vcl/inc/opengl/watchdog.hxx

   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 #ifndef INCLUDED_VCL_INC_OPENGL_WATCHDOG_H
  11 #define INCLUDED_VCL_INC_OPENGL_WATCHDOG_H
  12
  13 #include <sal/config.h>
  14 #include <salhelper/thread.hxx>
  15 #include <atomic>
  16 #include <vector>
  17
  18 struct WatchdogTimingsValues
  19 {
  20     /// delays to take various actions in 1/4 of a second increments.
  21     int mnDisableEntries;
  22     int const mnAbortAfter;
  23 };
  24
  25 enum class WatchdogTimingMode
  26 {
  27     NORMAL,
  28     SHADER_COMPILE
  29 };
  30
  31 class WatchdogTimings
  32 {
  33 private:
  34     std::vector<WatchdogTimingsValues> maTimingValues;
  35     std::atomic<bool> mbRelaxed;
  36
  37 public:
  38     WatchdogTimings();
  39
  40     void setRelax(bool bRelaxed)
  41     {
  42         mbRelaxed = bRelaxed;
  43     }
  44
  45     WatchdogTimingsValues const & getWatchdogTimingsValues(WatchdogTimingMode eMode)
  46     {
  47         size_t index = (eMode == WatchdogTimingMode::SHADER_COMPILE) ? 1 : 0;
  48         index = mbRelaxed ? index + 2 : index;
  49
  50         return maTimingValues[index];
  51     }
  52 };
  53
  54 class OpenGLWatchdogThread : private salhelper::Thread
  55 {
  56     OpenGLWatchdogThread();
  57     virtual void execute() override;
  58 public:
  59     using salhelper::Thread::acquire;
  60     using salhelper::Thread::release;
  61     static void start();
  62     static void stop();
  63 };
  64
  65 #endif // INCLUDED_VCL_INC_OPENGL_WATCHDOG_H
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */