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::TOpPaintTextureRegion: { MOZ_LAYERS_LOG(("[ParentSide] Paint PaintedLayer")); const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion(); CompositableHost* compositable = AsCompositable(op); Layer* layer = compositable->GetLayer(); if (!layer || layer->GetType() != Layer::TYPE_PAINTED) { return false; } PaintedLayerComposite* thebes = static_cast<PaintedLayerComposite*>(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::TOpUseTiledLayerBuffer: { MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer")); const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer(); TiledContentHost* compositable = AsCompositable(op)->AsTiledContentHost(); NS_ASSERTION(compositable, "The compositable is not tiled"); const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor(); bool success = compositable->UseTiledLayerBuffer(this, tileDesc); if (!success) { return false; } 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. SendFenceHandleIfPresent(op.textureParent(), compositable); 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() && ImageBridgeParent::GetInstance(GetChildProcessId())) { // send FenceHandle if present via ImageBridge. ImageBridgeParent::AppendDeliverFenceMessage( GetChildProcessId(), op.holderId(), op.transactionId(), op.textureParent(), compositable); // If the message is recievied via PLayerTransaction, // Send message back via PImageBridge. ImageBridgeParent::ReplyRemoveTexture( GetChildProcessId(), OpReplyRemoveTexture(op.holderId(), op.transactionId())); } else { // send FenceHandle if present. SendFenceHandleIfPresent(op.textureParent(), compositable); ReplyRemoveTexture(OpReplyRemoveTexture(op.holderId(), op.transactionId())); } break; } case CompositableOperation::TOpUseTexture: { const OpUseTexture& op = aEdit.get_OpUseTexture(); CompositableHost* compositable = AsCompositable(op); nsAutoTArray<CompositableHost::TimedTexture,4> textures; for (auto& timedTexture : op.textures()) { CompositableHost::TimedTexture* t = textures.AppendElement(); t->mTexture = TextureHost::AsTextureHost(timedTexture.textureParent()); MOZ_ASSERT(t->mTexture); t->mTimeStamp = timedTexture.timeStamp(); t->mPictureRect = timedTexture.picture(); t->mFrameID = timedTexture.frameID(); t->mProducerID = timedTexture.producerID(); MOZ_ASSERT(ValidatePictureRect(t->mTexture->GetSize(), t->mPictureRect)); MaybeFence maybeFence = timedTexture.fence(); if (maybeFence.type() == MaybeFence::TFenceHandle) { FenceHandle fence = maybeFence.get_FenceHandle(); if (fence.IsValid()) { t->mTexture->SetAcquireFenceHandle(fence); } } } compositable->UseTextureHost(textures); if (IsAsync() && compositable->GetLayer()) { ScheduleComposition(op); } 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!"); if (!ValidatePictureRect(op.overlay().size(), op.picture())) { return false; } compositable->UseOverlaySource(op.overlay(), op.picture()); break; } #endif default: { MOZ_ASSERT(false, "bad type"); } } return true; }
bool CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit, EditReplyVector& replyv) { switch (aEdit.type()) { case CompositableOperation::TOpCreatedSingleBuffer: { MOZ_LAYERS_LOG(("[ParentSide] Created single buffer")); const OpCreatedSingleBuffer& op = aEdit.get_OpCreatedSingleBuffer(); CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent()); TextureParent* textureParent = static_cast<TextureParent*>(op.bufferParent()); textureParent->EnsureTextureHost(op.descriptor().type()); textureParent->GetTextureHost()->SetBuffer(new SurfaceDescriptor(op.descriptor()), compositableParent->GetCompositableManager()); ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost()); content->SetTextureHosts(textureParent->GetTextureHost()); break; } case CompositableOperation::TOpCreatedDoubleBuffer: { MOZ_LAYERS_LOG(("[ParentSide] Created double buffer")); const OpCreatedDoubleBuffer& op = aEdit.get_OpCreatedDoubleBuffer(); CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent()); TextureParent* frontParent = static_cast<TextureParent*>(op.frontParent()); TextureParent* backParent = static_cast<TextureParent*>(op.backParent()); frontParent->EnsureTextureHost(op.frontDescriptor().type()); backParent->EnsureTextureHost(op.backDescriptor().type()); frontParent->GetTextureHost()->SetBuffer(new SurfaceDescriptor(op.frontDescriptor()), compositableParent->GetCompositableManager()); backParent->GetTextureHost()->SetBuffer(new SurfaceDescriptor(op.backDescriptor()), compositableParent->GetCompositableManager()); ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost()); content->SetTextureHosts(frontParent->GetTextureHost(), backParent->GetTextureHost()); 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(); TextureParent* textureParent = static_cast<TextureParent*>(op.textureParent()); CompositableHost* compositable = textureParent->GetCompositableHost(); Layer* layer = GetLayerFromOpPaint(op); ShadowLayer* shadowLayer = layer ? layer->AsShadowLayer() : 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()); } const SurfaceDescriptor& descriptor = op.image(); textureParent->EnsureTextureHost(descriptor.type()); MOZ_ASSERT(textureParent->GetTextureHost()); SurfaceDescriptor newBack; bool shouldRecomposite = compositable->Update(op.image(), &newBack); if (IsSurfaceDescriptorValid(newBack)) { replyv.push_back(OpTextureSwap(op.textureParent(), nullptr, newBack)); } if (shouldRecomposite && textureParent->GetCompositorID()) { CompositorParent* cp = CompositorParent::GetCompositor(textureParent->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(); ShadowThebesLayer* thebes = static_cast<ShadowThebesLayer*>(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; } default: { MOZ_ASSERT(false, "bad type"); } } return true; }
void BasicThebesLayer::PaintThebes(gfxContext* aContext, Layer* aMaskLayer, LayerManager::DrawThebesLayerCallback aCallback, void* aCallbackData, ReadbackProcessor* aReadback) { PROFILER_LABEL("BasicThebesLayer", "PaintThebes"); NS_ASSERTION(BasicManager()->InDrawing(), "Can only draw in drawing phase"); nsTArray<ReadbackProcessor::Update> readbackUpdates; if (aReadback && UsedForReadback()) { aReadback->GetThebesLayerUpdates(this, &readbackUpdates); } float opacity = GetEffectiveOpacity(); CompositionOp effectiveOperator = GetEffectiveOperator(this); if (!BasicManager()->IsRetained()) { NS_ASSERTION(readbackUpdates.IsEmpty(), "Can't do readback for non-retained layer"); mValidRegion.SetEmpty(); mContentClient->Clear(); nsIntRegion toDraw = IntersectWithClip(GetEffectiveVisibleRegion(), aContext); RenderTraceInvalidateStart(this, "FFFF00", toDraw.GetBounds()); if (!toDraw.IsEmpty() && !IsHidden()) { if (!aCallback) { BasicManager()->SetTransactionIncomplete(); return; } aContext->Save(); bool needsClipToVisibleRegion = GetClipToVisibleRegion(); bool needsGroup = opacity != 1.0 || effectiveOperator != CompositionOp::OP_OVER || aMaskLayer; nsRefPtr<gfxContext> groupContext; if (needsGroup) { groupContext = BasicManager()->PushGroupForLayer(aContext, this, toDraw, &needsClipToVisibleRegion); if (effectiveOperator != CompositionOp::OP_OVER) { needsClipToVisibleRegion = true; } } else { groupContext = aContext; } SetAntialiasingFlags(this, groupContext); aCallback(this, groupContext, toDraw, DrawRegionClip::CLIP_NONE, nsIntRegion(), aCallbackData); if (needsGroup) { BasicManager()->PopGroupToSourceWithCachedSurface(aContext, groupContext); if (needsClipToVisibleRegion) { gfxUtils::ClipToRegion(aContext, toDraw); } AutoSetOperator setOptimizedOperator(aContext, ThebesOp(effectiveOperator)); PaintWithMask(aContext, opacity, aMaskLayer); } aContext->Restore(); } RenderTraceInvalidateEnd(this, "FFFF00"); return; } if (BasicManager()->IsTransactionIncomplete()) return; gfxRect clipExtents; clipExtents = aContext->GetClipExtents(); // Pull out the mask surface and transform here, because the mask // is internal to basic layers AutoMoz2DMaskData mask; SourceSurface* maskSurface = nullptr; Matrix maskTransform; if (GetMaskData(aMaskLayer, &mask)) { maskSurface = mask.GetSurface(); maskTransform = mask.GetTransform(); } if (!IsHidden() && !clipExtents.IsEmpty()) { mContentClient->DrawTo(this, aContext->GetDrawTarget(), opacity, GetOperator(), maskSurface, &maskTransform); } for (uint32_t i = 0; i < readbackUpdates.Length(); ++i) { ReadbackProcessor::Update& update = readbackUpdates[i]; nsIntPoint offset = update.mLayer->GetBackgroundLayerOffset(); nsRefPtr<gfxContext> ctx = update.mLayer->GetSink()->BeginUpdate(update.mUpdateRect + offset, update.mSequenceCounter); if (ctx) { NS_ASSERTION(opacity == 1.0, "Should only read back opaque layers"); ctx->Translate(gfxPoint(offset.x, offset.y)); mContentClient->DrawTo(this, ctx->GetDrawTarget(), 1.0, CompositionOpForOp(ctx->CurrentOperator()), maskSurface, &maskTransform); update.mLayer->GetSink()->EndUpdate(ctx, update.mUpdateRect + offset); } } }
void BasicThebesLayer::Validate(LayerManager::DrawThebesLayerCallback aCallback, void* aCallbackData) { if (!mContentClient) { // This client will have a null Forwarder, which means it will not have // a ContentHost on the other side. mContentClient = new ContentClientBasic(); } if (!BasicManager()->IsRetained()) { return; } uint32_t flags = 0; #ifndef MOZ_WIDGET_ANDROID if (BasicManager()->CompositorMightResample()) { flags |= RotatedContentBuffer::PAINT_WILL_RESAMPLE; } if (!(flags & RotatedContentBuffer::PAINT_WILL_RESAMPLE)) { if (MayResample()) { flags |= RotatedContentBuffer::PAINT_WILL_RESAMPLE; } } #endif if (mDrawAtomically) { flags |= RotatedContentBuffer::PAINT_NO_ROTATION; } PaintState state = mContentClient->BeginPaintBuffer(this, flags); mValidRegion.Sub(mValidRegion, state.mRegionToInvalidate); if (DrawTarget* target = mContentClient->BorrowDrawTargetForPainting(state)) { // The area that became invalid and is visible needs to be repainted // (this could be the whole visible area if our buffer switched // from RGB to RGBA, because we might need to repaint with // subpixel AA) state.mRegionToInvalidate.And(state.mRegionToInvalidate, GetEffectiveVisibleRegion()); SetAntialiasingFlags(this, target); RenderTraceInvalidateStart(this, "FFFF00", state.mRegionToDraw.GetBounds()); nsRefPtr<gfxContext> ctx = gfxContext::ContextForDrawTarget(target); PaintBuffer(ctx, state.mRegionToDraw, state.mRegionToDraw, state.mRegionToInvalidate, state.mDidSelfCopy, state.mClip, aCallback, aCallbackData); MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) PaintThebes", this)); Mutated(); ctx = nullptr; mContentClient->ReturnDrawTargetToBuffer(target); RenderTraceInvalidateEnd(this, "FFFF00"); } else { // It's possible that state.mRegionToInvalidate is nonempty here, // if we are shrinking the valid region to nothing. So use mRegionToDraw // instead. NS_WARN_IF_FALSE(state.mRegionToDraw.IsEmpty(), "No context when we have something to draw, resource exhaustion?"); } }
