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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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