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2025-09-04 10:54:47 +08:00

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C++

/* Copyright (c) 2023-2025, Sascha Willems
* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 the "License";
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gpu_selection.h"
#include "core/instance.h"
#include <algorithm>
namespace plugins
{
GpuSelection::GpuSelection() :
GpuSelectionTags("GPU selection",
"A collection of flags to select the GPU to run the samples on",
{},
{},
{{"gpu", "Zero-based index of the GPU that the sample should use"}})
{
}
bool GpuSelection::handle_option(std::deque<std::string> &arguments)
{
assert(!arguments.empty() && (arguments[0].substr(0, 2) == "--"));
std::string option = arguments[0].substr(2);
if (option == "gpu")
{
if (arguments.size() < 2)
{
LOGE("Option \"gpu\" is missing the actual gpu index!");
return false;
}
uint32_t gpu_index = static_cast<uint32_t>(std::stoul(arguments[1]));
vkb::core::InstanceC::selected_gpu_index = gpu_index;
vkb::core::InstanceCpp::selected_gpu_index = gpu_index;
arguments.pop_front();
arguments.pop_front();
return true;
}
return false;
}
} // namespace plugins