Bug 8064 - mesa fails to draw celestia ring shadows correctly with arb_vp path
Summary: mesa fails to draw celestia ring shadows correctly with arb_vp path
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Mesa core (show other bugs)
Version: git
Hardware: x86 (IA32) Linux (All)
: high normal
Assignee: mesa-dev
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Reported: 2006-08-29 11:07 UTC by Roland Scheidegger
Modified: 2009-08-24 12:24 UTC (History)
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Description Roland Scheidegger 2006-08-29 11:07:05 UTC 
Software mesa does not draw ring shadows correctly when the "dot3 arb_vp" path
of celestia is used (it is correct with the multitexture path).
celestia URL to illustrate the problem:
cel://Follow/Sol:Saturn/2004-07-05T19:30:03.15247?x=wD/HrUF01aaUDA&y=SqYVgMhcHkT//////////w&z=VcGc/MmuZR53/////////w&ow=0.790347&ox=0.223412&oy=0.532452&oz=0.204778&select=Sol:Saturn&fov=43.293781&ts=1.000000&ltd=0&rf=6023&lm=0
Picture how it should about look like:
http://www.lepp.cornell.edu/~seb/celestia/gallery-001c.html#5
Mesa just draws a thin line on the planet itself and no shadow on the ring here.
Tested with both linux-x86 and linux target.
Comment 1 Roland Scheidegger 2006-11-22 10:26:09 UTC 
whatever caused this, I can no longer reproduce it.
Comment 2 Adam Jackson 2009-08-24 12:24:17 UTC 
Mass version move, cvs -> git

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