[Mesa-dev] [PATCH] llvmpipe: fix stencil bug if we have both stencil and depth tests

[Zack Rusin]

----- Original Message -----
> From: Roland Scheidegger <sroland at vmware.com>
> 
> This is a very well hidden bug found by accident (only the fixed glean
> tstencil2 test so far seems to hit it).
> We must use new mask with combined s_pass values and orig_mask values
> for zpass/zfail stencil ops, otherwise both the sfail op and one of
> zpass/zfail op are applied (probably not hit in most tests because
> some of the ops tend to be KEEP usually).
> 
> Note: this is a candidate for the 9.2 branch.

Looks good