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/* -*- Mode: C++; tab-width: 8; 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 "InProcessCompositorSession.h"
#include "mozilla/widget/CompositorWidget.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/CompositorBridgeChild.h"
// so we can cast an APZCTreeManager to an IAPZCTreeManager
#include "mozilla/layers/APZCTreeManager.h"
#include "mozilla/layers/IAPZCTreeManager.h"
using namespace mozilla::layers;
using namespace mozilla::widget;
namespace mozilla {
namespace layers {
InProcessCompositorSession::InProcessCompositorSession(widget::CompositorWidget* aWidget,
CompositorBridgeChild* aChild,
CompositorBridgeParent* aParent)
: CompositorSession(aWidget->AsDelegate(), aChild, aParent->RootLayerTreeId()),
mCompositorBridgeParent(aParent),
mCompositorWidget(aWidget)
{
}
/* static */ RefPtr<InProcessCompositorSession>
InProcessCompositorSession::Create(nsIWidget* aWidget,
LayerManager* aLayerManager,
const uint64_t& aRootLayerTreeId,
CSSToLayoutDeviceScale aScale,
bool aUseAPZ,
bool aUseExternalSurfaceSize,
const gfx::IntSize& aSurfaceSize)
{
CompositorWidgetInitData initData;
aWidget->GetCompositorWidgetInitData(&initData);
RefPtr<CompositorWidget> widget = CompositorWidget::CreateLocal(initData, aWidget);
RefPtr<CompositorBridgeChild> child = new CompositorBridgeChild(aLayerManager);
RefPtr<CompositorBridgeParent> parent =
child->InitSameProcess(widget, aRootLayerTreeId, aScale, aUseAPZ, aUseExternalSurfaceSize, aSurfaceSize);
return new InProcessCompositorSession(widget, child, parent);
}
CompositorBridgeParent*
InProcessCompositorSession::GetInProcessBridge() const
{
return mCompositorBridgeParent;
}
void
InProcessCompositorSession::SetContentController(GeckoContentController* aController)
{
mCompositorBridgeParent->SetControllerForLayerTree(mRootLayerTreeId, aController);
}
RefPtr<IAPZCTreeManager>
InProcessCompositorSession::GetAPZCTreeManager() const
{
return mCompositorBridgeParent->GetAPZCTreeManager(mRootLayerTreeId);
}
bool
InProcessCompositorSession::Reset(const nsTArray<LayersBackend>& aBackendHints, TextureFactoryIdentifier* aOutIdentifier)
{
return mCompositorBridgeParent->ResetCompositor(aBackendHints, aOutIdentifier);
}
void
InProcessCompositorSession::Shutdown()
{
// Destroy will synchronously wait for the parent to acknowledge shutdown,
// at which point CBP will defer a Release on the compositor thread. We
// can safely release our reference now, and let the destructor run on either
// thread.
mCompositorBridgeChild->Destroy();
mCompositorBridgeChild = nullptr;
mCompositorBridgeParent = nullptr;
mCompositorWidget = nullptr;
}
} // namespace layers
} // namespace mozilla
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