1099 lines
35 KiB
C++
1099 lines
35 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 "LayerTransactionParent.h"
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#include <vector> // for vector
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#include "apz/src/AsyncPanZoomController.h"
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#include "CompositableHost.h" // for CompositableParent, Get, etc
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#include "ImageLayers.h" // for ImageLayer
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#include "Layers.h" // for Layer, ContainerLayer, etc
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#include "ShadowLayerParent.h" // for ShadowLayerParent
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#include "CompositableTransactionParent.h" // for EditReplyVector
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#include "CompositorBridgeParent.h"
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#include "gfxPrefs.h"
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#include "mozilla/gfx/BasePoint3D.h" // for BasePoint3D
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#include "mozilla/layers/CanvasLayerComposite.h"
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#include "mozilla/layers/ColorLayerComposite.h"
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#include "mozilla/layers/Compositor.h" // for Compositor
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#include "mozilla/layers/ContainerLayerComposite.h"
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#include "mozilla/layers/ImageBridgeParent.h" // for ImageBridgeParent
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#include "mozilla/layers/ImageLayerComposite.h"
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#include "mozilla/layers/LayerManagerComposite.h"
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#include "mozilla/layers/LayersMessages.h" // for EditReply, etc
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#include "mozilla/layers/LayersSurfaces.h" // for PGrallocBufferParent
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#include "mozilla/layers/LayersTypes.h" // for MOZ_LAYERS_LOG
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#include "mozilla/layers/PCompositableParent.h"
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#include "mozilla/layers/PLayerParent.h" // for PLayerParent
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#include "mozilla/layers/TextureHostOGL.h" // for TextureHostOGL
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#include "mozilla/layers/PaintedLayerComposite.h"
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#include "mozilla/mozalloc.h" // for operator delete, etc
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#include "mozilla/Unused.h"
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#include "nsCoord.h" // for NSAppUnitsToFloatPixels
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#include "nsDebug.h" // for NS_RUNTIMEABORT
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#include "nsDeviceContext.h" // for AppUnitsPerCSSPixel
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#include "nsISupportsImpl.h" // for Layer::Release, etc
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#include "nsLayoutUtils.h" // for nsLayoutUtils
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#include "nsMathUtils.h" // for NS_round
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#include "nsPoint.h" // for nsPoint
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#include "nsTArray.h" // for nsTArray, nsTArray_Impl, etc
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#include "TreeTraversal.h" // for ForEachNode
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#include "GeckoProfiler.h"
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#include "mozilla/layers/TextureHost.h"
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#include "mozilla/layers/AsyncCompositionManager.h"
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typedef std::vector<mozilla::layers::EditReply> EditReplyVector;
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using mozilla::layout::RenderFrameParent;
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namespace mozilla {
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namespace layers {
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//--------------------------------------------------
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// Convenience accessors
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static ShadowLayerParent*
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cast(const PLayerParent* in)
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{
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return const_cast<ShadowLayerParent*>(
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static_cast<const ShadowLayerParent*>(in));
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}
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template<class OpCreateT>
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static ShadowLayerParent*
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AsLayerComposite(const OpCreateT& op)
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{
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return cast(op.layerParent());
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}
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static ShadowLayerParent*
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AsLayerComposite(const OpSetRoot& op)
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{
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return cast(op.rootParent());
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}
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static ShadowLayerParent*
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ShadowContainer(const OpInsertAfter& op)
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{
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return cast(op.containerParent());
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}
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static ShadowLayerParent*
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ShadowChild(const OpInsertAfter& op)
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{
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return cast(op.childLayerParent());
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}
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static ShadowLayerParent*
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ShadowAfter(const OpInsertAfter& op)
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{
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return cast(op.afterParent());
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}
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static ShadowLayerParent*
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ShadowContainer(const OpPrependChild& op)
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{
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return cast(op.containerParent());
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}
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static ShadowLayerParent*
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ShadowChild(const OpPrependChild& op)
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{
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return cast(op.childLayerParent());
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}
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static ShadowLayerParent*
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ShadowContainer(const OpRemoveChild& op)
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{
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return cast(op.containerParent());
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}
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static ShadowLayerParent*
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ShadowChild(const OpRemoveChild& op)
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{
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return cast(op.childLayerParent());
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}
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static ShadowLayerParent*
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ShadowContainer(const OpRepositionChild& op)
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{
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return cast(op.containerParent());
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}
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static ShadowLayerParent*
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ShadowChild(const OpRepositionChild& op)
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{
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return cast(op.childLayerParent());
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}
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static ShadowLayerParent*
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ShadowAfter(const OpRepositionChild& op)
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{
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return cast(op.afterParent());
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}
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static ShadowLayerParent*
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ShadowContainer(const OpRaiseToTopChild& op)
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{
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return cast(op.containerParent());
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}
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static ShadowLayerParent*
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ShadowChild(const OpRaiseToTopChild& op)
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{
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return cast(op.childLayerParent());
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}
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//--------------------------------------------------
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// LayerTransactionParent
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LayerTransactionParent::LayerTransactionParent(LayerManagerComposite* aManager,
