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gecko-dev/gfx/layers/ipc/CompositorBridgeParent.h

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/* -*- 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_CompositorBridgeParent_h
#define mozilla_layers_CompositorBridgeParent_h
// Enable this pref to turn on compositor performance warning.
// This will print warnings if the compositor isn't meeting
// its responsiveness objectives:
// 1) Compose a frame within 15ms of receiving a ScheduleCompositeCall
// 2) Unless a frame was composited within the throttle threshold in
// which the deadline will be 15ms + throttle threshold
//#define COMPOSITOR_PERFORMANCE_WARNING
#include <stdint.h> // for uint64_t
#include "Layers.h" // for Layer
#include "mozilla/Assertions.h" // for MOZ_ASSERT_HELPER2
#include "mozilla/Attributes.h" // for override
#include "mozilla/Maybe.h"
#include "mozilla/Monitor.h" // for Monitor
#include "mozilla/RefPtr.h" // for RefPtr
#include "mozilla/TimeStamp.h" // for TimeStamp
#include "mozilla/dom/ipc/IdType.h"
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/ipc/ProtocolUtils.h"
#include "mozilla/ipc/SharedMemory.h"
#include "mozilla/layers/CompositionRecorder.h"
#include "mozilla/layers/CompositorController.h"
#include "mozilla/layers/CompositorOptions.h"
#include "mozilla/layers/CompositorVsyncSchedulerOwner.h"
#include "mozilla/layers/GeckoContentController.h"
#include "mozilla/layers/ISurfaceAllocator.h" // for ShmemAllocator
#include "mozilla/layers/LayersMessages.h" // for TargetConfig
#include "mozilla/layers/MetricsSharingController.h"
#include "mozilla/layers/PCompositorBridgeTypes.h"
#include "mozilla/layers/PCompositorBridgeParent.h"
#include "mozilla/layers/APZTestData.h"
#include "mozilla/webrender/WebRenderTypes.h"
#include "mozilla/webrender/RenderThread.h"
#include "mozilla/widget/CompositorWidget.h"
#include "nsISupportsImpl.h"
#include "ThreadSafeRefcountingWithMainThreadDestruction.h"
#include "mozilla/layers/UiCompositorControllerParent.h"
#include "mozilla/VsyncDispatcher.h"
class MessageLoop;
class nsIWidget;
namespace mozilla {
class CancelableRunnable;
namespace webgpu {
class PWebGPUParent;
class WebGPUParent;
} // namespace webgpu
namespace gfx {
class DrawTarget;
class GPUProcessManager;
class GPUParent;
} // namespace gfx
namespace ipc {
class Shmem;
#ifdef FUZZING
class ProtocolFuzzerHelper;
#endif
} // namespace ipc
namespace layers {
class APZCTreeManager;
class APZCTreeManagerParent;
class APZSampler;
class APZUpdater;
class AsyncCompositionManager;
class AsyncImagePipelineManager;
class Compositor;
class CompositorAnimationStorage;
class CompositorBridgeParent;
class CompositorManagerParent;
class CompositorVsyncScheduler;
class HostLayerManager;
class IAPZCTreeManager;
class LayerTransactionParent;
class PAPZParent;
class ContentCompositorBridgeParent;
class CompositorThreadHolder;
class InProcessCompositorSession;
class TextureData;
class WebRenderBridgeParent;
struct ScopedLayerTreeRegistration {
ScopedLayerTreeRegistration(APZCTreeManager* aApzctm, LayersId aLayersId,
Layer* aRoot,
GeckoContentController* aController);
~ScopedLayerTreeRegistration();
private:
LayersId mLayersId;
};
class CompositorBridgeParentBase : public PCompositorBridgeParent,
public HostIPCAllocator,
