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Diffstat (limited to 'gfx/layers/ipc/ContentCompositorBridgeParent.h')
| -rw-r--r-- | gfx/layers/ipc/ContentCompositorBridgeParent.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/gfx/layers/ipc/ContentCompositorBridgeParent.h b/gfx/layers/ipc/ContentCompositorBridgeParent.h new file mode 100644 index 0000000000..77836eac55 --- /dev/null +++ b/gfx/layers/ipc/ContentCompositorBridgeParent.h @@ -0,0 +1,187 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 mozilla_layers_ContentCompositorBridgeParent_h +#define mozilla_layers_ContentCompositorBridgeParent_h + +#include "mozilla/layers/CanvasTranslator.h" +#include "mozilla/layers/CompositorBridgeParent.h" +#include "mozilla/layers/CompositorThread.h" +#include "mozilla/UniquePtr.h" + +namespace mozilla::layers { + +class CompositorOptions; + +/** + * This class handles layer updates pushed directly from child processes to + * the compositor thread. It's associated with a CompositorBridgeParent on the + * compositor thread. While it uses the PCompositorBridge protocol to manage + * these updates, it doesn't actually drive compositing itself. For that it + * hands off work to the CompositorBridgeParent it's associated with. + */ +class ContentCompositorBridgeParent final : public CompositorBridgeParentBase { + friend class CompositorBridgeParent; + + public: + explicit ContentCompositorBridgeParent(CompositorManagerParent* aManager) + : CompositorBridgeParentBase(aManager), mDestroyCalled(false) {} + + void ActorDestroy(ActorDestroyReason aWhy) override; + + // FIXME/bug 774388: work out what shutdown protocol we need. + mozilla::ipc::IPCResult RecvInitialize( + const LayersId& aRootLayerTreeId) override { + return IPC_FAIL_NO_REASON(this); + } + mozilla::ipc::IPCResult RecvWillClose() override { return IPC_OK(); } + mozilla::ipc::IPCResult RecvPause() override { return IPC_OK(); } + mozilla::ipc::IPCResult RecvRequestFxrOutput() override { + return IPC_FAIL_NO_REASON(this); + } + mozilla::ipc::IPCResult RecvResume() override { return IPC_OK(); } + mozilla::ipc::IPCResult RecvResumeAsync() override { return IPC_OK(); } + mozilla::ipc::IPCResult RecvNotifyChildCreated( + const LayersId& child, CompositorOptions* aOptions) override; + mozilla::ipc::IPCResult RecvMapAndNotifyChildCreated( + const LayersId& child, const base::ProcessId& pid, + CompositorOptions* aOptions) override; + mozilla::ipc::IPCResult RecvNotifyChildRecreated( + const LayersId& child, CompositorOptions* aOptions) override { + return IPC_FAIL_NO_REASON(this); + } + mozilla::ipc::IPCResult RecvAdoptChild(const LayersId& child) override { + return IPC_FAIL_NO_REASON(this); + } + mozilla::ipc::IPCResult RecvFlushRendering( + const wr::RenderReasons&) override { + return IPC_OK(); + } + mozilla::ipc::IPCResult RecvFlushRenderingAsync( + const wr::RenderReasons&) override { + return IPC_OK(); + } + mozilla::ipc::IPCResult RecvForcePresent(const wr::RenderReasons&) override { + return IPC_OK(); + } + mozilla::ipc::IPCResult RecvWaitOnTransactionProcessed() override { + return IPC_OK(); + } + mozilla::ipc::IPCResult RecvStartFrameTimeRecording( + const int32_t& aBufferSize, uint32_t* aOutStartIndex) override { + return IPC_OK(); + } + mozilla::ipc::IPCResult RecvStopFrameTimeRecording( + const uint32_t& aStartIndex, nsTArray<float>* intervals) override { + return IPC_OK(); + } + + mozilla::ipc::IPCResult RecvNotifyMemoryPressure() override; + + mozilla::ipc::IPCResult RecvCheckContentOnlyTDR( + const uint32_t& sequenceNum, bool* isContentOnlyTDR) override; + + mozilla::ipc::IPCResult