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https://bugs.freedesktop.org/show_bug.cgi?id=9710
Summary: Support glPolygonOffset in core Mesa
Product: Mesa
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P2
Component: Mesa core
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: [EMAIL PROTECTED]
After a discussion on #dri-devel about glPolygonOffset for R300 I'm filing an
enhancement request.
I was talking with aet and idr about this, and R300 must implement
glPolygonOffset via a fragment program; or rather, modifying the existing
fragment program. The thinking was that other hardware would be similar so this
belongs in core Mesa, probably in texenvprogram.c.
17:22:56 <+idr> z3ro, aet: We just need a context flag so that the driver can
tell core that fragprogs need to track polygon offset state. 17:23:17 <+idr>
z3ro, aet: My suggestion would be to file an enhancement bug for it. 17:23:33
<+idr> z3ro, aet: I'm sure either Brian or keithw will have some implementation
suggestions.
I guess all that needs to be done is adding the value to result.depth when
glPolygonOffset is enabled; I don't really know the details, I'm just filing the
enhancement request.
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