#include "ati_get_group_and_counter_list.h"
#include <stdlib.h>

extern void glGetPerfMonitorGroupsAMD (int* numGroups, int groupsSize,
				       void *groups);

void
ati_get_group_and_counter_list (GLuint ** groupsList, int *numGroups,
				ATI_Counter_Info ** counterInfo)
{
  GLint n;
  GLuint *groups;
  ATI_Counter_Info *counters;

  glGetPerfMonitorGroupsAMD (&n, 0, NULL);
  groups = (GLuint *) malloc (n * sizeof (GLuint));
  glGetPerfMonitorGroupsAMD (NULL, n, groups);
  *numGroups = n;

  *groupsList = groups;
  counters = (ATI_Counter_Info *) malloc (sizeof (ATI_Counter_Info) * n);
  for (int i = 0; i < n; i++)
    {
      glGetPerfMonitorCountersAMD (groups[i], &counters[i].numCounters,
				   &counters[i].maxActiveCounters, 0, NULL);
      counters[i].counterList = (GLuint *) malloc (counters[i].numCounters *
						   sizeof (int));
      glGetPerfMonitorCountersAMD (groups[i], NULL, NULL,
				   counters[i].numCounters,
				   counters[i].counterList);
    }

  *counterInfo = counters;

  return;
}