mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 16:46:26 +00:00
763 lines
25 KiB
C++
763 lines
25 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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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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#include "ShadowLayers.h"
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#include <set> // for _Rb_tree_const_iterator, etc
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#include <vector> // for vector
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#include "GeckoProfiler.h" // for PROFILER_LABEL
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#include "ISurfaceAllocator.h" // for IsSurfaceDescriptorValid
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#include "Layers.h" // for Layer
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#include "RenderTrace.h" // for RenderTraceScope
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#include "ShadowLayerChild.h" // for ShadowLayerChild
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#include "gfx2DGlue.h" // for Moz2D transition helpers
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#include "gfxPlatform.h" // for gfxImageFormat, gfxPlatform
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#include "gfxSharedImageSurface.h" // for gfxSharedImageSurface
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#include "ipc/IPCMessageUtils.h" // for gfxContentType, null_t
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#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
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#include "mozilla/gfx/Point.h" // for IntSize
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#include "mozilla/layers/CompositableClient.h" // for CompositableClient, etc
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#include "mozilla/layers/LayersMessages.h" // for Edit, etc
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
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#include "mozilla/layers/LayersTypes.h" // for MOZ_LAYERS_LOG
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#include "mozilla/layers/LayerTransactionChild.h"
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#include "ShadowLayerUtils.h"
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#include "mozilla/layers/TextureClient.h" // for TextureClient
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#include "mozilla/mozalloc.h" // for operator new, etc
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#include "nsAutoPtr.h" // for nsRefPtr, getter_AddRefs, etc
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#include "nsDebug.h" // for NS_ABORT_IF_FALSE, etc
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#include "nsRect.h" // for nsIntRect
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#include "nsSize.h" // for nsIntSize
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#include "nsTArray.h" // for nsAutoTArray, nsTArray, etc
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#include "nsXULAppAPI.h" // for XRE_GetProcessType, etc
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struct nsIntPoint;
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using namespace mozilla::ipc;
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using namespace mozilla::gl;
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using namespace mozilla::dom;
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namespace mozilla {
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namespace ipc {
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class Shmem;
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}
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namespace layers {
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class ClientTiledLayerBuffer;
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typedef nsTArray<SurfaceDescriptor> BufferArray;
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typedef std::vector<Edit> EditVector;
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typedef std::set<ShadowableLayer*> ShadowableLayerSet;
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class Transaction
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{
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public:
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Transaction()
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: mTargetRotation(ROTATION_0)
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, mSwapRequired(false)
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, mOpen(false)
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, mRotationChanged(false)
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{}
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void Begin(const nsIntRect& aTargetBounds, ScreenRotation aRotation,
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const nsIntRect& aClientBounds, ScreenOrientation aOrientation)
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{
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mOpen = true;
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mTargetBounds = aTargetBounds;
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if (aRotation != mTargetRotation) {
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// the first time this is called, mRotationChanged will be false if
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// aRotation is 0, but we should be OK because for the first transaction
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// we should only compose if it is non-empty. See the caller(s) of
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// RotationChanged.
