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comparison: gfx/skia/trunk/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp
gfx/skia/trunk/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp
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| -1:000000000000 | 0:d97fe6c91145 |
|---|---|
| 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/GrGLInterface.h" | |
| 10 #include "gl/GrGLUtil.h" | |
| 11 #define WIN32_LEAN_AND_MEAN | |
| 12 #include <windows.h> | |
| 13 | |
| 14 /* | |
| 15 * Windows makes the GL funcs all be __stdcall instead of __cdecl :( | |
| 16 * This implementation will only work if GR_GL_FUNCTION_TYPE is __stdcall. | |
| 17 * Otherwise, a springboard would be needed that hides the calling convention. | |
| 18 */ | |
| 19 | |
| 20 #define SET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) GetProcAddress(alu.get(), "gl" #F); | |
| 21 #define WGL_SET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F); | |
| 22 #define WGL_SET_PROC_SUFFIX(F, S) interface->fFunctions.f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F #S); | |
| 23 | |
| 24 class AutoLibraryUnload { | |
| 25 public: | |
| 26 AutoLibraryUnload(const char* moduleName) { | |
| 27 fModule = LoadLibrary(moduleName); | |
| 28 } | |
| 29 ~AutoLibraryUnload() { | |
| 30 if (NULL != fModule) { | |
| 31 FreeLibrary(fModule); | |
| 32 } | |
| 33 } | |
| 34 HMODULE get() const { return fModule; } | |
| 35 | |
| 36 private: | |
| 37 HMODULE fModule; | |
| 38 }; | |
| 39 | |
| 40 const GrGLInterface* GrGLCreateNativeInterface() { | |
| 41 AutoLibraryUnload alu("opengl32.dll"); | |
| 42 if (NULL == alu.get()) { | |
| 43 return NULL; | |
| 44 } | |
| 45 | |
| 46 if (NULL != wglGetCurrentContext()) { | |
| 47 | |
| 48 // These should always be present and don't require wglGetProcAddress | |
| 49 GrGLGetStringProc glGetString = | |
| 50 (GrGLGetStringProc) GetProcAddress(alu.get(), "glGetString"); | |
| 51 GrGLGetIntegervProc glGetIntegerv = | |
| 52 (GrGLGetIntegervProc) GetProcAddress(alu.get(), "glGetIntegerv"); | |
| 53 if (NULL == glGetString || NULL == glGetIntegerv) { | |
| 54 return NULL; | |
| 55 } | |
| 56 | |
| 57 // This may or may not succeed depending on the gl version. | |
| 58 GrGLGetStringiProc glGetStringi = (GrGLGetStringiProc) wglGetProcAddress("glGetStringi"); | |
| 59 | |
| 60 GrGLExtensions extensions; | |
| 61 if (!extensions.init(kGL_GrGLStandard, glGetString, glGetStringi, glGetIntegerv)) { | |
| 62 return NULL; | |
| 63 } | |
| 64 const char* versionString = (const char*) glGetString(GR_GL_VERSION); | |
