switch to linear sampling for VSM
switch to linear sampling for VSM

aidinabedi/playcanvas-engine,sereepap2029/playcanvas,sereepap2029/playcanvas,aidinabedi/playcanvas-engine,guycalledfrank/engine,guycalledfrank/engine,MicroWorldwide/PlayCanvas,playcanvas/engine,sereepap2029/playcanvas,MicroWorldwide/PlayCanvas,H1Gdev/engine,H1Gdev/engine,playcanvas/engine