Updated builds.

build/three.js

@@ -15138,7 +15138,7 @@ THREE.Skeleton.prototype.addBone = function ( bone ) {
 };
 
 
-THREE.Skeleton.prototype.calculateInverses = function ( bone ) {
+THREE.Skeleton.prototype.calculateInverses = function () {
 
 	this.boneInverses = [];
 
@@ -18115,6 +18115,8 @@ THREE.ShaderLib = {
 			"		#endif",
 
 			"	}",
+			
+			THREE.ShaderChunk[ "alphatest_fragment" ],
 
 			"	if( enableSpecular )",
 			"		specularTex = texture2D( tSpecular, vUv ).xyz;",
@@ -22935,7 +22937,11 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		for ( u in material.__webglShader.uniforms ) {
 
-			material.uniformsList.push( [ material.__webglShader.uniforms[ u ], u ] );
+			var location = material.program.uniforms[ u ];
+
+			if ( location ) {
+				material.uniformsList.push( [ material.__webglShader.uniforms[ u ], location ] );
+			}
 
 		}
 
@@ -22966,6 +22972,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		var refreshProgram = false;
 		var refreshMaterial = false;
+		var refreshLights = false;
 
 		var program = material.program,
 			p_uniforms = program.uniforms,
@@ -22978,12 +22985,15 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 			refreshProgram = true;
 			refreshMaterial = true;
+			refreshLights = true;
 
 		}
 
 		if ( material.id !== _currentMaterialId ) {
 
+			if ( _currentMaterialId === -1 ) refreshLights = true;
 			_currentMaterialId = material.id;
+
 			refreshMaterial = true;
 
 		}
@@ -23089,12 +23099,17 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 				if ( _lightsNeedUpdate ) {
 
-					setupLights( program, lights );
+					refreshLights = true;
+					setupLights( lights );
 					_lightsNeedUpdate = false;
-
 				}
 
-				refreshUniformsLights( m_uniforms, _lights );
+				if ( refreshLights ) {
+					refreshUniformsLights( m_uniforms, _lights );
+					markUniformsLightsNeedsUpdate( m_uniforms, true );
+				} else {
+					markUniformsLightsNeedsUpdate( m_uniforms, false );
+				}
 
 			}
 
@@ -23149,7 +23164,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 			// load common uniforms
 
-			loadUniformsGeneric( program, material.uniformsList );
+			loadUniformsGeneric( material.uniformsList );
 
 		}
 
@@ -23375,6 +23390,32 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	};
 
+	// If uniforms are marked as clean, they don't need to be loaded to the GPU.
+
+	function markUniformsLightsNeedsUpdate ( uniforms, boolean ) {
+
+		uniforms.ambientLightColor.needsUpdate = boolean;
+
+		uniforms.directionalLightColor.needsUpdate = boolean;
+		uniforms.directionalLightDirection.needsUpdate = boolean;
+
+		uniforms.pointLightColor.needsUpdate = boolean;
+		uniforms.pointLightPosition.needsUpdate = boolean;
+		uniforms.pointLightDistance.needsUpdate = boolean;
+
+		uniforms.spotLightColor.needsUpdate = boolean;
+		uniforms.spotLightPosition.needsUpdate = boolean;
+		uniforms.spotLightDistance.needsUpdate = boolean;
+		uniforms.spotLightDirection.needsUpdate = boolean;
+		uniforms.spotLightAngleCos.needsUpdate = boolean;
+		uniforms.spotLightExponent.needsUpdate = boolean;
+
+		uniforms.hemisphereLightSkyColor.needsUpdate = boolean;
+		uniforms.hemisphereLightGroundColor.needsUpdate = boolean;
+		uniforms.hemisphereLightDirection.needsUpdate = boolean;
+
+	};
+
 	function refreshUniformsShadow ( uniforms, lights ) {
 
 		if ( uniforms.shadowMatrix ) {
@@ -23437,18 +23478,19 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	};
 
-	function loadUniformsGeneric ( program, uniforms ) {
+	function loadUniformsGeneric ( uniforms ) {
 
 		var texture, textureUnit, offset;
 
 		for ( var j = 0, jl = uniforms.length; j < jl; j ++ ) {
 
-			var location = program.uniforms[ uniforms[ j ][ 1 ] ];
-
-			if ( ! location ) continue;
+			var location = uniforms[ j ][ 1 ];
 
 			var uniform = uniforms[ j ][ 0 ];
 
+			// needsUpdate property is not added to all uniforms.
+			if ( uniform.needsUpdate === false ) continue;
+
 			var type = uniform.type;
 			var value = uniform.value;
 
@@ -23678,7 +23720,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	};
 
-	function setupLights ( program, lights ) {
+	function setupLights ( lights ) {
 
 		var l, ll, light, n,
 		r = 0, g = 0, b = 0,