moz-skia/bench/DecodeBench.cpp

63 строки
1.7 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBenchmark.h"
#include "SkBitmap.h"
#include "SkImageDecoder.h"
#include "SkString.h"
static const char* gConfigName[] = {
"ERROR", "a1", "a8", "index8", "565", "4444", "8888"
};
class DecodeBench : public SkBenchmark {
const char* fFilename;
SkBitmap::Config fPrefConfig;
SkString fName;
enum { N = SkBENCHLOOP(10) };
public:
DecodeBench(void* param, SkBitmap::Config c) : SkBenchmark(param) {
fFilename = this->findDefine("decode-filename");
fPrefConfig = c;
const char* fname = NULL;
if (fFilename) {
fname = strrchr(fFilename, '/');
if (fname) {
fname += 1; // skip the slash
}
}
fName.printf("decode_%s_%s", gConfigName[c], fname);
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) {
if (fFilename) {
for (int i = 0; i < N; i++) {
SkBitmap bm;
SkImageDecoder::DecodeFile(fFilename, &bm, fPrefConfig,
SkImageDecoder::kDecodePixels_Mode);
}
}
}
private:
typedef SkBenchmark INHERITED;
};
static SkBenchmark* Fact0(void* p) { return new DecodeBench(p, SkBitmap::kARGB_8888_Config); }
static SkBenchmark* Fact1(void* p) { return new DecodeBench(p, SkBitmap::kRGB_565_Config); }
static SkBenchmark* Fact2(void* p) { return new DecodeBench(p, SkBitmap::kARGB_4444_Config); }
static BenchRegistry gReg0(Fact0);
static BenchRegistry gReg1(Fact1);
static BenchRegistry gReg2(Fact2);