forked from mirrors/gecko-dev
68 lines
1.8 KiB
C++
68 lines
1.8 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_layers_CompositorThread_h
|
|
#define mozilla_layers_CompositorThread_h
|
|
|
|
#include "base/basictypes.h" // for DISALLOW_EVIL_CONSTRUCTORS
|
|
#include "base/platform_thread.h" // for PlatformThreadId
|
|
#include "base/thread.h" // for Thread
|
|
#include "base/message_loop.h"
|
|
#include "nsISupportsImpl.h"
|
|
#include "ThreadSafeRefcountingWithMainThreadDestruction.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class CompositorThreadHolder final
|
|
{
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_MAIN_THREAD_DESTRUCTION(CompositorThreadHolder)
|
|
|
|
public:
|
|
CompositorThreadHolder();
|
|
|
|
base::Thread* GetCompositorThread() const {
|
|
return mCompositorThread;
|
|
}
|
|
|
|
static CompositorThreadHolder* GetSingleton();
|
|
|
|
static bool IsActive() {
|
|
return !!GetSingleton();
|
|
}
|
|
|
|
/**
|
|
* Creates the compositor thread and the global compositor map.
|
|
*/
|
|
static void Start();
|
|
|
|
/*
|
|
* Waits for all [CrossProcess]CompositorBridgeParents to shutdown and
|
|
* releases compositor-thread owned resources.
|
|
*/
|
|
static void Shutdown();
|
|
|
|
static MessageLoop* Loop();
|
|
|
|
// Returns true if the calling thread is the compositor thread.
|
|
static bool IsInCompositorThread();
|
|
|
|
private:
|
|
~CompositorThreadHolder();
|
|
|
|
base::Thread* const mCompositorThread;
|
|
|
|
static base::Thread* CreateCompositorThread();
|
|
static void DestroyCompositorThread(base::Thread* aCompositorThread);
|
|
|
|
friend class CompositorBridgeParent;
|
|
};
|
|
|
|
base::Thread* CompositorThread();
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_layers_CompositorThread_h
|