From 8d551011966a1bc14a654dbde704f343c0e222b6 Mon Sep 17 00:00:00 2001 From: "mike@reedtribe.org" Date: Sun, 14 Apr 2013 02:40:50 +0000 Subject: add special-case for chopping at exactly half for rational-quads (2-3x faster) git-svn-id: http://skia.googlecode.com/svn/trunk@8672 2bbb7eff-a529-9590-31e7-b0007b416f81 --- bench/PathBench.cpp | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) (limited to 'bench/PathBench.cpp') diff --git a/bench/PathBench.cpp b/bench/PathBench.cpp index 658ee96f63..016bf4e0c5 100644 --- a/bench/PathBench.cpp +++ b/bench/PathBench.cpp @@ -864,6 +864,68 @@ private: typedef SkBenchmark INHERITED; }; +/////////////////////////////////////////////////////////////////////////////// + +#include "SkGeometry.h" + +class RationalQuadBench_Chop5 : public SkBenchmark { + enum { + N = 100000 + }; + SkRationalQuad fRQ; +public: + RationalQuadBench_Chop5(void* param) : INHERITED(param) { + fRQ.fPts[0].set(0, 0); + fRQ.fPts[1].set(100, 0); + fRQ.fPts[2].set(100, 100); + fRQ.fW = SkScalarCos(SK_ScalarPI/4); + } + +private: + virtual const char* onGetName() SK_OVERRIDE { + return "ratquad-chop-0.5"; + } + + virtual void onDraw(SkCanvas*) SK_OVERRIDE { + SkRationalQuad dst[2]; + for (int i = 0; i < N; ++i) { + fRQ.chopAt(0.5f, dst); + } + } + + typedef SkBenchmark INHERITED; +}; + +class RationalQuadBench_ChopHalf : public SkBenchmark { + enum { + N = 100000 + }; + SkRationalQuad fRQ; +public: + RationalQuadBench_ChopHalf(void* param) : INHERITED(param) { + fRQ.fPts[0].set(0, 0); + fRQ.fPts[1].set(100, 0); + fRQ.fPts[2].set(100, 100); + fRQ.fW = SkScalarCos(SK_ScalarPI/4); + } + +private: + virtual const char* onGetName() SK_OVERRIDE { + return "ratquad-chop-half"; + } + + virtual void onDraw(SkCanvas*) SK_OVERRIDE { + SkRationalQuad dst[2]; + for (int i = 0; i < N; ++i) { + fRQ.chop(dst); + } + } + + typedef SkBenchmark INHERITED; +}; + +/////////////////////////////////////////////////////////////////////////////// + const SkRect ConservativelyContainsBench::kBounds = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100)); const SkSize ConservativelyContainsBench::kQueryMin = SkSize::Make(SkIntToScalar(1), SkIntToScalar(1)); const SkSize ConservativelyContainsBench::kQueryMax = SkSize::Make(SkIntToScalar(40), SkIntToScalar(40)); @@ -918,3 +980,6 @@ DEF_BENCH( return new ArbRoundRectBench(p, true); ) DEF_BENCH( return new ConservativelyContainsBench(p, ConservativelyContainsBench::kRect_Type); ) DEF_BENCH( return new ConservativelyContainsBench(p, ConservativelyContainsBench::kRoundRect_Type); ) DEF_BENCH( return new ConservativelyContainsBench(p, ConservativelyContainsBench::kOval_Type); ) + +DEF_BENCH( return new RationalQuadBench_Chop5(p) ) +DEF_BENCH( return new RationalQuadBench_ChopHalf(p) ) -- cgit v1.2.3