| 65 GrGLVersion glVer = GrGLGetVersionFromString(versionString); | |
| 66 | |
| 67 if (glVer < GR_GL_VER(1,5)) { | |
| 68 // We must have array and element_array buffer objects. | |
| 69 return NULL; | |
| 70 } | |
| 71 GrGLInterface* interface = SkNEW(GrGLInterface); | |
| 72 | |
| 73 // Functions that are part of GL 1.1 will return NULL in | |
| 74 // wglGetProcAddress | |
| 75 SET_PROC(BindTexture) | |
| 76 SET_PROC(BlendFunc) | |
| 77 | |
| 78 if (glVer >= GR_GL_VER(1,4) || | |
| 79 extensions.has("GL_ARB_imaging") || | |
| 80 extensions.has("GL_EXT_blend_color")) { | |
| 81 WGL_SET_PROC(BlendColor); | |
| 82 } | |
| 83 | |
| 84 SET_PROC(Clear) | |
| 85 SET_PROC(ClearColor) | |
| 86 SET_PROC(ClearStencil) | |
| 87 SET_PROC(ColorMask) | |
| 88 SET_PROC(CopyTexSubImage2D) | |
| 89 SET_PROC(CullFace) | |
| 90 SET_PROC(DeleteTextures) | |
| 91 SET_PROC(DepthMask) | |
| 92 SET_PROC(Disable) | |
| 93 SET_PROC(DrawArrays) | |
| 94 SET_PROC(DrawElements) | |
| 95 SET_PROC(DrawBuffer) | |
| 96 SET_PROC(Enable) | |
| 97 SET_PROC(FrontFace) | |
| 98 SET_PROC(Finish) | |
| 99 SET_PROC(Flush) | |
| 100 SET_PROC(GenTextures) | |
| 101 SET_PROC(GetError) | |
| 102 SET_PROC(GetIntegerv) | |
| 103 SET_PROC(GetString) | |
| 104 SET_PROC(GetTexLevelParameteriv) | |
| 105 SET_PROC(LineWidth) | |
| 106 SET_PROC(LoadIdentity) | |
| 107 SET_PROC(LoadMatrixf) | |
| 108 SET_PROC(MatrixMode) | |
| 109 SET_PROC(PixelStorei) | |
| 110 SET_PROC(ReadBuffer) | |
| 111 SET_PROC(ReadPixels) | |
| 112 SET_PROC(Scissor) | |
| 113 SET_PROC(StencilFunc) | |
| 114 SET_PROC(StencilMask) | |
| 115 SET_PROC(StencilOp) | |
| 116 SET_PROC(TexGenfv) | |
| 117 SET_PROC(TexGeni) | |
| 118 SET_PROC(TexImage2D) | |
| 119 SET_PROC(TexParameteri) | |
| 120 SET_PROC(TexParameteriv) | |
| 121 if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) { | |
| 122 WGL_SET_PROC(TexStorage2D); | |
| 123 } else if (extensions.has("GL_EXT_texture_storage")) { | |
| 124 WGL_SET_PROC_SUFFIX(TexStorage2D, EXT); | |
| 125 } | |
| 126 SET_PROC(TexSubImage2D) | |
| 127 SET_PROC(Viewport) | |
| 128 | |
| 129 WGL_SET_PROC(ActiveTexture); | |
| 130 WGL_SET_PROC(AttachShader); | |
| 131 WGL_SET_PROC(BeginQuery); | |
| 132 WGL_SET_PROC(BindAttribLocation); | |
| 133 WGL_SET_PROC(BindBuffer); | |
| 134 WGL_SET_PROC(BindFragDataLocation); | |
| 135 WGL_SET_PROC(BufferData); | |
| 136 WGL_SET_PROC(BufferSubData); | |
| 137 WGL_SET_PROC(CompileShader); | |
| 138 WGL_SET_PROC(CompressedTexImage2D); | |
| 139 WGL_SET_PROC(CreateProgram); | |
| 140 WGL_SET_PROC(CreateShader); | |
| 141 WGL_SET_PROC(DeleteBuffers); | |
