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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/ipc/CompositorSession.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/gfx/ipc/CompositorSession.h b/gfx/ipc/CompositorSession.h
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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/. */
+#ifndef _include_mozilla_gfx_ipc_CompositorSession_h_
+#define _include_mozilla_gfx_ipc_CompositorSession_h_
+
+#include "base/basictypes.h"
+#include "mozilla/layers/LayersTypes.h"
+#include "mozilla/layers/CompositorTypes.h"
+#include "nsISupportsImpl.h"
+
+class nsIWidget;
+
+namespace mozilla {
+namespace widget {
+class CompositorWidget;
+class CompositorWidgetDelegate;
+} // namespace widget
+namespace gfx {
+class GPUProcessHost;
+class GPUProcessManager;
+} // namespace gfx
+namespace layers {
+
+class GeckoContentController;
+class IAPZCTreeManager;
+class CompositorBridgeParent;
+class CompositorBridgeChild;
+class ClientLayerManager;
+
+// A CompositorSession provides access to a compositor without exposing whether
+// or not it's in-process or out-of-process.
+class CompositorSession
+{
+ friend class gfx::GPUProcessManager;
+
+protected:
+ typedef gfx::GPUProcessHost GPUProcessHost;
+ typedef widget::CompositorWidget CompositorWidget;
+ typedef widget::CompositorWidgetDelegate CompositorWidgetDelegate;
+
+public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CompositorSession)
+
+ virtual bool Reset(const nsTArray<LayersBackend>& aBackendHints,
+ TextureFactoryIdentifier* aOutIdentifier) = 0;
+
+ virtual void Shutdown() = 0;
+
+ // This returns a CompositorBridgeParent if the compositor resides in the same process.
+ virtual CompositorBridgeParent* GetInProcessBridge() const = 0;
+
+ // Set the GeckoContentController for the root of the layer tree.
+ virtual void SetContentController(GeckoContentController* aController) = 0;
+
+ // Return the Async Pan/Zoom Tree Manager for this compositor.
+ virtual RefPtr<IAPZCTreeManager> GetAPZCTreeManager() const = 0;
+
+ // Return the child end of the compositor IPC bridge.
+ CompositorBridgeChild* GetCompositorBridgeChild();
+
+ // Return the proxy for accessing the compositor's widget.
+ CompositorWidgetDelegate* GetCompositorWidgetDelegate() {
+ return mCompositorWidgetDelegate;
+ }
+
+ // Return the id of the root layer tree.
+ uint64_t RootLayerTreeId() const {
+ return mRootLayerTreeId;
+ }
+
+protected:
+ CompositorSession(CompositorWidgetDelegate* aDelegate,
+ CompositorBridgeChild* aChild,
+ const uint64_t& aRootLayerTreeId);
+ virtual ~CompositorSession();
+
+protected:
+ CompositorWidgetDelegate* mCompositorWidgetDelegate;
+ RefPtr<CompositorBridgeChild> mCompositorBridgeChild;
+ uint64_t mRootLayerTreeId;
+
+private:
+ DISALLOW_COPY_AND_ASSIGN(CompositorSession);
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // _include_mozilla_gfx_ipc_CompositorSession_h_