[Mesa-dev] [PATCH 1/2] mesa: Set the correct ctx->NewState bitfield for rasterizer discard.

[Paul Berry]

On 14 December 2011 13:42, Marek Olšák <maraeo at gmail.com> wrote:

> I think RASTERIZER_DISCARD has nothing to do with transform feedback.
> I think it's part of the same spec because it's not useful without it.
> As I understand it, _NEW_TRANSFORM_FEEDBACK is dirty when transform
> feedback buffer bindings are changed or just enabled/disabled. On the
> other hand, RASTERIZER_DISCARD enables or disables the rasterizer, so
> it should fall into the same category as face culling for example. (I
> even implemented it using face culling on r600)
>

Another thought which just came up in a discussion: in i965, face culling
only applies to triangles, so this wouldn't work for discarding points and
lines.  Is it possible that the same situation applies to r600?
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