public ShmemAllocator,
public MetricsSharingController {
friend class PCompositorBridgeParent;
public:
explicit CompositorBridgeParentBase(CompositorManagerParent* aManager);
virtual void ShadowLayersUpdated(LayerTransactionParent* aLayerTree,
const TransactionInfo& aInfo,
bool aHitTestUpdate) = 0;
virtual AsyncCompositionManager* GetCompositionManager(
LayerTransactionParent* aLayerTree) {
return nullptr;
}
virtual void NotifyClearCachedResources(LayerTransactionParent* aLayerTree) {}
virtual void ScheduleComposite(LayerTransactionParent* aLayerTree) {}
virtual bool SetTestSampleTime(const LayersId& aId, const TimeStamp& aTime) {
return true;
}
virtual void LeaveTestMode(const LayersId& aId) {}
enum class TransformsToSkip : uint8_t { NoneOfThem = 0, APZ = 1 };
virtual void ApplyAsyncProperties(LayerTransactionParent* aLayerTree,
TransformsToSkip aSkip) = 0;
virtual void SetTestAsyncScrollOffset(
const WRRootId& aWrRootId, const ScrollableLayerGuid::ViewID& aScrollId,
const CSSPoint& aPoint) = 0;
virtual void SetTestAsyncZoom(const WRRootId& aWrRootId,
const ScrollableLayerGuid::ViewID& aScrollId,
const LayerToParentLayerScale& aZoom) = 0;
virtual void FlushApzRepaints(const WRRootId& aWrRootId) = 0;
virtual void GetAPZTestData(const WRRootId& aWrRootId,
APZTestData* aOutData) {}
virtual void SetConfirmedTargetAPZC(
const LayersId& aLayersId, const uint64_t& aInputBlockId,
const nsTArray<SLGuidAndRenderRoot>& aTargets) = 0;
virtual void UpdatePaintTime(LayerTransactionParent* aLayerTree,
const TimeDuration& aPaintTime) {}
virtual void RegisterPayloads(LayerTransactionParent* aLayerTree,
const nsTArray<CompositionPayload>& aPayload) {}
ShmemAllocator* AsShmemAllocator() override { return this; }
CompositorBridgeParentBase* AsCompositorBridgeParentBase() override {
return this;
}
mozilla::ipc::IPCResult RecvSyncWithCompositor() { return IPC_OK(); }
mozilla::ipc::IPCResult Recv__delete__() override { return IPC_OK(); }
virtual void ObserveLayersUpdate(LayersId aLayersId,
LayersObserverEpoch aEpoch,
bool aActive) = 0;
// HostIPCAllocator
base::ProcessId GetChildProcessId() override;
void NotifyNotUsed(PTextureParent* aTexture,
uint64_t aTransactionId) override;
void SendAsyncMessage(
const nsTArray<AsyncParentMessageData>& aMessage) override;
// ShmemAllocator
bool AllocShmem(size_t aSize,
mozilla::ipc::SharedMemory::SharedMemoryType aType,
mozilla::ipc::Shmem* aShmem) override;
bool AllocUnsafeShmem(size_t aSize,
mozilla::ipc::SharedMemory::SharedMemoryType aType,
mozilla::ipc::Shmem* aShmem) override;
void DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
// MetricsSharingController
NS_IMETHOD_(MozExternalRefCountType) AddRef() override {
return HostIPCAllocator::AddRef();
}
NS_IMETHOD_(MozExternalRefCountType) Release() override {
return HostIPCAllocator::Release();
}
base::ProcessId RemotePid() override;
bool StartSharingMetrics(mozilla::ipc::SharedMemoryBasic::Handle aHandle,
CrossProcessMutexHandle aMutexHandle,
LayersId aLayersId, uint32_t aApzcId) override;
bool StopSharingMetrics(ScrollableLayerGuid::ViewID aScrollId,
uint32_t aApzcId) override;
virtual bool IsRemote() const { return false; }
virtual UniquePtr<SurfaceDescriptor>
LookupSurfaceDescriptorForClientDrawTarget(const uintptr_t aDrawTarget) {
MOZ_CRASH("Should only be called on ContentCompositorBridgeParent.");
