compute-runtime/shared/source/helpers/hw_walk_order.h

30 lines
1.2 KiB
C++

/*
* Copyright (C) 2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <array>
#include <cstdint>
namespace NEO {
namespace HwWalkOrderHelper {
//make sure table below matches Hardware Spec
inline constexpr uint32_t walkOrderPossibilties = 6u;
inline constexpr uint8_t X = 0;
inline constexpr uint8_t Y = 1;
inline constexpr uint8_t Z = 2;
inline constexpr std::array<uint8_t, 3> linearWalk = {X, Y, Z};
inline constexpr std::array<uint8_t, 3> yOrderWalk = {Y, X, Z};
inline constexpr std::array<uint8_t, 3> compatibleDimensionOrders[walkOrderPossibilties] = {linearWalk, // 0 1 2
{X, Z, Y}, // 0 2 1
yOrderWalk, // 1 0 2
{Z, X, Y}, // 1 2 0
{Y, Z, X}, // 2 0 1
{Z, Y, X}}; // 2 1 0
} // namespace HwWalkOrderHelper
} // namespace NEO