Port NEFlatten layer to a memory injecting interface
Resolves: COMPMID-4503
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: Ic536f62a9561d709c16d5f9cca28784cb7f281b6
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5650
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/cpu/operators/CpuFlatten.h b/src/runtime/cpu/operators/CpuFlatten.h
new file mode 100644
index 0000000..ae71453
--- /dev/null
+++ b/src/runtime/cpu/operators/CpuFlatten.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2021 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_CPU_FLATTEN_H
+#define ARM_COMPUTE_CPU_FLATTEN_H
+
+#include "src/runtime/cpu/ICpuOperator.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+/** Basic function to flatten a given input */
+class CpuFlatten : public ICpuOperator
+{
+public:
+ /** Constructor */
+ CpuFlatten() = default;
+ /** Configure operator for a given list of arguments
+ *
+ * Valid data layouts:
+ * - All
+ *
+ * Valid data type configurations:
+ * |src |dst |
+ * |:--------------|:--------------|
+ * |All |All |
+ *
+ * @param[in] src Source tensor to flatten with at least 3 dimensions.
+ * The dimensions above the third will be interpreted as batches. Data types supported: All
+ * @param[in] dst Destination tensor with shape [w*h*d, input_batches] where:
+ * w = width input tensor, h = height input tensor and d = depth input tensor.
+ * Data type supported: same as @p src
+ */
+ void configure(const ITensorInfo *src, ITensorInfo *dst);
+ /** Static function to check if given info will lead to a valid configuration
+ *
+ * Similar to @ref CpuFlatten::configure()
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *src, const ITensorInfo *dst);
+};
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CPU_FLATTEN_H */