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Vulkan-Samples/app/plugins/fps_logger/fps_logger.h
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2025-09-04 10:54:47 +08:00

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/* Copyright (c) 2020-2025, Arm Limited and Contributors
* 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.
*/
#pragma once
#include "platform/plugins/plugin_base.h"
namespace plugins
{
using FpsLoggerTags = vkb::PluginBase<vkb::tags::Passive>;
/**
* @brief FPS Logger
*
* Control when FPS should be logged. Declutters the log output by removing FPS logs when not enabled
*
* Usage: vulkan_sample sample afbc --log-fps
*
*/
class FpsLogger : public FpsLoggerTags
{
public:
FpsLogger();
virtual ~FpsLogger() = default;
void on_update(float delta_time) override;
bool handle_option(std::deque<std::string> &arguments) override;
private:
size_t frame_count = 0;
size_t last_frame_count = 0;
vkb::Timer timer;
};
} // namespace plugins