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

49 lines
1.4 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-memory.hpp"
#include <stdexcept>
nvidia::cuda::memory::memory(std::shared_ptr<::nvidia::cuda::cuda> cuda, std::size_t size)
: _cuda(cuda), _pointer(), _size(size)
{
::nvidia::cuda::result res = _cuda->cuMemAlloc(&_pointer, size);
switch (res) {
case ::nvidia::cuda::result::SUCCESS:
break;
default:
throw std::runtime_error("nvidia::cuda::memory: cuMemAlloc failed.");
}
}
nvidia::cuda::memory::~memory()
{
_cuda->cuMemFree(_pointer);
}
nvidia::cuda::device_ptr_t nvidia::cuda::memory::get()
{
return _pointer;
}
std::size_t nvidia::cuda::memory::size()
{
return _size;
}