Restore gl format of index buffer that is used when primitive is drawn.
Restore gl format of index buffer that is used when primitive is drawn.

horryq/engine-1,3DGEOM/engine,guycalledfrank/engine,playcanvas/engine,RainsSoft/engine,MicroWorldwide/PlayCanvas,playcanvas/engine,SuperStarPL/engine,sereepap2029/playcanvas,maxwellalive/engine,3DGEOM/engine,maxwellalive/engine,nizihabi/engine,H1Gdev/engine,aidinabedi/playcanvas-engine,MicroWorldwide/PlayCanvas,horryq/engine-1,maxwellalive/engine,shinate/engine,3DGEOM/engine,horryq/engine-1,sanyaade-teachings/engine,sereepap2029/playcanvas,nizihabi/engine,shinate/engine,H1Gdev/engine,SuperStarPL/engine,guycalledfrank/engine,RainsSoft/engine,RainsSoft/engine,shinate/engine,nizihabi/engine,aidinabedi/playcanvas-engine,sanyaade-teachings/engine,sereepap2029/playcanvas,sanyaade-teachings/engine,SuperStarPL/engine