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-rw-r--r--gfx/ipc/InProcessCompositorSession.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/gfx/ipc/InProcessCompositorSession.cpp b/gfx/ipc/InProcessCompositorSession.cpp
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+++ b/gfx/ipc/InProcessCompositorSession.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=99: */
+/* 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"
+
+// so we can cast an APZCTreeManager to an IAPZCTreeManager
+#include "mozilla/layers/APZCTreeManager.h"
+#include "mozilla/layers/IAPZCTreeManager.h"
+
+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