\r
typedef struct taskqueue_task_s\r
{\r
- // doubly linked list\r
- struct taskqueue_task_s * volatile prev;\r
- struct taskqueue_task_s * volatile next;\r
-\r
- // if not NULL, this task must be done before this one will dequeue (faster than simply Yielding immediately)\r
+ // if not NULL, this task must be done before this one will dequeue (faster than simply calling TaskQueue_Yield immediately)\r
struct taskqueue_task_s *preceding;\r
\r
- // see TaskQueue_IsDone() to use proper atomics to poll done status\r
- volatile int started;\r
+ // use TaskQueue_IsDone() to poll done status\r
volatile int done;\r
\r
// function to call, and parameters for it to use\r
void(*func)(struct taskqueue_task_s *task);\r
- void *p[4];\r
- size_t i[4];\r
+ // general purpose parameters\r
+ void *p[2];\r
+ size_t i[2];\r
\r
- // stats:\r
- unsigned int yieldcount; // number of times this task has been requeued\r
+ unsigned int yieldcount; // number of times this task has been requeued - each task counts only once for purposes of tasksperthread averaging\r
}\r
taskqueue_task_t;\r
\r
-// immediately execute any pending tasks if threading is disabled (or if force is true)\r
-// TRY NOT TO USE THIS IF POSSIBLE - poll task->done instead.\r
-void TaskQueue_Execute(qboolean force);\r
-\r
-// queue the tasks to be executed, or executes them immediately if threading is disabled.\r
+// queue the tasks to be executed, but does not start them (until TaskQueue_WaitforTaskDone is called)\r
void TaskQueue_Enqueue(int numtasks, taskqueue_task_t *tasks);\r
\r
// if the task can not be completed due yet to preconditions, just enqueue it again...\r
void TaskQueue_Yield(taskqueue_task_t *t);\r
\r
-// polls for status of task and returns the result immediately - use this instead of checking ->done directly, as this uses atomics\r
+// polls for status of task and returns the result, does not cause tasks to be executed (see TaskQueue_WaitForTaskDone for that)\r
qboolean TaskQueue_IsDone(taskqueue_task_t *t);\r
\r
-// polls for status of task and waits for it to be done\r
+// triggers execution of queued tasks, and waits for the specified task to be done\r
void TaskQueue_WaitForTaskDone(taskqueue_task_t *t);\r
\r
// convenience function for setting up a task structure. Does not do the Enqueue, just fills in the struct.\r