Don't assert when Qt can't enumerate a special font family
Merge branch 'master' of sbox
Merge branch 'master' of sbox
Yank DX9 and other unused stuff, better format groups.vpc
Remove conflicting shaders from core/
Disable SM3_0 compilation entirely and conditionally ignore non-SM5_0 shaders
Fix addon path on ReadVfxFile being inverted
Use addon-aware ReadVfxFile method for VFX Compile Helpers
Cleanup
Merge branch 'master' of sbox