Updated builds.

build/three.cjs

@@ -21863,8 +21863,17 @@ function WebGLLights( extensions, capabilities ) {
 
 				// WebGL 2
 
-				state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
-				state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
+				if ( extensions.has( 'OES_texture_float_linear' ) === true ) {
+
+					state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
+					state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
+
+				} else {
+
+					state.rectAreaLTC1 = UniformsLib.LTC_HALF_1;
+					state.rectAreaLTC2 = UniformsLib.LTC_HALF_2;
+
+				}
 
 			} else {
 
@@ -28113,57 +28122,62 @@ function WebGLUniformsGroups( gl, info, capabilities, state ) {
 
 		for ( let i = 0, il = uniforms.length; i < il; i ++ ) {
 
-			const uniform = uniforms[ i ];
+			const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];
 
-			// partly update the buffer if necessary
+			for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {
 
-			if ( hasUniformChanged( uniform, i, cache ) === true ) {
+				const uniform = uniformArray[ j ];
 
-				const offset = uniform.__offset;
+				if ( hasUniformChanged( uniform, i, cache ) === true ) {
 
-				const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
+					const offset = uniform.__offset;
 
-				let arrayOffset = 0;
+					const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
 
-				for ( let i = 0; i < values.length; i ++ ) {
+					let arrayOffset = 0;
 
-					const value = values[ i ];
+					for ( let i = 0; i < values.length; i ++ ) {
 
-					const info = getUniformSize( value );
+						const value = values[ i ];
 
-					if ( typeof value === 'number' || typeof value === 'boolean' ) {
+						const info = getUniformSize( value );
 
-						uniform.__data[ 0 ] = value;
-						gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );
+						// TODO add integer and struct support
+						if ( typeof value === 'number' || typeof value === 'boolean' ) {
 
-					} else if ( value.isMatrix3 ) {
+							uniform.__data[ 0 ] = value;
+							gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );
 
-						// manually converting 3x3 to 3x4
+						} else if ( value.isMatrix3 ) {
 
-						uniform.__data[ 0 ] = value.elements[ 0 ];
-						uniform.__data[ 1 ] = value.elements[ 1 ];
-						uniform.__data[ 2 ] = value.elements[ 2 ];
-						uniform.__data[ 3 ] = 0;
-						uniform.__data[ 4 ] = value.elements[ 3 ];
-						uniform.__data[ 5 ] = value.elements[ 4 ];
-						uniform.__data[ 6 ] = value.elements[ 5 ];
-						uniform.__data[ 7 ] = 0;
-						uniform.__data[ 8 ] = value.elements[ 6 ];
-						uniform.__data[ 9 ] = value.elements[ 7 ];
-						uniform.__data[ 10 ] = value.elements[ 8 ];
-						uniform.__data[ 11 ] = 0;
+							// manually converting 3x3 to 3x4
 
-					} else {
+							uniform.__data[ 0 ] = value.elements[ 0 ];
+							uniform.__data[ 1 ] = value.elements[ 1 ];
+							uniform.__data[ 2 ] = value.elements[ 2 ];
+							uniform.__data[ 3 ] = 0;
+							uniform.__data[ 4 ] = value.elements[ 3 ];
+							uniform.__data[ 5 ] = value.elements[ 4 ];
+							uniform.__data[ 6 ] = value.elements[ 5 ];
+							uniform.__data[ 7 ] = 0;
+							uniform.__data[ 8 ] = value.elements[ 6 ];
+							uniform.__data[ 9 ] = value.elements[ 7 ];
+							uniform.__data[ 10 ] = value.elements[ 8 ];
+							uniform.__data[ 11 ] = 0;
+
+						} else {
 
-						value.toArray( uniform.__data, arrayOffset );
+							value.toArray( uniform.__data, arrayOffset );
 
-						arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;
+							arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;
+
+						}
 
 					}
 
-				}
+					gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );
 
-				gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );
+				}
 
 			}
 
@@ -28260,63 +28274,53 @@ function WebGLUniformsGroups( gl, info, capabilities, state ) {
 
 		let offset = 0; // global buffer offset in bytes
 		const chunkSize = 16; // size of a chunk in bytes
-		let chunkOffset = 0; // offset within a single chunk in bytes
 
 		for ( let i = 0, l = uniforms.length; i < l; i ++ ) {
 
-			const uniform = uniforms[ i ];
-
-			const infos = {
-				boundary: 0, // bytes
-				storage: 0 // bytes
-			};
+			const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];
 