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mRotationChanged = true;
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}
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mTargetRotation = aRotation;
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mClientBounds = aClientBounds;
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mTargetOrientation = aOrientation;
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}
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void MarkSyncTransaction()
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{
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mSwapRequired = true;
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}
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void AddEdit(const Edit& aEdit)
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{
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NS_ABORT_IF_FALSE(!Finished(), "forgot BeginTransaction?");
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mCset.push_back(aEdit);
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}
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void AddEdit(const CompositableOperation& aEdit)
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{
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AddEdit(Edit(aEdit));
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}
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void AddPaint(const Edit& aPaint)
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{
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AddNoSwapPaint(aPaint);
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mSwapRequired = true;
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}
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void AddPaint(const CompositableOperation& aPaint)
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{
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AddNoSwapPaint(Edit(aPaint));
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mSwapRequired = true;
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}
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void AddNoSwapPaint(const Edit& aPaint)
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{
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NS_ABORT_IF_FALSE(!Finished(), "forgot BeginTransaction?");
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mPaints.push_back(aPaint);
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}
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void AddNoSwapPaint(const CompositableOperation& aPaint)
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{
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NS_ABORT_IF_FALSE(!Finished(), "forgot BeginTransaction?");
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mPaints.push_back(Edit(aPaint));
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}
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void AddMutant(ShadowableLayer* aLayer)
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{
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NS_ABORT_IF_FALSE(!Finished(), "forgot BeginTransaction?");
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mMutants.insert(aLayer);
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}
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void End()
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{
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mCset.clear();
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mPaints.clear();
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mMutants.clear();
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mOpen = false;
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mSwapRequired = false;
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mRotationChanged = false;
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}
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bool Empty() const {
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return mCset.empty() && mPaints.empty() && mMutants.empty();
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}
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bool RotationChanged() const {
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return mRotationChanged;
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}
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bool Finished() const { return !mOpen && Empty(); }
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EditVector mCset;
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EditVector mPaints;
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ShadowableLayerSet mMutants;
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nsIntRect mTargetBounds;
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ScreenRotation mTargetRotation;
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nsIntRect mClientBounds;
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ScreenOrientation mTargetOrientation;
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bool mSwapRequired;
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private:
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bool mOpen;
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bool mRotationChanged;
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// disabled
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Transaction(const Transaction&);
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Transaction& operator=(const Transaction&);
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};
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struct AutoTxnEnd {
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AutoTxnEnd(Transaction* aTxn) : mTxn(aTxn) {}
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~AutoTxnEnd() { mTxn->End(); }
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Transaction* mTxn;
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};
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void
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CompositableForwarder::IdentifyTextureHost(const TextureFactoryIdentifier& aIdentifier)
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{
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mTextureFactoryIdentifier = aIdentifier;
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}
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ShadowLayerForwarder::ShadowLayerForwarder()
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: mDiagnosticTypes(DiagnosticTypes::NO_DIAGNOSTIC)
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, mIsFirstPaint(false)
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, mWindowOverlayChanged(false)
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{
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mTxn = new Transaction();
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}
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ShadowLayerForwarder::~ShadowLayerForwarder()
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{
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NS_ABORT_IF_FALSE(mTxn->Finished(), "unfinished transaction?");
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delete mTxn;
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if (mShadowManager) {
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mShadowManager->SetForwarder(nullptr);
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mShadowManager->Destroy();
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}
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}
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void
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ShadowLayerForwarder::BeginTransaction(const nsIntRect& aTargetBounds,
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ScreenRotation aRotation,
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const nsIntRect& aClientBounds,
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ScreenOrientation aOrientation)
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{
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NS_ABORT_IF_FALSE(HasShadowManager(), "no manager to forward to");
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NS_ABORT_IF_FALSE(mTxn->Finished(), "uncommitted txn?");
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mTxn->Begin(aTargetBounds, aRotation, aClientBounds, aOrientation);
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}
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static PLayerChild*
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Shadow(ShadowableLayer* aLayer)
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{
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return aLayer->GetShadow();
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}
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template<typename OpCreateT>
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static void
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CreatedLayer(Transaction* aTxn, ShadowableLayer* aLayer)
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{
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aTxn->AddEdit(OpCreateT(nullptr, Shadow(aLayer)));
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}
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void
