync, GrGLbitfield flags, GrGLuint64 timeout); 361 typedef GrGLvoid (* GrGLDeleteSyncProc)(GrGLsync sync); 362 363 /* ARB_internalformat_query */ 364 typedef GrGLvoid (* GrGLGetInternalformativProc)(GrGLenum target, GrGLenum internalformat, GrGLenum pname, GrGLsizei bufSize, GrGLint *params); 365 366 /* KHR_debug */ 367 typedef GrGLvoid (* GrGLDebugMessageControlProc)(GrGLenum source, GrGLenum type, GrGLenum severity, GrGLsizei count, const GrGLuint* ids, GrGLboolean enabled); 368 typedef GrGLvoid (* GrGLDebugMessageInsertProc)(GrGLenum source, GrGLenum type, GrGLuint id, GrGLenum severity, GrGLsizei length, const GrGLchar* buf); 369 typedef GrGLvoid (* GrGLDebugMessageCallbackProc)(GRGLDEBUGPROC callback, const GrGLvoid* userParam); 370 typedef GrGLuint (* GrGLGetDebugMessageLogProc)(GrGLuint count, GrGLsizei bufSize, GrGLenum* sources, GrGLenum* types, GrGLuint* ids, GrGLenum* severities, GrGLsizei* lengths, GrGLchar* messageLog); 371 typedef GrGLvoid (* GrGLPushDebugGroupProc)(GrGLenum source, GrGLuint id, GrGLsizei length, const GrGLchar * message); 372 typedef GrGLvoid (* GrGLPopDebugGroupProc)(); 373 typedef GrGLvoid (* GrGLObjectLabelProc)(GrGLenum identifier, GrGLuint name, GrGLsizei length, const GrGLchar *label); 374 375 /** EXT_window_rectangles */ 376 typedef GrGLvoid (* GrGLWindowRectanglesProc)(GrGLenum mode, GrGLsizei count, const GrGLint box[]); 377 378 /** EGL functions */ 379 typedef const char* (* GrEGLQueryStringProc)(GrEGLDisplay dpy, GrEGLint name); 380 typedef GrEGLDisplay (* GrEGLGetCurrentDisplayProc)(); 381 typedef GrEGLImage (* GrEGLCreateImageProc)(GrEGLDisplay dpy, GrEGLContext ctx, GrEGLenum target, GrEGLClientBuffer buffer, const GrEGLint *attrib_list); 382 typedef GrEGLBoolean (* GrEGLDestroyImageProc)(GrEGLDisplay dpy, GrEGLImage image); 383 } // extern "C" 384 385 // This is a lighter-weight std::function, trying to reduce code size and compile time 386 // by only supporting the exact use cases we require. 387 template <typename T> class GrGLFunction; 388 389 template <typename R, typename... Args> 390 class GrGLFunction<R(*)(Args...)>{ 391 public: 392 // Construct empty. 393 GrGLFunction() : fCall(nullptr) {} 394 GrGLFunction(std::nullptr_t) : GrGLFunction() {} 395 396 // Construct from a simple function pointer. 397 GrGLFunction(R (GR_GL_FUNCTION_TYPE* fn_ptr)(Args...)) : GrGLFunction() { 398 if (fn_ptr) { 399 memcpy(fBuf, &fn_ptr, sizeof(fn_ptr)); 400 fCall = [](const void* buf, Args... args) { 401 auto fn_ptr = *(R (GR_GL_FUNCTION_TYPE**)(Args...))buf; 402 return fn_ptr(args...); 403 }; 404 } 405 } 406 407 // Construct from a small closure. 408 template <typename Closure> 409 GrGLFunction(Closure closure) : GrGLFunction() { 410 static_assert(sizeof(Closure) <= sizeof(fBuf), "fBuf is too small"); 411 #if defined(__APPLE__) // I am having serious trouble getting these to work with all STLs... 412 static_assert(std::is_trivially_copyable<Closure>::value, ""); 413 static_assert(std::is_trivially_destructible<Closure>::value, ""); 414 #endif 415 416 memcpy(fBuf, &closure, sizeof(closure)); 417 fCall = [](const void* buf, Args... args) { 418 auto closure = (const Closure*)buf; 419 return (*closure)(args...); 420 }; 421 } 422 423 R operator()(Args... args) const { 424 SkASSERT(fCall); 425 return fCall(fBuf, args...); 426 } 427 428 explicit operator bool() const { 429 return fCall != nullptr; 430 } 431 432 private: 433 R (*fCall)(const void*, Args...); 434 size_t fBuf[4]; 435 }; 436 437 #endif 438
