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 "SkBenchmark.h" 9 #include "SkBitmap.h" 10 #include "SkImageDecoder.h" 11 #include "SkString.h" 12 13 static const char* gConfigName[] = { 14 "ERROR", "a1", "a8", "index8", "565", "4444", "8888" 15 }; 16 17 class DecodeBench : public SkBenchmark { 18 const char* fFilename; 19 SkBitmap::Config fPrefConfig; 20 SkString fName; 21 enum { N = SkBENCHLOOP(10) }; 22 public: 23 DecodeBench(void* param, SkBitmap::Config c) : SkBenchmark(param) { 24 fFilename = this->findDefine("decode-filename"); 25 fPrefConfig = c; 26 27 const char* fname = NULL; 28 if (fFilename) { 29 fname = strrchr(fFilename, '/'); 30 if (fname) { 31 fname += 1; // skip the slash 32 } 33 } 34 fName.printf("decode_%s_%s", gConfigName[c], fname); 35 fIsRendering = false; 36 } 37 38 protected: 39 virtual const char* onGetName() { 40 return fName.c_str(); 41 } 42 43 virtual void onDraw(SkCanvas* canvas) { 44 if (fFilename) { 45 for (int i = 0; i < N; i++) { 46 SkBitmap bm; 47 SkImageDecoder::DecodeFile(fFilename, &bm, fPrefConfig, 48 SkImageDecoder::kDecodePixels_Mode); 49 } 50 } 51 } 52 53 private: 54 typedef SkBenchmark INHERITED; 55 }; 56 57 static SkBenchmark* Fact0(void* p) { return new DecodeBench(p, SkBitmap::kARGB_8888_Config); } 58 static SkBenchmark* Fact1(void* p) { return new DecodeBench(p, SkBitmap::kRGB_565_Config); } 59 static SkBenchmark* Fact2(void* p) { return new DecodeBench(p, SkBitmap::kARGB_4444_Config); } 60 61 static BenchRegistry gReg0(Fact0); 62 static BenchRegistry gReg1(Fact1); 63 static BenchRegistry gReg2(Fact2); 64