tree bde02f38c1373d493823cbe87b3dd9fc3ba530be
parent a33b5f40d705cd503af32d7e3759056517b55582
author Chia-I Wu <olvaffe@gmail.com> 1407030918 +0800
committer Chia-I Wu <olvaffe@gmail.com> 1407110048 +0800

common: add common code for all drivers

The common code includes

 - XGL API except xglInitAndEnumerateGpus
 - helper and utility functions