COMPMID-3391: Implement Async interfaces

Change-Id: I8168cea5056ff48a0253ebb8c88ea549a3ea69a2
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3335
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/arm_compute/runtime/NEON/INEOperator.h b/arm_compute/runtime/NEON/INEOperator.h
new file mode 100644
index 0000000000..4467e6d5ab
--- /dev/null
+++ b/arm_compute/runtime/NEON/INEOperator.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2020 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_INEOPERATOR_H
+#define ARM_COMPUTE_INEOPERATOR_H
+
+#include "arm_compute/core/NEON/INEKernel.h"
+#include "arm_compute/runtime/IOperator.h"
+#include "arm_compute/runtime/IRuntimeContext.h"
+#include "arm_compute/runtime/Types.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace experimental
+{
+/** Basic interface for functions which have a single async NEON kernel */
+class INEOperator : public IOperator
+{
+public:
+    /** Constructor
+     *
+     * @param[in] ctx Runtime context to be used by the function
+     */
+    INEOperator(IRuntimeContext *ctx = nullptr);
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    INEOperator(const INEOperator &) = delete;
+    /** Default move constructor */
+    INEOperator(INEOperator &&) = default;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    INEOperator &operator=(const INEOperator &) = delete;
+    /** Default move assignment operator */
+    INEOperator &operator=(INEOperator &&) = default;
+
+    // Inherited methods overridden:
+    void run(std::vector<InputOperatorTensors *> &inputs, std::vector<OutputOperatorTensors *> &outputs, std::vector<OperatorTensors *> &workspace) override final;
+    void prepare(std::vector<OperatorTensors *> constants) override final;
+
+protected:
+    std::unique_ptr<INEKernel> _kernel;
+    IRuntimeContext           *_ctx;
+    MemoryRequirements         _workspace;
+};
+} // namespace experimental
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_INEOPERATOR_H */