void
CompositorParent::ShadowLayersUpdated(LayerTransactionParent* aLayerTree,
const uint64_t& aTransactionId,
const TargetConfig& aTargetConfig,
bool aIsFirstPaint,
bool aScheduleComposite,
uint32_t aPaintSequenceNumber)
{
ScheduleRotationOnCompositorThread(aTargetConfig, aIsFirstPaint);
// Instruct the LayerManager to update its render bounds now. Since all the orientation
// change, dimension change would be done at the stage, update the size here is free of
// race condition.
mLayerManager->UpdateRenderBounds(aTargetConfig.clientBounds());
mLayerManager->SetRegionToClear(aTargetConfig.clearRegion());
mCompositionManager->Updated(aIsFirstPaint, aTargetConfig);
Layer* root = aLayerTree->GetRoot();
mLayerManager->SetRoot(root);
if (mApzcTreeManager) {
AutoResolveRefLayers resolve(mCompositionManager);
mApzcTreeManager->UpdatePanZoomControllerTree(this, root, aIsFirstPaint,
mRootLayerTreeID, aPaintSequenceNumber);
}
MOZ_ASSERT(aTransactionId > mPendingTransaction);
mPendingTransaction = aTransactionId;
if (root) {
SetShadowProperties(root);
}
if (aScheduleComposite) {
ScheduleComposition();
if (mPaused) {
DidComposite();
}
// When testing we synchronously update the shadow tree with the animated
// values to avoid race conditions when calling GetAnimationTransform etc.
// (since the above SetShadowProperties will remove animation effects).
// However, we only do this update when a composite operation is already
// scheduled in order to better match the behavior under regular sampling
// conditions.
if (mIsTesting && root && mCurrentCompositeTask) {
AutoResolveRefLayers resolve(mCompositionManager);
bool requestNextFrame =
mCompositionManager->TransformShadowTree(mTestTime);
if (!requestNextFrame) {
CancelCurrentCompositeTask();
// Pretend we composited in case someone is wating for this event.
DidComposite();
}
}
}
mLayerManager->NotifyShadowTreeTransaction();
}
void
CompositorParent::PauseComposition()
{
MOZ_ASSERT(IsInCompositorThread(),
"PauseComposition() can only be called on the compositor thread");
MonitorAutoLock lock(mPauseCompositionMonitor);
if (!mPaused) {
mPaused = true;
mCompositor->Pause();
DidComposite();
}
// if anyone's waiting to make sure that composition really got paused, tell them
lock.NotifyAll();
}
ClientLayerManager::~ClientLayerManager()
{
if (mTransactionIdAllocator) {
DidComposite(mLatestTransactionId);
}
mMemoryPressureObserver->Destroy();
ClearCachedResources();
// Stop receiveing AsyncParentMessage at Forwarder.
// After the call, the message is directly handled by LayerTransactionChild.
// Basically this function should be called in ShadowLayerForwarder's
// destructor. But when the destructor is triggered by
// CompositorChild::Destroy(), the destructor can not handle it correctly.
// See Bug 1000525.
mForwarder->StopReceiveAsyncParentMessge();
mRoot = nullptr;
MOZ_COUNT_DTOR(ClientLayerManager);
}
bool
CompositorParent::SetTestSampleTime(LayerTransactionParent* aLayerTree,
const TimeStamp& aTime)
{
if (aTime.IsNull()) {
return false;
}
mIsTesting = true;
mTestTime = aTime;
// Update but only if we were already scheduled to animate
if (mCompositionManager && mCurrentCompositeTask) {
AutoResolveRefLayers resolve(mCompositionManager);
bool requestNextFrame = mCompositionManager->TransformShadowTree(aTime);
if (!requestNextFrame) {
CancelCurrentCompositeTask();
// Pretend we composited in case someone is wating for this event.
DidComposite();
}
}
return true;
}
void
CompositorParent::CompositeToTarget(DrawTarget* aTarget, const nsIntRect* aRect)
{
profiler_tracing("Paint", "Composite", TRACING_INTERVAL_START);
PROFILER_LABEL("CompositorParent", "Composite",
js::ProfileEntry::Category::GRAPHICS);
MOZ_ASSERT(IsInCompositorThread(),
"Composite can only be called on the compositor thread");
#ifdef COMPOSITOR_PERFORMANCE_WARNING
TimeDuration scheduleDelta = TimeStamp::Now() - mExpectedComposeStartTime;
if (scheduleDelta > TimeDuration::FromMilliseconds(2) ||
scheduleDelta < TimeDuration::FromMilliseconds(-2)) {
printf_stderr("Compositor: Compose starting off schedule by %4.1f ms\n",
scheduleDelta.ToMilliseconds());
}
#endif
mLastCompose = TimeStamp::Now();
if (!CanComposite()) {
DidComposite();
return;
}
AutoResolveRefLayers resolve(mCompositionManager);
if (aTarget) {
mLayerManager->BeginTransactionWithDrawTarget(aTarget, *aRect);
} else {
mLayerManager->BeginTransaction();
}
if (mForceCompositionTask && !mOverrideComposeReadiness) {
if (mCompositionManager->ReadyForCompose()) {
mForceCompositionTask->Cancel();
mForceCompositionTask = nullptr;
} else {
return;
}
}
TimeStamp time = mIsTesting ? mTestTime : mLastCompose;
bool requestNextFrame = mCompositionManager->TransformShadowTree(time);
if (requestNextFrame) {
ScheduleComposition();
}
RenderTraceLayers(mLayerManager->GetRoot(), "0000");
mCompositionManager->ComputeRotation();
#ifdef MOZ_DUMP_PAINTING
static bool gDumpCompositorTree = false;
if (gDumpCompositorTree) {
printf_stderr("Painting --- compositing layer tree:\n");
mLayerManager->Dump();
}
#endif
mLayerManager->SetDebugOverlayWantsNextFrame(false);
mLayerManager->EndEmptyTransaction();
if (!aTarget) {
DidComposite();
}
if (mLayerManager->DebugOverlayWantsNextFrame()) {
ScheduleComposition();
}
#ifdef COMPOSITOR_PERFORMANCE_WARNING
TimeDuration executionTime = TimeStamp::Now() - mLastCompose;
TimeDuration frameBudget = TimeDuration::FromMilliseconds(15);
int32_t frameRate = CalculateCompositionFrameRate();
if (frameRate > 0) {
frameBudget = TimeDuration::FromSeconds(1.0 / frameRate);
}
if (executionTime > frameBudget) {
printf_stderr("Compositor: Composite execution took %4.1f ms\n",
executionTime.ToMilliseconds());
}
#endif
// 0 -> Full-tilt composite
if (gfxPrefs::LayersCompositionFrameRate() == 0
|| mLayerManager->GetCompositor()->GetDiagnosticTypes() & DiagnosticTypes::FLASH_BORDERS) {
// Special full-tilt composite mode for performance testing
ScheduleComposition();
}
profiler_tracing("Paint", "Composite", TRACING_INTERVAL_END);
}