[Beignet] [PATCH] Runtime: Fix a event bug.

[Yang Rong]

SVM enqueues need to call cl_event_exec every time.

Signed-off-by: Yang Rong <rong.r.yang at intel.com>
---
 src/cl_api.c | 35 ++++++++++++++---------------------
 1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/src/cl_api.c b/src/cl_api.c
index 55cfd4e..b86f9bf 100644
--- a/src/cl_api.c
+++ b/src/cl_api.c
@@ -276,14 +276,12 @@ clEnqueueSVMFree (cl_command_queue command_queue,
     data->size      = num_svm_pointers;
     data->ptr       = user_data;
 
-    if (e_status == CL_COMPLETE) { // No need to wait
-      err = cl_event_exec(e, CL_COMPLETE, CL_FALSE);
-      if (err != CL_SUCCESS) {
-        break;
-      }
-    } else { // May need to wait some event to complete.
-      cl_command_queue_enqueue_event(command_queue, e);
+    err = cl_event_exec(e, e_status == CL_COMPLETE ? CL_SUBMITTED : CL_QUEUED, CL_FALSE);
+    if (err != CL_SUCCESS) {
+      break;
     }
+
+    cl_command_queue_enqueue_event(command_queue, e);
   } while (0);
 
   if (err == CL_SUCCESS && event) {
@@ -417,14 +415,12 @@ cl_int clEnqueueSVMMemcpy (cl_command_queue command_queue,
     data->const_ptr    = src_ptr;
     data->size         = size;
 
-    if (e_status == CL_COMPLETE) { // No need to wait
-      err = cl_event_exec(e, CL_COMPLETE, CL_FALSE);
-      if (err != CL_SUCCESS) {
-        break;
-      }
-    } else { // May need to wait some event to complete.
-      cl_command_queue_enqueue_event(command_queue, e);
+    err = cl_event_exec(e, e_status == CL_COMPLETE ? CL_SUBMITTED : CL_QUEUED, CL_FALSE);
+    if (err != CL_SUCCESS) {
+      break;
     }
+
+    cl_command_queue_enqueue_event(command_queue, e);
   } while(0);
 
   if (err == CL_SUCCESS && event) {
@@ -501,15 +497,12 @@ cl_int clEnqueueSVMMemFill (cl_command_queue command_queue,
     data->pattern_size = pattern_size;
     data->size         = size;
 
-    if (e_status == CL_COMPLETE) { // No need to wait
-      err = cl_event_exec(e, CL_COMPLETE, CL_FALSE);
-      if (err != CL_SUCCESS) {
-        break;
-      }
-    } else { // May need to wait some event to complete.
-      cl_command_queue_enqueue_event(command_queue, e);
+    err = cl_event_exec(e, e_status == CL_COMPLETE ? CL_SUBMITTED : CL_QUEUED, CL_FALSE);
+    if (err != CL_SUCCESS) {
+      break;
     }
 
+    cl_command_queue_enqueue_event(command_queue, e);
   } while(0);
 
   if (err == CL_SUCCESS && event) {
-- 
2.1.4