skia2/bench/ImageBench.cpp
reed da420b976e Reland of move drawSprite from canvas (patchset #1 id:1 of https://codereview.chromium.org/1529803004/ )
Reason for revert:
guard has landed in chrome

Original issue's description:
> Revert of remove drawSprite from canvas (patchset #4 id:60001 of https://codereview.chromium.org/1534443003/ )
>
> Reason for revert:
> need to remove an override in chrome
>
> Original issue's description:
> > remove drawSprite from canvas
> >
> > BUG=skia:
> >
> > Committed: https://skia.googlesource.com/skia/+/4657ce2324ea197507c4ba728d81138f56da13b1
>
> TBR=fmalita@chromium.org,robertphillips@google.com,senorblanco@chromium.org,mtklein@google.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/32704674f64cb6a14356dfebe060cd3484c06cc7

TBR=fmalita@chromium.org,robertphillips@google.com,senorblanco@chromium.org,mtklein@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1530203002
2015-12-16 08:38:16 -08:00

65 lines
1.9 KiB
C++

/*
* 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 "Benchmark.h"
#include "SkCanvas.h"
#include "SkImage.h"
#include "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 = SkImageInfo::MakeN32Premul(100, 100);
SkAutoTUnref<SkSurface> surface(canvas->newSurface(info));
canvas->drawColor(SK_ColorRED);
fImage.reset(surface->newImageSnapshot());
// create a cpu-backed Surface
fRasterSurface.reset(SkSurface::NewRaster(info));
}
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, 0, 0);
}
}
}
private:
SkString fName;
SkAutoTUnref<SkImage> fImage;
SkAutoTUnref<SkSurface> fRasterSurface;
typedef Benchmark INHERITED;
};
DEF_BENCH( return new Image2RasterBench; )