vcl/skia/zone.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 <skia/zone.hxx>
  11
  12 #include <officecfg/Office/Common.hxx>
  13 #include <com/sun/star/util/XFlushable.hpp>
  14 #include <com/sun/star/configuration/theDefaultProvider.hpp>
  15
  16 #include <sal/log.hxx>
  17 #include <o3tl/unreachable.hxx>
  18
  19 #include <vcl/skia/SkiaHelper.hxx>
  20
  21 #include <config_skia.h>
  22
  23 /**
  24  * Called from a signal handler or watchdog thread if we get
  25  * a crash or hang in some driver.
  26  */
  27 void SkiaZone::hardDisable()
  28 {
  29     // protect ourselves from double calling etc.
  30     static bool bDisabled = false;
  31     if (bDisabled)
  32         return;
  33
  34     bDisabled = true;
  35
  36     // Instead of disabling Skia as a whole, only force the CPU-based
  37     // raster mode, which should be safe as it does not use drivers.
  38     std::shared_ptr<comphelper::ConfigurationChanges> xChanges(
  39         comphelper::ConfigurationChanges::create());
  40     officecfg::Office::Common::VCL::ForceSkiaRaster::set(true, xChanges);
  41     xChanges->commit();
  42
  43     // Force synchronous config write
  44     css::uno::Reference<css::util::XFlushable>(
  45         css::configuration::theDefaultProvider::get(comphelper::getProcessComponentContext()),
  46         css::uno::UNO_QUERY_THROW)
  47         ->flush();
  48 }
  49
  50 void SkiaZone::checkDebug(int nUnchanged, const CrashWatchdogTimingsValues& aTimingValues)
  51 {
  52     SAL_INFO("vcl.watchdog", "Skia watchdog - unchanged "
  53                                  << nUnchanged << " enter count " << enterCount()
  54                                  << " breakpoints mid: " << aTimingValues.mnDisableEntries
  55                                  << " max " << aTimingValues.mnAbortAfter);
  56 }
  57
  58 const CrashWatchdogTimingsValues& SkiaZone::getCrashWatchdogTimingsValues()
  59 {
  60     switch (SkiaHelper::renderMethodToUse())
  61     {
  62         case SkiaHelper::RenderVulkan:
  63         {
  64 #if defined(SK_RELEASE)
  65             static const CrashWatchdogTimingsValues vulkanValues = { 6, 20 }; /* 1.5s,  5s */
  66 #elif defined(SK_DEBUG)
  67             static const CrashWatchdogTimingsValues vulkanValues = { 60, 200 }; /* 15s,  50s */
  68 #else
  69 #error Unknown Skia debug/release setting.
  70 #endif
  71             return vulkanValues;
  72         }
  73         case SkiaHelper::RenderRaster:
  74         {
  75             // CPU-based operations with large images may take a noticeably long time,
  76             // so use large values. CPU-based rendering shouldn't use any unstable drivers anyway.
  77             static const CrashWatchdogTimingsValues rasterValues = { 600, 2000 }; /* 150s,  500s */
  78             return rasterValues;
  79         }
  80     }
  81     O3TL_UNREACHABLE;
  82 }
  83
  84 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */