mirror of
https://github.com/mozilla/gecko-dev.git
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01583602a9
The bulk of this commit was generated with a script, executed at the top
level of a typical source code checkout. The only non-machine-generated
part was modifying MFBT's moz.build to reflect the new naming.
CLOSED TREE makes big refactorings like this a piece of cake.
# The main substitution.
find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \
xargs perl -p -i -e '
s/nsRefPtr\.h/RefPtr\.h/g; # handle includes
s/nsRefPtr ?</RefPtr</g; # handle declarations and variables
'
# Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h.
perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h
# Handle nsRefPtr.h itself, a couple places that define constructors
# from nsRefPtr, and code generators specially. We do this here, rather
# than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename
# things like nsRefPtrHashtable.
perl -p -i -e 's/nsRefPtr/RefPtr/g' \
mfbt/nsRefPtr.h \
xpcom/glue/nsCOMPtr.h \
xpcom/base/OwningNonNull.h \
ipc/ipdl/ipdl/lower.py \
ipc/ipdl/ipdl/builtin.py \
dom/bindings/Codegen.py \
python/lldbutils/lldbutils/utils.py
# In our indiscriminate substitution above, we renamed
# nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up.
find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \
xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g'
if [ -d .git ]; then
git mv mfbt/nsRefPtr.h mfbt/RefPtr.h
else
hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h
fi
--HG--
rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
141 lines
4.0 KiB
C++
141 lines
4.0 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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RefPtr<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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, mRefreshTimerNeedsVsync(false)
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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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{ // scope lock
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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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UpdateVsyncStatus();
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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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{ // Scope lock
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MutexAutoLock lock(mDispatcherLock);
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if (mCompositorVsyncDispatchers.Contains(aCompositorVsyncDispatcher)) {
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mCompositorVsyncDispatchers.RemoveElement(aCompositorVsyncDispatcher);
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}
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}
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UpdateVsyncStatus();
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}
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void
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VsyncSource::Display::NotifyRefreshTimerVsyncStatus(bool aEnable)
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{
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MOZ_ASSERT(NS_IsMainThread());
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mRefreshTimerNeedsVsync = aEnable;
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UpdateVsyncStatus();
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}
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void
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VsyncSource::Display::UpdateVsyncStatus()
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{
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MOZ_ASSERT(NS_IsMainThread());
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// WARNING: This function SHOULD NOT BE CALLED WHILE HOLDING LOCKS
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// NotifyVsync grabs a lock to dispatch vsync events
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// When disabling vsync, we wait for the underlying thread to stop on some platforms
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// We can deadlock if we wait for the underlying vsync thread to stop
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// while the vsync thread is in NotifyVsync.
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bool enableVsync = false;
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{ // scope lock
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MutexAutoLock lock(mDispatcherLock);
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enableVsync = !mCompositorVsyncDispatchers.IsEmpty() || mRefreshTimerNeedsVsync;
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}
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if (enableVsync) {
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EnableVsync();
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} else {
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DisableVsync();
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}
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if (IsVsyncEnabled() != enableVsync) {
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NS_WARNING("Vsync status did not change.");
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}
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}
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RefPtr<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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