metallic_roughness_map
TextureId metallic_roughness_map = INVALID_TEXTUREDescription
Packed metallic-roughness: G = roughness, B = metallic (glTF order).
metallic_roughness_mapTextureId metallic_roughness_map = INVALID_TEXTUREPacked metallic-roughness: G = roughness, B = metallic (glTF order).