bool ShadowLayersParent::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()->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<ShadowThebesLayer> layer = layer_manager()->CreateShadowThebesLayer(); layer->SetAllocator(this); AsShadowLayer(edit.get_OpCreateThebesLayer())->Bind(layer); break; } case Edit::TOpCreateContainerLayer: { MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer")); nsRefPtr<ContainerLayer> layer = layer_manager()->CreateShadowContainerLayer(); AsShadowLayer(edit.get_OpCreateContainerLayer())->Bind(layer); break; } case Edit::TOpCreateImageLayer: { MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer")); nsRefPtr<ShadowImageLayer> layer = layer_manager()->CreateShadowImageLayer(); AsShadowLayer(edit.get_OpCreateImageLayer())->Bind(layer); break; } case Edit::TOpCreateColorLayer: { MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer")); nsRefPtr<ShadowColorLayer> layer = layer_manager()->CreateShadowColorLayer(); AsShadowLayer(edit.get_OpCreateColorLayer())->Bind(layer); break; } case Edit::TOpCreateCanvasLayer: { MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer")); nsRefPtr<ShadowCanvasLayer> layer = layer_manager()->CreateShadowCanvasLayer(); layer->SetAllocator(this); AsShadowLayer(edit.get_OpCreateCanvasLayer())->Bind(layer); break; } case Edit::TOpCreateRefLayer: { MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer")); nsRefPtr<ShadowRefLayer> layer = layer_manager()->CreateShadowRefLayer(); layer->SetAllocator(this); AsShadowLayer(edit.get_OpCreateRefLayer())->Bind(layer); break; } // Attributes case Edit::TOpSetLayerAttributes: { MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes")); const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes(); Layer* layer = AsShadowLayer(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()); static bool fixedPositionLayersEnabled = getenv("MOZ_ENABLE_FIXED_POSITION_LAYERS") != 0; if (fixedPositionLayersEnabled) { layer->SetIsFixedPosition(common.isFixedPosition()); layer->SetFixedPositionAnchor(common.fixedPositionAnchor()); } 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")); ShadowThebesLayer* thebesLayer = static_cast<ShadowThebesLayer*>(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()); 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()); 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->SetForceSingleTile(attrs.forceSingleTile()); break; } default: NS_RUNTIMEABORT("not reached"); } break; } // Tree ops case Edit::TOpSetRoot: { MOZ_LAYERS_LOG(("[ParentSide] SetRoot")); mRoot = AsShadowLayer(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::TOpPaintTiledLayerBuffer: { MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer")); const OpPaintTiledLayerBuffer& op = edit.get_OpPaintTiledLayerBuffer(); ShadowLayerParent* shadow = AsShadowLayer(op); ShadowThebesLayer* shadowLayer = static_cast<ShadowThebesLayer*>(shadow->AsLayer()); TiledLayerComposer* tileComposer = shadowLayer->AsTiledLayerComposer(); NS_ASSERTION(tileComposer, "shadowLayer is not a tile composer"); BasicTiledLayerBuffer* p = (BasicTiledLayerBuffer*)op.tiledLayerBuffer(); tileComposer->PaintedTiledLayerBuffer(p); break; } case Edit::TOpPaintThebesBuffer: { MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer")); const OpPaintThebesBuffer& op = edit.get_OpPaintThebesBuffer(); ShadowLayerParent* shadow = AsShadowLayer(op); ShadowThebesLayer* thebes = static_cast<ShadowThebesLayer*>(shadow->AsLayer()); const ThebesBuffer& newFront = op.newFrontBuffer(); RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds()); OptionalThebesBuffer newBack; nsIntRegion newValidRegion; OptionalThebesBuffer readonlyFront; nsIntRegion frontUpdatedRegion; thebes->Swap(newFront, op.updatedRegion(), &newBack, &newValidRegion, &readonlyFront, &frontUpdatedRegion); replyv.push_back( OpThebesBufferSwap( shadow, NULL, newBack, newValidRegion, readonlyFront, frontUpdatedRegion)); RenderTraceInvalidateEnd(thebes, "FF00FF"); break; } case Edit::TOpPaintCanvas: { MOZ_LAYERS_LOG(("[ParentSide] Paint CanvasLayer")); const OpPaintCanvas& op = edit.get_OpPaintCanvas(); ShadowLayerParent* shadow = AsShadowLayer(op); ShadowCanvasLayer* canvas = static_cast<ShadowCanvasLayer*>(shadow->AsLayer()); RenderTraceInvalidateStart(canvas, "FF00FF", canvas->GetVisibleRegion().GetBounds()); canvas->SetAllocator(this); CanvasSurface newBack; canvas->Swap(op.newFrontBuffer(), op.needYFlip(), &newBack); canvas->Updated(); replyv.push_back(OpBufferSwap(shadow, NULL, newBack)); RenderTraceInvalidateEnd(canvas, "FF00FF"); break; } case Edit::TOpPaintImage: { MOZ_LAYERS_LOG(("[ParentSide] Paint ImageLayer")); const OpPaintImage& op = edit.get_OpPaintImage(); ShadowLayerParent* shadow = AsShadowLayer(op); ShadowImageLayer* image = static_cast<ShadowImageLayer*>(shadow->AsLayer()); RenderTraceInvalidateStart(image, "FF00FF", image->GetVisibleRegion().GetBounds()); image->SetAllocator(this); SharedImage newBack; image->Swap(op.newFrontBuffer(), &newBack); replyv.push_back(OpImageSwap(shadow, NULL, newBack)); RenderTraceInvalidateEnd(image, "FF00FF"); break; } default: NS_RUNTIMEABORT("not reached"); } } layer_manager()->EndTransaction(NULL, NULL, LayerManager::END_NO_IMMEDIATE_REDRAW); 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. ShadowLayerManager::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; }
void BasicThebesLayer::PaintThebes(gfxContext* aContext, Layer* aMaskLayer, LayerManager::DrawThebesLayerCallback aCallback, void* aCallbackData, ReadbackProcessor* aReadback) { PROFILER_LABEL("BasicThebesLayer", "PaintThebes"); NS_ASSERTION(BasicManager()->InDrawing(), "Can only draw in drawing phase"); nsRefPtr<gfxASurface> targetSurface = aContext->CurrentSurface(); if (!mContentClient) { MOZ_ASSERT(!AsShadowableLayer() || !static_cast<BasicShadowableThebesLayer*>(AsShadowableLayer())->HasShadow(), "OMTC layers must have a content client by now"); // we pass a null pointer for the Forwarder argument, which means // this will not have a ContentHost on the other side. mContentClient = new ContentClientBasic(nullptr, BasicManager()); } nsTArray<ReadbackProcessor::Update> readbackUpdates; if (aReadback && UsedForReadback()) { aReadback->GetThebesLayerUpdates(this, &readbackUpdates); } //TODO: This is going to copy back pixels that we might end up // drawing over anyway. It would be nice if we could avoid // this duplication. mContentClient->SyncFrontBufferToBackBuffer(); bool canUseOpaqueSurface = CanUseOpaqueSurface(); ContentType contentType = canUseOpaqueSurface ? gfxASurface::CONTENT_COLOR : gfxASurface::CONTENT_COLOR_ALPHA; float opacity = GetEffectiveOpacity(); if (!BasicManager()->IsRetained()) { NS_ASSERTION(readbackUpdates.IsEmpty(), "Can't do readback for non-retained layer"); mValidRegion.SetEmpty(); mContentClient->Clear(); nsIntRegion toDraw = IntersectWithClip(GetEffectiveVisibleRegion(), aContext); RenderTraceInvalidateStart(this, "FFFF00", toDraw.GetBounds()); if (!toDraw.IsEmpty() && !IsHidden()) { if (!aCallback) { BasicManager()->SetTransactionIncomplete(); return; } aContext->Save(); bool