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Side by Side Diff: src/gpu/gl/win/GrGLCreateNativeInterface_win.cpp

Issue 254713006: Common GrGLInterface OpenGL setup function. (Closed) Base URL: https://skia.googlesource.com/skia.git@grgl
Patch Set: Address additional comment Created 6 years, 7 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #include "gl/GrGLInterface.h" 9 #include "gl/GrGLInterface.h"
10 #include "gl/GrGLUtil.h" 10 #include "gl/GrGLAssembleInterface.h"
11 #define WIN32_LEAN_AND_MEAN 11 #define WIN32_LEAN_AND_MEAN
12 #include <windows.h> 12 #include <windows.h>
13 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) GetProcAd dress(alu.get(), "gl" #F);
21 #define WGL_SET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) wglGe tProcAddress("gl" #F);
22 #define WGL_SET_PROC_SUFFIX(F, S) interface->fFunctions.f ## F = (GrGL ## F ## P roc) wglGetProcAddress("gl" #F #S);
23
24 class AutoLibraryUnload { 14 class AutoLibraryUnload {
25 public: 15 public:
26 AutoLibraryUnload(const char* moduleName) { 16 AutoLibraryUnload(const char* moduleName) {
27 fModule = LoadLibrary(moduleName); 17 fModule = LoadLibrary(moduleName);
28 } 18 }
29 ~AutoLibraryUnload() { 19 ~AutoLibraryUnload() {
30 if (NULL != fModule) { 20 if (NULL != fModule) {
31 FreeLibrary(fModule); 21 FreeLibrary(fModule);
32 } 22 }
33 } 23 }
34 HMODULE get() const { return fModule; } 24 HMODULE get() const { return fModule; }
35 25
36 private: 26 private:
37 HMODULE fModule; 27 HMODULE fModule;
38 }; 28 };
39 29
40 const GrGLInterface* GrGLCreateNativeInterface() { 30 class GLProcGetter {
41 AutoLibraryUnload alu("opengl32.dll"); 31 public:
42 if (NULL == alu.get()) { 32 GLProcGetter() : fGLLib("opengl32.dll") {}
33
34 bool isInitialized() const { return NULL != fGLLib.get(); }
35
36 GrGLFuncPtr getProc(const char name[]) const {
37 GrGLFuncPtr proc;
38 if (NULL != (proc = (GrGLFuncPtr) GetProcAddress(fGLLib.get(), name))) {
39 return proc;
40 }
41 if (NULL != (proc = (GrGLFuncPtr) wglGetProcAddress(name))) {
42 return proc;
43 }
43 return NULL; 44 return NULL;
44 } 45 }
45 46
46 if (NULL != wglGetCurrentContext()) { 47 private:
48 AutoLibraryUnload fGLLib;
49 };
47 50
48 // These should always be present and don't require wglGetProcAddress 51 static GrGLFuncPtr win_get_gl_proc(void* ctx, const char name[]) {
49 GrGLGetStringProc glGetString = 52 SkASSERT(NULL != ctx);
50 (GrGLGetStringProc) GetProcAddress(alu.get(), "glGetString"); 53 SkASSERT(NULL != wglGetCurrentContext());
51 GrGLGetIntegervProc glGetIntegerv = 54 const GLProcGetter* getter = (const GLProcGetter*) ctx;
52 (GrGLGetIntegervProc) GetProcAddress(alu.get(), "glGetIntegerv"); 55 return getter->getProc(name);
53 if (NULL == glGetString || NULL == glGetIntegerv) { 56 }
54 return NULL;
55 }
56 57
57 // This may or may not succeed depending on the gl version. 58 /*
58 GrGLGetStringiProc glGetStringi = (GrGLGetStringiProc) wglGetProcAddres s("glGetStringi"); 59 * Windows makes the GL funcs all be __stdcall instead of __cdecl :(
59 60 * This implementation will only work if GR_GL_FUNCTION_TYPE is __stdcall.
