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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/.
*/
/*
* This module exists to validate the OpenCL implementation,
* where necessary during startup; and before we load or
* calculate using OpenCL.
*/
#include <app.hxx>
#include <config_version.h>
#include <config_feature_opencl.h>
#include <config_folders.h>
#include <rtl/bootstrap.hxx>
#include <sal/log.hxx>
#include <officecfg/Office/Calc.hxx>
#include <officecfg/Office/Common.hxx>
#include <svl/documentlockfile.hxx>
#include <tools/diagnose_ex.h>
#include <com/sun/star/table/XCell2.hpp>
#include <com/sun/star/sheet/XCalculatable.hpp>
#include <com/sun/star/sheet/XSpreadsheet.hpp>
#include <com/sun/star/sheet/XSpreadsheets.hpp>
#include <com/sun/star/sheet/XSpreadsheetDocument.hpp>
#if HAVE_FEATURE_OPENCL
#include <opencl/openclwrapper.hxx>
#endif
#include <opencl/OpenCLZone.hxx>
#include <osl/file.hxx>
#include <osl/process.h>
using namespace ::osl;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::frame;
namespace desktop {
#if HAVE_FEATURE_OPENCL
static bool testOpenCLDriver()
{
// A simple OpenCL test run in a separate process in order to test
// whether the driver crashes (asserts,etc.) when trying to use OpenCL.
SAL_INFO("opencl", "Starting CL driver test");
OUString testerURL("$BRAND_BASE_DIR/" LIBO_BIN_FOLDER "/opencltest");
rtl::Bootstrap::expandMacros(testerURL); //TODO: detect failure
OUString deviceName, platformName;
openclwrapper::getOpenCLDeviceName( deviceName, platformName );
rtl_uString* args[] = { deviceName.pData, platformName.pData };
sal_Int32 numArgs = 2;
oslProcess process;
oslSecurity security = osl_getCurrentSecurity();
oslProcessError error = osl_executeProcess(testerURL.pData, args, numArgs,
osl_Process_SEARCHPATH | osl_Process_HIDDEN, security,
nullptr, nullptr, 0, &process );
osl_freeSecurityHandle( security );
if( error != osl_Process_E_None )
{
SAL_WARN( "opencl", "failed to start CL driver test: " << error );
return false;
}
// If the driver takes more than 10 seconds, it's probably broken/useless.
TimeValue timeout( 10, 0 );
error = osl_joinProcessWithTimeout( process, &timeout );
if( error == osl_Process_E_None )
{
oslProcessInfo info;
info.Size = sizeof( info );
error = osl_getProcessInfo( process, osl_Process_EXITCODE, &info );
if( error == osl_Process_E_None )
{
if( info.Code == 0 )
{
SAL_INFO( "opencl", "CL driver test passed" );
osl_freeProcessHandle( process );
return true;
}
else
{
SAL_WARN( "opencl", "CL driver test failed - disabling: " << info.Code );
osl_freeProcessHandle( process );
return false;
}
}
}
SAL_WARN( "opencl", "CL driver test did not finish - disabling: " << error );
osl_terminateProcess( process );
osl_freeProcessHandle( process );
return false;
}
static bool testOpenCLCompute(const Reference< XDesktop2 > &xDesktop, const OUString &rURL)
{
bool bSuccess = false;
css::uno::Reference< css::lang::XComponent > xComponent;
sal_uInt64 nKernelFailures = openclwrapper::kernelFailures;
SAL_INFO("opencl", "Starting CL test spreadsheet");
// A stale lock file would make the loading fail, so make sure to remove it.
try {
::svt::DocumentLockFile lockFile( rURL );
lockFile.RemoveFileDirectly();
}
catch (const css::uno::Exception&)
{
}
try {
css::uno::Reference< css::frame::XComponentLoader > xLoader(xDesktop, css::uno::UNO_QUERY_THROW);
css::uno::Sequence< css::beans::PropertyValue > aArgs(1);
aArgs[0].Name = "Hidden";
aArgs[0].Value <<= true;
xComponent.set(xLoader->loadComponentFromURL(rURL, "_blank", 0, aArgs));
// What an unpleasant API to use.
css::uno::Reference< css::sheet::XCalculatable > xCalculatable( xComponent, css::uno::UNO_QUERY_THROW);
css::uno::Reference< css::sheet::XSpreadsheetDocument > xSpreadDoc( xComponent, css::uno::UNO_QUERY_THROW );
css::uno::Reference< css::sheet::XSpreadsheets > xSheets( xSpreadDoc->getSheets(), css::uno::UNO_SET_THROW );
css::uno::Reference< css::container::XIndexAccess > xIndex( xSheets, css::uno::UNO_QUERY_THROW );
css::uno::Reference< css::sheet::XSpreadsheet > xSheet( xIndex->getByIndex(0), css::uno::UNO_QUERY_THROW);
// So we insert our MAX call at the end on a named range.
