COMPMID-1023: Import memory for OpenCL

Change-Id: I201bc00a1261814737e6b6878ecfe9904bae0cc1
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/128212
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/runtime/CL/CLMemory.cpp b/src/runtime/CL/CLMemory.cpp
new file mode 100644
index 0000000..534c4f9
--- /dev/null
+++ b/src/runtime/CL/CLMemory.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/runtime/CL/CLMemory.h"
+
+#include "arm_compute/core/Error.h"
+
+namespace arm_compute
+{
+CLMemory::CLMemory()
+    : _region(nullptr), _region_owned(nullptr)
+{
+    create_empty_region();
+}
+
+CLMemory::CLMemory(std::shared_ptr<ICLMemoryRegion> memory)
+    : _region(nullptr), _region_owned(std::move(memory))
+{
+    if(_region_owned == nullptr)
+    {
+        create_empty_region();
+    }
+    _region = _region_owned.get();
+}
+
+CLMemory::CLMemory(ICLMemoryRegion *memory)
+    : _region(memory), _region_owned(nullptr)
+{
+    _region = memory;
+}
+
+ICLMemoryRegion *CLMemory::region()
+{
+    return _region;
+}
+
+ICLMemoryRegion *CLMemory::region() const
+{
+    return _region;
+}
+
+void CLMemory::create_empty_region()
+{
+    _region_owned = std::make_shared<CLBufferMemoryRegion>(cl::Context::getDefault(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 0);
+    _region       = _region_owned.get();
+}
+} // namespace arm_compute
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