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Diffstat (limited to 'gfx/layers/ipc/CompositableTransactionParent.cpp')
| -rw-r--r-- | gfx/layers/ipc/CompositableTransactionParent.cpp | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/gfx/layers/ipc/CompositableTransactionParent.cpp b/gfx/layers/ipc/CompositableTransactionParent.cpp new file mode 100644 index 000000000..135011101 --- /dev/null +++ b/gfx/layers/ipc/CompositableTransactionParent.cpp @@ -0,0 +1,245 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=8 et : + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "CompositableTransactionParent.h" +#include "CompositableHost.h" // for CompositableParent, etc +#include "CompositorBridgeParent.h" // for CompositorBridgeParent +#include "GLContext.h" // for GLContext +#include "Layers.h" // for Layer +#include "RenderTrace.h" // for RenderTraceInvalidateEnd, etc +#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc +#include "mozilla/RefPtr.h" // for RefPtr +#include "mozilla/layers/CompositorTypes.h" +#include "mozilla/layers/ContentHost.h" // for ContentHostBase +#include "mozilla/layers/ImageBridgeParent.h" // for ImageBridgeParent +#include "mozilla/layers/LayerManagerComposite.h" +#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor +#include "mozilla/layers/LayersTypes.h" // for MOZ_LAYERS_LOG +#include "mozilla/layers/TextureHost.h" // for TextureHost +#include "mozilla/layers/TextureHostOGL.h" // for TextureHostOGL +#include "mozilla/layers/TiledContentHost.h" +#include "mozilla/layers/PaintedLayerComposite.h" +#include "mozilla/mozalloc.h" // for operator delete +#include "mozilla/Unused.h" +#include "nsDebug.h" // for NS_WARNING, NS_ASSERTION +#include "nsRegion.h" // for nsIntRegion + +namespace mozilla { +namespace layers { + +class ClientTiledLayerBuffer; +class Compositor; + +// This function can in some cases fail and return false without it being a bug. +// This can theoretically happen if the ImageBridge sends frames before +// we created the layer tree. Since we can't enforce that the layer +// tree is already created before ImageBridge operates, there isn't much +// we can do about it, but in practice it is very rare. +// Typically when a tab with a video is dragged from a window to another, +// there can be a short time when the video is still sending frames +// asynchonously while the layer tree is not reconstructed. It's not a +// big deal. +// Note that Layers transactions do not need to call this because they always +// schedule the composition, in LayerManagerComposite::EndTransaction. +static bool +ScheduleComposition(CompositableHost* aCompositable) +{ + uint64_t id = aCompositable->GetCompositorID(); + if (!id) { + return false; + } + CompositorBridgeParent* cp = CompositorBridgeParent::GetCompositorBridgeParent(id); + if (!cp) { + return false; + } + cp->ScheduleComposition(); + return true; +} + +bool +CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit, + EditReplyVector& replyv) +{ + // Ignore all operations on compositables created on stale compositors. We + // return true because the child is unable to handle errors. + CompositableHost* compositable = CompositableHost::FromIPDLActor(aEdit.compositableParent()); + if (compositable->GetCompositor() && !compositable->GetCompositor()->IsValid()) { + return true; + } + + switch (aEdit.detail().type()) { + case CompositableOperationDetail::TOpPaintTextureRegion: { + MOZ_LAYERS_LOG(("[ParentSide] Paint PaintedLayer")); + + const OpPaintTextureRegion& op = aEdit.detail().get_OpPaintTextureRegion(); + 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(aEdit.compositableParent(), nullptr, frontUpdatedRegion)); + + RenderTraceInvalidateEnd(thebes, "FF00FF"); + break; + } + case CompositableOperationDetail::TOpUseTiledLayerBuffer: { + MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer")); + const OpUseTiledLayerBuffer& op = aEdit.detail().get_OpUseTiledLayerBuffer(); + TiledContentHost* tiledHost = compositable->AsTiledContentHost(); + + NS_ASSERTION(tiledHost, "The compositable is not