Make OpenCL listener global, to avoid perf. cost of copying it around.

Change-Id: Ic10b70e1d56b941d263ed7632ba8a5146145cab1
Reviewed-on: https://gerrit.libreoffice.org/19600Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

sc/inc/calcconfig.hxx

@@ -48,7 +48,7 @@ struct SC_DLLPUBLIC ScCalcConfig
     bool mbEmptyStringAsZero:1;
     bool mbHasStringRefSyntax:1;
 
-    comphelper::ConfigurationListenerProperty<bool> mbOpenCLEnabled;
+    static bool isOpenCLEnabled();
 
     bool mbOpenCLSubsetOnly:1;
     bool mbOpenCLAutoSelect:1;

sc/source/core/data/formulacell.cxx

@@ -3890,7 +3890,7 @@ bool ScFormulaCell::InterpretFormulaGroup()
             return false;
     }
 
-    if (!ScInterpreter::GetGlobalConfig().mbOpenCLEnabled.get())
+    if (!ScCalcConfig::isOpenCLEnabled())
         return false;
 
     // TODO : Disable invariant formula group interpretation for now in order

sc/source/core/tool/calcconfig.cxx

@@ -33,12 +33,17 @@ static rtl::Reference<ConfigurationListener> getMiscListener()
     return xListener;
 }
 
+bool ScCalcConfig::isOpenCLEnabled()
+{
+    static comphelper::ConfigurationListenerProperty<bool> gOpenCLEnabled(getMiscListener(), OUString("UseOpenCL"));
+    return gOpenCLEnabled.get();
+}
+
 ScCalcConfig::ScCalcConfig() :
     meStringRefAddressSyntax(formula::FormulaGrammar::CONV_UNSPECIFIED),
     meStringConversion(StringConversion::LOCALE),     // old LibreOffice behavior
     mbEmptyStringAsZero(false),
-    mbHasStringRefSyntax(false),
-    mbOpenCLEnabled(getMiscListener(), "UseOpenCL")
+    mbHasStringRefSyntax(false)
 {
     setOpenCLConfigToDefault();
 

sc/source/core/tool/formulagroup.cxx

@@ -477,7 +477,7 @@ FormulaGroupInterpreter *FormulaGroupInterpreter::getStatic()
     {
 #if HAVE_FEATURE_OPENCL
         const ScCalcConfig& rConfig = ScInterpreter::GetGlobalConfig();
-        if (ScInterpreter::GetGlobalConfig().mbOpenCLEnabled.get())
+        if (ScCalcConfig::isOpenCLEnabled())
             switchOpenCLDevice(rConfig.maOpenCLDevice, rConfig.mbOpenCLAutoSelect);
 #endif
         static bool bAllowSoftwareInterpreter = (getenv("SC_ALLOW_BROKEN_SOFTWARE_INTERPRETER") != NULL);
@@ -503,7 +503,7 @@ void FormulaGroupInterpreter::fillOpenCLInfo(std::vector<OpenCLPlatformInfo>& rP
 
 bool FormulaGroupInterpreter::switchOpenCLDevice(const OUString& rDeviceId, bool bAutoSelect, bool bForceEvaluation)
 {
-    bool bOpenCLEnabled = ScInterpreter::GetGlobalConfig().mbOpenCLEnabled.get();
+    bool bOpenCLEnabled = ScCalcConfig::isOpenCLEnabled();
     static bool bAllowSoftwareInterpreter = (getenv("SC_ALLOW_BROKEN_SOFTWARE_INTERPRETER") != NULL);
     if (!bOpenCLEnabled || (bAllowSoftwareInterpreter && rDeviceId == OPENCL_SOFTWARE_DEVICE_CONFIG_NAME))
     {
@@ -526,7 +526,7 @@ bool FormulaGroupInterpreter::switchOpenCLDevice(const OUString& rDeviceId, bool
     delete msInstance;
     msInstance = NULL;
 
-    if ( ScInterpreter::GetGlobalConfig().mbOpenCLEnabled.get() )
+    if (ScCalcConfig::isOpenCLEnabled())
     {
         msInstance = new sc::opencl::FormulaGroupInterpreterOpenCL();
         return msInstance != NULL;
@@ -539,7 +539,7 @@ void FormulaGroupInterpreter::getOpenCLDeviceInfo(sal_Int32& rDeviceId, sal_Int3
 {
     rDeviceId = -1;
     rPlatformId = -1;
-    bool bOpenCLEnabled = ScInterpreter::GetGlobalConfig().mbOpenCLEnabled.get();
+    bool bOpenCLEnabled = ScCalcConfig::isOpenCLEnabled();
     if(!bOpenCLEnabled)
         return;
 

sc/source/core/tool/interpr5.cxx

@@ -912,7 +912,7 @@ void ScInterpreter::ScMatInv()
         SCSIZE nC, nR;
         pMat->GetDimensions(nC, nR);
 
-        if (ScInterpreter::GetGlobalConfig().mbOpenCLEnabled.get())
+        if (ScCalcConfig::isOpenCLEnabled())
         {
             sc::FormulaGroupInterpreter *pInterpreter = sc::FormulaGroupInterpreter::getStatic();
             if (pInterpreter != NULL)