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gfx/skia/trunk/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp@6474c204b198 (annotated)

gfx/skia/trunk/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1
michael@0 2 /*
michael@0 3 * Copyright 2011 Google Inc.
michael@0 4 *
michael@0 5 * Use of this source code is governed by a BSD-style license that can be
michael@0 6 * found in the LICENSE file.
michael@0 7 */
michael@0 8
michael@0 9 #include "gl/GrGLInterface.h"
michael@0 10 #include "gl/GrGLUtil.h"
michael@0 11 #define WIN32_LEAN_AND_MEAN
michael@0 12 #include <windows.h>
michael@0 13
michael@0 14 /*
michael@0 15 * Windows makes the GL funcs all be __stdcall instead of __cdecl :(
michael@0 16 * This implementation will only work if GR_GL_FUNCTION_TYPE is __stdcall.
michael@0 17 * Otherwise, a springboard would be needed that hides the calling convention.
michael@0 18 */
michael@0 19
michael@0 20 #define SET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) GetProcAddress(alu.get(), "gl" #F);
michael@0 21 #define WGL_SET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F);
michael@0 22 #define WGL_SET_PROC_SUFFIX(F, S) interface->fFunctions.f ## F = (GrGL ## F ## Proc) wglGetProcAddress("gl" #F #S);
michael@0 23
michael@0 24 class AutoLibraryUnload {
michael@0 25 public:
michael@0 26 AutoLibraryUnload(const char* moduleName) {
michael@0 27 fModule = LoadLibrary(moduleName);
michael@0 28 }
michael@0 29 ~AutoLibraryUnload() {
michael@0 30 if (NULL != fModule) {
michael@0 31 FreeLibrary(fModule);
michael@0 32 }
michael@0 33 }
michael@0 34 HMODULE get() const { return fModule; }
michael@0 35
michael@0 36 private:
michael@0 37 HMODULE fModule;
michael@0 38 };
michael@0 39
michael@0 40 const GrGLInterface* GrGLCreateNativeInterface() {
michael@0 41 AutoLibraryUnload alu("opengl32.dll");
michael@0 42 if (NULL == alu.get()) {
michael@0 43 return NULL;
michael@0 44 }
michael@0 45
michael@0 46 if (NULL != wglGetCurrentContext()) {
michael@0 47
michael@0 48 // These should always be present and don't require wglGetProcAddress
michael@0 49 GrGLGetStringProc glGetString =
michael@0 50 (GrGLGetStringProc) GetProcAddress(alu.get(), "glGetString");
michael@0 51 GrGLGetIntegervProc glGetIntegerv =
michael@0 52 (GrGLGetIntegervProc) GetProcAddress(alu.get(), "glGetIntegerv");
michael@0 53 if (NULL == glGetString || NULL == glGetIntegerv) {
michael@0 54 return NULL;
michael@0 55 }
michael@0 56
michael@0 57 // This may or may not succeed depending on the gl version.
michael@0 58 GrGLGetStringiProc glGetStringi = (GrGLGetStringiProc) wglGetProcAddress("glGetStringi");
michael@0 59
michael@0 60 GrGLExtensions extensions;
michael@0 61 if (!extensions.init(kGL_GrGLStandard, glGetString, glGetStringi, glGetIntegerv)) {
michael@0 62 return NULL;
michael@0 63 }
michael@0 64 const char* versionString = (const char*) glGetString(GR_GL_VERSION);
michael@0 65 GrGLVersion glVer = GrGLGetVersionFromString(versionString);
michael@0 66
michael@0 67 if (glVer < GR_GL_VER(1,5)) {
michael@0 68 // We must have array and element_array buffer objects.
