ComputeSphereVisibility: a patch

paulo lesgaz jeremielapuree at
Sat Nov 15 13:11:38 CST 2008


can anyone test the the following tests in a windows box, please?
The option to be given at the executable is  d3d.

Thanks in advance


--- En date de : Sam 15.11.08, Frank Richter <frank.richter at> a écrit :
De: Frank Richter <frank.richter at>
Objet: Re: ComputeSphereVisibility: a patch
À: "paulo lesgaz" <jeremielapuree at>
Cc: wine-devel at
Date: Samedi 15 Novembre 2008, 19h14

On 14.11.2008 20:27, paulo lesgaz wrote:
> Hi,
> here is a patch for a first try to implement ComputeSphereVisibility.
> Any feedback is welcome.

I think you can simplify the sphere-plane intersection. Just compute the
signed distance D of the sphere center from the plane. If D > r, the
sphere is visible. If -r <= D <= r, the sphere is partially visible. if
D < -r, it's invisible.

Also, wine people like tests. You should probably add some.


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