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