[cairo] painting a r565 raw data on to gdkwindow

[zaheer ahmad]

hi,i have a video plugin that gives the decoded data in 565 format that
matches the native format. i would like to paint this on top of a gdk window
along with content rendered from browser page. i create a cairo context out
of the gdk window and let the browser draw on to it. how do i blend the 565
data on to this? i would think of creating a GdkPixmap (assuming it would be
565) and then set data using g_object_set (pixmap, data..), and then do a
gdk_draw_drawable this pixmap on to the gdk window?  Also i would like the
video drawing path to be as fast as possible (avoiding all 565->8888
back/forth conversions). whats the right way to do this. appreciate any
help.

thanks,
Zaheer
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