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2008-04-10Revert "Compute pixel values directly into data port"Keith Packard1-11/+4
This reverts commit 346cf57deabb4c336612df4c13650a87b5ef6775. Mixing randr transforms and video caused screen corruption for Render operations. No, I don't understand why.
2008-04-10Compute pixel values directly into data portKeith Packard1-4/+11
Instead of leaving pixel values in src_sample registers, compute the pixel values directl to the data port to save 8 moves. This cannot work when no computation is done as there is both no way to wait for the sampler to finish and because the sampler returns data in a different order from that required by the data port (sigh).
2008-04-10Rename src/mask/data registers to indicate channelKeith Packard1-4/+4
2008-03-31Use m4 to clean up gen4 asm progs. Start adding projective transform support.Keith Packard1-0/+38
Use macros for register names, modularize functions into separate files.