COMPMID-3363: Create ScaleKernelInfo

NEScaleKernel and NEScale are modified to use the
new kernel descriptor.

Change-Id: I32e3e2a5209a38f5bf32c43f64b2aa4430825988
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3239
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

6 files changed, 174 insertions, 100 deletions

diff --git a/arm_compute/core/KernelDescriptors.h b/arm_compute/core/KernelDescriptors.h
index 6b4691bc83..de08288dec 100644
--- a/arm_compute/core/KernelDescriptors.h
+++ b/arm_compute/core/KernelDescriptors.h
@@ -24,6 +24,7 @@
 #ifndef ARM_COMPUTE_CORE_KERNEL_DESCRIPTORS_H
 #define ARM_COMPUTE_CORE_KERNEL_DESCRIPTORS_H
 
+#include "arm_compute/core/PixelValue.h"
 #include "arm_compute/core/Types.h"
 
 namespace arm_compute
@@ -168,5 +169,39 @@ struct GEMMLowpReductionKernelInfo
     int32_t scalar{ 0 };            /**< Scalar value to multiply each reduced column/row by */
     bool    mul_by_scalar{ false }; /**< True if each column/row reduction has to be multiplied by a scalar value */
 };
+
+struct ScaleKernelInfo
+{
+    /** Constructor
+     *
+     * @param[in] interpolation_policy  Interpolation type to use
+     * @param[in] border_mode           Border mode policy
+     * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT and use_padding is set to false. Defaults to default @ref PixelValue
+     * @param[in] sampling_policy       (Optional) Sampling policy used by the interpolation. Defaults to @ref SamplingPolicy::CENTER
+     * @param[in] use_padding           (Optional) Is padding in use or not. Defaults to true.
+     * @param[in] align_corners         (Optional) Align corners of input and output, only affecting bilinear policy with TOP_LEFT sampling policy. Defaults to false.
+     */
+    ScaleKernelInfo(InterpolationPolicy interpolation_policy,
+                    BorderMode          border_mode,
+                    PixelValue          constant_border_value = PixelValue(),
+                    SamplingPolicy      sampling_policy       = SamplingPolicy::CENTER,
+                    bool                use_padding           = true,
+                    bool                align_corners         = false)
+        : interpolation_policy{ interpolation_policy },
+          border_mode{ border_mode },
+          constant_border_value{ constant_border_value },
+          sampling_policy{ sampling_policy },
+          use_padding{ use_padding },
+          align_corners{ align_corners }
+    {
+    }
+
+    InterpolationPolicy interpolation_policy;  /**< Interpolation type to use */
+    BorderMode          border_mode;           /**< Border mode policy */
+    PixelValue          constant_border_value; /**< Constant value to use for constant border mode policy */
+    SamplingPolicy      sampling_policy;       /**< Sampling policy used by the interpolation. */
+    bool                use_padding;           /**< Indication of using padding */
+    bool                align_corners;         /**< Align corners of input and output */
+};
 } // namespace arm_compute
 #endif /* ARM_COMPUTE_CORE_KERNEL_DESCRIPTORS_H */
diff --git a/arm_compute/core/NEON/kernels/NEScaleKernel.h b/arm_compute/core/NEON/kernels/NEScaleKernel.h
index 0d0d457d51..9bc04129e0 100644
--- a/arm_compute/core/NEON/kernels/NEScaleKernel.h
+++ b/arm_compute/core/NEON/kernels/NEScaleKernel.h
@@ -24,8 +24,8 @@
 #ifndef ARM_COMPUTE_NESCALEKERNEL_H
 #define ARM_COMPUTE_NESCALEKERNEL_H
 
+#include "arm_compute/core/KernelDescriptors.h"
 #include "arm_compute/core/NEON/INEKernel.h"
-#include "arm_compute/core/Types.h"
 
