The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/gpu/gl/mesa/GrGLCreateMesaInterface.cpp
gfx/skia/trunk/src/gpu/gl/mesa/GrGLCreateMesaInterface.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:5ae2ac6d5352 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2011 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 #include "gl/GrGLExtensions.h" | |
| 10 #include "gl/GrGLInterface.h" | |
| 11 #include "../GrGLUtil.h" | |
| 12 | |
| 13 #define GL_GLEXT_PROTOTYPES | |
| 14 #include "osmesa_wrapper.h" | |
| 15 | |
| 16 #define GR_GL_GET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) \ | |
| 17 OSMesaGetProcAddress("gl" #F); | |
| 18 #define GR_GL_GET_PROC_SUFFIX(F, S) interface->fFunctions.f ## F = (GrGL ## F ## Proc) \ | |
| 19 OSMesaGetProcAddress("gl" #F #S); | |
| 20 | |
| 21 // We use OSMesaGetProcAddress for every gl function to avoid accidentally using | |
| 22 // non-Mesa gl functions. | |
| 23 | |
| 24 const GrGLInterface* GrGLCreateMesaInterface() { | |
| 25 if (NULL != OSMesaGetCurrentContext()) { | |
| 26 | |
| 27 GrGLGetStringProc getString = (GrGLGetStringProc) OSMesaGetProcAddress("glGetString"); | |
| 28 GrGLGetStringiProc getStringi = (GrGLGetStringiProc) OSMesaGetProcAddress("glGetStringi"); | |
| 29 GrGLGetIntegervProc getIntegerv = | |
| 30 (GrGLGetIntegervProc) OSMesaGetProcAddress("glGetIntegerv"); | |
| 31 | |
| 32 GrGLExtensions extensions; | |
| 33 if (!extensions.init(kGL_GrGLStandard, getString, getStringi, getIntegerv)) { | |
| 34 return NULL; | |
| 35 } | |
| 36 | |
| 37 const char* versionString = (const char*) getString(GL_VERSION); | |
| 38 GrGLVersion glVer = GrGLGetVersionFromString(versionString); | |
| 39 | |
| 40 if (glVer < GR_GL_VER(1,5)) { | |
| 41 // We must have array and element_array buffer objects. | |
| 42 return NULL; | |
| 43 } | |
| 44 GrGLInterface* interface = SkNEW(GrGLInterface()); | |
| 45 | |
| 46 GR_GL_GET_PROC(ActiveTexture); | |
| 47 GR_GL_GET_PROC(BeginQuery); | |
| 48 GR_GL_GET_PROC(AttachShader); | |
| 49 GR_GL_GET_PROC(BindAttribLocation); | |
| 50 GR_GL_GET_PROC(BindBuffer); | |
| 51 GR_GL_GET_PROC(BindFragDataLocation); | |
| 52 GR_GL_GET_PROC(BindTexture); | |
| 53 GR_GL_GET_PROC(BlendFunc); | |
| 54 | |
| 55 if (glVer >= GR_GL_VER(1,4) || | |
| 56 extensions.has("GL_ARB_imaging") || | |
| 57 extensions.has("GL_EXT_blend_color")) { | |
| 58 GR_GL_GET_PROC(BlendColor); | |
| 59 } | |
| 60 | |
| 61 GR_GL_GET_PROC(BufferData); | |
| 62 GR_GL_GET_PROC(BufferSubData); | |
| 63 GR_GL_GET_PROC(Clear); | |
| 64 GR_GL_GET_PROC(ClearColor); | |
| 65 GR_GL_GET_PROC(ClearStencil); | |
| 66 GR_GL_GET_PROC(ColorMask); | |
| 67 GR_GL_GET_PROC(CompileShader); | |
| 68 GR_GL_GET_PROC(CompressedTexImage2D); | |
| 69 GR_GL_GET_PROC(CopyTexSubImage2D); | |
| 70 GR_GL_GET_PROC(CreateProgram); | |
| 71 GR_GL_GET_PROC(CreateShader); | |
| 72 GR_GL_GET_PROC(CullFace); | |
| 73 GR_GL_GET_PROC(DeleteBuffers); | |
| 74 GR_GL_GET_PROC(DeleteProgram); | |
| 75 GR_GL_GET_PROC(DeleteQueries); | |
| 76 GR_GL_GET_PROC(DeleteShader); | |
| 77 GR_GL_GET_PROC(DeleteTextures); | |
| 78 GR_GL_GET_PROC(DepthMask); | |
| 79 GR_GL_GET_PROC(Disable); | |
| 80 GR_GL_GET_PROC(DisableVertexAttribArray); | |
| 81 GR_GL_GET_PROC(DrawArrays); | |
