COMPMID-1843: Implement NECrop

Change-Id: I27e8b1a00c2315c72106e8e596f84ad48fb770e3
Signed-off-by: George Wort <george.wort@arm.com>
Reviewed-on: https://review.mlplatform.org/c/648
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>

1 files changed, 28 insertions, 18 deletions

diff --git a/arm_compute/core/NEON/kernels/NEScaleKernel.h b/arm_compute/core/NEON/kernels/NEScaleKernel.h
index 83d99643dc..b132bb57b6 100644
--- a/arm_compute/core/NEON/kernels/NEScaleKernel.h
+++ b/arm_compute/core/NEON/kernels/NEScaleKernel.h
@@ -55,33 +55,41 @@ public:
     /** Initialise the kernel's inputs, output and interpolation policy
      *
      * @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: 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]  sampling_policy (Optional) Sampling policy used by the interpolation. Defaults to @ref SamplingPolicy::CENTER
+     * @param[in]  input                 Source tensor. Data types supported: 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.
      */
     void configure(const ITensor *input, const ITensor *dx, const ITensor *dy, const ITensor *offsets, ITensor *output,
-                   InterpolationPolicy policy, BorderMode border_mode, SamplingPolicy sampling_policy = SamplingPolicy::CENTER);
+                   InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue(),
+                   SamplingPolicy sampling_policy = SamplingPolicy::CENTER, bool use_padding = true);
     /** 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: 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] sampling_policy (Optional) Sampling policy used by the interpolation. Defaults to @ref SamplingPolicy::CENTER
+     * @param[in] input                 Source tensor. Data types supported: 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.
      */
     static Status validate(const ITensorInfo *input, const ITensorInfo *dx, const ITensorInfo *dy, const ITensorInfo *offsets, ITensorInfo *output,
-                           InterpolationPolicy policy, BorderMode border_mode, SamplingPolicy sampling_policy = SamplingPolicy::CENTER);
+                           InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue(),
+                           SamplingPolicy sampling_policy = SamplingPolicy::CENTER, bool use_padding = true);
 
     // Inherited methods overridden:
     void run(const Window &window, const ThreadInfo &info) override;
@@ -110,7 +118,9 @@ private:
     InterpolationPolicy _policy;
     BorderSize          _border_size;
     BorderMode          _border_mode;
+    PixelValue          _constant_border_value;
     float               _sampling_offset;
+    bool                _use_padding;
 };
 } // namespace arm_compute
 #endif /*__ARM_COMPUTE_NESCALEKERNEL_H__ */