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authorAaron Plattner <aplattner@nvidia.com>2017-06-01 15:45:59 -0700
committerPeter Hutterer <peter.hutterer@who-t.net>2017-06-02 10:29:49 +1000
commit8969b3c651eaae3e3a2370ec45f4eeae9750111d (patch)
treec8a908ea49fec198473ac0b7c44f389bec77bbe0
parent6ac2afc0d7d8d51d4085767b901667393c11061b (diff)
man: Document the new --filter option
Signed-off-by: Aaron Plattner <aplattner@nvidia.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
-rw-r--r--man/xrandr.man8
1 files changed, 7 insertions, 1 deletions
diff --git a/man/xrandr.man b/man/xrandr.man
index 55ea5dd..65ccc2a 100644
--- a/man/xrandr.man
+++ b/man/xrandr.man
@@ -155,7 +155,9 @@ parameters specify the border and default to 0. A width or height set to zero
disables panning on the according axis. You typically have to set the screen
size with \fI--fb\fP simultaneously.
.IP "\-\-transform \fIa\fP,\fIb\fP,\fIc\fP,\fId\fP,\fIe\fP,\fIf\fP,\fIg\fP,\fIh\fP,\fIi\fP"
-Specifies a transformation matrix to apply on the output. Automatically a bilinear filter is selected.
+Specifies a transformation matrix to apply on the output.
+A bilinear filter is selected automatically unless the \-\-filter parameter is
+also specified.
The mathematical form corresponds to:
.RS
.RS
@@ -201,6 +203,10 @@ As a special argument, instead of
passing a matrix, one can pass the string \fInone\fP, in which case the default
values are used (a unit matrix without filter).
.RE
+.IP "\-\-filter \fIfiltermode\fP"
+Chooses the scaling filter method to be applied when the screen is scaled or
+transformed.
+Can be either 'bilinear' or 'nearest'.
.IP "\-\-scale \fIx\fPx\fIy\fP"
Changes the dimensions of the output picture. Values superior to 1 will lead to
a compressed screen (screen dimension bigger than the dimension of the output