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>

1 files changed, 82 insertions, 0 deletions

diff --git a/arm_compute/runtime/CL/CLMemory.h b/arm_compute/runtime/CL/CLMemory.h
new file mode 100644
index 0000000000..edd9de8097
--- /dev/null
+++ b/arm_compute/runtime/CL/CLMemory.h
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ */
+#ifndef __ARM_COMPUTE_RUNTIME_CL_CLMEMORY_H__
+#define __ARM_COMPUTE_RUNTIME_CL_CLMEMORY_H__
+
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/runtime/CL/CLMemoryRegion.h"
+
+#include <cstddef>
+#include <memory>
+
+namespace arm_compute
+{
+/** OpenCL implementation of memory object */
+class CLMemory
+{
+public:
+    /** Default Constructor */
+    CLMemory();
+    /** Default Constructor
+     *
+     * @param[in] memory Memory to be imported
+     */
+    CLMemory(std::shared_ptr<ICLMemoryRegion> memory);
+    /** Default Constructor
+     *
+     * @note Ownership of the memory is not transferred to this object.
+     *       Thus management (allocate/free) should be done by the client.
+     *
+     * @param[in] memory Memory to be imported
+     */
+    CLMemory(ICLMemoryRegion *memory);
+    /** Allow instances of this class to be copied */
+    CLMemory(const CLMemory &) = default;
+    /** Allow instances of this class to be copy assigned */
+    CLMemory &operator=(const CLMemory &) = default;
+    /** Allow instances of this class to be moved */
+    CLMemory(CLMemory &&) noexcept = default;
+    /** Allow instances of this class to be move assigned */
+    CLMemory &operator=(CLMemory &&) noexcept = default;
+    /** Region accessor
+     *
+     * @return Memory region
+     */
+    ICLMemoryRegion *region();
+    /** Region accessor
+     *
+     * @return Memory region
+     */
+    ICLMemoryRegion *region() const;
+
+private:
+    /** Creates empty region */
+    void create_empty_region();
+
+private:
+    ICLMemoryRegion                 *_region;
+    std::shared_ptr<ICLMemoryRegion> _region_owned;
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_RUNTIME_CL_CLMEMORY_H__ */