evtuhv

Hello everyone

I am using the GetRepackedSkin method to repackage skins at runtime. Our game is aimed at mobile platforms and we need to use TextureFormat to reduce the size of the textures.

When I use GetRepackedSkin on textures with a custom TextureFormat, I end up with a broken texture. I did a little investigation and there is a result:

1. When I pass a skin with a TextureFormat.PVRTC_RGBA4 to GetRepackedSkin, an exception appears in the console:
Graphics.CopyTexture can only copy memory with the same size (src=24128 bytes dst=3016 bytes), maybe the size (src=232 * 208 dst=29 * 26) or format (src=RGBA Compressed PVRTC 4BPP UNorm dst=RGBA8 UNorm) are not compatible
Screenshot 2021-11-01 at 11.00.30.png


2. When I pass a skin with a TextureFormat.PVRTC_RGBA4 to GetRepackedSkin and set textureFormat parameter to TextureFormat.PVRTC_RGBA4 I get a broken texture:
Screenshot 2021-11-01 at 11.12.55.png


I also saw that the resulting texture does not have the TextureFormat that I was passing. I will be glad for any help.

Best regards,
Vitaly
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evtuhv
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Harald

You cannot use texture compression with repacking unfortunately. This is also documented in the list of common causes for repacking to fail on the spine-unity docs pages here (section Runtime Repacking, Important Note). Please always have a look at these documentation pages first.
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Harald

Harri
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