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Topic: Skybox Image Size Problem



  
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   Skybox Image Size Problem
 Poster : billt
 Posts: 1
 Country : USA
 City: Edison

  
Posted by billt on 18/12/2006 at 10:02:59
After compiling Skybox tutorial unit, I got device unhandle exception problem, complainning the Skybox image size 384x384 is not power of 2's.
Please help me what I have to do.
Thanks!
 Poster : BlueG
 Posts: 21
 Country : United States
 City:

  
Posted by BlueG on 18/12/2006 at 10:18:18
Some graphics cards don't like images that aren't a power of two in size (64x64, 128x128, 256x256, 512x512, etc.).

I haven't looked through all of Reimer's tutorials but you can probably just take the image files and scale them up to a resolution such as 512x512 using a paint program that supports the resizing of images. Texture coordinates work on a scale of 0.0 to 1.0 regardless of the texture size, so unless he's doing something else with the texture in that tutorial, then that should work.
 Poster : riemer
 Posts: 1392
 Country : Belgium
 City: Antwerp

  
Posted by riemer on 18/12/2006 at 14:24:35
That's right, I still need to replace the images by the resized versions.

MDX allowed you to use textures of any size, XNA indeed requires you to use textures with sizes that are powers of 2. XBox360 compatibility requires this, I guess.

I'll upload the correct images tomorrow, I have them on my pc at work ;)
 Poster : Anonymous
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Posted by Anonymous on 27/06/2008 at 04:43:43
How to scale the skybox?
 Poster : haxpor
 Posts: 19
 Country :
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Posted by haxpor on 25/10/2008 at 09:03:37
Just multiply the worldMatrix in the DrawSkyBox() method with the scale matrix.

  
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