Add the sync module into the libocl

Signed-off-by: Junyan He <junyan.he@linux.intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@intel.com>

2 files changed, 32 insertions, 0 deletions

diff --git a/backend/src/libocl/include/ocl_sync.h b/backend/src/libocl/include/ocl_sync.h
new file mode 100644
index 00000000..f9838249
--- /dev/null
+++ b/backend/src/libocl/include/ocl_sync.h
@@ -0,0 +1,18 @@
+#ifndef __OCL_SYNC_H__
+#define __OCL_SYNC_H__
+
+#include "ocl_types.h"
+
+/////////////////////////////////////////////////////////////////////////////
+// Synchronization functions
+/////////////////////////////////////////////////////////////////////////////
+#define CLK_LOCAL_MEM_FENCE  (1 << 0)
+#define CLK_GLOBAL_MEM_FENCE (1 << 1)
+
+typedef uint cl_mem_fence_flags;
+void barrier(cl_mem_fence_flags flags);
+void mem_fence(cl_mem_fence_flags flags);
+void read_mem_fence(cl_mem_fence_flags flags);
+void write_mem_fence(cl_mem_fence_flags flags);
+
+#endif  /* __OCL_SYNC_H__ */
diff --git a/backend/src/libocl/src/ocl_sync.cl b/backend/src/libocl/src/ocl_sync.cl
new file mode 100644
index 00000000..34894507
--- /dev/null
+++ b/backend/src/libocl/src/ocl_sync.cl
@@ -0,0 +1,14 @@
+#include "ocl_sync.h"
+
+void __gen_ocl_barrier_local(void);
+void __gen_ocl_barrier_global(void);
+void __gen_ocl_barrier_local_and_global(void);
+
+void mem_fence(cl_mem_fence_flags flags) {
+}
+
+void read_mem_fence(cl_mem_fence_flags flags) {
+}
+
+void write_mem_fence(cl_mem_fence_flags flags) {
+}