Humus - Comments

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Query Failedvaloh
Friday, April 9, 2004

for existing sh demos see:
http://www.paulsprojects.net/opengl/sh/sh.html
http://www.donw.co.uk/
and the directx9 sdk (summer update)

btw: in the gritty details papers the recurrence relation for sh rotation in the appendix is wrong. But with the demo at www.donw.co.uk comes rotation code which uses the ( almost? ) correct version. Implementing the general sh rotation is really a pain in the ass...

serus
Friday, April 9, 2004

Have a look here http://www.research.scea.com/gdc2003/spherical-harmonic-lighting.html

Darren
Friday, April 9, 2004

Thanks Humus. I got it to work. The Demo is amazing

Mistobaan
Friday, April 9, 2004

;D

Humus
Friday, April 9, 2004

Thanks for all suggestions. My list of demo ideas is filling up.

Regarding spherical harmonics, I've been thinking of learning that technique, it seems very cool. However, I haven't found any good resource that explains it in a clear and straightforward way. Anyone have a good link?

Darren,
you need relatively new drivers and you need to do a registry hack.
[HKEY_LOCAL_MACHINE\SOFTWARE\NVIDIA Corporation\Global\OpenGL\Debug]"ShaderObjects"=dword:00000001

Darren
Friday, April 9, 2004

The Fire Demo Looks amazing, but I'm having a problem running it on my computer. My current Nvidia driver does not have GLSL support and I was wondering if anyone knew what version of the Nvidia drivers supports GLSL.

Eric
Thursday, April 8, 2004

Would be nice to see an demo using "Radiosity Normal Mapping" ala Half-Life 2. (http://www.atitech.com/developer/gdc/D3DTutorial10_Half-Life2_Shading.pdf)

Otherwise, excellent demos. Keep it up.

valoh
Thursday, April 8, 2004

Yeah, spherical harmonics are hip at present.

Or, look into the ati and nvidia papers/slides from the gdc2004. There are some nice ideas. Especially the light shafts thing from ati rocks!

Well and if this is too boring for you do some integration work. Haven't looked in you framework, but how about some unification? Demos as loadable plugins? Combining of some demos to something usefull


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