blob: d8260e7ca25647d65b086bb0444cf900e086eb93 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* 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 = 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; )
|
