添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/renderers/common/UniformsGroup.js

@@ -0,0 +1,301 @@
+import UniformBuffer from './UniformBuffer.js';
+import { GPU_CHUNK_BYTES } from './Constants.js';
+
+class UniformsGroup extends UniformBuffer {
+
+	constructor( name ) {
+
+		super( name );
+
+		this.isUniformsGroup = true;
+
+		// the order of uniforms in this array must match the order of uniforms in the shader
+
+		this.uniforms = [];
+
+	}
+
+	addUniform( uniform ) {
+
+		this.uniforms.push( uniform );
+
+		return this;
+
+	}
+
+	removeUniform( uniform ) {
+
+		const index = this.uniforms.indexOf( uniform );
+
+		if ( index !== - 1 ) {
+
+			this.uniforms.splice( index, 1 );
+
+		}
+
+		return this;
+
+	}
+
+	get buffer() {
+
+		let buffer = this._buffer;
+
+		if ( buffer === null ) {
+
+			const byteLength = this.byteLength;
+
+			buffer = new Float32Array( new ArrayBuffer( byteLength ) );
+
+			this._buffer = buffer;
+
+		}
+
+		return buffer;
+
+	}
+
+	get byteLength() {
+
+		let offset = 0; // global buffer offset in bytes
+
+		for ( let i = 0, l = this.uniforms.length; i < l; i ++ ) {
+
+			const uniform = this.uniforms[ i ];
+
+			const { boundary, itemSize } = uniform;
+
+			// offset within a single chunk in bytes
+
+			const chunkOffset = offset % GPU_CHUNK_BYTES;
+			const remainingSizeInChunk = GPU_CHUNK_BYTES - chunkOffset;
+
+			// conformance tests
+
+			if ( chunkOffset !== 0 && ( remainingSizeInChunk - boundary ) < 0 ) {
+
+				// check for chunk overflow
+
+				offset += ( GPU_CHUNK_BYTES - chunkOffset );
+
+			} else if ( chunkOffset % boundary !== 0 ) {
+
+				// check for correct alignment
+
+				offset += ( chunkOffset % boundary );
+
+			}
+
+			uniform.offset = ( offset / this.bytesPerElement );
+
+			offset += ( itemSize * this.bytesPerElement );
+
+		}
+
+		return Math.ceil( offset / GPU_CHUNK_BYTES ) * GPU_CHUNK_BYTES;
+
+	}
+
+	update() {
+
+		let updated = false;
+
+		for ( const uniform of this.uniforms ) {
+
+			if ( this.updateByType( uniform ) === true ) {
+
+				updated = true;
+
+			}
+
+		}
+
+		return updated;
+
+	}
+
+	updateByType( uniform ) {
+
+		if ( uniform.isFloatUniform ) return this.updateNumber( uniform );
+		if ( uniform.isVector2Uniform ) return this.updateVector2( uniform );
+		if ( uniform.isVector3Uniform ) return this.updateVector3( uniform );
+		if ( uniform.isVector4Uniform ) return this.updateVector4( uniform );
+		if ( uniform.isColorUniform ) return this.updateColor( uniform );
+		if ( uniform.isMatrix3Uniform ) return this.updateMatrix3( uniform );
+		if ( uniform.isMatrix4Uniform ) return this.updateMatrix4( uniform );
+
+		console.error( 'THREE.WebGPUUniformsGroup: Unsupported uniform type.', uniform );
+
+	}
+
+	updateNumber( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const v = uniform.getValue();
+		const offset = uniform.offset;
+
+		if ( a[ offset ] !== v ) {
+
+			a[ offset ] = v;
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+	updateVector2( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const v = uniform.getValue();
+		const offset = uniform.offset;
+
+		if ( a[ offset + 0 ] !== v.x || a[ offset + 1 ] !== v.y ) {
+
+			a[ offset + 0 ] = v.x;
+			a[ offset + 1 ] = v.y;
+
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+	updateVector3( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const v = uniform.getValue();
+		const offset = uniform.offset;
+
+		if ( a[ offset + 0 ] !== v.x || a[ offset + 1 ] !== v.y || a[ offset + 2 ] !== v.z ) {
+
+			a[ offset + 0 ] = v.x;
+			a[ offset + 1 ] = v.y;
+			a[ offset + 2 ] = v.z;
+
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+	updateVector4( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const v = uniform.getValue();
+		const offset = uniform.offset;
+
+		if ( a[ offset + 0 ] !== v.x || a[ offset + 1 ] !== v.y || a[ offset + 2 ] !== v.z || a[ offset + 4 ] !== v.w ) {
+
+			a[ offset + 0 ] = v.x;
+			a[ offset + 1 ] = v.y;
+			a[ offset + 2 ] = v.z;
+			a[ offset + 3 ] = v.w;
+
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+	updateColor( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const c = uniform.getValue();
+		const offset = uniform.offset;
+
+		if ( a[ offset + 0 ] !== c.r || a[ offset + 1 ] !== c.g || a[ offset + 2 ] !== c.b ) {
+
+			a[ offset + 0 ] = c.r;
+			a[ offset + 1 ] = c.g;
+			a[ offset + 2 ] = c.b;
+
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+	updateMatrix3( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const e = uniform.getValue().elements;
+		const offset = uniform.offset;
+
+		if ( a[ offset + 0 ] !== e[ 0 ] || a[ offset + 1 ] !== e[ 1 ] || a[ offset + 2 ] !== e[ 2 ] ||
+			a[ offset + 4 ] !== e[ 3 ] || a[ offset + 5 ] !== e[ 4 ] || a[ offset + 6 ] !== e[ 5 ] ||
+			a[ offset + 8 ] !== e[ 6 ] || a[ offset + 9 ] !== e[ 7 ] || a[ offset + 10 ] !== e[ 8 ] ) {
+
+			a[ offset + 0 ] = e[ 0 ];
+			a[ offset + 1 ] = e[ 1 ];
+			a[ offset + 2 ] = e[ 2 ];
+			a[ offset + 4 ] = e[ 3 ];
+			a[ offset + 5 ] = e[ 4 ];
+			a[ offset + 6 ] = e[ 5 ];
+			a[ offset + 8 ] = e[ 6 ];
+			a[ offset + 9 ] = e[ 7 ];
+			a[ offset + 10 ] = e[ 8 ];
+
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+	updateMatrix4( uniform ) {
+
+		let updated = false;
+
+		const a = this.buffer;
+		const e = uniform.getValue().elements;
+		const offset = uniform.offset;
+
+		if ( arraysEqual( a, e, offset ) === false ) {
+
+			a.set( e, offset );
+			updated = true;
+
+		}
+
+		return updated;
+
+	}
+
+}
+
+function arraysEqual( a, b, offset ) {
+
+	for ( let i = 0, l = b.length; i < l; i ++ ) {
+
+		if ( a[ offset + i ] !== b[ i ] ) return false;
+
+	}
+
+	return true;
+
+}
+
+export default UniformsGroup;