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 Post subject: SOA graphic assets
PostPosted: Mon Jul 16, 2018 12:21 am 
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Hello there,

I'm trying to figure out how to read the image encoding used for Star Ocean Anamnesis graphic assets. I found out that it's a variant of ETC2 RGBA but I can't seem to display it properly with PVRTexTool.

Could I get some input on how to improve the rendering or how to determine the exact compression used? Thanks in advance!

A small sample is included in this post.


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 Post subject: Re: SOA graphic assets
PostPosted: Sun Jul 22, 2018 8:52 am 
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it is difficult to get accurate results from only one sample. what did your results look like?
i am not familiar with the graphics of this game, does this look correct to you? :]

i entered 512 wide by 1024 tall with ETC2 rgba and header size 768 bytes in PVRTextool to get that.
i scaled it down by 50 percent so it will fit in the attachment,
it looks like some shuffling or something is needed to me to remove the scanlines. (:


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 Post subject: Re: SOA graphic assets
PostPosted: Sun Jul 22, 2018 9:25 am 
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Hello Ace,

Thanks for offering your help again :)
And yes, it does look good. That's the result I was able to get but I'm unable to remove the scanlines. I'm able to get all images after figuring out their size, but the scanlines are present in all of them.

How would one go about removing them?

I've included one more samples in case it can be of help to you.


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