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CompositorBridgeParentBase* aBridge,
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uint64_t aId)
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: mLayerManager(aManager)
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, mCompositorBridge(aBridge)
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, mId(aId)
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, mChildEpoch(0)
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, mParentEpoch(0)
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, mPendingTransaction(0)
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, mPendingCompositorUpdates(0)
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, mDestroyed(false)
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, mIPCOpen(false)
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{
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}
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LayerTransactionParent::~LayerTransactionParent()
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{
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}
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void
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LayerTransactionParent::SetLayerManager(LayerManagerComposite* aLayerManager)
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{
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mLayerManager = aLayerManager;
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const ManagedContainer<PLayerParent>& layers = ManagedPLayerParent();
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for (auto iter = layers.ConstIter(); !iter.Done(); iter.Next()) {
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ShadowLayerParent* slp =
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static_cast<ShadowLayerParent*>(iter.Get()->GetKey());
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if (slp->AsLayer() && slp->AsLayer()->AsLayerComposite()) {
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slp->AsLayer()->AsLayerComposite()->SetLayerManager(aLayerManager);
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}
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}
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}
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bool
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LayerTransactionParent::RecvShutdown()
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{
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Destroy();
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return Send__delete__(this);
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}
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void
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LayerTransactionParent::Destroy()
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{
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const ManagedContainer<PLayerParent>& layers = ManagedPLayerParent();
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for (auto iter = layers.ConstIter(); !iter.Done(); iter.Next()) {
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ShadowLayerParent* slp =
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static_cast<ShadowLayerParent*>(iter.Get()->GetKey());
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slp->Destroy();
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}
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mDestroyed = true;
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}
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bool
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LayerTransactionParent::RecvUpdateNoSwap(InfallibleTArray<Edit>&& cset,
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InfallibleTArray<OpDestroy>&& aToDestroy,
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const uint64_t& aFwdTransactionId,
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const uint64_t& aTransactionId,
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const TargetConfig& targetConfig,
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PluginsArray&& aPlugins,
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const bool& isFirstPaint,
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const bool& scheduleComposite,
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const uint32_t& paintSequenceNumber,
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const bool& isRepeatTransaction,
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const mozilla::TimeStamp& aTransactionStart,
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const int32_t& aPaintSyncId)
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{
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return RecvUpdate(Move(cset), Move(aToDestroy), aFwdTransactionId,
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aTransactionId, targetConfig, Move(aPlugins), isFirstPaint,
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scheduleComposite, paintSequenceNumber, isRepeatTransaction,
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aTransactionStart, aPaintSyncId, nullptr);
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}
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class MOZ_STACK_CLASS AutoLayerTransactionParentAsyncMessageSender
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{
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public:
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explicit AutoLayerTransactionParentAsyncMessageSender(LayerTransactionParent* aLayerTransaction,
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InfallibleTArray<OpDestroy>* aDestroyActors = nullptr)
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: mLayerTransaction(aLayerTransaction)
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, mActorsToDestroy(aDestroyActors)
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{
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mLayerTransaction->SetAboutToSendAsyncMessages();
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}
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~AutoLayerTransactionParentAsyncMessageSender()
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{
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mLayerTransaction->SendPendingAsyncMessages();
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if (mActorsToDestroy) {
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// Destroy the actors after sending the async messages because the latter may contain
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// references to some actors.
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for (const auto& op : *mActorsToDestroy) {
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mLayerTransaction->DestroyActor(op);
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}
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}
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}
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private:
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LayerTransactionParent* mLayerTransaction;
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InfallibleTArray<OpDestroy>* mActorsToDestroy;
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};
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bool
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LayerTransactionParent::RecvPaintTime(const uint64_t& aTransactionId,
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const TimeDuration& aPaintTime)
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{
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mCompositorBridge->UpdatePaintTime(this, aPaintTime);
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return true;
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}
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bool
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LayerTransactionParent::RecvUpdate(InfallibleTArray<Edit>&& cset,
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InfallibleTArray<OpDestroy>&& aToDestroy,
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const uint64_t& aFwdTransactionId,
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const uint64_t& aTransactionId,
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const TargetConfig& targetConfig,
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PluginsArray&& aPlugins,
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const bool& isFirstPaint,
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const bool& scheduleComposite,
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const uint32_t& paintSequenceNumber,
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const bool& isRepeatTransaction,
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const mozilla::TimeStamp& aTransactionStart,
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const int32_t& aPaintSyncId,
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InfallibleTArray<EditReply>* reply)
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{
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profiler_tracing("Paint", "LayerTransaction", TRACING_INTERVAL_START);
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PROFILER_LABEL("LayerTransactionParent", "RecvUpdate",
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js::ProfileEntry::Category::GRAPHICS);
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#ifdef COMPOSITOR_PERFORMANCE_WARNING
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TimeStamp updateStart = TimeStamp::Now();
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#endif
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MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));
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UpdateFwdTransactionId(aFwdTransactionId);
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if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
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for (const auto& op : aToDestroy) {
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DestroyActor(op);
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}
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return true;
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}
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// This ensures that destroy operations are always processed. It is not safe
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// to early-return from RecvUpdate without doing so.
