| OLD | NEW |
| 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 "DecodingBench.h" | 9 #include "DecodingBench.h" |
| 10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
| 11 #include "SkData.h" | 11 #include "SkData.h" |
| 12 #include "SkImageDecoder.h" | 12 #include "SkImageDecoder.h" |
| 13 #include "SkMallocPixelRef.h" | 13 #include "SkMallocPixelRef.h" |
| 14 #include "SkOSFile.h" | 14 #include "SkOSFile.h" |
| 15 #include "SkStream.h" | 15 #include "SkStream.h" |
| 16 | 16 |
| 17 /* | 17 /* |
| 18 * | 18 * |
| 19 * This benchmark is designed to test the performance of image decoding. | 19 * This benchmark is designed to test the performance of image decoding. |
| 20 * It is invoked from the nanobench.cpp file. | 20 * It is invoked from the nanobench.cpp file. |
| 21 * | 21 * |
| 22 */ | 22 */ |
| 23 DecodingBench::DecodingBench(SkString path, SkColorType colorType) | 23 DecodingBench::DecodingBench(SkString path, SkColorType colorType) |
| 24 : fColorType(colorType) | 24 : fColorType(colorType) |
| 25 , fData(SkData::NewFromFileName(path.c_str())) | 25 , fData(SkData::NewFromFileName(path.c_str())) |
| 26 { | 26 { |
| 27 // Parse filename and the color type to give the benchmark a useful name | 27 // Parse filename and the color type to give the benchmark a useful name |
| 28 SkString baseName = SkOSPath::Basename(path.c_str()); | 28 SkString baseName = SkOSPath::Basename(path.c_str()); |
| 29 fName.printf("Decode_%s_%s", baseName.c_str(), color_type_to_str(colorType))
; | 29 fName.printf("Decode_%s_%s", baseName.c_str(), color_type_to_str(colorType))
; |
| 30 | 30 |
| 31 #ifdef SK_DEBUG | 31 #ifdef SK_DEBUG |
| 32 // Ensure that we can create a decoder. | 32 // Ensure that we can create a decoder. |
| 33 SkAutoTDelete<SkStreamRewindable> stream(new SkMemoryStream(fData)); | 33 SkAutoTDelete<SkStreamRewindable> stream(new SkMemoryStream(fData)); |
| 34 SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(stream)); | 34 SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(stream)); |
| 35 SkASSERT(decoder != nullptr); | 35 SkASSERT(decoder != nullptr); |
| 36 #endif | 36 #endif |
| 37 } | 37 } |
| 38 | 38 |
| 39 const char* DecodingBench::onGetName() { | 39 const char* DecodingBench::onGetName() { |
| 40 return fName.c_str(); | 40 return fName.c_str(); |
| (...skipping 30 matching lines...) Expand all Loading... |
| 71 // fPixelStorage. | 71 // fPixelStorage. |
| 72 bm->setPixelRef(SkMallocPixelRef::NewDirect(bm->info(), | 72 bm->setPixelRef(SkMallocPixelRef::NewDirect(bm->info(), |
| 73 fPixelStorage, bm->rowBytes(), ct))->unref(); | 73 fPixelStorage, bm->rowBytes(), ct))->unref(); |
| 74 return true; | 74 return true; |
| 75 } | 75 } |
| 76 | 76 |
| 77 private: | 77 private: |
| 78 void* fPixelStorage; // Unowned. DecodingBench owns this. | 78 void* fPixelStorage; // Unowned. DecodingBench owns this. |
| 79 }; | 79 }; |
| 80 | 80 |
| 81 void DecodingBench::onDraw(const int n, SkCanvas* canvas) { | 81 void DecodingBench::onDraw(int n, SkCanvas* canvas) { |
| 82 SkBitmap bitmap; | 82 SkBitmap bitmap; |
| 83 // Declare the allocator before the decoder, so it will outlive the | 83 // Declare the allocator before the decoder, so it will outlive the |
| 84 // decoder, which will unref it. | 84 // decoder, which will unref it. |
| 85 TargetAllocator allocator(fPixelStorage.get()); | 85 TargetAllocator allocator(fPixelStorage.get()); |
| 86 SkAutoTDelete<SkImageDecoder> decoder; | 86 SkAutoTDelete<SkImageDecoder> decoder; |
| 87 SkAutoTDelete<SkStreamRewindable> stream; | 87 SkAutoTDelete<SkStreamRewindable> stream; |
| 88 for (int i = 0; i < n; i++) { | 88 for (int i = 0; i < n; i++) { |
| 89 // create a new stream and a new decoder to mimic the behavior of | 89 // create a new stream and a new decoder to mimic the behavior of |
| 90 // CodecBench. | 90 // CodecBench. |
| 91 stream.reset(new SkMemoryStream(fData)); | 91 stream.reset(new SkMemoryStream(fData)); |
| 92 decoder.reset(SkImageDecoder::Factory(stream)); | 92 decoder.reset(SkImageDecoder::Factory(stream)); |
| 93 decoder->setAllocator(&allocator); | 93 decoder->setAllocator(&allocator); |
| 94 decoder->decode(stream, &bitmap, fColorType, | 94 decoder->decode(stream, &bitmap, fColorType, |
| 95 SkImageDecoder::kDecodePixels_Mode); | 95 SkImageDecoder::kDecodePixels_Mode); |
| 96 } | 96 } |
| 97 } | 97 } |
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