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tubestation/gfx/layers/wr/WebRenderBridgeParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=4 ts=8 et 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_WebRenderBridgeParent_h
#define mozilla_layers_WebRenderBridgeParent_h
#include "CompositableHost.h" // for CompositableHost, ImageCompositeNotificationInfo
#include "GLContextProvider.h"
#include "mozilla/layers/CompositableTransactionParent.h"
#include "mozilla/layers/CompositorVsyncSchedulerOwner.h"
#include "mozilla/layers/PWebRenderBridgeParent.h"
#include "mozilla/Maybe.h"
#include "mozilla/webrender/WebRenderTypes.h"
#include "mozilla/webrender/WebRenderAPI.h"
#include "nsTArrayForwardDeclare.h"
namespace mozilla {
namespace gl {
class GLContext;
}
namespace widget {
class CompositorWidget;
}
namespace wr {
class WebRenderAPI;
}
namespace layers {
class Compositor;
class CompositorBridgeParentBase;
class CompositorVsyncScheduler;
class WebRenderCompositableHolder;
class WebRenderImageHost;
class WebRenderBridgeParent final : public PWebRenderBridgeParent
, public CompositorVsyncSchedulerOwner
, public CompositableParentManager
{
public:
WebRenderBridgeParent(CompositorBridgeParentBase* aCompositorBridge,
const wr::PipelineId& aPipelineId,
widget::CompositorWidget* aWidget,
CompositorVsyncScheduler* aScheduler,
RefPtr<wr::WebRenderAPI>&& aApi,
RefPtr<WebRenderCompositableHolder>&& aHolder);
wr::PipelineId PipelineId() { return mPipelineId; }
wr::WebRenderAPI* GetWebRenderAPI() { return mApi; }
WebRenderCompositableHolder* CompositableHolder() { return mCompositableHolder; }
CompositorVsyncScheduler* CompositorScheduler() { return mCompositorScheduler.get(); }
mozilla::ipc::IPCResult RecvNewCompositable(const CompositableHandle& aHandle,
const TextureInfo& aInfo) override;
mozilla::ipc::IPCResult RecvReleaseCompositable(const CompositableHandle& aHandle) override;
mozilla::ipc::IPCResult RecvInitReadLocks(ReadLockArray&& aReadLocks) override;
mozilla::ipc::IPCResult RecvCreate(const gfx::IntSize& aSize) override;
mozilla::ipc::IPCResult RecvShutdown() override;
mozilla::ipc::IPCResult RecvAddImage(const wr::ImageKey& aImageKey,
const gfx::IntSize& aSize,
const uint32_t& aStride,
const gfx::SurfaceFormat& aFormat,
const ByteBuffer& aBuffer) override;
mozilla::ipc::IPCResult RecvAddBlobImage(const wr::ImageKey& aImageKey,
const gfx::IntSize& aSize,
const uint32_t& aStride,
const gfx::SurfaceFormat& aFormat,
const ByteBuffer& aBuffer) override;
mozilla::ipc::IPCResult RecvUpdateImage(const wr::ImageKey& aImageKey,
const gfx::IntSize& aSize,
const gfx::SurfaceFormat& aFormat,
const ByteBuffer& aBuffer) override;
mozilla::ipc::IPCResult RecvDeleteImage(const wr::ImageKey& a1) override;
mozilla::ipc::IPCResult RecvAddRawFont(const wr::FontKey& aFontKey,
const ByteBuffer& aBuffer,
const uint32_t& aFontIndex) override;
mozilla::ipc::IPCResult RecvDeleteFont(const wr::FontKey& aFontKey) override;
mozilla::ipc::IPCResult RecvDPBegin(const gfx::IntSize& aSize) override;
mozilla::ipc::IPCResult RecvDPEnd(const gfx::IntSize& aSize,
InfallibleTArray<WebRenderParentCommand>&& aCommands,
InfallibleTArray<OpDestroy>&& aToDestroy,
const uint64_t& aFwdTransactionId,
const uint64_t& aTransactionId,
const ByteBuffer& dl,
const WrBuiltDisplayListDescriptor& dlDesc,
const ByteBuffer& aux,
const WrAuxiliaryListsDescriptor& auxDesc,
const WebRenderScrollData& aScrollData) override;
mozilla::ipc::IPCResult RecvDPSyncEnd(const gfx::IntSize& aSize,
InfallibleTArray<WebRenderParentCommand>&& aCommands,
InfallibleTArray<OpDestroy>&& aToDestroy,
const uint64_t& aFwdTransactionId,
const uint64_t& aTransactionId,
const ByteBuffer& dl,
const WrBuiltDisplayListDescriptor& dlDesc,
const ByteBuffer& aux,
const WrAuxiliaryListsDescriptor& auxDesc,
const WebRenderScrollData& aScrollData) override;
mozilla::ipc::IPCResult RecvDPGetSnapshot(PTextureParent* aTexture) override;
mozilla::ipc::IPCResult RecvAddExternalImageId(const ExternalImageId& aImageId,
const CompositableHandle& aHandle) override;
mozilla::ipc::IPCResult RecvAddExternalImageIdForCompositable(const ExternalImageId& aImageId,
const CompositableHandle& aHandle) override;
