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Shadow Tutorial Speed

Started by Ozz Nov 27, 2000 at 1:21 PM 2 replies 400+ views

Original Post

Nov 27, 2000 at 1:21 PM

I was wondering what FPS other people are getting out of NeHes'' shadow tutorial, I`m only getting about 4fps on a: - P3-600 - 128mb RAM - 32MB TNT2 (Latest Drivers)

zedzeek

Nov 27, 2000 at 3:19 PM

quite often shadow stuff requires a stencilbuffer. and the tnt2 only has a hardware accelerated stencil in 32bit colour. with 16bit u get software

http://members.xoom.com/myBollux

Nyko

Nov 27, 2000 at 9:12 PM

Ozz:

Make sure, if you are running it in a window, that your desktop is set to 32bit color, or it will run slow. I assume it kick it back to software rendering like Zedzeek said. I tested it on my son''s computer ( AMD K6-2 300, 64MB EDO, 16MB TNT ) and it ran decently.

Take Care,

Nyko

brettporter

Nov 28, 2000 at 5:12 PM

Ah, don''t know why I didn''t realise this sooner!

I listed at the bottom of the tutorial that it didn''t seem to work in windowed mode on my TNT2.

For some unknown bloody reason, I had set my desktop to 16-bit recently (which I never do). Now that I have it at 32-bit, windowed mode works

I''ll let Jeff know, and he can amend the end of the tutorial.

~~~
Cheers!
Brett Porter
PortaLib3D : A portable 3D game/demo libary for OpenGL
http://www.geocities.com/brettporter/programming

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