skia2/bench/MipMapBench.cpp
Brian Osman d1589c7213 Stop conflating F16 with linear gamma
Note to self: I debugged this, realized that the codecs
need to handle A2B -> XYZ, then realized that I just need
to wait for https://skia-review.googlesource.com/c/skia/+/136062

Bug: skia:
Change-Id: I594c22076feb3700b8a40c471a541fef5ff4e13e
Reviewed-on: https://skia-review.googlesource.com/137587
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2018-08-22 19:54:57 +00:00

68 lines
1.9 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;
bool fHalfFoat;
public:
MipMapBench(int w, int h, bool halfFloat = false)
: fW(w), fH(h), fHalfFoat(halfFloat)
{
fName.printf("mipmap_build_%dx%d", w, h);
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 {
SkColorType ct = fHalfFoat ? kRGBA_F16_SkColorType : kN32_SkColorType;
SkImageInfo info = SkImageInfo::Make(fW, fH, ct, kPremul_SkAlphaType,
SkColorSpace::MakeSRGB());
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, 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); )
DEF_BENCH( return new MipMapBench(512, 511); )
DEF_BENCH( return new MipMapBench(511, 512); )
DEF_BENCH( return new MipMapBench(512, 512); )
DEF_BENCH( return new MipMapBench(512, 512, true); )
DEF_BENCH( return new MipMapBench(511, 511, true); )
DEF_BENCH( return new MipMapBench(2048, 2048); )
DEF_BENCH( return new MipMapBench(2047, 2047); )
DEF_BENCH( return new MipMapBench(2048, 2047); )
DEF_BENCH( return new MipMapBench(2047, 2048); )