| /* |
| * Copyright 2014 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/SkRRect.h" |
| #include "include/core/SkRect.h" |
| #include "include/utils/SkRandom.h" |
| #include "src/core/SkGeometry.h" |
| #include "src/core/SkPathPriv.h" |
| |
| class GeometryBench : public Benchmark { |
| public: |
| GeometryBench(const char suffix[]) : fVolatileInt(0) { |
| fName.printf("geo_%s", suffix); |
| } |
| |
| const char* onGetName() override { |
| return fName.c_str(); |
| } |
| |
| bool isSuitableFor(Backend backend) override { |
| return kNonRendering_Backend == backend; |
| } |
| |
| protected: |
| volatile int fVolatileInt; |
| |
| /** |
| * Subclasses can call this to try to defeat the optimizer (with some result of their |
| * inner loop), since it will fool the compiler into assuming that "n" is actually |
| * needed somewhere, and since this method is not const, the member fields cannot |
| * be assumed to be const before and after the call. |
| */ |
| virtual void virtualCallToFoilOptimizers(int n) { fVolatileInt += n; } |
| |
| private: |
| SkString fName; |
| }; |
| |
| class GeoRectBench : public GeometryBench { |
| public: |
| GeoRectBench(const char suffix[]) : GeometryBench(suffix) {} |
| |
| protected: |
| SkRect fRects[2048]; |
| |
| void onDelayedSetup() override { |
| const SkScalar min = -100; |
| const SkScalar max = 100; |
| SkRandom rand; |
| for (size_t i = 0; i < std::size(fRects); ++i) { |
| SkScalar x = rand.nextRangeScalar(min, max); |
| SkScalar y = rand.nextRangeScalar(min, max); |
| SkScalar w = rand.nextRangeScalar(min, max); |
| SkScalar h = rand.nextRangeScalar(min, max); |
| fRects[i].setXYWH(x, y, w, h); |
| } |
| } |
| }; |
| |
| class GeoRectBench_intersect : public GeoRectBench { |
| public: |
| GeoRectBench_intersect() : GeoRectBench("rect_intersect") {} |
| |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| for (int outer = 0; outer < loops; ++outer) { |
| int count = 0; |
| for (size_t i = 0; i < std::size(fRects); ++i) { |
| SkRect r = fRects[0]; |
| count += r.intersect(fRects[i]); |
| } |
| this->virtualCallToFoilOptimizers(count); |
| } |
| } |
| }; |
| |
| class GeoRectBench_intersect_rect : public GeoRectBench { |
| public: |
| GeoRectBench_intersect_rect() : GeoRectBench("rect_intersect_rect") {} |
| |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| for (int outer = 0; outer < loops; ++outer) { |
| int count = 0; |
| SkRect r; |
| for (size_t i = 0; i < std::size(fRects); ++i) { |
| count += r.intersect(fRects[0], fRects[i]); |
| } |
| this->virtualCallToFoilOptimizers(count); |
| } |
| } |
| }; |
| |
| class GeoRectBench_Intersects : public GeoRectBench { |
| public: |
| GeoRectBench_Intersects() : GeoRectBench("rect_Intersects") {} |
| |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| for (int outer = 0; outer < loops; ++outer) { |
| int count = 0; |
| for (size_t i = 0; i < std::size(fRects); ++i) { |
| count += SkRect::Intersects(fRects[0], fRects[i]); |
| } |
| this->virtualCallToFoilOptimizers(count); |
| } |
| } |
| }; |
| |
| class GeoRectBench_sort : public GeoRectBench { |
| public: |
| GeoRectBench_sort() : GeoRectBench("rect_sort") {} |
| |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| for (int outer = 0; outer < loops; ++outer) { |
| for (size_t i = 0; i < std::size(fRects); ++i) { |
| fRects[i].sort(); |
| } |
| } |
| } |
| }; |
| |
| DEF_BENCH( return new GeoRectBench_intersect; ) |
| DEF_BENCH( return new GeoRectBench_intersect_rect; ) |
| DEF_BENCH( return new GeoRectBench_Intersects; ) |
| |
| DEF_BENCH( return new GeoRectBench_sort; ) |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| class QuadBenchBase : public GeometryBench { |
| protected: |
| SkPoint fPts[4]; |
| public: |
| QuadBenchBase(const char name[]) : GeometryBench(name) { |
| SkRandom rand; |
| for (int i = 0; i < 4; ++i) { |
| fPts[i].set(rand.nextUScalar1(), rand.nextUScalar1()); |
