On 12/12/09 00:58, Soeren Sandmann wrote:
Even this simple support provides a better user experience than VNC
because scrolling is accelerated and doesn't result in a huge bitmap
getting sent across the wire. (I don't know if VNC has support for
bltblt, but even if it does, a screenscraping VNC server can't easily
make use of it).

cirrus vga bitblit op is mapped to vnc copyrect.
X + cirrus driver + xterm make use of it for text scrolling.

cheers,
  Gerd



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