WebGLRenderer: Add support for morphing colors. (#23523)

* WebGLRenderer: Add support for morphing colors.

* WebGLMorphtargets: Simplify code.

* WebGLRenderer: Make morph color check more safe.

examples/jsm/loaders/GLTFLoader.js

@@ -2051,6 +2051,7 @@ function addMorphTargets( geometry, targets, parser ) {
 
 	let hasMorphPosition = false;
 	let hasMorphNormal = false;
+	let hasMorphColor = false;
 
 	for ( let i = 0, il = targets.length; i < il; i ++ ) {
 
@@ -2058,15 +2059,17 @@ function addMorphTargets( geometry, targets, parser ) {
 
 		if ( target.POSITION !== undefined ) hasMorphPosition = true;
 		if ( target.NORMAL !== undefined ) hasMorphNormal = true;
+		if ( target.COLOR_0 !== undefined ) hasMorphColor = true;
 
-		if ( hasMorphPosition && hasMorphNormal ) break;
+		if ( hasMorphPosition && hasMorphNormal && hasMorphColor ) break;
 
 	}
 
-	if ( ! hasMorphPosition && ! hasMorphNormal ) return Promise.resolve( geometry );
+	if ( ! hasMorphPosition && ! hasMorphNormal && ! hasMorphColor ) return Promise.resolve( geometry );
 
 	const pendingPositionAccessors = [];
 	const pendingNormalAccessors = [];
+	const pendingColorAccessors = [];
 
 	for ( let i = 0, il = targets.length; i < il; i ++ ) {
 
@@ -2092,18 +2095,31 @@ function addMorphTargets( geometry, targets, parser ) {
 
 		}
 
+		if ( hasMorphColor ) {
+
+			const pendingAccessor = target.COLOR_0 !== undefined
+				? parser.getDependency( 'accessor', target.COLOR_0 )
+				: geometry.attributes.color;
+
+			pendingColorAccessors.push( pendingAccessor );
+
+		}
+
 	}
 
 	return Promise.all( [
 		Promise.all( pendingPositionAccessors ),
-		Promise.all( pendingNormalAccessors )
+		Promise.all( pendingNormalAccessors ),
+		Promise.all( pendingColorAccessors )
 	] ).then( function ( accessors ) {
 
 		const morphPositions = accessors[ 0 ];
 		const morphNormals = accessors[ 1 ];
+		const morphColors = accessors[ 2 ];
 
 		if ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;
 		if ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;
+		if ( hasMorphColor ) geometry.morphAttributes.color = morphColors;
 		geometry.morphTargetsRelative = true;
 
 		return geometry;

src/renderers/WebGLRenderer.js

@@ -1419,6 +1419,7 @@ function WebGLRenderer( parameters = {} ) {
 		materialProperties.skinning = parameters.skinning;
 		materialProperties.morphTargets = parameters.morphTargets;
 		materialProperties.morphNormals = parameters.morphNormals;
+		materialProperties.morphColors = parameters.morphColors;
 		materialProperties.morphTargetsCount = parameters.morphTargetsCount;
 		materialProperties.numClippingPlanes = parameters.numClippingPlanes;
 		materialProperties.numIntersection = parameters.numClipIntersection;
@@ -1442,9 +1443,12 @@ function WebGLRenderer( parameters = {} ) {
 		const vertexTangents = !! material.normalMap && !! geometry.attributes.tangent;
 		const morphTargets = !! geometry.morphAttributes.position;
 		const morphNormals = !! geometry.morphAttributes.normal;
-		const morphTargetsCount = !! geometry.morphAttributes.position ? geometry.morphAttributes.position.length : 0;
+		const morphColors = !! geometry.morphAttributes.color;
 		const toneMapping = material.toneMapped ? _this.toneMapping : NoToneMapping;
 
+		const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;
+		const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;
+
 		const materialProperties = properties.get( material );
 		const lights = currentRenderState.state.lights;
 
@@ -1525,6 +1529,10 @@ function WebGLRenderer( parameters = {} ) {
 
 				needsProgramChange = true;
 
