コード例 #1
0
bool
LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
                                   const TargetConfig& targetConfig,
                                   const bool& isFirstPaint,
                                   InfallibleTArray<EditReply>* reply)
{
#ifdef COMPOSITOR_PERFORMANCE_WARNING
  TimeStamp updateStart = TimeStamp::Now();
#endif

  MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));

  if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
    return true;
  }

  EditReplyVector replyv;

  layer_manager()->BeginTransactionWithTarget(NULL);

  for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
    const Edit& edit = cset[i];

    switch (edit.type()) {
    // Create* ops
    case Edit::TOpCreateThebesLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));

      nsRefPtr<ThebesLayerComposite> layer =
        layer_manager()->CreateThebesLayerComposite();
      AsLayerComposite(edit.get_OpCreateThebesLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateContainerLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));

      nsRefPtr<ContainerLayer> layer = layer_manager()->CreateContainerLayerComposite();
      AsLayerComposite(edit.get_OpCreateContainerLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateImageLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));

      nsRefPtr<ImageLayerComposite> layer =
        layer_manager()->CreateImageLayerComposite();
      AsLayerComposite(edit.get_OpCreateImageLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateColorLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));

      nsRefPtr<ColorLayerComposite> layer = layer_manager()->CreateColorLayerComposite();
      AsLayerComposite(edit.get_OpCreateColorLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateCanvasLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));

      nsRefPtr<CanvasLayerComposite> layer =
        layer_manager()->CreateCanvasLayerComposite();
      AsLayerComposite(edit.get_OpCreateCanvasLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateRefLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));

      nsRefPtr<RefLayerComposite> layer =
        layer_manager()->CreateRefLayerComposite();
      AsLayerComposite(edit.get_OpCreateRefLayer())->Bind(layer);
      break;
    }

    // Attributes
    case Edit::TOpSetLayerAttributes: {
      MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));

      const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
      Layer* layer = AsLayerComposite(osla)->AsLayer();
      const LayerAttributes& attrs = osla.attrs();

      const CommonLayerAttributes& common = attrs.common();
      layer->SetVisibleRegion(common.visibleRegion());
      layer->SetContentFlags(common.contentFlags());
      layer->SetOpacity(common.opacity());
      layer->SetClipRect(common.useClipRect() ? &common.clipRect() : NULL);
      layer->SetBaseTransform(common.transform().value());
      layer->SetPostScale(common.postXScale(), common.postYScale());
      layer->SetIsFixedPosition(common.isFixedPosition());
      layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
      layer->SetFixedPositionMargins(common.fixedPositionMargin());
      if (PLayerParent* maskLayer = common.maskLayerParent()) {
        layer->SetMaskLayer(cast(maskLayer)->AsLayer());
      } else {
        layer->SetMaskLayer(NULL);
      }
      layer->SetAnimations(common.animations());

      typedef SpecificLayerAttributes Specific;
      const SpecificLayerAttributes& specific = attrs.specific();
      switch (specific.type()) {
      case Specific::Tnull_t:
        break;

      case Specific::TThebesLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   thebes layer"));

        ThebesLayerComposite* thebesLayer =
          static_cast<ThebesLayerComposite*>(layer);
        const ThebesLayerAttributes& attrs =
          specific.get_ThebesLayerAttributes();

        thebesLayer->SetValidRegion(attrs.validRegion());

        break;
      }
      case Specific::TContainerLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   container layer"));

        ContainerLayer* containerLayer =
          static_cast<ContainerLayer*>(layer);
        const ContainerLayerAttributes& attrs =
          specific.get_ContainerLayerAttributes();
        containerLayer->SetFrameMetrics(attrs.metrics());
        containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
        containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
        break;
      }
      case Specific::TColorLayerAttributes:
        MOZ_LAYERS_LOG(("[ParentSide]   color layer"));

        static_cast<ColorLayer*>(layer)->SetColor(
          specific.get_ColorLayerAttributes().color().value());
        break;

      case Specific::TCanvasLayerAttributes:
        MOZ_LAYERS_LOG(("[ParentSide]   canvas layer"));

        static_cast<CanvasLayer*>(layer)->SetFilter(
          specific.get_CanvasLayerAttributes().filter());
        static_cast<CanvasLayerComposite*>(layer)->SetBounds(
          specific.get_CanvasLayerAttributes().bounds());
        break;

      case Specific::TRefLayerAttributes:
        MOZ_LAYERS_LOG(("[ParentSide]   ref layer"));

        static_cast<RefLayer*>(layer)->SetReferentId(
          specific.get_RefLayerAttributes().id());
        break;

      case Specific::TImageLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   image layer"));

