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Diffstat (limited to 'x11vnc/help.c')
| -rw-r--r-- | x11vnc/help.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/x11vnc/help.c b/x11vnc/help.c index 6f7e803..73d5c86 100644 --- a/x11vnc/help.c +++ b/x11vnc/help.c @@ -2014,6 +2014,32 @@ void print_help(int mode) { " text selection, and some menu traversals. It overrides\n" " any -pointer_mode setting.\n" "\n" +#ifndef NO_NCACHE +"-ncache n Client-side caching scheme. Framebuffer memory \"n\"\n" +" (an integer) times that of the full display is allocated\n" +" below the actual framebuffer to cache screen contents\n" +" for rapid retrieval. So a W x H frambuffer is expanded\n" +" to a W x (n+1)*H one. Use 0 to disable. Default: XXX.\n" +"\n" +" This is an experimental option, currently implemented\n" +" in an awkward way in that in the VNC Viewer you can\n" +" see the cache contents if you scroll down, etc. So you\n" +" will have to set things up so you can't see that region.\n" +" If this method is successful, the changes required for\n" +" clients to do this less awkwardly will be investigated.\n" +"\n" +" Note that this mode consumes a lot of memory, both\n" +" on the x11vnc server side and on the VNC Viewer side.\n" +" If n=2 then the amount of RAM used is roughly tripled\n" +" for both x11vnc and the VNC Viewer. As a rule of\n" +" thumb, note that 1280x1024 at depth 24 is about 5MB of\n" +" pixel data.\n" +"\n" +" Because of the way window backingstore and saveunders\n" +" are implemented, n must be even. It will be incremented\n" +" by 1 if it is not.\n" +"\n" +#endif "-wireframe [str] Try to detect window moves or resizes when a mouse\n" "-nowireframe button is held down and show a wireframe instead of\n" " the full opaque window. This is based completely on\n" |