3 * Copyright 2014 Google Inc.
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
10 #include "GrGLAssembleInterface.h"
13 #define GET_PROC(F) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F)
14 #define GET_PROC_SUFFIX(F, S) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F #S)
15 #define GET_PROC_LOCAL(F) GrGL ## F ## Proc F = (GrGL ## F ## Proc) get(ctx, "gl" #F)
17 const GrGLInterface* GrGLAssembleInterface(void* ctx, GrGLGetProc get) {
18 GET_PROC_LOCAL(GetString);
19 if (NULL == GetString) {
23 const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
28 GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
30 if (kGLES_GrGLStandard == standard) {
31 return GrGLAssembleGLESInterface(ctx, get);
32 } else if (kGL_GrGLStandard == standard) {
33 return GrGLAssembleGLInterface(ctx, get);
38 const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get) {
39 GET_PROC_LOCAL(GetString);
40 GET_PROC_LOCAL(GetStringi);
41 GET_PROC_LOCAL(GetIntegerv);
43 // GetStringi may be NULL depending on the GL version.
44 if (NULL == GetString || NULL == GetIntegerv) {
48 const char* versionString = (const char*) GetString(GR_GL_VERSION);
49 GrGLVersion glVer = GrGLGetVersionFromString(versionString);
51 if (glVer < GR_GL_VER(1,5) || GR_GL_INVALID_VER == glVer) {
52 // We must have array and element_array buffer objects.
56 GrGLExtensions extensions;
57 if (!extensions.init(kGL_GrGLStandard, GetString, GetStringi, GetIntegerv)) {
61 GrGLInterface* interface = SkNEW(GrGLInterface());
62 GrGLInterface::Functions* functions = &interface->fFunctions;
64 GET_PROC(ActiveTexture);
65 GET_PROC(AttachShader);
66 GET_PROC(BindAttribLocation);
68 if (glVer >= GR_GL_VER(3,0)) {
69 GET_PROC(BindFragDataLocation);
72 GET_PROC(BindTexture);
75 if (glVer >= GR_GL_VER(1,4) ||
76 extensions.has("GL_ARB_imaging") ||
77 extensions.has("GL_EXT_blend_color")) {
82 GET_PROC(BufferSubData);
85 GET_PROC(ClearStencil);
87 GET_PROC(CompileShader);
88 GET_PROC(CompressedTexImage2D);
89 GET_PROC(CompressedTexSubImage2D);
90 GET_PROC(CopyTexSubImage2D);
91 GET_PROC(CreateProgram);
92 GET_PROC(CreateShader);
94 GET_PROC(DeleteBuffers);
95 GET_PROC(DeleteProgram);
96 GET_PROC(DeleteQueries);
97 GET_PROC(DeleteShader);
98 GET_PROC(DeleteTextures);
101 GET_PROC(DisableVertexAttribArray);
102 GET_PROC(DrawArrays);
103 GET_PROC(DrawBuffer);
104 GET_PROC(DrawBuffers);
105 GET_PROC(DrawElements);
107 GET_PROC(EnableVertexAttribArray);
112 GET_PROC(GenBuffers);
113 GET_PROC(GenerateMipmap);
114 GET_PROC(GetBufferParameteriv);
116 GET_PROC(GetIntegerv);
117 GET_PROC(GetQueryObjectiv);
118 GET_PROC(GetQueryObjectuiv);
119 if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
120 GET_PROC(GetQueryObjecti64v);
121 GET_PROC(GetQueryObjectui64v);
122 GET_PROC(QueryCounter);
123 } else if (extensions.has("GL_EXT_timer_query")) {
124 GET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
125 GET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
127 GET_PROC(GetQueryiv);
128 GET_PROC(GetProgramInfoLog);
129 GET_PROC(GetProgramiv);
130 GET_PROC(GetShaderInfoLog);
131 GET_PROC(GetShaderiv);
133 GET_PROC(GetStringi);
134 GET_PROC(GetTexLevelParameteriv);
135 GET_PROC(GenQueries);
136 GET_PROC(GenTextures);
137 GET_PROC(GetUniformLocation);
139 GET_PROC(LinkProgram);
141 if (extensions.has("GL_EXT_direct_state_access")) {
142 GET_PROC_SUFFIX(MatrixLoadf, EXT);
143 GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
145 GET_PROC(PixelStorei);
146 GET_PROC(ReadBuffer);
147 GET_PROC(ReadPixels);
149 GET_PROC(ShaderSource);
150 GET_PROC(StencilFunc);
151 GET_PROC(StencilFuncSeparate);
152 GET_PROC(StencilMask);
153 GET_PROC(StencilMaskSeparate);
