COMPMID-1975: Update depthwise convolution.
Change-Id: Iad58672be35710a7ec2e918653d6d529709387e8
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/898
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
diff --git a/arm_compute/core/NEON/kernels/convolution/common/padding.hpp b/arm_compute/core/NEON/kernels/convolution/common/padding.hpp
new file mode 100644
index 0000000..33f77d7
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/convolution/common/padding.hpp
@@ -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.
+ */
+
+#pragma once
+
+#include <cstddef>
+
+// Utilities for copying tensor tiles and adding/removing padding.
+namespace padding
+{
+
+/* Copy a tile and apply padding to the output copy.
+ */
+template <typename T>
+void copy_and_pad_tile(
+ unsigned int tile_rows,
+ unsigned int tile_cols,
+ unsigned int n_channels,
+ const T *inptr,
+ unsigned int in_row_stride,
+ unsigned int in_col_stride,
+ T* outptr,
+ unsigned int out_row_stride,
+ unsigned int out_col_stride,
+ unsigned int pad_top,
+ unsigned int pad_left,
+ unsigned int pad_bottom,
+ unsigned int pad_right,
+ T pad_value=static_cast<T>(0)
+);
+
+/** Copy a tile and remove padding elements in the output.
+ */
+template <unsigned int TileRows, unsigned int TileCols>
+class CopyCropped
+{
+ public:
+ static void execute(
+ size_t size, // Amount of data to copy
+ const void *inptr,
+ size_t in_row_stride,
+ size_t in_col_stride,
+ void *outptr,
+ size_t out_row_stride,
+ size_t out_col_stride,
+ unsigned int pad_top,
+ unsigned int pad_left,
+ unsigned int pad_bottom,
+ unsigned int pad_right
+ );
+};
+
+}