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AutoLayerTransactionParentAsyncMessageSender autoAsyncMessageSender(this, &aToDestroy);
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EditReplyVector replyv;
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{
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AutoResolveRefLayers resolve(mCompositorBridge->GetCompositionManager(this));
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layer_manager()->BeginTransaction();
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}
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// not all edits require an update to the hit testing tree
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bool updateHitTestingTree = false;
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for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
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const Edit& edit = cset[i];
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switch (edit.type()) {
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// Create* ops
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case Edit::TOpCreatePaintedLayer: {
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MOZ_LAYERS_LOG(("[ParentSide] CreatePaintedLayer"));
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RefPtr<PaintedLayerComposite> layer =
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layer_manager()->CreatePaintedLayerComposite();
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AsLayerComposite(edit.get_OpCreatePaintedLayer())->Bind(layer);
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updateHitTestingTree = true;
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break;
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}
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case Edit::TOpCreateContainerLayer: {
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MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));
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RefPtr<ContainerLayer> layer = layer_manager()->CreateContainerLayerComposite();
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AsLayerComposite(edit.get_OpCreateContainerLayer())->Bind(layer);
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updateHitTestingTree = true;
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break;
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}
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case Edit::TOpCreateImageLayer: {
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MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));
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RefPtr<ImageLayerComposite> layer =
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layer_manager()->CreateImageLayerComposite();
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AsLayerComposite(edit.get_OpCreateImageLayer())->Bind(layer);
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updateHitTestingTree = true;
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break;
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}
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case Edit::TOpCreateColorLayer: {
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MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));
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RefPtr<ColorLayerComposite> layer = layer_manager()->CreateColorLayerComposite();
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AsLayerComposite(edit.get_OpCreateColorLayer())->Bind(layer);
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updateHitTestingTree = true;
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break;
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}
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case Edit::TOpCreateCanvasLayer: {
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MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));
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RefPtr<CanvasLayerComposite> layer =
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layer_manager()->CreateCanvasLayerComposite();
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AsLayerComposite(edit.get_OpCreateCanvasLayer())->Bind(layer);
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updateHitTestingTree = true;
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break;
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}
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case Edit::TOpCreateRefLayer: {
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MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));
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RefPtr<RefLayerComposite> layer =
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layer_manager()->CreateRefLayerComposite();
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AsLayerComposite(edit.get_OpCreateRefLayer())->Bind(layer);
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updateHitTestingTree = true;
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break;
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}
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// Attributes
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case Edit::TOpSetLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));
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const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
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ShadowLayerParent* layerParent = AsLayerComposite(osla);
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Layer* layer = layerParent->AsLayer();
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if (!layer) {
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return false;
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}
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const LayerAttributes& attrs = osla.attrs();
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const CommonLayerAttributes& common = attrs.common();
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layer->SetLayerBounds(common.layerBounds());
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layer->SetVisibleRegion(common.visibleRegion());
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layer->SetEventRegions(common.eventRegions());
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layer->SetContentFlags(common.contentFlags());
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layer->SetOpacity(common.opacity());
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layer->SetClipRect(common.useClipRect() ? Some(common.clipRect()) : Nothing());
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layer->SetScrolledClip(common.scrolledClip());
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layer->SetBaseTransform(common.transform().value());
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layer->SetTransformIsPerspective(common.transformIsPerspective());
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layer->SetPostScale(common.postXScale(), common.postYScale());
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layer->SetIsFixedPosition(common.isFixedPosition());
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if (common.isFixedPosition()) {
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layer->SetFixedPositionData(common.fixedPositionScrollContainerId(),
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common.fixedPositionAnchor(),
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common.fixedPositionSides());
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}
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if (common.isStickyPosition()) {
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layer->SetStickyPositionData(common.stickyScrollContainerId(),
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common.stickyScrollRangeOuter(),
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common.stickyScrollRangeInner());
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}
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layer->SetScrollbarData(common.scrollbarTargetContainerId(),
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static_cast<Layer::ScrollDirection>(common.scrollbarDirection()),
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common.scrollbarThumbRatio());
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if (common.isScrollbarContainer()) {
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layer->SetIsScrollbarContainer();
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}
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layer->SetMixBlendMode((gfx::CompositionOp)common.mixBlendMode());
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layer->SetForceIsolatedGroup(common.forceIsolatedGroup());
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if (PLayerParent* maskLayer = common.maskLayerParent()) {
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layer->SetMaskLayer(cast(maskLayer)->AsLayer());
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} else {
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layer->SetMaskLayer(nullptr);
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}
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layer->SetAnimations(common.animations());
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layer->SetScrollMetadata(common.scrollMetadata());
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layer->SetDisplayListLog(common.displayListLog().get());
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// The updated invalid region is added to the existing one, since we can
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// update multiple times before the next composite.
