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Diffstat (limited to 'iplan2p4/iplpack.h')
| -rw-r--r-- | iplan2p4/iplpack.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/iplan2p4/iplpack.h b/iplan2p4/iplpack.h new file mode 100644 index 000000000..9545c75ec --- /dev/null +++ b/iplan2p4/iplpack.h @@ -0,0 +1,10 @@ +/* $XFree86: xc/programs/Xserver/iplan2p4/iplpack.h,v 3.0 1996/08/18 01:54:57 dawes Exp $ */ +/* 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) |