| 142 WGL_SET_PROC(DeleteQueries); | |
| 143 WGL_SET_PROC(DeleteProgram); | |
| 144 WGL_SET_PROC(DeleteShader); | |
| 145 WGL_SET_PROC(DisableVertexAttribArray); | |
| 146 WGL_SET_PROC(DrawBuffers); | |
| 147 WGL_SET_PROC(EnableVertexAttribArray); | |
| 148 WGL_SET_PROC(EndQuery); | |
| 149 WGL_SET_PROC(GenBuffers); | |
| 150 WGL_SET_PROC(GenerateMipmap); | |
| 151 WGL_SET_PROC(GenQueries); | |
| 152 WGL_SET_PROC(GetBufferParameteriv); | |
| 153 WGL_SET_PROC(GetQueryiv); | |
| 154 WGL_SET_PROC(GetQueryObjectiv); | |
| 155 WGL_SET_PROC(GetQueryObjectuiv); | |
| 156 if (glVer > GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) { | |
| 157 WGL_SET_PROC(GetQueryObjecti64v); | |
| 158 WGL_SET_PROC(GetQueryObjectui64v); | |
| 159 WGL_SET_PROC(QueryCounter); | |
| 160 } else if (extensions.has("GL_EXT_timer_query")) { | |
| 161 WGL_SET_PROC_SUFFIX(GetQueryObjecti64v, EXT); | |
| 162 WGL_SET_PROC_SUFFIX(GetQueryObjectui64v, EXT); | |
| 163 } | |
| 164 WGL_SET_PROC(GetProgramInfoLog); | |
| 165 WGL_SET_PROC(GetProgramiv); | |
| 166 WGL_SET_PROC(GetShaderInfoLog); | |
| 167 WGL_SET_PROC(GetShaderiv); | |
| 168 WGL_SET_PROC(GetStringi) | |
| 169 WGL_SET_PROC(GetUniformLocation); | |
| 170 WGL_SET_PROC(LinkProgram); | |
| 171 WGL_SET_PROC(ShaderSource); | |
| 172 WGL_SET_PROC(StencilFuncSeparate); | |
| 173 WGL_SET_PROC(StencilMaskSeparate); | |
| 174 WGL_SET_PROC(StencilOpSeparate); | |
| 175 WGL_SET_PROC(Uniform1f); | |
| 176 WGL_SET_PROC(Uniform1i); | |
| 177 WGL_SET_PROC(Uniform1fv); | |
| 178 WGL_SET_PROC(Uniform1iv); | |
| 179 WGL_SET_PROC(Uniform2f); | |
| 180 WGL_SET_PROC(Uniform2i); | |
| 181 WGL_SET_PROC(Uniform2fv); | |
| 182 WGL_SET_PROC(Uniform2iv); | |
| 183 WGL_SET_PROC(Uniform3f); | |
| 184 WGL_SET_PROC(Uniform3i); | |
| 185 WGL_SET_PROC(Uniform3fv); | |
| 186 WGL_SET_PROC(Uniform3iv); | |
| 187 WGL_SET_PROC(Uniform4f); | |
| 188 WGL_SET_PROC(Uniform4i); | |
| 189 WGL_SET_PROC(Uniform4fv); | |
| 190 WGL_SET_PROC(Uniform4iv); | |
| 191 WGL_SET_PROC(UniformMatrix2fv); | |
| 192 WGL_SET_PROC(UniformMatrix3fv); | |
| 193 WGL_SET_PROC(UniformMatrix4fv); | |
| 194 WGL_SET_PROC(UseProgram); | |
| 195 WGL_SET_PROC(VertexAttrib4fv); | |
| 196 WGL_SET_PROC(VertexAttribPointer); | |
| 197 WGL_SET_PROC(BindFragDataLocationIndexed); | |
| 198 | |
| 199 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) { | |
| 200 // no ARB suffix for GL_ARB_vertex_array_object | |
| 201 WGL_SET_PROC(BindVertexArray); | |
| 202 WGL_SET_PROC(DeleteVertexArrays); | |
| 203 WGL_SET_PROC(GenVertexArrays); | |
| 204 } | |
| 205 | |