60 GrGLExtensions extensions; 61 * Otherwise, a springboard would be needed that hides the calling convention.
61 if (!extensions.init(kGL_GrGLStandard, glGetString, glGetStringi, glGetI ntegerv)) { 62 */
62 return NULL; 63 const GrGLInterface* GrGLCreateNativeInterface() {
63 } 64 if (NULL == wglGetCurrentContext()) {
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(PixelStorei)
107 SET_PROC(ReadBuffer)
108 SET_PROC(ReadPixels)
109 SET_PROC(Scissor)
110 SET_PROC(StencilFunc)
111 SET_PROC(StencilMask)
112 SET_PROC(StencilOp)
113 SET_PROC(TexImage2D)
114 SET_PROC(TexParameteri)
115 SET_PROC(TexParameteriv)
116 if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) {
117 WGL_SET_PROC(TexStorage2D);
118 } else if (extensions.has("GL_EXT_texture_storage")) {
119 WGL_SET_PROC_SUFFIX(TexStorage2D, EXT);
120 }
121 SET_PROC(TexSubImage2D)
122 SET_PROC(Viewport)
123
124 WGL_SET_PROC(ActiveTexture);
125 WGL_SET_PROC(AttachShader);
126 WGL_SET_PROC(BeginQuery);
127 WGL_SET_PROC(BindAttribLocation);
128 WGL_SET_PROC(BindBuffer);
129 WGL_SET_PROC(BindFragDataLocation);
130 WGL_SET_PROC(BufferData);
131 WGL_SET_PROC(BufferSubData);
132 WGL_SET_PROC(CompileShader);
133 WGL_SET_PROC(CompressedTexImage2D);
134 WGL_SET_PROC(CreateProgram);
135 WGL_SET_PROC(CreateShader);
136 WGL_SET_PROC(DeleteBuffers);
137 WGL_SET_PROC(DeleteQueries);
138 WGL_SET_PROC(DeleteProgram);
139 WGL_SET_PROC(DeleteShader);
140 WGL_SET_PROC(DisableVertexAttribArray);
141 WGL_SET_PROC(DrawBuffers);
142 WGL_SET_PROC(EnableVertexAttribArray);
143 WGL_SET_PROC(EndQuery);
144 WGL_SET_PROC(GenBuffers);
145 WGL_SET_PROC(GenerateMipmap);
146 WGL_SET_PROC(GenQueries);
147 WGL_SET_PROC(GetBufferParameteriv);
148 WGL_SET_PROC(GetQueryiv);
149 WGL_SET_PROC(GetQueryObjectiv);
150 WGL_SET_PROC(GetQueryObjectuiv);
151 if (glVer > GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
152 WGL_SET_PROC(GetQueryObjecti64v);
153 WGL_SET_PROC(GetQueryObjectui64v);
154 WGL_SET_PROC(QueryCounter);
155 } else if (extensions.has("GL_EXT_timer_query")) {
156 WGL_SET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
157 WGL_SET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
158 }
159 WGL_SET_PROC(GetProgramInfoLog);
160 WGL_SET_PROC(GetProgramiv);
161 WGL_SET_PROC(GetShaderInfoLog);
162 WGL_SET_PROC(GetShaderiv);
163 WGL_SET_PROC(GetStringi)
164 WGL_SET_PROC(GetUniformLocation);
165 WGL_SET_PROC(LinkProgram);
166 WGL_SET_PROC(ShaderSource);
167 WGL_SET_PROC(StencilFuncSeparate);
168 WGL_SET_PROC(StencilMaskSeparate);
169 WGL_SET_PROC(StencilOpSeparate);
170 WGL_SET_PROC(Uniform1f);
171 WGL_SET_PROC(Uniform1i);
172 WGL_SET_PROC(Uniform1fv);
173 WGL_SET_PROC(Uniform1iv);
174 WGL_SET_PROC(Uniform2f);
175 WGL_SET_PROC(Uniform2i);
176 WGL_SET_PROC(Uniform2fv);
177 WGL_SET_PROC(Uniform2iv);
178 WGL_SET_PROC(Uniform3f);
179 WGL_SET_PROC(Uniform3i);
180 WGL_SET_PROC(Uniform3fv);
181 WGL_SET_PROC(Uniform3iv);
182 WGL_SET_PROC(Uniform4f);
183 WGL_SET_PROC(Uniform4i);
184 WGL_SET_PROC(Uniform4fv);
185 WGL_SET_PROC(Uniform4iv);
186 WGL_SET_PROC(UniformMatrix2fv);
187 WGL_SET_PROC(UniformMatrix3fv);
188 WGL_SET_PROC(UniformMatrix4fv);
189 WGL_SET_PROC(UseProgram);
190 WGL_SET_PROC(VertexAttrib4fv);
191 WGL_SET_PROC(VertexAttribPointer);
192 WGL_SET_PROC(BindFragDataLocationIndexed);
193
194 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_objec t")) {
195 // no ARB suffix for GL_ARB_vertex_array_object
196 WGL_SET_PROC(BindVertexArray);
197 WGL_SET_PROC(DeleteVertexArrays);
198 WGL_SET_PROC(GenVertexArrays);
199 }
200
201 // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
202 // GL_ARB_framebuffer_object doesn't use ARB suffix.)
