61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
/* Copyright (c) 2020-2025, Arm Limited and Contributors
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* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 the "License";
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fps_logger.h"
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namespace plugins
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{
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FpsLogger::FpsLogger() :
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FpsLoggerTags("FPS Logger", "Enable FPS logging.", {vkb::Hook::OnUpdate, vkb::Hook::OnAppStart}, {}, {{"log-fps", "Log FPS"}})
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{
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}
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bool FpsLogger::handle_option(std::deque<std::string> &arguments)
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{
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assert(!arguments.empty() && (arguments[0].substr(0, 2) == "--"));
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std::string option = arguments[0].substr(2);
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if (option == "log-fps")
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{
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arguments.pop_front();
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return true;
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}
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return false;
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}
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void FpsLogger::on_update(float delta_time)
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{
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if (!timer.is_running())
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{
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timer.start();
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}
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auto elapsed_time = static_cast<float>(timer.elapsed<vkb::Timer::Seconds>());
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frame_count++;
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if (elapsed_time > 0.5f)
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{
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auto fps = (frame_count - last_frame_count) / elapsed_time;
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LOGI("FPS: {:.1f}", fps);
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last_frame_count = frame_count;
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timer.lap();
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}
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};
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} // namespace plugins
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