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nvidia/cuda/obs: Add simple CUDA manager for OBS

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Michael Fabian 'Xaymar' Dirks 2021-04-26 00:32:35 +02:00
parent c0a108bf4a
commit 7bedb337b9
3 changed files with 146 additions and 0 deletions
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2
CMakeLists.txt
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@ -948,6 +948,8 @@ if(HAVE_NVIDIA_CUDA)
list(APPEND PROJECT_PRIVATE_SOURCE
"source/nvidia/cuda/nvidia-cuda.hpp"
"source/nvidia/cuda/nvidia-cuda.cpp"
"source/nvidia/cuda/nvidia-cuda-obs.hpp"
"source/nvidia/cuda/nvidia-cuda-obs.cpp"
"source/nvidia/cuda/nvidia-cuda-context.hpp"
"source/nvidia/cuda/nvidia-cuda-context.cpp"
"source/nvidia/cuda/nvidia-cuda-gs-texture.hpp"

101
source/nvidia/cuda/nvidia-cuda-obs.cpp Normal file
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@ -0,0 +1,101 @@
/*
* 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-obs.hpp"
#include "obs/gs/gs-helper.hpp"
#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::obs> "
#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
nvidia::cuda::obs::~obs()
{
D_LOG_DEBUG("Finalizing... (Addr: 0x%" PRIuPTR ")", this);
auto gctx = gs::context{};
{
auto stack = _context->enter();
_stream->synchronize();
_context->synchronize();
}
_context.reset();
_cuda.reset();
}
nvidia::cuda::obs::obs() : _cuda(::nvidia::cuda::cuda::get()), _context()
{
D_LOG_DEBUG("Initializating... (Addr: 0x%" PRIuPTR ")", this);
auto gctx = gs::context{};
// Create Context
#ifdef WIN32
if (gs_get_device_type() == GS_DEVICE_DIRECT3D_11) {
_context = std::make_shared<::nvidia::cuda::context>(reinterpret_cast<ID3D11Device*>(gs_get_device_obj()));
}
#endif
if (gs_get_device_type() == GS_DEVICE_OPENGL) {
throw std::runtime_error("Not yet implemented.");
}
// Create Stream
auto stack = _context->enter();
_stream = std::make_shared<::nvidia::cuda::stream>();
}
std::shared_ptr<nvidia::cuda::obs> nvidia::cuda::obs::get()
{
static std::weak_ptr<nvidia::cuda::obs> instance;
static std::mutex lock;
std::unique_lock<std::mutex> ul(lock);
if (instance.expired()) {
std::shared_ptr<nvidia::cuda::obs> hard_instance;
hard_instance = std::make_shared<nvidia::cuda::obs>();
instance = hard_instance;
return hard_instance;
}
return instance.lock();
}
std::shared_ptr<nvidia::cuda::cuda> nvidia::cuda::obs::get_cuda()
{
return _cuda;
}
std::shared_ptr<nvidia::cuda::context> nvidia::cuda::obs::get_context()
{
return _context;
}
std::shared_ptr<nvidia::cuda::stream> nvidia::cuda::obs::get_stream()
{
return _stream;
}

43
source/nvidia/cuda/nvidia-cuda-obs.hpp Normal file
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@ -0,0 +1,43 @@
/*
* 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-context.hpp"
#include "nvidia-cuda-stream.hpp"
#include "nvidia-cuda.hpp"
namespace nvidia::cuda {
class obs {
std::shared_ptr<::nvidia::cuda::cuda> _cuda;
std::shared_ptr<::nvidia::cuda::context> _context;
std::shared_ptr<::nvidia::cuda::stream> _stream;
public:
~obs();
obs();
std::shared_ptr<::nvidia::cuda::cuda> get_cuda();
std::shared_ptr<::nvidia::cuda::context> get_context();
std::shared_ptr<::nvidia::cuda::stream> get_stream();
public:
static std::shared_ptr<::nvidia::cuda::obs> get();
};
} // namespace nvidia::cuda