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layer->AddInvalidRegion(common.invalidRegion());
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nsTArray<RefPtr<Layer>> maskLayers;
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for (size_t i = 0; i < common.ancestorMaskLayersParent().Length(); i++) {
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Layer* maskLayer = cast(common.ancestorMaskLayersParent().ElementAt(i))->AsLayer();
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maskLayers.AppendElement(maskLayer);
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}
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layer->SetAncestorMaskLayers(maskLayers);
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typedef SpecificLayerAttributes Specific;
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const SpecificLayerAttributes& specific = attrs.specific();
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switch (specific.type()) {
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case Specific::Tnull_t:
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break;
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case Specific::TPaintedLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] painted layer"));
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PaintedLayerComposite* paintedLayer = layerParent->AsPaintedLayerComposite();
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if (!paintedLayer) {
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return false;
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}
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const PaintedLayerAttributes& attrs =
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specific.get_PaintedLayerAttributes();
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paintedLayer->SetValidRegion(attrs.validRegion());
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break;
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}
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case Specific::TContainerLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] container layer"));
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ContainerLayerComposite* containerLayer = layerParent->AsContainerLayerComposite();
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if (!containerLayer) {
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return false;
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}
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const ContainerLayerAttributes& attrs =
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specific.get_ContainerLayerAttributes();
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containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
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containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
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containerLayer->SetScaleToResolution(attrs.scaleToResolution(),
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attrs.presShellResolution());
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containerLayer->SetEventRegionsOverride(attrs.eventRegionsOverride());
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break;
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}
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case Specific::TColorLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] color layer"));
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ColorLayerComposite* colorLayer = layerParent->AsColorLayerComposite();
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if (!colorLayer) {
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return false;
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}
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colorLayer->SetColor(specific.get_ColorLayerAttributes().color().value());
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colorLayer->SetBounds(specific.get_ColorLayerAttributes().bounds());
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break;
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}
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case Specific::TCanvasLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] canvas layer"));
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CanvasLayerComposite* canvasLayer = layerParent->AsCanvasLayerComposite();
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if (!canvasLayer) {
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return false;
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}
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canvasLayer->SetSamplingFilter(specific.get_CanvasLayerAttributes().samplingFilter());
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canvasLayer->SetBounds(specific.get_CanvasLayerAttributes().bounds());
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break;
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}
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case Specific::TRefLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] ref layer"));
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RefLayerComposite* refLayer = layerParent->AsRefLayerComposite();
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if (!refLayer) {
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return false;
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}
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refLayer->SetReferentId(specific.get_RefLayerAttributes().id());
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refLayer->SetEventRegionsOverride(specific.get_RefLayerAttributes().eventRegionsOverride());
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break;
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}
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case Specific::TImageLayerAttributes: {
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MOZ_LAYERS_LOG(("[ParentSide] image layer"));
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ImageLayerComposite* imageLayer = layerParent->AsImageLayerComposite();
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if (!imageLayer) {
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return false;
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}
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const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
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imageLayer->SetSamplingFilter(attrs.samplingFilter());
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imageLayer->SetScaleToSize(attrs.scaleToSize(), attrs.scaleMode());
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break;
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}
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default:
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NS_RUNTIMEABORT("not reached");
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}
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updateHitTestingTree = true;
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break;
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}
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case Edit::TOpSetDiagnosticTypes: {
|
|
mLayerManager->GetCompositor()->SetDiagnosticTypes(
|
|
edit.get_OpSetDiagnosticTypes().diagnostics());
|
|
break;
|
|
}
|
|
case Edit::TOpWindowOverlayChanged: {
|
|
mLayerManager->SetWindowOverlayChanged();
|
|
break;
|
|
}
|
|
// Tree ops
|
|
case Edit::TOpSetRoot: {
|
|
MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));
|
|
|
|
Layer* newRoot = AsLayerComposite(edit.get_OpSetRoot())->AsLayer();
|
|
if (!newRoot) {
|
|
return false;
|
|
}
|
|
if (newRoot->GetParent()) {
|
|
// newRoot is not a root!