+			} else if ( materialProperties.morphColors !== morphColors ) {
+
+				needsProgramChange = true;
+
 			} else if ( materialProperties.toneMapping !== toneMapping ) {
 
 				needsProgramChange = true;
@@ -1675,7 +1683,9 @@ function WebGLRenderer( parameters = {} ) {
 
 		}
 
-		if ( geometry.morphAttributes.position !== undefined || geometry.morphAttributes.normal !== undefined ) {
+		const morphAttributes = geometry.morphAttributes;
+
+		if ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined && capabilities.isWebGL2 === true ) ) {
 
 			morphtargets.update( object, geometry, material, program );
 

src/renderers/shaders/ShaderChunk.js

@@ -59,6 +59,7 @@ import map_particle_fragment from './ShaderChunk/map_particle_fragment.glsl.js';
 import map_particle_pars_fragment from './ShaderChunk/map_particle_pars_fragment.glsl.js';
 import metalnessmap_fragment from './ShaderChunk/metalnessmap_fragment.glsl.js';
 import metalnessmap_pars_fragment from './ShaderChunk/metalnessmap_pars_fragment.glsl.js';
+import morphcolor_vertex from './ShaderChunk/morphcolor_vertex.glsl.js';
 import morphnormal_vertex from './ShaderChunk/morphnormal_vertex.glsl.js';
 import morphtarget_pars_vertex from './ShaderChunk/morphtarget_pars_vertex.glsl.js';
 import morphtarget_vertex from './ShaderChunk/morphtarget_vertex.glsl.js';
@@ -180,6 +181,7 @@ export const ShaderChunk = {
 	map_particle_pars_fragment: map_particle_pars_fragment,
 	metalnessmap_fragment: metalnessmap_fragment,
 	metalnessmap_pars_fragment: metalnessmap_pars_fragment,
+	morphcolor_vertex: morphcolor_vertex,
 	morphnormal_vertex: morphnormal_vertex,
 	morphtarget_pars_vertex: morphtarget_pars_vertex,
 	morphtarget_vertex: morphtarget_vertex,

src/renderers/shaders/ShaderChunk/morphcolor_vertex.glsl.js

@@ -0,0 +1,24 @@
+export default /* glsl */`
+#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )
+
+	// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:
+	// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in normal = sum((target - base) * influence)
+	// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting
+	vColor *= morphTargetBaseInfluence;
+
+	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
+
+		#if defined( USE_COLOR_ALPHA )
+
+			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];
+
+		#elif defined( USE_COLOR )
+
+			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ]
+
+		#endif
+
+	}
+
+#endif
+`;

src/renderers/shaders/ShaderChunk/morphnormal_vertex.glsl.js

@@ -10,7 +10,7 @@ export default /* glsl */`
 
 		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
 
-			if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];
+			if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];
 
 		}
 

src/renderers/shaders/ShaderChunk/morphtarget_pars_vertex.glsl.js

@@ -9,14 +9,14 @@ export default /* glsl */`
 		uniform sampler2DArray morphTargetsTexture;
 		uniform vec2 morphTargetsTextureSize;
 
-		vec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {
+		vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {
 
-			float texelIndex = float( vertexIndex * stride + offset );
+			float texelIndex = float( vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset );
 			float y = floor( texelIndex / morphTargetsTextureSize.x );
 			float x = texelIndex - y * morphTargetsTextureSize.x;
 
 			vec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );
-			return texture( morphTargetsTexture, morphUV ).xyz;
+			return texture( morphTargetsTexture, morphUV );
 
 		}
 

src/renderers/shaders/ShaderChunk/morphtarget_vertex.glsl.js

@@ -10,15 +10,7 @@ export default /* glsl */`
 
 		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
 
-			#ifndef USE_MORPHNORMALS
-
-				if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];
-
-			#else
-
-				if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];
-
-			#endif
+			if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];
 
 		}
 

src/renderers/shaders/ShaderLib/linedashed.glsl.js

@@ -16,6 +16,7 @@ void main() {
 	vLineDistance = scale * lineDistance;
 