        ImageLayer* imageLayer = static_cast<ImageLayer*>(layer);
        const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
        imageLayer->SetFilter(attrs.filter());
        imageLayer->SetScaleToSize(attrs.scaleToSize(), attrs.scaleMode());
        break;
      }
      default:
        NS_RUNTIMEABORT("not reached");
      }
      break;
    }
    case Edit::TOpSetColoredBorders: {
      if (edit.get_OpSetColoredBorders().enabled()) {
        mLayerManager->GetCompositor()->EnableColoredBorders();
      } else {
        mLayerManager->GetCompositor()->DisableColoredBorders();
      }
      break;
    }
    // Tree ops
    case Edit::TOpSetRoot: {
      MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));

      mRoot = AsLayerComposite(edit.get_OpSetRoot())->AsContainer();
      break;
    }
    case Edit::TOpInsertAfter: {
      MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));

      const OpInsertAfter& oia = edit.get_OpInsertAfter();
      ShadowContainer(oia)->AsContainer()->InsertAfter(
        ShadowChild(oia)->AsLayer(), ShadowAfter(oia)->AsLayer());
      break;
    }
    case Edit::TOpAppendChild: {
      MOZ_LAYERS_LOG(("[ParentSide] AppendChild"));

      const OpAppendChild& oac = edit.get_OpAppendChild();
      ShadowContainer(oac)->AsContainer()->InsertAfter(
        ShadowChild(oac)->AsLayer(), NULL);
      break;
    }
    case Edit::TOpRemoveChild: {
      MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));

      const OpRemoveChild& orc = edit.get_OpRemoveChild();
      Layer* childLayer = ShadowChild(orc)->AsLayer();
      ShadowContainer(orc)->AsContainer()->RemoveChild(childLayer);
      break;
    }
    case Edit::TOpRepositionChild: {
      MOZ_LAYERS_LOG(("[ParentSide] RepositionChild"));

      const OpRepositionChild& orc = edit.get_OpRepositionChild();
      ShadowContainer(orc)->AsContainer()->RepositionChild(
        ShadowChild(orc)->AsLayer(), ShadowAfter(orc)->AsLayer());
      break;
    }
    case Edit::TOpRaiseToTopChild: {
      MOZ_LAYERS_LOG(("[ParentSide] RaiseToTopChild"));

      const OpRaiseToTopChild& rtc = edit.get_OpRaiseToTopChild();
      ShadowContainer(rtc)->AsContainer()->RepositionChild(
        ShadowChild(rtc)->AsLayer(), NULL);
      break;
    }
    case Edit::TCompositableOperation: {
      ReceiveCompositableUpdate(edit.get_CompositableOperation(),
                                replyv);
      break;
    }
    case Edit::TOpAttachCompositable: {
      const OpAttachCompositable& op = edit.get_OpAttachCompositable();
      Attach(cast(op.layerParent()), cast(op.compositableParent()));
      break;
    }
    case Edit::TOpAttachAsyncCompositable: {
      const OpAttachAsyncCompositable& op = edit.get_OpAttachAsyncCompositable();
      CompositableParent* compositableParent = CompositableMap::Get(op.containerID());
      MOZ_ASSERT(compositableParent, "CompositableParent not found in the map");
      Attach(cast(op.layerParent()), compositableParent);
      compositableParent->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
      break;
    }
    default:
      NS_RUNTIMEABORT("not reached");
    }
  }

  layer_manager()->EndTransaction(NULL, NULL, LayerManager::END_NO_IMMEDIATE_REDRAW);

  if (reply) {
    reply->SetCapacity(replyv.size());
    if (replyv.size() > 0) {
      reply->AppendElements(&replyv.front(), replyv.size());
    }
  }

  // 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();

  mShadowLayersManager->ShadowLayersUpdated(this, targetConfig, isFirstPaint);

#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

  return true;
}
コード例 #2
0
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
                                                     EditReplyVector& replyv)
{
  switch (aEdit.type()) {
    case CompositableOperation::TOpCreatedIncrementalTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
      const OpCreatedIncrementalTexture& op = aEdit.get_OpCreatedIncrementalTexture();
      CompositableHost* compositable = AsCompositable(op);

      bool success =
        compositable->CreatedIncrementalTexture(this,
                                                op.textureInfo(),
                                                op.bufferRect());
      if (!success) {
        return false;
      }
      break;
    }
    case CompositableOperation::TOpPaintTextureRegion: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
      CompositableHost* compositable = AsCompositable(op);
      Layer* layer = compositable->GetLayer();
      if (!layer || layer->GetType() != Layer::TYPE_THEBES) {
        return false;
      }
      ThebesLayerComposite* thebes = static_cast<ThebesLayerComposite*>(layer);

      const ThebesBufferData& bufferData = op.bufferData();

      RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());

      nsIntRegion frontUpdatedRegion;
      if (!compositable->UpdateThebes(bufferData,
                                      op.updatedRegion(),
                                      thebes->GetValidRegion(),
                                      &frontUpdatedRegion))
      {
        return false;
      }
      replyv.push_back(
        OpContentBufferSwap(op.compositableParent(), nullptr, frontUpdatedRegion));

      RenderTraceInvalidateEnd(thebes, "FF00FF");
      break;
    }
    case CompositableOperation::TOpPaintTextureIncremental: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureIncremental& op = aEdit.get_OpPaintTextureIncremental();

      CompositableHost* compositable = AsCompositable(op);

      SurfaceDescriptor desc = op.image();

      compositable->UpdateIncremental(op.textureId(),
                                      desc,
                                      op.updatedRegion(),
                                      op.bufferRect(),
                                      op.bufferRotation());
      break;
    }
    case CompositableOperation::TOpUpdatePictureRect: {
      const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
      CompositableHost* compositable = AsCompositable(op);
      MOZ_ASSERT(compositable);
      compositable->SetPictureRect(op.picture());
      break;
    }
    case CompositableOperation::TOpUseTiledLayerBuffer: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
      const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
      CompositableHost* compositable = AsCompositable(op);

      TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
      NS_ASSERTION(tileComposer, "compositable is not a tile composer");

      const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
      tileComposer->UseTiledLayerBuffer(this, tileDesc);
      break;
    }
    case CompositableOperation::TOpRemoveTexture: {
      const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->RemoveTextureHost(tex);
      // send FenceHandle if present.
      TextureHost::SendFenceHandleIfPresent(op.textureParent());
      break;
    }
    case CompositableOperation::TOpRemoveTextureAsync: {
      const OpRemoveTextureAsync& op = aEdit.get_OpRemoveTextureAsync();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->RemoveTextureHost(tex);

      if (!IsAsync() && GetChildProcessId()) {
        // send FenceHandle if present via ImageBridge.
        ImageBridgeParent::SendFenceHandleToTrackerIfPresent(
                             GetChildProcessId(),
                             op.holderId(),
                             op.transactionId(),
                             op.textureParent());

        // If the message is recievied via PLayerTransaction,
        // Send message back via PImageBridge.
        ImageBridgeParent::ReplyRemoveTexture(
                             GetChildProcessId(),
                             OpReplyRemoveTexture(true, // isMain
                                                  op.holderId(),
                                                  op.transactionId()));
      } else {
        // send FenceHandle if present.
        TextureHost::SendFenceHandleIfPresent(op.textureParent());

        ReplyRemoveTexture(OpReplyRemoveTexture(false, // isMain
                                                op.holderId(),
                                                op.transactionId()));
      }
      break;
    }
    case CompositableOperation::TOpUseTexture: {
      const OpUseTexture& op = aEdit.get_OpUseTexture();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->UseTextureHost(tex);

      if (IsAsync()) {
        ScheduleComposition(op);
        // Async layer updates don't trigger invalidation, manually tell the layer
        // that its content have changed.
        if (compositable->GetLayer()) {
          compositable->GetLayer()->SetInvalidRectToVisibleRegion();
        }
      }
      break;
    }
    case CompositableOperation::TOpUseComponentAlphaTextures: {
      const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
      RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());

      MOZ_ASSERT(texOnBlack && texOnWhite);
      compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);

      if (IsAsync()) {
        ScheduleComposition(op);
      }
      break;
    }
#ifdef MOZ_WIDGET_GONK
    case CompositableOperation::TOpUseOverlaySource: {
      const OpUseOverlaySource& op = aEdit.get_OpUseOverlaySource();
      CompositableHost* compositable = AsCompositable(op);
      MOZ_ASSERT(compositable->GetType() == CompositableType::IMAGE_OVERLAY, "Invalid operation!");
      compositable->UseOverlaySource(op.overlay());
      break;
    }
#endif
    case CompositableOperation::TOpUpdateTexture: {
      const OpUpdateTexture& op = aEdit.get_OpUpdateTexture();
      RefPtr<TextureHost> texture = TextureHost::AsTextureHost(op.textureParent());
      MOZ_ASSERT(texture);

