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 using namespace SkiaHelper;
  24
  25 /**
  26  * Called from a signal handler or watchdog thread if we get
  27  * a crash or hang in some driver.
  28  */
  29 void SkiaZone::hardDisable()
  30 {
  31     // protect ourselves from double calling etc.
  32     static bool bDisabled = false;
  33     if (bDisabled)
  34         return;
  35
  36     bDisabled = true;
  37
  38     // Instead of disabling Skia as a whole, only force the CPU-based
  39     // raster mode, which should be safe as it does not use drivers.
  40     std::shared_ptr<comphelper::ConfigurationChanges> xChanges(
  41         comphelper::ConfigurationChanges::create());
  42     officecfg::Office::Common::VCL::ForceSkiaRaster::set(true, xChanges);
  43     xChanges->commit();
  44
  45     // Force synchronous config write
  46     css::uno::Reference<css::util::XFlushable>(
  47         css::configuration::theDefaultProvider::get(comphelper::getProcessComponentContext()),
  48         css::uno::UNO_QUERY_THROW)
  49         ->flush();
  50 }
  51
  52 void SkiaZone::checkDebug(int nUnchanged, const CrashWatchdogTimingsValues& aTimingValues)
  53 {
  54     SAL_INFO("vcl.watchdog", "Skia watchdog - unchanged "
  55                                  << nUnchanged << " enter count " << enterCount()
  56                                  << " breakpoints mid: " << aTimingValues.mnDisableEntries
  57                                  << " max " << aTimingValues.mnAbortAfter);
  58 }
  59
  60 const CrashWatchdogTimingsValues& SkiaZone::getCrashWatchdogTimingsValues()
  61 {
  62     switch (renderMethodToUse())
  63     {
  64         case RenderVulkan:
  65         case RenderMetal:
  66         {
  67 #if defined(SK_RELEASE)
  68             static const CrashWatchdogTimingsValues gpuValues = { 6, 20 }; /* 1.5s,  5s */
  69 #elif defined(SK_DEBUG)
  70             static const CrashWatchdogTimingsValues gpuValues = { 60, 200 }; /* 15s,  50s */
  71 #else
  72 #error Unknown Skia debug/release setting.
  73 #endif
  74             return gpuValues;
  75         }
  76         case RenderRaster:
  77         {
  78             // CPU-based operations with large images may take a noticeably long time,
  79             // so use large values. CPU-based rendering shouldn't use any unstable drivers anyway.
  80             static const CrashWatchdogTimingsValues rasterValues = { 600, 2000 }; /* 150s,  500s */
  81             return rasterValues;
  82         }
  83     }
  84     O3TL_UNREACHABLE;
  85 }
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */