Weird problem with textures in Software rendering. (Zdoom and PrBoom)

Which texture set are you using? At first glance it looks like a non-power of 2 texture tiling issue.

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Are you using an old version of ZDBSP, perchance? It used to have a bug that'd screw up alignments in ports that don't disregard the alignment data on segs.

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I'm using the one that came with Doom Builder 2 (2.1.2.1553) Should I change it?

EDIT: I should mention that since I got Doom Builder 2 I've never changed the default nodebuilder configuration, so it's ZenNode for boom maps

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GreyGhost said:

Which texture set are you using? At first glance it looks like a non-power of 2 texture tiling issue.

But it's a problem that had been fixed in PrBoom long ago; and that has been fixed in ZDoom more recently -- it definitely wouldn't happen in ZDoom r3875.

esselfortium said:

Are you using an old version of ZDBSP, perchance? It used to have a bug that'd screw up alignments in ports that don't disregard the alignment data on segs.

Even if it were the case, that wouldn't have affected ZDoom.

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Gez said:

But it's a problem that had been fixed in PrBoom long ago

Are you sure? I've seen it in Prboom-plus 2.5.1.4 (software mode) like two months ago.

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So is there a way to fix this? Or should I use a hardware accelerated port?

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If your textures are 56x56, don't tile them - or re-composite the textures so they have power of 2 dimensions (64x64 or 64x128).

Gez said:

But it's a problem that had been fixed in PrBoom long ago; and that has been fixed in ZDoom more recently -- it definitely wouldn't happen in ZDoom r3875.

Try this test map I threw together, the problem's still very much in evidence in PrBoom_plus 2.5.1.3 and ZDoom r3794 though I had to deliberately use oddball texture sizes.

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GreyGhost said:

If your textures are 56x56, don't tile them - or re-composite the textures so they have power of 2 dimensions (64x64 or 64x128)...


Yeah I changed the textures for ones with standard Doom dimensions and now it looks just fine.

PrBoom
http://i.imgur.com/1WzKT.png

ZDoom
http://i.imgur.com/WjCcH.png

I'm curious though, why do that bug occurs?

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