123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111 |
- /*
- * 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 Benchmark_DEFINED
- #define Benchmark_DEFINED
- #include "include/core/SkPoint.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkString.h"
- #include "tools/Registry.h"
- #define DEF_BENCH3(code, N) \
- static BenchRegistry gBench##N([](void*) -> Benchmark* { code; });
- #define DEF_BENCH2(code, N) DEF_BENCH3(code, N)
- #define DEF_BENCH(code) DEF_BENCH2(code, __COUNTER__)
- /*
- * With the above macros, you can register benches as follows (at the bottom
- * of your .cpp)
- *
- * DEF_BENCH(return new MyBenchmark(...))
- * DEF_BENCH(return new MyBenchmark(...))
- * DEF_BENCH(return new MyBenchmark(...))
- */
- struct GrContextOptions;
- class SkCanvas;
- class SkPaint;
- class Benchmark : public SkRefCnt {
- public:
- Benchmark();
- const char* getName();
- const char* getUniqueName();
- SkIPoint getSize();
- enum Backend {
- kNonRendering_Backend,
- kRaster_Backend,
- kGPU_Backend,
- kPDF_Backend,
- kHWUI_Backend,
- };
- // Call to determine whether the benchmark is intended for
- // the rendering mode.
- virtual bool isSuitableFor(Backend backend) {
- return backend != kNonRendering_Backend;
- }
- // Allows a benchmark to override options used to construct the GrContext.
- virtual void modifyGrContextOptions(GrContextOptions*) {}
- virtual int calculateLoops(int defaultLoops) const {
- return defaultLoops;
- }
- // 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 delayedSetup();
- // Called once before and after a series of draw calls to a single canvas.
- // The setup/break down in these calls is not timed.
- void perCanvasPreDraw(SkCanvas*);
- void perCanvasPostDraw(SkCanvas*);
- // Called just before and after each call to draw(). Not timed.
- void preDraw(SkCanvas*);
- void postDraw(SkCanvas*);
- // Bench framework can tune loops to be large enough for stable timing.
- void draw(int loops, SkCanvas*);
- virtual void getGpuStats(SkCanvas*, SkTArray<SkString>* keys, SkTArray<double>* values) {}
- // Count of units (pixels, whatever) being exercised, to scale timing by.
- int getUnits() const { return fUnits; }
- protected:
- void setUnits(int units) { SkASSERT(units > 0); fUnits = units; }
- virtual void setupPaint(SkPaint* paint);
- virtual const char* onGetName() = 0;
- virtual const char* onGetUniqueName() { return this->onGetName(); }
- virtual void onDelayedSetup() {}
- virtual void onPerCanvasPreDraw(SkCanvas*) {}
- virtual void onPerCanvasPostDraw(SkCanvas*) {}
- virtual void onPreDraw(SkCanvas*) {}
- virtual void onPostDraw(SkCanvas*) {}
- // Each bench should do its main work in a loop like this:
- // for (int i = 0; i < loops; i++) { <work here> }
- virtual void onDraw(int loops, SkCanvas*) = 0;
- virtual SkIPoint onGetSize();
- private:
- int fUnits = 1;
- typedef SkRefCnt INHERITED;
- };
- typedef sk_tools::Registry<Benchmark*(*)(void*)> BenchRegistry;
- #endif
|