COMPMID-2449: Implement NEUnPoolLayer

Change-Id: I5677c87bba97dd395a3e13dbce34a3dd2c437033
Signed-off-by: morgolock <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3289
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/arm_compute/runtime/NEON/functions/NEMaxUnpoolingLayer.h b/arm_compute/runtime/NEON/functions/NEMaxUnpoolingLayer.h
new file mode 100644
index 0000000000..f93e4caf93
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEMaxUnpoolingLayer.h
@@ -0,0 +1,77 @@
+/*
+ * 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_NEMAXUNPOOLINGLAYER_H
+#define ARM_COMPUTE_NEMAXUNPOOLINGLAYER_H
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/NEON/kernels/NEMaxUnpoolingLayerKernel.h"
+#include "arm_compute/core/NEON/kernels/NEMemsetKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Function to perform MaxUnpooling. This function calls the following NEON kernels:
+ *
+ * -# @ref NEMemsetKernel
+ * -# @ref NEMaxUnpoolingLayerKernel
+ */
+class NEMaxUnpoolingLayer : public IFunction
+{
+public:
+    /** Constructor */
+    NEMaxUnpoolingLayer();
+    /** Set the input and output tensors.
+     *
+     * @note F16 is supported for pool sizes 2 and 3 only
+     *
+     * @param[in, out] input     Source tensor. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[out]     output    Destination tensor. Data types supported: Same as @p input.
+     * @param[out]     indices   The indices of the maximal values. Data type supported: U32.
+     * @param[in]      pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+     */
+    void configure(ITensor *input, ITensor *indices, ITensor *output, const PoolingLayerInfo &pool_info);
+    /** Static function to check if given info will lead to a valid configuration of @ref NEMaxUnpoolingLayer
+     *
+     * @note F16 is supported for pool sizes 2 and 3 only
+     *
+     * @param[in] input     Source tensor. (Written to only when padding != 0) Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[in] indices   The indices of the maximal values. Data type supported: U32.
+     * @param[in] output    Destination tensor. Data types supported: Same as @p input.
+     * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, const PoolingLayerInfo &pool_info);
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    NEMemsetKernel            _memset_kernel;
+    NEMaxUnpoolingLayerKernel _unpooling_layer_kernel;
+};
+}
+#endif /* ARM_COMPUTE_NEMAXUNPOOLINGLAYER_H */