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backend: add output tile info retrieval.

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this just adds backend support for retrieving the tile
information from X11 (randr 1.5) and native backends.

It stores the tiling information into the output struct.
This commit is contained in:
Dave Airlie
2015-03-31 10:41:51 +10:00
committed by Jasper St. Pierre
parent ef296031cb
commit 6a77d9722a
3 changed files with 98 additions and 0 deletions
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37
src/backends/x11/meta-monitor-manager-xrandr.c
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@ -391,6 +391,42 @@ read_output_edid (MetaMonitorManagerXrandr *manager_xrandr,
return NULL;
}
static void
output_get_tile_info (MetaMonitorManagerXrandr *manager_xrandr,
MetaOutput *output)
{
Atom tile_atom;
unsigned char *prop;
unsigned long nitems, bytes_after;
int actual_format;
Atom actual_type;
if (manager_xrandr->has_randr15 == FALSE)
return;
tile_atom = XInternAtom (manager_xrandr->xdisplay, "TILE", FALSE);
XRRGetOutputProperty (manager_xrandr->xdisplay,
output->winsys_id,
tile_atom, 0, 100, False,
False, AnyPropertyType,
&actual_type, &actual_format,
&nitems, &bytes_after, &prop);
if (actual_type == XA_INTEGER && actual_format == 32 && nitems == 8)
{
long *values = (long *)prop;
output->tile_info.group_id = values[0];
output->tile_info.flags = values[1];
output->tile_info.max_h_tiles = values[2];
output->tile_info.max_v_tiles = values[3];
output->tile_info.loc_h_tile = values[4];
output->tile_info.loc_v_tile = values[5];
output->tile_info.tile_w = values[6];
output->tile_info.tile_h = values[7];
}
XFree (prop);
}
static gboolean
output_get_hotplug_mode_update (MetaMonitorManagerXrandr *manager_xrandr,
MetaOutput *output)
@ -714,6 +750,7 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
meta_output->suggested_y = output_get_suggested_y (manager_xrandr, meta_output);
meta_output->connector_type = output_get_connector_type (manager_xrandr, meta_output);
output_get_tile_info (manager_xrandr, meta_output);
meta_output->n_modes = output->nmode;
meta_output->modes = g_new0 (MetaMonitorMode *, meta_output->n_modes);
for (j = 0; j < meta_output->n_modes; j++)