      texture->Updated(op.region().type() == MaybeRegion::TnsIntRegion
                       ? &op.region().get_nsIntRegion()
                       : nullptr); // no region means invalidate the entire surface
      break;
    }

    default: {
      MOZ_ASSERT(false, "bad type");
    }
  }

  return true;
}
コード例 #3
0
bool
LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
                                   const uint64_t& aTransactionId,
                                   const TargetConfig& targetConfig,
                                   const bool& isFirstPaint,
                                   const bool& scheduleComposite,
                                   const uint32_t& paintSequenceNumber,
                                   const bool& isRepeatTransaction,
                                   InfallibleTArray<EditReply>* reply)
{
  profiler_tracing("Paint", "Composite", TRACING_INTERVAL_START);
  PROFILER_LABEL("LayerTransactionParent", "RecvUpdate",
    js::ProfileEntry::Category::GRAPHICS);

#ifdef COMPOSITOR_PERFORMANCE_WARNING
  TimeStamp updateStart = TimeStamp::Now();
#endif

  MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));

  if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
    return true;
  }

  if (mLayerManager && mLayerManager->GetCompositor() &&
      !targetConfig.naturalBounds().IsEmpty()) {
    mLayerManager->GetCompositor()->SetScreenRotation(targetConfig.rotation());
  }

  EditReplyVector replyv;

  {
    AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager(this));
    layer_manager()->BeginTransaction();
  }

  for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
    const Edit& edit = cset[i];

    switch (edit.type()) {
    // Create* ops
    case Edit::TOpCreateThebesLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));

      nsRefPtr<ThebesLayerComposite> layer =
        layer_manager()->CreateThebesLayerComposite();
      AsLayerComposite(edit.get_OpCreateThebesLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateContainerLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));

      nsRefPtr<ContainerLayer> layer = layer_manager()->CreateContainerLayerComposite();
      AsLayerComposite(edit.get_OpCreateContainerLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateImageLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));

      nsRefPtr<ImageLayerComposite> layer =
        layer_manager()->CreateImageLayerComposite();
      AsLayerComposite(edit.get_OpCreateImageLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateColorLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));

      nsRefPtr<ColorLayerComposite> layer = layer_manager()->CreateColorLayerComposite();
      AsLayerComposite(edit.get_OpCreateColorLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateCanvasLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));

      nsRefPtr<CanvasLayerComposite> layer =
        layer_manager()->CreateCanvasLayerComposite();
      AsLayerComposite(edit.get_OpCreateCanvasLayer())->Bind(layer);
      break;
    }
    case Edit::TOpCreateRefLayer: {
      MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));

      nsRefPtr<RefLayerComposite> layer =
        layer_manager()->CreateRefLayerComposite();
      AsLayerComposite(edit.get_OpCreateRefLayer())->Bind(layer);
      break;
    }

    // Attributes
    case Edit::TOpSetLayerAttributes: {
      MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));

      const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
      ShadowLayerParent* layerParent = AsLayerComposite(osla);
      Layer* layer = layerParent->AsLayer();
      if (!layer) {
        return false;
      }
      const LayerAttributes& attrs = osla.attrs();

      const CommonLayerAttributes& common = attrs.common();
      layer->SetVisibleRegion(common.visibleRegion());
      layer->SetEventRegions(common.eventRegions());
      layer->SetContentFlags(common.contentFlags());
      layer->SetOpacity(common.opacity());
      layer->SetClipRect(common.useClipRect() ? &common.clipRect() : nullptr);
      layer->SetBaseTransform(common.transform().value());
      layer->SetPostScale(common.postXScale(), common.postYScale());
      layer->SetIsFixedPosition(common.isFixedPosition());
      layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
      layer->SetFixedPositionMargins(common.fixedPositionMargin());
      if (common.isStickyPosition()) {
        layer->SetStickyPositionData(common.stickyScrollContainerId(),
                                     common.stickyScrollRangeOuter(),
                                     common.stickyScrollRangeInner());
      }
      layer->SetScrollbarData(common.scrollbarTargetContainerId(),
        static_cast<Layer::ScrollDirection>(common.scrollbarDirection()));
      layer->SetMixBlendMode((gfx::CompositionOp)common.mixBlendMode());
      layer->SetForceIsolatedGroup(common.forceIsolatedGroup());
      if (PLayerParent* maskLayer = common.maskLayerParent()) {
        layer->SetMaskLayer(cast(maskLayer)->AsLayer());
      } else {
        layer->SetMaskLayer(nullptr);
      }
      layer->SetAnimations(common.animations());
      layer->SetInvalidRegion(common.invalidRegion());

      typedef SpecificLayerAttributes Specific;
      const SpecificLayerAttributes& specific = attrs.specific();
      switch (specific.type()) {
      case Specific::Tnull_t:
        break;

      case Specific::TThebesLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   thebes layer"));

