obs-StreamFX/source/nvidia/cuda/nvidia-cuda-stream.cpp
2023-04-05 18:51:08 +02:00

75 lines
2.6 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-stream.hpp"
#include <stdexcept>
#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::stream> "
#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
streamfx::nvidia::cuda::stream::~stream()
{
D_LOG_DEBUG("Finalizing... (Addr: 0x%" PRIuPTR ")", this);
_cuda->cuStreamDestroy(_stream);
}
streamfx::nvidia::cuda::stream::stream(::streamfx::nvidia::cuda::stream_flags flags, int32_t priority)
: _cuda(::streamfx::nvidia::cuda::cuda::get())
{
D_LOG_DEBUG("Initializating... (Addr: 0x%" PRIuPTR ")", this);
streamfx::nvidia::cuda::result res;
if (priority == 0) {
res = _cuda->cuStreamCreate(&_stream, flags);
} else {
res = _cuda->cuStreamCreateWithPriority(&_stream, flags, priority);
}
switch (res) {
case streamfx::nvidia::cuda::result::SUCCESS:
break;
default:
throw std::runtime_error("Failed to create CUstream object.");
}
}
::streamfx::nvidia::cuda::stream_t streamfx::nvidia::cuda::stream::get()
{
return _stream;
}
void streamfx::nvidia::cuda::stream::synchronize()
{
//D_LOG_DEBUG("Synchronizing... (Addr: 0x%" PRIuPTR ")", this);
if (auto res = _cuda->cuStreamSynchronize(_stream); res != ::streamfx::nvidia::cuda::result::SUCCESS) {
throw ::streamfx::nvidia::cuda::cuda_error(res);
}
}