.TH CG-QUERY 1 CG-TOOLS
.SH NAME
cg-query - List output filters applied to a monitor
.SH SYNOPSIS
.B cg-query
.RB [ \-M
.IR method ]
.RB [ \-S
.IR site ]
.RB [ \-h
.IR high ]
.RB [ \-l
.IR low ]
.RB [ \-f
.IR class ]
.B \-c
.I crtc
.SH DESCRIPTION
.B cg-query
prints a list of all output filters applied to the monitor
whose EDID is
.IR crtc .
.SH OPTIONS
.TP
.BR \-h " "\fIhigh\fP
Do not list filter with higher priority than
.IR high .
.TP
.BR \-l " "\fIlow\fP
Do not list filter with lower priority than
.IR low .
.TP
.BR \-f " "\fIclass\fP
Print the gamma ramps of the filter with the specified
.I class
on the selected CRTC. If
.I class
is an asterisk
.RB ( * ),
all filters within the specified priority range are
coalesced and printed as one filter.
.TP
.BR \-c " "\fIcrtc\fP
Apply the filter to the CRTC with the monitor whose EDID is
.IR crtc .

If
.I crtc
is
.RB ' ? ',
all available CRTC's are listed.
.TP
.BR \-M " "\fImethod\fP
Adjustment method name or number. Recognised names include:
.TS
tab(:);
l l.
\fBdummy\fP:Dummy method
\fBrandr\fP:X RAndR
\fBvidmode\fP:X VidMode
\fBdrm\fP:Linux DRM
\fBgdi\fP:Windows GDI
\fBquartz\fP:Quartz Core Graphics
.TE

The adjustment methods are supported via
.BR libgamma (7).
Only methods that were enabled when
.B libgamma
was compiled will be supported.

If
.I method
is
.RB ' ? ',
all available adjustment methods are printed.
.TP
.BR \-S " "\fIsite\fP
Select the site to which to connect. For example
.RB ' :0 ',
for local display 0 when using
.BR X .
.SH SEE ALSO
.BR cg-tools (7)