ae47af50d6
The lowering is incompatible with how the radeonsi backend works. Fixes piglit test: ./bin/arb_shader_draw_parameters-basevertex vertexid-zerobased -auto Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com>