        ThebesLayerComposite* thebesLayer = layerParent->AsThebesLayerComposite();
        if (!thebesLayer) {
          return false;
        }
        const ThebesLayerAttributes& attrs =
          specific.get_ThebesLayerAttributes();

        thebesLayer->SetValidRegion(attrs.validRegion());

        break;
      }
      case Specific::TContainerLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   container layer"));

        ContainerLayerComposite* containerLayer = layerParent->AsContainerLayerComposite();
        if (!containerLayer) {
          return false;
        }
        const ContainerLayerAttributes& attrs =
          specific.get_ContainerLayerAttributes();
        containerLayer->SetFrameMetrics(attrs.metrics());
        containerLayer->SetScrollHandoffParentId(attrs.scrollParentId());
        containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
        containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
        containerLayer->SetBackgroundColor(attrs.backgroundColor().value());
        containerLayer->SetContentDescription(attrs.contentDescription());
        break;
      }
      case Specific::TColorLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   color layer"));

        ColorLayerComposite* colorLayer = layerParent->AsColorLayerComposite();
        if (!colorLayer) {
          return false;
        }
        colorLayer->SetColor(specific.get_ColorLayerAttributes().color().value());
        colorLayer->SetBounds(specific.get_ColorLayerAttributes().bounds());
        break;
      }
      case Specific::TCanvasLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   canvas layer"));

        CanvasLayerComposite* canvasLayer = layerParent->AsCanvasLayerComposite();
        if (!canvasLayer) {
          return false;
        }
        canvasLayer->SetFilter(specific.get_CanvasLayerAttributes().filter());
        canvasLayer->SetBounds(specific.get_CanvasLayerAttributes().bounds());
        break;
      }
      case Specific::TRefLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   ref layer"));

        RefLayerComposite* refLayer = layerParent->AsRefLayerComposite();
        if (!refLayer) {
          return false;
        }
        refLayer->SetReferentId(specific.get_RefLayerAttributes().id());
        break;
      }
      case Specific::TImageLayerAttributes: {
        MOZ_LAYERS_LOG(("[ParentSide]   image layer"));

        ImageLayerComposite* imageLayer = layerParent->AsImageLayerComposite();
        if (!imageLayer) {
          return false;
        }
        const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
        imageLayer->SetFilter(attrs.filter());
        imageLayer->SetScaleToSize(attrs.scaleToSize(), attrs.scaleMode());
        break;
      }
      default:
        NS_RUNTIMEABORT("not reached");
      }
      break;
    }
    case Edit::TOpSetDiagnosticTypes: {
      mLayerManager->GetCompositor()->SetDiagnosticTypes(
        edit.get_OpSetDiagnosticTypes().diagnostics());
      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;
      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;
      }
      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;
      }
      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;
      }
      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;
      }
      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;
      }
      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 (!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;
      }
      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");
    }
  }

  mShadowLayersManager->ShadowLayersUpdated(this, aTransactionId, targetConfig,
      isFirstPaint, scheduleComposite, paintSequenceNumber, isRepeatTransaction);

  {
    AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager(this));
    layer_manager()->EndTransaction(nullptr, nullptr, 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

  return true;
}
コード例 #4
0
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
                                                     EditReplyVector& replyv)
{
  switch (aEdit.type()) {
    case CompositableOperation::TOpCreatedTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
      const OpCreatedTexture& op = aEdit.get_OpCreatedTexture();
      CompositableParent* compositableParent =
        static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable = compositableParent->GetCompositableHost();

      compositable->EnsureDeprecatedTextureHost(op.textureId(), op.descriptor(),
                                      compositableParent->GetCompositableManager(),
                                      op.textureInfo());

      break;
    }
    case CompositableOperation::TOpCreatedIncrementalTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
      const OpCreatedIncrementalTexture& op = aEdit.get_OpCreatedIncrementalTexture();