| } |
| } |
| }; |
| |
| class EvalQuadAt0 : public QuadBenchBase { |
| public: |
| EvalQuadAt0() : QuadBenchBase("evalquadat0") {} |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPoint result; |
| for (int outer = 0; outer < loops; ++outer) { |
| SkEvalQuadAt(fPts, 0.5f, &result); |
| SkEvalQuadAt(fPts, 0.5f, &result); |
| SkEvalQuadAt(fPts, 0.5f, &result); |
| SkEvalQuadAt(fPts, 0.5f, &result); |
| } |
| } |
| }; |
| DEF_BENCH( return new EvalQuadAt0; ) |
| |
| class EvalQuadAt1 : public QuadBenchBase { |
| public: |
| EvalQuadAt1() : QuadBenchBase("evalquadat1") {} |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPoint result; |
| for (int outer = 0; outer < loops; ++outer) { |
| result = SkEvalQuadAt(fPts, 0.5f); |
| result = SkEvalQuadAt(fPts, 0.5f); |
| result = SkEvalQuadAt(fPts, 0.5f); |
| result = SkEvalQuadAt(fPts, 0.5f); |
| } |
| } |
| }; |
| DEF_BENCH( return new EvalQuadAt1; ) |
| |
| //////// |
| |
| class EvalQuadTangentAt0 : public QuadBenchBase { |
| public: |
| EvalQuadTangentAt0() : QuadBenchBase("evalquadtangentat0") {} |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPoint result; |
| for (int outer = 0; outer < loops; ++outer) { |
| SkEvalQuadAt(fPts, 0.5f, nullptr, &result); |
| SkEvalQuadAt(fPts, 0.5f, nullptr, &result); |
| SkEvalQuadAt(fPts, 0.5f, nullptr, &result); |
| SkEvalQuadAt(fPts, 0.5f, nullptr, &result); |
| } |
| } |
| }; |
| DEF_BENCH( return new EvalQuadTangentAt0; ) |
| |
| class EvalQuadTangentAt1 : public QuadBenchBase { |
| public: |
| EvalQuadTangentAt1() : QuadBenchBase("evalquadtangentat1") {} |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPoint result; |
| for (int outer = 0; outer < loops; ++outer) { |
| result = SkEvalQuadTangentAt(fPts, 0.5f); |
| result = SkEvalQuadTangentAt(fPts, 0.5f); |
| result = SkEvalQuadTangentAt(fPts, 0.5f); |
| result = SkEvalQuadTangentAt(fPts, 0.5f); |
| } |
| } |
| }; |
| DEF_BENCH( return new EvalQuadTangentAt1; ) |
| |
| //////// |
| |
| class ChopQuadAt : public QuadBenchBase { |
| public: |
| ChopQuadAt() : QuadBenchBase("chopquadat") {} |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPoint dst[5]; |
| for (int outer = 0; outer < loops; ++outer) { |
| SkChopQuadAt(fPts, dst, 0.5f); |
| SkChopQuadAt(fPts, dst, 0.5f); |
| SkChopQuadAt(fPts, dst, 0.5f); |
| SkChopQuadAt(fPts, dst, 0.5f); |
| } |
| } |
| }; |
| DEF_BENCH( return new ChopQuadAt; ) |
| |
| class ChopCubicAt : public QuadBenchBase { |
| public: |
| ChopCubicAt() : QuadBenchBase("chopcubicat0") {} |
| protected: |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPoint dst[7]; |
| for (int outer = 0; outer < loops; ++outer) { |
| SkChopCubicAt(fPts, dst, 0.5f); |
| SkChopCubicAt(fPts, dst, 0.5f); |
| SkChopCubicAt(fPts, dst, 0.5f); |
| SkChopCubicAt(fPts, dst, 0.5f); |
| } |
| } |
| }; |
| DEF_BENCH( return new ChopCubicAt; ) |
| |
| #include "include/core/SkPath.h" |
| |
| class ConvexityBench : public Benchmark { |
| SkPath fPath; |
| |
| public: |
| ConvexityBench(const char suffix[]) { |
| fName.printf("convexity_%s", suffix); |
| } |
| |
| const char* onGetName() override { |
| return fName.c_str(); |
| } |
| |
| bool isSuitableFor(Backend backend) override { |
| return kNonRendering_Backend == backend; |
| } |
| |
| virtual void preparePath(SkPath*) = 0; |
| |
| protected: |
| void onPreDraw(SkCanvas*) override { |
| this->preparePath(&fPath); |
| } |
| |
| void onDraw(int loops, SkCanvas* canvas) override { |
| for (int i = 0; i < loops; ++i) { |
| SkPathPriv::ForceComputeConvexity(fPath); |
| } |
| } |
| |
| private: |
| SkString fName; |
| }; |
| |
| class RRectConvexityBench : public ConvexityBench { |
| public: |
| RRectConvexityBench() : ConvexityBench("rrect") {} |
| |
| void preparePath(SkPath* path) override { |
| SkRRect rr; |
| rr.setRectXY({0, 0, 100, 100}, 20, 30); |
| path->addRRect(rr); |
| } |
| }; |
| DEF_BENCH( return new RRectConvexityBench; ) |
| |