From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- gfx/ipc/CanvasRenderThread.h | 50 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 gfx/ipc/CanvasRenderThread.h (limited to 'gfx/ipc/CanvasRenderThread.h') diff --git a/gfx/ipc/CanvasRenderThread.h b/gfx/ipc/CanvasRenderThread.h new file mode 100644 index 0000000000..08dd6c6d54 --- /dev/null +++ b/gfx/ipc/CanvasRenderThread.h @@ -0,0 +1,50 @@ +/* -*- 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 _include_gfx_ipc_CanvasRenderThread_h__ +#define _include_gfx_ipc_CanvasRenderThread_h__ + +#include "mozilla/DataMutex.h" +#include "mozilla/layers/SynchronousTask.h" +#include "mozilla/StaticPtr.h" +#include "nsISupportsImpl.h" +#include "nsThread.h" + +namespace mozilla::gfx { + +class CanvasRenderThread final { + NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_DELETE_ON_MAIN_THREAD( + CanvasRenderThread) + + public: + /// Can be called from any thread, may return nullptr late in shutdown. + static CanvasRenderThread* Get(); + + /// Can only be called from the main thread, expected to be called at most + /// once during a process' lifetime. + static void Start(); + + /// Can only be called from the main thread. + static void ShutDown(); + + /// Can be called from any thread. + static bool IsInCanvasRenderThread(); + + /// Can be called from any thread, may return nullptr late in shutdown. + static already_AddRefed GetCanvasRenderThread(); + + private: + explicit CanvasRenderThread(RefPtr aThread); + ~CanvasRenderThread(); + + void PostRunnable(already_AddRefed aRunnable); + + RefPtr const mThread; +}; + +} // namespace mozilla::gfx + +#endif // _include_gfx_ipc_CanvasRenderThread_h__ -- cgit v1.2.3