      CompositableParent* compositableParent =
        static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable = compositableParent->GetCompositableHost();

      compositable->EnsureDeprecatedTextureHostIncremental(compositableParent->GetCompositableManager(),
                                                 op.textureInfo(),
                                                 op.bufferRect());
      break;
    }
    case CompositableOperation::TOpDestroyThebesBuffer: {
      MOZ_LAYERS_LOG(("[ParentSide] Created double buffer"));
      const OpDestroyThebesBuffer& op = aEdit.get_OpDestroyThebesBuffer();
      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositableHost = compositableParent->GetCompositableHost();
      if (compositableHost->GetType() != BUFFER_CONTENT &&
          compositableHost->GetType() != BUFFER_CONTENT_DIRECT)
      {
        return false;
      }
      DeprecatedContentHostBase* content = static_cast<DeprecatedContentHostBase*>(compositableHost);
      content->DestroyTextures();

      break;
    }
    case CompositableOperation::TOpPaintTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint Texture X"));
      const OpPaintTexture& op = aEdit.get_OpPaintTexture();

      CompositableParent* compositableParent =
        static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();

      Layer* layer = compositable ? compositable->GetLayer() : nullptr;
      LayerComposite* shadowLayer = layer ? layer->AsLayerComposite() : nullptr;
      if (shadowLayer) {
        Compositor* compositor = static_cast<LayerManagerComposite*>(layer->Manager())->GetCompositor();
        compositable->SetCompositor(compositor);
        compositable->SetLayer(layer);
      } else {
        // if we reach this branch, it most likely means that async textures
        // are coming in before we had time to attach the compositable to a
        // layer. Don't panic, it is okay in this case. it should not be
        // happening continuously, though.
      }

      if (layer) {
        RenderTraceInvalidateStart(layer, "FF00FF", layer->GetVisibleRegion().GetBounds());
      }

      if (compositable) {
        const SurfaceDescriptor& descriptor = op.image();
        compositable->EnsureDeprecatedTextureHost(op.textureId(),
                                        descriptor,
                                        compositableParent->GetCompositableManager(),
                                        TextureInfo());
        MOZ_ASSERT(compositable->GetDeprecatedTextureHost());

        SurfaceDescriptor newBack;
        bool shouldRecomposite = compositable->Update(descriptor, &newBack);
        if (IsSurfaceDescriptorValid(newBack)) {
          replyv.push_back(OpTextureSwap(compositableParent, nullptr,
                                         op.textureId(), newBack));
        }

        if (IsAsync() && shouldRecomposite) {
          ScheduleComposition(op);
        }
      }

      if (layer) {
        RenderTraceInvalidateEnd(layer, "FF00FF");
      }

      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpPaintTextureRegion: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();
      Layer* layer = compositable->GetLayer();
      if (!layer || layer->GetType() != Layer::TYPE_THEBES) {
        return false;
      }
      ThebesLayerComposite* thebes = static_cast<ThebesLayerComposite*>(layer);

      const ThebesBufferData& bufferData = op.bufferData();

      RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());

      nsIntRegion frontUpdatedRegion;
      if (!compositable->UpdateThebes(bufferData,
                                      op.updatedRegion(),
                                      thebes->GetValidRegion(),
                                      &frontUpdatedRegion))
      {
        return false;
      }
      replyv.push_back(
        OpContentBufferSwap(compositableParent, nullptr, frontUpdatedRegion));

      RenderTraceInvalidateEnd(thebes, "FF00FF");
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpPaintTextureIncremental: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureIncremental& op = aEdit.get_OpPaintTextureIncremental();

      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();

      SurfaceDescriptor desc = op.image();

      compositable->UpdateIncremental(op.textureId(),
                                      desc,
                                      op.updatedRegion(),
                                      op.bufferRect(),
                                      op.bufferRotation());
      break;
    }
    case CompositableOperation::TOpUpdatePictureRect: {
      const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
      CompositableHost* compositable
       = static_cast<CompositableParent*>(op.compositableParent())->GetCompositableHost();
      MOZ_ASSERT(compositable);
      compositable->SetPictureRect(op.picture());
      break;
    }
    case CompositableOperation::TOpUseTiledLayerBuffer: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
      const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();

      TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
      NS_ASSERTION(tileComposer, "compositable is not a tile composer");

      const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
      tileComposer->UseTiledLayerBuffer(this, tileDesc);
      break;
    }
    case CompositableOperation::TOpRemoveTexture: {
      const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->RemoveTextureHost(tex);
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpUseTexture: {
      const OpUseTexture& op = aEdit.get_OpUseTexture();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->UseTextureHost(tex);

      if (IsAsync()) {
        ScheduleComposition(op);
        // Async layer updates don't trigger invalidation, manually tell the layer
        // that its content have changed.
        if (compositable->GetLayer()) {
          compositable->GetLayer()->SetInvalidRectToVisibleRegion();
        }
      }
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpUseComponentAlphaTextures: {
      const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
      RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());

