sungmg/mutter-performance-source
1
0
Fork 0
Code Activity

MonitorXrandr: fix setting gamma ramps

Browse source 
The value passed to XRRCrtcSetGamma must be allocated with
XRRAllocGamma (because it relies on the locations of green and blue),
otherwise garbage is sent on the wire.

https://bugzilla.gnome.org/show_bug.cgi?id=706231
This commit is contained in:
Giovanni Campagna 2013-08-18 11:44:45 +02:00
parent 8ad5ccd2f8
commit 015c05fbf6
1 changed files with 8 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/core/monitor-xrandr.c
View file

@ -921,14 +921,16 @@ meta_monitor_manager_xrandr_set_crtc_gamma (MetaMonitorManager *manager,
unsigned short *blue)
{
MetaMonitorManagerXrandr *manager_xrandr = META_MONITOR_MANAGER_XRANDR (manager);
XRRCrtcGamma gamma;
XRRCrtcGamma *gamma;
gamma.size = size;
gamma.red = red;
gamma.green = green;
gamma.blue = blue;
gamma = XRRAllocGamma (size);
memcpy (gamma->red, red, sizeof (unsigned short) * size);
memcpy (gamma->green, green, sizeof (unsigned short) * size);
memcpy (gamma->blue, blue, sizeof (unsigned short) * size);
XRRSetCrtcGamma (manager_xrandr->xdisplay, (XID)crtc->crtc_id, &gamma);
XRRSetCrtcGamma (manager_xrandr->xdisplay, (XID)crtc->crtc_id, gamma);
XRRFreeGamma (gamma);
}
static gboolean