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»Forums Index »Halo Custom Edition (Bungie/Gearbox) »Halo CE Technical / Map Design »Bitmap with greater than 1-bit alpha being compressed as DXT1 ... rawr

Author Topic: Bitmap with greater than 1-bit alpha being compressed as DXT1 ... rawr (4 messages, Page 1 of 1)
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sanni
Joined: Aug 11, 2011

cake <3


Posted: Aug 10, 2016 11:14 AM    Msg. 1 of 4       
We need your help, Starfox!



Everytime I try to convert this image into a bitmap Tool.exe gives me an alpha channel error .-.

No not the Starfox image ... this one.

The exact error message is:
==> !!WARNING!! bitmap with greater than 1-bit alpha being compressed as DXT1 <==
bitmap created: #512x#256, compressed with color-key transparency, 85K-bytes

So the problem seems that tool tries to save the image as "compressed with color-key transparency" but what I need is "true-color with alpha".
Because the DXT1 compression only allows 1-bit alpha channels but my image has an 8-bit alpha channel. So no compression no problem. At least that is how I understand it :S

Could someone please beat up their Tool.exe until it spits out a bloody bitmap file, thanks a lot



Edit: Well now that I wrote down what I need to do I actually figured it out, you can simply use guerilla to change the transparency. XD



Any tips on how to make the sun look a little bit more real?
Edited by sanni on Aug 10, 2016 at 05:38 PM


altis94
Joined: Oct 5, 2012

What doesn't ban me makes me stronger


Posted: Aug 11, 2016 06:56 AM    Msg. 2 of 4       
You should try making the rest of the sky orange-ish.


JerryBrick
Joined: Mar 15, 2017

hoyoyo


Posted: Mar 15, 2017 05:16 PM    Msg. 3 of 4       
Please can you tell me how you solved the problem with transparency?


SBB_Michelle
Joined: Nov 4, 2015

I am me!


Posted: Mar 15, 2017 11:38 PM    Msg. 4 of 4       
You can fix this issue by going to the bitmap tag you created and setting the format to something that has an alpha, like interpolated alpha.

 

 
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