obs-StreamFX/source/nvidia/cuda/nvidia-cuda-stream.cpp

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/*
* 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>
nvidia::cuda::stream::stream(std::shared_ptr<::nvidia::cuda::cuda> cuda, ::nvidia::cuda::cu_stream_flags flags,
std::int32_t priority)
: _cuda(cuda)
{
nvidia::cuda::cu_result res;
if (priority == 0) {
res = _cuda->cuStreamCreate(&_stream, flags);
} else {
res = _cuda->cuStreamCreateWithPriority(&_stream, flags, priority);
}
switch (res) {
case nvidia::cuda::cu_result::SUCCESS:
break;
default:
throw std::runtime_error("Failed to create CUstream object.");
}
}
nvidia::cuda::stream::~stream()
{
_cuda->cuStreamDestroy(_stream);
}
::nvidia::cuda::cu_stream_t nvidia::cuda::stream::get()
{
return _stream;
}