summaryrefslogtreecommitdiffstats
path: root/vcl/skia/zone.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--vcl/skia/zone.cxx87
1 files changed, 87 insertions, 0 deletions
diff --git a/vcl/skia/zone.cxx b/vcl/skia/zone.cxx
new file mode 100644
index 000000000..f95417366
--- /dev/null
+++ b/vcl/skia/zone.cxx
@@ -0,0 +1,87 @@
+/* -*- 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>
+
+#include <config_skia.h>
+
+using namespace SkiaHelper;
+
+/**
+ * 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 (renderMethodToUse())
+ {
+ case RenderVulkan:
+ case RenderMetal:
+ {
+#if defined(SK_RELEASE)
+ static const CrashWatchdogTimingsValues gpuValues = { 6, 20 }; /* 1.5s, 5s */
+#elif defined(SK_DEBUG)
+ static const CrashWatchdogTimingsValues gpuValues = { 60, 200 }; /* 15s, 50s */
+#else
+#error Unknown Skia debug/release setting.
+#endif
+ return gpuValues;
+ }
+ case 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: */