зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.9 KiB
C++
87 строки
2.9 KiB
C++
/* -*- 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/. */
|
|
|
|
#ifndef MOZILLA_GFX_VIDEOBRIDGECHILD_H
|
|
#define MOZILLA_GFX_VIDEOBRIDGECHILD_H
|
|
|
|
#include "mozilla/layers/PVideoBridgeChild.h"
|
|
#include "mozilla/layers/VideoBridgeUtils.h"
|
|
#include "ISurfaceAllocator.h"
|
|
#include "TextureForwarder.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class SynchronousTask;
|
|
|
|
class VideoBridgeChild final : public PVideoBridgeChild,
|
|
public TextureForwarder {
|
|
public:
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoBridgeChild, override);
|
|
|
|
static void StartupForGPUProcess();
|
|
static void Shutdown();
|
|
|
|
static VideoBridgeChild* GetSingleton();
|
|
|
|
// PVideoBridgeChild
|
|
PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
|
|
ReadLockDescriptor& aReadLock,
|
|
const LayersBackend& aLayersBackend,
|
|
const TextureFlags& aFlags,
|
|
const uint64_t& aSerial);
|
|
bool DeallocPTextureChild(PTextureChild* actor);
|
|
|
|
void ActorDestroy(ActorDestroyReason aWhy) override;
|
|
|
|
// ISurfaceAllocator
|
|
bool AllocUnsafeShmem(size_t aSize, mozilla::ipc::Shmem* aShmem) override;
|
|
bool AllocShmem(size_t aSize, mozilla::ipc::Shmem* aShmem) override;
|
|
bool DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
|
|
|
|
// TextureForwarder
|
|
PTextureChild* CreateTexture(
|
|
const SurfaceDescriptor& aSharedData, ReadLockDescriptor&& aReadLock,
|
|
LayersBackend aLayersBackend, TextureFlags aFlags, uint64_t aSerial,
|
|
wr::MaybeExternalImageId& aExternalImageId) override;
|
|
|
|
// ClientIPCAllocator
|
|
base::ProcessId GetParentPid() const override { return OtherPid(); }
|
|
nsISerialEventTarget* GetThread() const override { return mThread; }
|
|
void CancelWaitForNotifyNotUsed(uint64_t aTextureId) override {
|
|
MOZ_ASSERT(false, "NO RECYCLING HERE");
|
|
}
|
|
|
|
// ISurfaceAllocator
|
|
bool IsSameProcess() const override;
|
|
|
|
bool CanSend() { return mCanSend; }
|
|
|
|
static void Open(Endpoint<PVideoBridgeChild>&& aEndpoint);
|
|
|
|
protected:
|
|
void HandleFatalError(const char* aMsg) const override;
|
|
bool DispatchAllocShmemInternal(size_t aSize, mozilla::ipc::Shmem* aShmem,
|
|
bool aUnsafe);
|
|
void ProxyAllocShmemNow(SynchronousTask* aTask, size_t aSize,
|
|
mozilla::ipc::Shmem* aShmem, bool aUnsafe,
|
|
bool* aSuccess);
|
|
void ProxyDeallocShmemNow(SynchronousTask* aTask, mozilla::ipc::Shmem* aShmem,
|
|
bool* aResult);
|
|
|
|
private:
|
|
VideoBridgeChild();
|
|
virtual ~VideoBridgeChild();
|
|
|
|
nsCOMPtr<nsISerialEventTarget> mThread;
|
|
bool mCanSend;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif
|