添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/renderers/webgpu/utils/WebGPUBindingUtils.js

@@ -0,0 +1,258 @@
+import {
+	GPUTextureAspect, GPUTextureViewDimension, GPUBufferBindingType, GPUTextureSampleType
+} from './WebGPUConstants.js';
+import { FloatType, IntType, UnsignedIntType } from 'three';
+
+class WebGPUBindingUtils {
+
+	constructor( backend ) {
+
+		this.backend = backend;
+
+	}
+
+	createBindingsLayout( bindings ) {
+
+		const backend = this.backend;
+		const device = backend.device;
+
+		const entries = [];
+
+		let index = 0;
+
+		for ( const binding of bindings ) {
+
+			const bindingGPU = {
+				binding: index ++,
+				visibility: binding.visibility
+			};
+
+			if ( binding.isUniformBuffer || binding.isStorageBuffer ) {
+
+				const buffer = {}; // GPUBufferBindingLayout
+
+				if ( binding.isStorageBuffer ) {
+
+					buffer.type = GPUBufferBindingType.Storage;
+
+				}
+
+				bindingGPU.buffer = buffer;
+
+			} else if ( binding.isSampler ) {
+
+				const sampler = {}; // GPUSamplerBindingLayout
+
+				if ( binding.texture.isDepthTexture ) {
+
+					if ( binding.texture.compareFunction !== null ) {
+
+						sampler.type = 'comparison';
+
+					}
+
+				}
+
+				bindingGPU.sampler = sampler;
+
+			} else if ( binding.isSampledTexture && binding.texture.isVideoTexture ) {
+
+				bindingGPU.externalTexture = {}; // GPUExternalTextureBindingLayout
+
+			} else if ( binding.isSampledTexture && binding.store ) {
+
+				const format = this.backend.get( binding.texture ).texture.format;
+
+				bindingGPU.storageTexture = { format }; // GPUStorageTextureBindingLayout
+
+			} else if ( binding.isSampledTexture ) {
+
+				const texture = {}; // GPUTextureBindingLayout
+
+				if ( binding.texture.isDepthTexture ) {
+
+					texture.sampleType = GPUTextureSampleType.Depth;
+
+				} else if ( binding.texture.isDataTexture ) {
+
+					const type = binding.texture.type;
+
+					if ( type === IntType ) {
+
+						texture.sampleType = GPUTextureSampleType.SInt;
+
+					} else if ( type === UnsignedIntType ) {
+
+						texture.sampleType = GPUTextureSampleType.UInt;
+
+					} else if ( type === FloatType ) {
+
+						// @TODO: Add support for this soon: backend.hasFeature( 'float32-filterable' )
+
+						texture.sampleType = GPUTextureSampleType.UnfilterableFloat;
+
+					}
+
+				}
+
+				if ( binding.isSampledCubeTexture ) {
+
+					texture.viewDimension = GPUTextureViewDimension.Cube;
+
+				} else if ( binding.texture.isDataArrayTexture ) {
+
+					texture.viewDimension = GPUTextureViewDimension.TwoDArray;
+
+				}
+
+				bindingGPU.texture = texture;
+
+			} else {
+
+				console.error( `WebGPUBindingUtils: Unsupported binding "${ binding }".` );
+
+			}
+
+			entries.push( bindingGPU );
+
+		}
+
+		return device.createBindGroupLayout( { entries } );
+
+	}
+
+	createBindings( bindings ) {
+
+		const backend = this.backend;
+		const bindingsData = backend.get( bindings );
+
+		// setup (static) binding layout and (dynamic) binding group
+
+		const bindLayoutGPU = this.createBindingsLayout( bindings );
+		const bindGroupGPU = this.createBindGroup( bindings, bindLayoutGPU );
+
+		bindingsData.layout = bindLayoutGPU;
+		bindingsData.group = bindGroupGPU;
+		bindingsData.bindings = bindings;
+
+	}
+
+	updateBinding( binding ) {
+
+		const backend = this.backend;
+		const device = backend.device;
+
+		const buffer = binding.buffer;
+		const bufferGPU = backend.get( binding ).buffer;
+
+		device.queue.writeBuffer( bufferGPU, 0, buffer, 0 );
+
+	}
+
+	createBindGroup( bindings, layoutGPU ) {
+
+		const backend = this.backend;
+		const device = backend.device;
+
+		let bindingPoint = 0;
+		const entriesGPU = [];
+
+		for ( const binding of bindings ) {
+
+			if ( binding.isUniformBuffer ) {
+
+				const bindingData = backend.get( binding );
+
+				if ( bindingData.buffer === undefined ) {
+
+					const byteLength = binding.byteLength;
+
+					const usage = GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST;
+
+					const bufferGPU = device.createBuffer( {
+						label: 'bindingBuffer_' + binding.name,
+						size: byteLength,
+						usage: usage
+					} );
+
+					bindingData.buffer = bufferGPU;
+
+				}
+
+				entriesGPU.push( { binding: bindingPoint, resource: { buffer: bindingData.buffer } } );
+
+			} else if ( binding.isStorageBuffer ) {
+
+				const bindingData = backend.get( binding );
+
+				if ( bindingData.buffer === undefined ) {
+
+					const attribute = binding.attribute;
+					//const usage = GPUBufferUsage.STORAGE | GPUBufferUsage.VERTEX | /*GPUBufferUsage.COPY_SRC |*/ GPUBufferUsage.COPY_DST;
+
+					//backend.attributeUtils.createAttribute( attribute, usage ); // @TODO: Move it to universal renderer
+
+					bindingData.buffer = backend.get( attribute ).buffer;
+
+				}
+
+				entriesGPU.push( { binding: bindingPoint, resource: { buffer: bindingData.buffer } } );
+
+			} else if ( binding.isSampler ) {
+
+				const textureGPU = backend.get( binding.texture );
+
+				entriesGPU.push( { binding: bindingPoint, resource: textureGPU.sampler } );
+
+			} else if ( binding.isSampledTexture ) {
+
+				const textureData = backend.get( binding.texture );
+
+				let dimensionViewGPU;
+
+				if ( binding.isSampledCubeTexture ) {
+
+					dimensionViewGPU = GPUTextureViewDimension.Cube;
+
+				} else if ( binding.texture.isDataArrayTexture ) {
+
+					dimensionViewGPU = GPUTextureViewDimension.TwoDArray;
+
+				} else {
+
+					dimensionViewGPU = GPUTextureViewDimension.TwoD;
+
+				}
+
+				let resourceGPU;
+
+				if ( textureData.externalTexture !== undefined ) {
+
+					resourceGPU = device.importExternalTexture( { source: textureData.externalTexture } );
+
+				} else {
+
+					const aspectGPU = GPUTextureAspect.All;
+
+					resourceGPU = textureData.texture.createView( { aspect: aspectGPU, dimension: dimensionViewGPU, mipLevelCount: binding.store ? 1 : textureData.mipLevelCount } );
+
+				}
+
+				entriesGPU.push( { binding: bindingPoint, resource: resourceGPU } );
+
+			}
+
+			bindingPoint ++;
+
+		}
+
+		return device.createBindGroup( {
+			layout: layoutGPU,
+			entries: entriesGPU
+		} );
+
+	}
+
+}
+
+export default WebGPUBindingUtils;