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source: downloads/ogre_src_v1-9-0/OgreMain/include/Threading/OgreDefaultWorkQueueStandard.h @ 148

Last change on this file since 148 was 148, checked in by patricwi, 6 years ago

Added new dependencies for ogre1.9 and cegui0.8

File size: 2.8 KB
Line 
1/*-------------------------------------------------------------------------
2This source file is a part of OGRE
3(Object-oriented Graphics Rendering Engine)
4
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2013 Torus Knot Software Ltd
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in
16all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24THE SOFTWARE
25-------------------------------------------------------------------------*/
26#ifndef __OgreDefaultWorkQueueStandard_H__
27#define __OgreDefaultWorkQueueStandard_H__
28
29#include "../OgreWorkQueue.h"
30
31namespace Ogre
32{
33        /** Implementation of a general purpose request / response style background work queue.
34        @remarks
35                This default implementation of a work queue starts a thread pool and
36                provides queues to process requests.
37        */
38        class _OgreExport DefaultWorkQueue : public DefaultWorkQueueBase
39        {
40        public:
41
42                DefaultWorkQueue(const String& name = StringUtil::BLANK);
43                virtual ~DefaultWorkQueue(); 
44
45                /// Main function for each thread spawned.
46                virtual void _threadMain();
47
48                /// @copydoc WorkQueue::shutdown
49                virtual void shutdown();
50
51                /// @copydoc WorkQueue::startup
52                virtual void startup(bool forceRestart = true);
53
54        protected:
55                /** To be called by a separate thread; will return immediately if there
56                        are items in the queue, or suspend the thread until new items are added
57                        otherwise.
58                */
59                virtual void waitForNextRequest();
60
61                /// Notify that a thread has registered itself with the render system
62                virtual void notifyThreadRegistered();
63
64                virtual void notifyWorkers();
65
66                size_t mNumThreadsRegisteredWithRS;
67                /// Init notification mutex (must lock before waiting on initCondition)
68                OGRE_MUTEX(mInitMutex);
69                /// Synchroniser token to wait / notify on thread init
70                OGRE_THREAD_SYNCHRONISER(mInitSync);
71
72                OGRE_THREAD_SYNCHRONISER(mRequestCondition);
73#if OGRE_THREAD_SUPPORT
74                typedef vector<OGRE_THREAD_TYPE*>::type WorkerThreadList;
75                WorkerThreadList mWorkers;
76#endif
77
78        };
79
80}
81
82#endif
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