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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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107 if (!fExtensions.isInitialized()) { | 107 if (!fExtensions.isInitialized()) { |
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 | |
118 NULL == fFunctions.fBlendEquation || // -> GL >= 1.4 or extension, ES
>= 2.0 | |
119 NULL == fFunctions.fBlendFunc || | 117 NULL == fFunctions.fBlendFunc || |
| 118 NULL == fFunctions.fBlendColor || // -> GL >= 1.4, ES >= 2.0 or ext
ension |
120 NULL == fFunctions.fBufferData || | 119 NULL == fFunctions.fBufferData || |
121 NULL == fFunctions.fBufferSubData || | 120 NULL == fFunctions.fBufferSubData || |
122 NULL == fFunctions.fClear || | 121 NULL == fFunctions.fClear || |
123 NULL == fFunctions.fClearColor || | 122 NULL == fFunctions.fClearColor || |
124 NULL == fFunctions.fClearStencil || | 123 NULL == fFunctions.fClearStencil || |
125 NULL == fFunctions.fColorMask || | 124 NULL == fFunctions.fColorMask || |
126 NULL == fFunctions.fCompileShader || | 125 NULL == fFunctions.fCompileShader || |
127 NULL == fFunctions.fCopyTexSubImage2D || | 126 NULL == fFunctions.fCopyTexSubImage2D || |
128 NULL == fFunctions.fCreateProgram || | 127 NULL == fFunctions.fCreateProgram || |
129 NULL == fFunctions.fCreateShader || | 128 NULL == fFunctions.fCreateShader || |
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315 if (NULL == fFunctions.fTextureBarrier) { | 314 if (NULL == fFunctions.fTextureBarrier) { |
316 RETURN_FALSE_INTERFACE | 315 RETURN_FALSE_INTERFACE |
317 } | 316 } |
318 } | 317 } |
319 } else if (fExtensions.has("GL_NV_texture_barrier")) { | 318 } else if (fExtensions.has("GL_NV_texture_barrier")) { |
320 if (NULL == fFunctions.fTextureBarrier) { | 319 if (NULL == fFunctions.fTextureBarrier) { |
321 RETURN_FALSE_INTERFACE | 320 RETURN_FALSE_INTERFACE |
322 } | 321 } |
323 } | 322 } |
324 | 323 |
325 if (fExtensions.has("GL_KHR_blend_equation_advanced") || | |
326 fExtensions.has("GL_NV_blend_equation_advanced")) { | |
327 if (NULL == fFunctions.fBlendBarrier) { | |
328 RETURN_FALSE_INTERFACE | |
329 } | |
330 } | |
331 | |
332 if (fExtensions.has("GL_EXT_discard_framebuffer")) { | 324 if (fExtensions.has("GL_EXT_discard_framebuffer")) { |
333 // FIXME: Remove this once Chromium is updated to provide this function | 325 // FIXME: Remove this once Chromium is updated to provide this function |
334 #if 0 | 326 #if 0 |
335 if (NULL == fFunctions.fDiscardFramebuffer) { | 327 if (NULL == fFunctions.fDiscardFramebuffer) { |
336 RETURN_FALSE_INTERFACE | 328 RETURN_FALSE_INTERFACE |
337 } | 329 } |
338 #endif | 330 #endif |
339 } | 331 } |
340 | 332 |
341 // FBO MSAA | 333 // FBO MSAA |
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529 } | 521 } |
530 | 522 |
531 if (fExtensions.has("GL_NV_framebuffer_mixed_samples")) { | 523 if (fExtensions.has("GL_NV_framebuffer_mixed_samples")) { |
532 if (NULL == fFunctions.fCoverageModulation) { | 524 if (NULL == fFunctions.fCoverageModulation) { |
533 RETURN_FALSE_INTERFACE | 525 RETURN_FALSE_INTERFACE |
534 } | 526 } |
535 } | 527 } |
536 | 528 |
537 return true; | 529 return true; |
538 } | 530 } |
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