 namespace arm_compute
 {
@@ -57,41 +57,29 @@ public:
      * @note dx, dy and offsets have the same dimensions (width and height) of the output tensor
      * @note Using @p policy Area only supports data layout NCHW and input data type U8.
      *
-     * @param[in]  input                 Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32.
-     * @param[in]  dx                    Pixel's distance between the X real coordinate and the smallest X following integer. Data type supported: F32
-     * @param[in]  dy                    Pixel's distance between the Y real coordinate and the smallest Y following integer. Data type supported: F32
-     * @param[in]  offsets               Offset to access the pixel with NEAREST interpolation or the top-left pixel with BILINEAR interpolation in the input tensor. Data type supported: S32.
-     * @param[out] output                Destination tensor. Data types supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
-     * @param[in]  policy                Interpolation type to use
-     * @param[in]  border_mode           Border mode policy
-     * @param[in]  constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT and use_padding is set to false.
-     * @param[in]  sampling_policy       (Optional) Sampling policy used by the interpolation. Defaults to @ref SamplingPolicy::CENTER
-     * @param[in]  use_padding           (Optional) Is padding in use or not. Defaults to true.
-     * @param[in]  align_corners         (Optional) Align corners of input and output, only affecting bilinear policy with TOP_LEFT sampling policy. Defaults to false.
+     * @param[in]  input   Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32.
+     * @param[in]  dx      Pixel's distance between the X real coordinate and the smallest X following integer. Data type supported: F32
+     * @param[in]  dy      Pixel's distance between the Y real coordinate and the smallest Y following integer. Data type supported: F32
+     * @param[in]  offsets Offset to access the pixel with NEAREST interpolation or the top-left pixel with BILINEAR interpolation in the input tensor. Data type supported: S32.
+     * @param[out] output  Destination tensor. Data types supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+     * @param[in]  info    @ref ScaleKernelInfo to use for configuration
      */
     void configure(const ITensor *input, const ITensor *dx, const ITensor *dy, const ITensor *offsets, ITensor *output,
-                   InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue(),
-                   SamplingPolicy sampling_policy = SamplingPolicy::CENTER, bool use_padding = true, bool align_corners = false);
+                   const ScaleKernelInfo &info);
     /** Static function to check if given info will lead to a valid configuration of @ref NEScaleKernel
      *
      * @note dx, dy and offsets have the same dimensions (width and height) of the output tensor
      * @note Using @p policy Area only supports data layout NCHW and input data type U8.
      *
-     * @param[in] input                 Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32.
-     * @param[in] dx                    Pixel's distance between the X real coordinate and the smallest X following integer. Data type supported: F32
-     * @param[in] dy                    Pixel's distance between the Y real coordinate and the smallest Y following integer. Data type supported: F32
-     * @param[in] offsets               Offset to access the pixel with NEAREST interpolation or the top-left pixel with BILINEAR interpolation in the input tensor. Data type supported: S32.
-     * @param[in] output                Destination tensor. Data types supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
-     * @param[in] policy                Interpolation type to use
-     * @param[in] border_mode           Border mode policy
-     * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT and use_padding is set to false.
-     * @param[in] sampling_policy       (Optional) Sampling policy used by the interpolation. Defaults to @ref SamplingPolicy::CENTER
-     * @param[in] use_padding           (Optional) Is padding in use or not. Defaults to true.
-     * @param[in] align_corners         (Optional) Align corners of input and output, only affecting bilinear policy with TOP_LEFT sampling policy. Defaults to false.
+     * @param[in] input   Source tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/U8/S16/F16/F32.
+     * @param[in] dx      Pixel's distance between the X real coordinate and the smallest X following integer. Data type supported: F32
+     * @param[in] dy      Pixel's distance between the Y real coordinate and the smallest Y following integer. Data type supported: F32
+     * @param[in] offsets Offset to access the pixel with NEAREST interpolation or the top-left pixel with BILINEAR interpolation in the input tensor. Data type supported: S32.
+     * @param[in] output  Destination tensor. Data types supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+     * @param[in] info    @ref ScaleKernelInfo to use for validation
      */
     static Status validate(const ITensorInfo *input, const ITensorInfo *dx, const ITensorInfo *dy, const ITensorInfo *offsets, ITensorInfo *output,
-                           InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue(),
-                           SamplingPolicy sampling_policy = SamplingPolicy::CENTER, bool use_padding = true, bool align_corners = false);
+                           const ScaleKernelInfo &info);
 
