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

AllowCompaction 枚举值	gfx::IAccelerationStructure::BuildFlags
AllowUpdate 枚举值	gfx::IAccelerationStructure::BuildFlags
Enum 枚举名称	gfx::IAccelerationStructure::BuildFlags
MinimizeMemory 枚举值	gfx::IAccelerationStructure::BuildFlags
None 枚举值	gfx::IAccelerationStructure::BuildFlags
PerformUpdate 枚举值	gfx::IAccelerationStructure::BuildFlags
PreferFastBuild 枚举值	gfx::IAccelerationStructure::BuildFlags
PreferFastTrace 枚举值	gfx::IAccelerationStructure::BuildFlags