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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/ipc/VideoBridgeChild.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/layers/ipc/VideoBridgeChild.cpp')
-rw-r--r--gfx/layers/ipc/VideoBridgeChild.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/gfx/layers/ipc/VideoBridgeChild.cpp b/gfx/layers/ipc/VideoBridgeChild.cpp
new file mode 100644
index 000000000..9651c563e
--- /dev/null
+++ b/gfx/layers/ipc/VideoBridgeChild.cpp
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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 "VideoBridgeChild.h"
+#include "VideoBridgeParent.h"
+#include "CompositorThread.h"
+
+namespace mozilla {
+namespace layers {
+
+StaticRefPtr<VideoBridgeChild> sVideoBridgeChildSingleton;
+
+/* static */ void
+VideoBridgeChild::Startup()
+{
+ sVideoBridgeChildSingleton = new VideoBridgeChild();
+ RefPtr<VideoBridgeParent> parent = new VideoBridgeParent();
+
+ MessageLoop* loop = CompositorThreadHolder::Loop();
+
+ sVideoBridgeChildSingleton->Open(parent->GetIPCChannel(),
+ loop,
+ ipc::ChildSide);
+ sVideoBridgeChildSingleton->mIPDLSelfRef = sVideoBridgeChildSingleton;
+ parent->SetOtherProcessId(base::GetCurrentProcId());
+}
+
+/* static */ void
+VideoBridgeChild::Shutdown()
+{
+ if (sVideoBridgeChildSingleton) {
+ sVideoBridgeChildSingleton->Close();
+ sVideoBridgeChildSingleton = nullptr;
+ }
+}
+
+VideoBridgeChild::VideoBridgeChild()
+ : mMessageLoop(MessageLoop::current())
+ , mCanSend(true)
+{
+}
+
+VideoBridgeChild::~VideoBridgeChild()
+{
+}
+
+VideoBridgeChild*
+VideoBridgeChild::GetSingleton()
+{
+ return sVideoBridgeChildSingleton;
+}
+
+bool
+VideoBridgeChild::AllocUnsafeShmem(size_t aSize,
+ ipc::SharedMemory::SharedMemoryType aType,
+ ipc::Shmem* aShmem)
+{
+ return PVideoBridgeChild::AllocUnsafeShmem(aSize, aType, aShmem);
+}
+
+bool
+VideoBridgeChild::AllocShmem(size_t aSize,
+ ipc::SharedMemory::SharedMemoryType aType,
+ ipc::Shmem* aShmem)
+{
+ MOZ_ASSERT(CanSend());
+ return PVideoBridgeChild::AllocShmem(aSize, aType, aShmem);
+}
+
+bool
+VideoBridgeChild::DeallocShmem(ipc::Shmem& aShmem)
+{
+ return PVideoBridgeChild::DeallocShmem(aShmem);
+}
+
+PTextureChild*
+VideoBridgeChild::AllocPTextureChild(const SurfaceDescriptor&,
+ const LayersBackend&,
+ const TextureFlags&,
+ const uint64_t& aSerial)
+{
+ MOZ_ASSERT(CanSend());
+ return TextureClient::CreateIPDLActor();
+}
+
+bool
+VideoBridgeChild::DeallocPTextureChild(PTextureChild* actor)
+{
+ return TextureClient::DestroyIPDLActor(actor);
+}
+
+void
+VideoBridgeChild::ActorDestroy(ActorDestroyReason aWhy)
+{
+ mCanSend = false;
+}
+
+void
+VideoBridgeChild::DeallocPVideoBridgeChild()
+{
+ mIPDLSelfRef = nullptr;
+}
+
+PTextureChild*
+VideoBridgeChild::CreateTexture(const SurfaceDescriptor& aSharedData,
+ LayersBackend aLayersBackend,
+ TextureFlags aFlags,
+ uint64_t aSerial)
+{
+ MOZ_ASSERT(CanSend());
+ return SendPTextureConstructor(aSharedData, aLayersBackend, aFlags, aSerial);
+}
+
+bool VideoBridgeChild::IsSameProcess() const
+{
+ return OtherPid() == base::GetCurrentProcId();
+}
+
+} // namespace layers
+} // namespace mozilla