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Protect main thread in-process access to WinCompositorWidget transparent surface.

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This commit is contained in:
wolfbeast 2018-11-01 20:16:11 +01:00 • committed by Roy Tam
commit 416ce4eb69
2 changed files with 29 additions and 0 deletions
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25
widget/windows/InProcessWinCompositorWidget.cpp
View file

@ -23,6 +23,31 @@ InProcessWinCompositorWidget::InProcessWinCompositorWidget(const CompositorWidge
MOZ_ASSERT(mWindow); MOZ_ASSERT(mWindow);
} }
void
InProcessWinCompositorWidget::OnDestroyWindow()
{
EnterPresentLock();
WinCompositorWidget::OnDestroyWindow();
LeavePresentLock();
}
void
InProcessWinCompositorWidget::UpdateTransparency(nsTransparencyMode aMode)
{
EnterPresentLock();
WinCompositorWidget::UpdateTransparency(aMode);
LeavePresentLock();
}
void
InProcessWinCompositorWidget::ClearTransparentWindow()
{
EnterPresentLock();
WinCompositorWidget::ClearTransparentWindow();
LeavePresentLock();
}
nsIWidget* nsIWidget*
InProcessWinCompositorWidget::RealWidget() InProcessWinCompositorWidget::RealWidget()
{ {

4
widget/windows/InProcessWinCompositorWidget.h
View file

@ -22,6 +22,10 @@ class InProcessWinCompositorWidget final : public WinCompositorWidget
public: public:
InProcessWinCompositorWidget(const CompositorWidgetInitData& aInitData, nsWindow* aWindow); InProcessWinCompositorWidget(const CompositorWidgetInitData& aInitData, nsWindow* aWindow);
void OnDestroyWindow() override;
void UpdateTransparency(nsTransparencyMode aMode) override;
void ClearTransparentWindow() override;
void ObserveVsync(VsyncObserver* aObserver) override; void ObserveVsync(VsyncObserver* aObserver) override;
nsIWidget* RealWidget() override; nsIWidget* RealWidget() override;