-			const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
+			for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {
 
-			for ( let j = 0, jl = values.length; j < jl; j ++ ) {
+				const uniform = uniformArray[ j ];
 
-				const value = values[ j ];
-
-				const info = getUniformSize( value );
+				const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
 
-				infos.boundary += info.boundary;
-				infos.storage += info.storage;
+				for ( let k = 0, kl = values.length; k < kl; k ++ ) {
 
-			}
+					const value = values[ k ];
 
-			// the following two properties will be used for partial buffer updates
+					const info = getUniformSize( value );
 
-			uniform.__data = new Float32Array( infos.storage / Float32Array.BYTES_PER_ELEMENT );
-			uniform.__offset = offset;
+					// Calculate the chunk offset
+					const chunkOffsetUniform = offset % chunkSize;
 
-			//
+					// Check for chunk overflow
+					if ( chunkOffsetUniform !== 0 && ( chunkSize - chunkOffsetUniform ) < info.boundary ) {
 
-			if ( i > 0 ) {
+						// Add padding and adjust offset
+						offset += ( chunkSize - chunkOffsetUniform );
 
-				chunkOffset = offset % chunkSize;
+					}
 
-				const remainingSizeInChunk = chunkSize - chunkOffset;
+					// the following two properties will be used for partial buffer updates
 
-				// check for chunk overflow
+					uniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );
+					uniform.__offset = offset;
 
-				if ( chunkOffset !== 0 && ( remainingSizeInChunk - infos.boundary ) < 0 ) {
 
-					// add padding and adjust offset
+					// Update the global offset
+					offset += info.storage;
 
-					offset += ( chunkSize - chunkOffset );
-					uniform.__offset = offset;
 
 				}
 
 			}
 
-			offset += infos.storage;
-
 		}
 
 		// ensure correct final padding
 
-		chunkOffset = offset % chunkSize;
+		const chunkOffset = offset % chunkSize;
 
 		if ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );
 
@@ -30817,7 +30821,7 @@ class WebGLRenderer {
 				textures.setTexture3D( dstTexture, 0 );
 				glTarget = _gl.TEXTURE_3D;
 
-			} else if ( dstTexture.isDataArrayTexture ) {
+			} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {
 
 				textures.setTexture2DArray( dstTexture, 0 );
 				glTarget = _gl.TEXTURE_2D_ARRAY;
@@ -30839,7 +30843,7 @@ class WebGLRenderer {
 			const unpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );
 			const unpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );
 
-			const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;
+			const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ level ] : srcTexture.image;
 
 			_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );
 			_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );
@@ -50798,7 +50802,13 @@ class UniformsGroup extends EventDispatcher {
 
 		for ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {
 
-			this.uniforms.push( uniformsSource[ i ].clone() );
+			const uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];
+
+			for ( let j = 0; j < uniforms.length; j ++ ) {
+
+				this.uniforms.push( uniforms[ j ].clone() );
+
+			}
 
 		}
 

build/three.js

@@ -21868,8 +21868,17 @@ console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated
 
 					// WebGL 2
 
-					state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
-					state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
+					if ( extensions.has( 'OES_texture_float_linear' ) === true ) {
+
+						state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
+						state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
+
+					} else {
+
+						state.rectAreaLTC1 = UniformsLib.LTC_HALF_1;
+						state.rectAreaLTC2 = UniformsLib.LTC_HALF_2;
+
+					}
 
 				} else {
 
@@ -28118,57 +28127,62 @@ console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated
 
 			for ( let i = 0, il = uniforms.length; i < il; i ++ ) {
 
-				const uniform = uniforms[ i ];
+				const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];
 
-				// partly update the buffer if necessary
+				for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {
 
-				if ( hasUniformChanged( uniform, i, cache ) === true ) {
+					const uniform = uniformArray[ j ];
 
-					const offset = uniform.__offset;
+					if ( hasUniformChanged( uniform, i, cache ) === true ) {
 
-					const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
+						const offset = uniform.__offset;
 
-					let arrayOffset = 0;
+						const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
 
-					for ( let i = 0; i < values.length; i ++ ) {
+						let arrayOffset = 0;
 
-						const value = values[ i ];
+						for ( let i = 0; i < values.length; i ++ ) {
 
-						const info = getUniformSize( value );
+							const value = values[ i ];
 