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ShadowLayerForwarder::CreatedThebesLayer(ShadowableLayer* aThebes)
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{
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CreatedLayer<OpCreateThebesLayer>(mTxn, aThebes);
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}
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void
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ShadowLayerForwarder::CreatedContainerLayer(ShadowableLayer* aContainer)
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{
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CreatedLayer<OpCreateContainerLayer>(mTxn, aContainer);
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}
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void
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ShadowLayerForwarder::CreatedImageLayer(ShadowableLayer* aImage)
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{
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CreatedLayer<OpCreateImageLayer>(mTxn, aImage);
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}
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void
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ShadowLayerForwarder::CreatedColorLayer(ShadowableLayer* aColor)
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{
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CreatedLayer<OpCreateColorLayer>(mTxn, aColor);
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}
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void
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ShadowLayerForwarder::CreatedCanvasLayer(ShadowableLayer* aCanvas)
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{
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CreatedLayer<OpCreateCanvasLayer>(mTxn, aCanvas);
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}
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void
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ShadowLayerForwarder::CreatedRefLayer(ShadowableLayer* aRef)
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{
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CreatedLayer<OpCreateRefLayer>(mTxn, aRef);
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}
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void
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ShadowLayerForwarder::Mutated(ShadowableLayer* aMutant)
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{
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mTxn->AddMutant(aMutant);
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}
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void
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ShadowLayerForwarder::SetRoot(ShadowableLayer* aRoot)
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{
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mTxn->AddEdit(OpSetRoot(nullptr, Shadow(aRoot)));
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}
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void
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ShadowLayerForwarder::InsertAfter(ShadowableLayer* aContainer,
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ShadowableLayer* aChild,
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ShadowableLayer* aAfter)
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{
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if (aAfter)
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mTxn->AddEdit(OpInsertAfter(nullptr, Shadow(aContainer),
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nullptr, Shadow(aChild),
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nullptr, Shadow(aAfter)));
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else
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mTxn->AddEdit(OpPrependChild(nullptr, Shadow(aContainer),
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nullptr, Shadow(aChild)));
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}
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void
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ShadowLayerForwarder::RemoveChild(ShadowableLayer* aContainer,
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ShadowableLayer* aChild)
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{
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MOZ_LAYERS_LOG(("[LayersForwarder] OpRemoveChild container=%p child=%p\n",
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aContainer->AsLayer(), aChild->AsLayer()));
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mTxn->AddEdit(OpRemoveChild(nullptr, Shadow(aContainer),
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nullptr, Shadow(aChild)));
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}
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void
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ShadowLayerForwarder::RepositionChild(ShadowableLayer* aContainer,
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ShadowableLayer* aChild,
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ShadowableLayer* aAfter)
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{
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if (aAfter) {
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MOZ_LAYERS_LOG(("[LayersForwarder] OpRepositionChild container=%p child=%p after=%p",
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aContainer->AsLayer(), aChild->AsLayer(), aAfter->AsLayer()));
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mTxn->AddEdit(OpRepositionChild(nullptr, Shadow(aContainer),
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nullptr, Shadow(aChild),
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nullptr, Shadow(aAfter)));
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} else {
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MOZ_LAYERS_LOG(("[LayersForwarder] OpRaiseToTopChild container=%p child=%p",
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aContainer->AsLayer(), aChild->AsLayer()));
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mTxn->AddEdit(OpRaiseToTopChild(nullptr, Shadow(aContainer),
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nullptr, Shadow(aChild)));
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}
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}
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#ifdef DEBUG
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void
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ShadowLayerForwarder::CheckSurfaceDescriptor(const SurfaceDescriptor* aDescriptor) const
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{
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if (!aDescriptor) {
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return;
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}
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if (aDescriptor->type() == SurfaceDescriptor::TSurfaceDescriptorShmem) {
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const SurfaceDescriptorShmem& shmem = aDescriptor->get_SurfaceDescriptorShmem();
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shmem.data().AssertInvariants();
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MOZ_ASSERT(mShadowManager &&
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mShadowManager->IsTrackingSharedMemory(shmem.data().mSegment));
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}
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}
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#endif
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void
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ShadowLayerForwarder::UseTiledLayerBuffer(CompositableClient* aCompositable,
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const SurfaceDescriptorTiles& aTileLayerDescriptor)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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mTxn->AddNoSwapPaint(OpUseTiledLayerBuffer(nullptr, aCompositable->GetIPDLActor(),
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aTileLayerDescriptor));
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}
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void
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ShadowLayerForwarder::UpdateTextureRegion(CompositableClient* aCompositable,
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const ThebesBufferData& aThebesBufferData,
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const nsIntRegion& aUpdatedRegion)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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mTxn->AddPaint(OpPaintTextureRegion(nullptr, aCompositable->GetIPDLActor(),
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aThebesBufferData,
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aUpdatedRegion));
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}
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void
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ShadowLayerForwarder::UpdateTextureIncremental(CompositableClient* aCompositable,
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TextureIdentifier aTextureId,
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SurfaceDescriptor& aDescriptor,
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const nsIntRegion& aUpdatedRegion,
