opencl/source/OpenCLZone.cxx

   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 <opencl/openclwrapper.hxx>
  11 #include <opencl/OpenCLZone.hxx>
  12 #include <opencl_device.hxx>
  13
  14 #include <memory>
  15
  16 #include <officecfg/Office/Common.hxx>
  17 #include <com/sun/star/util/XFlushable.hpp>
  18 #include <com/sun/star/configuration/theDefaultProvider.hpp>
  19
  20 // FIXME: templatize me vs. OpenGLZone.
  21
  22 std::sig_atomic_t volatile OpenCLZone::gnEnterCount = 0;
  23 bool volatile OpenCLZone::gbInInitialTest = false;
  24
  25 /**
  26  * Called from a signal handler if we get
  27  * a crash or hang in some CL code.
  28  */
  29 void OpenCLZone::hardDisable()
  30 {
  31     // protect ourselves from double calling etc.
  32     static bool bDisabled = false;
  33     if (!bDisabled)
  34     {
  35         bDisabled = true;
  36
  37         std::shared_ptr<comphelper::ConfigurationChanges> xChanges(comphelper::ConfigurationChanges::create());
  38         officecfg::Office::Common::Misc::UseOpenCL::set(false, xChanges);
  39         xChanges->commit();
  40
  41         // Force synchronous config write
  42         auto xConfProvider = css::configuration::theDefaultProvider::get(comphelper::getProcessComponentContext());
  43         css::uno::Reference<css::util::XFlushable> xFlushable(xConfProvider, css::uno::UNO_QUERY_THROW);
  44         xFlushable->flush();
  45
  46         releaseOpenCLEnv(&openclwrapper::gpuEnv);
  47     }
  48 }
  49
  50 void OpenCLZone::enterInitialTest()
  51 {
  52     gbInInitialTest = true;
  53 }
  54
  55 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */