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obj loader -> graphical glitch

This is a discussion on obj loader -> graphical glitch within the PSP Development Forum forums, part of the PSP Development, Hacks, and Homebrew category; Hi folks o/ I made a .obj loader so I can load 3d models. Cause I'm lazy I used Lesson ...

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Old 10-03-2006, 09:29 AM   #1

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Default obj loader -> graphical glitch

Hi folks o/
I made a .obj loader so I can load 3d models.
Cause I'm lazy I used Lesson 05 from the ported Nehe tutorials to see if my loader works fine.
On native 1.5 the output looks like this:



At first I thought I messed up the obj loading part.. :/

Then I tried the same eboot with devhook on 2.6 via tiff eloader 0.98:



Now that is very weird, on 1.5 its all messed up and on 2.6 it looks just fine (vertice positions ok, uv mapping ok) ?!
same eboot, different result
The only difference about the original Lesson 5 code is that I load the vertex informations from a file instead being hardcoded in the source.
(the original Lesson 5 eboot doesn't show this graphical glitch)

But that wasn't enough:
I used IR Shell to take screenshots of this behaviour on 1.5, well after I took the first screenshot the graphical glitches were gone ?!
So after a screenshot it looks like it should be...
Am I missing something?!
If someone is interested you can find the eboot here
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Old 10-03-2006, 09:41 AM   #2
 

 
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ill try it now
-= Double Post =-
works perfect on my 1.5
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Last edited by genaga; 10-03-2006 at 09:41 AM.. Reason: Automerged Doublepost
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Old 10-03-2006, 09:54 AM   #3
 
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i just think that you got a bad startup try taking your battery out and put it in again.
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Old 10-03-2006, 10:52 AM   #4

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Ok I fixed it now
Loaded the obj after sceKernelDcacheWritebackA ll();
Should be the other way around
My next goal is to use my pcx class for the uvwmap instead of the tga class provided by the tutorial
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