     // Inherited methods overridden:
     void run(const Window &window, const ThreadInfo &info) override;
diff --git a/arm_compute/runtime/NEON/functions/NEScale.h b/arm_compute/runtime/NEON/functions/NEScale.h
index 75acb96b55..5350d0646c 100644
--- a/arm_compute/runtime/NEON/functions/NEScale.h
+++ b/arm_compute/runtime/NEON/functions/NEScale.h
@@ -58,6 +58,13 @@ public:
      */
     void configure(ITensor *input, ITensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue(),
                    SamplingPolicy sampling_policy = SamplingPolicy::CENTER, bool use_padding = true, bool align_corners = false);
+    /** Initialize the function's source, destination, interpolation type and border_mode.
+     *
+     * @param[in, out] input  Source tensor. Data type supported: U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED)
+     * @param[out]     output Destination tensor. Data type supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+     * @param[in]      info   @ref ScaleKernelInfo to be used for configuration
+     */
+    void configure(ITensor *input, ITensor *output, const ScaleKernelInfo &info);
     /** Static function to check if given info will lead to a valid configuration of @ref NEScale
      *
      * @param[in] input                 Source tensor. Data type supported: U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED)
@@ -73,6 +80,15 @@ public:
      */
     static Status validate(const ITensorInfo *input, const ITensorInfo *output, InterpolationPolicy policy, BorderMode border_mode,
                            PixelValue constant_border_value = PixelValue(), SamplingPolicy sampling_policy = SamplingPolicy::CENTER, bool use_padding = true, bool align_corners = false);
+    /** Static function to check if given info will lead to a valid configuration of @ref NEScale
+     *
+     * @param[in] input  Source tensor. Data type supported: U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED)
+     * @param[in] output Destination tensor. Data type supported: Same as @p input. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+     * @param[in] info   @ref ScaleKernelInfo to be used for validation
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ScaleKernelInfo &info);
 
     // Inherited methods overridden:
     void run() override;
diff --git a/src/core/NEON/kernels/NEScaleKernel.cpp b/src/core/NEON/kernels/NEScaleKernel.cpp
index 4f2f925c3c..763ad49cb7 100644
--- a/src/core/NEON/kernels/NEScaleKernel.cpp
+++ b/src/core/NEON/kernels/NEScaleKernel.cpp
@@ -37,17 +37,16 @@ namespace arm_compute
 namespace
 {
 Status validate_arguments(const ITensorInfo *input, const ITensorInfo *dx, const ITensorInfo *dy,
-                          const ITensorInfo *offsets, ITensorInfo *output, InterpolationPolicy policy,
-                          BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy, bool use_padding, bool align_corners)
+                          const ITensorInfo *offsets, ITensorInfo *output, const ScaleKernelInfo &info)
 {
     ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input);
     ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S16, DataType::F16, DataType::F32, DataType::QASYMM8, DataType::QASYMM8_SIGNED);
     ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(output);
     ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
     ARM_COMPUTE_RETURN_ERROR_ON(output == input);
-    ARM_COMPUTE_RETURN_ERROR_ON(sampling_policy != SamplingPolicy::CENTER && sampling_policy != SamplingPolicy::TOP_LEFT);
-    ARM_COMPUTE_RETURN_ERROR_ON(!use_padding && border_mode != BorderMode::CONSTANT);
-    ARM_COMPUTE_UNUSED(constant_border_value);
+    ARM_COMPUTE_RETURN_ERROR_ON(info.sampling_policy != SamplingPolicy::CENTER && info.sampling_policy != SamplingPolicy::TOP_LEFT);
+    ARM_COMPUTE_RETURN_ERROR_ON(!info.use_padding && info.border_mode != BorderMode::CONSTANT);
+    ARM_COMPUTE_UNUSED(info.constant_border_value);
 
     const DataLayout data_layout   = input->data_layout();
     const auto       width_index   = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH);
@@ -57,18 +56,18 @@ Status validate_arguments(const ITensorInfo *input, const ITensorInfo *dx, const
     ARM_COMPUTE_RETURN_ERROR_ON(output_width == 0);
     ARM_COMPUTE_RETURN_ERROR_ON(output_height == 0);
 
-    if(policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+    if(info.interpolation_policy == InterpolationPolicy::NEAREST_NEIGHBOR)
     {
         ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(offsets, 1, DataType::S32);
     }
 
-    if(policy == InterpolationPolicy::BILINEAR)
+    if(info.interpolation_policy == InterpolationPolicy::BILINEAR)
     {
         ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(offsets, 1, DataType::S32);
         ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(dx, 1, DataType::F32);
         ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(dy, 1, DataType::F32);
 
-        if(align_corners)
+        if(info.align_corners)
         {
             // For bilinear method with aligned corners, the resize ratio will
             // be calculated by (input_size - 1)/(output_size - 1). Belows are
@@ -81,7 +80,7 @@ Status validate_arguments(const ITensorInfo *input, const ITensorInfo *dx, const
         }
     }
 