}
virtual void ForceComposeToTarget(gfx::DrawTarget* aTarget,
const gfx::IntRect* aRect = nullptr) {
MOZ_CRASH();
}
virtual void NotifyMemoryPressure() {}
virtual void AccumulateMemoryReport(wr::MemoryReport*) {}
protected:
virtual ~CompositorBridgeParentBase();
virtual PAPZParent* AllocPAPZParent(const LayersId& layersId) = 0;
virtual bool DeallocPAPZParent(PAPZParent* aActor) = 0;
virtual PAPZCTreeManagerParent* AllocPAPZCTreeManagerParent(
const LayersId& layersId) = 0;
virtual bool DeallocPAPZCTreeManagerParent(
PAPZCTreeManagerParent* aActor) = 0;
virtual PLayerTransactionParent* AllocPLayerTransactionParent(
const nsTArray<LayersBackend>& layersBackendHints,
const LayersId& id) = 0;
virtual bool DeallocPLayerTransactionParent(
PLayerTransactionParent* aActor) = 0;
virtual PTextureParent* AllocPTextureParent(
const SurfaceDescriptor& aSharedData, const ReadLockDescriptor& aReadLock,
const LayersBackend& aBackend, const TextureFlags& aTextureFlags,
const LayersId& id, const uint64_t& aSerial,
const MaybeExternalImageId& aExternalImageId) = 0;
virtual bool DeallocPTextureParent(PTextureParent* aActor) = 0;
virtual PWebRenderBridgeParent* AllocPWebRenderBridgeParent(
const PipelineId& pipelineId, const LayoutDeviceIntSize& aSize) = 0;
virtual bool DeallocPWebRenderBridgeParent(
PWebRenderBridgeParent* aActor) = 0;
virtual webgpu::PWebGPUParent* AllocPWebGPUParent() = 0;
virtual bool DeallocPWebGPUParent(webgpu::PWebGPUParent* aActor) = 0;
virtual PCompositorWidgetParent* AllocPCompositorWidgetParent(
const CompositorWidgetInitData& aInitData) = 0;
virtual bool DeallocPCompositorWidgetParent(
PCompositorWidgetParent* aActor) = 0;
virtual mozilla::ipc::IPCResult RecvRemotePluginsReady() = 0;
virtual mozilla::ipc::IPCResult RecvAdoptChild(const LayersId& id) = 0;
virtual mozilla::ipc::IPCResult RecvFlushRenderingAsync() = 0;
virtual mozilla::ipc::IPCResult RecvForcePresent() = 0;
virtual mozilla::ipc::IPCResult RecvNotifyRegionInvalidated(
const nsIntRegion& region) = 0;
virtual mozilla::ipc::IPCResult RecvRequestNotifyAfterRemotePaint() = 0;
virtual mozilla::ipc::IPCResult RecvAllPluginsCaptured() = 0;
virtual mozilla::ipc::IPCResult RecvBeginRecording(
const TimeStamp& aRecordingStart, BeginRecordingResolver&& aResolve) = 0;
virtual mozilla::ipc::IPCResult RecvEndRecordingToDisk(
EndRecordingToDiskResolver&& aResolve) = 0;
virtual mozilla::ipc::IPCResult RecvEndRecordingToMemory(
EndRecordingToMemoryResolver&& aResolve) = 0;
virtual mozilla::ipc::IPCResult RecvInitialize(
const LayersId& rootLayerTreeId) = 0;
virtual mozilla::ipc::IPCResult RecvGetFrameUniformity(
FrameUniformityData* data) = 0;
virtual mozilla::ipc::IPCResult RecvWillClose() = 0;
virtual mozilla::ipc::IPCResult RecvPause() = 0;
virtual mozilla::ipc::IPCResult RecvRequestFxrOutput() = 0;
virtual mozilla::ipc::IPCResult RecvResume() = 0;
virtual mozilla::ipc::IPCResult RecvResumeAsync() = 0;
virtual mozilla::ipc::IPCResult RecvNotifyChildCreated(
const LayersId& id, CompositorOptions* compositorOptions) = 0;
virtual mozilla::ipc::IPCResult RecvMapAndNotifyChildCreated(
const LayersId& id, const ProcessId& owner,
CompositorOptions* compositorOptions) = 0;
virtual mozilla::ipc::IPCResult RecvNotifyChildRecreated(
const LayersId& id, CompositorOptions* compositorOptions) = 0;
