COMPMID-2318: Implement NEROIAlignLayer

Change-Id: I2665c98b5d6523a9ddaef0b7c220aecd22559ce6
Signed-off-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1826
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>

2 files changed, 75 insertions, 0 deletions

diff --git a/arm_compute/runtime/NEON/NEFunctions.h b/arm_compute/runtime/NEON/NEFunctions.h
index 716d28cff5..515e4070f4 100644
--- a/arm_compute/runtime/NEON/NEFunctions.h
+++ b/arm_compute/runtime/NEON/NEFunctions.h
@@ -116,6 +116,7 @@
 #include "arm_compute/runtime/NEON/functions/NEPriorBoxLayer.h"
 #include "arm_compute/runtime/NEON/functions/NEQuantizationLayer.h"
 #include "arm_compute/runtime/NEON/functions/NERNNLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEROIAlignLayer.h"
 #include "arm_compute/runtime/NEON/functions/NEROIPoolingLayer.h"
 #include "arm_compute/runtime/NEON/functions/NERange.h"
 #include "arm_compute/runtime/NEON/functions/NEReduceMean.h"
diff --git a/arm_compute/runtime/NEON/functions/NEROIAlignLayer.h b/arm_compute/runtime/NEON/functions/NEROIAlignLayer.h
new file mode 100644
index 0000000000..f28fb6b2be
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEROIAlignLayer.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2019 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_NEROIALIGNLAYER_H__
+#define __ARM_COMPUTE_NEROIALIGNLAYER_H__
+
+#include "arm_compute/core/NEON/kernels/NEROIPoolingLayerKernel.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEROIAlignLayerKernel.
+ *
+ * This function calls the following NEON kernels:
+ * -# @ref NEROIAlignLayerKernel
+ *
+ */
+class NEROIAlignLayer : public INESimpleFunction
+{
+public:
+    /** Set the input and output tensors.
+     *
+     * @param[in]  input     Source tensor. Data types supported: F16/F32.
+     * @param[in]  rois      ROIs tensor, it is a 2D tensor of size [5, N] (where N is the number of ROIs) containing top left and bottom right corner
+     *                       as coordinate of an image and batch_id of ROI [ batch_id, x1, y1, x2, y2 ]. Data types supported: same as @p input
+     * @param[out] output    Destination tensor. Data types supported: Same as @p input.
+     * @param[in]  pool_info Contains pooling operation information described in @ref ROIPoolingLayerInfo.
+     *
+     * @note The x and y dimensions of @p output tensor must be the same as @p pool_info 's pooled
+     * width and pooled height.
+     * @note The z dimensions of @p output tensor and @p input tensor must be the same.
+     * @note The fourth dimension of @p output tensor must be the same as the number of elements in @p rois array.
+     */
+    void configure(const ITensor *input, const ITensor *rois, ITensor *output, const ROIPoolingLayerInfo &pool_info);
+    /** Static function to check if given info will lead to a valid configuration of @ref NEROIAlignLayer
+     *
+     * @param[in] input     Source tensor info. Data types supported: F16/F32.
+     * @param[in] rois      ROIs tensor info. Data types supported: same as @p input
+     * @param[in] output    Destination tensor info. Data types supported: Same as @p input.
+     * @param[in] pool_info Contains pooling operation information described in @ref ROIPoolingLayerInfo.
+     *
+     * @note The x and y dimensions of @p output tensor must be the same as @p pool_info 's pooled
+     * width and pooled height.
+     * @note The z dimensions of @p output tensor and @p input tensor must be the same.
+     * @note The fourth dimension of @p output tensor must be the same as the number of elements in @p rois array.
+     *
+     * @return a Status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *rois, ITensorInfo *output, const ROIPoolingLayerInfo &pool_info);
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_NEROIALIGNLAYER_H__ */