1/* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#include "bench/CodecBench.h" 9#include "bench/CodecBenchPriv.h" 10#include "include/codec/SkCodec.h" 11#include "include/core/SkBitmap.h" 12#include "src/core/SkOSFile.h" 13#include "tools/flags/CommandLineFlags.h" 14 15// Actually zeroing the memory would throw off timing, so we just lie. 16static DEFINE_bool(zero_init, false, 17 "Pretend our destination is zero-intialized, simulating Android?"); 18 19CodecBench::CodecBench(SkString baseName, SkData* encoded, SkColorType colorType, 20 SkAlphaType alphaType) 21 : fColorType(colorType) 22 , fAlphaType(alphaType) 23 , fData(SkRef(encoded)) 24{ 25 // Parse filename and the color type to give the benchmark a useful name 26 fName.printf("Codec_%s_%s%s", baseName.c_str(), color_type_to_str(colorType), 27 alpha_type_to_str(alphaType)); 28 // Ensure that we can create an SkCodec from this data. 29 SkASSERT(SkCodec::MakeFromData(fData)); 30} 31 32const char* CodecBench::onGetName() { 33 return fName.c_str(); 34} 35 36bool CodecBench::isSuitableFor(Backend backend) { 37 return kNonRendering_Backend == backend; 38} 39 40void CodecBench::onDelayedSetup() { 41 std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(fData); 42 43 fInfo = codec->getInfo().makeColorType(fColorType) 44 .makeAlphaType(fAlphaType) 45 .makeColorSpace(nullptr); 46 47 fPixelStorage.reset(fInfo.computeMinByteSize()); 48} 49 50void CodecBench::onDraw(int n, SkCanvas* canvas) { 51 std::unique_ptr<SkCodec> codec; 52 SkCodec::Options options; 53 if (FLAGS_zero_init) { 54 options.fZeroInitialized = SkCodec::kYes_ZeroInitialized; 55 } 56 for (int i = 0; i < n; i++) { 57 codec = SkCodec::MakeFromData(fData); 58#ifdef SK_DEBUG 59 const SkCodec::Result result = 60#endif 61 codec->getPixels(fInfo, fPixelStorage.get(), fInfo.minRowBytes(), 62 &options); 63 SkASSERT(result == SkCodec::kSuccess 64 || result == SkCodec::kIncompleteInput); 65 } 66} 67