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FSXA Texture formatting weirdness

Heretic

Resource contributor
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germany
The texture:

- 64*64px
- Unicolor (blueish)
- Simple alpha channel (nearly black)


The "issue":

When formatting the texture to DXT5 .bmp, the transparency does not work; upon leaving it in 32 bit .bmp format the transparency works flawlessly.
Every other transparent material used in the aircraft works without a hitch in DXT5 .bmp format.

The world wonders... :confused:
 
FS9? FS9 doesn't know dxt5, have to use dxt3, or 32-888.
 
Oh. Totally forgot to mention the sim...

FSX, of course.

If it had been FS9, the other DXT5 textures wouldn't have worked either. ;) :D
 
Hi,

That's weird. Can you maybe attach the image so we can take a look?
 
Hi Bjoern,

Interesting, when I load this texture (both in ImageTool and in the texture tool of ModelConverterX) it shows there is no alpha channel in it. So it seems while exporting to DDS somehow the alpha channel got lost.
 
Oh dear! What program are you using to 'convert' the texture? DXTBMP.exe will not read the Alpha channel of a .psd file.

Convert to Targa 32 bit (.tga), then use DXTBMP.exe to load the .tga and export as DDS/DXT5 format.

Alternatively, use the nVidia plugin to save directly from Photoshop.

Or, use ImageTool to read/convert the .psd file.
 
Hi Bjoern,

Interesting, when I load this texture (both in ImageTool and in the texture tool of ModelConverterX) it shows there is no alpha channel in it. So it seems while exporting to DDS somehow the alpha channel got lost.

a) I didn't export to .dds. The file is/was a .bmp all along.

b) Imagetool shows the black alpha channel correctly. :confused:




The texture was created in GIMP, then exported as 32bit .bmp and finally converted to DXT5 with ImageTool (from the SP2 SDK).

I'm long done with the cumbersome DXTBMP. ;)
 
Hi,

Sorry, where I wrote dds I meant bmp of course.

Although imagetool shows a black alpha channel, it also mentions no alpha in the information.

Is your alpha completely black? Having a fully transparent texture does not work I think. Dark grey should be ok.
 
Ha! A 1,1,1 alpha worked!

But why didn't FSX complain in the first place? :confused:
Whack piece of software...:rolleyes: :D
 
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