| Index: cc/CCFrameRateController.cpp
|
| diff --git a/cc/CCFrameRateController.cpp b/cc/CCFrameRateController.cpp
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| deleted file mode 100644
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| index 4418027e487bf6b6135a7d6d040e3dc5ebba8139..0000000000000000000000000000000000000000
|
| --- a/cc/CCFrameRateController.cpp
|
| +++ /dev/null
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| @@ -1,159 +0,0 @@
|
| -// Copyright 2011 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "config.h"
|
| -
|
| -#include "CCFrameRateController.h"
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| -
|
| -#include "CCDelayBasedTimeSource.h"
|
| -#include "CCTimeSource.h"
|
| -#include "TraceEvent.h"
|
| -#include <wtf/CurrentTime.h>
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| -
|
| -namespace {
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| -
|
| -// This will be the maximum number of pending frames unless
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| -// CCFrameRateController::setMaxFramesPending is called.
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| -const int defaultMaxFramesPending = 2;
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| -
|
| -}
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| -
|
| -namespace cc {
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| -
|
| -class CCFrameRateControllerTimeSourceAdapter : public CCTimeSourceClient {
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| -public:
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| - static PassOwnPtr<CCFrameRateControllerTimeSourceAdapter> create(CCFrameRateController* frameRateController)
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| - {
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| - return adoptPtr(new CCFrameRateControllerTimeSourceAdapter(frameRateController));
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| - }
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| - virtual ~CCFrameRateControllerTimeSourceAdapter() { }
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| -
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| - virtual void onTimerTick() OVERRIDE { m_frameRateController->onTimerTick(); }
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| -private:
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| - explicit CCFrameRateControllerTimeSourceAdapter(CCFrameRateController* frameRateController)
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| - : m_frameRateController(frameRateController) { }
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| -
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| - CCFrameRateController* m_frameRateController;
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| -};
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| -
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| -CCFrameRateController::CCFrameRateController(PassRefPtr<CCTimeSource> timer)
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| - : m_client(0)
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| - , m_numFramesPending(0)
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| - , m_maxFramesPending(defaultMaxFramesPending)
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| - , m_timeSource(timer)
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| - , m_active(false)
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| - , m_swapBuffersCompleteSupported(true)
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| - , m_isTimeSourceThrottling(true)
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| -{
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| - m_timeSourceClientAdapter = CCFrameRateControllerTimeSourceAdapter::create(this);
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| - m_timeSource->setClient(m_timeSourceClientAdapter.get());
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| -}
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| -
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| -CCFrameRateController::CCFrameRateController(CCThread* thread)
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| - : m_client(0)
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| - , m_numFramesPending(0)
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| - , m_maxFramesPending(defaultMaxFramesPending)
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| - , m_active(false)
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| - , m_swapBuffersCompleteSupported(true)
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| - , m_isTimeSourceThrottling(false)
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| -{
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| - m_manualTicker = adoptPtr(new CCTimer(thread, this));
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| -}
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| -
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| -CCFrameRateController::~CCFrameRateController()
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| -{
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| - if (m_isTimeSourceThrottling)
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| - m_timeSource->setActive(false);
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| -}
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| -
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| -void CCFrameRateController::setActive(bool active)
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| -{
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| - if (m_active == active)
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| - return;
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| - TRACE_EVENT1("cc", "CCFrameRateController::setActive", "active", active);
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| - m_active = active;
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| -
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| - if (m_isTimeSourceThrottling)
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| - m_timeSource->setActive(active);
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| - else {
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| - if (active)
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| - postManualTick();
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| - else
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| - m_manualTicker->stop();
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| - }
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| -}
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| -
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| -void CCFrameRateController::setMaxFramesPending(int maxFramesPending)
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| -{
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| - ASSERT(maxFramesPending > 0);
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| - m_maxFramesPending = maxFramesPending;
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| -}
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| -
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| -void CCFrameRateController::setTimebaseAndInterval(base::TimeTicks timebase, base::TimeDelta interval)
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| -{
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| - if (m_isTimeSourceThrottling)
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| - m_timeSource->setTimebaseAndInterval(timebase, interval);
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| -}
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| -
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| -void CCFrameRateController::setSwapBuffersCompleteSupported(bool supported)
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| -{
|
| - m_swapBuffersCompleteSupported = supported;
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| -}
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| -
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| -void CCFrameRateController::onTimerTick()
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| -{
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| - ASSERT(m_active);
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| -
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| - // Check if we have too many frames in flight.
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| - bool throttled = m_numFramesPending >= m_maxFramesPending;
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| -
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| - if (m_client)
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| - m_client->vsyncTick(throttled);
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| -
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| - if (m_swapBuffersCompleteSupported && !m_isTimeSourceThrottling && m_numFramesPending < m_maxFramesPending)
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| - postManualTick();
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| -}
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| -
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| -void CCFrameRateController::postManualTick()
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| -{
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| - if (m_active)
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| - m_manualTicker->startOneShot(0);
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| -}
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| -
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| -void CCFrameRateController::onTimerFired()
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| -{
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| - onTimerTick();
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| -}
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| -
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| -void CCFrameRateController::didBeginFrame()
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| -{
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| - if (m_swapBuffersCompleteSupported)
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| - m_numFramesPending++;
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| - else if (!m_isTimeSourceThrottling)
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| - postManualTick();
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| -}
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| -
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| -void CCFrameRateController::didFinishFrame()
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| -{
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| - ASSERT(m_swapBuffersCompleteSupported);
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| -
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| - m_numFramesPending--;
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| - if (!m_isTimeSourceThrottling)
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| - postManualTick();
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| -}
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| -
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| -void CCFrameRateController::didAbortAllPendingFrames()
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| -{
|
| - m_numFramesPending = 0;
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| -}
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| -
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| -base::TimeTicks CCFrameRateController::nextTickTime()
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| -{
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| - if (m_isTimeSourceThrottling)
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| - return m_timeSource->nextTickTime();
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| -
|
| - return base::TimeTicks();
|
| -}
|
| -
|
| -}
|
|
|