添加关照、全局等高线、修改图层问题

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

@@ -0,0 +1,93 @@
+import { GPUPrimitiveTopology, GPUTextureFormat } from './WebGPUConstants.js';
+
+class WebGPUUtils {
+
+	constructor( backend ) {
+
+		this.backend = backend;
+
+	}
+
+	getCurrentDepthStencilFormat( renderContext ) {
+
+		let format;
+
+		if ( renderContext.depthTexture !== null ) {
+
+			format = this.getTextureFormatGPU( renderContext.depthTexture );
+
+		} else if ( renderContext.depth && renderContext.stencil ) {
+
+			format = GPUTextureFormat.Depth24PlusStencil8;
+
+		} else if ( renderContext.depth ) {
+
+			format = GPUTextureFormat.Depth24Plus;
+
+		}
+
+		return format;
+
+	}
+
+	getTextureFormatGPU( texture ) {
+
+		return this.backend.get( texture ).texture.format;
+
+	}
+
+	getCurrentColorFormat( renderContext ) {
+
+		let format;
+
+		if ( renderContext.textures !== null ) {
+
+			format = this.getTextureFormatGPU( renderContext.textures[ 0 ] );
+
+
+		} else {
+
+			format = GPUTextureFormat.BGRA8Unorm; // default context format
+
+		}
+
+		return format;
+
+	}
+
+	getCurrentColorSpace( renderContext ) {
+
+		if ( renderContext.textures !== null ) {
+
+			return renderContext.textures[ 0 ].colorSpace;
+
+		}
+
+		return this.backend.renderer.outputColorSpace;
+
+	}
+
+	getPrimitiveTopology( object, material ) {
+
+		if ( object.isPoints ) return GPUPrimitiveTopology.PointList;
+		else if ( object.isLineSegments || ( object.isMesh && material.wireframe === true ) ) return GPUPrimitiveTopology.LineList;
+		else if ( object.isLine ) return GPUPrimitiveTopology.LineStrip;
+		else if ( object.isMesh ) return GPUPrimitiveTopology.TriangleList;
+
+	}
+
+	getSampleCount( renderContext ) {
+
+		if ( renderContext.textures !== null ) {
+
+			return renderContext.sampleCount;
+
+		}
+
+		return this.backend.parameters.sampleCount;
+
+	}
+
+}
+
+export default WebGPUUtils;