obs-StreamFX/source/nvidia/cuda/nvidia-cuda-context.hpp

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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
*/
#pragma once
#include <memory>
#include "nvidia-cuda.hpp"
namespace nvidia::cuda {
class context_stack;
class context : public std::enable_shared_from_this<::nvidia::cuda::context> {
std::shared_ptr<::nvidia::cuda::cuda> _cuda;
::nvidia::cuda::context_t _ctx;
bool _has_device;
::nvidia::cuda::device_t _device;
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public:
~context();
private:
context();
public:
#ifdef WIN32
context(ID3D11Device* device);
#endif
::nvidia::cuda::context_t get();
void push();
void pop();
void synchronize();
public:
std::shared_ptr<::nvidia::cuda::context_stack> enter();
};
class context_stack {
std::shared_ptr<::nvidia::cuda::context> _ctx;
public:
inline ~context_stack()
{
_ctx->pop();
}
inline context_stack(std::shared_ptr<::nvidia::cuda::context> ctx) : _ctx(ctx)
{
_ctx->push();
}
};
} // namespace nvidia::cuda