tree 6eba4b33240f48c051c7fb20d40e303d535df866
parent 8e610a43a85128d2ba121d245898387f33f8bed1
author Bill Hollings <bill.hollings@brenwill.com> 1614214919 -0500
committer Bill Hollings <bill.hollings@brenwill.com> 1614214919 -0500

Support configuring whether to advertise extensions.

Always advertise VK_KHR_portability_subset. Advertise other extensions only if
MVKConfiguration::advertiseExtensions enabled and extension available on platform.
Reorganize and simplify checking extension platform availability.