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/*
* 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 "SkRandom.h"
#include "SkRegion.h"
#include "SkString.h"
static bool union_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b, SkRegion::kUnion_Op);
}
static bool sect_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b, SkRegion::kIntersect_Op);
}
static bool diff_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b, SkRegion::kDifference_Op);
}
static bool diffrect_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, b.getBounds(), SkRegion::kDifference_Op);
}
static bool diffrectbig_proc(SkRegion& a, SkRegion& b) {
SkRegion result;
return result.op(a, a.getBounds(), SkRegion::kDifference_Op);
}
static bool containsrect_proc(SkRegion& a, SkRegion& b) {
SkIRect r = a.getBounds();
r.inset(r.width()/4, r.height()/4);
(void)a.contains(r);
r = b.getBounds();
r.inset(r.width()/4, r.height()/4);
return b.contains(r);
}
static bool sectsrgn_proc(SkRegion& a, SkRegion& b) {
return a.intersects(b);
}
static bool sectsrect_proc(SkRegion& a, SkRegion& b) {
SkIRect r = a.getBounds();
r.inset(r.width()/4, r.height()/4);
return a.intersects(r);
}
static bool containsxy_proc(SkRegion& a, SkRegion& b) {
const SkIRect& r = a.getBounds();
const int dx = r.width() / 8;
const int dy = r.height() / 8;
for (int y = r.fTop; y < r.fBottom; y += dy) {
for (int x = r.fLeft; x < r.fRight; x += dx) {
(void)a.contains(x, y);
}
}
return true;
}
class RegionBench : public SkBenchmark {
public:
typedef bool (*Proc)(SkRegion& a, SkRegion& b);
SkRegion fA, fB;
Proc fProc;
SkString fName;
int fLoopMul;
enum {
W = 1024,
H = 768,
N = SkBENCHLOOP(2000)
};
SkIRect randrect(SkRandom& rand) {
int x = rand.nextU() % W;
int y = rand.nextU() % H;
int w = rand.nextU() % W;
int h = rand.nextU() % H;
return SkIRect::MakeXYWH(x, y, w >> 1, h >> 1);
}
RegionBench(void* param, int count, Proc proc, const char name[], int mul = 1) : INHERITED(param) {
fProc = proc;
fName.printf("region_%s_%d", name, count);
fLoopMul = mul;
SkRandom rand;
for (int i = 0; i < count; i++) {
fA.op(randrect(rand), SkRegion::kXOR_Op);
fB.op(randrect(rand), SkRegion::kXOR_Op);
}
}
protected:
virtual const char* onGetName() { return fName.c_str(); }
virtual void onDraw(SkCanvas* canvas) {
Proc proc = fProc;
int n = fLoopMul * N;
for (int i = 0; i < n; ++i) {
proc(fA, fB);
}
}
private:
typedef SkBenchmark INHERITED;
};
#define SMALL 16
static SkBenchmark* gF0(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, union_proc, "union")); }
static SkBenchmark* gF1(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, sect_proc, "intersect")); }
static SkBenchmark* gF2(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, diff_proc, "difference")); }
static SkBenchmark* gF3(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, diffrect_proc, "differencerect")); }
static SkBenchmark* gF4(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, diffrectbig_proc, "differencerectbig")); }
static SkBenchmark* gF5(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, containsrect_proc, "containsrect", 100)); }
static SkBenchmark* gF6(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, sectsrgn_proc, "intersectsrgn", 10)); }
static SkBenchmark* gF7(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, sectsrect_proc, "intersectsrect", 200)); }
static SkBenchmark* gF8(void* p) { return SkNEW_ARGS(RegionBench, (p, SMALL, containsxy_proc, "containsxy")); }
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);
static BenchRegistry gR7(gF7);
static BenchRegistry gR8(gF8);
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