virtual mozilla::ipc::IPCResult RecvMakeSnapshot(
const SurfaceDescriptor& inSnapshot, const IntRect& dirtyRect) = 0;
virtual mozilla::ipc::IPCResult RecvFlushRendering() = 0;
virtual mozilla::ipc::IPCResult RecvWaitOnTransactionProcessed() = 0;
virtual mozilla::ipc::IPCResult RecvStartFrameTimeRecording(
const int32_t& bufferSize, uint32_t* startIndex) = 0;
virtual mozilla::ipc::IPCResult RecvStopFrameTimeRecording(
const uint32_t& startIndex, nsTArray<float>* intervals) = 0;
virtual mozilla::ipc::IPCResult RecvCheckContentOnlyTDR(
const uint32_t& sequenceNum, bool* isContentOnlyTDR) = 0;
virtual mozilla::ipc::IPCResult RecvInitPCanvasParent(
Endpoint<PCanvasParent>&& aEndpoint) = 0;
virtual mozilla::ipc::IPCResult RecvReleasePCanvasParent() = 0;
bool mCanSend;
private:
RefPtr<CompositorManagerParent> mCompositorManager;
};
MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(
CompositorBridgeParentBase::TransformsToSkip)
class CompositorBridgeParent final : public CompositorBridgeParentBase,
public CompositorController,
public CompositorVsyncSchedulerOwner {
friend class CompositorThreadHolder;
friend class InProcessCompositorSession;
friend class gfx::GPUProcessManager;
friend class gfx::GPUParent;
friend class PCompositorBridgeParent;
#ifdef FUZZING
friend class mozilla::ipc::ProtocolFuzzerHelper;
#endif
public:
NS_IMETHOD_(MozExternalRefCountType) AddRef() override {
return CompositorBridgeParentBase::AddRef();
}
NS_IMETHOD_(MozExternalRefCountType) Release() override {
return CompositorBridgeParentBase::Release();
}
explicit CompositorBridgeParent(CompositorManagerParent* aManager,
CSSToLayoutDeviceScale aScale,
const TimeDuration& aVsyncRate,
const CompositorOptions& aOptions,
bool aUseExternalSurfaceSize,
const gfx::IntSize& aSurfaceSize);
void InitSameProcess(widget::CompositorWidget* aWidget,
const LayersId& aLayerTreeId);
mozilla::ipc::IPCResult RecvInitialize(
const LayersId& aRootLayerTreeId) override;
mozilla::ipc::IPCResult RecvGetFrameUniformity(
FrameUniformityData* aOutData) override;
mozilla::ipc::IPCResult RecvWillClose() override;
mozilla::ipc::IPCResult RecvPause() override;
mozilla::ipc::IPCResult RecvRequestFxrOutput() override;
mozilla::ipc::IPCResult RecvResume() override;
mozilla::ipc::IPCResult RecvResumeAsync() override;
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;
mozilla::ipc::IPCResult RecvAdoptChild(const LayersId& child) override;
mozilla::ipc::IPCResult RecvMakeSnapshot(const SurfaceDescriptor& aInSnapshot,
const gfx::IntRect& aRect) override;
mozilla::ipc::IPCResult RecvFlushRendering() override;
mozilla::ipc::IPCResult RecvFlushRenderingAsync() override;
mozilla::ipc::IPCResult RecvWaitOnTransactionProcessed() override;
mozilla::ipc::IPCResult RecvForcePresent() override;
mozilla::ipc::IPCResult RecvNotifyRegionInvalidated(
const nsIntRegion& aRegion) override;
mozilla::ipc::IPCResult RecvStartFrameTimeRecording(
const int32_t& aBufferSize, uint32_t* aOutStartIndex) override;
mozilla::ipc::IPCResult RecvStopFrameTimeRecording(
const uint32_t& aStartIndex, nsTArray<float>* intervals) override;
mozilla::ipc::IPCResult RecvCheckContentOnlyTDR(
const uint32_t& sequenceNum, bool* isContentOnlyTDR) override {
return IPC_OK();
}
// Unused for chrome <-> compositor communication (which this class does).
