skia2/bench/MipMapBench.cpp
Matt Sarett 8a8e5fe290 Reland: Finish up mip opts: 2x3 and 3x2
Original CL:
https://skia-review.googlesource.com/c/10028

mipmap_build_2048x2047 (2x3):
sRGB Float Impl (old): 82.9ms (reference)
8888                 : 12.3ms (reference)
sRGB Before          : 61.9ms
sRGB After           : 53.1ms

mipmap_build_2047x2048 (3x2):
sRGB Float Impl (old): 65.9ms (reference)
8888 Before          : 10.3ms
8888 After           : 8.81ms
sRGB Before          : 47.8ms
sRGB After           : 43.5ms

BUG=skia:

Change-Id: Icf58a857a66102e843ae2585fda8d70c31a2b34d
Reviewed-on: https://skia-review.googlesource.com/13186
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
2017-04-11 17:20:24 +00:00

80 lines
3.4 KiB
C++

/*
* 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); )