needsClipToVisibleRegion = GetClipToVisibleRegion(); bool needsGroup = opacity != 1.0 || GetOperator() != gfxContext::OPERATOR_OVER || aMaskLayer; nsRefPtr<gfxContext> groupContext; if (needsGroup) { groupContext = BasicManager()->PushGroupForLayer(aContext, this, toDraw, &needsClipToVisibleRegion); if (GetOperator() != gfxContext::OPERATOR_OVER) { needsClipToVisibleRegion = true; } } else { groupContext = aContext; } SetAntialiasingFlags(this, groupContext); aCallback(this, groupContext, toDraw, nsIntRegion(), aCallbackData); if (needsGroup) { BasicManager()->PopGroupToSourceWithCachedSurface(aContext, groupContext); if (needsClipToVisibleRegion) { gfxUtils::ClipToRegion(aContext, toDraw); } AutoSetOperator setOperator(aContext, GetOperator()); PaintWithMask(aContext, opacity, aMaskLayer); } aContext->Restore(); } RenderTraceInvalidateEnd(this, "FFFF00"); return; } { uint32_t flags = 0; #ifndef MOZ_WIDGET_ANDROID if (BasicManager()->CompositorMightResample()) { flags |= ThebesLayerBuffer::PAINT_WILL_RESAMPLE; } if (!(flags & ThebesLayerBuffer::PAINT_WILL_RESAMPLE)) { if (MayResample()) { flags |= ThebesLayerBuffer::PAINT_WILL_RESAMPLE; } } #endif if (mDrawAtomically) { flags |= ThebesLayerBuffer::PAINT_NO_ROTATION; } PaintState state = mContentClient->BeginPaintBuffer(this, contentType, flags); mValidRegion.Sub(mValidRegion, state.mRegionToInvalidate); if (state.mContext) { // The area that became invalid and is visible needs to be repainted // (this could be the whole visible area if our buffer switched // from RGB to RGBA, because we might need to repaint with // subpixel AA) state.mRegionToInvalidate.And(state.mRegionToInvalidate, GetEffectiveVisibleRegion()); nsIntRegion extendedDrawRegion = state.mRegionToDraw; SetAntialiasingFlags(this, state.mContext); RenderTraceInvalidateStart(this, "FFFF00", state.mRegionToDraw.GetBounds()); PaintBuffer(state.mContext, state.mRegionToDraw, extendedDrawRegion, state.mRegionToInvalidate, state.mDidSelfCopy, aCallback, aCallbackData); MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) PaintThebes", this)); Mutated(); RenderTraceInvalidateEnd(this, "FFFF00"); } else { // It's possible that state.mRegionToInvalidate is nonempty here, // if we are shrinking the valid region to nothing. So use mRegionToDraw // instead. NS_WARN_IF_FALSE(state.mRegionToDraw.IsEmpty(), "No context when we have something to draw, resource exhaustion?"); } } if (BasicManager()->IsTransactionIncomplete()) return; gfxRect clipExtents; clipExtents = aContext->GetClipExtents(); // Pull out the mask surface and transform here, because the mask // is internal to basic layers AutoMaskData mask; gfxASurface* maskSurface = nullptr; const gfxMatrix* maskTransform = nullptr; if (GetMaskData(aMaskLayer, &mask)) { maskSurface = mask.GetSurface(); maskTransform = &mask.GetTransform(); } if (!IsHidden() && !clipExtents.IsEmpty()) { AutoSetOperator setOperator(aContext, GetOperator()); mContentClient->DrawTo(this, aContext, opacity, maskSurface, maskTransform); } for (uint32_t i = 0; i < readbackUpdates.Length(); ++i) { ReadbackProcessor::Update& update = readbackUpdates[i]; nsIntPoint offset = update.mLayer->GetBackgroundLayerOffset(); nsRefPtr<gfxContext> ctx = update.mLayer->GetSink()->BeginUpdate(update.mUpdateRect + offset, update.mSequenceCounter); if (ctx) { NS_ASSERTION(opacity == 1.0, "Should only read back opaque layers"); ctx->Translate(gfxPoint(offset.x, offset.y)); mContentClient->DrawTo(this, ctx, 1.0, maskSurface, maskTransform); update.mLayer->GetSink()->EndUpdate(ctx, update.mUpdateRect + offset); } } }