message: texture: don't mip integer textures
  Integer textures don't generally support automatic generation of mipmaps, so
  don't try to generate them.
  Fixes
diff: @@ -250,6 +250,7 @@ fn build_texture<W: Write>(dest: &mut W, ty: TextureType, dimensions: TextureDim
  let mipmap_default = match ty {
  TextureType::Compressed | TextureType::CompressedSrgb => "CompressedMipmapsOption::NoMipmap",
  + TextureType::Unsigned | TextureType::Integral => "MipmapsOption::NoMipmap",
  _ => "MipmapsOption::AutoGeneratedMipmaps",
  };
  