mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "VsyncDispatcher.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/layers/CompositorParent.h"
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#include "gfxPrefs.h"
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#ifdef MOZ_ENABLE_PROFILER_SPS
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#include "GeckoProfiler.h"
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#include "ProfilerMarkers.h"
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#endif
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#ifdef MOZ_WIDGET_GONK
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#include "GeckoTouchDispatcher.h"
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#endif
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using namespace mozilla::layers;
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namespace mozilla {
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StaticRefPtr<VsyncDispatcher> sVsyncDispatcher;
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/*static*/ VsyncDispatcher*
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VsyncDispatcher::GetInstance()
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{
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if (!sVsyncDispatcher) {
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sVsyncDispatcher = new VsyncDispatcher();
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ClearOnShutdown(&sVsyncDispatcher);
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}
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return sVsyncDispatcher;
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}
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VsyncDispatcher::VsyncDispatcher()
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: mCompositorObserverLock("CompositorObserverLock")
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{
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}
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VsyncDispatcher::~VsyncDispatcher()
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{
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MutexAutoLock lock(mCompositorObserverLock);
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mCompositorObservers.Clear();
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}
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void
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VsyncDispatcher::SetVsyncSource(VsyncSource* aVsyncSource)
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{
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mVsyncSource = aVsyncSource;
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}
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void
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VsyncDispatcher::DispatchTouchEvents(bool aNotifiedCompositors, TimeStamp aVsyncTime)
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{
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// Touch events can sometimes start a composite, so make sure we dispatch touches
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// even if we don't composite
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#ifdef MOZ_WIDGET_GONK
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if (!aNotifiedCompositors && gfxPrefs::TouchResampling()) {
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GeckoTouchDispatcher::NotifyVsync(aVsyncTime);
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}
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#endif
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}
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void
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VsyncDispatcher::NotifyVsync(TimeStamp aVsyncTimestamp)
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{
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bool notifiedCompositors = false;
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#ifdef MOZ_ENABLE_PROFILER_SPS
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if (profiler_is_active()) {
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CompositorParent::PostInsertVsyncProfilerMarker(aVsyncTimestamp);
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}
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#endif
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if (gfxPrefs::VsyncAlignedCompositor()) {
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MutexAutoLock lock(mCompositorObserverLock);
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notifiedCompositors = NotifyVsyncObservers(aVsyncTimestamp, mCompositorObservers);
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}
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DispatchTouchEvents(notifiedCompositors, aVsyncTimestamp);
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}
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bool
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VsyncDispatcher::NotifyVsyncObservers(TimeStamp aVsyncTimestamp, nsTArray<nsRefPtr<VsyncObserver>>& aObservers)
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{
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// Callers should lock the respective lock for the aObservers before calling this function
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for (size_t i = 0; i < aObservers.Length(); i++) {
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aObservers[i]->NotifyVsync(aVsyncTimestamp);
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}
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return !aObservers.IsEmpty();
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}
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void
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VsyncDispatcher::AddCompositorVsyncObserver(VsyncObserver* aVsyncObserver)
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{
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MOZ_ASSERT(CompositorParent::IsInCompositorThread());
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MutexAutoLock lock(mCompositorObserverLock);
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if (!mCompositorObservers.Contains(aVsyncObserver)) {
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mCompositorObservers.AppendElement(aVsyncObserver);
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}
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}
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void
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VsyncDispatcher::RemoveCompositorVsyncObserver(VsyncObserver* aVsyncObserver)
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{
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MOZ_ASSERT(CompositorParent::IsInCompositorThread() || NS_IsMainThread());
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MutexAutoLock lock(mCompositorObserverLock);
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if (mCompositorObservers.Contains(aVsyncObserver)) {
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mCompositorObservers.RemoveElement(aVsyncObserver);
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} else {
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NS_WARNING("Could not delete a compositor vsync observer\n");
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}
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}
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} // namespace mozilla
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