On 14 December 2011 13:42, Marek Olšák <mar...@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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