/* * Copyright 2011 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SkBenchmark.h" #include "SkAAClip.h" #include "SkPath.h" #include "SkRegion.h" #include "SkString.h" #include "SkCanvas.h" #include "SkRandom.h" //////////////////////////////////////////////////////////////////////////////// // This bench tests out AA/BW clipping via canvas' clipPath and clipRect calls class AAClipBench : public SkBenchmark { SkString fName; SkPath fClipPath; SkRect fClipRect; SkRect fDrawRect; bool fDoPath; bool fDoAA; enum { N = SkBENCHLOOP(200), }; public: AAClipBench(void* param, bool doPath, bool doAA) : INHERITED(param) , fDoPath(doPath) , fDoAA(doAA) { fName.printf("aaclip_%s_%s", doPath ? "path" : "rect", doAA ? "AA" : "BW"); fClipRect.set(SkFloatToScalar(10.5), SkFloatToScalar(10.5), SkFloatToScalar(50.5), SkFloatToScalar(50.5)); fClipPath.addRoundRect(fClipRect, SkIntToScalar(10), SkIntToScalar(10)); fDrawRect.set(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(100), SkIntToScalar(100)); SkASSERT(fClipPath.isConvex()); } protected: virtual const char* onGetName() { return fName.c_str(); } virtual void onDraw(SkCanvas* canvas) { SkPaint paint; this->setupPaint(&paint); for (int i = 0; i < N; ++i) { // jostle the clip regions each time to prevent caching fClipRect.offset((i % 2) == 0 ? SkIntToScalar(10) : SkIntToScalar(-10), 0); fClipPath.reset(); fClipPath.addRoundRect(fClipRect, SkIntToScalar(5), SkIntToScalar(5)); SkASSERT(fClipPath.isConvex()); canvas->save(); #if 1 if (fDoPath) { canvas->clipPath(fClipPath, SkRegion::kReplace_Op, fDoAA); } else { canvas->clipRect(fClipRect, SkRegion::kReplace_Op, fDoAA); } canvas->drawRect(fDrawRect, paint); #else // this path tests out directly draw the clip primitive // use it to comparing just drawing the clip vs. drawing using // the clip if (fDoPath) { canvas->drawPath(fClipPath, paint); } else { canvas->drawRect(fClipRect, paint); } #endif canvas->restore(); } } private: typedef SkBenchmark INHERITED; }; //////////////////////////////////////////////////////////////////////////////// // This bench tests out nested clip stacks. It is intended to simulate // how WebKit nests clips. class NestedAAClipBench : public SkBenchmark { SkString fName; bool fDoAA; SkRect fDrawRect; SkRandom fRandom; static const int kNumDraws = SkBENCHLOOP(2); static const int kNestingDepth = 3; static const int kImageSize = 400; SkPoint fSizes[kNestingDepth+1]; public: NestedAAClipBench(void* param, bool doAA) : INHERITED(param) , fDoAA(doAA) { fName.printf("nested_aaclip_%s", doAA ? "AA" : "BW"); fDrawRect = SkRect::MakeLTRB(0, 0, SkIntToScalar(kImageSize), SkIntToScalar(kImageSize)); fSizes[0].set(SkIntToScalar(kImageSize), SkIntToScalar(kImageSize)); for (int i = 1; i < kNestingDepth+1; ++i) { fSizes[i].set(fSizes[i-1].fX/2, fSizes[i-1].fY/2); } } protected: virtual const char* onGetName() { return fName.c_str(); } void recurse(SkCanvas* canvas, int depth, const SkPoint& offset) { canvas->save(); SkRect temp = SkRect::MakeLTRB(0, 0, fSizes[depth].fX, fSizes[depth].fY); temp.offset(offset); SkPath path; path.addRoundRect(temp, SkIntToScalar(3), SkIntToScalar(3)); SkASSERT(path.isConvex()); canvas->clipPath(path, 0 == depth ? SkRegion::kReplace_Op : SkRegion::kIntersect_Op, fDoAA); if (kNestingDepth == depth) { // we only draw the draw rect at the lowest nesting level SkPaint paint; paint.setColor(0xff000000 | fRandom.nextU()); canvas->drawRect(fDrawRect, paint); } else { SkPoint childOffset = offset; this->recurse(canvas, depth+1, childOffset); childOffset += fSizes[depth+1]; this->recurse(canvas, depth+1, childOffset); childOffset.fX = offset.fX + fSizes[depth+1].fX; childOffset.fY = offset.fY; this->recurse(canvas, depth+1, childOffset); childOffset.fX = offset.fX; childOffset.fY = offset.fY + fSizes[depth+1].fY; this->recurse(canvas, depth+1, childOffset); } canvas->restore(); } virtual void onDraw(SkCanvas* canvas) { for (int i = 0; i < kNumDraws; ++i) { SkPoint offset = SkPoint::Make(0, 0); this->recurse(canvas, 0, offset); } } private: typedef SkBenchmark INHERITED; }; //////////////////////////////////////////////////////////////////////////////// class AAClipBuilderBench : public SkBenchmark { SkString fName; SkPath fPath; SkRect fRect; SkRegion fRegion; bool fDoPath; bool fDoAA; enum { N = SkBENCHLOOP(200), }; public: AAClipBuilderBench(void* param, bool doPath, bool doAA) : INHERITED(param) { fDoPath = doPath; fDoAA = doAA; fName.printf("aaclip_build_%s_%s", doPath ? "path" : "rect", doAA ? "AA" : "BW"); fRegion.setRect(0, 0, 640, 480); fRect.set(fRegion.getBounds()); fRect.inset(SK_Scalar1/4, SK_Scalar1/4); fPath.addRoundRect(fRect, SkIntToScalar(20), SkIntToScalar(20)); } protected: virtual const char* onGetName() { return fName.c_str(); } virtual void onDraw(SkCanvas* canvas) { SkPaint paint; this->setupPaint(&paint); for (int i = 0; i < N; ++i) { SkAAClip clip; if (fDoPath) { clip.setPath(fPath, &fRegion, fDoAA); } else { clip.setRect(fRect, fDoAA); } } } private: typedef SkBenchmark INHERITED; }; //////////////////////////////////////////////////////////////////////////////// class AAClipRegionBench : public SkBenchmark { public: AAClipRegionBench(void* param) : INHERITED(param) { SkPath path; // test conversion of a complex clip to a aaclip path.addCircle(0, 0, SkIntToScalar(200)); path.addCircle(0, 0, SkIntToScalar(180)); // evenodd means we've constructed basically a stroked circle path.setFillType(SkPath::kEvenOdd_FillType); SkIRect bounds; path.getBounds().roundOut(&bounds); fRegion.setPath(path, SkRegion(bounds)); } protected: virtual const char* onGetName() { return "aaclip_setregion"; } virtual void onDraw(SkCanvas* canvas) { for (int i = 0; i < N; ++i) { SkAAClip clip; clip.setRegion(fRegion); } } private: enum { N = SkBENCHLOOP(400), }; SkRegion fRegion; typedef SkBenchmark INHERITED; }; //////////////////////////////////////////////////////////////////////////////// static SkBenchmark* Fact0(void* p) { return SkNEW_ARGS(AAClipBuilderBench, (p, false, false)); } static SkBenchmark* Fact1(void* p) { return SkNEW_ARGS(AAClipBuilderBench, (p, false, true)); } static SkBenchmark* Fact2(void* p) { return SkNEW_ARGS(AAClipBuilderBench, (p, true, false)); } static SkBenchmark* Fact3(void* p) { return SkNEW_ARGS(AAClipBuilderBench, (p, true, true)); } static BenchRegistry gReg0(Fact0); static BenchRegistry gReg1(Fact1); static BenchRegistry gReg2(Fact2); static BenchRegistry gReg3(Fact3); static SkBenchmark* Fact01(void* p) { return SkNEW_ARGS(AAClipRegionBench, (p)); } static BenchRegistry gReg01(Fact01); static SkBenchmark* Fact000(void* p) { return SkNEW_ARGS(AAClipBench, (p, false, false)); } static SkBenchmark* Fact001(void* p) { return SkNEW_ARGS(AAClipBench, (p, false, true)); } static SkBenchmark* Fact002(void* p) { return SkNEW_ARGS(AAClipBench, (p, true, false)); } static SkBenchmark* Fact003(void* p) { return SkNEW_ARGS(AAClipBench, (p, true, true)); } static BenchRegistry gReg000(Fact000); static BenchRegistry gReg001(Fact001); static BenchRegistry gReg002(Fact002); static BenchRegistry gReg003(Fact003); static SkBenchmark* Fact004(void* p) { return SkNEW_ARGS(NestedAAClipBench, (p, false)); } static SkBenchmark* Fact005(void* p) { return SkNEW_ARGS(NestedAAClipBench, (p, true)); } static BenchRegistry gReg004(Fact004); static BenchRegistry gReg005(Fact005);