> Before all, thanks for your help. It's really appreciated! :)
>
> I've applied the changes you suggested and adjusted r300DoBlit3D()
> to use normalized texture coordinates. Well, it's working more or less!
> I said "more or less" because, at least with my hardware (X850 PRO),
> it seems the texture must be alway tiled, either if the
> R300_TXO_*_TILE flags of R300_TX_OFFSET are not set.
>
> Have you experienced a similar behaviour?
>
> I ask because it may be a limit of the R400... :(
No problem, you have no idea how grateful I am that I could learn from
your drivers. It would be almost impossible to understand the one's from
xfree and dri at first.
I knew I forgot something;p
R300_TX_FILTER_0 = (R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_S_SHIFT)
| (R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_T_SHIFT)
| (R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_Q_SHIFT)
| R300_TX_MAG_FILTER_LINEAR
| R300_TX_MIN_FILTER_LINEAR);
This might do the trick, though I'm not sure if we had the same problem,
in my case the texture was (if i remember correctly) tiled only on x axis.
I had many problems with x texture cordinates (y was just fine) and tried
many things, at the same time so I'm not even quite sure what fixed what.
Best regards,
Timon
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