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const nsIntRect& aBufferRect,
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const nsIntPoint& aBufferRotation)
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{
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CheckSurfaceDescriptor(&aDescriptor);
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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mTxn->AddNoSwapPaint(OpPaintTextureIncremental(nullptr, aCompositable->GetIPDLActor(),
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aTextureId,
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aDescriptor,
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aUpdatedRegion,
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aBufferRect,
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aBufferRotation));
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}
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void
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ShadowLayerForwarder::UpdatePictureRect(CompositableClient* aCompositable,
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const nsIntRect& aRect)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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mTxn->AddNoSwapPaint(OpUpdatePictureRect(nullptr, aCompositable->GetIPDLActor(), aRect));
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}
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void
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ShadowLayerForwarder::UpdatedTexture(CompositableClient* aCompositable,
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TextureClient* aTexture,
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nsIntRegion* aRegion)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aTexture);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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MOZ_ASSERT(aTexture->GetIPDLActor());
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MaybeRegion region = aRegion ? MaybeRegion(*aRegion)
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: MaybeRegion(null_t());
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if (aTexture->GetFlags() & TextureFlags::IMMEDIATE_UPLOAD) {
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mTxn->AddPaint(OpUpdateTexture(nullptr, aCompositable->GetIPDLActor(),
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nullptr, aTexture->GetIPDLActor(),
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region));
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} else {
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mTxn->AddNoSwapPaint(OpUpdateTexture(nullptr, aCompositable->GetIPDLActor(),
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nullptr, aTexture->GetIPDLActor(),
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region));
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}
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}
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void
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ShadowLayerForwarder::UseTexture(CompositableClient* aCompositable,
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TextureClient* aTexture)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aTexture);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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MOZ_ASSERT(aTexture->GetIPDLActor());
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mTxn->AddEdit(OpUseTexture(nullptr, aCompositable->GetIPDLActor(),
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nullptr, aTexture->GetIPDLActor()));
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}
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void
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ShadowLayerForwarder::UseComponentAlphaTextures(CompositableClient* aCompositable,
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TextureClient* aTextureOnBlack,
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TextureClient* aTextureOnWhite)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aTextureOnWhite);
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MOZ_ASSERT(aTextureOnBlack);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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MOZ_ASSERT(aTextureOnBlack->GetIPDLActor());
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MOZ_ASSERT(aTextureOnWhite->GetIPDLActor());
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MOZ_ASSERT(aTextureOnBlack->GetSize() == aTextureOnWhite->GetSize());
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mTxn->AddEdit(OpUseComponentAlphaTextures(nullptr, aCompositable->GetIPDLActor(),
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nullptr, aTextureOnBlack->GetIPDLActor(),
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nullptr, aTextureOnWhite->GetIPDLActor()));
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}
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void
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ShadowLayerForwarder::RemoveTextureFromCompositable(CompositableClient* aCompositable,
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TextureClient* aTexture)
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{
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MOZ_ASSERT(aCompositable);
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MOZ_ASSERT(aTexture);
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MOZ_ASSERT(aCompositable->GetIPDLActor());
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MOZ_ASSERT(aTexture->GetIPDLActor());
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mTxn->AddEdit(OpRemoveTexture(nullptr, aCompositable->GetIPDLActor(),
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nullptr, aTexture->GetIPDLActor()));
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if (aTexture->GetFlags() & TextureFlags::DEALLOCATE_CLIENT) {
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mTxn->MarkSyncTransaction();
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}
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// Hold texture until transaction complete.
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HoldUntilTransaction(aTexture);
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}
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void
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ShadowLayerForwarder::RemoveTexture(TextureClient* aTexture)
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{
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MOZ_ASSERT(aTexture);
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aTexture->ForceRemove();
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}
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bool
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ShadowLayerForwarder::EndTransaction(InfallibleTArray<EditReply>* aReplies,
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const nsIntRegion& aRegionToClear,
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bool aScheduleComposite,
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bool* aSent)
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{
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*aSent = false;
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PROFILER_LABEL("ShadowLayerForwarder", "EndTranscation");
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RenderTraceScope rendertrace("Foward Transaction", "000091");
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NS_ABORT_IF_FALSE(HasShadowManager(), "no manager to forward to");
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NS_ABORT_IF_FALSE(!mTxn->Finished(), "forgot BeginTransaction?");
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DiagnosticTypes diagnostics = gfxPlatform::GetPlatform()->GetLayerDiagnosticTypes();
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if (mDiagnosticTypes != diagnostics) {
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mDiagnosticTypes = diagnostics;
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mTxn->AddEdit(OpSetDiagnosticTypes(diagnostics));
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}
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AutoTxnEnd _(mTxn);
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if (mTxn->Empty() && !mTxn->RotationChanged() && !mWindowOverlayChanged) {
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MOZ_LAYERS_LOG(("[LayersForwarder] 0-length cset (?) and no rotation event, skipping Update()"));
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return true;
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}
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MOZ_LAYERS_LOG(("[LayersForwarder] destroying buffers..."));
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MOZ_LAYERS_LOG(("[LayersForwarder] building transaction..."));
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// We purposely add attribute-change ops to the final changeset
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// before we add paint ops. This allows layers to record the
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// attribute changes before new pixels arrive, which can be useful
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// for setting up back/front buffers.
