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| 1 /* | |
| 2 * Copyright 2015 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "VisualStreamTimingModule.h" | |
| 9 | |
| 10 #include "SkCanvas.h" | |
| 11 | |
| 12 DEFINE_bool(reset, true, "Reset the GL context between samples."); | |
| 13 | |
| 14 VisualStreamTimingModule::VisualStreamTimingModule(VisualBench* owner) | |
| 15 : fInitState(kReset_InitState) | |
| 16 , fOwner(owner) { | |
| 17 fBenchmarkStream.reset(new VisualBenchmarkStream(owner->getSurfaceProps())); | |
| 18 } | |
| 19 | |
| 20 inline void VisualStreamTimingModule::handleInitState(SkCanvas* canvas) { | |
| 21 switch (fInitState) { | |
| 22 case kNewBenchmark_InitState: | |
| 23 fBenchmarkStream->current()->delayedSetup(); | |
| 24 // fallthrough | |
| 25 case kReset_InitState: | |
| 26 // This will flicker unfortunately, but as we are reseting the GLTes
tContext each bench, | |
| 27 // we unfortunately don't have a choice | |
| 28 fOwner->clear(canvas, SK_ColorWHITE, 3); | |
| 29 fBenchmarkStream->current()->preTimingHooks(canvas); | |
| 30 break; | |
| 31 case kNone_InitState: | |
| 32 break; | |
| 33 } | |
| 34 fInitState = kNone_InitState; | |
| 35 } | |
| 36 | |
| 37 inline void VisualStreamTimingModule::handleTimingEvent(SkCanvas* canvas, | |
| 38 TimingStateMachine::Pare
ntEvents event) { | |
| 39 switch (event) { | |
| 40 case TimingStateMachine::kTiming_ParentEvents: | |
| 41 break; | |
| 42 case TimingStateMachine::kTimingFinished_ParentEvents: | |
| 43 if (this->timingFinished(fBenchmarkStream->current(), fTSM.loops(), | |
| 44 fTSM.lastMeasurement())) { | |
| 45 fBenchmarkStream->current()->postTimingHooks(canvas); | |
| 46 fOwner->reset(); | |
| 47 fTSM.nextBenchmark(); | |
| 48 if (!fBenchmarkStream->next()) { | |
| 49 SkDebugf("Exiting VisualBench successfully\n"); | |
| 50 fOwner->closeWindow(); | |
| 51 } else { | |
| 52 fInitState = kNewBenchmark_InitState; | |
| 53 } | |
| 54 break; | |
| 55 } | |
| 56 // fallthrough | |
| 57 case TimingStateMachine::kReset_ParentEvents: | |
| 58 if (FLAGS_reset) { | |
| 59 fBenchmarkStream->current()->postTimingHooks(canvas); | |
| 60 fOwner->reset(); | |
| 61 fInitState = kReset_InitState; | |
| 62 } | |
| 63 break; | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 void VisualStreamTimingModule::draw(SkCanvas* canvas) { | |
| 68 if (!fBenchmarkStream->current()) { | |
| 69 // this should never happen but just to be safe | |
| 70 // TODO research why this does happen on mac | |
| 71 return; | |
| 72 } | |
| 73 | |
| 74 this->handleInitState(canvas); | |
| 75 this->renderFrame(canvas, fBenchmarkStream->current(), fTSM.loops()); | |
| 76 fOwner->present(); | |
| 77 TimingStateMachine::ParentEvents event = fTSM.nextFrame(FLAGS_reset); | |
| 78 this->handleTimingEvent(canvas, event); | |
| 79 } | |
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