Assertion: mandatory feature | /r/HasProperty | introduced for level
Facets:
Source sentences:
text: Since Direct3D 11.1 for Windows 8, some mandatory features introduced for level 11_1 are available as optional on levels 10_0, 10_1 and 11_0 - these features can be checked individually via CheckFeatureSupport function however feature level 11_1 and optional features are not available in Direct3D 11.1 for Windows 7 platform update because it does not support WDDM 1.2.