GrGLCreateNativeInterface_win.cpp revision c9668ecdb7188a90b050771727da899c54dc7013
1f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2011 Google Inc. 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 7f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com */ 8f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 9ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 106c8c34e65ff8248ec7374e0d662d7f5684d800fatomhudson@google.com#include "gl/GrGLInterface.h" 11373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com#define WIN32_LEAN_AND_MEAN 12f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com#include <Windows.h> 13f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com#include <GL/GL.h> 14f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 15f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com/* 16f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com * Windows makes the GL funcs all be __stdcall instead of __cdecl :( 17f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com * This implementation will only work if GR_GL_FUNCTION_TYPE is __stdcall. 18f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com * Otherwise, a springboard would be needed that hides the calling convention. 19f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com */ 20f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 216fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com#define GR_GL_GET_PROC(F) interface->f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F); 226fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com#define GR_GL_GET_PROC_SUFFIX(F, S) interface->f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F #S); 23747bf293d47d7437791caed8e8990370b57a7766tomhudson@google.com 24373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.comconst GrGLInterface* GrGLCreateNativeInterface() { 250b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // wglGetProcAddress requires a context. 266fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com // GL Function pointers retrieved in one context may not be valid in another 276fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com // context. For that reason we create a new GrGLInterface each time we're 286fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com // called. 290b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com if (NULL != wglGetCurrentContext()) { 300b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com const char* versionString = (const char*) glGetString(GL_VERSION); 310b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com const char* extString = (const char*) glGetString(GL_EXTENSIONS); 32c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com GrGLVersion glVer = GrGLGetVersionFromString(versionString); 33f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 34c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com if (glVer < GR_GL_VER(1,5)) { 350b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // We must have array and element_array buffer objects. 366fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com return NULL; 370b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com } 386fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com GrGLInterface* interface = new GrGLInterface(); 39f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 400b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // Functions that are part of GL 1.1 will return NULL in 410b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // wglGetProcAddress 427d1276ff67bc8a03f1c62c10ed05dae87349f782bsalomon@google.com interface->fBindTexture = glBindTexture; 436fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fBlendFunc = glBlendFunc; 446fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fClear = glClear; 456fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fClearColor = glClearColor; 466fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fClearStencil = glClearStencil; 476fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fColorMask = glColorMask; 486fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fColorPointer = glColorPointer; 496fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fCullFace = glCullFace; 506fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fDeleteTextures = glDeleteTextures; 516fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fDepthMask = glDepthMask; 526fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fDisable = glDisable; 536fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fDrawArrays = glDrawArrays; 546fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fDrawElements = glDrawElements; 556fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fDrawBuffer = glDrawBuffer; 566fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fEnable = glEnable; 576fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fFrontFace = glFrontFace; 58373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com interface->fFinish = glFinish; 59373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com interface->fFlush = glFlush; 606fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fGenTextures = glGenTextures; 616fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fGetError = glGetError; 626fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fGetIntegerv = glGetIntegerv; 636fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fGetString = glGetString; 646fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv; 656fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fLineWidth = glLineWidth; 666fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fPixelStorei = glPixelStorei; 676fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fReadBuffer = glReadBuffer; 686fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fReadPixels = glReadPixels; 696fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fScissor = glScissor; 706fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fStencilFunc = glStencilFunc; 716fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fStencilMask = glStencilMask; 726fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fStencilOp = glStencilOp; 736fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fTexImage2D = glTexImage2D; 746fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fTexParameteri = glTexParameteri; 75280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com if (glVer >= GR_GL_VER(4,2) || 76280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com GrGLHasExtensionFromString("GL_ARB_texture_storage", extString)) { 77280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com GR_GL_GET_PROC(TexStorage2D); 78280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com } else if (GrGLHasExtensionFromString("GL_EXT_texture_storage", extString)) { 79280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT); 80280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com } 816fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fTexSubImage2D = glTexSubImage2D; 826fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fViewport = glViewport; 83f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 840b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(ActiveTexture); 850b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(AttachShader); 86f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(BeginQuery); 870b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BindAttribLocation); 880b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BindBuffer); 89bc5cf51627505f763586100675aa60b66d743c7ebsalomon@google.com GR_GL_GET_PROC(BindFragDataLocation); 900b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BlendColor); 910b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BufferData); 920b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BufferSubData); 930b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(CompileShader); 940b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(CompressedTexImage2D); 950b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(CreateProgram); 960b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(CreateShader); 970b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DeleteBuffers); 98f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(DeleteQueries); 990b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DeleteProgram); 1000b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DeleteShader); 