-    if(policy == InterpolationPolicy::AREA)
+    if(info.interpolation_policy == InterpolationPolicy::AREA)
     {
         ARM_COMPUTE_RETURN_ERROR_ON(data_layout != DataLayout::NCHW);
         ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
@@ -91,7 +90,7 @@ Status validate_arguments(const ITensorInfo *input, const ITensorInfo *dx, const
 }
 
 std::pair<Status, Window> validate_and_configure_window_nchw(ITensorInfo *input, ITensorInfo *dx, ITensorInfo *dy, ITensorInfo *offsets, ITensorInfo *output,
-                                                             InterpolationPolicy policy, bool border_undefined, SamplingPolicy sampling_policy, BorderSize border_size)
+                                                             const ScaleKernelInfo &info, BorderSize border_size)
 {
     bool   window_changed{ false };
     Window win{};
@@ -123,30 +122,28 @@ std::pair<Status, Window> validate_and_configure_window_nchw(ITensorInfo *input,
     AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration);
     window_changed = window_changed || update_window_and_padding(win, input_access, output_access);
     output_access.set_valid_region(win, calculate_valid_region_scale(*input, output->tensor_shape(),
-                                                                     policy, sampling_policy, border_undefined));
+                                                                     info.interpolation_policy, info.sampling_policy, info.border_mode == BorderMode::UNDEFINED));
 
     Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{};
     return std::make_pair(err, win);
 }
 
-std::pair<Status, Window> validate_and_configure_window_nhwc(ITensorInfo *input, ITensorInfo *output,
-                                                             InterpolationPolicy policy, bool border_undefined,
-                                                             SamplingPolicy sampling_policy, BorderSize border_size, bool use_padding)
+std::pair<Status, Window> validate_and_configure_window_nhwc(ITensorInfo *input, ITensorInfo *output, const ScaleKernelInfo &info, BorderSize border_size)
 {
     bool   window_changed{ false };
     Window win{};
 
-    const unsigned int num_elems_processed_per_iteration = (use_padding && policy == InterpolationPolicy::NEAREST_NEIGHBOR) ? 16 / input->element_size() : 1;
+    const unsigned int num_elems_processed_per_iteration = (info.use_padding && info.interpolation_policy == InterpolationPolicy::NEAREST_NEIGHBOR) ? 16 / input->element_size() : 1;
 
     // Configure kernel window
     win = calculate_max_window(*output, Steps(num_elems_processed_per_iteration));
 
-    if(use_padding)
+    if(info.use_padding)
     {
         AccessWindowStatic     input_access(input, 0, -border_size.top, ceil_to_multiple(input->tensor_shape()[0], num_elems_processed_per_iteration), input->tensor_shape()[1]);
         AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration);
         window_changed = update_window_and_padding(win, input_access, output_access);
-        output->set_valid_region(calculate_valid_region_scale(*input, output->tensor_shape(), policy, sampling_policy, border_undefined));
+        output->set_valid_region(calculate_valid_region_scale(*input, output->tensor_shape(), info.interpolation_policy, info.sampling_policy, info.border_mode == BorderMode::UNDEFINED));
     }
 
     Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{};
@@ -154,20 +151,20 @@ std::pair<Status, Window> validate_and_configure_window_nhwc(ITensorInfo *input,
 }
 
 std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *dx, ITensorInfo *dy, ITensorInfo *offsets, ITensorInfo *output,
-                                                        InterpolationPolicy policy, bool border_undefined, SamplingPolicy sampling_policy, BorderSize border_size, bool use_padding)
+                                                        const ScaleKernelInfo &info, BorderSize border_size)
 {
     std::pair<Status, Window> win_config;
     switch(input->data_layout())
     {
         case DataLayout::NCHW:
-            if(!use_padding)
+            if(!info.use_padding)
             {
                 return std::make_pair(ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Padding required for NCHW"), Window{});
             }
-            win_config = validate_and_configure_window_nchw(input, dx, dy, offsets, output, policy, border_undefined, sampling_policy, border_size);
+            win_config = validate_and_configure_window_nchw(input, dx, dy, offsets, output, info, border_size);
             break;
         case DataLayout::NHWC:
-            win_config = validate_and_configure_window_nhwc(input, output, policy, border_undefined, sampling_policy, border_size, use_padding);
+            win_config = validate_and_configure_window_nhwc(input, output, info, border_size);
             break;
         default:
             win_config = std::make_pair(ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Unsupported data layout!"), Window{});
@@ -353,8 +350,7 @@ BorderSize NEScaleKernel::border_size() const
 }
 
 void NEScaleKernel::configure(const ITensor *input, const ITensor *dx, const ITensor *dy, const ITensor *offsets,
-                              ITensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy,
-                              bool use_padding, bool align_corners)
+                              ITensor *output, const ScaleKernelInfo &info)
 {
     ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
     // Perform validation step
@@ -363,7 +359,7 @@ void NEScaleKernel::configure(const ITensor *input, const ITensor *dx, const ITe
                                                   dy != nullptr ? dy->info() : nullptr,
                                                   offsets != nullptr ? offsets->info() : nullptr,
                                                   output->info(),
-                                                  policy, border_mode, constant_border_value, sampling_policy, use_padding, align_corners));
+                                                  info));
 
