88 lines
1.8 KiB
C++
88 lines
1.8 KiB
C++
/*
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* Copyright (C) 2018-2021 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include "shared/source/helpers/debug_helpers.h"
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#include <cstddef>
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#include <cstdint>
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#include <type_traits>
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template <typename T>
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struct Vec3 {
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static_assert(std::is_pod<T>::value);
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Vec3(T x, T y, T z) : x(x), y(y), z(z) {}
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Vec3(const Vec3 &v) : x(v.x), y(v.y), z(v.z) {}
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Vec3(const T *arr) {
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if (arr == nullptr) {
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x = y = z = 0;
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} else {
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x = arr[0];
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y = arr[1];
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z = arr[2];
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}
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}
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Vec3 &operator=(const Vec3 &arr) {
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x = arr.x;
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y = arr.y;
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z = arr.z;
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return *this;
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}
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Vec3<T> &operator=(const T arr[3]) {
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x = arr[0];
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y = arr[1];
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z = arr[2];
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return *this;
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}
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bool operator==(const Vec3<T> &vec) const {
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return ((x == vec.x) && (y == vec.y) && (z == vec.z));
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}
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bool operator!=(const Vec3<T> &vec) const {
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return !operator==(vec);
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}
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T &operator[](uint32_t i) {
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UNRECOVERABLE_IF(i > 2);
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return values[i];
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}
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T operator[](uint32_t i) const {
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UNRECOVERABLE_IF(i > 2);
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return values[i];
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}
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unsigned int getSimplifiedDim() const {
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if (z > 1) {
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return 3;
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}
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if (y > 1) {
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return 2;
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}
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if (x >= 1) {
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return 1;
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}
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return 0;
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}
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union {
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struct {
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T x, y, z;
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};
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T values[3];
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};
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};
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static_assert(offsetof(Vec3<size_t>, x) == offsetof(Vec3<size_t>, values[0]));
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static_assert(offsetof(Vec3<size_t>, y) == offsetof(Vec3<size_t>, values[1]));
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static_assert(offsetof(Vec3<size_t>, z) == offsetof(Vec3<size_t>, values[2]));
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