glam_det 2.0.0

A simple and fast 3D math library for games and graphics.
Documentation
// Copyright (C) 2020-2025 glam-det authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Generated from vec_mask.rs.tera template. Edit the template, not the generated file.

#[cfg(not(target_arch = "spirv"))]
use core::fmt;
use core::{hash, ops::*};

use core::arch::wasm32::*;

/// A 3-dimensional SIMD vector mask.
///
/// This type is 16 byte aligned and is backed by a SIMD vector. If SIMD is not available
/// `BVec3A` will be a type alias for `BVec3`.
#[derive(Clone, Copy)]
#[repr(transparent)]
pub struct BVec3A(pub(crate) v128);

const MASK: [u32; 2] = [0, 0xff_ff_ff_ff];

const FALSE: BVec3A = BVec3A::new(false, false, false);

impl BVec3A {
    /// Creates a new vector mask.
    #[inline]
    pub const fn new(x: bool, y: bool, z: bool) -> Self {
        Self(u32x4(
            MASK[x as usize],
            MASK[y as usize],
            MASK[z as usize],
            0,
        ))
    }

    /// Returns a bitmask with the lowest 3 bits set from the elements of `self`.
    ///
    /// A true element results in a `1` bit and a false element in a `0` bit.  Element `x` goes
    /// into the first lowest bit, element `y` into the second, etc.
    #[inline]
    pub fn bitmask(self) -> u32 {
        (u32x4_bitmask(self.0) & 0x7) as u32
    }

    #[inline]
    pub fn from_bitmask(m: u32) -> Self {
        glam_assert!(!((1u32 << 3) - 1) & m == 0x0);
        let x = m & 0x1 == 0x1;
        let y = (m >> 1) & 0x1 == 0x1;
        let z = (m >> 2) & 0x1 == 0x1;
        Self::new(x, y, z)
    }

    /// Returns true if any of the elements are true, false otherwise.
    #[inline]
    pub fn any(self) -> bool {
        (u32x4_bitmask(self.0) & 0x7) != 0
    }

    /// Returns true if all the elements are true, false otherwise.
    #[inline]
    pub fn all(self) -> bool {
        (u32x4_bitmask(self.0) & 0x7) == 0x7
    }

    #[inline]
    fn into_bool_array(self) -> [bool; 3] {
        let bitmask = self.bitmask();
        [(bitmask & 1) != 0, (bitmask & 2) != 0, (bitmask & 4) != 0]
    }

    #[inline]
    fn into_u32_array(self) -> [u32; 3] {
        let bitmask = self.bitmask();
        [
            MASK[(bitmask & 1) as usize],
            MASK[((bitmask >> 1) & 1) as usize],
            MASK[((bitmask >> 2) & 1) as usize],
        ]
    }
}

impl Default for BVec3A {
    #[inline]
    fn default() -> Self {
        FALSE
    }
}

impl PartialEq for BVec3A {
    #[inline]
    fn eq(&self, rhs: &Self) -> bool {
        self.bitmask().eq(&rhs.bitmask())
    }
}

impl Eq for BVec3A {}

impl hash::Hash for BVec3A {
    #[inline]
    fn hash<H: hash::Hasher>(&self, state: &mut H) {
        self.bitmask().hash(state);
    }
}

impl BitAnd for BVec3A {
    type Output = Self;
    #[inline]
    fn bitand(self, rhs: Self) -> Self {
        Self(v128_and(self.0, rhs.0))
    }
}

impl BitAndAssign for BVec3A {
    #[inline]
    fn bitand_assign(&mut self, rhs: Self) {
        *self = self.bitand(rhs);
    }
}

impl BitOr for BVec3A {
    type Output = Self;
    #[inline]
    fn bitor(self, rhs: Self) -> Self {
        Self(v128_or(self.0, rhs.0))
    }
}

impl BitOrAssign for BVec3A {
    #[inline]
    fn bitor_assign(&mut self, rhs: Self) {
        *self = self.bitor(rhs);
    }
}

impl BitXor for BVec3A {
    type Output = Self;
    #[inline]
    fn bitxor(self, rhs: Self) -> Self {
        Self(v128_xor(self.0, rhs.0))
    }
}

impl BitXorAssign for BVec3A {
    #[inline]
    fn bitxor_assign(&mut self, rhs: Self) {
        *self = self.bitxor(rhs);
    }
}
impl Not for BVec3A {
    type Output = Self;
    #[inline]
    fn not(self) -> Self {
        Self(v128_not(self.0))
    }
}

impl From<BVec3A> for v128 {
    #[inline]
    fn from(t: BVec3A) -> Self {
        t.0
    }
}

#[cfg(not(target_arch = "spirv"))]
impl fmt::Debug for BVec3A {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let arr = self.into_u32_array();
        write!(
            f,
            "{}({:#x}, {:#x}, {:#x})",
            stringify!(BVec3A),
            arr[0],
            arr[1],
            arr[2]
        )
    }
}

#[cfg(not(target_arch = "spirv"))]
impl fmt::Display for BVec3A {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let arr = self.into_bool_array();
        write!(f, "[{}, {}, {}]", arr[0], arr[1], arr[2])
    }
}

impl From<BVec3A> for [bool; 3] {
    #[inline]
    fn from(mask: BVec3A) -> Self {
        mask.into_bool_array()
    }
}

impl From<BVec3A> for [u32; 3] {
    #[inline]
    fn from(mask: BVec3A) -> Self {
        mask.into_u32_array()
    }
}