Updated builds.

build/three.js

@@ -8604,7 +8604,7 @@
 
 		this.userData = {};
 
-		this.needsUpdate = true;
+		this.version = 0;
 
 	}
 
@@ -8952,6 +8952,16 @@
 
 	} );
 
+	Object.defineProperty( Material.prototype, 'needsUpdate', {
+
+		set: function ( value ) {
+
+			if ( value === true ) { this.version ++; }
+
+		}
+
+	} );
+
 	/**
 	 * @author mrdoob / http://mrdoob.com/
 	 * @author alteredq / http://alteredqualia.com/
@@ -22843,6 +22853,7 @@
 		//
 
 		var triggers = [];
+		var grips = [];
 
 		function findGamepad( id ) {
 
@@ -22918,6 +22929,33 @@
 
 					}
 
+					// Grip
+					buttonId = 2;
+
+					if ( grips[ i ] === undefined ) { grips[ i ] = false; }
+
+					// Skip if the grip button doesn't exist on this controller
+					if ( gamepad.buttons[ buttonId ] !== undefined ) {
+
+						if ( grips[ i ] !== gamepad.buttons[ buttonId ].pressed ) {
+
+							grips[ i ] = gamepad.buttons[ buttonId ].pressed;
+
+							if ( grips[ i ] === true ) {
+
+								controller.dispatchEvent( { type: 'squeezestart' } );
+
+							} else {
+
+								controller.dispatchEvent( { type: 'squeezeend' } );
+								controller.dispatchEvent( { type: 'squeeze' } );
+
+							}
+
+						}
+
+					}
+
 				} else {
 
 					controller.visible = false;
@@ -23290,6 +23328,9 @@
 				session.addEventListener( 'select', onSessionEvent );
 				session.addEventListener( 'selectstart', onSessionEvent );
 				session.addEventListener( 'selectend', onSessionEvent );
+				session.addEventListener( 'squeeze', onSessionEvent );
+				session.addEventListener( 'squeezestart', onSessionEvent );
+				session.addEventListener( 'squeezeend', onSessionEvent );
 				session.addEventListener( 'end', onSessionEnd );
 
 				// eslint-disable-next-line no-undef
@@ -25133,7 +25174,7 @@
 
 			}
 
-			if ( material.needsUpdate === false ) {
+			if ( material.version === materialProperties.__version ) {
 
 				if ( materialProperties.program === undefined ) {
 
@@ -25157,10 +25198,10 @@
 
 			}
 
-			if ( material.needsUpdate ) {
+			if ( material.version !== materialProperties.__version ) {
 
 				initMaterial( material, fog, object );
-				material.needsUpdate = false;
+				materialProperties.__version = material.version;
 
 			}
 

build/three.module.js

@@ -8598,7 +8598,7 @@ function Material() {
 
 	this.userData = {};
 
-	this.needsUpdate = true;
+	this.version = 0;
 
 }
 
@@ -8946,6 +8946,16 @@ Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
 } );
 
+Object.defineProperty( Material.prototype, 'needsUpdate', {
+
+	set: function ( value ) {
+
+		if ( value === true ) this.version ++;
+
+	}
+
+} );
+
 /**
  * @author mrdoob / http://mrdoob.com/
  * @author alteredq / http://alteredqualia.com/
@@ -22835,6 +22845,7 @@ function WebVRManager( renderer ) {
 	//
 
 	var triggers = [];
+	var grips = [];
 
 	function findGamepad( id ) {
 
@@ -22910,6 +22921,33 @@ function WebVRManager( renderer ) {
 
 				}
 
+				// Grip
+				buttonId = 2;
+
+				if ( grips[ i ] === undefined ) grips[ i ] = false;
+
+				// Skip if the grip button doesn't exist on this controller
+				if ( gamepad.buttons[ buttonId ] !== undefined ) {
+
+					if ( grips[ i ] !== gamepad.buttons[ buttonId ].pressed ) {
+
+						grips[ i ] = gamepad.buttons[ buttonId ].pressed;
+
+						if ( grips[ i ] === true ) {
+
+							controller.dispatchEvent( { type: 'squeezestart' } );
+
+						} else {
+
+							controller.dispatchEvent( { type: 'squeezeend' } );
+							controller.dispatchEvent( { type: 'squeeze' } );
+
+						}
+
+					}
+
+				}
+
 			} else {
 
 				controller.visible = false;
@@ -23282,6 +23320,9 @@ function WebXRManager( renderer, gl ) {
 			session.addEventListener( 'select', onSessionEvent );
 			session.addEventListener( 'selectstart', onSessionEvent );
 			session.addEventListener( 'selectend', onSessionEvent );
+			session.addEventListener( 'squeeze', onSessionEvent );
+			session.addEventListener( 'squeezestart', onSessionEvent );
+			session.addEventListener( 'squeezeend', onSessionEvent );
 			session.addEventListener( 'end', onSessionEnd );
 
 			// eslint-disable-next-line no-undef
@@ -25125,7 +25166,7 @@ function WebGLRenderer( parameters ) {
 
 		}
 
-		if ( material.needsUpdate === false ) {
+		if ( material.version === materialProperties.__version ) {
 
 			if ( materialProperties.program === undefined ) {
 
@@ -25149,10 +25190,10 @@ function WebGLRenderer( parameters ) {
 
 		}
 
-		if ( material.needsUpdate ) {
+		if ( material.version !== materialProperties.__version ) {
 
 			initMaterial( material, fog, object );
-			material.needsUpdate = false;
+			materialProperties.__version = material.version;
 
 		}