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4a9744e916
* touch every file on earth to update copyright * update one more * pick up 2017 2018 2019 * revert fuchs copyright * revert other bundle copyrights * somehow missed one
63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2022, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); 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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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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export default function PerformanceIndicator() {
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return function install(openmct) {
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let frames = 0;
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let lastCalculated = performance.now();
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const indicator = openmct.indicators.simpleIndicator();
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indicator.text('~ fps');
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indicator.statusClass('s-status-info');
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openmct.indicators.add(indicator);
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let rafHandle = requestAnimationFrame(incremementFrames);
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openmct.on('destroy', () => {
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cancelAnimationFrame(rafHandle);
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});
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function incremementFrames() {
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let now = performance.now();
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if ((now - lastCalculated) < 1000) {
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frames++;
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} else {
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updateFPS(frames);
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lastCalculated = now;
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frames = 1;
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}
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rafHandle = requestAnimationFrame(incremementFrames);
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}
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function updateFPS(fps) {
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indicator.text(`${fps} fps`);
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if (fps >= 40) {
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indicator.statusClass('s-status-on');
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} else if (fps < 40 && fps >= 20) {
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indicator.statusClass('s-status-warning');
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} else {
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indicator.statusClass('s-status-error');
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}
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}
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};
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}
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