49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2020 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "nvidia-cuda-context-stack.hpp"
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#include <stdexcept>
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nvidia::cuda::context_stack::context_stack(std::shared_ptr<::nvidia::cuda::cuda> cuda,
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std::shared_ptr<::nvidia::cuda::context> context)
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: _cuda(cuda), _ctx(context)
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{
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using namespace ::nvidia::cuda;
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if (!cuda)
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throw std::invalid_argument("cuda");
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if (!context)
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throw std::invalid_argument("context");
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if (result res = _cuda->cuCtxPushCurrent(_ctx->get()); res != result::SUCCESS) {
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throw std::runtime_error("Failed to push context.");
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}
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}
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nvidia::cuda::context_stack::~context_stack()
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{
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using namespace ::nvidia::cuda;
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context_t ctx;
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_cuda->cuCtxGetCurrent(&ctx);
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if (ctx == _ctx->get()) {
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_cuda->cuCtxPopCurrent(&ctx);
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}
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}
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