WebGPURenderer: Support Filterable Float32 Textures in WebGPU (#29175)

src/renderers/webgpu/nodes/WGSLNodeBuilder.js

@@ -267,7 +267,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 	isUnfilterable( texture ) {
 
-		return this.getComponentTypeFromTexture( texture ) !== 'float' || ( texture.isDataTexture === true && texture.type === FloatType ) || texture.isMultisampleRenderTargetTexture === true;
+		return this.getComponentTypeFromTexture( texture ) !== 'float' || ( ! this.isAvailable( 'float32Filterable' ) && texture.isDataTexture === true && texture.type === FloatType ) || texture.isMultisampleRenderTargetTexture === true;
 
 	}
 

src/renderers/webgpu/utils/WebGPUBindingUtils.js

@@ -96,9 +96,15 @@ class WebGPUBindingUtils {
 
 					} else if ( type === FloatType ) {
 
-						// @TODO: Add support for this soon: backend.hasFeature( 'float32-filterable' )
+						if ( this.backend.hasFeature( 'float32-filterable' ) ) {
 
-						texture.sampleType = GPUTextureSampleType.UnfilterableFloat;
+							texture.sampleType = GPUTextureSampleType.Float;
+
+						} else {
+
+							texture.sampleType = GPUTextureSampleType.UnfilterableFloat;
+
+						}
 
 					}