Files
UltraGrid/src/cuda_wrapper.h
Martin Pulec 2317819400 CUDA: do not use gpujpeg for dev list
Query directly, without help from GPUJPEG (although the code is actually
borrowed from there).

This enables device listing also if GPUJPEG is not compiled in and it
simplifies main.
2023-03-30 14:01:10 +02:00

87 lines
2.9 KiB
C

/**
* @file cuda_wrapper.h
* @author Martin Pulec <pulec@cesnet.cz>
*/
/*
* Copyright (c) 2013-2023 CESNET z.s.p.o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of CESNET nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CUDA_WRAPPER_H_
#define CUDA_WRAPPER_H_
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#if defined _MSC_VER || defined __MINGW32__
#ifdef EXPORT_DLL_SYMBOLS
#define CUDA_DLL_API __declspec(dllexport)
#else
#define CUDA_DLL_API __declspec(dllimport)
#endif
#else // other platforms
#define CUDA_DLL_API
#endif
/// @{
#define CUDA_WRAPPER_SUCCESS 0
/// @}
/// @{
#define CUDA_WRAPPER_MEMCPY_HOST_TO_DEVICE 0
#define CUDA_WRAPPER_MEMCPY_DEVICE_TO_HOST 1
/// @}
typedef void *cuda_wrapper_stream_t;
CUDA_DLL_API int cuda_wrapper_free(void *buffer);
CUDA_DLL_API int cuda_wrapper_free_host(void *buffer);
CUDA_DLL_API int cuda_wrapper_host_alloc(void **pHost, size_t size, unsigned int flags);
CUDA_DLL_API int cuda_wrapper_malloc(void **buffer, size_t data_len);
CUDA_DLL_API int cuda_wrapper_malloc_host(void **buffer, size_t data_len);
CUDA_DLL_API int cuda_wrapper_memcpy(void *dst, const void *src,
size_t count, int kind);
CUDA_DLL_API const char *cuda_wrapper_last_error_string(void);
CUDA_DLL_API int cuda_wrapper_set_device(int index);
CUDA_DLL_API int cuda_wrapper_get_last_error(void);
CUDA_DLL_API const char * cuda_wrapper_get_error_string(int error);
CUDA_DLL_API void cuda_wrapper_print_devices_info(void);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // CUDA_WRAPPER_H_