     // Get data layout and width/height indices
     const DataLayout data_layout = input->info()->data_layout();
@@ -375,16 +371,16 @@ void NEScaleKernel::configure(const ITensor *input, const ITensor *dx, const ITe
     _offsets               = offsets;
     _dx                    = dx;
     _dy                    = dy;
-    _policy                = policy;
+    _policy                = info.interpolation_policy;
     _border_size           = BorderSize(1);
-    _border_mode           = border_mode;
-    _constant_border_value = constant_border_value;
-    _use_padding           = use_padding;
-    _align_corners         = _policy == InterpolationPolicy::BILINEAR
-                             && sampling_policy == SamplingPolicy::TOP_LEFT
-                             && align_corners;
-
-    if(sampling_policy == SamplingPolicy::CENTER)
+    _border_mode           = info.border_mode;
+    _constant_border_value = info.constant_border_value;
+    _use_padding           = info.use_padding;
+    _align_corners         = info.interpolation_policy == InterpolationPolicy::BILINEAR
+                             && info.sampling_policy == SamplingPolicy::TOP_LEFT
+                             && info.align_corners;
+
+    if(info.sampling_policy == SamplingPolicy::CENTER)
     {
         _sampling_offset = 0.5f;
     }
@@ -396,17 +392,14 @@ void NEScaleKernel::configure(const ITensor *input, const ITensor *dx, const ITe
     // Add constant border only on top in case of NHWC layout
     if(data_layout == DataLayout::NHWC)
     {
-        _border_size = (border_mode != BorderMode::REPLICATE && policy == InterpolationPolicy::BILINEAR && use_padding) ? BorderSize(1, 0, 0, 0) : BorderSize(0);
+        _border_size = (info.border_mode != BorderMode::REPLICATE && info.interpolation_policy == InterpolationPolicy::BILINEAR && info.use_padding) ? BorderSize(1, 0, 0, 0) : BorderSize(0);
     }
 
     // Area interpolation behaves as Nearest Neighbour in case of up-sampling
-    if(policy == InterpolationPolicy::AREA && wr <= 1.f && hr <= 1.f)
-    {
-        policy = InterpolationPolicy::NEAREST_NEIGHBOR;
-    }
+    const auto policy_to_use = (info.interpolation_policy == InterpolationPolicy::AREA && wr <= 1.f && hr <= 1.f) ? InterpolationPolicy::NEAREST_NEIGHBOR : _policy;
 
     // Select interpolation function
-    switch(policy)
+    switch(policy_to_use)
     {
         case InterpolationPolicy::NEAREST_NEIGHBOR:
         {
@@ -433,7 +426,7 @@ void NEScaleKernel::configure(const ITensor *input, const ITensor *dx, const ITe
                                                                          dy != nullptr ? dy->info() : nullptr,
                                                                          offsets != nullptr ? offsets->info() : nullptr,
                                                                          output->info(),
-                                                                         policy, border_mode == BorderMode::UNDEFINED, sampling_policy, border_size(), use_padding);
+                                                                         info, border_size());
 
     ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
     INEKernel::configure(win_config.second);
@@ -1113,22 +1106,21 @@ void NEScaleKernel::scale_nhwc(const Window &window)
 }
 
 Status NEScaleKernel::validate(const ITensorInfo *input, const ITensorInfo *dx, const ITensorInfo *dy,
-                               const ITensorInfo *offsets, ITensorInfo *output, InterpolationPolicy policy,
-                               BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy, bool use_padding, bool align_corners)
+                               const ITensorInfo *offsets, ITensorInfo *output, const ScaleKernelInfo &info)
 {
     BorderSize border_size(1);
     if(input->data_layout() == DataLayout::NHWC)
     {
-        border_size = (border_mode == BorderMode::CONSTANT && policy == InterpolationPolicy::BILINEAR) ? BorderSize(1, 0, 0, 0) : BorderSize(0);
+        border_size = (info.border_mode == BorderMode::CONSTANT && info.interpolation_policy == InterpolationPolicy::BILINEAR) ? BorderSize(1, 0, 0, 0) : BorderSize(0);
     }
 
