message: Assert that texture coords are normalized on CPU
diff: @@ -30,6 +30,8 @@ inline auto tex1D(Tex const& tex, FloatT const& coord)
  {
  static_assert(Tex::dimensions == 1, "Incompatible texture type");
  + assert(tex.get_normalized_coords() && "Unnormalized coordinates on CPU not implemented yet");
  +
  return detail::tex1D( tex, coord );
  }
  @@ -40,6 +42,8 @@ inline auto tex2D(Tex const& tex, vector<2, FloatT> const& coord)
  {
  static_assert(Tex::dimensions == 2, "Incompatible texture type");
  + assert(tex.get_normalized_coords() && "Unnormalized coordinates on CPU not implemented yet");
  +
  return detail::tex2D( tex, coord );
  }
  @@ -50,6 +54,8 @@ inline auto tex3D(Tex const& tex, vector<3, FloatT> const& coord)
  {
  static_assert(Tex::dimensions == 3, "Incompatible texture type");
  + assert(tex.get_normalized_coords() && "Unnormalized coordinates on CPU not implemented yet");
  +
  return detail::tex3D( tex, coord );
  }
  