Re: [PATCH 0/2] MR224: tests: Test coarse and fine derivates and demand less precision from ddx() and ddy().

[Zebediah Figura (＠zfigura)]

Zebediah Figura (@zfigura) commented about tests/ddxddy.shader_test:
> +% NOTE: Only allowed from shader model ps_2_1
> +[require]
> +shader model >= 4.0

That would be unfortunate, do we really need this?