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Diffstat (limited to '')
| -rw-r--r-- | gfx/layers/ipc/CompositableTransactionParent.cpp | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/gfx/layers/ipc/CompositableTransactionParent.cpp b/gfx/layers/ipc/CompositableTransactionParent.cpp new file mode 100644 index 0000000000..5ca2453c54 --- /dev/null +++ b/gfx/layers/ipc/CompositableTransactionParent.cpp @@ -0,0 +1,337 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 + +#ifdef MOZ_WIDGET_ANDROID +# include "mozilla/layers/AndroidHardwareBuffer.h" +#endif + +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->GetCompositorBridgeID(); + if (!id) { + return false; + } + CompositorBridgeParent* cp = + CompositorBridgeParent::GetCompositorBridgeParent(id); + if (!cp) { + return false; + } + cp->ScheduleComposition(); + return true; +} + +bool CompositableParentManager::ReceiveCompositableUpdate( + const CompositableOperation& aEdit) { + // Ignore all operations on compositables created on stale compositors. We + // return true because the child is unable to handle errors. + RefPtr<CompositableHost> compositable = + FindCompositable(aEdit.compositable()); + if (!compositable) { + return false; + } + return ReceiveCompositableUpdate(aEdit.detail(), WrapNotNull(compositable)); +} + +bool CompositableParentManager::ReceiveCompositableUpdate( + const CompositableOperationDetail& aDetail, + NotNull<CompositableHost*> aCompositable) { + if (TextureSourceProvider* provider = + aCompositable->GetTextureSourceProvider()) { + if (!provider->IsValid()) { + return false; + } + } + + switch (aDetail.type()) { + case CompositableOperationDetail::TOpPaintTextureRegion: { + MOZ_LAYERS_LOG(("[ParentSide] Paint PaintedLayer")); + + const OpPaintTextureRegion& op = aDetail.get_OpPaintTextureRegion(); + Layer* layer = aCompositable->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()); + + if (!aCompositable->UpdateThebes(bufferData, op.updatedRegion(), + thebes->GetValidRegion())) { + return false; + } + + RenderTraceInvalidateEnd(thebes, "FF00FF"); + break; + } + case CompositableOperationDetail::TOpUseTiledLayerBuffer: { + MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer")); + const OpUseTiledLayerBuffer& op = aDetail.get_OpUseTiledLayerBuffer(); + TiledContentHost* tiledHost = aCompositable->AsTiledContentHost(); + + NS_ASSERTION(tiledHost, "The compositable is not tiled"); + + const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor(); + + bool success = tiledHost->UseTiledLayerBuffer(this, tileDesc); + + const nsTArray<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.textureOnWhiteParent().isSome()) { + texture = TextureHost::AsTextureHost( + texturedDesc.textureOnWhiteParent().ref()); + 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 = aDetail.get_OpRemoveTexture(); + + RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent()); + + MOZ_ASSERT(tex.get()); + aCompositable->RemoveTextureHost(tex); + break; + } + case CompositableOperationDetail::TOpUseTexture: { + const OpUseTexture& op = aDetail.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(); + if (timedTexture.readLocked()) { + t->mTexture->SetReadLocked(); + } + } + if (textures.Length() > 0) { + aCompositable->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() && aCompositable->GetLayer()) { + ScheduleComposition(aCompositable); + } + break; + } + case CompositableOperationDetail::TOpUseComponentAlphaTextures: { + const OpUseComponentAlphaTextures& op = + aDetail.get_OpUseComponentAlphaTextures(); + RefPtr<TextureHost> texOnBlack = + TextureHost::AsTextureHost(op.textureOnBlackParent()); + RefPtr<TextureHost> texOnWhite = + TextureHost::AsTextureHost(op.textureOnWhiteParent()); + if (op.readLockedBlack()) { + texOnBlack->SetReadLocked(); + } + if (op.readLockedWhite()) { + texOnWhite->SetReadLocked(); + } + + MOZ_ASSERT(texOnBlack && texOnWhite); + aCompositable->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(aCompositable); + } + break; + } + case CompositableOperationDetail::TOpDeliverAcquireFence: { + const OpDeliverAcquireFence& op = aDetail.get_OpDeliverAcquireFence(); + RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent()); + MOZ_ASSERT(tex.get()); + MOZ_ASSERT(tex->AsAndroidHardwareBufferTextureHost()); + + auto fenceFd = op.fenceFd(); + tex->SetAcquireFence(std::move(fenceFd)); + 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::TCompositableHandle: { + ReleaseCompositable(aOp.get_CompositableHandle()); + break; + } + default: { + MOZ_ASSERT(false, "unsupported type"); + } + } +} + +RefPtr<CompositableHost> CompositableParentManager::AddCompositable( + const CompositableHandle& aHandle, const TextureInfo& aInfo, + bool aUseWebRender) { + if (mCompositables.find(aHandle.Value()) != mCompositables.end()) { + NS_ERROR("Client should not allocate duplicate handles"); + return nullptr; + } + if (!aHandle) { + NS_ERROR("Client should not allocate 0 as a handle"); + return nullptr; + } + + RefPtr<CompositableHost> host = + CompositableHost::Create(aInfo, aUseWebRender); + if (!host) { + return nullptr; + } + + mCompositables[aHandle.Value()] = host; + return host; +} + +RefPtr<CompositableHost> CompositableParentManager::FindCompositable( + const CompositableHandle& aHandle, bool aAllowDisablingWebRender) { + auto iter = mCompositables.find(aHandle.Value()); + if (iter == mCompositables.end()) { + return nullptr; + } + + RefPtr<CompositableHost> host = iter->second; + if (!aAllowDisablingWebRender) { + return host; + } + + if (!host->AsWebRenderImageHost() || !host->GetAsyncRef()) { + return host; + } + + // Try to replace WebRenderImageHost of ImageBridge to ImageHost. + RefPtr<CompositableHost> newHost = CompositableHost::Create( + host->GetTextureInfo(), /* aUseWebRender */ false); + if (!newHost || !newHost->AsImageHost()) { + MOZ_ASSERT_UNREACHABLE("unexpected to be called"); + return host; + } + + newHost->SetAsyncRef(host->GetAsyncRef()); + mCompositables[aHandle.Value()] = newHost; + + return newHost; +} + +void CompositableParentManager::ReleaseCompositable( + const CompositableHandle& aHandle) { + auto iter = mCompositables.find(aHandle.Value()); + if (iter == mCompositables.end()) { + return; + } + + RefPtr<CompositableHost> host = iter->second; + mCompositables.erase(iter); + + host->Detach(nullptr, CompositableHost::FORCE_DETACH); +} + +} // namespace layers +} // namespace mozilla |