203 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object ")) {
204 WGL_SET_PROC(GenFramebuffers);
205 WGL_SET_PROC(GetFramebufferAttachmentParameteriv);
206 WGL_SET_PROC(GetRenderbufferParameteriv);
207 WGL_SET_PROC(BindFramebuffer);
208 WGL_SET_PROC(FramebufferTexture2D);
209 WGL_SET_PROC(CheckFramebufferStatus);
210 WGL_SET_PROC(DeleteFramebuffers);
211 WGL_SET_PROC(RenderbufferStorage);
212 WGL_SET_PROC(GenRenderbuffers);
213 WGL_SET_PROC(DeleteRenderbuffers);
214 WGL_SET_PROC(FramebufferRenderbuffer);
215 WGL_SET_PROC(BindRenderbuffer);
216 WGL_SET_PROC(RenderbufferStorageMultisample);
217 WGL_SET_PROC(BlitFramebuffer);
218 } else if (extensions.has("GL_EXT_framebuffer_object")) {
219 WGL_SET_PROC_SUFFIX(GenFramebuffers, EXT);
220 WGL_SET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
221 WGL_SET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
222 WGL_SET_PROC_SUFFIX(BindFramebuffer, EXT);
223 WGL_SET_PROC_SUFFIX(FramebufferTexture2D, EXT);
224 WGL_SET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
225 WGL_SET_PROC_SUFFIX(DeleteFramebuffers, EXT);
226 WGL_SET_PROC_SUFFIX(RenderbufferStorage, EXT);
227 WGL_SET_PROC_SUFFIX(GenRenderbuffers, EXT);
228 WGL_SET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
229 WGL_SET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
230 WGL_SET_PROC_SUFFIX(BindRenderbuffer, EXT);
231 if (extensions.has("GL_EXT_framebuffer_multisample")) {
232 WGL_SET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
233 }
234 if (extensions.has("GL_EXT_framebuffer_blit")) {
235 WGL_SET_PROC_SUFFIX(BlitFramebuffer, EXT);
236 }
237 } else {
238 // we must have FBOs
239 delete interface;
240 return NULL;
241 }
242
243 WGL_SET_PROC(MapBuffer);
244 if (extensions.has("GL_EXT_direct_state_access")) {
245 WGL_SET_PROC_SUFFIX(MatrixLoadf, EXT);
246 WGL_SET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
247 }
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 if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_invalidate_subdata ")) {
309 WGL_SET_PROC(InvalidateBufferData);
310 WGL_SET_PROC(InvalidateBufferSubData);
311 WGL_SET_PROC(InvalidateFramebuffer);
312 WGL_SET_PROC(InvalidateSubFramebuffer);
313 WGL_SET_PROC(InvalidateTexImage);
314 WGL_SET_PROC(InvalidateTexSubImage);
315 }
316
317 interface->fStandard = kGL_GrGLStandard;
318 interface->fExtensions.swap(&extensions);
319
320 return interface;
321 } else {
322 return NULL; 65 return NULL;
323 } 66 }
67
68 GLProcGetter getter;
69 if (!getter.isInitialized()) {
70 return NULL;
71 }
72
73 return GrGLAssembleGLInterface(&getter, win_get_gl_proc);
324 } 74 }
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