-						if ( typeof value === 'number' || typeof value === 'boolean' ) {
+							const info = getUniformSize( value );
 
-							uniform.__data[ 0 ] = value;
-							gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );
+							// TODO add integer and struct support
+							if ( typeof value === 'number' || typeof value === 'boolean' ) {
 
-						} else if ( value.isMatrix3 ) {
+								uniform.__data[ 0 ] = value;
+								gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );
 
-							// manually converting 3x3 to 3x4
+							} else if ( value.isMatrix3 ) {
 
-							uniform.__data[ 0 ] = value.elements[ 0 ];
-							uniform.__data[ 1 ] = value.elements[ 1 ];
-							uniform.__data[ 2 ] = value.elements[ 2 ];
-							uniform.__data[ 3 ] = 0;
-							uniform.__data[ 4 ] = value.elements[ 3 ];
-							uniform.__data[ 5 ] = value.elements[ 4 ];
-							uniform.__data[ 6 ] = value.elements[ 5 ];
-							uniform.__data[ 7 ] = 0;
-							uniform.__data[ 8 ] = value.elements[ 6 ];
-							uniform.__data[ 9 ] = value.elements[ 7 ];
-							uniform.__data[ 10 ] = value.elements[ 8 ];
-							uniform.__data[ 11 ] = 0;
+								// manually converting 3x3 to 3x4
 
-						} else {
+								uniform.__data[ 0 ] = value.elements[ 0 ];
+								uniform.__data[ 1 ] = value.elements[ 1 ];
+								uniform.__data[ 2 ] = value.elements[ 2 ];
+								uniform.__data[ 3 ] = 0;
+								uniform.__data[ 4 ] = value.elements[ 3 ];
+								uniform.__data[ 5 ] = value.elements[ 4 ];
+								uniform.__data[ 6 ] = value.elements[ 5 ];
+								uniform.__data[ 7 ] = 0;
+								uniform.__data[ 8 ] = value.elements[ 6 ];
+								uniform.__data[ 9 ] = value.elements[ 7 ];
+								uniform.__data[ 10 ] = value.elements[ 8 ];
+								uniform.__data[ 11 ] = 0;
+
+							} else {
 
-							value.toArray( uniform.__data, arrayOffset );
+								value.toArray( uniform.__data, arrayOffset );
 
-							arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;
+								arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;
+
+							}
 
 						}
 
-					}
+						gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );
 
-					gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );
+					}
 
 				}
 
@@ -28265,63 +28279,53 @@ console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated
 
 			let offset = 0; // global buffer offset in bytes
 			const chunkSize = 16; // size of a chunk in bytes
-			let chunkOffset = 0; // offset within a single chunk in bytes
 
 			for ( let i = 0, l = uniforms.length; i < l; i ++ ) {
 
-				const uniform = uniforms[ i ];
-
-				const infos = {
-					boundary: 0, // bytes
-					storage: 0 // bytes
-				};
+				const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];
 
-				const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
+				for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {
 
-				for ( let j = 0, jl = values.length; j < jl; j ++ ) {
+					const uniform = uniformArray[ j ];
 
-					const value = values[ j ];
-
-					const info = getUniformSize( value );
+					const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
 
-					infos.boundary += info.boundary;
-					infos.storage += info.storage;
+					for ( let k = 0, kl = values.length; k < kl; k ++ ) {
 
-				}
+						const value = values[ k ];
 
-				// the following two properties will be used for partial buffer updates
+						const info = getUniformSize( value );
 
-				uniform.__data = new Float32Array( infos.storage / Float32Array.BYTES_PER_ELEMENT );
-				uniform.__offset = offset;
+						// Calculate the chunk offset
+						const chunkOffsetUniform = offset % chunkSize;
 
-				//
+						// Check for chunk overflow
+						if ( chunkOffsetUniform !== 0 && ( chunkSize - chunkOffsetUniform ) < info.boundary ) {
 
-				if ( i > 0 ) {
+							// Add padding and adjust offset
+							offset += ( chunkSize - chunkOffsetUniform );
 
-					chunkOffset = offset % chunkSize;
+						}
 
-					const remainingSizeInChunk = chunkSize - chunkOffset;
+						// the following two properties will be used for partial buffer updates
 
-					// check for chunk overflow
+						uniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );
+						uniform.__offset = offset;
 
-					if ( chunkOffset !== 0 && ( remainingSizeInChunk - infos.boundary ) < 0 ) {
 
