• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7 
8 #include "Benchmark.h"
9 #include "SkBitmap.h"
10 #include "SkCanvas.h"
11 #include "SkColorSpaceXformCanvas.h"
12 #include "SkString.h"
13 
14 class ColorCanvasDrawBitmap : public Benchmark {
15 public:
ColorCanvasDrawBitmap(sk_sp<SkColorSpace> src,sk_sp<SkColorSpace> dst,const char * name)16     ColorCanvasDrawBitmap(sk_sp<SkColorSpace> src, sk_sp<SkColorSpace> dst, const char* name)
17         : fDst(dst)
18         , fName(SkStringPrintf("ColorCanvasDrawBitmap_%s", name))
19     {
20         fBitmap.allocPixels(SkImageInfo::MakeN32(100, 100, kOpaque_SkAlphaType, src));
21         fBitmap.eraseColor(SK_ColorBLUE);
22     }
23 
onGetName()24     const char* onGetName() override {
25         return fName.c_str();
26     }
27 
onGetSize()28     SkIPoint onGetSize() override {
29         return SkIPoint::Make(100, 100);
30     }
31 
isSuitableFor(Backend backend)32     bool isSuitableFor(Backend backend) override {
33         return kRaster_Backend == backend || kGPU_Backend == backend;
34     }
35 
onDraw(int n,SkCanvas * canvas)36     void onDraw(int n, SkCanvas* canvas) override {
37         // This simulates an Android app that draws bitmaps to a software canvas.
38         // Chrome and the Android framework both use SkImages exclusively.
39         std::unique_ptr<SkCanvas> colorCanvas = SkCreateColorSpaceXformCanvas(canvas, fDst);
40         for (int i = 0; i < n; i++) {
41             colorCanvas->drawBitmap(fBitmap, 0, 0, nullptr);
42         }
43     }
44 
45 private:
46     sk_sp<SkColorSpace> fDst;
47     SkString            fName;
48     SkBitmap            fBitmap;
49 
50     typedef Benchmark INHERITED;
51 };
52 
53 DEF_BENCH(return new ColorCanvasDrawBitmap(nullptr, SkColorSpace::MakeSRGB(), "null_to_sRGB");)
54 DEF_BENCH(return new ColorCanvasDrawBitmap(SkColorSpace::MakeSRGB(), SkColorSpace::MakeSRGB(),
55         "sRGB_to_sRGB");)
56 DEF_BENCH(return new ColorCanvasDrawBitmap(
57         SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma, SkColorSpace::kAdobeRGB_Gamut),
58         SkColorSpace::MakeSRGB(), "AdobeRGB_to_sRGB");)
59