Updated builds.

build/three.js

@@ -19676,7 +19676,7 @@
 	}
 
 
-	function WebGLRenderList() {
+	function WebGLRenderList( properties ) {
 
 		var renderItems = [];
 		var renderItemsIndex = 0;
@@ -19698,6 +19698,7 @@
 		function getNextRenderItem( object, geometry, material, groupOrder, z, group ) {
 
 			var renderItem = renderItems[ renderItemsIndex ];
+			var materialProperties = properties.get( material );
 
 			if ( renderItem === undefined ) {
 
@@ -19706,7 +19707,7 @@
 					object: object,
 					geometry: geometry,
 					material: material,
-					program: material.program || defaultProgram,
+					program: materialProperties.program || defaultProgram,
 					groupOrder: groupOrder,
 					renderOrder: object.renderOrder,
 					z: z,
@@ -19721,7 +19722,7 @@
 				renderItem.object = object;
 				renderItem.geometry = geometry;
 				renderItem.material = material;
-				renderItem.program = material.program || defaultProgram;
+				renderItem.program = materialProperties.program || defaultProgram;
 				renderItem.groupOrder = groupOrder;
 				renderItem.renderOrder = object.renderOrder;
 				renderItem.z = z;
@@ -19794,7 +19795,7 @@
 
 	}
 
-	function WebGLRenderLists() {
+	function WebGLRenderLists( properties ) {
 
 		var lists = new WeakMap();
 
@@ -19815,7 +19816,7 @@
 
 			if ( cameras === undefined ) {
 
-				list = new WebGLRenderList();
+				list = new WebGLRenderList( properties );
 				lists.set( scene, new WeakMap() );
 				lists.get( scene ).set( camera, list );
 
@@ -19826,7 +19827,7 @@
 				list = cameras.get( camera );
 				if ( list === undefined ) {
 
-					list = new WebGLRenderList();
+					list = new WebGLRenderList( properties );
 					cameras.set( camera, list );
 
 				}
@@ -25016,7 +25017,7 @@
 			morphtargets = new WebGLMorphtargets( _gl );
 			programCache = new WebGLPrograms( _this, extensions, capabilities, bindingStates );
 			materials = new WebGLMaterials( properties );
-			renderLists = new WebGLRenderLists();
+			renderLists = new WebGLRenderLists( properties );
 			renderStates = new WebGLRenderStates();
 
 			background = new WebGLBackground( _this, state, objects, _premultipliedAlpha );
@@ -25365,8 +25366,6 @@
 
 			var programInfo = properties.get( material ).program;
 
-			material.program = undefined;
-
 			if ( programInfo !== undefined ) {
 
 				programCache.releaseProgram( programInfo );
@@ -26072,7 +26071,6 @@
 				materialProperties.program = program;
 				materialProperties.uniforms = parameters.uniforms;
 				materialProperties.outputEncoding = parameters.outputEncoding;
-				material.program = program;
 
 			}
 

build/three.module.js

@@ -19669,7 +19669,7 @@ function reversePainterSortStable( a, b ) {
 }
 
 
-function WebGLRenderList() {
+function WebGLRenderList( properties ) {
 
 	const renderItems = [];
 	let renderItemsIndex = 0;
@@ -19691,6 +19691,7 @@ function WebGLRenderList() {
 	function getNextRenderItem( object, geometry, material, groupOrder, z, group ) {
 
 		let renderItem = renderItems[ renderItemsIndex ];
+		const materialProperties = properties.get( material );
 
 		if ( renderItem === undefined ) {
 
@@ -19699,7 +19700,7 @@ function WebGLRenderList() {
 				object: object,
 				geometry: geometry,
 				material: material,
-				program: material.program || defaultProgram,
+				program: materialProperties.program || defaultProgram,
 				groupOrder: groupOrder,
 				renderOrder: object.renderOrder,
 				z: z,
@@ -19714,7 +19715,7 @@ function WebGLRenderList() {
 			renderItem.object = object;
 			renderItem.geometry = geometry;
 			renderItem.material = material;
-			renderItem.program = material.program || defaultProgram;
+			renderItem.program = materialProperties.program || defaultProgram;
 			renderItem.groupOrder = groupOrder;
 			renderItem.renderOrder = object.renderOrder;
 			renderItem.z = z;
@@ -19787,7 +19788,7 @@ function WebGLRenderList() {
 
 }
 
-function WebGLRenderLists() {
+function WebGLRenderLists( properties ) {
 
 	let lists = new WeakMap();
 
@@ -19808,7 +19809,7 @@ function WebGLRenderLists() {
 
 		if ( cameras === undefined ) {
 
-			list = new WebGLRenderList();
+			list = new WebGLRenderList( properties );
 			lists.set( scene, new WeakMap() );
 			lists.get( scene ).set( camera, list );
 
@@ -19819,7 +19820,7 @@ function WebGLRenderLists() {
 			list = cameras.get( camera );
 			if ( list === undefined ) {
 
-				list = new WebGLRenderList();
+				list = new WebGLRenderList( properties );
 				cameras.set( camera, list );
 
 			}
@@ -25014,7 +25015,7 @@ function WebGLRenderer( parameters ) {
 		morphtargets = new WebGLMorphtargets( _gl );
 		programCache = new WebGLPrograms( _this, extensions, capabilities, bindingStates );
 		materials = new WebGLMaterials( properties );
-		renderLists = new WebGLRenderLists();
+		renderLists = new WebGLRenderLists( properties );
 		renderStates = new WebGLRenderStates();
 
 		background = new WebGLBackground( _this, state, objects, _premultipliedAlpha );
@@ -25363,8 +25364,6 @@ function WebGLRenderer( parameters ) {
 
 		const programInfo = properties.get( material ).program;
 
-		material.program = undefined;
-
 		if ( programInfo !== undefined ) {
 
 			programCache.releaseProgram( programInfo );
@@ -26070,7 +26069,6 @@ function WebGLRenderer( parameters ) {
 			materialProperties.program = program;
 			materialProperties.uniforms = parameters.uniforms;
 			materialProperties.outputEncoding = parameters.outputEncoding;
-			material.program = program;
 
 		}