COMPMID-3637: Move utility headers from arm_compute to src

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: If9d6fa8c900b68c4b6fd373f2fc1f9abb83ea917
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4145
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/src/core/AccessWindowAutoPadding.h b/src/core/AccessWindowAutoPadding.h
new file mode 100644
index 0000000000..b8d1508679
--- /dev/null
+++ b/src/core/AccessWindowAutoPadding.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017-2020 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_ACCESS_WINDOW_AUTO_PADDING_H
+#define ARM_COMPUTE_ACCESS_WINDOW_AUTO_PADDING_H
+
+#include "arm_compute/core/Coordinates.h"
+#include "arm_compute/core/IAccessWindow.h"
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class Window;
+class ITensorInfo;
+
+/** Dummy access window.
+ *
+ * This implementation always uses the auto padding of the tensor info and
+ * never updates the window. The valid region is always set to cover the entire
+ * tensor.
+ *
+ * @note This access window is only used during the migration to the new
+ *       padding system. It will be removed once all kernels have been ported.
+ *
+ * */
+class AccessWindowAutoPadding : public IAccessWindow
+{
+public:
+    /** Default constructor.
+     *
+     * @param[in,out] info Tensor info of the accessed kernel.
+     */
+    AccessWindowAutoPadding(ITensorInfo *info);
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    AccessWindowAutoPadding(const AccessWindowAutoPadding &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    AccessWindowAutoPadding &operator=(const AccessWindowAutoPadding &) = delete;
+    /** Allow instances of this class to be move constructed */
+    AccessWindowAutoPadding(AccessWindowAutoPadding &&) = default;
+    /** Allow instances of this class to be moved */
+    AccessWindowAutoPadding &operator=(AccessWindowAutoPadding &&) = default;
+    /** Default destructor */
+    ~AccessWindowAutoPadding() = default;
+
+    /** Set the valid region to match the entire tensor. */
+    void set_valid_region();
+
+    /** Return a valid region that spans across the entire tensor.
+     *
+     * @return a valid region.
+     *
+     */
+    ValidRegion compute_valid_region() const;
+
+    // Inherited methods overridden:
+    bool update_window_if_needed(Window &window) const override;
+    bool update_padding_if_needed(const Window &window) override;
+    ValidRegion compute_valid_region(const Window &window, ValidRegion input_valid_region, bool border_undefined, BorderSize border_size) const override;
+
+private:
+    ITensorInfo *_info;
+};
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_ACCESS_WINDOW_AUTO_PADDING_H*/