cbbdab5513
git-svn-id: http://skia.googlecode.com/svn/trunk@8732 2bbb7eff-a529-9590-31e7-b0007b416f81
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
|
|
/*
|
|
* Copyright 2013 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#if SK_SUPPORT_GPU
|
|
#include "GrRenderTarget.h"
|
|
#endif
|
|
#include "SkBenchmark.h"
|
|
#include "SkDeferredCanvas.h"
|
|
#include "SkDevice.h"
|
|
#include "SkImage.h"
|
|
#include "SkSurface.h"
|
|
|
|
class DeferredSurfaceCopyBench : public SkBenchmark {
|
|
enum {
|
|
N = SkBENCHLOOP(5),
|
|
kSurfaceWidth = 1000,
|
|
kSurfaceHeight = 1000,
|
|
};
|
|
public:
|
|
DeferredSurfaceCopyBench(void* param, bool discardableContents) : SkBenchmark(param) {
|
|
fDiscardableContents = discardableContents;
|
|
}
|
|
|
|
protected:
|
|
virtual const char* onGetName() SK_OVERRIDE {
|
|
return fDiscardableContents ? "DeferredSurfaceCopy_discardable" :
|
|
"DeferredSurfaceCopy_nonDiscardable";
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
|
|
// The canvas is not actually used for this test except to provide
|
|
// configuration information: gpu, multisampling, size, etc?
|
|
SkImage::Info info;
|
|
info.fWidth = kSurfaceWidth;
|
|
info.fHeight = kSurfaceHeight;
|
|
info.fColorType = SkImage::kPMColor_ColorType;
|
|
info.fAlphaType = SkImage::kPremul_AlphaType;
|
|
const SkRect fullCanvasRect = SkRect::MakeWH(
|
|
SkIntToScalar(kSurfaceWidth), SkIntToScalar(kSurfaceHeight));
|
|
SkSurface* surface;
|
|
#if SK_SUPPORT_GPU
|
|
GrRenderTarget* rt = reinterpret_cast<GrRenderTarget*>(
|
|
canvas->getDevice()->accessRenderTarget());
|
|
if (NULL != rt) {
|
|
surface = SkSurface::NewRenderTarget(rt->getContext(), info, rt->numSamples());
|
|
} else
|
|
#endif
|
|
{
|
|
surface = SkSurface::NewRaster(info);
|
|
}
|
|
SkDeferredCanvas drawingCanvas(surface);
|
|
surface->unref();
|
|
|
|
for (int iteration = 0; iteration < N; iteration++) {
|
|
drawingCanvas.clear(0);
|
|
SkAutoTUnref<SkImage> image(drawingCanvas.newImageSnapshot());
|
|
SkPaint paint;
|
|
if (!fDiscardableContents) {
|
|
// If paint is not opaque, prior canvas contents are
|
|
// not discardable because they are needed for compositing.
|
|
paint.setAlpha(127);
|
|
}
|
|
drawingCanvas.drawRect(fullCanvasRect, paint);
|
|
// Trigger copy on write, which should be faster in the discardable case.
|
|
drawingCanvas.flush();
|
|
}
|
|
}
|
|
|
|
private:
|
|
bool fDiscardableContents;
|
|
|
|
typedef SkBenchmark INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkBenchmark* Fact0(void* p) { return new DeferredSurfaceCopyBench(p, false); }
|
|
static SkBenchmark* Fact1(void* p) { return new DeferredSurfaceCopyBench(p, true); }
|
|
|
|
static BenchRegistry gReg0(Fact0);
|
|
static BenchRegistry gReg1(Fact1);
|