main repo

node_modules/three/examples/jsm/capabilities/WebGL.js

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+/**
+ * A utility module with basic WebGL 2 capability testing.
+ *
+ * @hideconstructor
+ * @three_import import WebGL from 'three/addons/capabilities/WebGL.js';
+ */
+class WebGL {
+
+	/**
+	 * Returns `true` if WebGL 2 is available.
+	 *
+	 * @return {boolean} Whether WebGL 2 is available or not.
+	 */
+	static isWebGL2Available() {
+
+		try {
+
+			const canvas = document.createElement( 'canvas' );
+			return !! ( window.WebGL2RenderingContext && canvas.getContext( 'webgl2' ) );
+
+		} catch ( e ) {
+
+			return false;
+
+		}
+
+	}
+
+	/**
+	 * Returns `true` if the given color space is available. This method can only be used
+	 * if WebGL 2 is supported.
+	 *
+	 * @param {string} colorSpace - The color space to test.
+	 * @return {boolean} Whether the given color space is available or not.
+	 */
+	static isColorSpaceAvailable( colorSpace ) {
+
+		try {
+
+			const canvas = document.createElement( 'canvas' );
+			const ctx = window.WebGL2RenderingContext && canvas.getContext( 'webgl2' );
+			ctx.drawingBufferColorSpace = colorSpace;
+			return ctx.drawingBufferColorSpace === colorSpace; // deepscan-disable-line SAME_OPERAND_VALUE
+
+		} catch ( e ) {
+
+			return false;
+
+		}
+
+	}
+
+	/**
+	 * Returns a `div` element representing a formatted error message that can be appended in
+	 * web sites if WebGL 2 isn't supported.
+	 *
+	 * @return {HTMLDivElement} A `div` element representing a formatted error message that WebGL 2 isn't supported.
+	 */
+	static getWebGL2ErrorMessage() {
+
+		return this._getErrorMessage( 2 );
+
+	}
+
+	// private
+
+	static _getErrorMessage( version ) {
+
+		const names = {
+			1: 'WebGL',
+			2: 'WebGL 2'
+		};
+
+		const contexts = {
+			1: window.WebGLRenderingContext,
+			2: window.WebGL2RenderingContext
+		};
+
+		let message = 'Your $0 does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">$1</a>';
+
+		const element = document.createElement( 'div' );
+		element.id = 'webglmessage';
+		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.width = '400px';
+		element.style.margin = '5em auto 0';
+
+		if ( contexts[ version ] ) {
+
+			message = message.replace( '$0', 'graphics card' );
+
+		} else {
+
+			message = message.replace( '$0', 'browser' );
+
+		}
+
+		message = message.replace( '$1', names[ version ] );
+
+		element.innerHTML = message;
+
+		return element;
+
+	}
+
+}
+
+export default WebGL;

node_modules/three/examples/jsm/capabilities/WebGPU.js

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+let isAvailable = ( typeof navigator !== 'undefined' && navigator.gpu !== undefined );
+
+if ( typeof window !== 'undefined' && isAvailable ) {
+
+	isAvailable = Boolean( await navigator.gpu.requestAdapter() );
+
+}
+
+/**
+ * A utility module with basic WebGPU capability testing.
+ *
+ * @hideconstructor
+ * @three_import import WebGPU from 'three/addons/capabilities/WebGPU.js';
+ */
+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;