25  */

    25  */

    26 

    26 

    27 #include <pthread.h>

    27 #include <pthread.h>

    28 #include <stdio.h>

    28 #include <stdio.h>

    29 #include <stdlib.h>

    29 #include <stdlib.h>

    30 #include <assert.h>

    31 #include <assert.h>

    31 #include "raytracer.h"

    32 #include "raytracer.h"

    32 

    33 

    33 // Hammersley spherical point distribution

    34 // Hammersley spherical point distribution

    34 // http://www.cse.cuhk.edu.hk/~ttwong/papers/udpoint/udpoints.html

    35 // http://www.cse.cuhk.edu.hk/~ttwong/papers/udpoint/udpoints.html

   476 		pthread_mutex_lock(&sampler_mutex);

   477 		pthread_mutex_lock(&sampler_mutex);

   477 

   478 

   478 		for (;;)

   479 		for (;;)

   479 		{

   480 		{

   480 			my_count = 0;

   481 			my_count = 0;

   482 			{

   483 			{

   483 				my_count++;

   484 				my_count++;

   484 				if (my_pos >= sample_queue_size)

   485 				if (my_pos >= sample_queue_size)

   485 					my_pos = 0;

   486 					my_pos = 0;

   486 				if (my_count >= my_count_max)

   487 				if (my_count >= my_count_max)