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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 <config_features.h>
#include <formula/opcode.hxx>
#include <sal/detail/log.h>
#include <osl/file.hxx>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <cassert>
#include "platforminfo.hxx"
#include <rtl/string.hxx>
#include "clcc/clew.h"
#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 sc { namespace opencl {
typedef unsigned int uint;
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 OpenCLDevice
{
public:
static GPUEnv gpuEnv;
static bool bIsInited;
static OString maCacheFolder;
static void registerOpenCLKernel();
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 );
};
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
*/
bool switchOpenCLDevice(const OUString* pDeviceId, bool bAutoSelect,
bool bForceEvaluation);
void getOpenCLDeviceInfo(size_t& rDeviceId, size_t& rPlatformId);
}}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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