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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/.
*/
#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();
/**
* 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
* @param rOutSelectedDeviceVersionIDString returns the selected device's version string.
*
* @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,
OUString& rOutSelectedDeviceVersionIDString);
OPENCL_DLLPUBLIC void getOpenCLDeviceInfo(size_t& rDeviceId, size_t& rPlatformId);
OPENCL_DLLPUBLIC void getOpenCLDeviceName(OUString& rDeviceName, OUString& rPlatformName);
/**
* Set the current command queue position in case of multiple command queues
* for a given device.
*/
OPENCL_DLLPUBLIC void setOpenCLCmdQueuePosition( int nPos );
/**
* Return a textual representation of an OpenCL error code.
* (Currently the symbolic name sans the CL_ prefix.)
*/
OPENCL_DLLPUBLIC const char* errorString(cl_int nError);
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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