// @see ContentCompositorBridgeParent::RecvRequestNotifyAfterRemotePaint
mozilla::ipc::IPCResult RecvRequestNotifyAfterRemotePaint() override {
return IPC_OK();
};
mozilla::ipc::IPCResult RecvAllPluginsCaptured() override;
mozilla::ipc::IPCResult RecvBeginRecording(
const TimeStamp& aRecordingStart,
BeginRecordingResolver&& aResolve) override;
mozilla::ipc::IPCResult RecvEndRecordingToDisk(
EndRecordingToDiskResolver&& aResolve) override;
mozilla::ipc::IPCResult RecvEndRecordingToMemory(
EndRecordingToMemoryResolver&& aResolve) override;
void NotifyMemoryPressure() override;
void AccumulateMemoryReport(wr::MemoryReport*) override;
void ActorDestroy(ActorDestroyReason why) override;
void ShadowLayersUpdated(LayerTransactionParent* aLayerTree,
const TransactionInfo& aInfo,
bool aHitTestUpdate) override;
void ScheduleComposite(LayerTransactionParent* aLayerTree) override;
bool SetTestSampleTime(const LayersId& aId, const TimeStamp& aTime) override;
void LeaveTestMode(const LayersId& aId) override;
void ApplyAsyncProperties(LayerTransactionParent* aLayerTree,
TransformsToSkip aSkip) override;
CompositorAnimationStorage* GetAnimationStorage();
void SetTestAsyncScrollOffset(const WRRootId& aWrRootId,
const ScrollableLayerGuid::ViewID& aScrollId,
const CSSPoint& aPoint) override;
void SetTestAsyncZoom(const WRRootId& aWrRootId,
const ScrollableLayerGuid::ViewID& aScrollId,
const LayerToParentLayerScale& aZoom) override;
void FlushApzRepaints(const WRRootId& aWrRootId) override;
void GetAPZTestData(const WRRootId& aWrRootId,
APZTestData* aOutData) override;
void SetConfirmedTargetAPZC(
const LayersId& aLayersId, const uint64_t& aInputBlockId,
const nsTArray<SLGuidAndRenderRoot>& aTargets) override;
AsyncCompositionManager* GetCompositionManager(
LayerTransactionParent* aLayerTree) override {
return mCompositionManager;
}
void SetFixedLayerMargins(ScreenIntCoord aTop, ScreenIntCoord aBottom);
PTextureParent* AllocPTextureParent(
const SurfaceDescriptor& aSharedData, const 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;
void NotifyWebRenderContextPurge();
void NotifyPipelineRendered(const wr::PipelineId& aPipelineId,
const wr::Epoch& aEpoch,
const VsyncId& aCompositeStartId,
TimeStamp& aCompositeStart,
TimeStamp& aRenderStart, TimeStamp& aCompositeEnd,
wr::RendererStats* aStats = nullptr);
void NotifyDidSceneBuild(const nsTArray<wr::RenderRoot>& aRenderRoots,
RefPtr<wr::WebRenderPipelineInfo> aInfo);
RefPtr<AsyncImagePipelineManager> GetAsyncImagePipelineManager() const;
PCompositorWidgetParent* AllocPCompositorWidgetParent(
const CompositorWidgetInitData& aInitData) override;
bool DeallocPCompositorWidgetParent(PCompositorWidgetParent* aActor) override;
void ObserveLayersUpdate(LayersId aLayersId, LayersObserverEpoch aEpoch,
bool aActive) override {}
/**
* This forces the is-first-paint flag to true. This is intended to
* be called by the widget code when it loses its viewport information
* (or for whatever reason wants to refresh the viewport information).
* The information refresh happens because the compositor will call
* SetFirstPaintViewport on the next frame of composition.
*/
void ForceIsFirstPaint();
static void SetShadowProperties(Layer* aLayer);
void NotifyChildCreated(LayersId aChild);
void AsyncRender();
// Can be called from any thread
void ScheduleRenderOnCompositorThread(
const wr::RenderRootSet& aRenderRoots) override;
void SchedulePauseOnCompositorThread();
void InvalidateOnCompositorThread();
/**
* Returns true if a surface was obtained and the resume succeeded; false
* otherwise.
*/
bool ScheduleResumeOnCompositorThread();
bool ScheduleResumeOnCompositorThread(int x, int y, int width, int height);
void ScheduleComposition(
const wr::RenderRootSet& aRenderRoots = wr::RenderRootSet());
void NotifyShadowTreeTransaction(LayersId aId, bool aIsFirstPaint,
const FocusTarget& aFocusTarget,
bool aScheduleComposite,
uint32_t aPaintSequenceNumber,
bool aIsRepeatTransaction,
bool aHitTestUpdate);
void UpdatePaintTime(LayerTransactionParent* aLayerTree,
const TimeDuration& aPaintTime) override;
void RegisterPayloads(LayerTransactionParent* aLayerTree,
const nsTArray<CompositionPayload>& aPayload) override;
/**
* Check rotation info and schedule a rendering task if needed.
* Only can be called from compositor thread.
*/
void ScheduleRotationOnCompositorThread(const TargetConfig& aTargetConfig,
bool aIsFirstPaint);
static void ScheduleForcedComposition(const LayersId& aLayersId);
/**
* Returns the unique layer tree identifier that corresponds to the root
* tree of this compositor.
