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xwayland: CRTC should support all rotations

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If the Wayland compositor sets a rotation on the output, Xwayland
translates the transformation as an xrandr rotation for the given
output.

However, if the rotation is not supported by the CRTC, this is not
a valid setup and xrandr queries will fail.

Pretend we support all rotations and reflections so that the
configuration remains a valid xrandr setup.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99663
Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
(cherry picked from commit afeace27d3)
This commit is contained in:
Olivier Fourdan 2017-02-07 15:31:22 +01:00 • committed by Adam Jackson
parent fd74867b8b
commit abf3bc68db
1 changed files with 8 additions and 1 deletions
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9
hw/xwayland/xwayland-output.c
View file

@ -31,6 +31,12 @@
#include <randrstr.h>
#define DEFAULT_DPI 96
#define ALL_ROTATIONS (RR_Rotate_0 | \
RR_Rotate_90 | \
RR_Rotate_180 | \
RR_Rotate_270 | \
RR_Reflect_X | \
RR_Reflect_Y)
static Rotation
wl_transform_to_xrandr(enum wl_output_transform transform)
@ -270,6 +276,7 @@ xwl_output_create(struct xwl_screen *xwl_screen, uint32_t id)
ErrorF("Failed creating RandR CRTC\n");
goto err;
}
RRCrtcSetRotations (xwl_output->randr_crtc, ALL_ROTATIONS);
xwl_output->randr_output = RROutputCreate(xwl_screen->screen, name,
strlen(name), xwl_output);
@ -321,7 +328,7 @@ xwl_output_remove(struct xwl_output *xwl_output)
static Bool
xwl_randr_get_info(ScreenPtr pScreen, Rotation * rotations)
{
*rotations = 0;
*rotations = ALL_ROTATIONS;
return TRUE;
}