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/*
* 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 "SkBitmap.h"
#include "SkMipMap.h"
class MipMapBench: public Benchmark {
SkBitmap fBitmap;
SkString fName;
const int fW, fH;
SkDestinationSurfaceColorMode fColorMode;
bool fHalfFoat;
public:
MipMapBench(int w, int h, SkDestinationSurfaceColorMode colorMode, bool halfFloat = false)
: fW(w), fH(h), fColorMode(colorMode), fHalfFoat(halfFloat)
{
fName.printf("mipmap_build_%dx%d_%d_gamma", w, h, static_cast<int>(colorMode));
if (halfFloat) {
fName.append("_f16");
}
}
protected:
bool isSuitableFor(Backend backend) override {
return kNonRendering_Backend == backend;
}
const char* onGetName() override { return fName.c_str(); }
void onDelayedSetup() override {
SkImageInfo info = fHalfFoat ? SkImageInfo::Make(fW, fH, kRGBA_F16_SkColorType,
kPremul_SkAlphaType,
SkColorSpace::MakeSRGBLinear())
: SkImageInfo::MakeS32(fW, fH, kPremul_SkAlphaType);
fBitmap.allocPixels(info);
fBitmap.eraseColor(SK_ColorWHITE); // so we don't read uninitialized memory
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops * 4; i++) {
SkMipMap::Build(fBitmap, fColorMode, nullptr)->unref();
}
}
private:
typedef Benchmark INHERITED;
};
// Build variants that exercise the width and heights being even or odd at each level, as the
// impl specializes on each of these.
//
DEF_BENCH( return new MipMapBench(511, 511, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(512, 511, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(511, 512, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(512, 512, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(512, 512,
SkDestinationSurfaceColorMode::kGammaAndColorSpaceAware); )
DEF_BENCH( return new MipMapBench(511, 511,
SkDestinationSurfaceColorMode::kGammaAndColorSpaceAware); )
DEF_BENCH( return new MipMapBench(512, 512, SkDestinationSurfaceColorMode::kLegacy, true); )
DEF_BENCH( return new MipMapBench(511, 511, SkDestinationSurfaceColorMode::kLegacy, true); )
DEF_BENCH( return new MipMapBench(2048, 2048, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(2048, 2048,
SkDestinationSurfaceColorMode::kGammaAndColorSpaceAware); )
DEF_BENCH( return new MipMapBench(2047, 2047, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(2047, 2047,
SkDestinationSurfaceColorMode::kGammaAndColorSpaceAware); )
DEF_BENCH( return new MipMapBench(2048, 2047, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(2048, 2047,
SkDestinationSurfaceColorMode::kGammaAndColorSpaceAware); )
DEF_BENCH( return new MipMapBench(2047, 2048, SkDestinationSurfaceColorMode::kLegacy); )
DEF_BENCH( return new MipMapBench(2047, 2048,
SkDestinationSurfaceColorMode::kGammaAndColorSpaceAware); )
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