Re: WineD3D: rhw vertex fixup

[H. Verbeet]

On 09/05/06, Stefan Dösinger <stefan(a)codeweavers.com> wrote:
> DrawStridedSlow checks if the rhw value of a vertex is close to zero, to avoid
> passing opengl an INF value from a divide by zero. This is done by checking
> if the rhw value is in the interval ]-0.0001; 0.0001[ .
> What happens in drawStridedFast?

WineD3D: rhw vertex fixup

[Stefan Dösinger]

Am Dienstag, 9. Mai 2006 18:22 schrieb H. Verbeet:
> On 09/05/06, Stefan Dösinger <stefan(a)codeweavers.com> wrote:
> > DrawStridedSlow checks if the rhw value of a vertex is close to zero, to
> > avoid passing opengl an INF value from a divide by zero. This is done by
> > checking if the rhw value is in the interval ]-0.0001; 0.0001[ .
>
> What happens in drawStridedFast?
> Hmm. good question.

Looks like it ignores the rhw value completely. I don't think this is really 
correct. I guess it's another case for vertex fixups.

Stefan