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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <skia/zone.hxx>
#include <officecfg/Office/Common.hxx>
#include <com/sun/star/util/XFlushable.hpp>
#include <com/sun/star/configuration/theDefaultProvider.hpp>
#include <sal/log.hxx>
#include <o3tl/unreachable.hxx>
#include <vcl/skia/SkiaHelper.hxx>
/**
* Called from a signal handler or watchdog thread if we get
* a crash or hang in some driver.
*/
void SkiaZone::hardDisable()
{
// protect ourselves from double calling etc.
static bool bDisabled = false;
if (bDisabled)
return;
bDisabled = true;
// Instead of disabling Skia as a whole, only force the CPU-based
// raster mode, which should be safe as it does not use drivers.
std::shared_ptr<comphelper::ConfigurationChanges> xChanges(
comphelper::ConfigurationChanges::create());
officecfg::Office::Common::VCL::ForceSkiaRaster::set(true, xChanges);
xChanges->commit();
// Force synchronous config write
css::uno::Reference<css::util::XFlushable>(
css::configuration::theDefaultProvider::get(comphelper::getProcessComponentContext()),
css::uno::UNO_QUERY_THROW)
->flush();
}
void SkiaZone::checkDebug(int nUnchanged, const CrashWatchdogTimingsValues& aTimingValues)
{
SAL_INFO("vcl.watchdog", "Skia watchdog - unchanged "
<< nUnchanged << " enter count " << enterCount()
<< " breakpoints mid: " << aTimingValues.mnDisableEntries
<< " max " << aTimingValues.mnAbortAfter);
}
const CrashWatchdogTimingsValues& SkiaZone::getCrashWatchdogTimingsValues()
{
switch (SkiaHelper::renderMethodToUse())
{
case SkiaHelper::RenderVulkan:
{
static const CrashWatchdogTimingsValues vulkanValues = { 6, 20 }; /* 1.5s, 5s */
return vulkanValues;
}
case SkiaHelper::RenderRaster:
{
// CPU-based operations with large images may take a noticeably long time,
// so use large values. CPU-based rendering shouldn't use any unstable drivers anyway.
static const CrashWatchdogTimingsValues rasterValues = { 600, 2000 }; /* 150s, 500s */
return rasterValues;
}
}
O3TL_UNREACHABLE;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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