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
 	#include <project_vertex>

src/renderers/shaders/ShaderLib/meshbasic.glsl.js

@@ -15,6 +15,7 @@ void main() {
 	#include <uv_vertex>
 	#include <uv2_vertex>
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 
 	#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )
 

src/renderers/shaders/ShaderLib/meshlambert.glsl.js

@@ -28,6 +28,7 @@ void main() {
 	#include <uv_vertex>
 	#include <uv2_vertex>
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>

src/renderers/shaders/ShaderLib/meshmatcap.glsl.js

@@ -19,6 +19,7 @@ void main() {
 
 	#include <uv_vertex>
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>
 	#include <skinbase_vertex>

src/renderers/shaders/ShaderLib/meshphong.glsl.js

@@ -22,6 +22,7 @@ void main() {
 	#include <uv_vertex>
 	#include <uv2_vertex>
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>

src/renderers/shaders/ShaderLib/meshphysical.glsl.js

@@ -27,6 +27,7 @@ void main() {
 	#include <uv_vertex>
 	#include <uv2_vertex>
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>

src/renderers/shaders/ShaderLib/meshtoon.glsl.js

@@ -21,6 +21,7 @@ void main() {
 	#include <uv_vertex>
 	#include <uv2_vertex>
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>

src/renderers/shaders/ShaderLib/points.glsl.js

@@ -12,6 +12,7 @@ uniform float scale;
 void main() {
 
 	#include <color_vertex>
+	#include <morphcolor_vertex>
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
 	#include <project_vertex>

src/renderers/webgl/WebGLMorphtargets.js

@@ -1,6 +1,6 @@
 import { FloatType, RGBAFormat } from '../../constants.js';
 import { DataArrayTexture } from '../../textures/DataArrayTexture.js';
-import { Vector3 } from '../../math/Vector3.js';
+import { Vector4 } from '../../math/Vector4.js';
 import { Vector2 } from '../../math/Vector2.js';
 
 function numericalSort( a, b ) {
@@ -34,7 +34,7 @@ function WebGLMorphtargets( gl, capabilities, textures ) {
 	const influencesList = {};
 	const morphInfluences = new Float32Array( 8 );
 	const morphTextures = new WeakMap();
-	const morph = new Vector3();
+	const morph = new Vector4();
 
 	const workInfluences = [];
 
@@ -53,23 +53,30 @@ function WebGLMorphtargets( gl, capabilities, textures ) {
 			// instead of using attributes, the WebGL 2 code path encodes morph targets
 			// into an array of data textures. Each layer represents a single morph target.
 
-			const numberOfMorphTargets = geometry.morphAttributes.position.length;
+			const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;
+			const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;
 
 			let entry = morphTextures.get( geometry );
 
-			if ( entry === undefined || entry.count !== numberOfMorphTargets ) {
+			if ( entry === undefined || entry.count !== morphTargetsCount ) {
 
 				if ( entry !== undefined ) entry.texture.dispose();
 
+				const hasMorphPosition = geometry.morphAttributes.position !== undefined;
 				const hasMorphNormals = geometry.morphAttributes.normal !== undefined;
+				const hasMorphColors = geometry.morphAttributes.color !== undefined;
 
-				const morphTargets = geometry.morphAttributes.position;
+				const morphTargets = geometry.morphAttributes.position || [];
 				const morphNormals = geometry.morphAttributes.normal || [];
+				const morphColors = geometry.morphAttributes.color || [];
 
-				const numberOfVertices = geometry.attributes.position.count;
-				const numberOfVertexData = ( hasMorphNormals === true ) ? 2 : 1; // (v,n) vs. (v)
+				let vertexDataCount = 0;
 
-				let width = numberOfVertices * numberOfVertexData;
+				if ( hasMorphPosition === true ) vertexDataCount = 1;
+				if ( hasMorphNormals === true ) vertexDataCount = 2;
+				if ( hasMorphColors === true ) vertexDataCount = 3;
+
+				let width = geometry.attributes.position.count * vertexDataCount;
 				let height = 1;
 
 				if ( width > capabilities.maxTextureSize ) {
@@ -79,36 +86,41 @@ function WebGLMorphtargets( gl, capabilities, textures ) {
 
