mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-12-02 08:07:25 +00:00
135 lines
4.7 KiB
C++
135 lines
4.7 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.hpp"
|
|
#include "common.hpp"
|
|
#include <mutex>
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
#define CUDA_NAME "nvcuda.dll"
|
|
#else
|
|
#define CUDA_NAME "libcuda.so.1"
|
|
#endif
|
|
|
|
#define CUDA_LOAD_SYMBOL(NAME) \
|
|
{ \
|
|
NAME = static_cast<decltype(NAME)>(os_dlsym(_library, #NAME)); \
|
|
if (!NAME) \
|
|
throw std::runtime_error("Failed to load '" #NAME "' from '" CUDA_NAME "'."); \
|
|
}
|
|
#define CUDA_LOAD_SYMBOL_V2(NAME) \
|
|
{ \
|
|
NAME = static_cast<decltype(NAME)>(os_dlsym(_library, #NAME "_v2")); \
|
|
if (!NAME) \
|
|
throw std::runtime_error("Failed to load '" #NAME "' from '" CUDA_NAME "'."); \
|
|
}
|
|
#define CUDA_LOAD_SYMBOL_EX(NAME, OVERRIDE) \
|
|
{ \
|
|
NAME = static_cast<decltype(NAME)>(os_dlsym(_library, #OVERRIDE)); \
|
|
if (!NAME) \
|
|
throw std::runtime_error("Failed to load '" #NAME "' from '" CUDA_NAME "'."); \
|
|
}
|
|
|
|
nvidia::cuda::cuda::cuda()
|
|
{
|
|
_library = os_dlopen(CUDA_NAME);
|
|
if (!_library)
|
|
throw std::runtime_error("Failed to load '" CUDA_NAME "'.");
|
|
|
|
// Initialization
|
|
CUDA_LOAD_SYMBOL(cuInit);
|
|
|
|
// Version Management
|
|
CUDA_LOAD_SYMBOL(cuDriverGetVersion);
|
|
|
|
// Primary Context Management
|
|
CUDA_LOAD_SYMBOL(cuDevicePrimaryCtxRetain);
|
|
CUDA_LOAD_SYMBOL_V2(cuDevicePrimaryCtxRelease);
|
|
CUDA_LOAD_SYMBOL_V2(cuDevicePrimaryCtxSetFlags);
|
|
|
|
// Context Management
|
|
CUDA_LOAD_SYMBOL_V2(cuCtxCreate);
|
|
CUDA_LOAD_SYMBOL_V2(cuCtxDestroy);
|
|
CUDA_LOAD_SYMBOL(cuCtxGetCurrent);
|
|
CUDA_LOAD_SYMBOL(cuCtxGetStreamPriorityRange);
|
|
CUDA_LOAD_SYMBOL_V2(cuCtxPopCurrent);
|
|
CUDA_LOAD_SYMBOL_V2(cuCtxPushCurrent);
|
|
CUDA_LOAD_SYMBOL(cuCtxSetCurrent);
|
|
CUDA_LOAD_SYMBOL(cuCtxSynchronize);
|
|
|
|
// Memory Management
|
|
CUDA_LOAD_SYMBOL_V2(cuArrayGetDescriptor);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemAlloc);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemAllocPitch);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemFree);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemHostGetDevicePointer);
|
|
CUDA_LOAD_SYMBOL(cuMemcpy);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpy2D);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpy2DAsync);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyAtoA);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyAtoD);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyAtoH);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyAtoHAsync);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyDtoA);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyDtoD);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyDtoH);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyDtoHAsync);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyHtoA);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyHtoAAsync);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyHtoD);
|
|
CUDA_LOAD_SYMBOL_V2(cuMemcpyHtoDAsync);
|
|
|
|
// Stream Managment
|
|
CUDA_LOAD_SYMBOL(cuStreamCreate);
|
|
CUDA_LOAD_SYMBOL(cuStreamCreateWithPriority);
|
|
CUDA_LOAD_SYMBOL_V2(cuStreamDestroy);
|
|
CUDA_LOAD_SYMBOL(cuStreamSynchronize);
|
|
|
|
// Graphics Interoperability
|
|
CUDA_LOAD_SYMBOL(cuGraphicsMapResources);
|
|
CUDA_LOAD_SYMBOL(cuGraphicsSubResourceGetMappedArray);
|
|
CUDA_LOAD_SYMBOL(cuGraphicsUnmapResources);
|
|
CUDA_LOAD_SYMBOL(cuGraphicsUnregisterResource);
|
|
|
|
#ifdef WIN32
|
|
// Direct3D11 Interopability
|
|
CUDA_LOAD_SYMBOL(cuD3D11GetDevice);
|
|
CUDA_LOAD_SYMBOL(cuGraphicsD3D11RegisterResource);
|
|
#endif
|
|
|
|
// Initialize CUDA
|
|
cuInit(0);
|
|
}
|
|
|
|
nvidia::cuda::cuda::~cuda()
|
|
{
|
|
os_dlclose(_library);
|
|
}
|
|
|
|
std::shared_ptr<nvidia::cuda::cuda> nvidia::cuda::cuda::get()
|
|
{
|
|
static std::shared_ptr<nvidia::cuda::cuda> instance;
|
|
static std::mutex lock;
|
|
|
|
std::unique_lock<std::mutex> ul(lock);
|
|
if (!instance) {
|
|
instance = std::make_shared<nvidia::cuda::cuda>();
|
|
}
|
|
return instance;
|
|
}
|