Index: tools/VisualBench/TimingStateMachine.cpp |
diff --git a/tools/VisualBench/TimingStateMachine.cpp b/tools/VisualBench/TimingStateMachine.cpp |
deleted file mode 100644 |
index 00e0b618e740d10c2cf94d768de90e57d9c8a059..0000000000000000000000000000000000000000 |
--- a/tools/VisualBench/TimingStateMachine.cpp |
+++ /dev/null |
@@ -1,87 +0,0 @@ |
-/* |
- * Copyright 2015 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
- |
-#include "TimingStateMachine.h" |
- |
-#include "SkCanvas.h" |
-#include "SkCommandLineFlags.h" |
- |
-DEFINE_int32(gpuFrameLag, 5, "Overestimate of maximum number of frames GPU is allowed to lag."); |
-DEFINE_int32(frames, 5, "Number of frames of each skp to render per sample."); |
-DEFINE_double(loopMs, 5, "Each benchmark will be tuned until it takes loopsMs millseconds."); |
- |
-static double now_ms() { return SkTime::GetNSecs() * 1e-6; } |
- |
-TimingStateMachine::TimingStateMachine() |
- : fCurrentFrame(0) |
- , fLoops(1) |
- , fLastMeasurement(0.) |
- , fState(kPreWarm_State) |
- , fInnerState(kTuning_InnerState) { |
-} |
- |
-TimingStateMachine::ParentEvents TimingStateMachine::nextFrame(bool preWarmBetweenSamples) { |
- ParentEvents parentEvent = kTiming_ParentEvents; |
- switch (fState) { |
- case kPreWarm_State: { |
- if (fCurrentFrame >= FLAGS_gpuFrameLag) { |
- fCurrentFrame = 0; |
- fStartTime = now_ms(); |
- fState = kTiming_State; |
- } else { |
- fCurrentFrame++; |
- } |
- break; |
- } |
- case kTiming_State: { |
- switch (fInnerState) { |
- case kTuning_InnerState: { |
- if (1 << 30 == fLoops) { |
- // We're about to wrap. Something's wrong with the bench. |
- SkDebugf("InnerLoops wrapped\n"); |
- fLoops = 1; |
- } else { |
- double elapsedMs = now_ms() - fStartTime; |
- if (elapsedMs < FLAGS_loopMs) { |
- fLoops *= 2; |
- } else { |
- fInnerState = kTiming_InnerState; |
- } |
- fState = kPreWarm_State; |
- fCurrentFrame = 0; |
- parentEvent = kReset_ParentEvents; |
- } |
- break; |
- } |
- case kTiming_InnerState: { |
- if (fCurrentFrame >= FLAGS_frames) { |
- double now = now_ms(); |
- fLastMeasurement = (now - fStartTime) / (FLAGS_frames * fLoops); |
- fCurrentFrame = 0; |
- parentEvent = kTimingFinished_ParentEvents; |
- if (preWarmBetweenSamples) { |
- fState = kPreWarm_State; |
- } else { |
- fStartTime = now; |
- } |
- } else { |
- fCurrentFrame++; |
- } |
- break; |
- } |
- } |
- } |
- break; |
- } |
- return parentEvent; |
-} |
- |
-void TimingStateMachine::nextBenchmark() { |
- fLoops = 1; |
- fInnerState = kTuning_InnerState; |
- fState = kPreWarm_State; |
-} |