Move more Calc-independent OpenCL stuff from the sc to the opencl module

No cleanups yet. Just removed the "sc" namespace parts now when this stuff is
no longer Calc-specific. There is still horribly confusing use of the same
OpenCLDevice name for both a class and as a namespace, for instance. And the
OpenCLDevice class has only public static members even, so effectively it acts
as just a namespace anyway... Etc.

Change-Id: Idc5f30a721df0101426c676f04a85e02c5dc8443

1 files changed, 109 insertions, 0 deletions

diff --git a/include/opencl/openclwrapper.hxx b/include/opencl/openclwrapper.hxx
new file mode 100644
index 000000000000..ba7aada44f14
--- /dev/null
+++ b/include/opencl/openclwrapper.hxx
@@ -0,0 +1,109 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_SC_SOURCE_CORE_OPENCL_OPENCLWRAPPER_HXX
+#define INCLUDED_SC_SOURCE_CORE_OPENCL_OPENCLWRAPPER_HXX
+
+#include <config_features.h>
+
+#include <cassert>
+#include <vector>
+
+#include <boost/shared_ptr.hpp>
+#include <clew.h>
+
+#include <sal/detail/log.h>
+#include <opencl/opencldllapi.h>
+#include <opencl/platforminfo.hxx>
+#include <osl/file.hxx>
+#include <rtl/string.hxx>
+
+
+#define CHECK_OPENCL(status,name)    \
+if( status != CL_SUCCESS )    \
+{    \
+    printf ("OpenCL error code is %d at " SAL_DETAIL_WHERE " when %s .\n", status, name);    \
+    return false;    \
+}
+
+#define MAX_CLFILE_NUM 50
+
+#include <cstdio>
+
+struct KernelEnv
+{
+    cl_context mpkContext;
+    cl_command_queue mpkCmdQueue;
+    cl_program mpkProgram;
+};
+
+namespace opencl {
+
+struct OpenCLEnv
+{
+    cl_platform_id mpOclPlatformID;
+    cl_context mpOclContext;
+    cl_device_id mpOclDevsID;
+    cl_command_queue mpOclCmdQueue;
+};
+
+struct GPUEnv
+{
+    //share vb in all modules in hb library
+    cl_platform_id mpPlatformID;
+    cl_device_type mDevType;
+    cl_context mpContext;
+    cl_device_id *mpArryDevsID;
+    cl_device_id mpDevID;
+    cl_command_queue mpCmdQueue;
+    cl_program mpArryPrograms[MAX_CLFILE_NUM]; //one program object maps one kernel source file
+    int mnIsUserCreated; // 1: created , 0:no create and needed to create by opencl wrapper
+    bool mnKhrFp64Flag;
+    bool mnAmdFp64Flag;
+};
+
+class OPENCL_DLLPUBLIC OpenCLDevice
+{
+public:
+    static GPUEnv gpuEnv;
+    static bool bIsInited;
+    static OString maCacheFolder;
+
+    static bool initOpenCLRunEnv( GPUEnv *gpu );
+    static void releaseOpenCLEnv( GPUEnv *gpuInfo );
+    static bool initOpenCLRunEnv( int argc );
+    static bool generatBinFromKernelSource( cl_program program, const char * clFileName );
+    static bool writeBinaryToFile( const OString& rName, const char* birary, size_t numBytes );
+    static std::vector<boost::shared_ptr<osl::File> > binaryGenerated( const char * clFileName, cl_context context);
+    static bool buildProgramFromBinary(const char* buildOption, GPUEnv* gpuEnv, const char* filename, int idx);
+
+    static bool initOpenCLAttr( OpenCLEnv * env );
+    static void setKernelEnv( KernelEnv *envInfo );
+};
+
+OPENCL_DLLPUBLIC const std::vector<OpenCLPlatformInfo>& fillOpenCLInfo();
+
+/**
+ * Used to set or switch between OpenCL devices.
+ *
+ * @param pDeviceId the id of the opencl device of type cl_device_id, NULL means use software calculation
+ * @param bAutoSelect use the algorithm to select the best OpenCL device
+ *
+ * @return returns true if there is a valid opencl device that has been set up
+ */
+OPENCL_DLLPUBLIC bool switchOpenCLDevice(const OUString* pDeviceId, bool bAutoSelect,
+                                         bool bForceEvaluation);
+
+OPENCL_DLLPUBLIC void getOpenCLDeviceInfo(size_t& rDeviceId, size_t& rPlatformId);
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */