Function PxSAH

physx/source/physxcooking/src/mesh/RTreeCooking.cpp:336–339

SAH function - returns surface area for given AABB extents

// SAH function - returns surface area for given AABB extents
static PX_FORCE_INLINE void PxSAH(const Vec3VArg v, PxF32& sah)
{
	FStore(V3Dot(v, V3PermZXY(v)), &sah); // v.x*v.y + v.y*v.z + v.x*v.z;
}

struct SubSortSAH
{