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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 "CodecBenchPriv.h" | 8 #include "CodecBenchPriv.h" |
9 #include "SubsetSingleBench.h" | 9 #include "SubsetSingleBench.h" |
10 #include "SubsetBenchPriv.h" | 10 #include "SubsetBenchPriv.h" |
11 #include "SkData.h" | 11 #include "SkData.h" |
12 #include "SkCodec.h" | 12 #include "SkCodec.h" |
13 #include "SkImageDecoder.h" | 13 #include "SkImageDecoder.h" |
14 #include "SkOSFile.h" | 14 #include "SkOSFile.h" |
15 #include "SkScanlineDecoder.h" | |
16 #include "SkStream.h" | 15 #include "SkStream.h" |
17 | 16 |
18 /* | 17 /* |
19 * | 18 * |
20 * This benchmark is designed to test the performance of subset decoding. | 19 * This benchmark is designed to test the performance of subset decoding. |
21 * It uses an input width, height, left, and top to decode a single subset. | 20 * It uses an input width, height, left, and top to decode a single subset. |
22 * | 21 * |
23 */ | 22 */ |
24 | 23 |
25 SubsetSingleBench::SubsetSingleBench(const SkString& path, | 24 SubsetSingleBench::SubsetSingleBench(const SkString& path, |
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58 return kNonRendering_Backend == backend; | 57 return kNonRendering_Backend == backend; |
59 } | 58 } |
60 | 59 |
61 void SubsetSingleBench::onDraw(const int n, SkCanvas* canvas) { | 60 void SubsetSingleBench::onDraw(const int n, SkCanvas* canvas) { |
62 // When the color type is kIndex8, we will need to store the color table. I
f it is | 61 // When the color type is kIndex8, we will need to store the color table. I
f it is |
63 // used, it will be initialized by the codec. | 62 // used, it will be initialized by the codec. |
64 int colorCount; | 63 int colorCount; |
65 SkPMColor colors[256]; | 64 SkPMColor colors[256]; |
66 if (fUseCodec) { | 65 if (fUseCodec) { |
67 for (int count = 0; count < n; count++) { | 66 for (int count = 0; count < n; count++) { |
68 SkAutoTDelete<SkScanlineDecoder> scanlineDecoder( | 67 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(fStream->duplica
te())); |
69 SkScanlineDecoder::NewFromStream(fStream->duplicate())); | 68 const SkImageInfo info = codec->getInfo().makeColorType(fColorType); |
70 const SkImageInfo info = scanlineDecoder->getInfo().makeColorType(fC
olorType); | |
71 SkAutoTDeleteArray<uint8_t> row(new uint8_t[info.minRowBytes()]); | 69 SkAutoTDeleteArray<uint8_t> row(new uint8_t[info.minRowBytes()]); |
72 scanlineDecoder->start(info, nullptr, colors, &colorCount); | 70 codec->startScanlineDecode(info, nullptr, colors, &colorCount); |
73 | 71 |
74 SkBitmap bitmap; | 72 SkBitmap bitmap; |
75 SkImageInfo subsetInfo = info.makeWH(fSubsetWidth, fSubsetHeight); | 73 SkImageInfo subsetInfo = info.makeWH(fSubsetWidth, fSubsetHeight); |
76 alloc_pixels(&bitmap, subsetInfo, colors, colorCount); | 74 alloc_pixels(&bitmap, subsetInfo, colors, colorCount); |
77 | 75 |
78 scanlineDecoder->skipScanlines(fOffsetTop); | 76 codec->skipScanlines(fOffsetTop); |
79 uint32_t bpp = info.bytesPerPixel(); | 77 uint32_t bpp = info.bytesPerPixel(); |
80 for (uint32_t y = 0; y < fSubsetHeight; y++) { | 78 for (uint32_t y = 0; y < fSubsetHeight; y++) { |
81 scanlineDecoder->getScanlines(row.get(), 1, 0); | 79 codec->getScanlines(row.get(), 1, 0); |
82 memcpy(bitmap.getAddr(0, y), row.get() + fOffsetLeft * bpp, | 80 memcpy(bitmap.getAddr(0, y), row.get() + fOffsetLeft * bpp, |
83 fSubsetWidth * bpp); | 81 fSubsetWidth * bpp); |
84 } | 82 } |
85 } | 83 } |
86 } else { | 84 } else { |
87 for (int count = 0; count < n; count++) { | 85 for (int count = 0; count < n; count++) { |
88 SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStrea
m)); | 86 SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStrea
m)); |
89 int width, height; | 87 int width, height; |
90 decoder->buildTileIndex(fStream->duplicate(), &width, &height); | 88 decoder->buildTileIndex(fStream->duplicate(), &width, &height); |
91 SkBitmap bitmap; | 89 SkBitmap bitmap; |
92 SkIRect rect = SkIRect::MakeXYWH(fOffsetLeft, fOffsetTop, fSubsetWid
th, | 90 SkIRect rect = SkIRect::MakeXYWH(fOffsetLeft, fOffsetTop, fSubsetWid
th, |
93 fSubsetHeight); | 91 fSubsetHeight); |
94 decoder->decodeSubset(&bitmap, rect, fColorType); | 92 decoder->decodeSubset(&bitmap, rect, fColorType); |
95 } | 93 } |
96 } | 94 } |
97 } | 95 } |
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