[lkml]   [2001]   [Oct]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Huge console switching lags

> > > > them. It draws pixel by pixel. Slow slow slow!!! I have developed a new
> ^^^^^^^^^^^^^^^^^^^^^^^
> Where does it draw pixel by pixel?

Okay. Let me say most drivers don't take advantage of the graphics hardware
to perform console operations. Instead they just draw directly to the
framebuffer which can be slow.

> Yep. Vesafb started as a nice gimmick to show that it's possible, and turned
> out to be a solution for yet another
> we-don't-release-specs-to-OS/FS-people company.

I know. Same with OFfb.

> Euh, most fbcon-* drivers already do this. Grep for fb_write in e.g.
> drivers/video/fbcon-cfb8.c and count the byte accesses (=> 0).

Yep. The new code I developed came out the merging of all the fbcon-cfb*

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:04    [W:0.263 / U:1.860 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site