|
|
return false;
|
|
}
|
|
mRoot = newRoot;
|
|
|
|
updateHitTestingTree = true;
|
|
break;
|
|
}
|
|
case Edit::TOpInsertAfter: {
|
|
MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));
|
|
|
|
const OpInsertAfter& oia = edit.get_OpInsertAfter();
|
|
Layer* child = ShadowChild(oia)->AsLayer();
|
|
if (!child) {
|
|
return false;
|
|
}
|
|
ContainerLayerComposite* container = ShadowContainer(oia)->AsContainerLayerComposite();
|
|
if (!container ||
|
|
!container->InsertAfter(child, ShadowAfter(oia)->AsLayer()))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
updateHitTestingTree = true;
|
|
break;
|
|
}
|
|
case Edit::TOpPrependChild: {
|
|
MOZ_LAYERS_LOG(("[ParentSide] PrependChild"));
|
|
|
|
const OpPrependChild& oac = edit.get_OpPrependChild();
|
|
Layer* child = ShadowChild(oac)->AsLayer();
|
|
if (!child) {
|
|
return false;
|
|
}
|
|
ContainerLayerComposite* container = ShadowContainer(oac)->AsContainerLayerComposite();
|
|
if (!container ||
|
|
!container->InsertAfter(child, nullptr))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
updateHitTestingTree = true;
|
|
break;
|
|
}
|
|
case Edit::TOpRemoveChild: {
|
|
MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));
|
|
|
|
const OpRemoveChild& orc = edit.get_OpRemoveChild();
|
|
Layer* childLayer = ShadowChild(orc)->AsLayer();
|
|
if (!childLayer) {
|
|
return false;
|
|
}
|
|
ContainerLayerComposite* container = ShadowContainer(orc)->AsContainerLayerComposite();
|
|
if (!container ||
|
|
!container->RemoveChild(childLayer))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
updateHitTestingTree = true;
|
|
break;
|
|
}
|
|
case Edit::TOpRepositionChild: {
|
|
MOZ_LAYERS_LOG(("[ParentSide] RepositionChild"));
|
|
|
|
const OpRepositionChild& orc = edit.get_OpRepositionChild();
|
|
Layer* child = ShadowChild(orc)->AsLayer();
|
|
if (!child) {
|
|
return false;
|
|
}
|
|
ContainerLayerComposite* container = ShadowContainer(orc)->AsContainerLayerComposite();
|
|
if (!container ||
|
|
!container->RepositionChild(child, ShadowAfter(orc)->AsLayer()))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
updateHitTestingTree = true;
|
|
break;
|
|
}
|
|
case Edit::TOpRaiseToTopChild: {
|
|
MOZ_LAYERS_LOG(("[ParentSide] RaiseToTopChild"));
|
|
|
|
const OpRaiseToTopChild& rtc = edit.get_OpRaiseToTopChild();
|
|
Layer* child = ShadowChild(rtc)->AsLayer();
|
|
if (!child) {
|
|
return false;
|
|
}
|
|
ContainerLayerComposite* container = ShadowContainer(rtc)->AsContainerLayerComposite();
|
|
if (!container ||
|
|
!container->RepositionChild(child, nullptr))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
updateHitTestingTree = true;
|
|
break;
|
|
}
|
|
case Edit::TCompositableOperation: {
|
|
if (!ReceiveCompositableUpdate(edit.get_CompositableOperation(),
|
|
replyv)) {
|
|
return false;
|
|
}
|
|
break;
|
|
}
|
|
case Edit::TOpAttachCompositable: {
|
|
const OpAttachCompositable& op = edit.get_OpAttachCompositable();
|
|
CompositableHost* host = CompositableHost::FromIPDLActor(op.compositableParent());
|
|
if (mPendingCompositorUpdates) {
|
|
// Do not attach compositables from old layer trees. Return true since
|
|
// content cannot handle errors.
|
|
return true;
|
|
}
|
|
if (!Attach(cast(op.layerParent()), host, false)) {
|
|
return false;
|
|
}
|
|
host->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
|
|
break;
|
|
}
|
|
case Edit::TOpAttachAsyncCompositable: {
|
|
const OpAttachAsyncCompositable& op = edit.get_OpAttachAsyncCompositable();
|
|
PCompositableParent* compositableParent = CompositableMap::Get(op.containerID());
|
|
if (!compositableParent) {
|
|
NS_ERROR("CompositableParent not found in the map");
|
|
return false;
|
|
}
|
|
if (mPendingCompositorUpdates) {
|
|
// Do not attach compositables from old layer trees. Return true since
|
|
// content cannot handle errors.
|
|
return true;
|
|
}
|
|
CompositableHost* host = CompositableHost::FromIPDLActor(compositableParent);
|
|
if (!Attach(cast(op.layerParent()), host, true)) {
|
|
return false;
|
|
}
|
|
host->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
|
|
break;
|
|
}
|
|
default:
|
|
NS_RUNTIMEABORT("not reached");
|
|
}
|
|
}
|
|
|
|
mCompositorBridge->ShadowLayersUpdated(this, aTransactionId, targetConfig,
|
|
aPlugins, isFirstPaint, scheduleComposite,
|
|
paintSequenceNumber, isRepeatTransaction,
|
|
aPaintSyncId, updateHitTestingTree);
|
|
|
|
{
|
|
AutoResolveRefLayers resolve(mCompositorBridge->GetCompositionManager(this));
|
|
layer_manager()->EndTransaction(TimeStamp(), LayerManager::END_NO_IMMEDIATE_REDRAW);
|
|
}
|
|
|
|
if (reply) {
|
|
reply->SetCapacity(replyv.size());
|
|
if (replyv.size() > 0) {
|
|
reply->AppendElements(&replyv.front(), replyv.size());
|
|
}
|
|
}
|
|
|
|
if (!IsSameProcess()) {
|
|
// Ensure that any pending operations involving back and front
|
|
// buffers have completed, so that neither process stomps on the
|
|
// other's buffer contents.
