[Bug 78679] Gen4-5 code lost: runtime_check_aads_emit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78679

Iago Toral <itoral at igalia.com> changed:

           What    |Removed                     |Added
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  Attachment #99081|0                           |1
        is obsolete|                            |

--- Comment #4 from Iago Toral <itoral at igalia.com> ---
Created attachment 99498
  --> https://bugs.freedesktop.org/attachment.cgi?id=99498&action=edit
Sample program

This new version of the sample program does show a problem in IronLake.

Although the front face of the polygon (rendered in line mode) seems to be
fine, the back face of the polygon does not render properly. This program
showcases this by rotating the triangle to show both faces.

Interestingly, this problem only happens in the cases that activate the
runtime_check_aads_emit flag (line antialiasing + one polygon face in line
mode), however, I also tested this example with a checkout from before the
commit mentioned in the bug report that still had the old code and the problem
persists, so this issue has always existed in IronLake.

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