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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "SkCodecPriv.h" | 8 #include "SkCodecPriv.h" |
9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
10 #include "SkColorTable.h" | 10 #include "SkColorTable.h" |
11 #include "SkBitmap.h" | 11 #include "SkBitmap.h" |
12 #include "SkMath.h" | 12 #include "SkMath.h" |
13 #include "SkOpts.h" | 13 #include "SkOpts.h" |
14 #include "SkPngCodec.h" | 14 #include "SkPngCodec.h" |
15 #include "SkPngFilters.h" | 15 #include "SkPngFilters.h" |
16 #include "SkSize.h" | 16 #include "SkSize.h" |
17 #include "SkStream.h" | 17 #include "SkStream.h" |
18 #include "SkSwizzler.h" | 18 #include "SkSwizzler.h" |
19 #include "SkTemplates.h" | 19 #include "SkTemplates.h" |
20 | 20 |
21 // png_struct::read_filter[] was added in libpng 1.5.7. | 21 // png_struct::read_filter[] was added in libpng 1.5.7. |
22 #if defined(__SSE2__) && PNG_LIBPNG_VER >= 10507 | 22 #if defined(__SSE2__) && PNG_LIBPNG_VER >= 10507 && !defined(PNG_SKIP_SKIA_OPTS) |
23 #include "pngstruct.h" | 23 #include "pngstruct.h" |
24 | 24 |
25 extern "C" void sk_png_init_filter_functions_sse2(png_structp png, unsigned
int bpp) { | 25 extern "C" void sk_png_init_filter_functions_sse2(png_structp png, unsigned
int bpp) { |
26 if (bpp == 3) { | 26 if (bpp == 3) { |
27 png->read_filter[PNG_FILTER_VALUE_SUB -1] = sk_sub3_sse2; | 27 png->read_filter[PNG_FILTER_VALUE_SUB -1] = sk_sub3_sse2; |
28 png->read_filter[PNG_FILTER_VALUE_AVG -1] = sk_avg3_sse2; | 28 png->read_filter[PNG_FILTER_VALUE_AVG -1] = sk_avg3_sse2; |
29 png->read_filter[PNG_FILTER_VALUE_PAETH-1] = sk_paeth3_sse2; | 29 png->read_filter[PNG_FILTER_VALUE_PAETH-1] = sk_paeth3_sse2; |
30 } | 30 } |
31 if (bpp == 4) { | 31 if (bpp == 4) { |
32 png->read_filter[PNG_FILTER_VALUE_SUB -1] = sk_sub4_sse2; | 32 png->read_filter[PNG_FILTER_VALUE_SUB -1] = sk_sub4_sse2; |
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758 } | 758 } |
759 | 759 |
760 if (1 == numberPasses) { | 760 if (1 == numberPasses) { |
761 return new SkPngScanlineDecoder(imageInfo, streamDeleter.detach(), chunk
Reader, | 761 return new SkPngScanlineDecoder(imageInfo, streamDeleter.detach(), chunk
Reader, |
762 png_ptr, info_ptr, bitDepth); | 762 png_ptr, info_ptr, bitDepth); |
763 } | 763 } |
764 | 764 |
765 return new SkPngInterlacedScanlineDecoder(imageInfo, streamDeleter.detach(),
chunkReader, | 765 return new SkPngInterlacedScanlineDecoder(imageInfo, streamDeleter.detach(),
chunkReader, |
766 png_ptr, info_ptr, bitDepth, numbe
rPasses); | 766 png_ptr, info_ptr, bitDepth, numbe
rPasses); |
767 } | 767 } |
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