|
|
LayerManagerComposite::PlatformSyncBeforeReplyUpdate();
|
|
}
|
|
|
|
#ifdef COMPOSITOR_PERFORMANCE_WARNING
|
|
int compositeTime = (int)(mozilla::TimeStamp::Now() - updateStart).ToMilliseconds();
|
|
if (compositeTime > 15) {
|
|
printf_stderr("Compositor: Layers update took %i ms (blocking gecko).\n", compositeTime);
|
|
}
|
|
#endif
|
|
|
|
// Enable visual warning for long transaction when draw FPS option is enabled
|
|
bool drawFps = gfxPrefs::LayersDrawFPS();
|
|
if (drawFps) {
|
|
uint32_t visualWarningTrigger = gfxPrefs::LayerTransactionWarning();
|
|
// The default theshold is 200ms to trigger, hit red when it take 4 times longer
|
|
TimeDuration latency = TimeStamp::Now() - aTransactionStart;
|
|
if (latency > TimeDuration::FromMilliseconds(visualWarningTrigger)) {
|
|
float severity = (latency - TimeDuration::FromMilliseconds(visualWarningTrigger)).ToMilliseconds() /
|
|
(4 * visualWarningTrigger);
|
|
if (severity > 1.f) {
|
|
severity = 1.f;
|
|
}
|
|
mLayerManager->VisualFrameWarning(severity);
|
|
PR_LogPrint("LayerTransactionParent::RecvUpdate transaction from process %d took %f ms",
|
|
OtherPid(),
|
|
latency.ToMilliseconds());
|
|
}
|
|
}
|
|
|
|
profiler_tracing("Paint", "LayerTransaction", TRACING_INTERVAL_END);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvSetLayerObserverEpoch(const uint64_t& aLayerObserverEpoch)
|
|
{
|
|
mChildEpoch = aLayerObserverEpoch;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::ShouldParentObserveEpoch()
|
|
{
|
|
if (mParentEpoch == mChildEpoch) {
|
|
return false;
|
|
}
|
|
|
|
mParentEpoch = mChildEpoch;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvSetTestSampleTime(const TimeStamp& aTime)
|
|
{
|
|
return mCompositorBridge->SetTestSampleTime(this, aTime);
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvLeaveTestMode()
|
|
{
|
|
mCompositorBridge->LeaveTestMode(this);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvGetAnimationOpacity(PLayerParent* aParent,
|
|
float* aOpacity,
|
|
bool* aHasAnimationOpacity)
|
|
{
|
|
*aHasAnimationOpacity = false;
|
|
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
|
|
return false;
|
|
}
|
|
|
|
Layer* layer = cast(aParent)->AsLayer();
|
|
if (!layer) {
|
|
return false;
|
|
}
|
|
|
|
mCompositorBridge->ApplyAsyncProperties(this);
|
|
|
|
if (!layer->AsLayerComposite()->GetShadowOpacitySetByAnimation()) {
|
|
return true;
|
|
}
|
|
|
|
*aOpacity = layer->GetLocalOpacity();
|
|
*aHasAnimationOpacity = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvGetAnimationTransform(PLayerParent* aParent,
|
|
MaybeTransform* aTransform)
|
|
{
|
|
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
|
|
return false;
|
|
}
|
|
|
|
Layer* layer = cast(aParent)->AsLayer();
|
|
if (!layer) {
|
|
return false;
|
|
}
|
|
|
|
// Make sure we apply the latest animation style or else we can end up with
|
|
// a race between when we temporarily clear the animation transform (in
|
|
// CompositorBridgeParent::SetShadowProperties) and when animation recalculates
|
|
// the value.
|
|
mCompositorBridge->ApplyAsyncProperties(this);
|
|
|
|
// This method is specific to transforms applied by animation.
|
|
// This is because this method uses the information stored with an animation
|
|
// such as the origin of the reference frame corresponding to the layer, to
|
|
// recover the untranslated transform from the shadow transform. For
|
|
// transforms that are not set by animation we don't have this information
|
|
// available.
|
|
if (!layer->AsLayerComposite()->GetShadowTransformSetByAnimation()) {
|
|
*aTransform = mozilla::void_t();
|
|
return true;
|
|
}
|
|
|
|
// The following code recovers the untranslated transform
|
|
// from the shadow transform by undoing the translations in
|
|
// AsyncCompositionManager::SampleValue.