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RenderTraceScope rendertrace2("Foward Transaction", "000092");
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for (ShadowableLayerSet::const_iterator it = mTxn->mMutants.begin();
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it != mTxn->mMutants.end(); ++it) {
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ShadowableLayer* shadow = *it;
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Layer* mutant = shadow->AsLayer();
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NS_ABORT_IF_FALSE(!!mutant, "unshadowable layer?");
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LayerAttributes attrs;
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CommonLayerAttributes& common = attrs.common();
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common.visibleRegion() = mutant->GetVisibleRegion();
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common.eventRegions() = mutant->GetEventRegions();
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common.postXScale() = mutant->GetPostXScale();
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common.postYScale() = mutant->GetPostYScale();
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common.transform() = mutant->GetBaseTransform();
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common.contentFlags() = mutant->GetContentFlags();
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common.opacity() = mutant->GetOpacity();
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common.useClipRect() = !!mutant->GetClipRect();
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common.clipRect() = (common.useClipRect() ?
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*mutant->GetClipRect() : nsIntRect());
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common.isFixedPosition() = mutant->GetIsFixedPosition();
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common.fixedPositionAnchor() = mutant->GetFixedPositionAnchor();
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common.fixedPositionMargin() = mutant->GetFixedPositionMargins();
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common.isStickyPosition() = mutant->GetIsStickyPosition();
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if (mutant->GetIsStickyPosition()) {
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common.stickyScrollContainerId() = mutant->GetStickyScrollContainerId();
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common.stickyScrollRangeOuter() = mutant->GetStickyScrollRangeOuter();
|
|
common.stickyScrollRangeInner() = mutant->GetStickyScrollRangeInner();
|
|
}
|
|
common.scrollbarTargetContainerId() = mutant->GetScrollbarTargetContainerId();
|
|
common.scrollbarDirection() = mutant->GetScrollbarDirection();
|
|
common.mixBlendMode() = (int8_t)mutant->GetMixBlendMode();
|
|
common.forceIsolatedGroup() = mutant->GetForceIsolatedGroup();
|
|
if (Layer* maskLayer = mutant->GetMaskLayer()) {
|
|
common.maskLayerChild() = Shadow(maskLayer->AsShadowableLayer());
|
|
} else {
|
|
common.maskLayerChild() = nullptr;
|
|
}
|
|
common.maskLayerParent() = nullptr;
|
|
common.animations() = mutant->GetAnimations();
|
|
common.invalidRegion() = mutant->GetInvalidRegion();
|
|
attrs.specific() = null_t();
|
|
mutant->FillSpecificAttributes(attrs.specific());
|
|
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] OpSetLayerAttributes(%p)\n", mutant));
|
|
|
|
mTxn->AddEdit(OpSetLayerAttributes(nullptr, Shadow(shadow), attrs));
|
|
}
|
|
|
|
AutoInfallibleTArray<Edit, 10> cset;
|
|
size_t nCsets = mTxn->mCset.size() + mTxn->mPaints.size();
|
|
NS_ABORT_IF_FALSE(nCsets > 0 || mWindowOverlayChanged, "should have bailed by now");
|
|
|
|
cset.SetCapacity(nCsets);
|
|
if (!mTxn->mCset.empty()) {
|
|
cset.AppendElements(&mTxn->mCset.front(), mTxn->mCset.size());
|
|
}
|
|
// Paints after non-paint ops, including attribute changes. See
|
|
// above.