michael@0 69 return NULL;
michael@0 70 }
michael@0 71 GrGLInterface* interface = SkNEW(GrGLInterface);
michael@0 72
michael@0 73 // Functions that are part of GL 1.1 will return NULL in
michael@0 74 // wglGetProcAddress
michael@0 75 SET_PROC(BindTexture)
michael@0 76 SET_PROC(BlendFunc)
michael@0 77
michael@0 78 if (glVer >= GR_GL_VER(1,4) ||
michael@0 79 extensions.has("GL_ARB_imaging") ||
michael@0 80 extensions.has("GL_EXT_blend_color")) {
michael@0 81 WGL_SET_PROC(BlendColor);
michael@0 82 }
michael@0 83
michael@0 84 SET_PROC(Clear)
michael@0 85 SET_PROC(ClearColor)
michael@0 86 SET_PROC(ClearStencil)
michael@0 87 SET_PROC(ColorMask)
michael@0 88 SET_PROC(CopyTexSubImage2D)
michael@0 89 SET_PROC(CullFace)
michael@0 90 SET_PROC(DeleteTextures)
michael@0 91 SET_PROC(DepthMask)
michael@0 92 SET_PROC(Disable)
michael@0 93 SET_PROC(DrawArrays)
michael@0 94 SET_PROC(DrawElements)
michael@0 95 SET_PROC(DrawBuffer)
michael@0 96 SET_PROC(Enable)
michael@0 97 SET_PROC(FrontFace)
michael@0 98 SET_PROC(Finish)
michael@0 99 SET_PROC(Flush)
michael@0 100 SET_PROC(GenTextures)
michael@0 101 SET_PROC(GetError)
michael@0 102 SET_PROC(GetIntegerv)
michael@0 103 SET_PROC(GetString)
michael@0 104 SET_PROC(GetTexLevelParameteriv)
michael@0 105 SET_PROC(LineWidth)
michael@0 106 SET_PROC(LoadIdentity)
michael@0 107 SET_PROC(LoadMatrixf)
michael@0 108 SET_PROC(MatrixMode)
michael@0 109 SET_PROC(PixelStorei)
michael@0 110 SET_PROC(ReadBuffer)
michael@0 111 SET_PROC(ReadPixels)
michael@0 112 SET_PROC(Scissor)
michael@0 113 SET_PROC(StencilFunc)
michael@0 114 SET_PROC(StencilMask)
michael@0 115 SET_PROC(StencilOp)
michael@0 116 SET_PROC(TexGenfv)
michael@0 117 SET_PROC(TexGeni)
michael@0 118 SET_PROC(TexImage2D)
michael@0 119 SET_PROC(TexParameteri)
michael@0 120 SET_PROC(TexParameteriv)
michael@0 121 if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) {
michael@0 122 WGL_SET_PROC(TexStorage2D);
michael@0 123 } else if (extensions.has("GL_EXT_texture_storage")) {
michael@0 124 WGL_SET_PROC_SUFFIX(TexStorage2D, EXT);
michael@0 125 }
michael@0 126 SET_PROC(TexSubImage2D)
michael@0 127 SET_PROC(Viewport)
michael@0 128
michael@0 129 WGL_SET_PROC(ActiveTexture);
michael@0 130 WGL_SET_PROC(AttachShader);
michael@0 131 WGL_SET_PROC(BeginQuery);
michael@0 132 WGL_SET_PROC(BindAttribLocation);
michael@0 133 WGL_SET_PROC(BindBuffer);
michael@0 134 WGL_SET_PROC(BindFragDataLocation);
michael@0 135 WGL_SET_PROC(BufferData);
michael@0 136 WGL_SET_PROC(BufferSubData);
michael@0 137 WGL_SET_PROC(CompileShader);
michael@0 138 WGL_SET_PROC(CompressedTexImage2D);
michael@0 139 WGL_SET_PROC(CreateProgram);
michael@0 140 WGL_SET_PROC(CreateShader);
michael@0 141 WGL_SET_PROC(DeleteBuffers);
michael@0 142 WGL_SET_PROC(DeleteQueries);
michael@0 143 WGL_SET_PROC(DeleteProgram);
michael@0 144 WGL_SET_PROC(DeleteShader);
