60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
let isAvailable = ( typeof navigator !== 'undefined' && navigator.gpu !== undefined );
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if ( typeof window !== 'undefined' && isAvailable ) {
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isAvailable = await navigator.gpu.requestAdapter();
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}
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/**
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* A utility module with basic WebGPU capability testing.
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*
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* @hideconstructor
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* @three_import import WebGPU from 'three/addons/capabilities/WebGPU.js';
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*/
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class WebGPU {
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/**
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* Returns `true` if WebGPU is available.
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*
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* @return {boolean} Whether WebGPU is available or not.
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*/
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static isAvailable() {
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return Boolean( isAvailable );
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}
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/**
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* Returns a `div` element representing a formatted error message that can be appended in
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* web sites if WebGPU isn't supported.
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*
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* @return {HTMLDivElement} A `div` element representing a formatted error message that WebGPU isn't supported.
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*/
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static getErrorMessage() {
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const message = 'Your browser does not support <a href="https://gpuweb.github.io/gpuweb/" style="color:blue">WebGPU</a> yet';
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const element = document.createElement( 'div' );
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element.id = 'webgpumessage';
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element.style.fontFamily = 'monospace';
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element.style.fontSize = '13px';
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element.style.fontWeight = 'normal';
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element.style.textAlign = 'center';
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element.style.background = '#fff';
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element.style.color = '#000';
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element.style.padding = '1.5em';
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element.style.maxWidth = '400px';
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element.style.margin = '5em auto 0';
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element.innerHTML = message;
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return element;
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}
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}
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export default WebGPU;
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