tiled"); + + const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor(); + + bool success = tiledHost->UseTiledLayerBuffer(this, tileDesc); + + const InfallibleTArray<TileDescriptor>& tileDescriptors = tileDesc.tiles(); + for (size_t i = 0; i < tileDescriptors.Length(); i++) { + const TileDescriptor& tileDesc = tileDescriptors[i]; + if (tileDesc.type() != TileDescriptor::TTexturedTileDescriptor) { + continue; + } + const TexturedTileDescriptor& texturedDesc = tileDesc.get_TexturedTileDescriptor(); + RefPtr<TextureHost> texture = TextureHost::AsTextureHost(texturedDesc.textureParent()); + if (texture) { + texture->SetLastFwdTransactionId(mFwdTransactionId); + // Make sure that each texture was handled by the compositable + // because the recycling logic depends on it. + MOZ_ASSERT(texture->NumCompositableRefs() > 0); + } + if (texturedDesc.textureOnWhite().type() == MaybeTexture::TPTextureParent) { + texture = TextureHost::AsTextureHost(texturedDesc.textureOnWhite().get_PTextureParent()); + if (texture) { + texture->SetLastFwdTransactionId(mFwdTransactionId); + // Make sure that each texture was handled by the compositable + // because the recycling logic depends on it. + MOZ_ASSERT(texture->NumCompositableRefs() > 0); + } + } + } + if (!success) { + return false; + } + break; + } + case CompositableOperationDetail::TOpRemoveTexture: { + const OpRemoveTexture& op = aEdit.detail().get_OpRemoveTexture(); + + RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent()); + + MOZ_ASSERT(tex.get()); + compositable->RemoveTextureHost(tex); + break; + } + case CompositableOperationDetail::TOpUseTexture: { + const OpUseTexture& op = aEdit.detail().get_OpUseTexture(); + + AutoTArray<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(); + t->mTexture->DeserializeReadLock(timedTexture.sharedLock(), this); + } + if (textures.Length() > 0) { + compositable->UseTextureHost(textures); + + for (auto& timedTexture : op.textures()) { + RefPtr<TextureHost> texture = TextureHost::AsTextureHost(timedTexture.textureParent()); + if (texture) { + texture->SetLastFwdTransactionId(mFwdTransactionId); + // Make sure that each texture was handled by the compositable + // because the recycling logic depends on it. + MOZ_ASSERT(texture->NumCompositableRefs() > 0); + } + } + } + + if (UsesImageBridge() && compositable->GetLayer()) { + ScheduleComposition(compositable); + } + break; + } + case CompositableOperationDetail::TOpUseComponentAlphaTextures: { + const OpUseComponentAlphaTextures& op = aEdit.detail().get_OpUseComponentAlphaTextures(); + RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent()); + RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent()); + texOnBlack->DeserializeReadLock(op.sharedLockBlack(), this); + texOnWhite->DeserializeReadLock(op.sharedLockWhite(), this); + + MOZ_ASSERT(texOnBlack && texOnWhite); + compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite); + + if (texOnBlack) { + texOnBlack->SetLastFwdTransactionId(mFwdTransactionId); + // Make sure that each texture was handled by the compositable + // because the recycling logic depends on it. + MOZ_ASSERT(texOnBlack->NumCompositableRefs() > 0); + } + + if (texOnWhite) { + texOnWhite->SetLastFwdTransactionId(mFwdTransactionId); + // Make sure that each texture was handled by the compositable + // because the recycling logic depends on it. + MOZ_ASSERT(texOnWhite->NumCompositableRefs() > 0); + } + + if (UsesImageBridge()) { + ScheduleComposition(compositable); + } + break; + } + default: { + MOZ_ASSERT(false, "bad type"); + } + } + + return true; +} + +void +CompositableParentManager::DestroyActor(const OpDestroy& aOp) +{ + switch (aOp.type()) { + case OpDestroy::TPTextureParent: { + auto actor = aOp.get_PTextureParent(); + TextureHost::ReceivedDestroy(actor); + break; + } + case OpDestroy::TPCompositableParent: { + auto actor = aOp.get_PCompositableParent(); + CompositableHost::ReceivedDestroy(actor); + break; + } + default: { + MOZ_ASSERT(false, "unsupported type"); + } + } +} + +} // namespace layers +} // namespace mozilla + |