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xwayland: Pretend we support viewport in vidmode 

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>
This commit is contained in:
Olivier Fourdan 2016-03-21 09:53:17 +01:00 committed by Adam Jackson
parent 6e3a6e30a6
commit 44e1c97ca6
1 changed files with 15 additions and 4 deletions
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19
hw/xwayland/xwayland-vidmode.c
View File

@ -208,15 +208,26 @@ xwlVidModeDeleteModeline(ScreenPtr pScreen, DisplayModePtr mode)
static Bool static Bool
xwlVidModeZoomViewport(ScreenPtr pScreen, int zoom) xwlVidModeZoomViewport(ScreenPtr pScreen, int zoom)
{ {
/* Unsupported for now */ /* Support only no zoom */
return FALSE; return (zoom == 1);
} }
static Bool static Bool
xwlVidModeSetViewPort(ScreenPtr pScreen, int x, int y) xwlVidModeSetViewPort(ScreenPtr pScreen, int x, int y)
{ {
/* Unsupported for now */ RROutputPtr output;
return FALSE; 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 static Bool