xserver-multidpi/iplan2p4/iplpack.h

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2004-04-23 21:54:30 +02:00
/* $XFree86$ */
2003-11-14 17:48:57 +01:00
/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
interleaved planes */
#define NUM_LONGS(planes, xs, xe) \
(((((xe) * (planes) + 31) & ~31) - \
(((xs) * (planes)) & ~31))/32)
#define NUM_TEMP_BYTES(planes, longs) \
(((2 * (longs) + (planes) - 1) / planes + 1) * planes * 2)