      MOZ_ASSERT(texOnBlack && texOnWhite);
      compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);

      if (IsAsync()) {
        ScheduleComposition(op);
      }
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpUpdateTexture: {
      const OpUpdateTexture& op = aEdit.get_OpUpdateTexture();
      RefPtr<TextureHost> texture = TextureHost::AsTextureHost(op.textureParent());
      MOZ_ASSERT(texture);

      texture->Updated(op.region().type() == MaybeRegion::TnsIntRegion
                       ? &op.region().get_nsIntRegion()
                       : nullptr); // no region means invalidate the entire surface
      break;
    }

    default: {
      MOZ_ASSERT(false, "bad type");
    }
  }

  return true;
}
コード例 #5
0
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
                                                     EditReplyVector& replyv)
{
  switch (aEdit.type()) {
    case CompositableOperation::TOpCreatedIncrementalTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
      const OpCreatedIncrementalTexture& op = aEdit.get_OpCreatedIncrementalTexture();
      CompositableHost* compositable = AsCompositable(op);

      bool success =
        compositable->CreatedIncrementalTexture(this,
                                                op.textureInfo(),
                                                op.bufferRect());
      if (!success) {
        return false;
      }
      break;
    }
    case CompositableOperation::TOpPaintTextureRegion: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
      CompositableHost* compositable = AsCompositable(op);
      Layer* layer = compositable->GetLayer();
      if (!layer || layer->GetType() != Layer::TYPE_THEBES) {
        return false;
      }
      ThebesLayerComposite* thebes = static_cast<ThebesLayerComposite*>(layer);

      const ThebesBufferData& bufferData = op.bufferData();

      RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());

      nsIntRegion frontUpdatedRegion;
      if (!compositable->UpdateThebes(bufferData,
                                      op.updatedRegion(),
                                      thebes->GetValidRegion(),
                                      &frontUpdatedRegion))
      {
        return false;
      }
      replyv.push_back(
        OpContentBufferSwap(op.compositableParent(), nullptr, frontUpdatedRegion));

      RenderTraceInvalidateEnd(thebes, "FF00FF");
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpPaintTextureIncremental: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureIncremental& op = aEdit.get_OpPaintTextureIncremental();

      CompositableHost* compositable = AsCompositable(op);

      SurfaceDescriptor desc = op.image();

      compositable->UpdateIncremental(op.textureId(),
                                      desc,
                                      op.updatedRegion(),
                                      op.bufferRect(),
                                      op.bufferRotation());
      break;
    }
    case CompositableOperation::TOpUpdatePictureRect: {
      const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
      CompositableHost* compositable = AsCompositable(op);
      MOZ_ASSERT(compositable);
      compositable->SetPictureRect(op.picture());
      break;
    }
    case CompositableOperation::TOpUseTiledLayerBuffer: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
      const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
      CompositableHost* compositable = AsCompositable(op);

      TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
      NS_ASSERTION(tileComposer, "compositable is not a tile composer");

      const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
      tileComposer->UseTiledLayerBuffer(this, tileDesc);
      break;
    }
    case CompositableOperation::TOpRemoveTexture: {
      const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->RemoveTextureHost(tex);
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpUseTexture: {
      const OpUseTexture& op = aEdit.get_OpUseTexture();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());

      MOZ_ASSERT(tex.get());
      compositable->UseTextureHost(tex);

      if (IsAsync()) {
        ScheduleComposition(op);
        // Async layer updates don't trigger invalidation, manually tell the layer
        // that its content have changed.
        if (compositable->GetLayer()) {
          compositable->GetLayer()->SetInvalidRectToVisibleRegion();
        }
      }
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpUseComponentAlphaTextures: {
      const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
      CompositableHost* compositable = AsCompositable(op);
      RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
      RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());

