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Diffstat (limited to '')
| -rw-r--r-- | gfx/layers/ipc/CompositableTransactionParent.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/gfx/layers/ipc/CompositableTransactionParent.cpp b/gfx/layers/ipc/CompositableTransactionParent.cpp new file mode 100644 index 0000000000..cd8deb2c73 --- /dev/null +++ b/gfx/layers/ipc/CompositableTransactionParent.cpp @@ -0,0 +1,174 @@ +/* -*- 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 "mozilla/Assertions.h" // for MOZ_ASSERT, etc +#include "mozilla/RefPtr.h" // for RefPtr +#include "mozilla/layers/CompositorTypes.h" +#include "mozilla/layers/ImageBridgeParent.h" // for ImageBridgeParent +#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/WebRenderImageHost.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 { + +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), + aEdit.compositable()); +} + +bool CompositableParentManager::ReceiveCompositableUpdate( + const CompositableOperationDetail& aDetail, + NotNull<CompositableHost*> aCompositable, + const CompositableHandle& aHandle) { + switch (aDetail.type()) { + case CompositableOperationDetail::TOpRemoveTexture: { + const OpRemoveTexture& op = aDetail.get_OpRemoveTexture(); + + RefPtr<TextureHost> tex = + TextureHost::AsTextureHost(op.texture().AsParent()); + + 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.texture().AsParent()); + 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.texture().AsParent()); + 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); + } + } + } + break; + } + case CompositableOperationDetail::TOpUseRemoteTexture: { + const OpUseRemoteTexture& op = aDetail.get_OpUseRemoteTexture(); + auto* host = aCompositable->AsWebRenderImageHost(); + MOZ_ASSERT(host); + + host->PushPendingRemoteTexture(op.textureId(), op.ownerId(), + GetChildProcessId(), op.size(), + op.textureFlags()); + host->UseRemoteTexture(); + break; + } + case CompositableOperationDetail::TOpEnableRemoteTexturePushCallback: { + const OpEnableRemoteTexturePushCallback& op = + aDetail.get_OpEnableRemoteTexturePushCallback(); + + aCompositable->SetAsyncRef( + AsyncCompositableRef(GetChildProcessId(), aHandle)); + aCompositable->EnableRemoteTexturePushCallback( + op.ownerId(), GetChildProcessId(), op.size(), op.textureFlags()); + break; + } + default: { + MOZ_ASSERT(false, "bad type"); + } + } + + return true; +} + +void CompositableParentManager::DestroyActor(const OpDestroy& aOp) { + switch (aOp.type()) { + case OpDestroy::TPTexture: { + auto actor = aOp.get_PTexture().AsParent(); + 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) { + 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); + if (!host) { + return nullptr; + } + + mCompositables[aHandle.Value()] = host; + return host; +} + +RefPtr<CompositableHost> CompositableParentManager::FindCompositable( + const CompositableHandle& aHandle) { + auto iter = mCompositables.find(aHandle.Value()); + if (iter == mCompositables.end()) { + return nullptr; + } + + return iter->second; +} + +void CompositableParentManager::ReleaseCompositable( + const CompositableHandle& aHandle) { + auto iter = mCompositables.find(aHandle.Value()); + if (iter == mCompositables.end()) { + return; + } + iter->second->OnReleased(); + mCompositables.erase(iter); +} + +} // namespace layers +} // namespace mozilla |