 				}
 
-				const buffer = new Float32Array( width * height * 4 * numberOfMorphTargets );
+				const buffer = new Float32Array( width * height * 4 * morphTargetsCount );
 
-				const texture = new DataArrayTexture( buffer, width, height, numberOfMorphTargets );
+				const texture = new DataArrayTexture( buffer, width, height, morphTargetsCount );
 				texture.format = RGBAFormat; // using RGBA since RGB might be emulated (and is thus slower)
 				texture.type = FloatType;
 				texture.needsUpdate = true;
 
 				// fill buffer
 
-				const vertexDataStride = numberOfVertexData * 4;
+				const vertexDataStride = vertexDataCount * 4;
 
-				for ( let i = 0; i < numberOfMorphTargets; i ++ ) {
+				for ( let i = 0; i < morphTargetsCount; i ++ ) {
 
 					const morphTarget = morphTargets[ i ];
 					const morphNormal = morphNormals[ i ];
+					const morphColor = morphColors[ i ];
 
 					const offset = width * height * 4 * i;
 
 					for ( let j = 0; j < morphTarget.count; j ++ ) {
 
-						morph.fromBufferAttribute( morphTarget, j );
+						const stride = j * vertexDataStride;
 
-						if ( morphTarget.normalized === true ) denormalize( morph, morphTarget );
+						if ( hasMorphPosition === true ) {
 
-						const stride = j * vertexDataStride;
+							morph.fromBufferAttribute( morphTarget, j );
 
-						buffer[ offset + stride + 0 ] = morph.x;
-						buffer[ offset + stride + 1 ] = morph.y;
-						buffer[ offset + stride + 2 ] = morph.z;
-						buffer[ offset + stride + 3 ] = 0;
+							if ( morphTarget.normalized === true ) denormalize( morph, morphTarget );
+
+							buffer[ offset + stride + 0 ] = morph.x;
+							buffer[ offset + stride + 1 ] = morph.y;
+							buffer[ offset + stride + 2 ] = morph.z;
+							buffer[ offset + stride + 3 ] = 0;
+
+						}
 
 						if ( hasMorphNormals === true ) {
 
@@ -123,12 +135,25 @@ function WebGLMorphtargets( gl, capabilities, textures ) {
 
 						}
 
+						if ( hasMorphColors === true ) {
+
+							morph.fromBufferAttribute( morphColor, j );
+
+							if ( morphColor.normalized === true ) denormalize( morph, morphNormal );
+
+							buffer[ offset + stride + 8 ] = morph.x;
+							buffer[ offset + stride + 9 ] = morph.y;
+							buffer[ offset + stride + 10 ] = morph.z;
+							buffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1;
+
+						}
+
 					}
 
 				}
 
 				entry = {
-					count: numberOfMorphTargets,
+					count: morphTargetsCount,
 					texture: texture,
 					size: new Vector2( width, height )
 				};

src/renderers/webgl/WebGLProgram.js

@@ -497,8 +497,10 @@ function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
 
 			parameters.morphTargets ? '#define USE_MORPHTARGETS' : '',
 			parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',
-			( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',
-			( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',
+			( parameters.morphColors && parameters.isWebGL2 ) ? '#define USE_MORPHCOLORS' : '',
+			( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',
+			( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '',
+			( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',
 			parameters.doubleSided ? '#define DOUBLE_SIDED' : '',
 			parameters.flipSided ? '#define FLIP_SIDED' : '',
 

src/renderers/webgl/WebGLPrograms.js

@@ -75,6 +75,7 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 	function getParameters( material, lights, shadows, scene, object ) {
 
 		const fog = scene.fog;
+		const geometry = object.geometry;
 		const environment = material.isMeshStandardMaterial ? scene.environment : null;
 
 		const envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );
@@ -99,6 +100,19 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 
 		}
 
+		//
+
+		const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;
+		const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;
+
+		let morphTextureStride = 0;
+
+		if ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1;
+		if ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2;
+		if ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3;
+
+		//
+
 		let vertexShader, fragmentShader;
 		let customVertexShaderID, customFragmentShaderID;
 