michael@0 145 WGL_SET_PROC(DisableVertexAttribArray);
michael@0 146 WGL_SET_PROC(DrawBuffers);
michael@0 147 WGL_SET_PROC(EnableVertexAttribArray);
michael@0 148 WGL_SET_PROC(EndQuery);
michael@0 149 WGL_SET_PROC(GenBuffers);
michael@0 150 WGL_SET_PROC(GenerateMipmap);
michael@0 151 WGL_SET_PROC(GenQueries);
michael@0 152 WGL_SET_PROC(GetBufferParameteriv);
michael@0 153 WGL_SET_PROC(GetQueryiv);
michael@0 154 WGL_SET_PROC(GetQueryObjectiv);
michael@0 155 WGL_SET_PROC(GetQueryObjectuiv);
michael@0 156 if (glVer > GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
michael@0 157 WGL_SET_PROC(GetQueryObjecti64v);
michael@0 158 WGL_SET_PROC(GetQueryObjectui64v);
michael@0 159 WGL_SET_PROC(QueryCounter);
michael@0 160 } else if (extensions.has("GL_EXT_timer_query")) {
michael@0 161 WGL_SET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
michael@0 162 WGL_SET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
michael@0 163 }
michael@0 164 WGL_SET_PROC(GetProgramInfoLog);
michael@0 165 WGL_SET_PROC(GetProgramiv);
michael@0 166 WGL_SET_PROC(GetShaderInfoLog);
michael@0 167 WGL_SET_PROC(GetShaderiv);
michael@0 168 WGL_SET_PROC(GetStringi)
michael@0 169 WGL_SET_PROC(GetUniformLocation);
michael@0 170 WGL_SET_PROC(LinkProgram);
michael@0 171 WGL_SET_PROC(ShaderSource);
michael@0 172 WGL_SET_PROC(StencilFuncSeparate);
michael@0 173 WGL_SET_PROC(StencilMaskSeparate);
michael@0 174 WGL_SET_PROC(StencilOpSeparate);
michael@0 175 WGL_SET_PROC(Uniform1f);
michael@0 176 WGL_SET_PROC(Uniform1i);
michael@0 177 WGL_SET_PROC(Uniform1fv);
michael@0 178 WGL_SET_PROC(Uniform1iv);
michael@0 179 WGL_SET_PROC(Uniform2f);
michael@0 180 WGL_SET_PROC(Uniform2i);
michael@0 181 WGL_SET_PROC(Uniform2fv);
michael@0 182 WGL_SET_PROC(Uniform2iv);
michael@0 183 WGL_SET_PROC(Uniform3f);
michael@0 184 WGL_SET_PROC(Uniform3i);
michael@0 185 WGL_SET_PROC(Uniform3fv);
michael@0 186 WGL_SET_PROC(Uniform3iv);
michael@0 187 WGL_SET_PROC(Uniform4f);
michael@0 188 WGL_SET_PROC(Uniform4i);
michael@0 189 WGL_SET_PROC(Uniform4fv);
michael@0 190 WGL_SET_PROC(Uniform4iv);
michael@0 191 WGL_SET_PROC(UniformMatrix2fv);
michael@0 192 WGL_SET_PROC(UniformMatrix3fv);
michael@0 193 WGL_SET_PROC(UniformMatrix4fv);
michael@0 194 WGL_SET_PROC(UseProgram);
michael@0 195 WGL_SET_PROC(VertexAttrib4fv);
michael@0 196 WGL_SET_PROC(VertexAttribPointer);
michael@0 197 WGL_SET_PROC(BindFragDataLocationIndexed);
michael@0 198
michael@0 199 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) {
michael@0 200 // no ARB suffix for GL_ARB_vertex_array_object
michael@0 201 WGL_SET_PROC(BindVertexArray);
michael@0 202 WGL_SET_PROC(DeleteVertexArrays);
michael@0 203 WGL_SET_PROC(GenVertexArrays);
michael@0 204 }
michael@0 205
michael@0 206 // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
michael@0 207 // GL_ARB_framebuffer_object doesn't use ARB suffix.)
