cmake D3D12 examples

Autodesk/Aurora Libraries/Aurora/CMakeLists.txt :9 

find_package(D3D12 REQUIRED)

google/filament third_party/dawn/third_party/dxc/projects/dxilconv/lib/DxbcConverter/CMakeLists.txt :3 

find_package(D3D12 REQUIRED)

microsoft/DirectXShaderCompiler projects/dxilconv/lib/DxbcConverter/CMakeLists.txt :3 

find_package(D3D12 REQUIRED)