I might suggest you try turning off rectangular textures (i.e.
@rectangle 0). This will use power of two textures, which might be
required for point sprites on your HW. This difference in rectangular
vs power of two textures is the big difference between the default
jit.gl.render textures (for legacy purposes), and the default
Let us know if that doesn't solve your problems and we can look into
your patch further.