f168b86d7f
This idea came while commenting on https://codereview.chromium.org/343583005/ Since SkBenchmark, SkBenchLogger and SkGMBench are not part of the Skia library, they should not have the Sk prefix. BUG=None TEST=make all R=mtklein@google.com Author: tfarina@chromium.org Review URL: https://codereview.chromium.org/347823004
112 lines
2.7 KiB
C++
112 lines
2.7 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Benchmark.h"
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#include "SkBlurMask.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkRandom.h"
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#include "SkShader.h"
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#include "SkString.h"
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class BitmapScaleBench: public Benchmark {
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int fLoopCount;
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int fInputSize;
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int fOutputSize;
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SkString fName;
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public:
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BitmapScaleBench( int is, int os) {
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fInputSize = is;
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fOutputSize = os;
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fLoopCount = 20;
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}
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protected:
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SkBitmap fInputBitmap, fOutputBitmap;
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SkMatrix fMatrix;
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virtual const char* onGetName() {
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return fName.c_str();
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}
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int inputSize() const {
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return fInputSize;
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}
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int outputSize() const {
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return fOutputSize;
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}
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float scale() const {
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return float(outputSize())/inputSize();
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}
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SkIPoint onGetSize() SK_OVERRIDE {
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return SkIPoint::Make( fOutputSize, fOutputSize );
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}
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void setName(const char * name) {
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fName.printf( "bitmap_scale_%s_%d_%d", name, fInputSize, fOutputSize );
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}
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virtual void onPreDraw() {
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fInputBitmap.allocN32Pixels(fInputSize, fInputSize, true);
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fInputBitmap.eraseColor(SK_ColorWHITE);
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fOutputBitmap.allocN32Pixels(fOutputSize, fOutputSize, true);
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fMatrix.setScale( scale(), scale() );
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}
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virtual void onDraw(const int loops, SkCanvas*) {
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SkPaint paint;
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this->setupPaint(&paint);
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preBenchSetup();
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for (int i = 0; i < loops; i++) {
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doScaleImage();
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}
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}
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virtual void doScaleImage() = 0;
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virtual void preBenchSetup() {}
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private:
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typedef Benchmark INHERITED;
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};
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class BitmapFilterScaleBench: public BitmapScaleBench {
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public:
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BitmapFilterScaleBench( int is, int os) : INHERITED(is, os) {
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setName( "filter" );
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}
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protected:
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virtual void doScaleImage() SK_OVERRIDE {
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SkCanvas canvas( fOutputBitmap );
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SkPaint paint;
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paint.setFilterLevel(SkPaint::kHigh_FilterLevel);
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fInputBitmap.notifyPixelsChanged();
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canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint );
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}
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private:
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typedef BitmapScaleBench INHERITED;
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};
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DEF_BENCH(return new BitmapFilterScaleBench(10, 90);)
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DEF_BENCH(return new BitmapFilterScaleBench(30, 90);)
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DEF_BENCH(return new BitmapFilterScaleBench(80, 90);)
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DEF_BENCH(return new BitmapFilterScaleBench(90, 90);)
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DEF_BENCH(return new BitmapFilterScaleBench(90, 80);)
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DEF_BENCH(return new BitmapFilterScaleBench(90, 30);)
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DEF_BENCH(return new BitmapFilterScaleBench(90, 10);)
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DEF_BENCH(return new BitmapFilterScaleBench(256, 64);)
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DEF_BENCH(return new BitmapFilterScaleBench(64, 256);)
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