Const D3D11_SHADER_DEBUG                          = 1 Shl 0
Const D3D11_SHADER_SKIP_VALIDATION                = 1 Shl 1
Const D3D11_SHADER_SKIP_OPTIMIZATION              = 1 Shl 2
Const D3D11_SHADER_PACK_MATRIX_ROW_MAJOR          = 1 Shl 3
Const D3D11_SHADER_PACK_MATRIX_COLUMN_MAJOR       = 1 Shl 4
Const D3D11_SHADER_PARTIAL_PRECISION              = 1 Shl 5
Const D3D11_SHADER_FORCE_VS_SOFTWARE_NO_OPT       = 1 Shl 6
Const D3D11_SHADER_FORCE_PS_SOFTWARE_NO_OPT       = 1 Shl 7
Const D3D11_SHADER_NO_PRESHADER                   = 1 Shl 8
Const D3D11_SHADER_AVOID_FLOW_CONTROL             = 1 Shl 9
Const D3D11_SHADER_PREFER_FLOW_CONTROL            = 1 Shl 10
Const D3D11_SHADER_ENABLE_STRICTNESS              = 1 Shl 11
Const D3D11_SHADER_ENABLE_BACKWARDS_COMPATIBILITY = 1 Shl 12
Const D3D11_SHADER_IEEE_STRICTNESS                = 1 Shl 13
Const D3D11_SHADER_OPTIMIZATION_LEVEL0            = 1 Shl 14
Const D3D11_SHADER_OPTIMIZATION_LEVEL1            = 0
Const D3D11_SHADER_OPTIMIZATION_LEVEL2            = ((1 Shl 14) | (1 Shl 15))
Const D3D11_SHADER_OPTIMIZATION_LEVEL3            = 1 Shl 15
Const D3D11_SHADER_WARNINGS_ARE_ERRORS            = 1 Shl 18