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Re: Panel bmaps - non-power-of-2 compatibility? [Re: HeelX] #65260
03/17/06 12:20
03/17/06 12:20
Joined: Oct 2003
Posts: 4,131
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Matt_Aufderheide Offline
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Matt_Aufderheide  Offline
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Joined: Oct 2003
Posts: 4,131
Quote:

No. I was wrong the same way some weeks ago, because I thought this, too. All 3D cards require power of 2 texture sizes (32, 64, 128, 256...) ..Never use a non-power-of-2 texture size for models or levels.




Actually this is innaccurate. Most newer video cards, since at least full DX8 compliance, have some support for non-power of 2 textures. There are however often some restrictions still.. such as mip-map generation.


Sphere Engine--the premier A6 graphics plugin.
Re: Panel bmaps - non-power-of-2 compatibility? [Re: Matt_Aufderheide] #65261
03/17/06 21:45
03/17/06 21:45
Joined: Jul 2001
Posts: 6,904
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HeelX Offline
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HeelX  Offline
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Joined: Jul 2001
Posts: 6,904
When 1 of 500 installed graphics cards support non power of 2 bitmaps stored on the graphics card memory, why should I do my game that way?

Re: Panel bmaps - non-power-of-2 compatibility? [Re: HeelX] #65262
03/17/06 22:00
03/17/06 22:00
Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
ulillillia Offline OP
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ulillillia  Offline OP
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Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
1 of 500? My Radeon 7000 and Radeon 9600 XT cards both support non-power-of-2 textures such as 48x48. I'm not referring to screwballs like 367x73 or 1722x894, I'm referring to bi-level values where it takes two powers of 2 to get the image size (like 48x48).


"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip My 2D game - release on Jun 13th; My tutorials
Re: Panel bmaps - non-power-of-2 compatibility? [Re: ulillillia] #65263
03/20/06 10:19
03/20/06 10:19
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Posts: 4,131
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Matt_Aufderheide Offline
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Matt_Aufderheide  Offline
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Quote:

When 1 of 500 installed graphics cards support non power of 2



?? where did you get this figure? I just said that most newer (since DX8) cards have some non-power-of 2 support. This means Radeons like Ulliai mentioned ansd so on.

The point is not that you SHOULD use non-powers of two, but that you will be able to if the enigne would support it.


Sphere Engine--the premier A6 graphics plugin.
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