[Bf-committers] Bringing anti-aliasing back by fixing selection method

[joe]

Explicitly disabling it in the selection draw functions seemed to work
well enough before, via glDisable(GL_ARB_MULTISELECT).

Joe

On Wed, Jan 13, 2010 at 8:32 AM, Damien Plisson <damien.plisson at yahoo.fr> wrote:
> Hi all,
>
> FSAA was breaking border/lasso select operations (e.g. orphan vertices were selected).
>
> FYI, The root cause for this issue is that as soon as FSAA is enabled at pixelformat level, even if not enabled afterwards, some color artifacts may appear in draw operations.
> This breaks the color coding selection method that is currently used in Blender for various selection tools like border, lasso, circle... when occlude geometry is enabled.
>
> To fix it, the color coding selection method has to be replaced, and this is what this patch does by implementing the occlusion query method for the border/lasso/circle selection tools:
>
> http://projects.blender.org/tracker/index.php?func=detail&aid=20660&group_id=9&atid=127
>
> I'm looking forward for your feedback / comments / suggestions...
>
> Damien
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