three
Version:
JavaScript 3D library
59 lines (42 loc) • 1.4 kB
JavaScript
let isAvailable = ( typeof navigator !== 'undefined' && navigator.gpu !== undefined );
if ( typeof window !== 'undefined' && isAvailable ) {
isAvailable = await navigator.gpu.requestAdapter();
}
/**
* A utility module with basic WebGPU capability testing.
*
* @hideconstructor
*/
class WebGPU {
/**
* Returns `true` if WebGPU is available.
*
* @return {boolean} Whether WebGPU is available or not.
*/
static isAvailable() {
return Boolean( isAvailable );
}
/**
* Returns a `div` element representing a formatted error message that can be appended in
* web sites if WebGPU isn't supported.
*
* @return {HTMLDivElement} A `div` element representing a formatted error message that WebGPU isn't supported.
*/
static getErrorMessage() {
const message = 'Your browser does not support <a href="https://gpuweb.github.io/gpuweb/" style="color:blue">WebGPU</a> yet';
const element = document.createElement( 'div' );
element.id = 'webgpumessage';
element.style.fontFamily = 'monospace';
element.style.fontSize = '13px';
element.style.fontWeight = 'normal';
element.style.textAlign = 'center';
element.style.background = '#fff';
element.style.color = '#000';
element.style.padding = '1.5em';
element.style.maxWidth = '400px';
element.style.margin = '5em auto 0';
element.innerHTML = message;
return element;
}
}
export default WebGPU;