openclwrapper.hxx

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#ifndef INCLUDED_SC_SOURCE_CORE_OPENCL_OPENCLWRAPPER_HXX
#define INCLUDED_SC_SOURCE_CORE_OPENCL_OPENCLWRAPPER_HXX
 
#include <vector>
 
#include <clew/clew.h>
 
#include <opencl/opencldllapi.h>
#include <rtl/ustring.hxx>
 
#define MAX_CLFILE_NUM 50
#define OPENCL_CMDQUEUE_SIZE 1 // number of command queues per OpenCL device.
 
#include <cstdio>
 
struct OpenCLPlatformInfo;
 
namespace openclwrapper
{
 
struct KernelEnv
{
    cl_context mpkContext;
    cl_command_queue mpkCmdQueue;
    cl_program mpkProgram;
};
 
struct OPENCL_DLLPUBLIC GPUEnv
{
    //share vb in all modules in hb library
    cl_platform_id mpPlatformID;
    cl_context mpContext;
    cl_device_id mpDevID;
    cl_command_queue mpCmdQueue[OPENCL_CMDQUEUE_SIZE];
    bool mbCommandQueueInitialized;
    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
    int mnCmdQueuePos;
    bool mnKhrFp64Flag;
    bool mnAmdFp64Flag;
    bool mbNeedsTDRAvoidance;
 
    static bool isOpenCLEnabled();
};
 
extern OPENCL_DLLPUBLIC GPUEnv gpuEnv;
extern OPENCL_DLLPUBLIC sal_uInt64 kernelFailures;
 
OPENCL_DLLPUBLIC bool canUseOpenCL();
 
OPENCL_DLLPUBLIC bool generatBinFromKernelSource( cl_program program, const char * clFileName );
OPENCL_DLLPUBLIC bool buildProgramFromBinary(const char* buildOption, GPUEnv* gpuEnv, const char* filename, int idx);
OPENCL_DLLPUBLIC void setKernelEnv( KernelEnv *envInfo );
OPENCL_DLLPUBLIC const std::vector<OpenCLPlatformInfo>& fillOpenCLInfo();
 
OPENCL_DLLPUBLIC bool switchOpenCLDevice(std::u16string_view aDevice, bool bAutoSelect,
                                         bool bForceEvaluation,
                                         OUString& rOutSelectedDeviceVersionIDString);
 
OPENCL_DLLPUBLIC void getOpenCLDeviceInfo(size_t& rDeviceId, size_t& rPlatformId);
 
OPENCL_DLLPUBLIC void getOpenCLDeviceName(OUString& rDeviceName, OUString& rPlatformName);
 
OPENCL_DLLPUBLIC void setOpenCLCmdQueuePosition( int nPos );
 
OPENCL_DLLPUBLIC const char* errorString(cl_int nError);
 
}
 
#endif
 
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