6644d9353f
Proposed policy: - If the target is *legacy* (e.g. L32/PMColor) ignore gamma - If the target is S32/F16 respect gamma BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2029373004 Review-Url: https://codereview.chromium.org/2029373004
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Benchmark.h"
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#include "SkBitmap.h"
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#include "SkMipMap.h"
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class MipMapBench: public Benchmark {
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SkBitmap fBitmap;
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SkString fName;
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const int fW, fH;
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SkSourceGammaTreatment fTreatment;
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public:
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MipMapBench(int w, int h, SkSourceGammaTreatment treatment)
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: fW(w), fH(h), fTreatment(treatment)
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{
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fName.printf("mipmap_build_%dx%d_%d_gamma", w, h, static_cast<int>(treatment));
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}
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protected:
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bool isSuitableFor(Backend backend) override {
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return kNonRendering_Backend == backend;
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}
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const char* onGetName() override { return fName.c_str(); }
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void onDelayedSetup() override {
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SkImageInfo info = SkImageInfo::MakeS32(fW, fH, kPremul_SkAlphaType);
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fBitmap.allocPixels(info);
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fBitmap.eraseColor(SK_ColorWHITE); // so we don't read uninitialized memory
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}
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void onDraw(int loops, SkCanvas*) override {
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for (int i = 0; i < loops * 4; i++) {
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SkMipMap::Build(fBitmap, fTreatment, nullptr)->unref();
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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// Build variants that exercise the width and heights being even or odd at each level, as the
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// impl specializes on each of these.
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//
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DEF_BENCH( return new MipMapBench(511, 511, SkSourceGammaTreatment::kIgnore); )
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DEF_BENCH( return new MipMapBench(512, 511, SkSourceGammaTreatment::kIgnore); )
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DEF_BENCH( return new MipMapBench(511, 512, SkSourceGammaTreatment::kIgnore); )
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DEF_BENCH( return new MipMapBench(512, 512, SkSourceGammaTreatment::kIgnore); )
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DEF_BENCH( return new MipMapBench(512, 512, SkSourceGammaTreatment::kRespect); )
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