add bench for shader+blitMask
git-svn-id: http://skia.googlecode.com/svn/trunk@2685 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/ShaderMaskBench.cpp b/bench/ShaderMaskBench.cpp
new file mode 100644
index 0000000..62be6c5
--- /dev/null
+++ b/bench/ShaderMaskBench.cpp
@@ -0,0 +1,109 @@
+
+/*
+ * 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 "SkCanvas.h"
+#include "SkColorShader.h"
+#include "SkFontHost.h"
+#include "SkPaint.h"
+#include "SkRandom.h"
+#include "SkSfntUtils.h"
+#include "SkString.h"
+#include "SkTemplates.h"
+
+#define STR "Hamburgefons"
+
+enum FontQuality {
+ kBW,
+ kAA,
+ kLCD
+};
+
+static const char* fontQualityName(const SkPaint& paint) {
+ if (!paint.isAntiAlias()) {
+ return "BW";
+ }
+ if (paint.isLCDRenderText()) {
+ return "LCD";
+ }
+ return "AA";
+}
+
+class ShaderMaskBench : public SkBenchmark {
+ SkPaint fPaint;
+ SkString fText;
+ SkString fName;
+ FontQuality fFQ;
+ enum { N = SkBENCHLOOP(500) };
+public:
+ ShaderMaskBench(void* param, bool isOpaque, FontQuality fq) : INHERITED(param) {
+ fFQ = fq;
+ fText.set(STR);
+
+ fPaint.setAntiAlias(kBW != fq);
+ fPaint.setLCDRenderText(kLCD == fq);
+ fPaint.setAlpha(isOpaque ? 0xFF : 0x80);
+ fPaint.setShader(new SkColorShader)->unref();
+ }
+
+protected:
+ virtual const char* onGetName() {
+ fName.printf("shadermask", SkScalarToFloat(fPaint.getTextSize()));
+ fName.appendf("_%s", fontQualityName(fPaint));
+ fName.appendf("_%02X", fPaint.getAlpha());
+ return fName.c_str();
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ const SkIPoint dim = this->getSize();
+ SkRandom rand;
+
+ SkPaint paint(fPaint);
+ this->setupPaint(&paint);
+ // explicitly need these
+ paint.setAlpha(fPaint.getAlpha());
+ paint.setAntiAlias(kBW != fFQ);
+ paint.setLCDRenderText(kLCD == fFQ);
+
+ const SkScalar x0 = SkIntToScalar(-10);
+ const SkScalar y0 = SkIntToScalar(-10);
+
+ paint.setTextSize(SkIntToScalar(12));
+ for (int i = 0; i < N; i++) {
+ SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
+ SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
+ canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
+ }
+
+ paint.setTextSize(SkIntToScalar(48));
+ for (int i = 0; i < N/4; i++) {
+ SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
+ SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
+ canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
+ }
+ }
+
+private:
+ typedef SkBenchmark INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+static SkBenchmark* Fact00(void* p) { return new ShaderMaskBench(p, true, kBW); }
+static SkBenchmark* Fact01(void* p) { return new ShaderMaskBench(p, false, kBW); }
+static SkBenchmark* Fact10(void* p) { return new ShaderMaskBench(p, true, kAA); }
+static SkBenchmark* Fact11(void* p) { return new ShaderMaskBench(p, false, kAA); }
+static SkBenchmark* Fact20(void* p) { return new ShaderMaskBench(p, true, kLCD); }
+static SkBenchmark* Fact21(void* p) { return new ShaderMaskBench(p, false, kLCD); }
+
+static BenchRegistry gReg00(Fact00);
+static BenchRegistry gReg01(Fact01);
+static BenchRegistry gReg10(Fact10);
+static BenchRegistry gReg11(Fact11);
+static BenchRegistry gReg20(Fact20);
+static BenchRegistry gReg21(Fact21);
+