skia2/bench/DrawLatticeBench.cpp

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/*
* 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;
fLattice.fFlags = nullptr;
fLattice.fBounds = nullptr;
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");)