eve::graphics::GpuResidentInstanceBucket 成员列表

成员的完整列表，这些成员属于 eve::graphics::GpuResidentInstanceBucket,包括所有继承而来的类成员

firstInstance	eve::graphics::GpuResidentInstanceBucket
instanceCount	eve::graphics::GpuResidentInstanceBucket
materialId	eve::graphics::GpuResidentInstanceBucket
meshId	eve::graphics::GpuResidentInstanceBucket