[cc] Rename all cc/ filenames to Chromium style

cc/CCSingleThreadProxy.cpp

-// 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 "CCSingleThreadProxy.h"
-
-#include "CCDrawQuad.h"
-#include "CCGraphicsContext.h"
-#include "CCLayerTreeHost.h"
-#include "CCTextureUpdateController.h"
-#include "CCTimer.h"
-#include "TraceEvent.h"
-#include <wtf/CurrentTime.h>
-
-using namespace WTF;
-
-namespace cc {
-
-scoped_ptr<CCProxy> CCSingleThreadProxy::create(CCLayerTreeHost* layerTreeHost)
-{
-    return make_scoped_ptr(new CCSingleThreadProxy(layerTreeHost)).PassAs<CCProxy>();
-}
-
-CCSingleThreadProxy::CCSingleThreadProxy(CCLayerTreeHost* layerTreeHost)
-    : m_layerTreeHost(layerTreeHost)
-    , m_contextLost(false)
-    , m_rendererInitialized(false)
-    , m_nextFrameIsNewlyCommittedFrame(false)
-    , m_totalCommitCount(0)
-{
-    TRACE_EVENT0("cc", "CCSingleThreadProxy::CCSingleThreadProxy");
-    ASSERT(CCProxy::isMainThread());
-}
-
-void CCSingleThreadProxy::start()
-{
-    DebugScopedSetImplThread impl;
-    m_layerTreeHostImpl = m_layerTreeHost->createLayerTreeHostImpl(this);
-}
-
-CCSingleThreadProxy::~CCSingleThreadProxy()
-{
-    TRACE_EVENT0("cc", "CCSingleThreadProxy::~CCSingleThreadProxy");
-    ASSERT(CCProxy::isMainThread());
-    ASSERT(!m_layerTreeHostImpl.get() && !m_layerTreeHost); // make sure stop() got called.
-}
-
-bool CCSingleThreadProxy::compositeAndReadback(void *pixels, const IntRect& rect)
-{
-    TRACE_EVENT0("cc", "CCSingleThreadProxy::compositeAndReadback");
-    ASSERT(CCProxy::isMainThread());
-
-    if (!commitAndComposite())
-        return false;
-
-    m_layerTreeHostImpl->readback(pixels, rect);
-
-    if (m_layerTreeHostImpl->isContextLost())
-        return false;
-
-    m_layerTreeHostImpl->swapBuffers();
-    didSwapFrame();
-
-    return true;
-}
-
-void CCSingleThreadProxy::startPageScaleAnimation(const IntSize& targetPosition, bool useAnchor, float scale, double duration)
-{
-    m_layerTreeHostImpl->startPageScaleAnimation(targetPosition, useAnchor, scale, monotonicallyIncreasingTime(), duration);
-}
-
-void CCSingleThreadProxy::finishAllRendering()
-{
-    ASSERT(CCProxy::isMainThread());
-    {
-        DebugScopedSetImplThread impl;
-        m_layerTreeHostImpl->finishAllRendering();
-    }
-}
-
-bool CCSingleThreadProxy::isStarted() const
-{
-    ASSERT(CCProxy::isMainThread());
-    return m_layerTreeHostImpl.get();
-}
-
-bool CCSingleThreadProxy::initializeContext()
-{
-    ASSERT(CCProxy::isMainThread());
-    scoped_ptr<CCGraphicsContext> context = m_layerTreeHost->createContext();
-    if (!context.get())
-        return false;
-    m_contextBeforeInitialization = context.Pass();
-    return true;
-}
-
-void CCSingleThreadProxy::setSurfaceReady()
-{
-    // Scheduling is controlled by the embedder in the single thread case, so nothing to do.
