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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkSurface.h"
#include "include/effects/SkHighContrastFilter.h"
#include "include/effects/SkImageFilters.h"
#include "include/effects/SkOverdrawColorFilter.h"
#include "include/effects/SkRuntimeEffect.h"
#include "src/core/SkColorFilterPriv.h"
#include "tools/Resources.h"
#include <functional>
static constexpr char kRuntimeNone_GPU_SRC[] = R"(
half4 main(half4 inColor) { return inColor; }
)";
static constexpr char kRuntimeColorMatrix_GPU_SRC[] = R"(
// WTB matrix/vector inputs.
uniform half m0 , m1 , m2 , m3 , m4 ,
m5 , m6 , m7 , m8 , m9 ,
m10, m11, m12, m13, m14,
m15, m16, m17, m18, m19;
half4 main(half4 inColor) {
half4 c = unpremul(inColor);
half4x4 m = half4x4(m0, m5, m10, m15,
m1, m6, m11, m16,
m2, m7, m12, m17,
m3, m8, m13, m18);
c = m * c + half4 (m4, m9, m14, m19);
c = saturate(c);
c.rgb *= c.a;
return c;
}
)";
static constexpr float kGrayscaleMatrix[] = {
0.2126f, 0.7152f, 0.0722f, 0.0f, 0.0f,
0.2126f, 0.7152f, 0.0722f, 0.0f, 0.0f,
0.2126f, 0.7152f, 0.0722f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f, 0.0f,
};
// Just need an interesting filter; nothing too special about color-matrix.
static sk_sp<SkColorFilter> make_grayscale() {
return SkColorFilters::Matrix(kGrayscaleMatrix);
}
static sk_sp<SkColorFilter> make_grayscale_rt() {
sk_sp<SkRuntimeEffect> effect =
SkRuntimeEffect::MakeForColorFilter(SkString(kRuntimeColorMatrix_GPU_SRC)).effect;
return effect->makeColorFilter(
SkData::MakeWithCopy(kGrayscaleMatrix, sizeof(kGrayscaleMatrix)));
}
/**
* Different ways to draw the same thing (a red rect with a color filter)
* All of their timings should be about the same
* (we allow for slight overhead to figure out that we can undo the presence of the filters)
*/
class FilteredRectBench : public Benchmark {
public:
enum Type {
kNoFilter_Type,
kColorFilter_Type,
kImageFilter_Type,
kRuntimeColorFilter_Type,
};
FilteredRectBench(Type t) : fType(t) {
static constexpr const char* kSuffix[] = {
"nofilter",
"colorfilter",
"imagefilter",
"runtimecolorfilter",
};
fName.printf("filteredrect_%s", kSuffix[t]);
fPaint.setColor(SK_ColorRED);
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDelayedSetup() override {
switch (fType) {
case kNoFilter_Type:
break;
case kColorFilter_Type:
fPaint.setColorFilter(make_grayscale());
break;
case kImageFilter_Type:
fPaint.setImageFilter(SkImageFilters::ColorFilter(make_grayscale(), nullptr));
break;
case kRuntimeColorFilter_Type:
fPaint.setColorFilter(make_grayscale_rt());
break;
}
}
void onDraw(int loops, SkCanvas* canvas) override {
const SkRect r = { 0, 0, 256, 256 };
for (int i = 0; i < loops; ++i) {
canvas->drawRect(r, fPaint);
}
}
private:
SkPaint fPaint;
SkString fName;
Type fType;
using INHERITED = Benchmark;
};
DEF_BENCH( return new FilteredRectBench(FilteredRectBench::kNoFilter_Type); )
DEF_BENCH( return new FilteredRectBench(FilteredRectBench::kColorFilter_Type); )
DEF_BENCH( return new FilteredRectBench(FilteredRectBench::kImageFilter_Type); )
DEF_BENCH( return new FilteredRectBench(FilteredRectBench::kRuntimeColorFilter_Type); )
namespace {
class ColorFilterBench final : public Benchmark {
public:
using Factory = sk_sp<SkColorFilter>(*)();
explicit ColorFilterBench(const char* suffix, Factory f)
: fFactory(f)
, fName(SkStringPrintf("colorfilter_%s", suffix)) {}
private:
const char* onGetName() override {
return fName.c_str();
}
SkIPoint onGetSize() override {
return { 256, 256 };
}
void onDelayedSetup() override {
// Pass the image though a premul canvas so that we "forget" it is opaque.
