add experimental variant of dashing, where we explicitly draw rects
git-svn-id: http://skia.googlecode.com/svn/trunk@3897 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/DashBench.cpp b/bench/DashBench.cpp
index f1ff544..a335c46 100644
--- a/bench/DashBench.cpp
+++ b/bench/DashBench.cpp
@@ -15,6 +15,7 @@
#include "SkString.h"
#include "SkTDArray.h"
+
/*
* Cases to consider:
*
@@ -29,6 +30,7 @@
}
class DashBench : public SkBenchmark {
+protected:
SkString fName;
SkTDArray<SkScalar> fIntervals;
int fWidth;
@@ -67,6 +69,11 @@
paint.setPathEffect(new SkDashPathEffect(fIntervals.begin(),
fIntervals.count(), 0))->unref();
+ this->handlePath(canvas, path, paint, N);
+ }
+
+ virtual void handlePath(SkCanvas* canvas, const SkPath& path,
+ const SkPaint& paint, int N) {
for (int i = 0; i < N; ++i) {
canvas->drawPath(path, paint);
}
@@ -76,6 +83,47 @@
typedef SkBenchmark INHERITED;
};
+class RectDashBench : public DashBench {
+public:
+ RectDashBench(void* param, const SkScalar intervals[], int count, int width)
+ : INHERITED(param, intervals, count, width) {
+ fName.append("_rect");
+ }
+
+protected:
+ virtual void handlePath(SkCanvas* canvas, const SkPath& path,
+ const SkPaint& paint, int N) SK_OVERRIDE {
+ SkPoint pts[2];
+ if (!path.isLine(pts) || pts[0].fY != pts[1].fY) {
+ this->INHERITED::handlePath(canvas, path, paint, N);
+ } else {
+ SkRect rect;
+ rect.fLeft = pts[0].fX;
+ rect.fTop = pts[0].fY - paint.getStrokeWidth() / 2;
+ rect.fRight = rect.fLeft + SkIntToScalar(fWidth);
+ rect.fBottom = rect.fTop + paint.getStrokeWidth();
+
+ SkPaint p(paint);
+ p.setStyle(SkPaint::kFill_Style);
+ p.setPathEffect(NULL);
+
+ int count = SkScalarRoundToInt((pts[1].fX - pts[0].fX) / (2*fWidth));
+ SkScalar dx = SkIntToScalar(2 * fWidth);
+
+ for (int i = 0; i < N*10; ++i) {
+ SkRect r = rect;
+ for (int j = 0; j < count; ++j) {
+ canvas->drawRect(r, p);
+ r.offset(dx, 0);
+ }
+ }
+ }
+ }
+
+private:
+ typedef DashBench INHERITED;
+};
+
///////////////////////////////////////////////////////////////////////////////
static const SkScalar gDots[] = { SK_Scalar1, SK_Scalar1 };
@@ -85,7 +133,9 @@
static SkBenchmark* gF0(void* p) { return new DashBench(p, PARAM(gDots), 0); }
static SkBenchmark* gF1(void* p) { return new DashBench(p, PARAM(gDots), 1); }
static SkBenchmark* gF2(void* p) { return new DashBench(p, PARAM(gDots), 4); }
+static SkBenchmark* gF3(void* p) { return new RectDashBench(p, PARAM(gDots), 4); }
static BenchRegistry gR0(gF0);
static BenchRegistry gR1(gF1);
static BenchRegistry gR2(gF2);
+static BenchRegistry gR3(gF3);