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67 lines
2.2 KiB
C++
67 lines
2.2 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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#include <BVH_BuildThread.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(BVH_BuildThread,Standard_Transient)
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// =======================================================================
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// function : BVH_BuildThread
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// purpose : Creates new BVH build thread
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// =======================================================================
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BVH_BuildThread::BVH_BuildThread (BVH_BuildTool& theBuildTool,
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BVH_BuildQueue& theBuildQueue)
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: myBuildTool (theBuildTool),
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myBuildQueue (theBuildQueue),
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myWorkThread (threadFunction)
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{
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//
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}
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// =======================================================================
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// function : execute
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// purpose : Executes BVH build thread
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// =======================================================================
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void BVH_BuildThread::execute()
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{
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for (Standard_Boolean wasBusy = Standard_False; /**/; /**/)
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{
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const Standard_Integer aNode = myBuildQueue.Fetch (wasBusy);
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if (aNode == -1) // queue is empty
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{
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if (!myBuildQueue.HasBusyThreads())
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{
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break; // no active threads
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}
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}
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else
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{
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myBuildTool.Perform (aNode);
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}
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}
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}
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// =======================================================================
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// function : threadFunction
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// purpose : Thread function for BVH build thread
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// =======================================================================
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Standard_Address BVH_BuildThread::threadFunction (Standard_Address theData)
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{
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static_cast<BVH_BuildThread*> (theData)->execute();
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return NULL;
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}
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