d4998178ae
Change-Id: I6c4c4b43dfa6b59832c63f8fcf43192b4973d88b Reviewed-on: https://skia-review.googlesource.com/140565 Commit-Queue: Mike Klein <mtklein@google.com> Auto-Submit: Hal Canary <halcanary@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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* Copyright 2017 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 "SkDrawShadowInfo.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkShadowUtils.h"
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class ShadowBench : public Benchmark {
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// Draws a set of shadowed rrects filling the canvas, in various modes:
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// * opaque or transparent
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// * use analytic fast path or geometric tessellation
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public:
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ShadowBench(bool transparent, bool forceGeometric)
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: fTransparent(transparent)
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, fForceGeometric(forceGeometric) {
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computeName("shadows");
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}
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bool isVisual() override { return true; }
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protected:
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enum {
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kWidth = 640,
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kHeight = 480,
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kRRSize = 50,
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kRRRadius = 6,
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kRRSpace = 8,
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kRRStep = kRRSize + kRRSpace,
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kElevation = 16,
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kNumRRects = ((kWidth - kRRSpace) / kRRStep)*((kHeight - kRRSpace) / kRRStep)
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};
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void computeName(const char root[]) {
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static const char kTransChars[2] = {
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'o', 't'
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};
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static const char kGeomChars[2] = {
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'a', 'g'
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};
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fBaseName.printf("%s_%c_%c", root, kTransChars[fTransparent], kGeomChars[fForceGeometric]);
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}
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void genRRects() {
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int i = 0;
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for (int x = kRRSpace; x < kWidth - kRRStep; x += kRRStep) {
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for (int y = kRRSpace; y < kHeight - kRRStep; y += kRRStep) {
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SkRect rect = SkRect::MakeXYWH(x, y, kRRSize, kRRSize);
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fRRects[i].addRRect(SkRRect::MakeRectXY(rect, kRRRadius, kRRRadius));
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++i;
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}
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}
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SkASSERT(i == kNumRRects);
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}
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const char* onGetName() override { return fBaseName.c_str(); }
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void onDelayedSetup() override {
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fRec.fZPlaneParams = SkPoint3::Make(0, 0, kElevation);
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fRec.fLightPos = SkPoint3::Make(270, 0, 600);
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fRec.fLightRadius = 800;
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fRec.fAmbientColor = 0x19000000;
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fRec.fSpotColor = 0x40000000;
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fRec.fFlags = 0;
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if (fTransparent) {
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fRec.fFlags |= SkShadowFlags::kTransparentOccluder_ShadowFlag;
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}
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if (fForceGeometric) {
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fRec.fFlags |= SkShadowFlags::kGeometricOnly_ShadowFlag;
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}
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this->genRRects();
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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SkPaint paint;
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paint.setColor(SK_ColorWHITE);
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this->setupPaint(&paint);
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for (int i = 0; i < loops; ++i) {
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// use the private canvas call so we don't include the time to stuff data in the Rec
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canvas->private_draw_shadow_rec(fRRects[i % kNumRRects], fRec);
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}
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}
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private:
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SkString fBaseName;
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SkPath fRRects[kNumRRects];
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SkDrawShadowRec fRec;
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int fTransparent;
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int fForceGeometric;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH(return new ShadowBench(false, false);)
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DEF_BENCH(return new ShadowBench(false, true);)
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DEF_BENCH(return new ShadowBench(true, false);)
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DEF_BENCH(return new ShadowBench(true, true);)
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