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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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321 if (extensions.has("GL_EXT_framebuffer_blit") && | 321 if (extensions.has("GL_EXT_framebuffer_blit") && |
322 NULL == fBlitFramebuffer) { | 322 NULL == fBlitFramebuffer) { |
323 return false; | 323 return false; |
324 } | 324 } |
325 if (extensions.has("GL_EXT_framebuffer_multisample") && | 325 if (extensions.has("GL_EXT_framebuffer_multisample") && |
326 NULL == fRenderbufferStorageMultisample) { | 326 NULL == fRenderbufferStorageMultisample) { |
327 return false; | 327 return false; |
328 } | 328 } |
329 } | 329 } |
330 } else { | 330 } else { |
331 #if GR_GL_IGNORE_ES3_MSAA | |
332 if (extensions.has("GL_CHROMIUM_framebuffer_multisample")) { | |
333 if (NULL == fRenderbufferStorageMultisample || | |
334 NULL == fBlitFramebuffer) { | |
335 return false; | |
336 } | |
337 } else if (extensions.has("GL_APPLE_framebuffer_multisample")) { | |
338 if (NULL == fRenderbufferStorageMultisample || | |
339 NULL == fResolveMultisampleFramebuffer) { | |
340 return false; | |
341 } | |
342 } else if (extensions.has("GL_IMG_multisampled_render_to_texture") || | |
343 extensions.has("GL_EXT_multisampled_render_to_texture")) { | |
344 if (NULL == fRenderbufferStorageMultisample || | |
345 NULL == fFramebufferTexture2DMultisample) { | |
346 return false; | |
347 } | |
348 } | |
349 #else | |
350 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_CHROMIUM_framebuffer_m
ultisample")) { | 331 if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_CHROMIUM_framebuffer_m
ultisample")) { |
351 if (NULL == fRenderbufferStorageMultisample || | 332 if (NULL == fRenderbufferStorageMultisample || |
352 NULL == fBlitFramebuffer) { | 333 NULL == fBlitFramebuffer) { |
353 return false; | 334 return false; |
354 } | 335 } |
355 } | 336 } |
356 if (extensions.has("GL_APPLE_framebuffer_multisample")) { | 337 if (extensions.has("GL_APPLE_framebuffer_multisample")) { |
357 if (NULL == fRenderbufferStorageMultisampleES2APPLE || | 338 if (NULL == fRenderbufferStorageMultisampleES2APPLE || |
358 NULL == fResolveMultisampleFramebuffer) { | 339 NULL == fResolveMultisampleFramebuffer) { |
359 return false; | 340 return false; |
360 } | 341 } |
361 } | 342 } |
362 if (extensions.has("GL_IMG_multisampled_render_to_texture") || | 343 if (extensions.has("GL_IMG_multisampled_render_to_texture") || |
363 extensions.has("GL_EXT_multisampled_render_to_texture")) { | 344 extensions.has("GL_EXT_multisampled_render_to_texture")) { |
364 if (NULL == fRenderbufferStorageMultisampleES2EXT || | 345 if (NULL == fRenderbufferStorageMultisampleES2EXT || |
365 NULL == fFramebufferTexture2DMultisample) { | 346 NULL == fFramebufferTexture2DMultisample) { |
366 return false; | 347 return false; |
367 } | 348 } |
368 } | 349 } |
369 #endif | |
370 } | 350 } |
371 | 351 |
372 // On ES buffer mapping is an extension. On Desktop | 352 // On ES buffer mapping is an extension. On Desktop |
373 // buffer mapping was part of original VBO extension | 353 // buffer mapping was part of original VBO extension |
374 // which we require. | 354 // which we require. |
375 if (kGL_GrGLStandard == fStandard || extensions.has("GL_OES_mapbuffer")) { | 355 if (kGL_GrGLStandard == fStandard || extensions.has("GL_OES_mapbuffer")) { |
376 if (NULL == fMapBuffer || | 356 if (NULL == fMapBuffer || |
377 NULL == fUnmapBuffer) { | 357 NULL == fUnmapBuffer) { |
378 return false; | 358 return false; |
379 } | 359 } |
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407 if (NULL == fBindVertexArray || | 387 if (NULL == fBindVertexArray || |
408 NULL == fDeleteVertexArrays || | 388 NULL == fDeleteVertexArrays || |
409 NULL == fGenVertexArrays) { | 389 NULL == fGenVertexArrays) { |
410 return false; | 390 return false; |
411 } | 391 } |
412 } | 392 } |
413 } | 393 } |
414 | 394 |
415 return true; | 395 return true; |
416 } | 396 } |
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