mozilla::ipc::IPCResult RecvRemoveExternalImageId(const ExternalImageId& aImageId) override;
mozilla::ipc::IPCResult RecvSetLayerObserverEpoch(const uint64_t& aLayerObserverEpoch) override;
mozilla::ipc::IPCResult RecvClearCachedResources() override;
mozilla::ipc::IPCResult RecvForceComposite() override;
void ActorDestroy(ActorDestroyReason aWhy) override;
void SetWebRenderProfilerEnabled(bool aEnabled);
void Pause();
bool Resume();
void Destroy();
// CompositorVsyncSchedulerOwner
bool IsPendingComposite() override { return false; }
void FinishPendingComposite() override { }
void CompositeToTarget(gfx::DrawTarget* aTarget, const gfx::IntRect* aRect = nullptr) override;
// CompositableParentManager
bool IsSameProcess() const override;
base::ProcessId GetChildProcessId() override;
void NotifyNotUsed(PTextureParent* aTexture, uint64_t aTransactionId) override;
void SendAsyncMessage(const InfallibleTArray<AsyncParentMessageData>& aMessage) override;
void SendPendingAsyncMessages() override;
void SetAboutToSendAsyncMessages() override;
void HoldPendingTransactionId(uint32_t aWrEpoch, uint64_t aTransactionId);
uint64_t LastPendingTransactionId();
uint64_t FlushPendingTransactionIds();
uint64_t FlushTransactionIdsForEpoch(const wr::Epoch& aEpoch);
TextureFactoryIdentifier GetTextureFactoryIdentifier();
void AppendImageCompositeNotification(const ImageCompositeNotificationInfo& aNotification)
{
MOZ_ASSERT(mWidget);
mImageCompositeNotifications.AppendElement(aNotification);
}
void ExtractImageCompositeNotifications(nsTArray<ImageCompositeNotificationInfo>* aNotifications)
{
MOZ_ASSERT(mWidget);
aNotifications->AppendElements(Move(mImageCompositeNotifications));
}
uint32_t GetIdNameSpace()
{
return mIdNameSpace;
}
void UpdateAPZ();
const WebRenderScrollData& GetScrollData() const;
private:
virtual ~WebRenderBridgeParent();
void DeleteOldImages();
void ProcessWebRenderCommands(const gfx::IntSize &aSize, InfallibleTArray<WebRenderParentCommand>& commands, const wr::Epoch& aEpoch,
const ByteBuffer& dl,
const WrBuiltDisplayListDescriptor& dlDesc,
const ByteBuffer& aux,
const WrAuxiliaryListsDescriptor& auxDesc);
void ScheduleComposition();
void ClearResources();
uint64_t GetChildLayerObserverEpoch() const { return mChildLayerObserverEpoch; }
bool ShouldParentObserveEpoch();
void HandleDPEnd(const gfx::IntSize& aSize,
InfallibleTArray<WebRenderParentCommand>&& aCommands,
InfallibleTArray<OpDestroy>&& aToDestroy,
const uint64_t& aFwdTransactionId,
const uint64_t& aTransactionId,
const ByteBuffer& dl,
const WrBuiltDisplayListDescriptor& dlDesc,
const ByteBuffer& aux,
const WrAuxiliaryListsDescriptor& auxDesc,
const WebRenderScrollData& aScrollData);
void SampleAnimations(nsTArray<WrOpacityProperty>& aOpacityArray,
nsTArray<WrTransformProperty>& aTransformArray);
private:
struct PendingTransactionId {
PendingTransactionId(wr::Epoch aEpoch, uint64_t aId)
: mEpoch(aEpoch)
, mId(aId)
{}
wr::Epoch mEpoch;
uint64_t mId;
};
CompositorBridgeParentBase* MOZ_NON_OWNING_REF mCompositorBridge;
wr::PipelineId mPipelineId;
RefPtr<widget::CompositorWidget> mWidget;
RefPtr<wr::WebRenderAPI> mApi;
RefPtr<WebRenderCompositableHolder> mCompositableHolder;
RefPtr<CompositorVsyncScheduler> mCompositorScheduler;
std::vector<wr::ImageKey> mKeysToDelete;
// XXX How to handle active keys of non-ExternalImages?
nsDataHashtable<nsUint64HashKey, wr::ImageKey> mActiveKeys;
nsDataHashtable<nsUint64HashKey, RefPtr<WebRenderImageHost>> mExternalImageIds;
nsTArray<ImageCompositeNotificationInfo> mImageCompositeNotifications;
// These fields keep track of the latest layer observer epoch values in the child and the
// parent. mChildLayerObserverEpoch is the latest epoch value received from the child.
// mParentLayerObserverEpoch is the latest epoch value that we have told TabParent about
// (via ObserveLayerUpdate).
uint64_t mChildLayerObserverEpoch;
uint64_t mParentLayerObserverEpoch;
std::queue<PendingTransactionId> mPendingTransactionIds;
uint32_t mWrEpoch;
uint32_t mIdNameSpace;
bool mPaused;
bool mDestroyed;
// Can only be accessed on the compositor thread.
WebRenderScrollData mScrollData;
static uint32_t sIdNameSpace;
};
} // namespace layers
} // namespace mozilla
#endif // mozilla_layers_WebRenderBridgeParent_h