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authormacallan <macallan@NetBSD.org>2011-05-25 06:01:38 +0000
committermacallan <macallan@NetBSD.org>2011-05-25 06:01:38 +0000
commitd9bb42b4f3ba4212d5e57cb8fcde1bbeda726269 (patch)
tree1d118bbe946ca5d7e1ad5d05b136ebe3ee2ea2a0 /gnu/usr.bin/diffutils
parentee110bcfa89cf29d05defcf61c552bf26c1408c8 (diff)
add a cache so when we update the screen we only redraw the character cells
that actually changed since last time. This gives a noticeable speedup on slower hardware with dumb framebuffers. For now this works with VCONS_DRAW_INTR and VCONS_DONT_READ only.
Diffstat (limited to 'gnu/usr.bin/diffutils')
0 files changed, 0 insertions, 0 deletions