|
|
if (!mTxn->mPaints.empty()) {
|
|
cset.AppendElements(&mTxn->mPaints.front(), mTxn->mPaints.size());
|
|
}
|
|
|
|
mWindowOverlayChanged = false;
|
|
|
|
TargetConfig targetConfig(mTxn->mTargetBounds,
|
|
mTxn->mTargetRotation,
|
|
mTxn->mClientBounds,
|
|
mTxn->mTargetOrientation,
|
|
aRegionToClear);
|
|
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] syncing before send..."));
|
|
PlatformSyncBeforeUpdate();
|
|
|
|
profiler_tracing("Paint", "Rasterize", TRACING_INTERVAL_END);
|
|
if (mTxn->mSwapRequired) {
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] sending transaction..."));
|
|
RenderTraceScope rendertrace3("Forward Transaction", "000093");
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen() ||
|
|
!mShadowManager->SendUpdate(cset, targetConfig, mIsFirstPaint,
|
|
aScheduleComposite, aReplies)) {
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
|
|
return false;
|
|
}
|
|
} else {
|
|
// If we don't require a swap we can call SendUpdateNoSwap which
|
|
// assumes that aReplies is empty (DEBUG assertion)
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] sending no swap transaction..."));
|
|
RenderTraceScope rendertrace3("Forward NoSwap Transaction", "000093");
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen() ||
|
|
!mShadowManager->SendUpdateNoSwap(cset, targetConfig, mIsFirstPaint, aScheduleComposite)) {
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
*aSent = true;
|
|
mIsFirstPaint = false;
|
|
MOZ_LAYERS_LOG(("[LayersForwarder] ... done"));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ShadowLayerForwarder::AllocShmem(size_t aSize,
|
|
ipc::SharedMemory::SharedMemoryType aType,
|
|
ipc::Shmem* aShmem)
|
|
{
|
|
NS_ABORT_IF_FALSE(HasShadowManager(), "no shadow manager");
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return false;
|
|
}
|
|
return mShadowManager->AllocShmem(aSize, aType, aShmem);
|
|
}
|
|
bool
|
|
ShadowLayerForwarder::AllocUnsafeShmem(size_t aSize,
|
|
ipc::SharedMemory::SharedMemoryType aType,
|
|
ipc::Shmem* aShmem)
|
|
{
|
|
NS_ABORT_IF_FALSE(HasShadowManager(), "no shadow manager");
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return false;
|
|
}
|
|
return mShadowManager->AllocUnsafeShmem(aSize, aType, aShmem);
|
|
}
|
|
void
|
|
ShadowLayerForwarder::DeallocShmem(ipc::Shmem& aShmem)
|
|
{
|
|
NS_ABORT_IF_FALSE(HasShadowManager(), "no shadow manager");
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return;
|
|
}
|
|
mShadowManager->DeallocShmem(aShmem);
|
|
}
|
|
|
|
bool
|
|
ShadowLayerForwarder::IPCOpen() const
|
|
{
|
|
return mShadowManager->IPCOpen();
|
|
}
|
|
|
|
bool
|
|
ShadowLayerForwarder::IsSameProcess() const
|
|
{
|
|
if (!mShadowManager->IPCOpen()) {
|
|
return false;
|
|
}
|
|
return mShadowManager->OtherProcess() == kInvalidProcessHandle;
|
|
}
|
|
|
|
/**
|
|
* We bail out when we have no shadow manager. That can happen when the
|
|
* layer manager is created by the preallocated process.
|
|
* See bug 914843 for details.