-}
-
-void CCSingleThreadProxy::setVisible(bool visible)
-{
-    DebugScopedSetImplThread impl;
-    m_layerTreeHostImpl->setVisible(visible);
-}
-
-bool CCSingleThreadProxy::initializeRenderer()
-{
-    ASSERT(CCProxy::isMainThread());
-    ASSERT(m_contextBeforeInitialization.get());
-    {
-        DebugScopedSetImplThread impl;
-        bool ok = m_layerTreeHostImpl->initializeRenderer(m_contextBeforeInitialization.Pass());
-        if (ok) {
-            m_rendererInitialized = true;
-            m_RendererCapabilitiesForMainThread = m_layerTreeHostImpl->rendererCapabilities();
-        }
-
-        return ok;
-    }
-}
-
-bool CCSingleThreadProxy::recreateContext()
-{
-    TRACE_EVENT0("cc", "CCSingleThreadProxy::recreateContext");
-    ASSERT(CCProxy::isMainThread());
-    ASSERT(m_contextLost);
-
-    scoped_ptr<CCGraphicsContext> context = m_layerTreeHost->createContext();
-    if (!context.get())
-        return false;
-
-    bool initialized;
-    {
-        DebugScopedSetMainThreadBlocked mainThreadBlocked;
-        DebugScopedSetImplThread impl;
-        if (!m_layerTreeHostImpl->contentsTexturesPurged())
-            m_layerTreeHost->deleteContentsTexturesOnImplThread(m_layerTreeHostImpl->resourceProvider());
-        initialized = m_layerTreeHostImpl->initializeRenderer(context.Pass());
-        if (initialized) {
-            m_RendererCapabilitiesForMainThread = m_layerTreeHostImpl->rendererCapabilities();
-        }
-    }
-
-    if (initialized)
-        m_contextLost = false;
-
-    return initialized;
-}
-
-void CCSingleThreadProxy::renderingStats(CCRenderingStats* stats)
-{
-    stats->totalCommitTimeInSeconds = m_totalCommitTime.InSecondsF();
-    stats->totalCommitCount = m_totalCommitCount;
-    m_layerTreeHostImpl->renderingStats(stats);
-}
-
-const RendererCapabilities& CCSingleThreadProxy::rendererCapabilities() const
-{
-    ASSERT(m_rendererInitialized);
-    // Note: this gets called during the commit by the "impl" thread
-    return m_RendererCapabilitiesForMainThread;
-}
-
-void CCSingleThreadProxy::loseContext()
-{
-    ASSERT(CCProxy::isMainThread());
-    m_layerTreeHost->didLoseContext();
-    m_contextLost = true;
-}
-
-void CCSingleThreadProxy::setNeedsAnimate()
-{
-    // CCThread-only feature
-    ASSERT_NOT_REACHED();
-}
-
-void CCSingleThreadProxy::doCommit(PassOwnPtr<CCTextureUpdateQueue> queue)
-{
-    ASSERT(CCProxy::isMainThread());
-    // Commit immediately
-    {
-        DebugScopedSetMainThreadBlocked mainThreadBlocked;
-        DebugScopedSetImplThread impl;
-
-        base::TimeTicks startTime = base::TimeTicks::HighResNow();
-        m_layerTreeHostImpl->beginCommit();
-
-        m_layerTreeHost->beginCommitOnImplThread(m_layerTreeHostImpl.get());
-
-        OwnPtr<CCTextureUpdateController> updateController =
-            CCTextureUpdateController::create(
-                NULL,
-                CCProxy::mainThread(),
-                queue,
-                m_layerTreeHostImpl->resourceProvider(),
-                m_layerTreeHostImpl->resourceProvider()->textureUploader());
-        updateController->finalize();
-
-        m_layerTreeHost->finishCommitOnImplThread(m_layerTreeHostImpl.get());
-
-        m_layerTreeHostImpl->commitComplete();
-
-#if !ASSERT_DISABLED
-        // In the single-threaded case, the scroll deltas should never be
-        // touched on the impl layer tree.
-        scoped_ptr<CCScrollAndScaleSet> scrollInfo = m_layerTreeHostImpl->processScrollDeltas();
-        ASSERT(!scrollInfo->scrolls.size());
-#endif
-
-        base::TimeTicks endTime = base::TimeTicks::HighResNow();
-        m_totalCommitTime += endTime - startTime;
-        m_totalCommitCount++;
-    }
-    m_layerTreeHost->commitComplete();
-    m_nextFrameIsNewlyCommittedFrame = true;
-}
-
-void CCSingleThreadProxy::setNeedsCommit()
-{
-    ASSERT(CCProxy::isMainThread());
-    m_layerTreeHost->scheduleComposite();
-}
-
-void CCSingleThreadProxy::setNeedsRedraw()
-{
-    // FIXME: Once we move render_widget scheduling into this class, we can
-    // treat redraw requests more efficiently than commitAndRedraw requests.
