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81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
// Created on: 2015-05-29
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// Created by: Denis BOGOLEPOV
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// Copyright (c) 2013-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BVH_BuildThread_Header
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#define _BVH_BuildThread_Header
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#include <OSD_Thread.hxx>
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#include <BVH_BuildQueue.hxx>
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//! Tool object to call BVH builder subroutines.
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struct BVH_BuildTool
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{
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//! Performs splitting of the given BVH node.
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virtual void Perform (const Standard_Integer theNode) = 0;
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};
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//! Wrapper for BVH build thread.
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class BVH_BuildThread : public Standard_Transient
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{
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template <class T, int N> friend class BVH_QueueBuilder;
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public:
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//! Creates new BVH build thread.
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Standard_EXPORT BVH_BuildThread (BVH_BuildTool& theBuildTool, BVH_BuildQueue& theBuildQueue);
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//! Starts execution of BVH build thread.
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void Run()
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{
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myWorkThread.Run (this);
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}
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//! Waits till the thread finishes execution.
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void Wait()
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{
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myWorkThread.Wait();
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}
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protected:
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//! Executes BVH build thread.
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Standard_EXPORT void execute();
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//! Thread function for BVH build thread.
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static Standard_Address threadFunction (Standard_Address theData);
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//! Assignment operator (to remove VC compile warning).
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BVH_BuildThread& operator= (const BVH_BuildThread&);
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protected:
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//! Data needed to build the BVH.
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BVH_BuildTool& myBuildTool;
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//! Reference to BVH build queue.
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BVH_BuildQueue& myBuildQueue;
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//! Thread to execute work items.
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OSD_Thread myWorkThread;
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public:
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DEFINE_STANDARD_RTTIEXT(BVH_BuildThread,Standard_Transient)
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};
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DEFINE_STANDARD_HANDLE (BVH_BuildThread, Standard_Transient)
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#endif // _BVH_BuildThread_Header
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