| 82 GR_GL_GET_PROC(DrawBuffer); | |
| 83 GR_GL_GET_PROC(DrawBuffers); | |
| 84 GR_GL_GET_PROC(DrawElements); | |
| 85 GR_GL_GET_PROC(Enable); | |
| 86 GR_GL_GET_PROC(EnableVertexAttribArray); | |
| 87 GR_GL_GET_PROC(EndQuery); | |
| 88 GR_GL_GET_PROC(Finish); | |
| 89 GR_GL_GET_PROC(Flush); | |
| 90 GR_GL_GET_PROC(FrontFace); | |
| 91 GR_GL_GET_PROC(GenBuffers); | |
| 92 GR_GL_GET_PROC(GenerateMipmap); | |
| 93 GR_GL_GET_PROC(GenQueries); | |
| 94 GR_GL_GET_PROC(GetBufferParameteriv); | |
| 95 GR_GL_GET_PROC(GetError); | |
| 96 GR_GL_GET_PROC(GetIntegerv); | |
| 97 GR_GL_GET_PROC(GetProgramInfoLog); | |
| 98 GR_GL_GET_PROC(GetProgramiv); | |
| 99 if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) { | |
| 100 GR_GL_GET_PROC(GetQueryObjecti64v); | |
| 101 GR_GL_GET_PROC(GetQueryObjectui64v) | |
| 102 GR_GL_GET_PROC(QueryCounter); | |
| 103 } else if (extensions.has("GL_EXT_timer_query")) { | |
| 104 GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); | |
| 105 GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); | |
| 106 } | |
| 107 GR_GL_GET_PROC(GetQueryObjectiv); | |
| 108 GR_GL_GET_PROC(GetQueryObjectuiv); | |
| 109 GR_GL_GET_PROC(GetQueryiv); | |
| 110 GR_GL_GET_PROC(GetShaderInfoLog); | |
| 111 GR_GL_GET_PROC(GetShaderiv); | |
| 112 GR_GL_GET_PROC(GetString); | |
| 113 GR_GL_GET_PROC(GetStringi); | |
| 114 GR_GL_GET_PROC(GetTexLevelParameteriv); | |
| 115 GR_GL_GET_PROC(GenTextures); | |
| 116 GR_GL_GET_PROC(GetUniformLocation); | |
| 117 GR_GL_GET_PROC(LineWidth); | |
| 118 GR_GL_GET_PROC(LinkProgram); | |
| 119 GR_GL_GET_PROC(LoadIdentity); | |
| 120 GR_GL_GET_PROC(LoadMatrixf); | |
| 121 GR_GL_GET_PROC(MatrixMode); | |
| 122 GR_GL_GET_PROC(MapBuffer); | |
| 123 GR_GL_GET_PROC(PixelStorei); | |
| 124 GR_GL_GET_PROC(ReadBuffer); | |
| 125 GR_GL_GET_PROC(ReadPixels); | |
| 126 GR_GL_GET_PROC(Scissor); | |
| 127 GR_GL_GET_PROC(ShaderSource); | |
| 128 GR_GL_GET_PROC(StencilFunc); | |
| 129 GR_GL_GET_PROC(StencilFuncSeparate); | |
| 130 GR_GL_GET_PROC(StencilMask); | |
| 131 GR_GL_GET_PROC(StencilMaskSeparate); | |
| 132 GR_GL_GET_PROC(StencilOp); | |
| 133 GR_GL_GET_PROC(StencilOpSeparate); | |
| 134 GR_GL_GET_PROC(TexGenfv); | |
| 135 GR_GL_GET_PROC(TexGeni); | |
| 136 GR_GL_GET_PROC(TexImage2D) | |
| 137 GR_GL_GET_PROC(TexParameteri); | |
| 138 GR_GL_GET_PROC(TexParameteriv); | |
| 139 GR_GL_GET_PROC(TexStorage2D); | |
| 140 if (NULL == interface->fFunctions.fTexStorage2D) { | |
| 141 GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT); | |
| 142 } | |
| 143 GR_GL_GET_PROC(TexSubImage2D); | |
| 144 GR_GL_GET_PROC(Uniform1f); | |
| 145 GR_GL_GET_PROC(Uniform1i); | |
| 146 GR_GL_GET_PROC(Uniform1fv); | |
| 147 GR_GL_GET_PROC(Uniform1iv); | |
| 148 GR_GL_GET_PROC(Uniform2f); | |
| 149 GR_GL_GET_PROC(Uniform2i); | |
| 150 GR_GL_GET_PROC(Uniform2fv); | |
| 151 GR_GL_GET_PROC(Uniform2iv); | |
| 152 GR_GL_GET_PROC(Uniform3f); | |
| 153 GR_GL_GET_PROC(Uniform3i); | |
| 154 GR_GL_GET_PROC(Uniform3fv); | |
| 155 GR_GL_GET_PROC(Uniform3iv); | |
| 156 GR_GL_GET_PROC(Uniform4f); | |
| 157 GR_GL_GET_PROC(Uniform4i); | |
| 158 GR_GL_GET_PROC(Uniform4fv); | |
| 159 GR_GL_GET_PROC(Uniform4iv); | |
| 160 GR_GL_GET_PROC(UniformMatrix2fv); | |