|
|
*/
|
|
PLayerChild*
|
|
ShadowLayerForwarder::ConstructShadowFor(ShadowableLayer* aLayer)
|
|
{
|
|
NS_ABORT_IF_FALSE(HasShadowManager(), "no manager to forward to");
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return nullptr;
|
|
}
|
|
return mShadowManager->SendPLayerConstructor(new ShadowLayerChild(aLayer));
|
|
}
|
|
|
|
#if !defined(MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS)
|
|
|
|
/*static*/ void
|
|
ShadowLayerForwarder::PlatformSyncBeforeUpdate()
|
|
{
|
|
}
|
|
|
|
#endif // !defined(MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS)
|
|
|
|
void
|
|
ShadowLayerForwarder::Connect(CompositableClient* aCompositable)
|
|
{
|
|
#ifdef GFX_COMPOSITOR_LOGGING
|
|
printf("ShadowLayerForwarder::Connect(Compositable)\n");
|
|
#endif
|
|
MOZ_ASSERT(aCompositable);
|
|
MOZ_ASSERT(mShadowManager);
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return;
|
|
}
|
|
PCompositableChild* actor =
|
|
mShadowManager->SendPCompositableConstructor(aCompositable->GetTextureInfo());
|
|
MOZ_ASSERT(actor);
|
|
aCompositable->InitIPDLActor(actor);
|
|
}
|
|
|
|
void
|
|
ShadowLayerForwarder::CreatedIncrementalBuffer(CompositableClient* aCompositable,
|
|
const TextureInfo& aTextureInfo,
|
|
const nsIntRect& aBufferRect)
|
|
{
|
|
MOZ_ASSERT(aCompositable);
|
|
mTxn->AddNoSwapPaint(OpCreatedIncrementalTexture(nullptr, aCompositable->GetIPDLActor(),
|
|
aTextureInfo, aBufferRect));
|
|
}
|
|
|
|
void ShadowLayerForwarder::Attach(CompositableClient* aCompositable,
|
|
ShadowableLayer* aLayer)
|
|
{
|
|
MOZ_ASSERT(aLayer);
|
|
MOZ_ASSERT(aCompositable);
|
|
MOZ_ASSERT(aCompositable->GetIPDLActor());
|
|
mTxn->AddEdit(OpAttachCompositable(nullptr, Shadow(aLayer),
|
|
nullptr, aCompositable->GetIPDLActor()));
|
|
}
|
|
|
|
void ShadowLayerForwarder::AttachAsyncCompositable(uint64_t aCompositableID,
|
|
ShadowableLayer* aLayer)
|
|
{
|
|
MOZ_ASSERT(aLayer);
|
|
MOZ_ASSERT(aCompositableID != 0); // zero is always an invalid compositable id.
|
|
mTxn->AddEdit(OpAttachAsyncCompositable(nullptr, Shadow(aLayer),
|
|
aCompositableID));
|
|
}
|
|
|
|
PTextureChild*
|
|
ShadowLayerForwarder::CreateTexture(const SurfaceDescriptor& aSharedData,
|
|
TextureFlags aFlags)
|
|
{
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return nullptr;
|
|
}
|
|
return mShadowManager->SendPTextureConstructor(aSharedData, aFlags);
|
|
}
|
|
|
|
|
|
void ShadowLayerForwarder::SetShadowManager(PLayerTransactionChild* aShadowManager)
|
|
{
|
|
mShadowManager = static_cast<LayerTransactionChild*>(aShadowManager);
|
|
mShadowManager->SetForwarder(this);
|
|
}
|
|
|
|
void ShadowLayerForwarder::StopReceiveAsyncParentMessge()
|
|
{
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return;
|
|
}
|
|
SendPendingAsyncMessge();
|
|
mShadowManager->SetForwarder(nullptr);
|
|
}
|
|
|
|
void ShadowLayerForwarder::ClearCachedResources()
|
|
{
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return;
|
|
}
|
|
SendPendingAsyncMessge();
|
|
mShadowManager->SendClearCachedResources();
|
|
}
|
|
|
|
void ShadowLayerForwarder::Composite()
|
|
{
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen()) {
|
|
return;
|
|
}
|
|
mShadowManager->SendForceComposite();
|
|
}
|
|
|
|
void ShadowLayerForwarder::SendPendingAsyncMessge()
|
|
{
|
|
if (!HasShadowManager() ||
|
|
!mShadowManager->IPCOpen() ||
|
|
mTransactionsToRespond.empty()) {
|
|
return;
|
|
}
|
|
// Send OpReplyDeliverFence messages
|
|
InfallibleTArray<AsyncChildMessageData> replies;
|
|
replies.SetCapacity(mTransactionsToRespond.size());
|
|
for (size_t i = 0; i < mTransactionsToRespond.size(); i++) {
|
|
replies.AppendElement(OpReplyDeliverFence(mTransactionsToRespond[i]));
|
|
}
|
|
mTransactionsToRespond.clear();
|
|
mShadowManager->SendChildAsyncMessages(replies);
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|