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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 #ifndef SkTextureCompressor_DEFINED | 8 #ifndef SkTextureCompressor_DEFINED |
9 #define SkTextureCompressor_DEFINED | 9 #define SkTextureCompressor_DEFINED |
10 | 10 |
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27 // Returns an SkData holding a blob of compressed data that corresponds | 27 // Returns an SkData holding a blob of compressed data that corresponds |
28 // to the bitmap. If the bitmap colorType cannot be compressed using the | 28 // to the bitmap. If the bitmap colorType cannot be compressed using the |
29 // associated format, then we return NULL. The caller is responsible for | 29 // associated format, then we return NULL. The caller is responsible for |
30 // calling unref() on the returned data. | 30 // calling unref() on the returned data. |
31 SkData* CompressBitmapToFormat(const SkBitmap& bitmap, Format format); | 31 SkData* CompressBitmapToFormat(const SkBitmap& bitmap, Format format); |
32 | 32 |
33 // Compresses the given src data into dst. The src data is assumed to be | 33 // Compresses the given src data into dst. The src data is assumed to be |
34 // large enough to hold width*height pixels. The dst data is expected to | 34 // large enough to hold width*height pixels. The dst data is expected to |
35 // be large enough to hold the compressed data according to the format. | 35 // be large enough to hold the compressed data according to the format. |
36 bool CompressBufferToFormat(uint8_t* dst, const uint8_t* src, SkColorType sr
cColorType, | 36 bool CompressBufferToFormat(uint8_t* dst, const uint8_t* src, SkColorType sr
cColorType, |
37 int width, int height, int rowBytes, Format form
at); | 37 int width, int height, int rowBytes, Format form
at, |
| 38 bool opt = true /* Use optimization if available
*/); |
| 39 |
| 40 // This typedef defines what the nominal aspects of a compression function |
| 41 // are. The typedef is not meant to be used by clients of the API, but rathe
r |
| 42 // allows SIMD optimized compression functions to be implemented. |
| 43 typedef bool (*CompressionProc)(uint8_t* dst, const uint8_t* src, |
| 44 int width, int height, int rowBytes); |
38 } | 45 } |
39 | 46 |
40 #endif | 47 #endif |
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