Brandon Potter
109 linhas
3.8 KiB
C++
109 linhas
3.8 KiB
C++
/********************************************************************************
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* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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********************************************************************************/
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#ifndef CLHelper_H
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#define CLHelper_H
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#define CL_USE_DEPRECATED_OPENCL_2_0_APIS
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#define CL_USE_DEPRECATED_OPENCL_1_2_APIS
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#define CL_USE_DEPRECATED_OPENCL_1_1_APIS
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#include <CL/cl.h>
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#include <string>
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#include <iostream>
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#include <sstream>
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#include "InputFlags.h"
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#include "GPUHelper.h"
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struct LocalMemArg
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{
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LocalMemArg(size_t _size) : size(_size) {}
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size_t GetSize() const { return size; }
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private:
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size_t size;
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};
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class CLHelper : public GPUHelper
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{
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cl_platform_id platform;
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cl_device_id *devices;
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cl_program syncfree_program;
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cl_program analyze_levelset_program;
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public:
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static cl_context context;
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static cl_kernel SpTSKernel;
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static cl_kernel SpTSKernel_analyze;
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static cl_kernel SpTSKernel_levelset;
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static cl_kernel SpTSKernel_scalar;
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static cl_kernel SpTSKernel_vector;
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static cl_kernel SpTSKernel_levelsync;
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static cl_command_queue commandQueue;
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CLHelper() {}
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int Init(const std::string &_filename, InputFlags &in_flags);
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void checkStatus(gpuError status, const std::string errString);
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void CopyToDevice(memPointer _d_buf, void *_h_buf, size_t _size, size_t _offset, cl_bool _blocking, cl_event *_ev);
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void CopyToHost(memPointer _d_buf, void *_h_buf, size_t _size, size_t _offset, cl_bool _blocking, cl_event *_ev);
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memPointer AllocateMem(const std::string name, size_t, memPointer_flags flags, void *);
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void FreeMem(memPointer ptr) { clReleaseMemObject(ptr); }
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void Flush() { clFinish(commandQueue); }
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template<typename T, typename... Args>
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void SetArgs(cl_kernel, int i, const T& first, const Args&... rest);
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template<typename... Args>
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void SetArgs(cl_kernel, int i, const LocalMemArg &lmem, const Args&... rest);
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void SetArgs(cl_kernel, int i) {}
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int64_t ComputeTime(cl_event event);
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};
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template<typename T, typename... Args>
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void CLHelper::SetArgs(cl_kernel kernel, int i, const T& first, const Args&... rest)
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{
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cl_int status;
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status = clSetKernelArg(kernel, i++, sizeof(T), (void *)& first);
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std::stringstream errStream;
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errStream<<"OpenCL error setting kernel argument "<<i;
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checkStatus(status, errStream.str()) ;
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SetArgs(kernel, i, rest...);
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}
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template<typename... Args>
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void CLHelper::SetArgs(cl_kernel kernel, int i, const LocalMemArg &lmem, const Args&... rest)
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{
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cl_int status;
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status = clSetKernelArg(kernel, i++, lmem.GetSize(), NULL);
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std::stringstream errStream;
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errStream<<"OpenCL error setting kernel argument (local memory) "<<i;
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checkStatus(status, errStream.str()) ;
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SetArgs(kernel, i, rest...);
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}
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#endif //CLHelper_H
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