|
|
|
|
Matrix4x4 transform = layer->AsLayerComposite()->GetShadowBaseTransform();
|
|
if (ContainerLayer* c = layer->AsContainerLayer()) {
|
|
// Undo the scale transform applied by AsyncCompositionManager::SampleValue
|
|
transform.PostScale(1.0f/c->GetInheritedXScale(),
|
|
1.0f/c->GetInheritedYScale(),
|
|
1.0f);
|
|
}
|
|
float scale = 1;
|
|
Point3D scaledOrigin;
|
|
Point3D transformOrigin;
|
|
for (uint32_t i=0; i < layer->GetAnimations().Length(); i++) {
|
|
if (layer->GetAnimations()[i].data().type() == AnimationData::TTransformData) {
|
|
const TransformData& data = layer->GetAnimations()[i].data().get_TransformData();
|
|
scale = data.appUnitsPerDevPixel();
|
|
scaledOrigin =
|
|
Point3D(NS_round(NSAppUnitsToFloatPixels(data.origin().x, scale)),
|
|
NS_round(NSAppUnitsToFloatPixels(data.origin().y, scale)),
|
|
0.0f);
|
|
transformOrigin = data.transformOrigin();
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If our parent isn't a perspective layer, then the offset into reference
|
|
// frame coordinates will have been applied to us. Add an inverse translation
|
|
// to cancel it out.
|
|
if (!layer->GetParent() || !layer->GetParent()->GetTransformIsPerspective()) {
|
|
transform.PostTranslate(-scaledOrigin.x, -scaledOrigin.y, -scaledOrigin.z);
|
|
}
|
|
|
|
// Undo the rebasing applied by
|
|
// nsDisplayTransform::GetResultingTransformMatrixInternal
|
|
transform.ChangeBasis(-transformOrigin);
|
|
|
|
// Convert to CSS pixels (this undoes the operations performed by
|
|
// nsStyleTransformMatrix::ProcessTranslatePart which is called from
|
|
// nsDisplayTransform::GetResultingTransformMatrix)
|
|
double devPerCss =
|
|
double(scale) / double(nsDeviceContext::AppUnitsPerCSSPixel());
|
|
transform._41 *= devPerCss;
|
|
transform._42 *= devPerCss;
|
|
transform._43 *= devPerCss;
|
|
|
|
*aTransform = transform;
|
|
return true;
|
|
}
|
|
|
|
static AsyncPanZoomController*
|
|
GetAPZCForViewID(Layer* aLayer, FrameMetrics::ViewID aScrollID)
|
|
{
|
|
AsyncPanZoomController* resultApzc = nullptr;
|
|
ForEachNode<ForwardIterator>(
|
|
aLayer,
|
|
[aScrollID, &resultApzc] (Layer* layer)
|
|
{
|
|
for (uint32_t i = 0; i < layer->GetScrollMetadataCount(); i++) {
|
|
if (layer->GetFrameMetrics(i).GetScrollId() == aScrollID) {
|
|
resultApzc = layer->GetAsyncPanZoomController(i);
|
|
return TraversalFlag::Abort;
|
|
}
|
|
}
|
|
return TraversalFlag::Continue;
|
|
});
|
|
return resultApzc;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvSetAsyncScrollOffset(const FrameMetrics::ViewID& aScrollID,
|
|
const float& aX, const float& aY)
|
|
{
|
|
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
|
|
return false;
|
|
}
|
|
|
|
AsyncPanZoomController* controller = GetAPZCForViewID(mRoot, aScrollID);
|
|
if (!controller) {
|
|
return false;
|
|
}
|
|
controller->SetTestAsyncScrollOffset(CSSPoint(aX, aY));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvSetAsyncZoom(const FrameMetrics::ViewID& aScrollID,
|
|
const float& aValue)
|
|
{
|
|
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
|
|
return false;
|
|
}
|
|
|
|
AsyncPanZoomController* controller = GetAPZCForViewID(mRoot, aScrollID);
|
|
if (!controller) {
|
|
return false;
|
|
}
|
|
controller->SetTestAsyncZoom(LayerToParentLayerScale(aValue));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvFlushApzRepaints()
|
|
{
|
|
mCompositorBridge->FlushApzRepaints(this);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvGetAPZTestData(APZTestData* aOutData)
|
|
{
|
|
mCompositorBridge->GetAPZTestData(this, aOutData);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvRequestProperty(const nsString& aProperty, float* aValue)
|
|
{
|
|
if (aProperty.Equals(NS_LITERAL_STRING("overdraw"))) {
|
|
*aValue = layer_manager()->GetCompositor()->GetFillRatio();
|
|
} else if (aProperty.Equals(NS_LITERAL_STRING("missed_hwc"))) {
|
|
*aValue = layer_manager()->LastFrameMissedHWC() ? 1 : 0;