-    m_layerTreeHostImpl->setFullRootLayerDamage();
-    setNeedsCommit();
-}
-
-bool CCSingleThreadProxy::commitRequested() const
-{
-    return false;
-}
-
-void CCSingleThreadProxy::didAddAnimation()
-{
-}
-
-size_t CCSingleThreadProxy::maxPartialTextureUpdates() const
-{
-    return std::numeric_limits<size_t>::max();
-}
-
-void CCSingleThreadProxy::stop()
-{
-    TRACE_EVENT0("cc", "CCSingleThreadProxy::stop");
-    ASSERT(CCProxy::isMainThread());
-    {
-        DebugScopedSetMainThreadBlocked mainThreadBlocked;
-        DebugScopedSetImplThread impl;
-
-        if (!m_layerTreeHostImpl->contentsTexturesPurged())
-            m_layerTreeHost->deleteContentsTexturesOnImplThread(m_layerTreeHostImpl->resourceProvider());
-        m_layerTreeHostImpl.reset();
-    }
-    m_layerTreeHost = 0;
-}
-
-void CCSingleThreadProxy::setNeedsRedrawOnImplThread()
-{
-    m_layerTreeHost->scheduleComposite();
-}
-
-void CCSingleThreadProxy::setNeedsCommitOnImplThread()
-{
-    m_layerTreeHost->scheduleComposite();
-}
-
-void CCSingleThreadProxy::postAnimationEventsToMainThreadOnImplThread(scoped_ptr<CCAnimationEventsVector> events, double wallClockTime)
-{
-    ASSERT(CCProxy::isImplThread());
-    DebugScopedSetMainThread main;
-    m_layerTreeHost->setAnimationEvents(events.Pass(), wallClockTime);
-}
-
-void CCSingleThreadProxy::releaseContentsTexturesOnImplThread()
-{
-    ASSERT(isImplThread());
-    m_layerTreeHost->reduceContentsTexturesMemoryOnImplThread(0, m_layerTreeHostImpl->resourceProvider());
-}
-
-// Called by the legacy scheduling path (e.g. where render_widget does the scheduling)
-void CCSingleThreadProxy::compositeImmediately()
-{
-    if (commitAndComposite()) {
-        m_layerTreeHostImpl->swapBuffers();
-        didSwapFrame();
-    }
-}
-
-void CCSingleThreadProxy::forceSerializeOnSwapBuffers()
-{
-    {
-        DebugScopedSetImplThread impl;
-        if (m_rendererInitialized)
-            m_layerTreeHostImpl->renderer()->doNoOp();
-    }
-}
-
-void CCSingleThreadProxy::onSwapBuffersCompleteOnImplThread()
-{
-    ASSERT_NOT_REACHED();
-}
-
-bool CCSingleThreadProxy::commitAndComposite()
-{
-    ASSERT(CCProxy::isMainThread());
-
-    if (!m_layerTreeHost->initializeRendererIfNeeded())
-        return false;
-
-    // Unlink any texture backings that were deleted
-    CCPrioritizedTextureManager::BackingVector evictedContentsTexturesBackings;
-    {
-        DebugScopedSetImplThread implThread;
-        m_layerTreeHost->getEvictedContentTexturesBackings(evictedContentsTexturesBackings);
-    }
-    m_layerTreeHost->unlinkEvictedContentTexturesBackings(evictedContentsTexturesBackings);
-    {
-        DebugScopedSetImplThreadAndMainThreadBlocked implAndMainBlocked;
-        m_layerTreeHost->deleteEvictedContentTexturesBackings();
-    }
-
-    OwnPtr<CCTextureUpdateQueue> queue = adoptPtr(new CCTextureUpdateQueue);
-    m_layerTreeHost->updateLayers(*(queue.get()), m_layerTreeHostImpl->memoryAllocationLimitBytes());
-
-    if (m_layerTreeHostImpl->contentsTexturesPurged())
-        m_layerTreeHostImpl->resetContentsTexturesPurged();
-
-    m_layerTreeHost->willCommit();
-    doCommit(queue.release());
-    bool result = doComposite();
-    m_layerTreeHost->didBeginFrame();
-    return result;
-}
-
-bool CCSingleThreadProxy::doComposite()
-{
-    ASSERT(!m_contextLost);
-    {
-        DebugScopedSetImplThread impl;
-
-        if (!m_layerTreeHostImpl->visible())
-            return false;
-
-        double monotonicTime = monotonicallyIncreasingTime();
-        double wallClockTime = currentTime();
-        m_layerTreeHostImpl->animate(monotonicTime, wallClockTime);
-
-        // We guard prepareToDraw() with canDraw() because it always returns a valid frame, so can only
-        // be used when such a frame is possible. Since drawLayers() depends on the result of
-        // prepareToDraw(), it is guarded on canDraw() as well.
-        if (!m_layerTreeHostImpl->canDraw())
-            return false;
-
-        CCLayerTreeHostImpl::FrameData frame;
-        m_layerTreeHostImpl->prepareToDraw(frame);
-        m_layerTreeHostImpl->drawLayers(frame);
-        m_layerTreeHostImpl->didDrawAllLayers(frame);
-    }
-
-    if (m_layerTreeHostImpl->isContextLost()) {
-        m_contextLost = true;
-        m_layerTreeHost->didLoseContext();
-        return false;
-    }
-
-    return true;
-}
-
-void CCSingleThreadProxy::didSwapFrame()
-{
-    if (m_nextFrameIsNewlyCommittedFrame) {
-        m_nextFrameIsNewlyCommittedFrame = false;
-        m_layerTreeHost->didCommitAndDrawFrame();
-    }
-}
-
-}