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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "SkTextureCompressor.h" | 8 #include "SkTextureCompressor.h" |
| 9 #include "SkTextureCompressor_Blitter.h" | 9 #include "SkTextureCompressor_Blitter.h" |
| 10 #include "SkTextureCompressor_Utils.h" | 10 #include "SkTextureCompressor_Utils.h" |
| (...skipping 635 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 646 // decides not to write certain scanlines (and skip entire rows of blocks). | 646 // decides not to write certain scanlines (and skip entire rows of blocks). |
| 647 // In the case of R11, we use the encoding from recognizing all zero pixels
from above. | 647 // In the case of R11, we use the encoding from recognizing all zero pixels
from above. |
| 648 const int nBlocks = (width * height / 16); // 4x4 pixel blocks. | 648 const int nBlocks = (width * height / 16); // 4x4 pixel blocks. |
| 649 uint64_t *dst = reinterpret_cast<uint64_t *>(outputBuffer); | 649 uint64_t *dst = reinterpret_cast<uint64_t *>(outputBuffer); |
| 650 for (int i = 0; i < nBlocks; ++i) { | 650 for (int i = 0; i < nBlocks; ++i) { |
| 651 *dst = 0x0020000000002000ULL; | 651 *dst = 0x0020000000002000ULL; |
| 652 ++dst; | 652 ++dst; |
| 653 } | 653 } |
| 654 | 654 |
| 655 return allocator->createT< | 655 return allocator->createT< |
| 656 SkTCompressedAlphaBlitter<4, 8, CompressorR11EAC>, int, int, void*> | 656 SkTCompressedAlphaBlitter<4, 8, CompressorR11EAC>>(width, height, output
Buffer); |
| 657 (width, height, outputBuffer); | |
| 658 } | 657 } |
| 659 | 658 |
| 660 void DecompressR11EAC(uint8_t* dst, int dstRowBytes, const uint8_t* src, int wid
th, int height) { | 659 void DecompressR11EAC(uint8_t* dst, int dstRowBytes, const uint8_t* src, int wid
th, int height) { |
| 661 for (int j = 0; j < height; j += 4) { | 660 for (int j = 0; j < height; j += 4) { |
| 662 for (int i = 0; i < width; i += 4) { | 661 for (int i = 0; i < width; i += 4) { |
| 663 decompress_r11_eac_block(dst + i, dstRowBytes, src); | 662 decompress_r11_eac_block(dst + i, dstRowBytes, src); |
| 664 src += 8; | 663 src += 8; |
| 665 } | 664 } |
| 666 dst += 4 * dstRowBytes; | 665 dst += 4 * dstRowBytes; |
| 667 } | 666 } |
| 668 } | 667 } |
| 669 | 668 |
| 670 } // namespace SkTextureCompressor | 669 } // namespace SkTextureCompressor |
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