extending the "firstLevel" parameter to farMesh constructor.
extending the "firstLevel" parameter to farMesh constructor.

the parameter controls which levels of refinement to include in patchTables in the case of uniformly subdivided meshes.

takahito-tejima/OpenSubdiv,shengfuintel/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,nyotis/OpenSubdiv,xldeveloper/OpenSubdiv,jcowles/OpenSubdiv,nyotis/OpenSubdiv,poljere/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,c64kernal/OpenSubdiv,poljere/OpenSubdiv,jcowles/OpenSubdiv,lookup1980/OpenSubdiv,xldeveloper/OpenSubdiv,anshuarya/OpenSubdiv,c64kernal/OpenSubdiv,anshuarya/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,takahito-tejima/OpenSubdiv,anshuarya/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,c64kernal/OpenSubdiv,xldeveloper/OpenSubdiv,shengfuintel/OpenSubdiv,takahito-tejima/OpenSubdiv,jcowles/OpenSubdiv,poljere/OpenSubdiv,nyotis/OpenSubdiv,lookup1980/OpenSubdiv,shengfuintel/OpenSubdiv,lookup1980/OpenSubdiv