-						// add padding and adjust offset
+						// Update the global offset
+						offset += info.storage;
 
-						offset += ( chunkSize - chunkOffset );
-						uniform.__offset = offset;
 
 					}
 
 				}
 
-				offset += infos.storage;
-
 			}
 
 			// ensure correct final padding
 
-			chunkOffset = offset % chunkSize;
+			const chunkOffset = offset % chunkSize;
 
 			if ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );
 
@@ -30822,7 +30826,7 @@ console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated
 					textures.setTexture3D( dstTexture, 0 );
 					glTarget = _gl.TEXTURE_3D;
 
-				} else if ( dstTexture.isDataArrayTexture ) {
+				} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {
 
 					textures.setTexture2DArray( dstTexture, 0 );
 					glTarget = _gl.TEXTURE_2D_ARRAY;
@@ -30844,7 +30848,7 @@ console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated
 				const unpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );
 				const unpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );
 
-				const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;
+				const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ level ] : srcTexture.image;
 
 				_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );
 				_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );
@@ -50803,7 +50807,13 @@ console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated
 
 			for ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {
 
-				this.uniforms.push( uniformsSource[ i ].clone() );
+				const uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];
+
+				for ( let j = 0; j < uniforms.length; j ++ ) {
+
+					this.uniforms.push( uniforms[ j ].clone() );
+
+				}
 
 			}
 

build/three.module.js

@@ -21861,8 +21861,17 @@ function WebGLLights( extensions, capabilities ) {
 
 				// WebGL 2
 
-				state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
-				state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
+				if ( extensions.has( 'OES_texture_float_linear' ) === true ) {
+
+					state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
+					state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
+
+				} else {
+
+					state.rectAreaLTC1 = UniformsLib.LTC_HALF_1;
+					state.rectAreaLTC2 = UniformsLib.LTC_HALF_2;
+
+				}
 
 			} else {
 
@@ -28111,57 +28120,62 @@ function WebGLUniformsGroups( gl, info, capabilities, state ) {
 
 		for ( let i = 0, il = uniforms.length; i < il; i ++ ) {
 
-			const uniform = uniforms[ i ];
+			const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];
 
-			// partly update the buffer if necessary
+			for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {
 
-			if ( hasUniformChanged( uniform, i, cache ) === true ) {
+				const uniform = uniformArray[ j ];
 
-				const offset = uniform.__offset;
+				if ( hasUniformChanged( uniform, i, cache ) === true ) {
 
-				const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
+					const offset = uniform.__offset;
 
-				let arrayOffset = 0;
+					const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
 
-				for ( let i = 0; i < values.length; i ++ ) {
+					let arrayOffset = 0;
 
-					const value = values[ i ];
+					for ( let i = 0; i < values.length; i ++ ) {
 
-					const info = getUniformSize( value );
+						const value = values[ i ];
 
-					if ( typeof value === 'number' || typeof value === 'boolean' ) {
+						const info = getUniformSize( value );
 
-						uniform.__data[ 0 ] = value;
-						gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );
+						// TODO add integer and struct support
+						if ( typeof value === 'number' || typeof value === 'boolean' ) {
 
-					} else if ( value.isMatrix3 ) {
+							uniform.__data[ 0 ] = value;
+							gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );
 
-						// manually converting 3x3 to 3x4
+						} else if ( value.isMatrix3 ) {
 
-						uniform.__data[ 0 ] = value.elements[ 0 ];
-						uniform.__data[ 1 ] = value.elements[ 1 ];
-						uniform.__data[ 2 ] = value.elements[ 2 ];
-						uniform.__data[ 3 ] = 0;
-						uniform.__data[ 4 ] = value.elements[ 3 ];
-						uniform.__data[ 5 ] = value.elements[ 4 ];
-						uniform.__data[ 6 ] = value.elements[ 5 ];
-						uniform.__data[ 7 ] = 0;
-						uniform.__data[ 8 ] = value.elements[ 6 ];
-						uniform.__data[ 9 ] = value.elements[ 7 ];
-						uniform.__data[ 10 ] = value.elements[ 8 ];
-						uniform.__data[ 11 ] = 0;
+							// manually converting 3x3 to 3x4
 
