add bench for building blurs
git-svn-id: http://skia.googlecode.com/svn/trunk@1865 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/BlurBench.cpp b/bench/BlurBench.cpp
new file mode 100644
index 0000000..9d71ca3
--- /dev/null
+++ b/bench/BlurBench.cpp
@@ -0,0 +1,84 @@
+#include "SkBenchmark.h"
+#include "SkCanvas.h"
+#include "SkPaint.h"
+#include "SkRandom.h"
+#include "SkShader.h"
+#include "SkString.h"
+#include "SkBlurMaskFilter.h"
+
+#define SMALL SkIntToScalar(2)
+#define BIG SkIntToScalar(10)
+
+static const char* gStyleName[] = {
+ "normal",
+ "solid",
+ "outer",
+ "inner"
+};
+
+class BlurBench : public SkBenchmark {
+ SkScalar fRadius;
+ SkBlurMaskFilter::BlurStyle fStyle;
+ SkString fName;
+
+public:
+ BlurBench(void* param, SkScalar rad, SkBlurMaskFilter::BlurStyle bs) : INHERITED(param) {
+ fRadius = rad;
+ fStyle = bs;
+ const char* name = rad > 0 ? gStyleName[bs] : "none";
+ fName.printf("blur_%g_%s", rad, name);
+ }
+
+protected:
+ virtual const char* onGetName() {
+ return fName.c_str();
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ SkPaint paint;
+ this->setupPaint(&paint);
+
+ paint.setAntiAlias(true);
+
+ SkRandom rand;
+ for (int i = 0; i < 10; i++) {
+ SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
+ rand.nextUScalar1() * 400);
+ r.offset(fRadius, fRadius);
+
+ if (fRadius > 0) {
+ SkMaskFilter* mf = SkBlurMaskFilter::Create(fRadius, fStyle, 0);
+ paint.setMaskFilter(mf)->unref();
+ }
+ canvas->drawOval(r, paint);
+ }
+ }
+
+private:
+ typedef SkBenchmark INHERITED;
+};
+
+static SkBenchmark* Fact00(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kNormal_BlurStyle); }
+static SkBenchmark* Fact01(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kSolid_BlurStyle); }
+static SkBenchmark* Fact02(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kOuter_BlurStyle); }
+static SkBenchmark* Fact03(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kInner_BlurStyle); }
+
+static SkBenchmark* Fact10(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kNormal_BlurStyle); }
+static SkBenchmark* Fact11(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kSolid_BlurStyle); }
+static SkBenchmark* Fact12(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kOuter_BlurStyle); }
+static SkBenchmark* Fact13(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kInner_BlurStyle); }
+
+static SkBenchmark* FactNone(void* p) { return new BlurBench(p, 0, SkBlurMaskFilter::kNormal_BlurStyle); }
+
+static BenchRegistry gReg00(Fact00);
+static BenchRegistry gReg01(Fact01);
+static BenchRegistry gReg02(Fact02);
+static BenchRegistry gReg03(Fact03);
+
+static BenchRegistry gReg10(Fact10);
+static BenchRegistry gReg11(Fact11);
+static BenchRegistry gReg12(Fact12);
+static BenchRegistry gReg13(Fact13);
+
+static BenchRegistry gRegNone(FactNone);
+