PICT_a8r8g8b8 and PICT_x8r8g8b8 not supported for glamor render when glamor_priv is gles
when glamor_priv is gles adding PICT_x8r8g8b8 and PICT_a8r8g8b8 which are not supported by glamor render. so will show below log, then fallback to fbComposite.
glamor_composite_choose_shader: Unsupported dest picture format.
glamor_composite_with_shader: glamor_composite_choose_shader failed
glamor_composite: from picts 0xaaaafb008ae0:0xaaaafadeff30 320x240 / (nil):(nil) 0 x 0 (f, ) to pict 0xaaaafb00b650:0xaaaafafae380 396x337 (f)