Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  */
       9             : 
      10             : #include <sal/log.hxx>
      11             : 
      12             : #include "formulagroup.hxx"
      13             : #include "grouptokenconverter.hxx"
      14             : 
      15             : #include "clkernelthread.hxx"
      16             : 
      17             : using namespace std;
      18             : 
      19             : namespace sc {
      20             : 
      21           0 : CLBuildKernelThread::CLBuildKernelThread() :
      22           0 :     salhelper::Thread("opencl-build-kernel-thread")
      23             : {
      24           0 : }
      25             : 
      26           0 : CLBuildKernelThread::~CLBuildKernelThread()
      27             : {
      28           0 : }
      29             : 
      30           0 : void CLBuildKernelThread::execute()
      31             : {
      32             :     SAL_INFO("sc.opencl.thread", "running");
      33             : 
      34           0 :     bool done = false;
      35           0 :     while (!done)
      36             :     {
      37             :         SAL_INFO("sc.opencl.thread", "waiting for condition");
      38           0 :         maQueueCondition.wait();
      39             :         SAL_INFO("sc.opencl.thread", "got condition");
      40           0 :         osl::ResettableMutexGuard aGuard(maQueueMutex);
      41           0 :         maQueueCondition.reset();
      42           0 :         while (!maQueue.empty())
      43             :         {
      44           0 :             CLBuildKernelWorkItem aWorkItem = maQueue.front();
      45           0 :             maQueue.pop();
      46           0 :             aGuard.clear();
      47             : 
      48           0 :             switch (aWorkItem.meWhatToDo)
      49             :             {
      50             :             case CLBuildKernelWorkItem::COMPILE:
      51             :                 SAL_INFO("sc.opencl.thread", "told to compile group " << aWorkItem.mxGroup << " (state " << aWorkItem.mxGroup->meCalcState << ") to binary");
      52           0 :                 aWorkItem.mxGroup->compileOpenCLKernel();
      53             :                 SAL_INFO("sc.opencl.thread", "group " << aWorkItem.mxGroup << " compilation done");
      54           0 :                 maCompilationDoneCondition.set();
      55           0 :                 break;
      56             :             case CLBuildKernelWorkItem::FINISH:
      57             :                 SAL_INFO("sc.opencl.thread", "told to finish");
      58           0 :                 done = true;
      59           0 :                 break;
      60             :             }
      61             : 
      62           0 :             aGuard.reset();
      63           0 :         }
      64           0 :     }
      65           0 : }
      66             : 
      67           0 : void CLBuildKernelThread::push(CLBuildKernelWorkItem item)
      68             : {
      69           0 :     osl::MutexGuard guard(maQueueMutex);
      70           0 :     maQueue.push(item);
      71           0 :     maQueueCondition.set();
      72             : 
      73             :     // This is only to ensure that the OpenCL parameters are initialized on
      74             :     // the main thread before spawning a worker thread for kernel
      75             :     // pre-compilation.
      76           0 :     sc::FormulaGroupInterpreter::getStatic();
      77           0 : }
      78             : 
      79           0 : void CLBuildKernelThread::produce()
      80             : {
      81           0 : }
      82             : 
      83           0 : void CLBuildKernelThread::consume()
      84             : {
      85           0 : }
      86             : 
      87           0 : void CLBuildKernelThread::finish()
      88             : {
      89             :     SAL_INFO("sc.opencl", "telling thread to finish");
      90           0 :     CLBuildKernelWorkItem aWorkItem;
      91           0 :     aWorkItem.meWhatToDo = CLBuildKernelWorkItem::FINISH;
      92           0 :     push(aWorkItem);
      93           0 : }
      94             : 
      95             : }
      96             : 
      97             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */