76 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
 | |
|  * Modern effects for a modern Streamer
 | |
|  * Copyright (C) 2020 Michael Fabian Dirks
 | |
|  *
 | |
|  * This program is free software; you can redistribute it and/or modify
 | |
|  * it under the terms of the GNU General Public License as published by
 | |
|  * the Free Software Foundation; either version 2 of the License, or
 | |
|  * (at your option) any later version.
 | |
|  *
 | |
|  * This program is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|  * GNU General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU General Public License
 | |
|  * along with this program; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 | |
|  */
 | |
| 
 | |
| #include "nvidia-cuda-stream.hpp"
 | |
| #include <stdexcept>
 | |
| #include "util/util-logging.hpp"
 | |
| 
 | |
| #ifdef _DEBUG
 | |
| #define ST_PREFIX "<%s> "
 | |
| #define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
 | |
| #define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
 | |
| #define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
 | |
| #define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
 | |
| #else
 | |
| #define ST_PREFIX "<nvidia::cuda::stream> "
 | |
| #define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
 | |
| #define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
 | |
| #define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
 | |
| #define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
 | |
| #endif
 | |
| 
 | |
| streamfx::nvidia::cuda::stream::~stream()
 | |
| {
 | |
| 	D_LOG_DEBUG("Finalizing... (Addr: 0x%" PRIuPTR ")", this);
 | |
| 
 | |
| 	_cuda->cuStreamDestroy(_stream);
 | |
| }
 | |
| 
 | |
| streamfx::nvidia::cuda::stream::stream(::streamfx::nvidia::cuda::stream_flags flags, int32_t priority)
 | |
| 	: _cuda(::streamfx::nvidia::cuda::cuda::get())
 | |
| {
 | |
| 	D_LOG_DEBUG("Initializating... (Addr: 0x%" PRIuPTR ")", this);
 | |
| 
 | |
| 	streamfx::nvidia::cuda::result res;
 | |
| 	if (priority == 0) {
 | |
| 		res = _cuda->cuStreamCreate(&_stream, flags);
 | |
| 	} else {
 | |
| 		res = _cuda->cuStreamCreateWithPriority(&_stream, flags, priority);
 | |
| 	}
 | |
| 	switch (res) {
 | |
| 	case streamfx::nvidia::cuda::result::SUCCESS:
 | |
| 		break;
 | |
| 	default:
 | |
| 		throw std::runtime_error("Failed to create CUstream object.");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| ::streamfx::nvidia::cuda::stream_t streamfx::nvidia::cuda::stream::get()
 | |
| {
 | |
| 	return _stream;
 | |
| }
 | |
| 
 | |
| void streamfx::nvidia::cuda::stream::synchronize()
 | |
| {
 | |
| 	//D_LOG_DEBUG("Synchronizing... (Addr: 0x%" PRIuPTR ")", this);
 | |
| 	if (auto res = _cuda->cuStreamSynchronize(_stream); res != ::streamfx::nvidia::cuda::result::SUCCESS) {
 | |
| 		throw ::streamfx::nvidia::cuda::cuda_error(res);
 | |
| 	}
 | |
| }
 |