@@ -194,9 +208,9 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 
 			combine: material.combine,
 
-			vertexTangents: ( !! material.normalMap && !! object.geometry && !! object.geometry.attributes.tangent ),
+			vertexTangents: ( !! material.normalMap && !! geometry.attributes.tangent ),
 			vertexColors: material.vertexColors,
-			vertexAlphas: material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,
+			vertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4,
 			vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || !! material.sheenRoughnessMap,
 			uvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap,
 
@@ -213,9 +227,11 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 			maxBones: maxBones,
 			useVertexTexture: floatVertexTextures,
 
-			morphTargets: !! object.geometry && !! object.geometry.morphAttributes.position,
-			morphNormals: !! object.geometry && !! object.geometry.morphAttributes.normal,
-			morphTargetsCount: ( !! object.geometry && !! object.geometry.morphAttributes.position ) ? object.geometry.morphAttributes.position.length : 0,
+			morphTargets: geometry.morphAttributes.position !== undefined,
+			morphNormals: geometry.morphAttributes.normal !== undefined,
+			morphColors: geometry.morphAttributes.color !== undefined,
+			morphTargetsCount: morphTargetsCount,
+			morphTextureStride: morphTextureStride,
 
 			numDirLights: lights.directional.length,
 			numPointLights: lights.point.length,
@@ -316,6 +332,7 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 		array.push( parameters.sizeAttenuation );
 		array.push( parameters.maxBones );
 		array.push( parameters.morphTargetsCount );
+		array.push( parameters.morphAttributeCount );
 		array.push( parameters.numDirLights );
 		array.push( parameters.numPointLights );
 		array.push( parameters.numSpotLights );
@@ -415,40 +432,42 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 			_programLayers.enable( 5 );
 		if ( parameters.morphNormals )
 			_programLayers.enable( 6 );
-		if ( parameters.premultipliedAlpha )
+		if ( parameters.morphColors )
 			_programLayers.enable( 7 );
-		if ( parameters.shadowMapEnabled )
+		if ( parameters.premultipliedAlpha )
 			_programLayers.enable( 8 );
-		if ( parameters.physicallyCorrectLights )
+		if ( parameters.shadowMapEnabled )
 			_programLayers.enable( 9 );
-		if ( parameters.doubleSided )
+		if ( parameters.physicallyCorrectLights )
 			_programLayers.enable( 10 );
-		if ( parameters.flipSided )
+		if ( parameters.doubleSided )
 			_programLayers.enable( 11 );
-		if ( parameters.depthPacking )
+		if ( parameters.flipSided )
 			_programLayers.enable( 12 );
-		if ( parameters.dithering )
+		if ( parameters.depthPacking )
 			_programLayers.enable( 13 );
-		if ( parameters.specularIntensityMap )
+		if ( parameters.dithering )
 			_programLayers.enable( 14 );
-		if ( parameters.specularColorMap )
+		if ( parameters.specularIntensityMap )
 			_programLayers.enable( 15 );
-		if ( parameters.transmission )
+		if ( parameters.specularColorMap )
 			_programLayers.enable( 16 );
-		if ( parameters.transmissionMap )
+		if ( parameters.transmission )
 			_programLayers.enable( 17 );
-		if ( parameters.thicknessMap )
+		if ( parameters.transmissionMap )
 			_programLayers.enable( 18 );
-		if ( parameters.sheen )
+		if ( parameters.thicknessMap )
 			_programLayers.enable( 19 );
-		if ( parameters.sheenColorMap )
+		if ( parameters.sheen )
 			_programLayers.enable( 20 );
-		if ( parameters.sheenRoughnessMap )
+		if ( parameters.sheenColorMap )
 			_programLayers.enable( 21 );
-		if ( parameters.decodeVideoTexture )
+		if ( parameters.sheenRoughnessMap )
 			_programLayers.enable( 22 );
-		if ( parameters.opaque )
+		if ( parameters.decodeVideoTexture )
 			_programLayers.enable( 23 );
+		if ( parameters.opaque )
+			_programLayers.enable( 24 );
 
 		array.push( _programLayers.mask );