[Mesa-dev] [PATCH 0/5] R600, GCN: Guard Band support

[Marek Olšák]

On Mon, Apr 11, 2016 at 7:23 AM,  <eocallaghan at alterapraxis.com> wrote:
> I didn't see anything obviously wrong so,
>
> Reviewed-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
>
> But I have some general questions about guard band, not sure if this is the
> right place but I'll just ask any way:
> From my somewhat naive understanding guard band can lead to small gaps
> between polygons. In this implementation what exactly happens when on the
> screen bounds as clipped triangle could wind up with different edge slopes?
> Does this clip to the guard band edge or does it clip to the screen edge and
> if so what is the pixel cost on SI with that?

I have no idea what you mean. See the #dri-devel discussion from yesterday.

Marek