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Texture Formats

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I am using D3DXCreateTextureFromFileEx to load my textures. I saved the textures as 8 bit color indexed TGAs and then specified the loading format as D3DFMT_UNKNOWN so the function would auto detect and set the appropriate format. According to the D3DSURFACE_DESC returned by the texture though, everything was loaded with the D3DFMT_A8R8G8B8 format. I tried forcing the D3DFMT_P8 and at least got the textures to load as D3DFMT_R5G6B5. So what am I doing wrong? What I want is 8 bit paletized data, or any other form of 8 bit data. How do I get it?

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Make sure you are not passing in NULL for the pPalette parameter. Without it, D3DXCreateTextureFromFileEx will always depaletteize your image, since it has no way to return the palette.

xyzzy

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Does your graphics chip support palettised textures? Some don''t!

Check the caps/device format before assuming your hardware can do it.

--
Simon O''Connor
Creative Asylum Ltd
www.creative-asylum.com

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