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/* Apache License, Version 2.0 */
#include "testing/testing.h"
#include <string.h>
#include "atomic_ops.h"
extern "C" {
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_mempool.h"
#include "BLI_task.h"
#include "MEM_guardedalloc.h"
};
#define NUM_ITEMS 10000
/* *** Parallel iterations over mempool items. *** */
static void task_mempool_iter_func(void *userdata, MempoolIterData *item)
{
int *data = (int *)item;
int *count = (int *)userdata;
EXPECT_TRUE(data != NULL);
*data += 1;
atomic_sub_and_fetch_uint32((uint32_t *)count, 1);
}
TEST(task, MempoolIter)
{
int *data[NUM_ITEMS];
BLI_threadapi_init();
BLI_mempool *mempool = BLI_mempool_create(
sizeof(*data[0]), NUM_ITEMS, 32, BLI_MEMPOOL_ALLOW_ITER);
int i;
/* 'Randomly' add and remove some items from mempool, to create a non-homogenous one. */
int num_items = 0;
for (i = 0; i < NUM_ITEMS; i++) {
data[i] = (int *)BLI_mempool_alloc(mempool);
*data[i] = i - 1;
num_items++;
}
for (i = 0; i < NUM_ITEMS; i += 3) {
BLI_mempool_free(mempool, data[i]);
data[i] = NULL;
num_items--;
}
for (i = 0; i < NUM_ITEMS; i += 7) {
if (data[i] == NULL) {
data[i] = (int *)BLI_mempool_alloc(mempool);
*data[i] = i - 1;
num_items++;
}
}
for (i = 0; i < NUM_ITEMS - 5; i += 23) {
for (int j = 0; j < 5; j++) {
if (data[i + j] != NULL) {
BLI_mempool_free(mempool, data[i + j]);
data[i + j] = NULL;
num_items--;
}
}
}
BLI_task_parallel_mempool(mempool, &num_items, task_mempool_iter_func, true);
/* Those checks should ensure us all items of the mempool were processed once, and only once - as
* expected. */
EXPECT_EQ(num_items, 0);
for (i = 0; i < NUM_ITEMS; i++) {
if (data[i] != NULL) {
EXPECT_EQ(*data[i], i);
}
}
BLI_mempool_destroy(mempool);
BLI_threadapi_exit();
}
/* *** Parallel iterations over double-linked list items. *** */
static void task_listbase_iter_func(void *userdata, Link *item, int index)
{
LinkData *data = (LinkData *)item;
int *count = (int *)userdata;
data->data = POINTER_FROM_INT(POINTER_AS_INT(data->data) + index);
atomic_sub_and_fetch_uint32((uint32_t *)count, 1);
}
TEST(task, ListBaseIter)
{
ListBase list = {NULL, NULL};
LinkData *items_buffer = (LinkData *)MEM_calloc_arrayN(
NUM_ITEMS, sizeof(*items_buffer), __func__);
BLI_threadapi_init();
int i;
int num_items = 0;
for (i = 0; i < NUM_ITEMS; i++) {
BLI_addtail(&list, &items_buffer[i]);
num_items++;
}
BLI_task_parallel_listbase(&list, &num_items, task_listbase_iter_func, true);
/* Those checks should ensure us all items of the listbase were processed once, and only once -
* as expected. */
EXPECT_EQ(num_items, 0);
LinkData *item;
for (i = 0, item = (LinkData *)list.first; i < NUM_ITEMS && item != NULL;
i++, item = item->next) {
EXPECT_EQ(POINTER_AS_INT(item->data), i);
}
EXPECT_EQ(NUM_ITEMS, i);
MEM_freeN(items_buffer);
BLI_threadapi_exit();
}
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