60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* Copyright 2015 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 "SkCanvas.h"
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#include "SkImage.h"
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#include "SkSurface.h"
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class Image2RasterBench : public Benchmark {
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public:
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Image2RasterBench() {
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fName.set("native_image_to_raster_surface");
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}
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bool isSuitableFor(Backend backend) override {
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return kGPU_Backend == backend || kRaster_Backend == backend;
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}
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protected:
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const char* onGetName() override {
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return fName.c_str();
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}
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// We explicitly want to bench drawing a Image [cpu or gpu backed] into a raster target,
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// to ensure that we can cache the read-back in the case of gpu -> raster
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//
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void onPerCanvasPreDraw(SkCanvas* canvas) override {
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// create an Image reflecting the canvas (gpu or cpu)
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SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
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SkAutoTUnref<SkSurface> surface(canvas->newSurface(info));
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canvas->drawColor(SK_ColorRED);
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fImage.reset(surface->newImageSnapshot());
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// create a cpu-backed Surface
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fRasterSurface.reset(SkSurface::NewRaster(info));
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}
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void onDraw(const int loops, SkCanvas*) override {
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for (int i = 0; i < loops; i++) {
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for (int inner = 0; inner < 10; ++inner) {
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fRasterSurface->getCanvas()->drawImage(fImage, 0, 0);
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}
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}
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}
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private:
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SkString fName;
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SkAutoTUnref<SkImage> fImage;
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SkAutoTUnref<SkSurface> fRasterSurface;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new Image2RasterBench; )
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