michael@0 208 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) {
michael@0 209 WGL_SET_PROC(GenFramebuffers);
michael@0 210 WGL_SET_PROC(GetFramebufferAttachmentParameteriv);
michael@0 211 WGL_SET_PROC(GetRenderbufferParameteriv);
michael@0 212 WGL_SET_PROC(BindFramebuffer);
michael@0 213 WGL_SET_PROC(FramebufferTexture2D);
michael@0 214 WGL_SET_PROC(CheckFramebufferStatus);
michael@0 215 WGL_SET_PROC(DeleteFramebuffers);
michael@0 216 WGL_SET_PROC(RenderbufferStorage);
michael@0 217 WGL_SET_PROC(GenRenderbuffers);
michael@0 218 WGL_SET_PROC(DeleteRenderbuffers);
michael@0 219 WGL_SET_PROC(FramebufferRenderbuffer);
michael@0 220 WGL_SET_PROC(BindRenderbuffer);
michael@0 221 WGL_SET_PROC(RenderbufferStorageMultisample);
michael@0 222 WGL_SET_PROC(BlitFramebuffer);
michael@0 223 } else if (extensions.has("GL_EXT_framebuffer_object")) {
michael@0 224 WGL_SET_PROC_SUFFIX(GenFramebuffers, EXT);
michael@0 225 WGL_SET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
michael@0 226 WGL_SET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
michael@0 227 WGL_SET_PROC_SUFFIX(BindFramebuffer, EXT);
michael@0 228 WGL_SET_PROC_SUFFIX(FramebufferTexture2D, EXT);
michael@0 229 WGL_SET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
michael@0 230 WGL_SET_PROC_SUFFIX(DeleteFramebuffers, EXT);
michael@0 231 WGL_SET_PROC_SUFFIX(RenderbufferStorage, EXT);
michael@0 232 WGL_SET_PROC_SUFFIX(GenRenderbuffers, EXT);
michael@0 233 WGL_SET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
michael@0 234 WGL_SET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
michael@0 235 WGL_SET_PROC_SUFFIX(BindRenderbuffer, EXT);
michael@0 236 if (extensions.has("GL_EXT_framebuffer_multisample")) {
michael@0 237 WGL_SET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
michael@0 238 }
michael@0 239 if (extensions.has("GL_EXT_framebuffer_blit")) {
michael@0 240 WGL_SET_PROC_SUFFIX(BlitFramebuffer, EXT);
michael@0 241 }
michael@0 242 } else {
michael@0 243 // we must have FBOs
michael@0 244 delete interface;
michael@0 245 return NULL;
michael@0 246 }
michael@0 247 WGL_SET_PROC(MapBuffer);
michael@0 248 WGL_SET_PROC(UnmapBuffer);
michael@0 249
michael@0 250 if (extensions.has("GL_NV_path_rendering")) {
michael@0 251 WGL_SET_PROC_SUFFIX(PathCommands, NV);
michael@0 252 WGL_SET_PROC_SUFFIX(PathCoords, NV);
michael@0 253 WGL_SET_PROC_SUFFIX(PathSubCommands, NV);
michael@0 254 WGL_SET_PROC_SUFFIX(PathSubCoords, NV);
michael@0 255 WGL_SET_PROC_SUFFIX(PathString, NV);
michael@0 256 WGL_SET_PROC_SUFFIX(PathGlyphs, NV);
michael@0 257 WGL_SET_PROC_SUFFIX(PathGlyphRange, NV);
michael@0 258 WGL_SET_PROC_SUFFIX(WeightPaths, NV);
michael@0 259 WGL_SET_PROC_SUFFIX(CopyPath, NV);
michael@0 260 WGL_SET_PROC_SUFFIX(InterpolatePaths, NV);