| 206 // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since | |
| 207 // GL_ARB_framebuffer_object doesn't use ARB suffix.) | |
| 208 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) { | |
| 209 WGL_SET_PROC(GenFramebuffers); | |
| 210 WGL_SET_PROC(GetFramebufferAttachmentParameteriv); | |
| 211 WGL_SET_PROC(GetRenderbufferParameteriv); | |
| 212 WGL_SET_PROC(BindFramebuffer); | |
| 213 WGL_SET_PROC(FramebufferTexture2D); | |
| 214 WGL_SET_PROC(CheckFramebufferStatus); | |
| 215 WGL_SET_PROC(DeleteFramebuffers); | |
| 216 WGL_SET_PROC(RenderbufferStorage); | |
| 217 WGL_SET_PROC(GenRenderbuffers); | |
| 218 WGL_SET_PROC(DeleteRenderbuffers); | |
| 219 WGL_SET_PROC(FramebufferRenderbuffer); | |
| 220 WGL_SET_PROC(BindRenderbuffer); | |
| 221 WGL_SET_PROC(RenderbufferStorageMultisample); | |
| 222 WGL_SET_PROC(BlitFramebuffer); | |
| 223 } else if (extensions.has("GL_EXT_framebuffer_object")) { | |
| 224 WGL_SET_PROC_SUFFIX(GenFramebuffers, EXT); | |
| 225 WGL_SET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); | |
| 226 WGL_SET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); | |
| 227 WGL_SET_PROC_SUFFIX(BindFramebuffer, EXT); | |
| 228 WGL_SET_PROC_SUFFIX(FramebufferTexture2D, EXT); | |
| 229 WGL_SET_PROC_SUFFIX(CheckFramebufferStatus, EXT); | |
| 230 WGL_SET_PROC_SUFFIX(DeleteFramebuffers, EXT); | |
| 231 WGL_SET_PROC_SUFFIX(RenderbufferStorage, EXT); | |
| 232 WGL_SET_PROC_SUFFIX(GenRenderbuffers, EXT); | |
| 233 WGL_SET_PROC_SUFFIX(DeleteRenderbuffers, EXT); | |
| 234 WGL_SET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); | |
| 235 WGL_SET_PROC_SUFFIX(BindRenderbuffer, EXT); | |
| 236 if (extensions.has("GL_EXT_framebuffer_multisample")) { | |
| 237 WGL_SET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); | |
| 238 } | |
| 239 if (extensions.has("GL_EXT_framebuffer_blit")) { | |
| 240 WGL_SET_PROC_SUFFIX(BlitFramebuffer, EXT); | |
| 241 } | |
| 242 } else { | |
| 243 // we must have FBOs | |
| 244 delete interface; | |
| 245 return NULL; | |
| 246 } | |
| 247 WGL_SET_PROC(MapBuffer); | |
| 248 WGL_SET_PROC(UnmapBuffer); | |
| 249 | |
| 250 if (extensions.has("GL_NV_path_rendering")) { | |
| 251 WGL_SET_PROC_SUFFIX(PathCommands, NV); | |
| 252 WGL_SET_PROC_SUFFIX(PathCoords, NV); | |
| 253 WGL_SET_PROC_SUFFIX(PathSubCommands, NV); | |
| 254 WGL_SET_PROC_SUFFIX(PathSubCoords, NV); | |
| 255 WGL_SET_PROC_SUFFIX(PathString, NV); | |
| 256 WGL_SET_PROC_SUFFIX(PathGlyphs, NV); | |
| 257 WGL_SET_PROC_SUFFIX(PathGlyphRange, NV); | |
| 258 WGL_SET_PROC_SUFFIX(WeightPaths, NV); | |
| 259 WGL_SET_PROC_SUFFIX(CopyPath, NV); | |
