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/*
* Copyright 2016 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 "SkOpts.h"
#include "SkRasterPipeline.h"
static const int N = 15;
static uint64_t dst[N]; // sRGB or F16
static uint32_t src[N]; // sRGB
static uint8_t mask[N]; // 8-bit linear
// We'll build up a somewhat realistic useful pipeline:
// - load srgb src
// - scale src by 8-bit mask
// - load srgb/f16 dst
// - src = srcover(dst, src)
// - store src back as srgb/f16
template <bool kF16>
class SkRasterPipelineBench : public Benchmark {
public:
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override {
switch ((int)kF16) {
case 0: return "SkRasterPipeline_srgb";
case 1: return "SkRasterPipeline_f16";
}
return "whoops";
}
void onDraw(int loops, SkCanvas*) override {
void* mask_ctx = mask;
void* src_ctx = src;
void* dst_ctx = dst;
SkRasterPipeline p;
p.append(SkRasterPipeline::load_8888, &src_ctx);
p.append_from_srgb(kUnpremul_SkAlphaType);
p.append(SkRasterPipeline::scale_u8, &mask_ctx);
p.append(SkRasterPipeline::move_src_dst);
if (kF16) {
p.append(SkRasterPipeline::load_f16, &dst_ctx);
} else {
p.append(SkRasterPipeline::load_8888, &dst_ctx);
p.append_from_srgb(kPremul_SkAlphaType);
}
p.append(SkRasterPipeline::dstover);
if (kF16) {
p.append(SkRasterPipeline::store_f16, &dst_ctx);
} else {
p.append(SkRasterPipeline::to_srgb);
p.append(SkRasterPipeline::store_8888, &dst_ctx);
}
while (loops --> 0) {
p.run(0,N);
}
}
};
DEF_BENCH( return (new SkRasterPipelineBench< true>); )
DEF_BENCH( return (new SkRasterPipelineBench<false>); )
class SkRasterPipelineCompileVsRunBench : public Benchmark {
public:
explicit SkRasterPipelineCompileVsRunBench(bool compile) : fCompile(compile) {}
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override {
return fCompile ? "SkRasterPipeline_compile"
: "SkRasterPipeline_run";
}
void onDraw(int loops, SkCanvas*) override {
void* src_ctx = src;
void* dst_ctx = dst;
SkRasterPipeline p;
p.append(SkRasterPipeline::load_8888, &dst_ctx);
p.append(SkRasterPipeline::move_src_dst);
p.append(SkRasterPipeline::load_8888, &src_ctx);
p.append(SkRasterPipeline::srcover);
p.append(SkRasterPipeline::store_8888, &dst_ctx);
if (fCompile) {
char buffer[1024];
SkArenaAlloc alloc(buffer);
auto fn = p.compile(&alloc);
while (loops --> 0) {
fn(0,N);
}
} else {
while (loops --> 0) {
p.run(0,N);
}
}
}
private:
bool fCompile;
};
DEF_BENCH( return (new SkRasterPipelineCompileVsRunBench(true )); )
DEF_BENCH( return (new SkRasterPipelineCompileVsRunBench(false)); )
static SkColorSpaceTransferFn gamma(float g) {
SkColorSpaceTransferFn fn = {0,0,0,0,0,0,0};
fn.fG = g;
fn.fA = 1;
return fn;
}
class SkRasterPipeline_2dot2 : public Benchmark {
public:
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override {
return "SkRasterPipeline_2dot2";
}
void onDraw(int loops, SkCanvas*) override {
SkColor4f c = { 1.0f, 1.0f, 1.0f, 1.0f };
SkColorSpaceTransferFn from_2dot2 = gamma( 2.2f),
to_2dot2 = gamma(1/2.2f);
SkRasterPipeline p;
p.append(SkRasterPipeline::constant_color, &c);
p.append(SkRasterPipeline::parametric_r, &from_2dot2);
p.append(SkRasterPipeline::parametric_g, &from_2dot2);
p.append(SkRasterPipeline::parametric_b, &from_2dot2);
p.append(SkRasterPipeline::parametric_r, & to_2dot2);
p.append(SkRasterPipeline::parametric_g, & to_2dot2);
p.append(SkRasterPipeline::parametric_b, & to_2dot2);
while (loops --> 0) {
p.run(0,N);
}
}
};
DEF_BENCH( return (new SkRasterPipeline_2dot2); )
class SkRasterPipelineToSRGB : public Benchmark {
public:
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
const char* onGetName() override {
return "SkRasterPipeline_to_srgb";
}
void onDraw(int loops, SkCanvas*) override {
SkRasterPipeline p;
p.append(SkRasterPipeline::to_srgb);
while (loops --> 0) {
p.run(0,N);
}
}
};
DEF_BENCH( return (new SkRasterPipelineToSRGB); )
class SkRasterPipelineReuseBench : public Benchmark {
public:
enum Mode { None, Some, Full };
explicit SkRasterPipelineReuseBench(Mode mode) : fMode(mode), fName("SkRasterPipelineReuse") {
switch(mode) {
case None: fName.append("_none"); break;
case Some: fName.append("_some"); break;
case Full: fName.append("_full"); break;
}
}
const char* onGetName() override { return fName.c_str(); }
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
void onDraw(int loops, SkCanvas*) override {
const int kStages = 20;
const auto stage = SkRasterPipeline::to_srgb; // Any stage will do. We won't call it.
switch(fMode) {
case None:
while (loops --> 0) {
SkRasterPipeline p;
for (int i = 0; i < kStages; i++) {
p.append(stage);
}
}
break;
case Some:
while (loops --> 0) {
SkRasterPipeline p(kStages);
for (int i = 0; i < kStages; i++) {
p.append(stage);
}
}
break;
case Full:
SkRasterPipeline p(kStages);
while (loops --> 0) {
p.rewind();
for (int i = 0; i < kStages; i++) {
p.append(stage);
}
}
break;
}
}
private:
Mode fMode;
SkString fName;
};
DEF_BENCH( return (new SkRasterPipelineReuseBench(SkRasterPipelineReuseBench::None)); )
DEF_BENCH( return (new SkRasterPipelineReuseBench(SkRasterPipelineReuseBench::Some)); )
DEF_BENCH( return (new SkRasterPipelineReuseBench(SkRasterPipelineReuseBench::Full)); )
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