COMPMID-666: Adds the ability to import backing memory in a Tensor(CPU).

Change-Id: I62b843b544fe9048837fd64c22e970fc6a0aaf23
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/94881
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/src/runtime/Memory.cpp b/src/runtime/Memory.cpp
new file mode 100644
index 0000000000..35d0c824bb
--- /dev/null
+++ b/src/runtime/Memory.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2017 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/Memory.h"
+
+#include "arm_compute/core/Error.h"
+
+using namespace arm_compute;
+
+Memory::Memory()
+    : _memory(nullptr), _memory_owned(nullptr)
+{
+}
+
+Memory::Memory(std::shared_ptr<uint8_t> memory)
+    : _memory(nullptr), _memory_owned(std::move(memory))
+{
+    ARM_COMPUTE_ERROR_ON(_memory_owned.get() == nullptr);
+    _memory = _memory_owned.get();
+}
+
+Memory::Memory(uint8_t *memory)
+    : _memory(memory), _memory_owned(nullptr)
+{
+    ARM_COMPUTE_ERROR_ON(memory == nullptr);
+}
+
+uint8_t *Memory::buffer()
+{
+    return _memory;
+}
+
+uint8_t *Memory::buffer() const
+{
+    return _memory;
+}
+
+uint8_t **Memory::handle()
+{
+    ARM_COMPUTE_ERROR_ON(_memory_owned.get() != nullptr);
+    return &_memory;
+}
\ No newline at end of file