ENABLE_THREADED_OPENCL_KERNEL_COMPILATION has been zero for a long time

And I doubt we will try to turn it on again, so remove dead code.

Change-Id: Iaa8908fdb5a197ef0d1da5eaf08ae08df2a86ee7
Reviewed-on: https://gerrit.libreoffice.org/18404
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>

3 files changed, 0 insertions, 161 deletions

diff --git a/sc/source/core/data/formulacell.cxx b/sc/source/core/data/formulacell.cxx
index 14d3d44ba89d..07d19a394387 100644
--- a/sc/source/core/data/formulacell.cxx
+++ b/sc/source/core/data/formulacell.cxx
@@ -44,7 +44,6 @@
 #include "editutil.hxx"
 #include "chgtrack.hxx"
 #include "tokenarray.hxx"
-#include "clkernelthread.hxx"
 
 #include <formula/errorcodes.hxx>
 #include <formula/vectortoken.hxx>
@@ -535,28 +534,6 @@ typedef boost::ptr_map<AreaListenerKey, sc::FormulaGroupAreaListener> AreaListen
 
 }
 
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-//  The mutex to synchronize access to the OpenCL compilation thread.
-static osl::Mutex& getOpenCLCompilationThreadMutex()
-{
-    static osl::Mutex* pMutex = NULL;
-    if( !pMutex )
-    {
-        osl::Guard< osl::Mutex > aGuard( osl::Mutex::getGlobalMutex() );
-        if( !pMutex )
-        {
-            static osl::Mutex aMutex;
-            pMutex = &aMutex;
-        }
-    }
-
-    return *pMutex;
-}
-
-int ScFormulaCellGroup::snCount = 0;
-rtl::Reference<sc::CLBuildKernelThread> ScFormulaCellGroup::sxCompilationThread;
-#endif
-
 struct ScFormulaCellGroup::Impl
 {
     AreaListenersType maAreaListeners;
@@ -576,53 +553,16 @@ ScFormulaCellGroup::ScFormulaCellGroup() :
     meKernelState(sc::OpenCLKernelNone)
 {
     SAL_INFO( "sc.core.formulacell", "ScFormulaCellGroup ctor this " << this);
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-    if (officecfg::Office::Common::Misc::UseOpenCL::get())
-    {
-        osl::MutexGuard aGuard(getOpenCLCompilationThreadMutex());
-        if (snCount++ == 0)
-        {
-            assert(!sxCompilationThread.is());
-            sxCompilationThread.set(new sc::CLBuildKernelThread);
-            sxCompilationThread->launch();
-        }
-    }
-#endif
 }
 
 ScFormulaCellGroup::~ScFormulaCellGroup()
 {
     SAL_INFO( "sc.core.formulacell", "ScFormulaCellGroup dtor this " << this);
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-    if (officecfg::Office::Common::Misc::UseOpenCL::get())
-    {
-        osl::MutexGuard aGuard(getOpenCLCompilationThreadMutex());
-        if (--snCount == 0 && sxCompilationThread.is())
-            {
-                assert(sxCompilationThread.is());
-                sxCompilationThread->finish();
-                sxCompilationThread->join();
-                SAL_INFO("sc.opencl", "OpenCL kernel compilation thread has finished");
-                sxCompilationThread.clear();
-            }
-    }
-#endif
     delete mpCode;
     delete mpCompiledFormula;
     delete mpImpl;
 }
 
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-void ScFormulaCellGroup::scheduleCompilation()
-{
-    meKernelState = sc::OpenCLKernelCompilationScheduled;
-    sc::CLBuildKernelWorkItem aWorkItem;
-    aWorkItem.meWhatToDo = sc::CLBuildKernelWorkItem::COMPILE;
-    aWorkItem.mxGroup = this;
-    sxCompilationThread->push(aWorkItem);
-}
-#endif
-
 void ScFormulaCellGroup::setCode( const ScTokenArray& rCode )
 {
     delete mpCode;
@@ -3755,10 +3695,6 @@ ScFormulaCellGroupRef ScFormulaCell::CreateCellGroup( SCROW nLen, bool bInvarian
     mxGroup->mbInvariant = bInvariant;
     mxGroup->mnLength = nLen;
     mxGroup->mpCode = pCode; // Move this to the shared location.
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-    if (mxGroup->sxCompilationThread.is())
-        mxGroup->scheduleCompilation();
-#endif
     return mxGroup;
 }
 
diff --git a/sc/source/core/opencl/formulagroupcl.cxx b/sc/source/core/opencl/formulagroupcl.cxx
index 340f3915a649..b72c3177d0ec 100644
--- a/sc/source/core/opencl/formulagroupcl.cxx
+++ b/sc/source/core/opencl/formulagroupcl.cxx
@@ -9,7 +9,6 @@
 
