| OLD | NEW |
| 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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