      MOZ_ASSERT(texOnBlack && texOnWhite);
      compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);

      if (IsAsync()) {
        ScheduleComposition(op);
      }
      // return texure data to client if necessary
      ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
      break;
    }
    case CompositableOperation::TOpUpdateTexture: {
      const OpUpdateTexture& op = aEdit.get_OpUpdateTexture();
      RefPtr<TextureHost> texture = TextureHost::AsTextureHost(op.textureParent());
      MOZ_ASSERT(texture);

      texture->Updated(op.region().type() == MaybeRegion::TnsIntRegion
                       ? &op.region().get_nsIntRegion()
                       : nullptr); // no region means invalidate the entire surface
      break;
    }

    default: {
      MOZ_ASSERT(false, "bad type");
    }
  }

  return true;
}
コード例 #6
0
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
                                                     EditReplyVector& replyv)
{
  switch (aEdit.type()) {
    case CompositableOperation::TOpCreatedTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
      const OpCreatedTexture& op = aEdit.get_OpCreatedTexture();
      CompositableParent* compositableParent =
        static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable = compositableParent->GetCompositableHost();

      compositable->EnsureTextureHost(op.textureId(), op.descriptor(),
                                      compositableParent->GetCompositableManager(),
                                      op.textureInfo());

      break;
    }
    case CompositableOperation::TOpDestroyThebesBuffer: {
      MOZ_LAYERS_LOG(("[ParentSide] Created double buffer"));
      const OpDestroyThebesBuffer& op = aEdit.get_OpDestroyThebesBuffer();
      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost());
      content->DestroyTextures();

      break;
    }
    case CompositableOperation::TOpPaintTexture: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint Texture X"));
      const OpPaintTexture& op = aEdit.get_OpPaintTexture();

      CompositableParent* compositableParent =
        static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();

      Layer* layer = compositable ? compositable->GetLayer() : nullptr;
      LayerComposite* shadowLayer = layer ? layer->AsLayerComposite() : nullptr;
      if (shadowLayer) {
        Compositor* compositor = static_cast<LayerManagerComposite*>(layer->Manager())->GetCompositor();
        compositable->SetCompositor(compositor);
        compositable->SetLayer(layer);
      } else {
        // if we reach this branch, it most likely means that async textures
        // are coming in before we had time to attach the conmpositable to a
        // layer. Don't panic, it is okay in this case. it should not be
        // happening continuously, though.
      }

      if (layer) {
        RenderTraceInvalidateStart(layer, "FF00FF", layer->GetVisibleRegion().GetBounds());
      }

      if (compositable) {
        const SurfaceDescriptor& descriptor = op.image();
        compositable->EnsureTextureHost(op.textureId(),
                                        descriptor,
                                        compositableParent->GetCompositableManager(),
                                        TextureInfo());
        MOZ_ASSERT(compositable->GetTextureHost());

        SurfaceDescriptor newBack;
        bool shouldRecomposite = compositable->Update(descriptor, &newBack);
        if (IsSurfaceDescriptorValid(newBack)) {
          replyv.push_back(OpTextureSwap(compositableParent, nullptr,
                                         op.textureId(), newBack));
        }

        if (shouldRecomposite && compositableParent->GetCompositorID()) {
          CompositorParent* cp
            = CompositorParent::GetCompositor(compositableParent->GetCompositorID());
          if (cp) {
            cp->ScheduleComposition();
          }
        }
      }

      if (layer) {
        RenderTraceInvalidateEnd(layer, "FF00FF");
      }

      break;
    }
    case CompositableOperation::TOpPaintTextureRegion: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));

      const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();
      ThebesLayerComposite* thebes =
        static_cast<ThebesLayerComposite*>(compositable->GetLayer());

      const ThebesBufferData& bufferData = op.bufferData();

      RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());

      nsIntRegion frontUpdatedRegion;
      compositable->UpdateThebes(bufferData,
                                 op.updatedRegion(),
                                 thebes->GetValidRegion(),
                                 &frontUpdatedRegion);
      replyv.push_back(
        OpContentBufferSwap(compositableParent, nullptr, frontUpdatedRegion));

      RenderTraceInvalidateEnd(thebes, "FF00FF");
      break;
    }
    case CompositableOperation::TOpUpdatePictureRect: {
      const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
      CompositableHost* compositable
       = static_cast<CompositableParent*>(op.compositableParent())->GetCompositableHost();
      MOZ_ASSERT(compositable);
      compositable->SetPictureRect(op.picture());
      break;
    }
    case CompositableOperation::TOpPaintTiledLayerBuffer: {
      MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
      const OpPaintTiledLayerBuffer& op = aEdit.get_OpPaintTiledLayerBuffer();
      CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
      CompositableHost* compositable =
        compositableParent->GetCompositableHost();

      TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
      NS_ASSERTION(tileComposer, "compositable is not a tile composer");

      BasicTiledLayerBuffer* p = reinterpret_cast<BasicTiledLayerBuffer*>(op.tiledLayerBuffer());
      tileComposer->PaintedTiledLayerBuffer(p);
      break;
    }
    default: {
      MOZ_ASSERT(false, "bad type");
    }
  }

  return true;
}