OpenBSD / src / j2VU0Si / Optimize rasops_vcons_copyrows() so write-only framebuffer consoles

OpenBSD/src j2VU0Si — sys/dev/rasops rasops.c

2020-07-11 15:02:52 UTC by fcambus on ⎇

HEAD

   Optimize rasops_vcons_copyrows() so write-only framebuffer consoles
   only redraw the characters that differ between the start and end
   positions. This makes scrolling significantly faster.

   From John Carmack, thanks!

   OK jcs@

Version	Delta		File
1.63	+25	-10	sys/dev/rasops/rasops.c
	+25	-10	1 files

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