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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 | 10 |
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634 kStencil_GrGLBackendState = 1 << 6, | 634 kStencil_GrGLBackendState = 1 << 6, |
635 kPixelStore_GrGLBackendState = 1 << 7, | 635 kPixelStore_GrGLBackendState = 1 << 7, |
636 kProgram_GrGLBackendState = 1 << 8, | 636 kProgram_GrGLBackendState = 1 << 8, |
637 kFixedFunction_GrGLBackendState = 1 << 9, | 637 kFixedFunction_GrGLBackendState = 1 << 9, |
638 kMisc_GrGLBackendState = 1 << 10, | 638 kMisc_GrGLBackendState = 1 << 10, |
639 kPathRendering_GrGLBackendState = 1 << 11, | 639 kPathRendering_GrGLBackendState = 1 << 11, |
640 kALL_GrGLBackendState = 0xffff | 640 kALL_GrGLBackendState = 0xffff |
641 }; | 641 }; |
642 | 642 |
643 /** | 643 /** |
| 644 * Returns the data size for the given compressed pixel config |
| 645 */ |
| 646 static inline size_t GrCompressedFormatDataSize(GrPixelConfig config, |
| 647 int width, int height) { |
| 648 SkASSERT(GrPixelConfigIsCompressed(config)); |
| 649 |
| 650 switch (config) { |
| 651 case kLATC_GrPixelConfig: |
| 652 case kETC1_GrPixelConfig: |
| 653 SkASSERT((width & 3) == 0); |
| 654 SkASSERT((height & 3) == 0); |
| 655 return (width >> 2) * (height >> 2) * 8; |
| 656 |
| 657 default: |
| 658 SkFAIL("Unknown compressed pixel config"); |
| 659 return 4 * width * height; |
| 660 } |
| 661 } |
| 662 |
| 663 /** |
644 * This value translates to reseting all the context state for any backend. | 664 * This value translates to reseting all the context state for any backend. |
645 */ | 665 */ |
646 static const uint32_t kAll_GrBackendState = 0xffffffff; | 666 static const uint32_t kAll_GrBackendState = 0xffffffff; |
647 | 667 |
648 /////////////////////////////////////////////////////////////////////////////// | 668 /////////////////////////////////////////////////////////////////////////////// |
649 | 669 |
650 #endif | 670 #endif |
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