st/glsl_to_nir: delay adding built-in uniforms to Parameters list

Delaying adding built-in uniforms until after we convert to NIR
gives us a better chance to optimise them away. Also NIR allows
us to iterate over the uniforms directly so should be faster.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
2 files changed