if(ARB_direct_state_access)
glTextureSubImage3D(id, level, x, y, z, wd, ht, dp, comp, type, data);
else
glTexSubImage3D(target, level, x, y, z, wd, ht, dp, comp, type, data);
if(auto_gen_mipmap && level==0)
if(ARB_direct_state_access)
glTextureSubImage3D(id, level, x, y, z, wd, ht, dp, comp, type, data);
else
glTexSubImage3D(target, level, x, y, z, wd, ht, dp, comp, type, data);
if(auto_gen_mipmap && level==0)