update ref for blacksmith
Fix gitmodules; stop using copy paste from GitHub to clone.
update pegasus ref
omit additional tests
Fix linux compile; resolve unsigned/signed warnings
update pegasus ref
Fix linux build
Fix rnd build missing algorithm
update pegasus ref
minor pedantic fixes
update pegasus ref
add ARB_timer_query
more shader work
Fix shader normal calculations
add support for mesh hot loading
update shaders
Fix incorrect normal calculation
more cleanup of shaders
attempting to learn fresnel.
more fresnel experimentation