1010b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DisableVertexAttribArray); 1020b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DrawBuffers); 1030b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(EnableVertexAttribArray); 104f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(EndQuery); 1050b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GenBuffers); 106f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(GenQueries); 1070b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetBufferParameteriv); 108f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(GetQueryiv); 109f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(GetQueryObjectiv); 110f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(GetQueryObjectuiv); 111f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com if (glVer > GR_GL_VER(3,3) || 112f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GrGLHasExtensionFromString("GL_ARB_timer_query", extString)) { 113f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(GetQueryObjecti64v); 114f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(GetQueryObjectui64v); 115f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC(QueryCounter); 116f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com } else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extString)) { 117f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); 118e173992c2319205fdc263ccd10d7a9018c23013cbsalomon@google.com GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); 119f97c194df7d38e45ae8bf03e276141c914ff6d8ebsalomon@google.com } 1200b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetProgramInfoLog); 1210b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetProgramiv); 1220b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetShaderInfoLog); 1230b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetShaderiv); 1240b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetUniformLocation); 1250b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(LinkProgram); 126c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com if (GrGLHasExtensionFromString("GL_NV_framebuffer_multisample_coverage", extString)) { 127c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisampleCoverage, NV); 128c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com } 1290b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(ShaderSource); 1300b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(StencilFuncSeparate); 1310b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(StencilMaskSeparate); 1320b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(StencilOpSeparate); 1330b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform1f); 1340b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform1i); 1350b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform1fv); 1360b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform1iv); 1370b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform2f); 1380b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform2i); 1390b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform2fv); 1400b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform2iv); 1410b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform3f); 1420b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform3i); 1430b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform3fv); 1440b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform3iv); 1450b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform4f); 1460b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform4i); 1470b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform4fv); 1480b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(Uniform4iv); 1490b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(UniformMatrix2fv); 1500b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(UniformMatrix3fv); 1510b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(UniformMatrix4fv); 1520b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(UseProgram); 1530b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(VertexAttrib4fv); 1540b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(VertexAttribPointer); 1550b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BindFragDataLocationIndexed); 156f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 1570b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since 1580b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // GL_ARB_framebuffer_object doesn't use ARB suffix.) 159c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com if (glVer > GR_GL_VER(3,0) || 160c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com GrGLHasExtensionFromString("GL_ARB_framebuffer_object", extString)) { 1610b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GenFramebuffers); 1620b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv); 1630b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GetRenderbufferParameteriv); 1640b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BindFramebuffer); 1650b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(FramebufferTexture2D); 1660b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(CheckFramebufferStatus); 1670b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DeleteFramebuffers); 1680b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(RenderbufferStorage); 1690b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(GenRenderbuffers); 1700b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(DeleteRenderbuffers); 1710b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(FramebufferRenderbuffer); 1720b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BindRenderbuffer); 1730b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(RenderbufferStorageMultisample); 1740b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(BlitFramebuffer); 175c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com } else if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object", 176c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com extString)) { 1770b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT); 1780b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); 1790b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); 1800b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT); 1810b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT); 1820b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); 1830b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT); 1840b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT); 1850b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT); 1860b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); 1870b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); 1880b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT); 189c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", extString)) { 1900b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); 1910b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com } 192c82b8899d97c2a26f5991bc771ad3beb8257edaebsalomon@google.com if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit", extString)) { 1930b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT); 194f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com } 1950b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com } else { 1960b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com // we must have FBOs 1976fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com delete interface; 1986fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com return NULL; 1990b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com } 2000b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(MapBuffer); 2010b77d6892b067ad402c9678b0226bff70599fbe2bsalomon@google.com GR_GL_GET_PROC(UnmapBuffer); 202f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 2036fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com interface->fBindingsExported = kDesktop_GrGLBinding; 204f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com 2056fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com return interface; 2066fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com } else { 2076fb736fc2ea5f3f7ac44494211cc6755180ca192bsalomon@google.com return NULL; 208f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com } 209f987d1b2348258970cae675135b6dedda079de48bsalomon@google.com} 210