Merge pull request #17626 from jbaicoianu/displacementmap-vUv-undefined-fix

Add displacementMap to list of texture attributes which cause vUv to be defined

src/renderers/webgl/WebGLPrograms.js

@@ -185,7 +185,7 @@ function WebGLPrograms( renderer, extensions, capabilities ) {
 
 			vertexTangents: ( material.normalMap && material.vertexTangents ),
 			vertexColors: material.vertexColors,
-			vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap,
+			vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || !! material.displacementMap,
 
 			fog: !! fog,
 			useFog: material.fog,