From 3c97b3ababa8800f8390d26998cd8737978de72b Mon Sep 17 00:00:00 2001
From: Junyan He <junyan.he@intel.com>
Date: Sun, 11 Jun 2017 13:50:36 +0800
Subject: Implement cl_event_gen for cl_event.

Signed-off-by: Junyan He <junyan.he@intel.com>
---
 runtime/gen/cl_event_gen.c | 105 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 runtime/gen/cl_event_gen.c

diff --git a/runtime/gen/cl_event_gen.c b/runtime/gen/cl_event_gen.c
new file mode 100644
index 00000000..4d088ae1
--- /dev/null
+++ b/runtime/gen/cl_event_gen.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "cl_gen.h"
+
+struct gen_gpgpu;
+extern void gen_gpgpu_event_get_exec_timestamp(void *gpgpu_ctx, int index, uint64_t *ret_ts);
+extern void gen_gpgpu_event_get_gpu_cur_timestamp(cl_device_id device, intel_driver_t *drv, uint64_t *ret_ts);
+
+LOCAL void
+cl_event_update_timestamp_gen(cl_event event, cl_int status)
+{
+  cl_ulong ts = 0;
+  cl_context_gen ctx_gen = NULL;
+
+  if ((event->exec_data.type == EnqueueCopyBufferRect) ||
+      (event->exec_data.type == EnqueueCopyBuffer) ||
+      (event->exec_data.type == EnqueueCopyImage) ||
+      (event->exec_data.type == EnqueueCopyBufferToImage) ||
+      (event->exec_data.type == EnqueueCopyImageToBuffer) ||
+      (event->exec_data.type == EnqueueNDRangeKernel) ||
+      (event->exec_data.type == EnqueueFillBuffer) ||
+      (event->exec_data.type == EnqueueFillImage)) {
+
+    if (status == CL_QUEUED || status == CL_SUBMITTED) {
+      DEV_PRIVATE_DATA(event->ctx, event->queue->device, ctx_gen);
+      gen_gpgpu_event_get_gpu_cur_timestamp(event->queue->device, ctx_gen->drv, &ts);
+
+      if (ts == CL_EVENT_INVALID_TIMESTAMP)
+        ts++;
+      event->timestamp[CL_QUEUED - status] = ts;
+      return;
+    } else if (status == CL_RUNNING) {
+      assert(event->exec_data.exec_ctx);
+      return; // Wait for the event complete and get run and complete then.
+    } else {
+      assert(event->exec_data.exec_ctx);
+      gen_gpgpu_event_get_exec_timestamp(event->exec_data.exec_ctx, 0, &ts);
+      if (ts == CL_EVENT_INVALID_TIMESTAMP)
+        ts++;
+      event->timestamp[2] = ts;
+      gen_gpgpu_event_get_exec_timestamp(event->exec_data.exec_ctx, 1, &ts);
+      if (ts == CL_EVENT_INVALID_TIMESTAMP)
+        ts++;
+      event->timestamp[3] = ts;
+
+      /* Set the submit time the same as running time if it is later. */
+      if (event->timestamp[1] > event->timestamp[2] ||
+          event->timestamp[2] - event->timestamp[1] > 0x0FFFFFFFFFF /*Overflowed */)
+        event->timestamp[1] = event->timestamp[2];
+
+      return;
+    }
+  } else {
+    DEV_PRIVATE_DATA(event->ctx, event->queue->device, ctx_gen);
+    gen_gpgpu_event_get_gpu_cur_timestamp(event->queue->device, ctx_gen->drv, &ts);
+    if (ts == CL_EVENT_INVALID_TIMESTAMP)
+      ts++;
+    event->timestamp[CL_QUEUED - status] = ts;
+    return;
+  }
+}
+
+LOCAL cl_int
+cl_event_create_gen(cl_device_id device, cl_event event)
+{
+  assert(event);
+  assert(event->queue); // Can not be user event
+
+  return CL_SUCCESS;
+}
+
+LOCAL void
+cl_event_delete_gen(cl_device_id device, cl_event event)
+{
+  if (event->exec_data.type == EnqueueNDRangeKernel ||
+      event->exec_data.type == EnqueueFillImage ||
+      event->exec_data.type == EnqueueCopyImage ||
+      event->exec_data.type == EnqueueCopyImageToBuffer ||
+      event->exec_data.type == EnqueueCopyBufferToImage ||
+      event->exec_data.type == EnqueueCopyBuffer ||
+      event->exec_data.type == EnqueueCopyBufferRect ||
+      event->exec_data.type == EnqueueFillBuffer) {
+    cl_enqueue_nd_range_delete_gen(event);
+  } else if (event->exec_data.type == EnqueueNativeKernel) {
+    cl_enqueue_delete_native_kernel(event);
+  } else if (event->exec_data.type == EnqueueSVMMemFree) {
+    cl_svm_free_delete_func(event);
+  }
+}
-- 
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