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Artefacts in DXT1 textures #6

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. Load the attached image in Gimp
2. Save a copy of the image as DDS
3. Select DXT1, check generate mipmaps, leave other options to default.

What is the expected output? What do you see instead?
I except a smooth gradient (of course with some DXT artefacts). I get some 
random-colored pixels. When I use the Microsoft DirectX texture tool, the 
gradient is very nice. I got the same result using DXT3 too.

What version of the product are you using? On what operating system?
Latest (version 2.0.9) in Gimp 2.6.8 on Windows 7 64-bit.

Please provide any additional information below.

Original issue reported on code.google.com by bleubl...@hotmail.com on 17 Mar 2011 at 2:47

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GoogleCodeExporter commented 8 years ago 
I will be focusing on compression quality in the future.  For now, I found that 
using a different color selection method in the advanced options can help.

Original comment by ski...@gmail.com on 26 Jun 2012 at 7:25

GoogleCodeExporter commented 8 years ago 
[deleted comment]
GoogleCodeExporter commented 8 years ago 
The new compression code introduced in revision r184 fixes this issue.

Original comment by ski...@gmail.com on 14 Jul 2012 at 12:44