Created attachment 80739 [details] [review]
Force max tex size of 8

Does this patch help ?
I assumed a max tex clause size of 16 for anything from HD4000 using mesa
classic backend as reference, but apparently the hw cannot support more than 8
instructions in a tex clause.
On the other hand I don't think that classic backend create clauses that big,
so it may be the reason this wrong limit was unspotted.