RecvBeginRecording( + const TimeStamp& aRecordingStart, + BeginRecordingResolver&& aResolve) override { + aResolve(false); + return IPC_OK(); + } + + mozilla::ipc::IPCResult RecvEndRecording( + EndRecordingResolver&& aResolve) override { + aResolve(Nothing()); + return IPC_OK(); + } + + bool SetTestSampleTime(const LayersId& aId, const TimeStamp& aTime) override; + void LeaveTestMode(const LayersId& aId) override; + void SetTestAsyncScrollOffset(const LayersId& aLayersId, + const ScrollableLayerGuid::ViewID& aScrollId, + const CSSPoint& aPoint) override; + void SetTestAsyncZoom(const LayersId& aLayersId, + const ScrollableLayerGuid::ViewID& aScrollId, + const LayerToParentLayerScale& aZoom) override; + void FlushApzRepaints(const LayersId& aLayersId) override; + void GetAPZTestData(const LayersId& aLayersId, + APZTestData* aOutData) override; + void GetFrameUniformity(const LayersId& aLayersId, + FrameUniformityData* aOutData) override; + void SetConfirmedTargetAPZC( + const LayersId& aLayersId, const uint64_t& aInputBlockId, + nsTArray<ScrollableLayerGuid>&& aTargets) override; + + // Use DidCompositeLocked if you already hold a lock on + // sIndirectLayerTreesLock; Otherwise use DidComposite, which would request + // the lock automatically. + void DidCompositeLocked(LayersId aId, const VsyncId& aVsyncId, + TimeStamp& aCompositeStart, TimeStamp& aCompositeEnd); + + PTextureParent* AllocPTextureParent( + const SurfaceDescriptor& aSharedData, ReadLockDescriptor& aReadLock, + const LayersBackend& aLayersBackend, const TextureFlags& aFlags, + const LayersId& aId, const uint64_t& aSerial, + const wr::MaybeExternalImageId& aExternalImageId) override; + + bool DeallocPTextureParent(PTextureParent* actor) override; + + mozilla::ipc::IPCResult RecvInitPCanvasParent( + Endpoint<PCanvasParent>&& aEndpoint) final; + + mozilla::ipc::IPCResult RecvReleasePCanvasParent() final; + + bool IsSameProcess() const override; + + PCompositorWidgetParent* AllocPCompositorWidgetParent( + const CompositorWidgetInitData& aInitData) override { + // Not allowed. + return nullptr; + } + bool DeallocPCompositorWidgetParent( + PCompositorWidgetParent* aActor) override { + // Not allowed. + return false; + } + + PAPZCTreeManagerParent* AllocPAPZCTreeManagerParent( + const LayersId& aLayersId) override; + bool DeallocPAPZCTreeManagerParent(PAPZCTreeManagerParent* aActor) override; + + PAPZParent* AllocPAPZParent(const LayersId& aLayersId) override; + bool DeallocPAPZParent(PAPZParent* aActor) override; + + PWebRenderBridgeParent* AllocPWebRenderBridgeParent( + const wr::PipelineId& aPipelineId, const LayoutDeviceIntSize& aSize, + const WindowKind& aWindowKind) override; + bool DeallocPWebRenderBridgeParent(PWebRenderBridgeParent* aActor) override; + + void ObserveLayersUpdate(LayersId aLayersId, LayersObserverEpoch aEpoch, + bool aActive) override; + + bool IsRemote() const override { return true; } + + UniquePtr<SurfaceDescriptor> LookupSurfaceDescriptorForClientTexture( + const int64_t aTextureId) final; + + private: + // Private destructor, to discourage deletion outside of Release(): + virtual ~ContentCompositorBridgeParent(); + + void DeferredDestroy(); + + // There can be many CPCPs, and IPDL-generated code doesn't hold a + // reference to top-level actors. So we hold a reference to + // ourself. This is released (deferred) in ActorDestroy(). + RefPtr<ContentCompositorBridgeParent> mSelfRef; + + bool mDestroyCalled; + + RefPtr<CanvasTranslator> mCanvasTranslator; +}; + +} // namespace mozilla::layers + +#endif // mozilla_layers_ContentCompositorBridgeParent_h |