auto surface = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(256, 256));
surface->getCanvas()->drawImage(GetResourceAsImage("images/mandrill_256.png"), 0, 0);
fImage = surface->makeImageSnapshot();
fColorFilter = fFactory();
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint p;
p.setColorFilter(fColorFilter);
for (int i = 0; i < loops; ++i) {
canvas->drawImage(fImage, 0, 0, SkSamplingOptions(), &p);
}
}
const Factory fFactory;
const SkString fName;
sk_sp<SkImage> fImage;
sk_sp<SkColorFilter> fColorFilter;
};
static constexpr float kColorMatrix[] = {
0.3f, 0.3f, 0.0f, 0.0f, 0.3f,
0.0f, 0.3f, 0.3f, 0.0f, 0.3f,
0.0f, 0.0f, 0.3f, 0.3f, 0.3f,
0.3f, 0.0f, 0.3f, 0.3f, 0.0f,
};
} // namespace
DEF_BENCH( return new ColorFilterBench("none",
[]() { return sk_sp<SkColorFilter>(nullptr); }); )
DEF_BENCH( return new ColorFilterBench("blend_src",
[]() { return SkColorFilters::Blend(0x80808080, SkBlendMode::kSrc); }); )
DEF_BENCH( return new ColorFilterBench("blend_srcover",
[]() { return SkColorFilters::Blend(0x80808080, SkBlendMode::kSrcOver); }); )
DEF_BENCH( return new ColorFilterBench("linear_to_srgb",
[]() { return SkColorFilters::LinearToSRGBGamma(); }); )
DEF_BENCH( return new ColorFilterBench("srgb_to_linear",
[]() { return SkColorFilters::SRGBToLinearGamma(); }); )
DEF_BENCH( return new ColorFilterBench("matrix_rgba",
[]() { return SkColorFilters::Matrix(kColorMatrix); }); )
DEF_BENCH( return new ColorFilterBench("matrix_hsla",
[]() { return SkColorFilters::HSLAMatrix(kColorMatrix); }); )
DEF_BENCH( return new ColorFilterBench("compose_src",
[]() { return SkColorFilters::Compose(SkColorFilters::Blend(0x80808080, SkBlendMode::kSrc),
SkColorFilters::Blend(0x80808080, SkBlendMode::kSrc));
}); )
DEF_BENCH( return new ColorFilterBench("lerp_src",
[]() { return SkColorFilters::Lerp(0.3f,
SkColorFilters::Blend(0x80808080, SkBlendMode::kSrc),
SkColorFilters::Blend(0x80808080, SkBlendMode::kSrc));
}); )
DEF_BENCH( return new ColorFilterBench("highcontrast", []() {
return SkHighContrastFilter::Make({
false, SkHighContrastConfig::InvertStyle::kInvertLightness, 0.2f
});
}); )
DEF_BENCH( return new ColorFilterBench("overdraw", []() {
const SkColor colors[SkOverdrawColorFilter::kNumColors] = {
0x80FF0000, 0x8000FF00, 0x800000FF, 0x80FFFF00, 0x8000FFFF, 0x80FF00FF,
};
return SkOverdrawColorFilter::MakeWithSkColors(colors);
}); )
DEF_BENCH( return new ColorFilterBench("gaussian", []() {
return SkColorFilterPriv::MakeGaussian();
}); )
#if defined(SK_GANESH)
DEF_BENCH( return new ColorFilterBench("src_runtime", []() {
static sk_sp<SkRuntimeEffect> gEffect =
SkRuntimeEffect::MakeForColorFilter(SkString(kRuntimeNone_GPU_SRC)).effect;
return gEffect->makeColorFilter(SkData::MakeEmpty());
});)
DEF_BENCH( return new ColorFilterBench("matrix_runtime", []() {
static sk_sp<SkRuntimeEffect> gEffect =
SkRuntimeEffect::MakeForColorFilter(SkString(kRuntimeColorMatrix_GPU_SRC)).effect;
return gEffect->makeColorFilter(SkData::MakeWithCopy(kColorMatrix, sizeof(kColorMatrix)));
});)
#endif
class FilterColorBench final : public Benchmark {
public:
explicit FilterColorBench(const char* name, std::function<sk_sp<SkColorFilter>()> f)
: fName(name)
, fFilterFn(std::move(f)) {}
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
private:
const char* onGetName() override { return fName; }
void onDelayedSetup() override {
fColorFilter = fFilterFn();
}
void onDraw(int loops, SkCanvas*) override {
SkColor4f c = { 1.f, 1.f, 0.f, 1.0f };
for (int i = 0; i < loops; ++i) {
c = fColorFilter->filterColor4f(c, /*srcCS=*/nullptr, /*dstCS=*/nullptr);
}
}
const char* fName;
std::function<sk_sp<SkColorFilter>()> fFilterFn;
sk_sp<SkColorFilter> fColorFilter;
};
DEF_BENCH( return new FilterColorBench("matrix_filtercolor4f", &make_grayscale); )
DEF_BENCH( return new FilterColorBench("runtime_filtercolor4f", &make_grayscale_rt); )