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/*
* 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_TYPES_TENSORSAMPLERTYPES_H
#define CKW_INCLUDE_CKW_TYPES_TENSORSAMPLERTYPES_H
#include <cstdint>
namespace ckw
{
// This enum class defines how the dimensions of a 3d tensor is mapped into x,y and z coordianates.
enum class TensorSamplerFormat : int32_t
{
Unknown = 0,
Dim0_Dim1xDim2_1 = 1, // Original dimensions 1 and 2 are collapsed onto y-axis
Dim0_Dim1_Dim2 = 2 // Original dimensions stays as they're defined. No collapsing.
};
/** Tensor sampler address mode enum class for X dimension
*
* The following address modes are available in total:
* Unknown
* None : The user guarantees that the coordinate is always in-bound
* OverlappingMin : (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.
* ClampToBorderMaxOnly : Clamp to max value allowed in the corresponding dimension, and construct an if/else guard to prevent out of bound access,
* e.g. if( y < size-of-dimension-y ){ <do the operation> }
* SkipLessThanZero : Skip loading/storing if the index is less than 0
*
* Individual dimensions choose which adddress mode to implement in their respective enum classes.
*/
enum class TensorSamplerAddressModeX : int32_t
{
Unknown = 0,
None = 1,
OverlappingMin = 2
};
/**
* Similar to @ref TensorSamplerAddressModeX
*/
enum class TensorSamplerAddressModeY : int32_t
{
Unknown = 0,
None = 1,
OverlappingMin = 2,
ClampToBorderMaxOnly = 3,
SkipLessThanZero = 4
};
/**
* Similar to @ref TensorSamplerAddressModeX
*/
enum class TensorSamplerAddressModeZ : int32_t
{
Unknown = 0,
None = 1,
};
} // namespace ckw
#endif // CKW_INCLUDE_CKW_TYPES_TENSORSAMPLERTYPES_H
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