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Always use normalized texture coordinates on R200 and fall back if a POT
texture pitch doesn't match the HW's implicit pitch.
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detects available & accessible video memory and initializes the card
internal memory map. Along the way, I re-ordered some of the stuffs in
pre-init in order to remove some dodgy codepath, fixed various init,
exit and vt switch issues, and overall made the driver more robust. The
full memory map fix requires an updated DRM. The X driver no longer
tries to position the AGP aperture, this becomes entirely DRM
responsibility.
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controlled at compile time, plus the runtime option of Option
"AccelMethod" "EXA" or "XAA". The XAA support appears to remain as
before, while the EXA pieces need just a little more polishing. Notable
features:
- Render acceleration working on Radeon 100 and 200-series with DRI on.
- DRI works with EXA Notable issues:
- DGA disabled in the EXA case.
- Backbuffer moves disabled in the EXA case.
- No textured XVideo.
- MMIO render acceleration is close but still has some issues.
- Memory pressure while using Composite is really troublesome with DRI on.
This patch is based on an initial patch by Zack Rusin, with significant
work by Benjamin Herrenschmidt and myself.
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