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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.
*/
#ifndef SkBenchmark_DEFINED
#define SkBenchmark_DEFINED
#include "SkRefCnt.h"
#include "SkPoint.h"
#include "SkTDict.h"
#include "SkTRegistry.h"
#define DEF_BENCH(code) \
static SkBenchmark* SK_MACRO_APPEND_LINE(F_)(void* p) { code; } \
static BenchRegistry SK_MACRO_APPEND_LINE(R_)(SK_MACRO_APPEND_LINE(F_));
/*
* With the above macros, you can register benches as follows (at the bottom
* of your .cpp)
*
* DEF_BENCH(new MyBenchmark(p, ...))
* DEF_BENCH(new MyBenchmark(p, ...))
* DEF_BENCH(new MyBenchmark(p, ...))
*/
#ifdef SK_DEBUG
#define SkBENCHLOOP(n) 1
#else
#define SkBENCHLOOP(n) n
#endif
class SkCanvas;
class SkPaint;
class SkTriState {
public:
enum State {
kDefault,
kTrue,
kFalse
};
};
class SkBenchmark : public SkRefCnt {
public:
SK_DECLARE_INST_COUNT(SkBenchmark)
SkBenchmark(void* defineDict);
const char* getName();
SkIPoint getSize();
// Call before draw, allows the benchmark to do setup work outside of the
// timer. When a benchmark is repeatedly drawn, this should be called once
// before the initial draw.
void preDraw();
void draw(SkCanvas*);
// Call after draw, allows the benchmark to do cleanup work outside of the
// timer. When a benchmark is repeatedly drawn, this is only called once
// after the last draw.
void postDraw();
void setForceAlpha(int alpha) {
fForceAlpha = alpha;
}
void setForceAA(bool aa) {
fForceAA = aa;
}
void setForceFilter(bool filter) {
fForceFilter = filter;
}
void setDither(SkTriState::State state) {
fDither = state;
}
void setStrokeWidth(SkScalar width) {
strokeWidth = width;
fHasStrokeWidth = true;
}
SkScalar getStrokeWidth() {
return strokeWidth;
}
bool hasStrokeWidth() {
return fHasStrokeWidth;
}
/** If true; the benchmark does rendering; if false, the benchmark
doesn't, and so need not be re-run in every different rendering
mode. */
bool isRendering() {
return fIsRendering;
}
const char* findDefine(const char* key) const;
bool findDefine32(const char* key, int32_t* value) const;
bool findDefineScalar(const char* key, SkScalar* value) const;
protected:
virtual void setupPaint(SkPaint* paint);
virtual const char* onGetName() = 0;
virtual void onPreDraw() {}
virtual void onDraw(SkCanvas*) = 0;
virtual void onPostDraw() {}
virtual SkIPoint onGetSize();
/// Defaults to true.
bool fIsRendering;
private:
const SkTDict<const char*>* fDict;
int fForceAlpha;
bool fForceAA;
bool fForceFilter;
SkTriState::State fDither;
bool fHasStrokeWidth;
SkScalar strokeWidth;
typedef SkRefCnt INHERITED;
};
typedef SkTRegistry<SkBenchmark*, void*> BenchRegistry;
#endif
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