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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #include "gl/GrGLInterface.h" | 9 #include "gl/GrGLInterface.h" |
10 #include "gl/GrGLExtensions.h" | 10 #include "gl/GrGLExtensions.h" |
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108 RETURN_FALSE_INTERFACE | 108 RETURN_FALSE_INTERFACE |
109 } | 109 } |
110 | 110 |
111 // functions that are always required | 111 // functions that are always required |
112 if (NULL == fFunctions.fActiveTexture || | 112 if (NULL == fFunctions.fActiveTexture || |
113 NULL == fFunctions.fAttachShader || | 113 NULL == fFunctions.fAttachShader || |
114 NULL == fFunctions.fBindAttribLocation || | 114 NULL == fFunctions.fBindAttribLocation || |
115 NULL == fFunctions.fBindBuffer || | 115 NULL == fFunctions.fBindBuffer || |
116 NULL == fFunctions.fBindTexture || | 116 NULL == fFunctions.fBindTexture || |
117 NULL == fFunctions.fBlendColor || // -> GL >= 1.4 or extension, ES
>= 2.0 | 117 NULL == fFunctions.fBlendColor || // -> GL >= 1.4 or extension, ES
>= 2.0 |
118 #if 0 | |
119 // TODO: Re-enable validation for fBlendEquation when Chrome has it hook
ed up. | |
120 NULL == fFunctions.fBlendEquation || // -> GL >= 1.4 or extension, ES
>= 2.0 | 118 NULL == fFunctions.fBlendEquation || // -> GL >= 1.4 or extension, ES
>= 2.0 |
121 #endif | |
122 NULL == fFunctions.fBlendFunc || | 119 NULL == fFunctions.fBlendFunc || |
123 NULL == fFunctions.fBufferData || | 120 NULL == fFunctions.fBufferData || |
124 NULL == fFunctions.fBufferSubData || | 121 NULL == fFunctions.fBufferSubData || |
125 NULL == fFunctions.fClear || | 122 NULL == fFunctions.fClear || |
126 NULL == fFunctions.fClearColor || | 123 NULL == fFunctions.fClearColor || |
127 NULL == fFunctions.fClearStencil || | 124 NULL == fFunctions.fClearStencil || |
128 NULL == fFunctions.fColorMask || | 125 NULL == fFunctions.fColorMask || |
129 NULL == fFunctions.fCompileShader || | 126 NULL == fFunctions.fCompileShader || |
130 NULL == fFunctions.fCopyTexSubImage2D || | 127 NULL == fFunctions.fCopyTexSubImage2D || |
131 NULL == fFunctions.fCreateProgram || | 128 NULL == fFunctions.fCreateProgram || |
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271 RETURN_FALSE_INTERFACE | 268 RETURN_FALSE_INTERFACE |
272 } | 269 } |
273 } | 270 } |
274 } | 271 } |
275 | 272 |
276 // optional function on desktop before 1.3 | 273 // optional function on desktop before 1.3 |
277 if (kGL_GrGLStandard != fStandard || | 274 if (kGL_GrGLStandard != fStandard || |
278 (glVer >= GR_GL_VER(1,3)) || | 275 (glVer >= GR_GL_VER(1,3)) || |
279 fExtensions.has("GL_ARB_texture_compression")) { | 276 fExtensions.has("GL_ARB_texture_compression")) { |
280 if (NULL == fFunctions.fCompressedTexImage2D | 277 if (NULL == fFunctions.fCompressedTexImage2D |
281 #if 0 | |
282 || NULL == fFunctions.fCompressedTexSubImage2D | 278 || NULL == fFunctions.fCompressedTexSubImage2D |
283 #endif | |
284 ) { | 279 ) { |
285 RETURN_FALSE_INTERFACE | 280 RETURN_FALSE_INTERFACE |
286 } | 281 } |
287 } | 282 } |
288 | 283 |
289 // part of desktop GL, but not ES | 284 // part of desktop GL, but not ES |
290 if (kGL_GrGLStandard == fStandard && | 285 if (kGL_GrGLStandard == fStandard && |
291 (NULL == fFunctions.fGetTexLevelParameteriv || | 286 (NULL == fFunctions.fGetTexLevelParameteriv || |
292 NULL == fFunctions.fDrawBuffer || | 287 NULL == fFunctions.fDrawBuffer || |
293 NULL == fFunctions.fReadBuffer)) { | 288 NULL == fFunctions.fReadBuffer)) { |
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318 if (NULL == fFunctions.fTextureBarrier) { | 313 if (NULL == fFunctions.fTextureBarrier) { |
319 RETURN_FALSE_INTERFACE | 314 RETURN_FALSE_INTERFACE |
320 } | 315 } |
321 } | 316 } |
322 } else if (fExtensions.has("GL_NV_texture_barrier")) { | 317 } else if (fExtensions.has("GL_NV_texture_barrier")) { |
323 if (NULL == fFunctions.fTextureBarrier) { | 318 if (NULL == fFunctions.fTextureBarrier) { |
324 RETURN_FALSE_INTERFACE | 319 RETURN_FALSE_INTERFACE |
325 } | 320 } |
326 } | 321 } |
327 | 322 |
