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, 83 insertions, 0 deletions

diff --git a/arm_compute/runtime/IMemoryRegion.h b/arm_compute/runtime/IMemoryRegion.h
new file mode 100644
index 0000000000..4c08b4ab09
--- /dev/null
+++ b/arm_compute/runtime/IMemoryRegion.h
@@ -0,0 +1,83 @@
+/*
+ * 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_IMEMORY_REGION_H__
+#define __ARM_COMPUTE_RUNTIME_IMEMORY_REGION_H__
+
+#include <cstddef>
+
+namespace arm_compute
+{
+/** Memory region interface */
+class IMemoryRegion
+{
+public:
+    /** Default constructor
+     *
+     * @param[in] size Region size
+     */
+    IMemoryRegion(size_t size)
+        : _size(size)
+    {
+    }
+    /** Virtual Destructor */
+    virtual ~IMemoryRegion() = default;
+    /** Returns the pointer to the allocated data.
+     *
+     * @return Pointer to the allocated data
+     */
+    virtual void *buffer() = 0;
+    /** Returns the pointer to the allocated data.
+     *
+     * @return Pointer to the allocated data
+     */
+    virtual void *buffer() const = 0;
+    /** Handle of internal memory
+     *
+     * @return Handle of memory
+     */
+    virtual void **handle() = 0;
+    /** Memory region size accessor
+     *
+     * @return Memory region size
+     */
+    size_t size()
+    {
+        return _size;
+    }
+    /** Sets size of region
+     *
+     * @warning This should only be used in correlation with handle
+     *
+     * @param[in] size Size to set
+     */
+    void set_size(size_t size)
+    {
+        _size = size;
+    }
+
+protected:
+    size_t _size;
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_RUNTIME_IMEMORY_REGION_H__ */