The source code for DXGL is currently available via GitHub. Please use Git to check out the following repository:

The Subversion repository previously available has been retired and will not receive any new revisions.  All revisions of DXGL have already been migrated to the GitHub repository.

If you would like to submit changes to the DXGL source code, please use the GitHub functionality (GitHub account required) to create a Pull Request and I will consider the changes.