gfx/skia/trunk/src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp@6474c204b198
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.
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 */
9 #include "gl/GrGLInterface.h"
10 #include "gl/GrGLUtil.h"
11 #define WIN32_LEAN_AND_MEAN
12 #include <windows.h>
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 */
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);
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; }
36 private:
37 HMODULE fModule;
38 };
40 const GrGLInterface* GrGLCreateNativeInterface() {
41 AutoLibraryUnload alu("opengl32.dll");
42 if (NULL == alu.get()) {
43 return NULL;
44 }
46 if (NULL != wglGetCurrentContext()) {
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 }
57 // This may or may not succeed depending on the gl version.
58 GrGLGetStringiProc glGetStringi = (GrGLGetStringiProc) wglGetProcAddress("glGetStringi");
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);
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);
73 // Functions that are part of GL 1.1 will return NULL in
74 // wglGetProcAddress
75 SET_PROC(BindTexture)
76 SET_PROC(BlendFunc)
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 }
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)
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);
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 }
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);
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 }
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 }
308 interface->fStandard = kGL_GrGLStandard;
309 interface->fExtensions.swap(&extensions);
311 return interface;
312 } else {
313 return NULL;
314 }
315 }
