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; }
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; }
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; }
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; }