зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
2.9 KiB
C++
94 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=99: */
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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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#ifndef _include_mozilla_gfx_ipc_CompositorSession_h_
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#define _include_mozilla_gfx_ipc_CompositorSession_h_
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#include "base/basictypes.h"
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#include "mozilla/layers/LayersTypes.h"
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#include "mozilla/layers/CompositorTypes.h"
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#include "nsISupportsImpl.h"
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class nsIWidget;
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namespace mozilla {
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namespace widget {
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class CompositorWidget;
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class CompositorWidgetDelegate;
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} // namespace widget
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namespace gfx {
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class GPUProcessHost;
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class GPUProcessManager;
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} // namespace gfx
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namespace layers {
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class GeckoContentController;
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class IAPZCTreeManager;
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class CompositorBridgeParent;
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class CompositorBridgeChild;
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class ClientLayerManager;
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// A CompositorSession provides access to a compositor without exposing whether
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// or not it's in-process or out-of-process.
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class CompositorSession
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{
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friend class gfx::GPUProcessManager;
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protected:
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typedef gfx::GPUProcessHost GPUProcessHost;
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typedef widget::CompositorWidget CompositorWidget;
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typedef widget::CompositorWidgetDelegate CompositorWidgetDelegate;
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CompositorSession)
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virtual bool Reset(const nsTArray<LayersBackend>& aBackendHints,
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uint64_t aSeqNo,
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TextureFactoryIdentifier* aOutIdentifier) = 0;
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virtual void Shutdown() = 0;
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// This returns a CompositorBridgeParent if the compositor resides in the same process.
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virtual CompositorBridgeParent* GetInProcessBridge() const = 0;
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// Set the GeckoContentController for the root of the layer tree.
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virtual void SetContentController(GeckoContentController* aController) = 0;
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// Return the Async Pan/Zoom Tree Manager for this compositor.
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virtual RefPtr<IAPZCTreeManager> GetAPZCTreeManager() const = 0;
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// Return the child end of the compositor IPC bridge.
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CompositorBridgeChild* GetCompositorBridgeChild();
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// Return the proxy for accessing the compositor's widget.
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CompositorWidgetDelegate* GetCompositorWidgetDelegate() {
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return mCompositorWidgetDelegate;
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}
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// Return the id of the root layer tree.
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uint64_t RootLayerTreeId() const {
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return mRootLayerTreeId;
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}
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protected:
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CompositorSession(CompositorWidgetDelegate* aDelegate,
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CompositorBridgeChild* aChild,
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const uint64_t& aRootLayerTreeId);
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virtual ~CompositorSession();
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protected:
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CompositorWidgetDelegate* mCompositorWidgetDelegate;
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RefPtr<CompositorBridgeChild> mCompositorBridgeChild;
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uint64_t mRootLayerTreeId;
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private:
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DISALLOW_COPY_AND_ASSIGN(CompositorSession);
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};
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} // namespace layers
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} // namespace mozilla
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#endif // _include_mozilla_gfx_ipc_CompositorSession_h_
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