 #include "formulagroup.hxx"
 #include "formulagroupcl.hxx"
-#include "clkernelthread.hxx"
 #include "grouptokenconverter.hxx"
 #include "document.hxx"
 #include "formulacell.hxx"
@@ -4181,13 +4180,6 @@ public:
         mpKernel = pKernel;
     }
 
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-    void setUnmanagedKernel( DynamicKernel* pKernel )
-    {
-        mpKernel = pKernel;
-    }
-#endif
-
     CLInterpreterResult launchKernel()
     {
         if (!isValid())
@@ -4229,27 +4221,7 @@ CLInterpreterContext createCLInterpreterContext( const ScCalcConfig& rConfig,
 {
     CLInterpreterContext aCxt(xGroup->mnLength);
 
-#if ENABLE_THREADED_OPENCL_KERNEL_COMPILATION
-    if (rGroup.meKernelState == sc::OpenCLKernelCompilationScheduled ||
-        rGroup.meKernelState == sc::OpenCLKernelBinaryCreated)
-    {
-        if (rGroup.meKernelState == sc::OpenCLKernelCompilationScheduled)
-        {
-            ScFormulaCellGroup::sxCompilationThread->maCompilationDoneCondition.wait();
-            ScFormulaCellGroup::sxCompilationThread->maCompilationDoneCondition.reset();
-        }
-
-        // Kernel instance is managed by the formula group.
-        aCxt.setUnmanagedKernel(static_cast<DynamicKernel*>(xGroup->mpCompiledFormula));
-    }
-    else
-    {
-        assert(xGroup->meCalcState == sc::GroupCalcRunning);
-        aCxt.setManagedKernel(static_cast<DynamicKernel*>(DynamicKernel::create(rConfig, rCode, xGroup->mnLength)));
-    }
-#else
     aCxt.setManagedKernel(static_cast<DynamicKernel*>(DynamicKernel::create(rConfig, rCode, xGroup->mnLength)));
-#endif
 
     return aCxt;
 }
diff --git a/sc/source/core/tool/clkernelthread.cxx b/sc/source/core/tool/clkernelthread.cxx
deleted file mode 100644
index 52a483051a4c..000000000000
--- a/sc/source/core/tool/clkernelthread.cxx
+++ /dev/null
@@ -1,69 +0,0 @@
-/* -*- 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 <sal/log.hxx>
-
-#include "formulagroup.hxx"
-#include "grouptokenconverter.hxx"
-
-#include "clkernelthread.hxx"
-
-using namespace std;
-
-namespace sc {
-
-CLBuildKernelThread::CLBuildKernelThread() :
-    salhelper::Thread("opencl-build-kernel-thread")
-{
-}
-
-CLBuildKernelThread::~CLBuildKernelThread()
-{
-}
-
-void CLBuildKernelThread::execute()
-{
-    SAL_INFO("sc.opencl.thread", "running");
-
-    bool done = false;
-    while (!done)
-    {
-        SAL_INFO("sc.opencl.thread", "waiting for condition");
-        maQueueCondition.wait();
-        SAL_INFO("sc.opencl.thread", "got condition");
-        osl::ResettableMutexGuard aGuard(maQueueMutex);
-        maQueueCondition.reset();
-        while (!maQueue.empty())
-        {
-            CLBuildKernelWorkItem aWorkItem = maQueue.front();
-            maQueue.pop();
-            aGuard.clear();
-
-            switch (aWorkItem.meWhatToDo)
-            {
-            case CLBuildKernelWorkItem::COMPILE:
-                SAL_INFO("sc.opencl.thread", "told to compile group " << aWorkItem.mxGroup << " (state " << aWorkItem.mxGroup->meCalcState << ") to binary");
-                aWorkItem.mxGroup->compileOpenCLKernel();
-                SAL_INFO("sc.opencl.thread", "group " << aWorkItem.mxGroup << " compilation done");
-                maCompilationDoneCondition.set();
-                break;
-            case CLBuildKernelWorkItem::FINISH:
-                SAL_INFO("sc.opencl.thread", "told to finish");
-                done = true;
-                break;
-            }
-
-            aGuard.reset();
-        }
-    }
-}
-
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */