Messages in this thread | | | Date | Sun, 29 Dec 2002 01:16:25 +0000 (GMT) | From | James Simmons <> | Subject | Re: [Linux-fbdev-devel] [FB PATCH] cfbimgblt isn't 64-bit clean |
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> The text is written as if it's thinking about handling 64-bit > unsigned long, but it doesn't. The tables that map bits to > pixels are completely unprepared for this. > > I thought about widening the tables, but I thought they'd get > unreasonably large. There's no reason not to go ahead and > handle this 32-bits at a time.
I thought the tables would come back to haunt us. The only reason the tables where introduced was for speed enhancements. I reason the code is extra complex was so you could pass 64 bits of data across the bus. I still like to see that happen still. What do you think?
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