-    ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, dx, dy, offsets, output, policy, border_mode, constant_border_value, sampling_policy, use_padding, align_corners));
+    ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, dx, dy, offsets, output, info));
     ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(),
                                                               dx != nullptr ? dx->clone().get() : nullptr,
                                                               dy != nullptr ? dy->clone().get() : nullptr,
                                                               offsets != nullptr ? offsets->clone().get() : nullptr,
                                                               output->clone().get(),
-                                                              policy, border_mode == BorderMode::UNDEFINED, sampling_policy, border_size, use_padding)
+                                                              info, border_size)
                                 .first);
 
     return Status{};
diff --git a/src/runtime/NEON/functions/NEScale.cpp b/src/runtime/NEON/functions/NEScale.cpp
index f1e9a87b36..acde0cfcc5 100644
--- a/src/runtime/NEON/functions/NEScale.cpp
+++ b/src/runtime/NEON/functions/NEScale.cpp
@@ -102,16 +102,15 @@ NEScale::NEScale() // NOLINT
 {
 }
 
-void NEScale::configure(ITensor *input, ITensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy, bool use_padding,
-                        bool align_corners)
+void NEScale::configure(ITensor *input, ITensor *output, const ScaleKernelInfo &info)
 {
     ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
-    ARM_COMPUTE_ERROR_THROW_ON(NEScale::validate(input->info(), output->info(), policy, border_mode, constant_border_value, sampling_policy, use_padding));
+    ARM_COMPUTE_ERROR_THROW_ON(NEScale::validate(input->info(), output->info(), info));
 
-    _use_padding   = use_padding;
-    _align_corners = policy == InterpolationPolicy::BILINEAR
-                     && sampling_policy == SamplingPolicy::TOP_LEFT
-                     && align_corners;
+    _use_padding   = info.use_padding;
+    _align_corners = info.interpolation_policy == InterpolationPolicy::BILINEAR
+                     && info.sampling_policy == SamplingPolicy::TOP_LEFT
+                     && info.align_corners;
 
     // Get data layout and width/height indices
     const DataLayout data_layout = input->info()->data_layout();
@@ -129,25 +128,22 @@ void NEScale::configure(ITensor *input, ITensor *output, InterpolationPolicy pol
     const size_t input_element_size = input->info()->element_size();
 
     // Area interpolation behaves as Nearest Neighbour in case of up-sampling
-    if(policy == InterpolationPolicy::AREA && wr <= 1.f && hr <= 1.f)
-    {
-        policy = InterpolationPolicy::NEAREST_NEIGHBOR;
-    }
+    const auto policy_to_use = (info.interpolation_policy == InterpolationPolicy::AREA && wr <= 1.f && hr <= 1.f) ? InterpolationPolicy::NEAREST_NEIGHBOR : info.interpolation_policy;
 
-    switch(policy)
+    switch(policy_to_use)
     {
         case InterpolationPolicy::NEAREST_NEIGHBOR:
         {
             TensorInfo tensor_info_offsets(shape, Format::S32);
             _offsets.allocator()->init(tensor_info_offsets);
 
-            _scale_kernel.configure(input, nullptr, nullptr, &_offsets, output, policy, border_mode, constant_border_value, sampling_policy, use_padding);
+            _scale_kernel.configure(input, nullptr, nullptr, &_offsets, output, info);
 
             // Allocate once the configure methods have been called
             _offsets.allocator()->allocate();
 
             // Pre-compute offsets for nearest interpolation
-            precompute_dx_dy_offsets(nullptr, nullptr, &_offsets, wr, hr, input_element_size, sampling_policy);
+            precompute_dx_dy_offsets(nullptr, nullptr, &_offsets, wr, hr, input_element_size, info.sampling_policy);
             break;
         }
         case InterpolationPolicy::BILINEAR:
@@ -159,7 +155,7 @@ void NEScale::configure(ITensor *input, ITensor *output, InterpolationPolicy pol
             _dx.allocator()->init(tensor_info_dxdy);
             _dy.allocator()->init(tensor_info_dxdy);
 
-            _scale_kernel.configure(input, &_dx, &_dy, &_offsets, output, policy, border_mode, constant_border_value, sampling_policy, use_padding, align_corners);
+            _scale_kernel.configure(input, &_dx, &_dy, &_offsets, output, info);
 
             // Allocate once the configure methods have been called
             _offsets.allocator()->allocate();
@@ -167,29 +163,33 @@ void NEScale::configure(ITensor *input, ITensor *output, InterpolationPolicy pol
             _dy.allocator()->allocate();
 
