Hi Everyone browsing this thread.
I just downoaded Catalyst 10.8 for Windows. Its a pleasure to report that
problems (broken TexMat & base Textures) with osgShadow example on recent
Catalyst versions 10.4-10.7 seem to be fixed on 10.8. Thats the way to go
AMD ;-). I tested on OSG trunk 32 bit / Windows 7 64 bit / Radeon 5980 .
Wojtek
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From: "Bradley Baker Searles" <[email protected]>
Sent: Wednesday, August 04, 2010 6:13 PM
To: <[email protected]>
Subject: Re: [osg-users] StandardShadowMap on ATI
Hi Wojtek,
Ahh, good catch with the improper derivation! :) Thank you. I'm
attaching the corrected st.h file.
I just tried to get the osgShadow example working (-4 --lispsm), and it
didn't work with any of the workarounds that I'd used in my code (not
using variables to index light sources, don't use derived light values
such as gl_FrontLightModelProduct, skip empty program add, etc).
Now the standard LispSM does its lighting in the vertex shader, and all of
my Programs do their lighting in the fragment programs... so there may be
additional tricks for vert shaders that I'm not yet aware of?
I haven't tried any of the other techniques yet, but perhaps I'll see if
those can be patched up. But... even if we could patch them, the fixes
are ugly enough that I don't think they'd belong in the osg source.
Perhaps I should post some of these issues on the ATI forums.
Thank you!
Baker
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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=30533#30533
Attachments:
http://forum.openscenegraph.org//files/st_191.h
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