ea678a73c5
This allocates span data for multiple arcs and draws the
whole set in one call, rather than doing them one at a time. For
modern hardware, this is a significant performance improvement.
v2: Limit the number of spans per buffer to 4M to avoid
integer overflow in computing the malloc size.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
19 KiB
19 KiB