skia2/bench/DrawLatticeBench.cpp
msarett 10e3d9bf59 Batched implementation of drawLattice() for GPU
Bechmarks (Nexus 6P):

Src=100x100, Dst=250x250, NumRects=9
Android              77.7us
Skia (without patch) 57.2us
Skia (with patch)    30.9us

Src=100x100, Dst=500x500, NumRects=9
Android              77.0us
Skia (without patch) 56.9us
Skia (with patch)    31.8us

Src=100x100, Dst=1000x1000, NumRects=9
Android              180us
Skia (without patch) 96.8us
Skia (with patch)    70.5us

Src=100x100, Dst=250x250, NumRects=15
Android              208us
Skia (without patch) 155us
Skia (with patch)    38.2us

Src=100x100, Dst=500x500, NumRects=15
Android              207us
Skia (without patch) 152us
Skia (with patch)    38.4us

Src=100x100, Dst=1000x1000, NumRects=15
Android              233us
Skia (without patch) 156us
Skia (with patch)    99.9us

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2255963002

Committed: https://skia.googlesource.com/skia/+/93242c4ae50dfcc0d922cdb3ba80bbc7b4bbe93d
Review-Url: https://codereview.chromium.org/2255963002
2016-08-18 15:46:03 -07:00

75 lines
2.6 KiB
C++

/*
* Copyright 2016 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 "SkRect.h"
#include "SkString.h"
class DrawLatticeBench : public Benchmark {
public:
DrawLatticeBench(int* xDivs, int xCount, int* yDivs, int yCount, const SkISize& srcSize,
const SkRect& dst, const char* desc)
: fSrcSize(srcSize)
, fDst(dst)
{
fLattice.fXDivs = xDivs;
fLattice.fXCount = xCount;
fLattice.fYDivs = yDivs;
fLattice.fYCount = yCount;
fName = SkStringPrintf("DrawLattice_%s", desc);
}
const char* onGetName() override {
return fName.c_str();
}
SkIPoint onGetSize() override {
return SkIPoint::Make(1000, 1000);
}
bool isSuitableFor(Backend backend) override {
return kRaster_Backend == backend || kGPU_Backend == backend;
}
void onDelayedSetup() override {
fBitmap.allocN32Pixels(fSrcSize.width(), fSrcSize.height());
fBitmap.eraseColor(0x880000FF);
}
void onDraw(int loops, SkCanvas* canvas) override {
for (int i = 0; i < loops; i++) {
canvas->drawBitmapLattice(fBitmap, fLattice, fDst);
}
}
private:
SkISize fSrcSize;
SkCanvas::Lattice fLattice;
SkRect fDst;
SkString fName;
SkBitmap fBitmap;
typedef Benchmark INHERITED;
};
static int gDivs9[2] = { 25, 75, };
DEF_BENCH(return new DrawLatticeBench(gDivs9, 2, gDivs9, 2, SkISize::Make(100, 100),
SkRect::MakeWH(250.0f, 250.0f), "Src100_Dst250_Rects9");)
DEF_BENCH(return new DrawLatticeBench(gDivs9, 2, gDivs9, 2, SkISize::Make(100, 100),
SkRect::MakeWH(500.0f, 500.0f), "Src100_Dst500_Rects9");)
DEF_BENCH(return new DrawLatticeBench(gDivs9, 2, gDivs9, 2, SkISize::Make(100, 100),
SkRect::MakeWH(1000.0f, 1000.0f), "Src100_Dst1000_Rects9");)
static int gDivs15[4] = { 15, 45, 55, 85, };
DEF_BENCH(return new DrawLatticeBench(gDivs15, 4, gDivs15, 4, SkISize::Make(100, 100),
SkRect::MakeWH(250.0f, 250.0f), "Src100_Dst250_Rects15");)
DEF_BENCH(return new DrawLatticeBench(gDivs15, 4, gDivs15, 4, SkISize::Make(100, 100),
SkRect::MakeWH(500.0f, 500.0f), "Src100_Dst500_Rects15");)
DEF_BENCH(return new DrawLatticeBench(gDivs15, 4, gDivs15, 4, SkISize::Make(100, 100),
SkRect::MakeWH(1000.0f, 1000.0f), "Src100_Dst1000_Rects15");)