*/
LayersId RootLayerTreeId();
/**
* Notify local and remote layer trees connected to this compositor that
* the compositor's local device is being reset. All layers must be
* invalidated to clear any cached TextureSources.
*
* This must be called on the compositor thread.
*/
void InvalidateRemoteLayers();
/**
* Returns a pointer to the CompositorBridgeParent corresponding to the given
* ID.
*/
static CompositorBridgeParent* GetCompositorBridgeParent(uint64_t id);
/**
* Notify the compositor for the given layer tree that vsync has occurred.
*/
static void NotifyVsync(const VsyncEvent& aVsync, const LayersId& aLayersId);
/**
* Set aController as the pan/zoom callback for the subtree referred
* to by aLayersId.
*
* Must run on content main thread.
*/
static void SetControllerForLayerTree(LayersId aLayersId,
GeckoContentController* aController);
struct LayerTreeState {
LayerTreeState();
~LayerTreeState();
RefPtr<Layer> mRoot;
RefPtr<GeckoContentController> mController;
APZCTreeManagerParent* mApzcTreeManagerParent;
RefPtr<CompositorBridgeParent> mParent;
HostLayerManager* mLayerManager;
RefPtr<WebRenderBridgeParent> mWrBridge;
// Pointer to the ContentCompositorBridgeParent. Used by APZCs to share
// their FrameMetrics with the corresponding child process that holds
// the PCompositorBridgeChild
ContentCompositorBridgeParent* mContentCompositorBridgeParent;
TargetConfig mTargetConfig;
LayerTransactionParent* mLayerTree;
nsTArray<PluginWindowData> mPluginData;
bool mUpdatedPluginDataAvailable;
CompositorController* GetCompositorController() const;
MetricsSharingController* CrossProcessSharingController() const;
MetricsSharingController* InProcessSharingController() const;
RefPtr<UiCompositorControllerParent> mUiControllerParent;
};
/**
* Lookup the indirect shadow tree for |aId| and return it if it
* exists. Otherwise null is returned. This must only be called on
* the compositor thread.
*/
static LayerTreeState* GetIndirectShadowTree(LayersId aId);
/**
* Lookup the indirect shadow tree for |aId|, call the function object and
* return true if found. If not found, return false.
*/
static bool CallWithIndirectShadowTree(
LayersId aId, const std::function<void(LayerTreeState&)>& aFunc);
/**
* Given the layers id for a content process, get the APZCTreeManagerParent
* for the corresponding *root* layers id. That is, the APZCTreeManagerParent,
* if one is found, will always be connected to the parent process rather
* than a content process. Note that unless the compositor process is
* separated this is expected to return null, because if the compositor is
* living in the gecko parent process then there is no APZCTreeManagerParent
* for the parent process.
*/
static APZCTreeManagerParent* GetApzcTreeManagerParentForRoot(
LayersId aContentLayersId);
/**
* Same as the GetApzcTreeManagerParentForRoot function, but returns
* the GeckoContentController for the parent process.
*/
static GeckoContentController* GetGeckoContentControllerForRoot(
LayersId aContentLayersId);
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
/**
* Calculates and requests the main thread update plugin positioning, clip,
* and visibility via ipc.
*/
bool UpdatePluginWindowState(LayersId aId);
/**
* Plugin visibility helpers for the apz (main thread) and compositor
* thread.
*/
void ScheduleShowAllPluginWindows() override;
void ScheduleHideAllPluginWindows() override;
void ShowAllPluginWindows();
void HideAllPluginWindows();
#else
void ScheduleShowAllPluginWindows() override {}
void ScheduleHideAllPluginWindows() override {}
#endif
/**
* Main thread response for a plugin visibility request made by the
* compositor thread.
