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[B3 Bug] Parallax Mapping results in bizarrely-warped textures

by Henry Todd · in Torque 3D Professional · 06/26/2009 (7:40 pm) · 23 replies

**Heavily edited post. See the replies for more details. The effect in question is represented in this video:

www.youtube.com/watch?v=DmMpmQt1uwg

As you can see, the normal map is being ignored when applying the parallax offset; the texture is being lifted as though every height value in the normals is 100%.

nVidia 285 series card.
Intel Core 2 Quad CPU
4 GB RAM
Windows XP x64

I'd be interested to know if others experiencing this are running a 64-bit OS, as this was also the case for the only person who confirmed so far.
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Associate Tom Spilman
Sickhead Games
#21
07/01/2009 (6:19 pm)
@Bryan - There is no "hardware accelerated compression" other than DDS. The engine does not DDS files at load time because it can be a very slow process. I'm not familiar with what OGL is doing there... but i suspect its not what you think its doing.

If your not using DDS... your wasting at least 3/4 of your video memory.

Torque Owner Hewster
Hewsoft
#22
07/06/2009 (1:54 pm)
I've just been researching DDS, and found this article on gamasutra
www.gamasutra.com/features/20051228/sherrod_01.shtml

They seem to suggest using 3Dc as the compression format for normal maps,
is there any reason I should not use this for T3D ?

Torque Owner Hewster
Hewsoft
#23
07/06/2009 (2:18 pm)
It seems I can answer my own question, since I just tried using 3Dc
compression, and T3D told me:

"Invalid compression texture format, we only support DXT1-5 right now"

So new question.. will T3D support 3Dc in the future, from the above
article, it would seem the ideal format for normal maps.

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