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- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "bench/Benchmark.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkImage.h"
- #include "include/core/SkSurface.h"
- class Image2RasterBench : public Benchmark {
- public:
- Image2RasterBench() {
- fName.set("native_image_to_raster_surface");
- }
- bool isSuitableFor(Backend backend) override {
- return kGPU_Backend == backend || kRaster_Backend == backend;
- }
- protected:
- const char* onGetName() override {
- return fName.c_str();
- }
- // We explicitly want to bench drawing a Image [cpu or gpu backed] into a raster target,
- // to ensure that we can cache the read-back in the case of gpu -> raster
- //
- void onPerCanvasPreDraw(SkCanvas* canvas) override {
- // create an Image reflecting the canvas (gpu or cpu)
- SkImageInfo info = canvas->imageInfo().makeWH(100, 100);
- auto surface(canvas->makeSurface(info));
- canvas->drawColor(SK_ColorRED);
- fImage = surface->makeImageSnapshot();
- // create a cpu-backed Surface
- SkImageInfo n32Info = SkImageInfo::MakeN32Premul(100, 100);
- fRasterSurface = SkSurface::MakeRaster(n32Info);
- }
- void onPerCanvasPostDraw(SkCanvas*) override {
- // Release the image and raster surface here to prevent out of order destruction
- // between these and the gpu interface.
- fRasterSurface.reset(nullptr);
- fImage.reset(nullptr);
- }
- void onDraw(int loops, SkCanvas*) override {
- for (int i = 0; i < loops; i++) {
- for (int inner = 0; inner < 10; ++inner) {
- fRasterSurface->getCanvas()->drawImage(fImage.get(), 0, 0);
- }
- }
- }
- private:
- SkString fName;
- sk_sp<SkImage> fImage;
- sk_sp<SkSurface> fRasterSurface;
- typedef Benchmark INHERITED;
- };
- DEF_BENCH( return new Image2RasterBench; )
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