WebGLRenderer: Clean up.

src/renderers/WebGLRenderer.js

@@ -798,9 +798,8 @@ THREE.WebGLRenderer = function ( parameters ) {
 		var geometry = objects.update( object );
 		var program = setProgram( camera, lights, fog, material, object );
 
-		var updateBuffers = false,
-			wireframeBit = material.wireframe ? 1 : 0,
-			geometryProgram = geometry.id + '_' + program.id + '_' + wireframeBit;
+		var updateBuffers = false;
+		var geometryProgram = geometry.id + '_' + program.id + '_' + material.wireframe;
 
 		if ( geometryProgram !== _currentGeometryProgram ) {
 
@@ -869,7 +868,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		if ( object instanceof THREE.Mesh ) {
 
-			renderMesh( material, geometry, object, program, updateBuffers, materialIndex );
+			renderMesh( material, geometry, program, updateBuffers, materialIndex );
 
 		} else if ( object instanceof THREE.Line ) {
 
@@ -877,7 +876,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		} else if ( object instanceof THREE.PointCloud ) {
 
-			renderPointCloud( material, geometry, object, program, updateBuffers, materialIndex );
+			renderPointCloud( material, geometry, program, updateBuffers, materialIndex );
 
 		}
 
@@ -1014,7 +1013,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	}
 
-	function renderMesh( material, geometry, object, program, updateBuffers, materialIndex ) {
+	function renderMesh( material, geometry, program, updateBuffers, materialIndex ) {
 
 		var mode = _gl.TRIANGLES;
 
@@ -1346,7 +1345,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	}
 
-	function renderPointCloud( material, geometry, object, program, updateBuffers, materialIndex ) {
+	function renderPointCloud( material, geometry, program, updateBuffers, materialIndex ) {
 
 		var mode = _gl.POINTS;