/* * 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; )