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add makedash_ variants to measure applying the dash (not drawing it)

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git-svn-id: http://skia.googlecode.com/svn/trunk@4000 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2012-05-18 18:32:54 +00:00
parent 90cb9b325c
commit ea6f6832dd
1 changed files with 83 additions and 5 deletions
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88
bench/DashBench.cpp
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@ -106,7 +106,7 @@ public:
: INHERITED(param, intervals, count, width) {
fName.append("_rect");
}
protected:
virtual void handlePath(SkCanvas* canvas, const SkPath& path,
const SkPaint& paint, int N) SK_OVERRIDE {
@ -119,14 +119,14 @@ protected:
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) {
@ -141,6 +141,80 @@ private:
typedef DashBench INHERITED;
};
static void make_unit_star(SkPath* path, int n) {
SkScalar rad = -SK_ScalarPI / 2;
const SkScalar drad = (n >> 1) * SK_ScalarPI * 2 / n;
path->moveTo(0, -SK_Scalar1);
for (int i = 1; i < n; i++) {
rad += drad;
SkScalar cosV, sinV = SkScalarSinCos(rad, &cosV);
path->lineTo(cosV, sinV);
}
path->close();
}
static void make_poly(SkPath* path) {
make_unit_star(path, 9);
SkMatrix matrix;
matrix.setScale(SkIntToScalar(100), SkIntToScalar(100));
path->transform(matrix);
}
static void make_quad(SkPath* path) {
SkScalar x0 = SkIntToScalar(10);
SkScalar y0 = SkIntToScalar(10);
path->moveTo(x0, y0);
path->quadTo(x0, y0 + 400 * SK_Scalar1,
x0 + 600 * SK_Scalar1, y0 + 400 * SK_Scalar1);
}
static void make_cubic(SkPath* path) {
SkScalar x0 = SkIntToScalar(10);
SkScalar y0 = SkIntToScalar(10);
path->moveTo(x0, y0);
path->cubicTo(x0, y0 + 400 * SK_Scalar1,
x0 + 600 * SK_Scalar1, y0 + 400 * SK_Scalar1,
x0 + 600 * SK_Scalar1, y0);
}
class MakeDashBench : public SkBenchmark {
SkString fName;
SkPath fPath;
SkAutoTUnref<SkPathEffect> fPE;
enum {
N = SkBENCHLOOP(400)
};
public:
MakeDashBench(void* param, void (*proc)(SkPath*), const char name[]) : INHERITED(param) {
fName.printf("makedash_%s", name);
proc(&fPath);
SkScalar vals[] = { SkIntToScalar(4), SkIntToScalar(4) };
fPE.reset(new SkDashPathEffect(vals, 2, 0));
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPath dst;
for (int i = 0; i < N; ++i) {
SkScalar width = 0;
fPE->filterPath(&dst, fPath, &width);
dst.rewind();
}
}
private:
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static const SkScalar gDots[] = { SK_Scalar1, SK_Scalar1 };
@ -151,10 +225,14 @@ 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), 1, true); }
static SkBenchmark* gF3(void* p) { return new DashBench(p, PARAM(gDots), 4); }
static SkBenchmark* gF4(void* p) { return new RectDashBench(p, PARAM(gDots), 4); }
static SkBenchmark* gF4(void* p) { return new MakeDashBench(p, make_poly, "poly"); }
static SkBenchmark* gF5(void* p) { return new MakeDashBench(p, make_quad, "quad"); }
static SkBenchmark* gF6(void* p) { return new MakeDashBench(p, make_cubic, "cubic"); }
static BenchRegistry gR0(gF0);
static BenchRegistry gR1(gF1);
static BenchRegistry gR2(gF2);
static BenchRegistry gR3(gF3);
static BenchRegistry gR4(gF4);
static BenchRegistry gR5(gF5);
static BenchRegistry gR6(gF6);