gecko-dev/gfx/thebes/VsyncSource.cpp
Nathan Froyd 01583602a9 Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat
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
2015-10-18 01:24:48 -04:00

141 lines
4.0 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "VsyncSource.h"
#include "nsThreadUtils.h"
#include "nsXULAppAPI.h"
#include "mozilla/VsyncDispatcher.h"
#include "MainThreadUtils.h"
namespace mozilla {
namespace gfx {
void
VsyncSource::AddCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
{
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
// Just use the global display until we have enough information to get the
// corresponding display for compositor.
GetGlobalDisplay().AddCompositorVsyncDispatcher(aCompositorVsyncDispatcher);
}
void
VsyncSource::RemoveCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
{
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
// See also AddCompositorVsyncDispatcher().
GetGlobalDisplay().RemoveCompositorVsyncDispatcher(aCompositorVsyncDispatcher);
}
RefPtr<RefreshTimerVsyncDispatcher>
VsyncSource::GetRefreshTimerVsyncDispatcher()
{
MOZ_ASSERT(XRE_IsParentProcess());
// See also AddCompositorVsyncDispatcher().
return GetGlobalDisplay().GetRefreshTimerVsyncDispatcher();
}
VsyncSource::Display::Display()
: mDispatcherLock("display dispatcher lock")
, mRefreshTimerNeedsVsync(false)
{
MOZ_ASSERT(NS_IsMainThread());
mRefreshTimerVsyncDispatcher = new RefreshTimerVsyncDispatcher();
}
VsyncSource::Display::~Display()
{
MOZ_ASSERT(NS_IsMainThread());
MutexAutoLock lock(mDispatcherLock);
mRefreshTimerVsyncDispatcher = nullptr;
mCompositorVsyncDispatchers.Clear();
}
void
VsyncSource::Display::NotifyVsync(TimeStamp aVsyncTimestamp)
{
// Called on the vsync thread
MutexAutoLock lock(mDispatcherLock);
for (size_t i = 0; i < mCompositorVsyncDispatchers.Length(); i++) {
mCompositorVsyncDispatchers[i]->NotifyVsync(aVsyncTimestamp);
}
mRefreshTimerVsyncDispatcher->NotifyVsync(aVsyncTimestamp);
}
void
VsyncSource::Display::AddCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aCompositorVsyncDispatcher);
{ // scope lock
MutexAutoLock lock(mDispatcherLock);
if (!mCompositorVsyncDispatchers.Contains(aCompositorVsyncDispatcher)) {
mCompositorVsyncDispatchers.AppendElement(aCompositorVsyncDispatcher);
}
}
UpdateVsyncStatus();
}
void
VsyncSource::Display::RemoveCompositorVsyncDispatcher(CompositorVsyncDispatcher* aCompositorVsyncDispatcher)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aCompositorVsyncDispatcher);
{ // Scope lock
MutexAutoLock lock(mDispatcherLock);
if (mCompositorVsyncDispatchers.Contains(aCompositorVsyncDispatcher)) {
mCompositorVsyncDispatchers.RemoveElement(aCompositorVsyncDispatcher);
}
}
UpdateVsyncStatus();
}
void
VsyncSource::Display::NotifyRefreshTimerVsyncStatus(bool aEnable)
{
MOZ_ASSERT(NS_IsMainThread());
mRefreshTimerNeedsVsync = aEnable;
UpdateVsyncStatus();
}
void
VsyncSource::Display::UpdateVsyncStatus()
{
MOZ_ASSERT(NS_IsMainThread());
// WARNING: This function SHOULD NOT BE CALLED WHILE HOLDING LOCKS
// NotifyVsync grabs a lock to dispatch vsync events
// When disabling vsync, we wait for the underlying thread to stop on some platforms
// We can deadlock if we wait for the underlying vsync thread to stop
// while the vsync thread is in NotifyVsync.
bool enableVsync = false;
{ // scope lock
MutexAutoLock lock(mDispatcherLock);
enableVsync = !mCompositorVsyncDispatchers.IsEmpty() || mRefreshTimerNeedsVsync;
}
if (enableVsync) {
EnableVsync();
} else {
DisableVsync();
}
if (IsVsyncEnabled() != enableVsync) {
NS_WARNING("Vsync status did not change.");
}
}
RefPtr<RefreshTimerVsyncDispatcher>
VsyncSource::Display::GetRefreshTimerVsyncDispatcher()
{
return mRefreshTimerVsyncDispatcher;
}
} //namespace gfx
} //namespace mozilla