Metal: Fixed texture format fallback.
Metal: Fixed texture format fallback.

MikePopoloski/bgfx,mendsley/bgfx,andr3wmac/bgfx,0-wiz-0/bgfx,cuavas/bgfx,kondrak/bgfx,LWJGL-CI/bgfx,mendsley/bgfx,jdryg/bgfx,mmicko/bgfx,jdryg/bgfx,darkimage/bgfx,emoon/bgfx,Synxis/bgfx,LWJGL-CI/bgfx,attilaz/bgfx,Synxis/bgfx,marco-we/bgfx,aonorin/bgfx,jpcy/bgfx,elmindreda/bgfx,jpcy/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,darkimage/bgfx,cuavas/bgfx,kondrak/bgfx,elmindreda/bgfx,fluffyfreak/bgfx,jpcy/bgfx,Synxis/bgfx,andr3wmac/bgfx,darkimage/bgfx,MikePopoloski/bgfx,LSBOSS/bgfx,cuavas/bgfx,septag/bgfx,septag/bgfx,mendsley/bgfx,v3n/bgfx,0-wiz-0/bgfx,andr3wmac/bgfx,LSBOSS/bgfx,emoon/bgfx,aonorin/bgfx,v3n/bgfx,emoon/bgfx,0-wiz-0/bgfx,v3n/bgfx,bkaradzic/bgfx,jpcy/bgfx,bkaradzic/bgfx,fluffyfreak/bgfx,fluffyfreak/bgfx,marco-we/bgfx,fluffyfreak/bgfx,marco-we/bgfx,LWJGL-CI/bgfx,LSBOSS/bgfx,attilaz/bgfx,mmicko/bgfx,attilaz/bgfx,MikePopoloski/bgfx,mmicko/bgfx,kondrak/bgfx,septag/bgfx,jdryg/bgfx,aonorin/bgfx,bkaradzic/bgfx,elmindreda/bgfx,jdryg/bgfx