328 // FIXME: Remove this once Chromium is updated to provide this function | |
329 #if 0 | |
330 if (fExtensions.has("GL_KHR_blend_equation_advanced") || | 323 if (fExtensions.has("GL_KHR_blend_equation_advanced") || |
331 fExtensions.has("GL_NV_blend_equation_advanced")) { | 324 fExtensions.has("GL_NV_blend_equation_advanced")) { |
332 if (NULL == fFunctions.fBlendBarrier) { | 325 if (NULL == fFunctions.fBlendBarrier) { |
333 RETURN_FALSE_INTERFACE | 326 RETURN_FALSE_INTERFACE |
334 } | 327 } |
335 } | 328 } |
336 #endif | |
337 | 329 |
338 if (fExtensions.has("GL_EXT_discard_framebuffer")) { | 330 if (fExtensions.has("GL_EXT_discard_framebuffer")) { |
339 // FIXME: Remove this once Chromium is updated to provide this function | |
340 #if 0 | |
341 if (NULL == fFunctions.fDiscardFramebuffer) { | 331 if (NULL == fFunctions.fDiscardFramebuffer) { |
342 RETURN_FALSE_INTERFACE | 332 RETURN_FALSE_INTERFACE |
343 } | 333 } |
344 #endif | |
345 } | 334 } |
346 | 335 |
347 // FBO MSAA | 336 // FBO MSAA |
348 if (kGL_GrGLStandard == fStandard) { | 337 if (kGL_GrGLStandard == fStandard) { |
349 // GL 3.0 and the ARB extension have multisample + blit | 338 // GL 3.0 and the ARB extension have multisample + blit |
350 if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_ARB_framebuffer_objec
t")) { | 339 if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_ARB_framebuffer_objec
t")) { |
351 if (NULL == fFunctions.fRenderbufferStorageMultisample || | 340 if (NULL == fFunctions.fRenderbufferStorageMultisample || |
352 NULL == fFunctions.fBlitFramebuffer) { | 341 NULL == fFunctions.fBlitFramebuffer) { |
353 RETURN_FALSE_INTERFACE | 342 RETURN_FALSE_INTERFACE |
354 } | 343 } |
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483 if ((kGL_GrGLStandard == fStandard && | 472 if ((kGL_GrGLStandard == fStandard && |
484 (glVer >= GR_GL_VER(4,3) || fExtensions.has("GL_ARB_program_interface_q
uery"))) || | 473 (glVer >= GR_GL_VER(4,3) || fExtensions.has("GL_ARB_program_interface_q
uery"))) || |
485 (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { | 474 (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { |
486 if (NULL == fFunctions.fGetProgramResourceLocation) { | 475 if (NULL == fFunctions.fGetProgramResourceLocation) { |
487 RETURN_FALSE_INTERFACE | 476 RETURN_FALSE_INTERFACE |
488 } | 477 } |
489 } | 478 } |
490 | 479 |
491 if (kGLES_GrGLStandard == fStandard || glVer >= GR_GL_VER(4,1) || | 480 if (kGLES_GrGLStandard == fStandard || glVer >= GR_GL_VER(4,1) || |
492 fExtensions.has("GL_ARB_ES2_compatibility")) { | 481 fExtensions.has("GL_ARB_ES2_compatibility")) { |
493 #if 0 // Enable this once Chrome gives us the function ptr | |
494 if (NULL == fFunctions.fGetShaderPrecisionFormat) { | 482 if (NULL == fFunctions.fGetShaderPrecisionFormat) { |
495 RETURN_FALSE_INTERFACE | 483 RETURN_FALSE_INTERFACE |
496 } | 484 } |
497 #endif | |
498 } | 485 } |
499 | 486 |
500 if (fExtensions.has("GL_NV_path_rendering")) { | 487 if (fExtensions.has("GL_NV_path_rendering")) { |
501 if (NULL == fFunctions.fPathCommands || | 488 if (NULL == fFunctions.fPathCommands || |
502 NULL == fFunctions.fPathCoords || | 489 NULL == fFunctions.fPathCoords || |
503 NULL == fFunctions.fPathParameteri || | 490 NULL == fFunctions.fPathParameteri || |
504 NULL == fFunctions.fPathParameterf || | 491 NULL == fFunctions.fPathParameterf || |
505 NULL == fFunctions.fGenPaths || | 492 NULL == fFunctions.fGenPaths || |
506 NULL == fFunctions.fDeletePaths || | 493 NULL == fFunctions.fDeletePaths || |
507 NULL == fFunctions.fIsPath || | 494 NULL == fFunctions.fIsPath || |
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535 } | 522 } |
536 | 523 |
537 if (fExtensions.has("GL_NV_framebuffer_mixed_samples")) { | 524 if (fExtensions.has("GL_NV_framebuffer_mixed_samples")) { |
538 if (NULL == fFunctions.fCoverageModulation) { | 525 if (NULL == fFunctions.fCoverageModulation) { |
539 RETURN_FALSE_INTERFACE | 526 RETURN_FALSE_INTERFACE |
540 } | 527 } |
541 } | 528 } |
542 | 529 |
543 return true; | 530 return true; |
544 } | 531 } |
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