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819bc465b7
1) Create RefreshTimerDispatcher in VsyncSource::Display. 2) Use mutex for all VsyncSource::Display's member access.
98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 "VsyncSource.h"
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#include "nsThreadUtils.h"
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#include "nsXULAppAPI.h"
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#include "mozilla/VsyncDispatcher.h"
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#include "MainThreadUtils.h"
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namespace mozilla {
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namespace gfx {
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void
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VsyncSource::AddCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
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{
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MOZ_ASSERT(XRE_IsParentProcess());
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MOZ_ASSERT(NS_IsMainThread());
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// Just use the global display until we have enough information to get the
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// corresponding display for compositor.
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GetGlobalDisplay().AddCompositorVsyncDispatcher(aCompositorVsyncDispatcher);
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}
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void
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VsyncSource::RemoveCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
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{
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MOZ_ASSERT(XRE_IsParentProcess());
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MOZ_ASSERT(NS_IsMainThread());
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// See also AddCompositorVsyncDispatcher().
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GetGlobalDisplay().RemoveCompositorVsyncDispatcher(aCompositorVsyncDispatcher);
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}
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nsRefPtr<RefreshTimerVsyncDispatcher>
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VsyncSource::GetRefreshTimerVsyncDispatcher()
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{
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MOZ_ASSERT(XRE_IsParentProcess());
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// See also AddCompositorVsyncDispatcher().
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return GetGlobalDisplay().GetRefreshTimerVsyncDispatcher();
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}
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VsyncSource::Display::Display()
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: mDispatcherLock("display dispatcher lock")
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{
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MOZ_ASSERT(NS_IsMainThread());
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mRefreshTimerVsyncDispatcher = new RefreshTimerVsyncDispatcher();
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}
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VsyncSource::Display::~Display()
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{
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MOZ_ASSERT(NS_IsMainThread());
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MutexAutoLock lock(mDispatcherLock);
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mRefreshTimerVsyncDispatcher = nullptr;
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mCompositorVsyncDispatchers.Clear();
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}
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void
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VsyncSource::Display::NotifyVsync(TimeStamp aVsyncTimestamp)
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{
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// Called on the vsync thread
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MutexAutoLock lock(mDispatcherLock);
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for (size_t i = 0; i < mCompositorVsyncDispatchers.Length(); i++) {
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mCompositorVsyncDispatchers[i]->NotifyVsync(aVsyncTimestamp);
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}
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mRefreshTimerVsyncDispatcher->NotifyVsync(aVsyncTimestamp);
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}
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void
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VsyncSource::Display::AddCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aCompositorVsyncDispatcher);
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MutexAutoLock lock(mDispatcherLock);
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if (!mCompositorVsyncDispatchers.Contains(aCompositorVsyncDispatcher)) {
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mCompositorVsyncDispatchers.AppendElement(aCompositorVsyncDispatcher);
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}
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}
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void
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VsyncSource::Display::RemoveCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aCompositorVsyncDispatcher);
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MutexAutoLock lock(mDispatcherLock);
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mCompositorVsyncDispatchers.RemoveElement(aCompositorVsyncDispatcher);
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}
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nsRefPtr<RefreshTimerVsyncDispatcher>
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VsyncSource::Display::GetRefreshTimerVsyncDispatcher()
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{
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return mRefreshTimerVsyncDispatcher;
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}
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} //namespace gfx
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} //namespace mozilla
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