Two tiny optimisations for mono bitmap drawing on greyscale displays: (1) H1x0, M5...
commitea5646bbe1481b7a59731827201fafef762ec840
authoramiconn <amiconn@a1c6a512-1295-4272-9138-f99709370657>
Sat, 30 May 2009 23:35:44 +0000 (30 23:35 +0000)
committeramiconn <amiconn@a1c6a512-1295-4272-9138-f99709370657>
Sat, 30 May 2009 23:35:44 +0000 (30 23:35 +0000)
tree548cd4fa407553680023940b59ef883377e5eac3
parent814d26fda3186b3cc2e2272fff7c0d6ec264d757
Two tiny optimisations for mono bitmap drawing on greyscale displays: (1) H1x0, M5: Manipulate destination masks directly for the aligned case - ~0.7% speedup. (2) Greyscale ipods: Use sentinel method for reloading data like the 16 bit driver does - ~1.5% speedup.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21139 a1c6a512-1295-4272-9138-f99709370657
firmware/drivers/lcd-2bit-horz.c
firmware/drivers/lcd-2bit-vert.c