*/
mozilla::ipc::IPCResult RecvRemotePluginsReady() override;
/**
* Used by the profiler to denote when a vsync occured
*/
static void PostInsertVsyncProfilerMarker(mozilla::TimeStamp aVsyncTimestamp);
widget::CompositorWidget* GetWidget() { return mWidget; }
virtual void ForceComposeToTarget(
gfx::DrawTarget* aTarget, const gfx::IntRect* aRect = nullptr) override;
PAPZCTreeManagerParent* AllocPAPZCTreeManagerParent(
const LayersId& aLayersId) override;
bool DeallocPAPZCTreeManagerParent(PAPZCTreeManagerParent* aActor) override;
// Helper method so that we don't have to expose mApzcTreeManager to
// ContentCompositorBridgeParent.
void AllocateAPZCTreeManagerParent(
const MonitorAutoLock& aProofOfLayerTreeStateLock,
const WRRootId& aWrRootId, LayerTreeState& aLayerTreeStateToUpdate);
PAPZParent* AllocPAPZParent(const LayersId& aLayersId) override;
bool DeallocPAPZParent(PAPZParent* aActor) override;
#if defined(MOZ_WIDGET_ANDROID)
AndroidDynamicToolbarAnimator* GetAndroidDynamicToolbarAnimator();
#endif
RefPtr<APZSampler> GetAPZSampler();
RefPtr<APZUpdater> GetAPZUpdater();
CompositorOptions GetOptions() const { return mOptions; }
TimeDuration GetVsyncInterval() const override {
// the variable is called "rate" but really it's an interval
return mVsyncRate;
}
PWebRenderBridgeParent* AllocPWebRenderBridgeParent(
const wr::PipelineId& aPipelineId,
const LayoutDeviceIntSize& aSize) override;
bool DeallocPWebRenderBridgeParent(PWebRenderBridgeParent* aActor) override;
RefPtr<WebRenderBridgeParent> GetWebRenderBridgeParent() const;
Maybe<TimeStamp> GetTestingTimeStamp() const;
webgpu::PWebGPUParent* AllocPWebGPUParent() override;
bool DeallocPWebGPUParent(webgpu::PWebGPUParent* aActor) override;
static CompositorBridgeParent* GetCompositorBridgeParentFromLayersId(
const LayersId& aLayersId);
static RefPtr<CompositorBridgeParent> GetCompositorBridgeParentFromWindowId(
const wr::WindowId& aWindowId);
/**
* This returns a reference to the IAPZCTreeManager "controller subinterface"
* to which pan/zoom-related events can be sent. The controller subinterface
* doesn't expose any sampler-thread APZCTreeManager methods.
*/
static already_AddRefed<IAPZCTreeManager> GetAPZCTreeManager(
LayersId aLayersId);
#if defined(MOZ_WIDGET_ANDROID)
gfx::IntSize GetEGLSurfaceSize() { return mEGLSurfaceSize; }
#endif // defined(MOZ_WIDGET_ANDROID)
WebRenderBridgeParent* GetWrBridge() { return mWrBridge; }
webgpu::WebGPUParent* GetWebGPUBridge() { return mWebGPUBridge; }
private:
void Initialize();
/**
* Called during destruction in order to release resources as early as
* possible.
*/
void StopAndClearResources();
/**
* Release compositor-thread resources referred to by |aID|.
*
* Must run on the content main thread.
*/
static void DeallocateLayerTreeId(LayersId aId);
/**
* Wrap the data structure to be sent over IPC.
*/
Maybe<CollectedFramesParams> WrapCollectedFrames(CollectedFrames&& aFrames);
protected:
// Protected destructor, to discourage deletion outside of Release():
virtual ~CompositorBridgeParent();
void DeferredDestroy();
PLayerTransactionParent* AllocPLayerTransactionParent(
const nsTArray<LayersBackend>& aBackendHints,
const LayersId& aId) override;
bool DeallocPLayerTransactionParent(
PLayerTransactionParent* aLayers) override;
virtual void ScheduleTask(already_AddRefed<CancelableRunnable>, int);
void SetEGLSurfaceRect(int x, int y, int width, int height);
void InitializeLayerManager(const nsTArray<LayersBackend>& aBackendHints);
public:
void PauseComposition();
void ResumeComposition();
void ResumeCompositionAndResize(int x, int y, int width, int height);
void Invalidate();
bool IsPaused() { return mPaused; }
protected:
void ForceComposition();
void CancelCurrentCompositeTask();
// CompositorVsyncSchedulerOwner
bool IsPendingComposite() override;
void FinishPendingComposite() override;
void CompositeToTarget(VsyncId aId, gfx::DrawTarget* aTarget,
const gfx::IntRect* aRect = nullptr) override;
bool InitializeAdvancedLayers(const nsTArray<LayersBackend>& aBackendHints,
TextureFactoryIdentifier* aOutIdentifier);
RefPtr<Compositor> NewCompositor(
const nsTArray<LayersBackend>& aBackendHints);
/**
* Add a compositor to the global compositor map.