             // Pre-compute dx, dy and offsets for bilinear interpolation
-            precompute_dx_dy_offsets(&_dx, &_dy, &_offsets, wr, hr, input_element_size, sampling_policy);
+            precompute_dx_dy_offsets(&_dx, &_dy, &_offsets, wr, hr, input_element_size, info.sampling_policy);
             break;
         }
         case InterpolationPolicy::AREA:
         {
-            _scale_kernel.configure(input, nullptr, nullptr, nullptr, output, policy, border_mode, constant_border_value);
+            _scale_kernel.configure(input, nullptr, nullptr, nullptr, output, info);
             break;
         }
         default:
             ARM_COMPUTE_ERROR("Unsupported interpolation mode");
     }
-    if(use_padding)
+    if(info.use_padding)
     {
-        _border_handler.configure(input, _scale_kernel.border_size(), border_mode, constant_border_value);
+        _border_handler.configure(input, _scale_kernel.border_size(), info.border_mode, info.constant_border_value);
     }
 }
 
-Status NEScale::validate(const ITensorInfo *input, const ITensorInfo *output, InterpolationPolicy policy,
-                         BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy, bool use_padding, bool align_corners)
+void NEScale::configure(ITensor *input, ITensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy, bool use_padding,
+                        bool align_corners)
+{
+    configure(input, output, ScaleKernelInfo{ policy, border_mode, constant_border_value, sampling_policy, use_padding, align_corners });
+}
+
+Status NEScale::validate(const ITensorInfo *input, const ITensorInfo *output, const ScaleKernelInfo &info)
 {
     ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output);
-    ARM_COMPUTE_RETURN_ERROR_ON(sampling_policy != SamplingPolicy::CENTER && sampling_policy != SamplingPolicy::TOP_LEFT);
-    ARM_COMPUTE_UNUSED(border_mode, constant_border_value);
+    ARM_COMPUTE_RETURN_ERROR_ON(info.sampling_policy != SamplingPolicy::CENTER && info.sampling_policy != SamplingPolicy::TOP_LEFT);
 
     ITensorInfo *offsets = nullptr;
     ITensorInfo *dx      = nullptr;
@@ -207,7 +207,7 @@ Status NEScale::validate(const ITensorInfo *input, const ITensorInfo *output, In
     TensorInfo tensor_info_dx(shape, Format::F32);
     TensorInfo tensor_info_dy(shape, Format::F32);
 
-    switch(policy)
+    switch(info.interpolation_policy)
     {
         case InterpolationPolicy::NEAREST_NEIGHBOR:
             offsets = &tensor_info_offsets;
@@ -221,8 +221,14 @@ Status NEScale::validate(const ITensorInfo *input, const ITensorInfo *output, In
             break;
     }
 
-    ARM_COMPUTE_RETURN_ON_ERROR(NEScaleKernel::validate(input->clone().get(), dx, dy, offsets, output->clone().get(),
-                                                        policy, border_mode, constant_border_value, sampling_policy, use_padding, align_corners));
+    ARM_COMPUTE_RETURN_ON_ERROR(NEScaleKernel::validate(input->clone().get(), dx, dy, offsets, output->clone().get(), info));
+    return Status{};
+}
+
+Status NEScale::validate(const ITensorInfo *input, const ITensorInfo *output, InterpolationPolicy policy,
+                         BorderMode border_mode, PixelValue constant_border_value, SamplingPolicy sampling_policy, bool use_padding, bool align_corners)
+{
+    ARM_COMPUTE_RETURN_ON_ERROR(NEScale::validate(input, output, ScaleKernelInfo{ policy, border_mode, constant_border_value, sampling_policy, use_padding, align_corners }));
     return Status{};
 }
 
diff --git a/tests/validation/NEON/Scale.cpp b/tests/validation/NEON/Scale.cpp
index 82ab666d4a..9ab169b251 100644
--- a/tests/validation/NEON/Scale.cpp
+++ b/tests/validation/NEON/Scale.cpp
@@ -230,6 +230,15 @@ TEST_SUITE(Validate)
  * the kernel are not currently tested.
  * - The same input and output
  * - Data type of offset, dx and dy
+ * This suite also tests two different validate() APIs - one is
+ * using @ref ScaleKernelInfo and the other one is more verbose
+ * one calls the other one - in the same test case. Even though
+ * there are possibility that it makes debugging for regression
+ * harder, belows are reasons of this test case implementation.
+ * - The more verbose one is just a wrapper function calls
+ *   the other one without any additional logic. So we are
+ *   safe to merge two tests into one.
+ * - A large amount of code duplication is test suite can be prevented.
  */
 
 const auto input_shape  = TensorShape{ 2, 3, 3, 2 };
@@ -252,9 +261,15 @@ TEST_CASE(NullPtr, framework::DatasetMode::ALL)
     result = NEScale::validate(nullptr, &output, default_interpolation_policy, default_border_mode);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
 
