1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #include "Benchmark.h" 9 #include "SkBitmap.h" 10 #include "SkCommandLineFlags.h" 11 #include "SkImageDecoder.h" 12 #include "SkOSFile.h" 13 #include "SkString.h" 14 #include "sk_tool_utils.h" 15 16 DEFINE_string(decodeBenchFilename, "resources/CMYK.jpeg", "Path to image for DecodeBench."); 17 18 class DecodeBench : public Benchmark { 19 const SkColorType fPrefColorType; 20 SkString fName; 21 public: DecodeBench(SkColorType ct)22 DecodeBench(SkColorType ct) : fPrefColorType(ct) { 23 SkString fname = SkOSPath::SkBasename(FLAGS_decodeBenchFilename[0]); 24 fName.printf("decode_%s_%s", sk_tool_utils::colortype_name(ct), fname.c_str()); 25 } 26 isSuitableFor(Backend backend)27 virtual bool isSuitableFor(Backend backend) SK_OVERRIDE { 28 return backend == kNonRendering_Backend; 29 } 30 31 protected: onGetName()32 virtual const char* onGetName() { 33 return fName.c_str(); 34 } 35 onDraw(const int loops,SkCanvas *)36 virtual void onDraw(const int loops, SkCanvas*) { 37 for (int i = 0; i < loops; i++) { 38 SkBitmap bm; 39 SkImageDecoder::DecodeFile(FLAGS_decodeBenchFilename[0], &bm, fPrefColorType, 40 SkImageDecoder::kDecodePixels_Mode); 41 } 42 } 43 44 private: 45 typedef Benchmark INHERITED; 46 }; 47 48 DEF_BENCH( return new DecodeBench(kN32_SkColorType); ) 49 DEF_BENCH( return new DecodeBench(kRGB_565_SkColorType); ) 50 DEF_BENCH( return new DecodeBench(kARGB_4444_SkColorType); ) 51
