diff options
Diffstat (limited to 'bench')
-rw-r--r-- | bench/DecodeBench.cpp | 10 | ||||
-rw-r--r-- | bench/GradientBench.cpp | 151 |
2 files changed, 157 insertions, 4 deletions
diff --git a/bench/DecodeBench.cpp b/bench/DecodeBench.cpp index 6abd054..ac11089 100644 --- a/bench/DecodeBench.cpp +++ b/bench/DecodeBench.cpp @@ -33,10 +33,12 @@ protected: } virtual void onDraw(SkCanvas* canvas) { - for (int i = 0; i < N; i++) { - SkBitmap bm; - SkImageDecoder::DecodeFile(fFilename, &bm, fPrefConfig, - SkImageDecoder::kDecodePixels_Mode); + if (fFilename) { + for (int i = 0; i < N; i++) { + SkBitmap bm; + SkImageDecoder::DecodeFile(fFilename, &bm, fPrefConfig, + SkImageDecoder::kDecodePixels_Mode); + } } } diff --git a/bench/GradientBench.cpp b/bench/GradientBench.cpp new file mode 100644 index 0000000..5ecca6b --- /dev/null +++ b/bench/GradientBench.cpp @@ -0,0 +1,151 @@ +#include "SkBenchmark.h" +#include "SkBitmap.h" +#include "SkCanvas.h" +#include "SkColorPriv.h" +#include "SkGradientShader.h" +#include "SkPaint.h" +#include "SkShader.h" +#include "SkString.h" +#include "SkUnitMapper.h" + +struct GradData { + int fCount; + const SkColor* fColors; + const SkScalar* fPos; +}; + +static const SkColor gColors[] = { + SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK +}; +static const SkScalar gPos0[] = { 0, SK_Scalar1 }; +static const SkScalar gPos1[] = { SK_Scalar1/4, SK_Scalar1*3/4 }; +static const SkScalar gPos2[] = { + 0, SK_Scalar1/8, SK_Scalar1/2, SK_Scalar1*7/8, SK_Scalar1 +}; + +static const GradData gGradData[] = { + { 2, gColors, NULL }, + { 2, gColors, gPos0 }, + { 2, gColors, gPos1 }, + { 5, gColors, NULL }, + { 5, gColors, gPos2 } +}; + +static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, + SkShader::TileMode tm, SkUnitMapper* mapper) { + return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, + data.fCount, tm, mapper); +} + +static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, + SkShader::TileMode tm, SkUnitMapper* mapper) { + SkPoint center; + center.set(SkScalarAve(pts[0].fX, pts[1].fX), + SkScalarAve(pts[0].fY, pts[1].fY)); + return SkGradientShader::CreateRadial(center, center.fX, data.fColors, + data.fPos, data.fCount, tm, mapper); +} + +static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, + SkShader::TileMode tm, SkUnitMapper* mapper) { + SkPoint center; + center.set(SkScalarAve(pts[0].fX, pts[1].fX), + SkScalarAve(pts[0].fY, pts[1].fY)); + return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, + data.fPos, data.fCount, mapper); +} + +static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data, + SkShader::TileMode tm, SkUnitMapper* mapper) { + SkPoint center0, center1; + center0.set(SkScalarAve(pts[0].fX, pts[1].fX), + SkScalarAve(pts[0].fY, pts[1].fY)); + center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), + SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); + return SkGradientShader::CreateTwoPointRadial( + center1, (pts[1].fX - pts[0].fX) / 7, + center0, (pts[1].fX - pts[0].fX) / 2, + data.fColors, data.fPos, data.fCount, tm, mapper); +} + +typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, + SkShader::TileMode tm, SkUnitMapper* mapper); + +static const struct { + GradMaker fMaker; + const char* fName; + int fRepeat; +} gGrads[] = { + { MakeLinear, "linear", 15 }, + { MakeRadial, "radial1", 10 }, + { MakeSweep, "sweep", 1 }, + { Make2Radial, "radial2", 5 }, +}; + +enum GradType { // these must match the order in gGrads + kLinear_GradType, + kRadial_GradType, + kSweep_GradType, + kRadial2_GradType +}; + +/////////////////////////////////////////////////////////////////////////////// + +class GradientBench : public SkBenchmark { + SkString fName; + SkShader* fShader; + int fCount; + enum { + W = 400, + H = 400, + N = 1 + }; +public: + GradientBench(void* param, GradType gt) : INHERITED(param) { + fName.printf("gradient_%s", gGrads[gt].fName); + + const SkPoint pts[2] = { + { 0, 0 }, + { SkIntToScalar(W), SkIntToScalar(H) } + }; + + fCount = N * gGrads[gt].fRepeat; + fShader = gGrads[gt].fMaker(pts, gGradData[0], + SkShader::kClamp_TileMode, NULL); + } + + virtual ~GradientBench() { + fShader->unref(); + } + +protected: + virtual const char* onGetName() { + return fName.c_str(); + } + + virtual void onDraw(SkCanvas* canvas) { + SkPaint paint; + this->setupPaint(&paint); + + paint.setShader(fShader); + + SkRect r = { 0, 0, SkIntToScalar(W), SkIntToScalar(H) }; + for (int i = 0; i < fCount; i++) { + canvas->drawRect(r, paint); + } + } + +private: + typedef SkBenchmark INHERITED; +}; + +static SkBenchmark* Fact0(void* p) { return new GradientBench(p, kLinear_GradType); } +static SkBenchmark* Fact1(void* p) { return new GradientBench(p, kRadial_GradType); } +static SkBenchmark* Fact2(void* p) { return new GradientBench(p, kSweep_GradType); } +static SkBenchmark* Fact3(void* p) { return new GradientBench(p, kRadial2_GradType); } + +static BenchRegistry gReg0(Fact0); +static BenchRegistry gReg1(Fact1); +static BenchRegistry gReg2(Fact2); +static BenchRegistry gReg3(Fact3); + |