Refactored Detector.js into WebGL.js

examples/js/WebGL.js

@@ -0,0 +1,94 @@
+/**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+var WEBGL = {
+
+	isWebGLAvailable: function () {
+
+		try {
+
+			var canvas = document.createElement( 'canvas' );
+			return !! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) );
+
+		} catch ( e ) {
+
+			return false;
+
+		}
+
+	},
+
+	isWebGL2Available: function () {
+
+		try {
+
+			var canvas = document.createElement( 'canvas' );
+			return !! ( window.WebGL2RenderingContext && canvas.getContext( 'webgl2' ) );
+
+		} catch ( e ) {
+
+			return false;
+
+		}
+
+	},
+
+	getWebGLErrorMessage: function () {
+
+		return this.getErrorMessage( 1 );
+
+	},
+
+	getWebGL2ErrorMessage: function () {
+
+		return this.getErrorMessage( 2 );
+
+	},
+
+	getErrorMessage: function ( version ) {
+
+		var names = {
+			1: 'WebGL',
+			2: 'WebGL 2'
+		};
+
+		var contexts = {
+			1: window.WebGLRenderingContext,
+			2: window.WebGL2RenderingContext
+		};
+
+		var message = 'Your $0 does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">$1</a>';
+
+		var 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;
+
+	}
+
+};

examples/misc_animation_groups.html

@@ -35,12 +35,16 @@
 		</div>
 
 		<script src="../build/three.js"></script>
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/libs/stats.min.js"></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var stats, clock;
 			var scene, camera, renderer, mixer;

examples/misc_animation_keys.html

@@ -35,12 +35,16 @@
 		</div>
 
 		<script src="../build/three.js"></script>
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/libs/stats.min.js"></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var stats, clock;
 			var scene, camera, renderer, mixer;

examples/misc_controls_fly.html

@@ -46,7 +46,7 @@
 		<script src="js/postprocessing/RenderPass.js"></script>
 		<script src="js/postprocessing/FilmPass.js"></script>
 
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/libs/stats.min.js"></script>
 
 	</head>
@@ -59,7 +59,11 @@
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var radius = 6371;
 			var tilt = 0.41;

examples/misc_controls_map.html

@@ -38,13 +38,17 @@
 
 		<script src="../build/three.js"></script>
 		<script src="js/controls/MapControls.js"></script>
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 
 		<script src='js/libs/dat.gui.min.js'></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var camera, controls, scene, renderer;
 

examples/misc_controls_orbit.html

@@ -38,11 +38,15 @@
 
 		<script src="../build/three.js"></script>
 		<script src="js/controls/OrbitControls.js"></script>
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var camera, controls, scene, renderer;
 

examples/misc_controls_trackball.html

@@ -41,12 +41,16 @@
 
 		<script src="js/controls/TrackballControls.js"></script>
 
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/libs/stats.min.js"></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var camera, controls, scene, renderer, stats;
 

examples/misc_exporter_gltf.html

@@ -40,7 +40,7 @@
 
 		<script src="../build/three.js"></script>
 
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/loaders/OBJLoader.js"></script>
 		<script src="js/exporters/GLTFExporter.js"></script>
 
@@ -140,7 +140,11 @@
 
 			}
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var container;
 

examples/misc_exporter_stl.html

@@ -35,12 +35,16 @@
 		<script src="js/controls/OrbitControls.js"></script>
 		<script src="js/exporters/STLExporter.js"></script>
 
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/libs/dat.gui.min.js"></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var scene, camera, renderer, exporter, mesh;
 

examples/webaudio_orientation.html

@@ -67,7 +67,7 @@
 		</style>
 
 		<script src="../build/three.js"></script>
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/controls/OrbitControls.js"></script>
 		<script src="js/loaders/GLTFLoader.js"></script>
 
@@ -93,7 +93,11 @@
 
 	<script>
 
-	if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+	if ( WEBGL.isWebGLAvailable() === false ) {
+
+		document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+	}
 
 	var scene, camera, renderer;
 

examples/webaudio_sandbox.html

@@ -83,12 +83,16 @@
 		<script src="../build/three.js"></script>
 
 		<script src="js/controls/FirstPersonControls.js"></script>
-		<script src="js/Detector.js"></script>
+		<script src="js/WebGL.js"></script>
 		<script src="js/libs/dat.gui.min.js"></script>
 
 		<script>
 
-			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+			if ( WEBGL.isWebGLAvailable() === false ) {
+
+				document.body.appendChild( WEBGL.getWebGLErrorMessage() );
+
+			}
 
 			var camera, controls, scene, renderer;
 			var light, pointLight;