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Please add support for dds file with BCn format in MP

Posted: Sun Aug 05, 2018 10:09 am
by cwcwyoon
I'm using XnView MP and it works really great in my computer. I love the program.
However, I got an issue about dds files recently. I used MP to view my dds files and it worked fine until I installed new games.
I play Skyrim of Bethesda, and it uses dds files in DXT format. And MP works fine on these files.
But later games like Skyrim Special Edition and Fallout 4 of Bethesda, they use dds files in BCn format(like BC1, BC5, BC7).
But these dds files are recognized using DXT format in MP, thus they look broken in the viewer window.
So if I want to view these images, I have to use another program like Photoshop with additional plugin. And they're not light as MP.
I don't want to install another program to just view these files. Please consider to add support for it. Thank you in advance.

Re: Please add support for dds file with BCn format in MP

Posted: Mon Aug 13, 2018 3:21 pm
by Magister
Actually, BC1=DXT1, BC2 = DXT3, BC3 = DXT5. What we need is support for the new BC7 format used in Skyrim SE, fallout 4, and presumably other games as well. it produces less compression artifacts than DXT5.

Please can you add support for this newer iterations of the DXT format? Thankyou.

EDIT: I have uploaded a normal map compressed in BC7 format. BC7 DDS textures open in Xnview but are displayed incorrectly and look like static (lots of small blocks of different colours).

Example File: https://mega.nz/#!FKoCEYpB!x4fmogmYCm2i ... el8oqexJqU

Re: Please add support for dds file with BCn format in MP

Posted: Fri Nov 30, 2018 9:35 am
by xnview
will be added in next version

Re: Please add support for dds file with BCn format in MP

Posted: Thu Jun 13, 2019 5:51 pm
by JakobT
Hi Pierre. Has this been implemented? I can't find any DXT or mip-mapping settings in v0.93.1.

Re: Please add support for dds file with BCn format in MP

Posted: Thu Jun 20, 2019 11:28 am
by xnview
JakobT wrote:
Thu Jun 13, 2019 5:51 pm
Hi Pierre. Has this been implemented? I can't find any DXT or mip-mapping settings in v0.93.1.
will be in next version

Re: Please add support for dds file with BCn format in MP

Posted: Mon Sep 16, 2019 9:20 am
by the_papy
hello
Pierre with for x-plane too, i think need Mp dxt5 with alpha channel inside the dds
Do you have update version?