css::uno::Reference< css::table::XCell2 > xThresh( xSheet->getCellByPosition(1,1), css::uno::UNO_QUERY_THROW ); // B2
double fThreshold = xThresh->getValue();
// We need pure OCL formulae all the way through the
// dependency chain, or we fall-back.
xCalculatable->calculateAll();
// So we insert our MAX call at the end on a named range.
css::uno::Reference< css::table::XCell2 > xCell( xSheet->getCellByPosition(1,0), css::uno::UNO_QUERY_THROW );
xCell->setFormula("=MAX(results)");
double fResult = xCell->getValue();
// Ensure the maximum variance is below our tolerance.
if (fResult > fThreshold)
{
SAL_WARN("opencl", "OpenCL results unstable - disabling; result: "
<< fResult << " vs. " << fThreshold);
}
else
{
SAL_INFO("opencl", "calculating smoothly; result: " << fResult);
bSuccess = true;
}
}
catch (const css::uno::Exception &)
{
TOOLS_WARN_EXCEPTION("opencl", "OpenCL testing failed - disabling");
}
if (nKernelFailures != openclwrapper::kernelFailures)
{
// tdf#100883 - defeat SEH exception handling fallbacks.
SAL_WARN("opencl", "OpenCL kernels failed to compile, "
"or took SEH exceptions "
<< nKernelFailures << " != " << openclwrapper::kernelFailures);
bSuccess = false;
}
if (!bSuccess)
OpenCLZone::hardDisable();
if (xComponent.is())
xComponent->dispose();
return bSuccess;
}
void Desktop::CheckOpenCLCompute(const Reference< XDesktop2 > &xDesktop)
{
if (!openclwrapper::canUseOpenCL() || Application::IsSafeModeEnabled())
return;
SAL_INFO("opencl", "Initiating test of OpenCL device");
OpenCLZone aZone;
OpenCLInitialZone aInitialZone;
OUString aDevice = officecfg::Office::Calc::Formula::Calculation::OpenCLDevice::get();
OUString aSelectedCLDeviceVersionID;
if (!openclwrapper::switchOpenCLDevice(
&aDevice,
officecfg::Office::Calc::Formula::Calculation::OpenCLAutoSelect::get(),
false /* bForceEvaluation */,
aSelectedCLDeviceVersionID))
{
SAL_WARN("opencl", "Failed to initialize OpenCL for test");
OpenCLZone::hardDisable();
return;
}
// Append our app version as well.
aSelectedCLDeviceVersionID += "--" LIBO_VERSION_DOTTED;
// Append timestamp of the file.
OUString aURL("$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/opencl/cl-test.ods");
rtl::Bootstrap::expandMacros(aURL);
DirectoryItem aItem;
(void)DirectoryItem::get( aURL, aItem );
FileStatus aFileStatus( osl_FileStatus_Mask_ModifyTime );
(void)aItem.getFileStatus( aFileStatus );
TimeValue aTimeVal = aFileStatus.getModifyTime();
aSelectedCLDeviceVersionID += "--" +
OUString::number(aTimeVal.Seconds);
if (aSelectedCLDeviceVersionID == officecfg::Office::Common::Misc::SelectedOpenCLDeviceIdentifier::get())
return;
// OpenCL device changed - sanity check it and disable if bad.
sal_Int32 nOrigMinimumSize = officecfg::Office::Calc::Formula::Calculation::OpenCLMinimumDataSize::get();
{ // set the minimum group size to something small for quick testing.
std::shared_ptr<comphelper::ConfigurationChanges> xBatch(comphelper::ConfigurationChanges::create());
officecfg::Office::Calc::Formula::Calculation::OpenCLMinimumDataSize::set(3 /* small */, xBatch);
xBatch->commit();
}
// Hopefully at least basic functionality always works and broken OpenCL implementations break
// only when they are used to compute something. If this assumptions turns out to be not true,
// the driver check needs to be moved sooner.
bool bSucceeded = testOpenCLDriver() && testOpenCLCompute(xDesktop, aURL);
{ // restore the minimum group size
std::shared_ptr<comphelper::ConfigurationChanges> xBatch(comphelper::ConfigurationChanges::create());
officecfg::Office::Calc::Formula::Calculation::OpenCLMinimumDataSize::set(nOrigMinimumSize, xBatch);
officecfg::Office::Common::Misc::SelectedOpenCLDeviceIdentifier::set(aSelectedCLDeviceVersionID, xBatch);
xBatch->commit();
}
if (!bSucceeded)
OpenCLZone::hardDisable();
}
#endif // HAVE_FEATURE_OPENCL
} // end namespace desktop
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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