155 GET_PROC(StencilOpSeparate);
156 GET_PROC(TexImage2D);
157 GET_PROC(TexParameteri);
158 GET_PROC(TexParameteriv);
159 if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) {
160 GET_PROC(TexStorage2D);
161 } else if (extensions.has("GL_EXT_texture_storage")) {
162 GET_PROC_SUFFIX(TexStorage2D, EXT);
164 GET_PROC(TexSubImage2D);
167 GET_PROC(Uniform1fv);
168 GET_PROC(Uniform1iv);
171 GET_PROC(Uniform2fv);
172 GET_PROC(Uniform2iv);
175 GET_PROC(Uniform3fv);
176 GET_PROC(Uniform3iv);
179 GET_PROC(Uniform4fv);
180 GET_PROC(Uniform4iv);
181 GET_PROC(UniformMatrix2fv);
182 GET_PROC(UniformMatrix3fv);
183 GET_PROC(UniformMatrix4fv);
184 GET_PROC(UnmapBuffer);
185 GET_PROC(UseProgram);
186 GET_PROC(VertexAttrib4fv);
187 GET_PROC(VertexAttribPointer);
189 GET_PROC(BindFragDataLocationIndexed);
191 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) {
192 // no ARB suffix for GL_ARB_vertex_array_object
193 GET_PROC(BindVertexArray);
194 GET_PROC(GenVertexArrays);
195 GET_PROC(DeleteVertexArrays);
198 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_map_buffer_range")) {
199 GET_PROC(MapBufferRange);
200 GET_PROC(FlushMappedBufferRange);
203 // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
204 // GL_ARB_framebuffer_object doesn't use ARB suffix.)
205 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) {
206 GET_PROC(GenFramebuffers);
207 GET_PROC(GetFramebufferAttachmentParameteriv);
208 GET_PROC(GetRenderbufferParameteriv);
209 GET_PROC(BindFramebuffer);
210 GET_PROC(FramebufferTexture2D);
211 GET_PROC(CheckFramebufferStatus);
212 GET_PROC(DeleteFramebuffers);
213 GET_PROC(RenderbufferStorage);
214 GET_PROC(GenRenderbuffers);
215 GET_PROC(DeleteRenderbuffers);
216 GET_PROC(FramebufferRenderbuffer);
217 GET_PROC(BindRenderbuffer);
218 GET_PROC(RenderbufferStorageMultisample);
219 GET_PROC(BlitFramebuffer);
220 } else if (extensions.has("GL_EXT_framebuffer_object")) {
221 GET_PROC_SUFFIX(GenFramebuffers, EXT);
222 GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
223 GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
224 GET_PROC_SUFFIX(BindFramebuffer, EXT);
225 GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
226 GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
227 GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
228 GET_PROC_SUFFIX(RenderbufferStorage, EXT);
229 GET_PROC_SUFFIX(GenRenderbuffers, EXT);
230 GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
231 GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
232 GET_PROC_SUFFIX(BindRenderbuffer, EXT);
233 if (extensions.has("GL_EXT_framebuffer_multisample")) {
234 GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
236 if (extensions.has("GL_EXT_framebuffer_blit")) {
237 GET_PROC_SUFFIX(BlitFramebuffer, EXT);
245 if (extensions.has("GL_NV_path_rendering")) {
246 GET_PROC_SUFFIX(PathCommands, NV);
247 GET_PROC_SUFFIX(PathCoords, NV);
248 GET_PROC_SUFFIX(PathParameteri, NV);
249 GET_PROC_SUFFIX(PathParameterf, NV);
250 GET_PROC_SUFFIX(GenPaths, NV);
251 GET_PROC_SUFFIX(DeletePaths, NV);
252 GET_PROC_SUFFIX(IsPath, NV);
253 GET_PROC_SUFFIX(PathStencilFunc, NV);
254 GET_PROC_SUFFIX(StencilFillPath, NV);
255 GET_PROC_SUFFIX(StencilStrokePath, NV);
256 GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
257 GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
258 GET_PROC_SUFFIX(PathTexGen, NV);
259 GET_PROC_SUFFIX(CoverFillPath, NV);
260 GET_PROC_SUFFIX(CoverStrokePath, NV);
261 GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
262 GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
263 // NV_path_rendering v1.2 (These methods may not be present)
264 GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
265 GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
266 GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
267 GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
268 // NV_path_rendering v1.3 (These methods may not be present)
269 GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
270 GET_PROC_SUFFIX(PathMemoryGlyphIndexArray, NV);
273 if (extensions.has("GL_EXT_debug_marker")) {
274 GET_PROC_SUFFIX(InsertEventMarker, EXT);
275 GET_PROC_SUFFIX(PushGroupMarker, EXT);
276 GET_PROC_SUFFIX(PopGroupMarker, EXT);
279 if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_invalidate_subdata")) {
280 GET_PROC(InvalidateBufferData);
281 GET_PROC(InvalidateBufferSubData);
282 GET_PROC(InvalidateFramebuffer);
283 GET_PROC(InvalidateSubFramebuffer);
284 GET_PROC(InvalidateTexImage);
285 GET_PROC(InvalidateTexSubImage);
288 if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_program_interface_query")) {
289 GET_PROC(GetProgramResourceLocation);
292 interface->fStandard = kGL_GrGLStandard;
293 interface->fExtensions.swap(&extensions);
298 const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) {
299 GET_PROC_LOCAL(GetString);
300 if (NULL == GetString) {
304 const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
305 GrGLVersion version = GrGLGetVersionFromString(verStr);
307 if (version < GR_GL_VER(2,0)) {
311 GET_PROC_LOCAL(GetIntegerv);
312 GET_PROC_LOCAL(GetStringi);
313 GrGLExtensions extensions;
314 if (!extensions.init(kGLES_GrGLStandard, GetString, GetStringi, GetIntegerv)) {
318 GrGLInterface* interface = SkNEW(GrGLInterface);
319 GrGLInterface::Functions* functions = &interface->fFunctions;
321 GET_PROC(ActiveTexture);
322 GET_PROC(AttachShader);
323 GET_PROC(BindAttribLocation);
324 GET_PROC(BindBuffer);
325 GET_PROC(BindTexture);
326 GET_PROC_SUFFIX(BindVertexArray, OES);
327 GET_PROC(BlendColor);
329 GET_PROC(BufferData);
330 GET_PROC(BufferSubData);
332 GET_PROC(ClearColor);
333 GET_PROC(ClearStencil);
335 GET_PROC(CompileShader);
336 GET_PROC(CompressedTexImage2D);
337 GET_PROC(CompressedTexSubImage2D);
338 GET_PROC(CopyTexSubImage2D);
339 GET_PROC(CreateProgram);
340 GET_PROC(CreateShader);
342 GET_PROC(DeleteBuffers);
343 GET_PROC(DeleteProgram);
344 GET_PROC(DeleteShader);
345 GET_PROC(DeleteTextures);
346 GET_PROC_SUFFIX(DeleteVertexArrays, OES);
349 GET_PROC(DisableVertexAttribArray);
350 GET_PROC(DrawArrays);
351 GET_PROC(DrawElements);
353 GET_PROC(EnableVertexAttribArray);
357 GET_PROC(GenBuffers);
358 GET_PROC(GenerateMipmap);
359 GET_PROC(GenTextures);
360 GET_PROC_SUFFIX(GenVertexArrays, OES);
361 GET_PROC(GetBufferParameteriv);
363 GET_PROC(GetIntegerv);
364 GET_PROC(GetProgramInfoLog);
365 GET_PROC(GetProgramiv);
366 GET_PROC(GetShaderInfoLog);
367 GET_PROC(GetShaderiv);
369 GET_PROC(GetStringi);
370 GET_PROC(GetUniformLocation);
372 GET_PROC(LinkProgram);
373 GET_PROC(PixelStorei);
374 GET_PROC(ReadPixels);
376 GET_PROC(ShaderSource);
377 GET_PROC(StencilFunc);
378 GET_PROC(StencilFuncSeparate);
379 GET_PROC(StencilMask);
380 GET_PROC(StencilMaskSeparate);
382 GET_PROC(StencilOpSeparate);
383 GET_PROC(TexImage2D);
384 GET_PROC(TexParameteri);
385 GET_PROC(TexParameteriv);
386 GET_PROC(TexSubImage2D);
388 if (version >= GR_GL_VER(3,0)) {
389 GET_PROC(TexStorage2D);
391 GET_PROC_SUFFIX(TexStorage2D, EXT);
394 GET_PROC_SUFFIX(DiscardFramebuffer, EXT);
397 GET_PROC(Uniform1fv);
398 GET_PROC(Uniform1iv);
401 GET_PROC(Uniform2fv);
402 GET_PROC(Uniform2iv);
405 GET_PROC(Uniform3fv);
406 GET_PROC(Uniform3iv);
409 GET_PROC(Uniform4fv);
410 GET_PROC(Uniform4iv);
411 GET_PROC(UniformMatrix2fv);
412 GET_PROC(UniformMatrix3fv);
413 GET_PROC(UniformMatrix4fv);
414 GET_PROC(UseProgram);
