MEC: Use RGBA8 for compressed RGB textures.
MEC: Use RGBA8 for compressed RGB textures.

RGB8 is not color renderebale.

pmuetschard/gapid,pmuetschard/gapid,pmuetschard/gapid,Qining/gapid,pmuetschard/gapid,google/gapid,google/agi,google/gapid,Qining/gapid,google/agi,google/gapid,pmuetschard/gapid,pmuetschard/gapid,google/agi,Qining/gapid,pmuetschard/gapid,google/gapid,google/agi,google/agi,google/agi,google/agi,pmuetschard/gapid,google/gapid,Qining/gapid,google/gapid,Qining/gapid,Qining/gapid,Qining/gapid,Qining/gapid,google/gapid,google/gapid,google/agi