mirror of
https://github.com/outbackdingo/UltraGrid.git
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a4486beec6
Return code is now opaque int (actually cudaError_t) which can be then resolved to error string through wrapper. Only defined value is 0 (cudaSuccess).
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/**
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* @file cuda_wrapper.h
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2013 CESNET z.s.p.o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CUDA_WRAPPER_H_
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#define CUDA_WRAPPER_H_
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#if defined _MSC_VER || defined __MINGW32__
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#ifdef EXPORT_DLL_SYMBOLS
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#define CUDA_DLL_API __declspec(dllexport)
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#else
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#define CUDA_DLL_API __declspec(dllimport)
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#endif
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#else // other platforms
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#define CUDA_DLL_API
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#endif
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/// @{
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#define CUDA_WRAPPER_SUCCESS 0
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/// @}
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/// @{
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#define CUDA_WRAPPER_MEMCPY_HOST_TO_DEVICE 0
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#define CUDA_WRAPPER_MEMCPY_DEVICE_TO_HOST 1
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/// @}
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typedef void *cuda_wrapper_stream_t;
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CUDA_DLL_API int cuda_wrapper_free(void *buffer);
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CUDA_DLL_API int cuda_wrapper_free_host(void *buffer);
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CUDA_DLL_API int cuda_wrapper_host_alloc(void **pHost, size_t size, unsigned int flags);
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CUDA_DLL_API int cuda_wrapper_malloc(void **buffer, size_t data_len);
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CUDA_DLL_API int cuda_wrapper_malloc_host(void **buffer, size_t data_len);
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CUDA_DLL_API int cuda_wrapper_memcpy(void *dst, const void *src,
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size_t count, int kind);
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CUDA_DLL_API const char *cuda_wrapper_last_error_string(void);
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CUDA_DLL_API int cuda_wrapper_set_device(int index);
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CUDA_DLL_API int cuda_wrapper_get_last_error(void);
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CUDA_DLL_API const char * cuda_wrapper_get_error_string(int error);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // CUDA_WRAPPER_H_
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