成员的完整列表，这些成员属于 gfx::IAccelerationStructure::GeometryInstanceFlags,包括所有继承而来的类成员

Enum 枚举名称	gfx::IAccelerationStructure::GeometryInstanceFlags
ForceOpaque 枚举值	gfx::IAccelerationStructure::GeometryInstanceFlags
None 枚举值	gfx::IAccelerationStructure::GeometryInstanceFlags
NoOpaque 枚举值	gfx::IAccelerationStructure::GeometryInstanceFlags
TriangleFacingCullDisable 枚举值	gfx::IAccelerationStructure::GeometryInstanceFlags
TriangleFrontCounterClockwise 枚举值	gfx::IAccelerationStructure::GeometryInstanceFlags