From d9eb27597eabe5b7c17520f4f9b3f8a282d72573 Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Tue, 3 Apr 2018 13:44:29 +0100
Subject: COMPMID-797: Switch to new graph.

- Cleaned up build system

Change-Id: If2faa27ee5b31fa8b972836960ab3ef671059c8d
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/126435
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
---
 arm_compute/graph/IDeviceBackend.h | 109 +++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 arm_compute/graph/IDeviceBackend.h

(limited to 'arm_compute/graph/IDeviceBackend.h')

diff --git a/arm_compute/graph/IDeviceBackend.h b/arm_compute/graph/IDeviceBackend.h
new file mode 100644
index 0000000000..fa6fbae1ea
--- /dev/null
+++ b/arm_compute/graph/IDeviceBackend.h
@@ -0,0 +1,109 @@
+/*
+ * 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_GRAPH_IDEVICEBACKEND_H__
+#define __ARM_COMPUTE_GRAPH_IDEVICEBACKEND_H__
+
+#include "arm_compute/graph/ITensorHandle.h"
+#include "arm_compute/graph/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/IMemoryManager.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class Graph;
+class GraphContext;
+class Tensor;
+class INode;
+
+namespace backends
+{
+/** Device backend interface */
+class IDeviceBackend
+{
+public:
+    /** Virtual Destructor */
+    virtual ~IDeviceBackend() = default;
+    /** Initializes the backend */
+    virtual void initialize_backend() = 0;
+    /** Setups the given graph context
+     *
+     * @param[in] ctx Graph context
+     */
+    virtual void setup_backend_context(GraphContext &ctx) = 0;
+    /** Checks if an instantiated backend is actually supported
+     *
+     * @return True if the backend is supported else false
+     */
+    virtual bool is_backend_supported() = 0;
+    /** Create a backend Tensor
+     *
+     * @param[in] tensor The tensor we want to create a backend tensor for
+     *
+     * @return Backend tensor handle
+     */
+    virtual std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) = 0;
+    /** Create a backend Sub-Tensor
+     *
+     * @param[in] parent        Parent sub-tensor handle
+     * @param[in] shape         Shape of the sub-tensor
+     * @param[in] coords        Starting coordinates of the sub-tensor
+     * @param[in] extend_parent Extends parent shape if true
+     *
+     * @return Backend sub-tensor handle
+     */
+    virtual std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) = 0;
+    /** Configure a backend Node
+     *
+     * @note This creates an appropriate configured backend function for the given node
+     *
+     * @param[in] node The node we want to configure
+     * @param[in] ctx  Context to use
+     *
+     * @return Backend execution function
+     */
+    virtual std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) = 0;
+    /** Validate a node
+     *
+     * @param[in] node The node we want to validate
+     *
+     * @return An error status
+     */
+    virtual Status validate_node(INode &node) = 0;
+    /** Create a backend memory manager given its affinity
+     *
+     * @param[in] affinity Memory Manager affinity
+     *
+     * @return Memory manager
+     */
+    virtual std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) = 0;
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_IDEVICEBACKEND_H__
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