*/
static void AddCompositor(CompositorBridgeParent* compositor, uint64_t* id);
/**
* Remove a compositor from the global compositor map.
*/
static CompositorBridgeParent* RemoveCompositor(uint64_t id);
/**
* Creates the global compositor map.
*/
static void Setup();
/**
* Remaning cleanups after the compositore thread is gone.
*/
static void FinishShutdown();
/**
* Return true if current state allows compositing, that is
* finishing a layers transaction.
*/
bool CanComposite();
void DidComposite(const VsyncId& aId, TimeStamp& aCompositeStart,
TimeStamp& aCompositeEnd);
void NotifyDidComposite(TransactionId aTransactionId, VsyncId aId,
TimeStamp& aCompositeStart, TimeStamp& aCompositeEnd);
// The indirect layer tree lock must be held before calling this function.
// Callback should take (LayerTreeState* aState, const LayersId& aLayersId)
template <typename Lambda>
inline void ForEachIndirectLayerTree(const Lambda& aCallback);
RefPtr<HostLayerManager> mLayerManager;
RefPtr<Compositor> mCompositor;
RefPtr<AsyncCompositionManager> mCompositionManager;
RefPtr<AsyncImagePipelineManager> mAsyncImageManager;
RefPtr<WebRenderBridgeParent> mWrBridge;
RefPtr<webgpu::WebGPUParent> mWebGPUBridge;
widget::CompositorWidget* mWidget;
Maybe<TimeStamp> mTestTime;
CSSToLayoutDeviceScale mScale;
TimeDuration mVsyncRate;
TransactionId mPendingTransaction;
TimeStamp mRefreshStartTime;
TimeStamp mTxnStartTime;
TimeStamp mFwdTime;
bool mPaused;
bool mHaveCompositionRecorder;
bool mIsForcedFirstPaint;
bool mUseExternalSurfaceSize;
gfx::IntSize mEGLSurfaceSize;
CompositorOptions mOptions;
mozilla::Monitor mPauseCompositionMonitor;
mozilla::Monitor mResumeCompositionMonitor;
uint64_t mCompositorBridgeID;
LayersId mRootLayerTreeID;
bool mOverrideComposeReadiness;
RefPtr<CancelableRunnable> mForceCompositionTask;
RefPtr<APZCTreeManager> mApzcTreeManager;
RefPtr<APZSampler> mApzSampler;
RefPtr<APZUpdater> mApzUpdater;
RefPtr<CompositorVsyncScheduler> mCompositorScheduler;
// This makes sure the compositorParent is not destroyed before receiving
// confirmation that the channel is closed.
// mSelfRef is cleared in DeferredDestroy which is scheduled by ActorDestroy.
RefPtr<CompositorBridgeParent> mSelfRef;
RefPtr<CompositorAnimationStorage> mAnimationStorage;
TimeDuration mPaintTime;
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
// cached plugin data used to reduce the number of updates we request.
LayersId mLastPluginUpdateLayerTreeId;
nsIntPoint mPluginsLayerOffset;
nsIntRegion mPluginsLayerVisibleRegion;
nsTArray<PluginWindowData> mCachedPluginData;
// Time until which we will block composition to wait for plugin updates.
TimeStamp mWaitForPluginsUntil;
// Indicates that we have actually blocked a composition waiting for plugins.
bool mHaveBlockedForPlugins = false;
// indicates if plugin window visibility and metric updates are currently
// being defered due to a scroll operation.
bool mDeferPluginWindows;
// indicates if the plugin windows were hidden, and need to be made
// visible again even if their geometry has not changed.
bool mPluginWindowsHidden;
#endif
DISALLOW_EVIL_CONSTRUCTORS(CompositorBridgeParent);
};
int32_t RecordContentFrameTime(
const VsyncId& aTxnId, const TimeStamp& aVsyncStart,
const TimeStamp& aTxnStart, const VsyncId& aCompositeId,
const TimeStamp& aCompositeEnd, const TimeDuration& aFullPaintTime,
const TimeDuration& aVsyncRate, bool aContainsSVGGroup,
bool aRecordUploadStats, wr::RendererStats* aStats = nullptr);
} // namespace layers
} // namespace mozilla
#endif // mozilla_layers_CompositorBridgeParent_h
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