415 GET_PROC(VertexAttrib4fv);
416 GET_PROC(VertexAttribPointer);
418 GET_PROC(BindFramebuffer);
419 GET_PROC(BindRenderbuffer);
420 GET_PROC(CheckFramebufferStatus);
421 GET_PROC(DeleteFramebuffers);
422 GET_PROC(DeleteRenderbuffers);
423 GET_PROC(FramebufferRenderbuffer);
424 GET_PROC(FramebufferTexture2D);
426 if (version >= GR_GL_VER(3,0)) {
427 GET_PROC(RenderbufferStorageMultisample);
428 GET_PROC(BlitFramebuffer);
431 if (extensions.has("GL_EXT_multisampled_render_to_texture")) {
432 GET_PROC_SUFFIX(FramebufferTexture2DMultisample, EXT);
433 functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleEXT");
434 } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) {
435 GET_PROC_SUFFIX(FramebufferTexture2DMultisample, IMG);
436 functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleIMG");
437 } else if (extensions.has("GL_APPLE_framebuffer_multisample")) {
438 functions->fRenderbufferStorageMultisampleES2APPLE = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleAPPLE");
439 GET_PROC_SUFFIX(ResolveMultisampleFramebuffer, APPLE);
442 GET_PROC(GenFramebuffers);
443 GET_PROC(GenRenderbuffers);
444 GET_PROC(GetFramebufferAttachmentParameteriv);
445 GET_PROC(GetRenderbufferParameteriv);
446 GET_PROC(RenderbufferStorage);
448 GET_PROC_SUFFIX(MapBuffer, OES);
449 GET_PROC_SUFFIX(UnmapBuffer, OES);
451 if (version >= GR_GL_VER(3,0)) {
452 GET_PROC(MapBufferRange);
453 GET_PROC(FlushMappedBufferRange);
454 } else if (extensions.has("GL_EXT_map_buffer_range")) {
455 GET_PROC_SUFFIX(MapBufferRange, EXT);
456 GET_PROC_SUFFIX(FlushMappedBufferRange, EXT);
459 if (extensions.has("GL_EXT_debug_marker")) {
460 GET_PROC(InsertEventMarker);
461 GET_PROC(PushGroupMarker);
462 GET_PROC(PopGroupMarker);
463 // The below check is here because a device has been found that has the extension string but
464 // returns NULL from the eglGetProcAddress for the functions
465 if (NULL == functions->fInsertEventMarker ||
466 NULL == functions->fPushGroupMarker ||
467 NULL == functions->fPopGroupMarker) {
468 extensions.remove("GL_EXT_debug_marker");
472 GET_PROC(InvalidateFramebuffer);
473 GET_PROC(InvalidateSubFramebuffer);
474 GET_PROC(InvalidateBufferData);
475 GET_PROC(InvalidateBufferSubData);
476 GET_PROC(InvalidateTexImage);
477 GET_PROC(InvalidateTexSubImage);
479 if (version >= GR_GL_VER(3,1)) {
480 GET_PROC(GetProgramResourceLocation);
483 if (extensions.has("GL_NV_path_rendering")) {
484 GET_PROC_SUFFIX(MatrixLoadf, EXT);
485 GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
486 GET_PROC_SUFFIX(PathCommands, NV);
487 GET_PROC_SUFFIX(PathCoords, NV);
488 GET_PROC_SUFFIX(PathParameteri, NV);
489 GET_PROC_SUFFIX(PathParameterf, NV);
490 GET_PROC_SUFFIX(GenPaths, NV);
491 GET_PROC_SUFFIX(DeletePaths, NV);
492 GET_PROC_SUFFIX(IsPath, NV);
493 GET_PROC_SUFFIX(PathStencilFunc, NV);
494 GET_PROC_SUFFIX(StencilFillPath, NV);
495 GET_PROC_SUFFIX(StencilStrokePath, NV);
496 GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
497 GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
498 GET_PROC_SUFFIX(CoverFillPath, NV);
499 GET_PROC_SUFFIX(CoverStrokePath, NV);
500 GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
501 GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
502 GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
503 GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
504 GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
505 GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
506 GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
507 GET_PROC_SUFFIX(PathMemoryGlyphIndexArray, NV);
510 interface->fStandard = kGLES_GrGLStandard;
511 interface->fExtensions.swap(&extensions);