266e2024ec
Adds a --reset flag that controls whether we teardown the graphics context between samples. Also modifies the timing algorithm to always/ only pre-warm after resetting the context. BUG=skia: Review URL: https://codereview.chromium.org/1442643007
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef VisualStreamTimingModule_DEFINED
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#define VisualStreamTimingModule_DEFINED
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#include "VisualModule.h"
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#include "TimingStateMachine.h"
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#include "VisualBench.h"
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#include "VisualBenchmarkStream.h"
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class SkCanvas;
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/*
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* VisualStreamTimingModule is the base class for modules which want to time a stream of Benchmarks.
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*
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* Subclasses should implement renderFrame, which is called for each frame, and timingFinished,
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* which is called when a sample has finished timing.
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*/
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class VisualStreamTimingModule : public VisualModule {
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public:
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VisualStreamTimingModule(VisualBench* owner);
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void draw(SkCanvas* canvas) override;
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private:
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virtual void renderFrame(SkCanvas*, Benchmark*, int loops)=0;
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// subclasses should return true to advance the stream
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virtual bool timingFinished(Benchmark*, int loops, double measurement)=0;
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inline void handleInitState(SkCanvas*);
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inline void handleTimingEvent(SkCanvas*, TimingStateMachine::ParentEvents);
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TimingStateMachine fTSM;
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SkAutoTDelete<VisualBenchmarkStream> fBenchmarkStream;
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enum InitState {
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kNone_InitState,
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kReset_InitState,
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kNewBenchmark_InitState,
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};
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InitState fInitState;
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// support framework
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VisualBench* fOwner;
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typedef VisualModule INHERITED;
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};
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#endif
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