| 161 GR_GL_GET_PROC(UniformMatrix3fv); | |
| 162 GR_GL_GET_PROC(UniformMatrix4fv); | |
| 163 GR_GL_GET_PROC(UnmapBuffer); | |
| 164 GR_GL_GET_PROC(UseProgram); | |
| 165 GR_GL_GET_PROC(VertexAttrib4fv); | |
| 166 GR_GL_GET_PROC(VertexAttribPointer); | |
| 167 GR_GL_GET_PROC(Viewport); | |
| 168 | |
| 169 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) { | |
| 170 // no ARB suffix for GL_ARB_vertex_array_object | |
| 171 GR_GL_GET_PROC(BindVertexArray); | |
| 172 GR_GL_GET_PROC(DeleteVertexArrays); | |
| 173 GR_GL_GET_PROC(GenVertexArrays); | |
| 174 } | |
| 175 | |
| 176 // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since | |
| 177 // GL_ARB_framebuffer_object doesn't use ARB suffix.) | |
| 178 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) { | |
| 179 GR_GL_GET_PROC(GenFramebuffers); | |
| 180 GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv); | |
| 181 GR_GL_GET_PROC(GetRenderbufferParameteriv); | |
| 182 GR_GL_GET_PROC(BindFramebuffer); | |
| 183 GR_GL_GET_PROC(FramebufferTexture2D); | |
| 184 GR_GL_GET_PROC(CheckFramebufferStatus); | |
| 185 GR_GL_GET_PROC(DeleteFramebuffers); | |
| 186 GR_GL_GET_PROC(RenderbufferStorage); | |
| 187 GR_GL_GET_PROC(GenRenderbuffers); | |
| 188 GR_GL_GET_PROC(DeleteRenderbuffers); | |
| 189 GR_GL_GET_PROC(FramebufferRenderbuffer); | |
| 190 GR_GL_GET_PROC(BindRenderbuffer); | |
| 191 GR_GL_GET_PROC(RenderbufferStorageMultisample); | |
| 192 GR_GL_GET_PROC(BlitFramebuffer); | |
| 193 } else if (extensions.has("GL_EXT_framebuffer_object")) { | |
| 194 GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT); | |
| 195 GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); | |
| 196 GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); | |
| 197 GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT); | |
| 198 GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT); | |
| 199 GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); | |
| 200 GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT); | |
| 201 GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT); | |
| 202 GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT); | |
| 203 GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); | |
| 204 GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); | |
| 205 GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT); | |
| 206 if (extensions.has("GL_EXT_framebuffer_multisample")) { | |
| 207 GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); | |
| 208 } | |
| 209 if (extensions.has("GL_EXT_framebuffer_blit")) { | |
| 210 GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT); | |
| 211 } | |
| 212 } else { | |
| 213 // we must have FBOs | |
| 214 delete interface; | |
| 215 return NULL; | |
| 216 } | |
| 217 GR_GL_GET_PROC(BindFragDataLocationIndexed); | |
| 218 | |
| 219 if (extensions.has("GL_EXT_debug_marker")) { | |
| 220 GR_GL_GET_PROC_SUFFIX(InsertEventMarker, EXT); | |
| 221 GR_GL_GET_PROC_SUFFIX(PopGroupMarker, EXT); | |
| 222 GR_GL_GET_PROC_SUFFIX(PushGroupMarker, EXT); | |
| 223 } | |
| 224 | |
| 225 interface->fStandard = kGL_GrGLStandard; | |
| 226 interface->fExtensions.swap(&extensions); | |
| 227 | |
| 228 return interface; | |
| 229 } else { | |
| 230 return NULL; | |
| 231 } | |
| 232 } |
