Keith Whitwell wrote:
It's a little weird, that's for sure. There's a big comment in mgacontext.h that explains what I did and how it could possibly be improved in the future. Basically it works like this. On the G200 there were 5 pointer that were used to point to the individual mipmaps. On G400, those same 5 pointers are still there, but by setting a bit in one of the pointers the next pointer will be used as an offset to the rest of the mipmaps. I just always set that magic bit in the first pointer and the next pointer tells the hardware where all the rest of the mipmaps are.Ian Romanick wrote:CVSROOT: /cvsroot/dri Module name: xc Repository: xc/xc/lib/GL/mesa/src/drv/mga/ Changes by: idr@sc8-pr-cvs1. 03/01/27 15:47:14 Log message: Major re-write of the texture upload code. Added support to G400 for 2048x2048 textures and use of all 12 mipmap levels.Cool -- I never got the 'g400' style texture addressing to work properly... Keith
Did you ever monkey around with their 16-sample texture filter (the "anisotropic" mode)? I played with that a bit, but every time I selected that mode it would crash the graphics chip. :(
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