65578e1c |
1 | // Created on: 2015-05-29 |
2 | // Created by: Denis BOGOLEPOV |
3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _BVH_BuildThread_Header |
17 | #define _BVH_BuildThread_Header |
18 | |
19 | #include <OSD_Thread.hxx> |
20 | #include <BVH_BuildQueue.hxx> |
21 | |
22 | //! Tool object to call BVH builder subroutines. |
23 | struct BVH_BuildTool |
24 | { |
25 | //! Performs splitting of the given BVH node. |
26 | virtual void Perform (const Standard_Integer theNode) = 0; |
27 | }; |
28 | |
29 | //! Wrapper for BVH build thread. |
30 | class BVH_BuildThread : public Standard_Transient |
31 | { |
32 | template <class T, int N> friend class BVH_QueueBuilder; |
33 | |
34 | public: |
35 | |
36 | //! Creates new BVH build thread. |
37 | Standard_EXPORT BVH_BuildThread (BVH_BuildTool& theBuildTool, BVH_BuildQueue& theBuildQueue); |
38 | |
39 | //! Starts execution of BVH build thread. |
40 | void Run() |
41 | { |
42 | myWorkThread.Run (this); |
43 | } |
44 | |
45 | //! Waits till the thread finishes execution. |
46 | void Wait() |
47 | { |
48 | myWorkThread.Wait(); |
49 | } |
50 | |
51 | protected: |
52 | |
53 | //! Executes BVH build thread. |
54 | Standard_EXPORT void execute(); |
55 | |
56 | //! Thread function for BVH build thread. |
57 | static Standard_Address threadFunction (Standard_Address theData); |
58 | |
59 | //! Assignment operator (to remove VC compile warning). |
60 | BVH_BuildThread& operator= (const BVH_BuildThread&); |
61 | |
62 | protected: |
63 | |
64 | //! Data needed to build the BVH. |
65 | BVH_BuildTool& myBuildTool; |
66 | |
67 | //! Reference to BVH build queue. |
68 | BVH_BuildQueue& myBuildQueue; |
69 | |
70 | //! Thread to execute work items. |
71 | OSD_Thread myWorkThread; |
72 | |
73 | public: |
74 | |
92efcf78 |
75 | DEFINE_STANDARD_RTTIEXT(BVH_BuildThread,Standard_Transient) |
65578e1c |
76 | }; |
77 | |
78 | DEFINE_STANDARD_HANDLE (BVH_BuildThread, Standard_Transient) |
79 | |
80 | #endif // _BVH_BuildThread_Header |