| 260 WGL_SET_PROC_SUFFIX(InterpolatePaths, NV); | |
| 261 WGL_SET_PROC_SUFFIX(TransformPath, NV); | |
| 262 WGL_SET_PROC_SUFFIX(PathParameteriv, NV); | |
| 263 WGL_SET_PROC_SUFFIX(PathParameteri, NV); | |
| 264 WGL_SET_PROC_SUFFIX(PathParameterfv, NV); | |
| 265 WGL_SET_PROC_SUFFIX(PathParameterf, NV); | |
| 266 WGL_SET_PROC_SUFFIX(PathDashArray, NV); | |
| 267 WGL_SET_PROC_SUFFIX(GenPaths, NV); | |
| 268 WGL_SET_PROC_SUFFIX(DeletePaths, NV); | |
| 269 WGL_SET_PROC_SUFFIX(IsPath, NV); | |
| 270 WGL_SET_PROC_SUFFIX(PathStencilFunc, NV); | |
| 271 WGL_SET_PROC_SUFFIX(PathStencilDepthOffset, NV); | |
| 272 WGL_SET_PROC_SUFFIX(StencilFillPath, NV); | |
| 273 WGL_SET_PROC_SUFFIX(StencilStrokePath, NV); | |
| 274 WGL_SET_PROC_SUFFIX(StencilFillPathInstanced, NV); | |
| 275 WGL_SET_PROC_SUFFIX(StencilStrokePathInstanced, NV); | |
| 276 WGL_SET_PROC_SUFFIX(PathCoverDepthFunc, NV); | |
| 277 WGL_SET_PROC_SUFFIX(PathColorGen, NV); | |
| 278 WGL_SET_PROC_SUFFIX(PathTexGen, NV); | |
| 279 WGL_SET_PROC_SUFFIX(PathFogGen, NV); | |
| 280 WGL_SET_PROC_SUFFIX(CoverFillPath, NV); | |
| 281 WGL_SET_PROC_SUFFIX(CoverStrokePath, NV); | |
| 282 WGL_SET_PROC_SUFFIX(CoverFillPathInstanced, NV); | |
| 283 WGL_SET_PROC_SUFFIX(CoverStrokePathInstanced, NV); | |
| 284 WGL_SET_PROC_SUFFIX(GetPathParameteriv, NV); | |
| 285 WGL_SET_PROC_SUFFIX(GetPathParameterfv, NV); | |
| 286 WGL_SET_PROC_SUFFIX(GetPathCommands, NV); | |
| 287 WGL_SET_PROC_SUFFIX(GetPathCoords, NV); | |
| 288 WGL_SET_PROC_SUFFIX(GetPathDashArray, NV); | |
| 289 WGL_SET_PROC_SUFFIX(GetPathMetrics, NV); | |
| 290 WGL_SET_PROC_SUFFIX(GetPathMetricRange, NV); | |
| 291 WGL_SET_PROC_SUFFIX(GetPathSpacing, NV); | |
| 292 WGL_SET_PROC_SUFFIX(GetPathColorGeniv, NV); | |
| 293 WGL_SET_PROC_SUFFIX(GetPathColorGenfv, NV); | |
| 294 WGL_SET_PROC_SUFFIX(GetPathTexGeniv, NV); | |
| 295 WGL_SET_PROC_SUFFIX(GetPathTexGenfv, NV); | |
| 296 WGL_SET_PROC_SUFFIX(IsPointInFillPath, NV); | |
| 297 WGL_SET_PROC_SUFFIX(IsPointInStrokePath, NV); | |
| 298 WGL_SET_PROC_SUFFIX(GetPathLength, NV); | |
| 299 WGL_SET_PROC_SUFFIX(PointAlongPath, NV); | |
| 300 } | |
| 301 | |
| 302 if (extensions.has("GL_EXT_debug_marker")) { | |
| 303 WGL_SET_PROC_SUFFIX(InsertEventMarker, EXT); | |
| 304 WGL_SET_PROC_SUFFIX(PushGroupMarker, EXT); | |
| 305 WGL_SET_PROC_SUFFIX(PopGroupMarker, EXT); | |
| 306 } | |
| 307 | |
| 308 interface->fStandard = kGL_GrGLStandard; | |
| 309 interface->fExtensions.swap(&extensions); | |
| 310 | |
| 311 return interface; | |
| 312 } else { | |
| 313 return NULL; | |
| 314 } | |
| 315 } |
