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Alpha Blending

D

DKD777

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benin
Hello,

I am working on a flight sim project which requires access to an AGP port. I constructed a platform which includes a new ATI HD4650 Video card. With the ATI drivers in D3D, I get these blue texture borders:

BlueTerrainbad.jpg


If I understand it correctly, it is color keying as alpha blending with linear texture filtering. The blue lines occur because, halfway between a transparent and an opaque pixel, the transparency is interpolated to 50 %, but the pixel color is also interpolated 50 % between the opaque color and the color key (which, in this case, is blue).

Do any of yow can I fix this? Is their a registry edit?

Thanks!
 
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