michael@0 261 WGL_SET_PROC_SUFFIX(TransformPath, NV);
michael@0 262 WGL_SET_PROC_SUFFIX(PathParameteriv, NV);
michael@0 263 WGL_SET_PROC_SUFFIX(PathParameteri, NV);
michael@0 264 WGL_SET_PROC_SUFFIX(PathParameterfv, NV);
michael@0 265 WGL_SET_PROC_SUFFIX(PathParameterf, NV);
michael@0 266 WGL_SET_PROC_SUFFIX(PathDashArray, NV);
michael@0 267 WGL_SET_PROC_SUFFIX(GenPaths, NV);
michael@0 268 WGL_SET_PROC_SUFFIX(DeletePaths, NV);
michael@0 269 WGL_SET_PROC_SUFFIX(IsPath, NV);
michael@0 270 WGL_SET_PROC_SUFFIX(PathStencilFunc, NV);
michael@0 271 WGL_SET_PROC_SUFFIX(PathStencilDepthOffset, NV);
michael@0 272 WGL_SET_PROC_SUFFIX(StencilFillPath, NV);
michael@0 273 WGL_SET_PROC_SUFFIX(StencilStrokePath, NV);
michael@0 274 WGL_SET_PROC_SUFFIX(StencilFillPathInstanced, NV);
michael@0 275 WGL_SET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
michael@0 276 WGL_SET_PROC_SUFFIX(PathCoverDepthFunc, NV);
michael@0 277 WGL_SET_PROC_SUFFIX(PathColorGen, NV);
michael@0 278 WGL_SET_PROC_SUFFIX(PathTexGen, NV);
michael@0 279 WGL_SET_PROC_SUFFIX(PathFogGen, NV);
michael@0 280 WGL_SET_PROC_SUFFIX(CoverFillPath, NV);
michael@0 281 WGL_SET_PROC_SUFFIX(CoverStrokePath, NV);
michael@0 282 WGL_SET_PROC_SUFFIX(CoverFillPathInstanced, NV);
michael@0 283 WGL_SET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
michael@0 284 WGL_SET_PROC_SUFFIX(GetPathParameteriv, NV);
michael@0 285 WGL_SET_PROC_SUFFIX(GetPathParameterfv, NV);
michael@0 286 WGL_SET_PROC_SUFFIX(GetPathCommands, NV);
michael@0 287 WGL_SET_PROC_SUFFIX(GetPathCoords, NV);
michael@0 288 WGL_SET_PROC_SUFFIX(GetPathDashArray, NV);
michael@0 289 WGL_SET_PROC_SUFFIX(GetPathMetrics, NV);
michael@0 290 WGL_SET_PROC_SUFFIX(GetPathMetricRange, NV);
michael@0 291 WGL_SET_PROC_SUFFIX(GetPathSpacing, NV);
michael@0 292 WGL_SET_PROC_SUFFIX(GetPathColorGeniv, NV);
michael@0 293 WGL_SET_PROC_SUFFIX(GetPathColorGenfv, NV);
michael@0 294 WGL_SET_PROC_SUFFIX(GetPathTexGeniv, NV);
michael@0 295 WGL_SET_PROC_SUFFIX(GetPathTexGenfv, NV);
michael@0 296 WGL_SET_PROC_SUFFIX(IsPointInFillPath, NV);
michael@0 297 WGL_SET_PROC_SUFFIX(IsPointInStrokePath, NV);
michael@0 298 WGL_SET_PROC_SUFFIX(GetPathLength, NV);
michael@0 299 WGL_SET_PROC_SUFFIX(PointAlongPath, NV);
michael@0 300 }
michael@0 301
michael@0 302 if (extensions.has("GL_EXT_debug_marker")) {
michael@0 303 WGL_SET_PROC_SUFFIX(InsertEventMarker, EXT);
michael@0 304 WGL_SET_PROC_SUFFIX(PushGroupMarker, EXT);
michael@0 305 WGL_SET_PROC_SUFFIX(PopGroupMarker, EXT);
michael@0 306 }
michael@0 307
michael@0 308 interface->fStandard = kGL_GrGLStandard;
michael@0 309 interface->fExtensions.swap(&extensions);
michael@0 310
michael@0 311 return interface;
michael@0 312 } else {
michael@0 313 return NULL;
michael@0 314 }
michael@0 315 }

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