60 	int num_threads;

    60 	int num_threads;

    61 	int max_depth;

    61 	int max_depth;

    62 

    62 

    63 	Vector3 SphereDistribute(int i, int n, Float extent, Vector3 &normal);

    63 	Vector3 SphereDistribute(int i, int n, Float extent, Vector3 &normal);

    64 

    64 

    66 	int sample_queue_max, sample_queue_pos, sample_queue_count;

    66 	int sample_queue_max, sample_queue_pos, sample_queue_count;

    67 	bool sample_queue_end;

    67 	bool sample_queue_end;

    68 	pthread_mutex_t sample_queue_mutex, sampler_mutex;

    68 	pthread_mutex_t sample_queue_mutex, sampler_mutex;

    69 	pthread_cond_t sample_queue_cond, worker_ready_cond;

    69 	pthread_cond_t sample_queue_cond, worker_ready_cond;

    70 

    70