/*
 * Copyright (c) 2023 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 CKW_INCLUDE_CKW_TENSORSAMPLERTYPES_H
#define CKW_INCLUDE_CKW_TENSORSAMPLERTYPES_H

#include <cstdint>

namespace ckw
{

enum class TensorSamplerFormat : int32_t
{
    Unknown = 0,
    C_WH_1  = 1,
    C_W_H   = 2
};

enum class TensorSamplerAddressModeX : int32_t
{
    Unknown = 0,
    None    = 1, // The user guarantees that the X coordinate is always in-bound
    OverlappingMin =
        2 // (FIXED shapes only) Reduce the load/store length when x == 0 (MIN). The load length will be width % original length
    // Leftover elements can be handled using overlapping. This involves processing some of the elements in the array twice.
};

enum class TensorSamplerAddressModeY : int32_t
{
    Unknown = 0,
    None    = 1, // The user guarantees that the Y coordinate is always in-bound
    OverlappingMin =
        2, // (FIXED shapes only) Reduce the load/store length when x == 0 (MIN). The load length will be width % original length
    Skip = 3, // Skip the read/write
    SkipMinEdgeOnly =
        4, // Skip greater than or equal to max only. The user guarantees that the Y coordinate is always >= 0
    SkipMaxEdgeOnly    = 5, // Skip less than 0 only
    ClampToNearest     = 6, // Clamp the coordinate to nearest edge (0 or max value allowed on Y)
    ClampToMinEdgeOnly = 7, // Clamp the negative coordinate to 0 only. Therefore, we expect Y to be always < MAX
    ClampToMaxEdgeOnly = 8, // Clamp the coordinate to the max value allowed on Y only. We expect Y to be always >= 0
    ClampToBorder      = 9, // Clamp to border which always has 0 value
    ClampToBorderMinEdgeOnly = 10,
    ClampToBorderMaxEdgeOnly = 11
};

enum class TensorSamplerAddressModeZ : int32_t
{
    Unknown = 0,
    None    = 1, // The user guarantees that the Y coordinate is always in-bound
    Skip    = 3, // Skip the read/write
    SkipMinEdgeOnly =
        4, // Skip greater than or equal to max only. The user guarantees that the Y coordinate is always >= 0
    SkipMaxEdgeOnly    = 5, // Skip less than 0 only
    ClampToNearest     = 6, // Clamp the coordinate to nearest edge (0 or max value allowed on Y)
    ClampToMinEdgeOnly = 7, // Clamp the negative coordinate to 0 only. Therefore, we expect Y to be always < MAX
    ClampToMaxEdgeOnly = 8, // Clamp the coordinate to the max value allowed on Y only. We expect Y to be always >= 0
};

} // namespace ckw

#endif //CKW_INCLUDE_CKW_TENSORSAMPLERTYPES_H