+    result = NEScale::validate(nullptr, &output, ScaleKernelInfo{ default_interpolation_policy, default_border_mode });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+
     // nullptr is given as output
     result = NEScale::validate(&input, nullptr, default_interpolation_policy, default_border_mode);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+
+    result = NEScale::validate(&input, nullptr, ScaleKernelInfo{ default_interpolation_policy, default_border_mode });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
 }
 
 TEST_CASE(SupportDataType, framework::DatasetMode::ALL)
@@ -290,7 +305,11 @@ TEST_CASE(SupportDataType, framework::DatasetMode::ALL)
     {
         const auto input  = TensorInfo{ input_shape, 1, kv.first, default_data_layout };
         const auto output = TensorInfo{ output_shape, 1, kv.first, default_data_layout };
-        result            = NEScale::validate(&input, &output, default_interpolation_policy, default_border_mode);
+
+        result = NEScale::validate(&input, &output, default_interpolation_policy, default_border_mode);
+        ARM_COMPUTE_EXPECT(bool(result) == kv.second, framework::LogLevel::ERRORS);
+
+        result = NEScale::validate(&input, &output, ScaleKernelInfo{ default_interpolation_policy, default_border_mode });
         ARM_COMPUTE_EXPECT(bool(result) == kv.second, framework::LogLevel::ERRORS);
     }
 }
@@ -302,8 +321,12 @@ TEST_CASE(MissmatchingDataType, framework::DatasetMode::ALL)
     const auto input  = TensorInfo{ input_shape, 1, default_data_type, default_data_layout };
     const auto output = TensorInfo{ output_shape, 1, non_default_data_type, default_data_layout };
     Status     result{};
+
     result = NEScale::validate(&input, &output, default_interpolation_policy, default_border_mode);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+
+    result = NEScale::validate(&input, &output, ScaleKernelInfo{ default_interpolation_policy, default_border_mode });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
 }
 
 TEST_CASE(UsePadding, framework::DatasetMode::ALL)
@@ -318,6 +341,9 @@ TEST_CASE(UsePadding, framework::DatasetMode::ALL)
 
     result = NEScale::validate(&input, &output, default_interpolation_policy, border_mode, PixelValue(), default_sampling_policy, use_padding);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+
+    result = NEScale::validate(&input, &output, ScaleKernelInfo{ default_interpolation_policy, border_mode, PixelValue(), default_sampling_policy, use_padding });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
 }
 
 TEST_CASE(AreaWithNHWC, framework::DatasetMode::ALL)
@@ -329,8 +355,12 @@ TEST_CASE(AreaWithNHWC, framework::DatasetMode::ALL)
     const auto input  = TensorInfo{ input_shape, 1, default_data_type, data_layout };
     const auto output = TensorInfo{ output_shape, 1, default_data_type, data_layout };
     Status     result{};
+
     result = NEScale::validate(&input, &output, interpolation_policy, default_border_mode);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+
+    result = NEScale::validate(&input, &output, ScaleKernelInfo{ interpolation_policy, default_border_mode });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
 }
 
 TEST_CASE(AreaWithNonU8, framework::DatasetMode::ALL)
@@ -343,8 +373,12 @@ TEST_CASE(AreaWithNonU8, framework::DatasetMode::ALL)
     const auto input  = TensorInfo{ input_shape, 1, data_type, data_layout };
     const auto output = TensorInfo{ output_shape, 1, data_type, data_layout };
     Status     result{};
+
     result = NEScale::validate(&input, &output, interpolation_policy, default_border_mode);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+
+    result = NEScale::validate(&input, &output, ScaleKernelInfo{ interpolation_policy, default_border_mode });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
 }
 
 TEST_CASE(InvalidAlignedCornerOutput, framework::DatasetMode::ALL)
@@ -359,10 +393,13 @@ TEST_CASE(InvalidAlignedCornerOutput, framework::DatasetMode::ALL)
     const auto input  = TensorInfo{ input_shape, 1, default_data_type, default_data_layout };
     const auto output = TensorInfo{ invalid_output_shape, 1, default_data_type, default_data_layout };
     Status     result{};
+
     result = NEScale::validate(&input, &output, interpolation_policy, default_border_mode, PixelValue(), sampling_policy, default_use_padding, align_corners);
     ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
-}
 
+    result = NEScale::validate(&input, &output, ScaleKernelInfo{ interpolation_policy, default_border_mode, PixelValue(), sampling_policy, default_use_padding, align_corners });
+    ARM_COMPUTE_EXPECT(bool(result) == false, framework::LogLevel::ERRORS);
+}
 TEST_SUITE_END() // Validate
 
 template <typename T>