Remove VisualBench and its Android implementation.

tools/VisualBench/TimingStateMachine.cpp

-/*
- * 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;
-}