iris: Implementation ARB_indirect_parameters
I have one doubt code type cast.
I don't know what I should do with const struct pipe_draw_info *
I don't know the best solution for my case: I have to change data into pipe_draw_info
and this data isn't created as const, so I can cast it to mutable.
Also I will add comments in several places.
Edited by Illia Iorin