|
|
} else {
|
|
*aValue = -1;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvSetConfirmedTargetAPZC(const uint64_t& aBlockId,
|
|
nsTArray<ScrollableLayerGuid>&& aTargets)
|
|
{
|
|
mCompositorBridge->SetConfirmedTargetAPZC(this, aBlockId, aTargets);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::Attach(ShadowLayerParent* aLayerParent,
|
|
CompositableHost* aCompositable,
|
|
bool aIsAsync)
|
|
{
|
|
if (!aCompositable) {
|
|
return false;
|
|
}
|
|
|
|
Layer* baselayer = aLayerParent->AsLayer();
|
|
if (!baselayer) {
|
|
return false;
|
|
}
|
|
LayerComposite* layer = baselayer->AsLayerComposite();
|
|
if (!layer) {
|
|
return false;
|
|
}
|
|
|
|
Compositor* compositor
|
|
= static_cast<LayerManagerComposite*>(aLayerParent->AsLayer()->Manager())->GetCompositor();
|
|
|
|
if (!layer->SetCompositableHost(aCompositable)) {
|
|
// not all layer types accept a compositable, see bug 967824
|
|
return false;
|
|
}
|
|
aCompositable->Attach(aLayerParent->AsLayer(),
|
|
compositor,
|
|
aIsAsync
|
|
? CompositableHost::ALLOW_REATTACH
|
|
| CompositableHost::KEEP_ATTACHED
|
|
: CompositableHost::NO_FLAGS);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvClearCachedResources()
|
|
{
|
|
if (mRoot) {
|
|
// NB: |mRoot| here is the *child* context's root. In this parent
|
|
// context, it's just a subtree root. We need to scope the clear
|
|
// of resources to exactly that subtree, so we specify it here.
|
|
mLayerManager->ClearCachedResources(mRoot);
|
|
}
|
|
mCompositorBridge->NotifyClearCachedResources(this);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::RecvForceComposite()
|
|
{
|
|
mCompositorBridge->ForceComposite(this);
|
|
return true;
|
|
}
|
|
|
|
PLayerParent*
|
|
LayerTransactionParent::AllocPLayerParent()
|
|
{
|
|
return new ShadowLayerParent();
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::DeallocPLayerParent(PLayerParent* actor)
|
|
{
|
|
delete actor;
|
|
return true;
|
|
}
|
|
|
|
PCompositableParent*
|
|
LayerTransactionParent::AllocPCompositableParent(const TextureInfo& aInfo)
|
|
{
|
|
return CompositableHost::CreateIPDLActor(this, aInfo, 0);
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::DeallocPCompositableParent(PCompositableParent* aActor)
|
|
{
|
|
return CompositableHost::DestroyIPDLActor(aActor);
|
|
}
|
|
|
|
void
|
|
LayerTransactionParent::ActorDestroy(ActorDestroyReason why)
|
|
{
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::AllocShmem(size_t aSize,
|
|
ipc::SharedMemory::SharedMemoryType aType,
|
|
ipc::Shmem* aShmem)
|
|
{
|
|
if (!mIPCOpen || mDestroyed) {
|
|
return false;
|
|
}
|
|
return PLayerTransactionParent::AllocShmem(aSize, aType, aShmem);
|
|
}
|
|
|
|
bool
|
|
LayerTransactionParent::AllocUnsafeShmem(size_t aSize,
|
|
ipc::SharedMemory::SharedMemoryType aType,
|
|
ipc::Shmem* aShmem)
|
|
{
|
|
if (!mIPCOpen || mDestroyed) {
|
|
return false;
|
|
}
|
|
|
|
return PLayerTransactionParent::AllocUnsafeShmem(aSize, aType, aShmem);
|
|
}
|
|
|
|
void
|
|
LayerTransactionParent::DeallocShmem(ipc::Shmem& aShmem)
|
|
{
|
|
if (!mIPCOpen || mDestroyed) {
|
|
return;
|
|
}
|
|
PLayerTransactionParent::DeallocShmem(aShmem);
|
|
}
|
|
|
|
bool LayerTransactionParent::IsSameProcess() const
|
|
{
|
|
return OtherPid() == base::GetCurrentProcId();
|
|
}
|
|
|
|
void
|
|
LayerTransactionParent::SendAsyncMessage(const InfallibleTArray<AsyncParentMessageData>& aMessage)
|
|
{
|
|
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
|
|
}
|
|
|
|
void
|
|
LayerTransactionParent::SendPendingAsyncMessages()
|
|
{
|
|
mCompositorBridge->SendPendingAsyncMessages();
|
|
}
|
|
|
|
void
|
|
LayerTransactionParent::SetAboutToSendAsyncMessages()
|
|
{
|
|
mCompositorBridge->SetAboutToSendAsyncMessages();
|
|
}
|
|
|
|
void
|
|
LayerTransactionParent::NotifyNotUsed(PTextureParent* aTexture, uint64_t aTransactionId)
|
|
{
|
|
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|