fae8fceb4a
Add guard to transition clients Change-Id: Ia7a3e8f95722f91e84af262168dadf89a78707da Reviewed-on: https://skia-review.googlesource.com/c/skia/+/205720 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com> Auto-Submit: Mike Reed <reed@google.com>
115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
/*
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* Copyright 2016 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 "SkCanvas.h"
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#include "SkShader.h"
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#include "SkGradientShader.h"
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#include "SkString.h"
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#include "SkColor.h"
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#include "SkPaint.h"
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class HardStopGradientBench_ScaleNumHardStops : public Benchmark {
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public:
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HardStopGradientBench_ScaleNumHardStops(int colorCount, int hardStopCount) {
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SkASSERT(hardStopCount <= colorCount/2);
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fName.printf("hardstop_scale_num_hard_stops_%03d_colors_%03d_hard_stops",
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colorCount, hardStopCount);
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fColorCount = colorCount;
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fHardStopCount = hardStopCount;
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}
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const char* onGetName() override {
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return fName.c_str();
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}
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SkIPoint onGetSize() override {
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return SkIPoint::Make(kSize, kSize);
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}
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void onPreDraw(SkCanvas* canvas) override {
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// Left to right
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SkPoint points[2] = {
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SkPoint::Make(0, kSize/2),
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SkPoint::Make(kSize-1, kSize/2),
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};
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constexpr int kNumColorChoices = 4;
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SkColor color_choices[kNumColorChoices] = {
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SK_ColorRED,
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SK_ColorGREEN,
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SK_ColorBLUE,
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SK_ColorYELLOW,
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};
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// Alternate between different choices
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SkAutoTArray<SkColor> colors(fColorCount);
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for (int i = 0; i < fColorCount; i++) {
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colors[i] = color_choices[i % kNumColorChoices];
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}
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// Create requisite number of hard stops, and evenly
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// space positions after that
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SkAutoTArray<SkScalar> positions(fColorCount);
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int k = 0;
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for (int i = 0; i < fHardStopCount; i++) {
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float val = k/2.0f;
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positions[k++] = val / fColorCount;
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positions[k++] = val / fColorCount;
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}
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for (int i = k; i < fColorCount; i++) {
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positions[i] = i / (fColorCount - 1.0f);
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}
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fPaint.setShader(SkGradientShader::MakeLinear(points,
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colors.get(),
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positions.get(),
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fColorCount,
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SkTileMode::kClamp,
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0,
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nullptr));
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}
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/*
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* Draw simple linear gradient from left to right
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*/
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void onDraw(int loops, SkCanvas* canvas) override {
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for (int i = 0; i < loops; i++) {
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canvas->drawPaint(fPaint);
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}
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}
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private:
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static const int kSize = 500;
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SkString fName;
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int fColorCount;
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int fHardStopCount;
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SkPaint fPaint;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(10, 1);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(10, 2);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(10, 5);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(20, 1);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(20, 5);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(20, 10);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(50, 1);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(50, 10);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(50, 25);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(100, 1);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(100, 25);)
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DEF_BENCH(return new HardStopGradientBench_ScaleNumHardStops(100, 50);)
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