-					} else {
+							uniform.__data[ 0 ] = value.elements[ 0 ];
+							uniform.__data[ 1 ] = value.elements[ 1 ];
+							uniform.__data[ 2 ] = value.elements[ 2 ];
+							uniform.__data[ 3 ] = 0;
+							uniform.__data[ 4 ] = value.elements[ 3 ];
+							uniform.__data[ 5 ] = value.elements[ 4 ];
+							uniform.__data[ 6 ] = value.elements[ 5 ];
+							uniform.__data[ 7 ] = 0;
+							uniform.__data[ 8 ] = value.elements[ 6 ];
+							uniform.__data[ 9 ] = value.elements[ 7 ];
+							uniform.__data[ 10 ] = value.elements[ 8 ];
+							uniform.__data[ 11 ] = 0;
+
+						} else {
 
-						value.toArray( uniform.__data, arrayOffset );
+							value.toArray( uniform.__data, arrayOffset );
 
-						arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;
+							arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;
+
+						}
 
 					}
 
-				}
+					gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );
 
-				gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );
+				}
 
 			}
 
@@ -28258,63 +28272,53 @@ function WebGLUniformsGroups( gl, info, capabilities, state ) {
 
 		let offset = 0; // global buffer offset in bytes
 		const chunkSize = 16; // size of a chunk in bytes
-		let chunkOffset = 0; // offset within a single chunk in bytes
 
 		for ( let i = 0, l = uniforms.length; i < l; i ++ ) {
 
-			const uniform = uniforms[ i ];
-
-			const infos = {
-				boundary: 0, // bytes
-				storage: 0 // bytes
-			};
+			const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];
 
-			const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
+			for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {
 
-			for ( let j = 0, jl = values.length; j < jl; j ++ ) {
+				const uniform = uniformArray[ j ];
 
-				const value = values[ j ];
-
-				const info = getUniformSize( value );
+				const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];
 
-				infos.boundary += info.boundary;
-				infos.storage += info.storage;
+				for ( let k = 0, kl = values.length; k < kl; k ++ ) {
 
-			}
+					const value = values[ k ];
 
-			// the following two properties will be used for partial buffer updates
+					const info = getUniformSize( value );
 
-			uniform.__data = new Float32Array( infos.storage / Float32Array.BYTES_PER_ELEMENT );
-			uniform.__offset = offset;
+					// Calculate the chunk offset
+					const chunkOffsetUniform = offset % chunkSize;
 
-			//
+					// Check for chunk overflow
+					if ( chunkOffsetUniform !== 0 && ( chunkSize - chunkOffsetUniform ) < info.boundary ) {
 
-			if ( i > 0 ) {
+						// Add padding and adjust offset
+						offset += ( chunkSize - chunkOffsetUniform );
 
-				chunkOffset = offset % chunkSize;
+					}
 
-				const remainingSizeInChunk = chunkSize - chunkOffset;
+					// the following two properties will be used for partial buffer updates
 
-				// check for chunk overflow
+					uniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );
+					uniform.__offset = offset;
 
-				if ( chunkOffset !== 0 && ( remainingSizeInChunk - infos.boundary ) < 0 ) {
 
-					// add padding and adjust offset
+					// Update the global offset
+					offset += info.storage;
 
-					offset += ( chunkSize - chunkOffset );
-					uniform.__offset = offset;
 
 				}
 
 			}
 
-			offset += infos.storage;
-
 		}
 
 		// ensure correct final padding
 
-		chunkOffset = offset % chunkSize;
+		const chunkOffset = offset % chunkSize;
 
 		if ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );
 
@@ -30815,7 +30819,7 @@ class WebGLRenderer {
 				textures.setTexture3D( dstTexture, 0 );
 				glTarget = _gl.TEXTURE_3D;
 
-			} else if ( dstTexture.isDataArrayTexture ) {
+			} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {
 
 				textures.setTexture2DArray( dstTexture, 0 );
 				glTarget = _gl.TEXTURE_2D_ARRAY;
@@ -30837,7 +30841,7 @@ class WebGLRenderer {
 			const unpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );
 			const unpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );
 
-			const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;
+			const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ level ] : srcTexture.image;
 
 			_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );
 			_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );
@@ -50796,7 +50800,13 @@ class UniformsGroup extends EventDispatcher {
 
 		for ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {
 
-			this.uniforms.push( uniformsSource[ i ].clone() );
+			const uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];
+
+			for ( let j = 0; j < uniforms.length; j ++ ) {
+
+				this.uniforms.push( uniforms[ j ].clone() );
+
+			}
 
 		}