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xwayland: Pretend we support viewport in vidmode

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Some games (namely openttd) will raise an XError and fail with a
BadValue if their request to XF86VidModeSetViewPort fails.

Support only the default zoom and viewport, fail for everything else.

Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
(cherry picked from commit 44e1c97ca6)
This commit is contained in:
Olivier Fourdan 2016-03-21 09:53:17 +01:00 committed by Adam Jackson
parent fcb89adb4a
commit 082d5ea9a8
1 changed files with 15 additions and 4 deletions
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19
hw/xwayland/xwayland-vidmode.c
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@ -208,15 +208,26 @@ xwlVidModeDeleteModeline(ScreenPtr pScreen, DisplayModePtr mode)
static Bool
xwlVidModeZoomViewport(ScreenPtr pScreen, int zoom)
{
/* Unsupported for now */
return FALSE;
/* Support only no zoom */
return (zoom == 1);
}
static Bool
xwlVidModeSetViewPort(ScreenPtr pScreen, int x, int y)
{
/* Unsupported for now */
return FALSE;
RROutputPtr output;
RRCrtcPtr crtc;
output = RRFirstOutput(pScreen);
if (output == NULL)
return FALSE;
crtc = output->crtc;
if (crtc == NULL)
return FALSE;
/* Support only default viewport */
return (x == crtc->x && y == crtc->y);
}
static Bool