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JointPair

Struct JointPair 

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#[repr(C)]
pub struct JointPair { pub joints: CompressedJoints, pub weights: CompressedWeights, }
Expand description

The joint indices and weights of one vertex, as the position stream stores them.

The pair shares the position’s stream, so this is the layout the shader’s VertexInput declares for them: Uint16x4 indices followed by Unorm16x4 weights. The two are written together and never separately, which is why the stream carries them as one unit.

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§joints: CompressedJoints

Joint indices into the mesh’s joint matrices, Uint16x4.

§weights: CompressedWeights

Joint weights, Unorm16x4, which should sum to 1.

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impl JointPair

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pub const SIZE: u32

Bytes one pair occupies, the sum of the two channels.

Trait Implementations§

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impl Clone for JointPair

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for JointPair

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impl Debug for JointPair

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for JointPair

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Eq for JointPair

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impl FromBytes for JointPair
where CompressedJoints: FromBytes, CompressedWeights: FromBytes,

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fn ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, !>>
where Self: KnownLayout + Immutable,

Interprets the given source as a &Self. Read more
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fn ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, !>>
where Self: KnownLayout + Immutable,

Interprets the prefix of the given source as a &Self without copying. Read more
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fn ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, !>>
where Self: Immutable + KnownLayout,

Interprets the suffix of the given bytes as a &Self. Read more
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fn mut_from_bytes( source: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, !>>
where Self: IntoBytes + KnownLayout,

Interprets the given source as a &mut Self. Read more
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fn mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, !>>
where Self: IntoBytes + KnownLayout,

Interprets the prefix of the given source as a &mut Self without copying. Read more
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fn mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, !>>
where Self: IntoBytes + KnownLayout,

Interprets the suffix of the given source as a &mut Self without copying. Read more
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fn ref_from_bytes_with_elems( source: &[u8], count: usize, ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, !>>
where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the given source as a &Self with a DST length equal to count. Read more
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fn ref_from_prefix_with_elems( source: &[u8], count: usize, ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, !>>
where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the prefix of the given source as a DST &Self with length equal to count. Read more
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fn ref_from_suffix_with_elems( source: &[u8], count: usize, ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, !>>
where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the suffix of the given source as a DST &Self with length equal to count. Read more
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fn mut_from_bytes_with_elems( source: &mut [u8], count: usize, ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, !>>
where Self: IntoBytes + KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the given source as a &mut Self with a DST length equal to count. Read more
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fn mut_from_prefix_with_elems( source: &mut [u8], count: usize, ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, !>>
where Self: IntoBytes + KnownLayout<PointerMetadata = usize>,

Interprets the prefix of the given source as a &mut Self with DST length equal to count. Read more
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fn mut_from_suffix_with_elems( source: &mut [u8], count: usize, ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, !>>
where Self: IntoBytes + KnownLayout<PointerMetadata = usize>,

Interprets the suffix of the given source as a &mut Self with DST length equal to count. Read more
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fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>
where Self: Sized,

Reads a copy of Self from the given source. Read more
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fn read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>
where Self: Sized,

Reads a copy of Self from the prefix of the given source. Read more
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fn read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), SizeError<&[u8], Self>>
where Self: Sized,

Reads a copy of Self from the suffix of the given source. Read more
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fn read_from_io<R>(src: R) -> Result<Self, Error>
where Self: Sized, R: Read,

Available on crate feature std only.
Reads a copy of self from an io::Read. Read more
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impl FromZeros for JointPair
where CompressedJoints: FromZeros, CompressedWeights: FromZeros,

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fn zero(&mut self)

Overwrites self with zeros. Read more
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fn new_zeroed() -> Self
where Self: Sized,

Creates an instance of Self from zeroed bytes. Read more
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fn new_box_zeroed() -> Result<Box<Self>, AllocError>
where Self: Sized,

Available on crate features alloc only.
Creates a Box<Self> from zeroed bytes. Read more
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fn new_box_zeroed_with_elems(count: usize) -> Result<Box<Self>, AllocError>
where Self: KnownLayout<PointerMetadata = usize>,

Available on crate feature alloc only.
Creates a Box<[Self]> (a boxed slice) from zeroed bytes. Read more
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fn new_vec_zeroed(len: usize) -> Result<Vec<Self>, AllocError>
where Self: Sized,

Available on crate feature alloc only.
Creates a Vec<Self> from zeroed bytes. Read more
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fn extend_vec_zeroed( v: &mut Vec<Self>, additional: usize, ) -> Result<(), AllocError>
where Self: Sized,

Available on crate feature alloc and non-no_zerocopy_panic_in_const_and_vec_try_reserve_1_57_0 only.
Extends a Vec<Self> by pushing additional new items onto the end of the vector. The new items are initialized with zeros.
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fn insert_vec_zeroed( v: &mut Vec<Self>, position: usize, additional: usize, ) -> Result<(), AllocError>
where Self: Sized,

Available on crate feature alloc and non-no_zerocopy_panic_in_const_and_vec_try_reserve_1_57_0 only.
Inserts additional new items into Vec<Self> at position. The new items are initialized with zeros. Read more
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impl Immutable for JointPair
where CompressedJoints: Immutable, CompressedWeights: Immutable,

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impl IntoBytes for JointPair
where CompressedJoints: IntoBytes, CompressedWeights: IntoBytes, (): PaddingFree<Self, { _ }>,

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fn as_bytes(&self) -> &[u8] ⓘ
where Self: Immutable,

Gets the bytes of this value. Read more
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fn as_mut_bytes(&mut self) -> &mut [u8] ⓘ
where Self: FromBytes,

Gets the bytes of this value mutably. Read more
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fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>
where Self: Immutable,

Writes a copy of self to dst. Read more
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fn write_to_prefix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>
where Self: Immutable,

Writes a copy of self to the prefix of dst. Read more
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fn write_to_suffix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>
where Self: Immutable,

Writes a copy of self to the suffix of dst. Read more
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fn write_to_io<W>(&self, dst: W) -> Result<(), Error>
where Self: Immutable, W: Write,

Available on crate feature std only.
Writes a copy of self to an io::Write. Read more
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impl KnownLayout for JointPair
where CompressedWeights: KnownLayout,

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type PointerMetadata = <[u16; 4] as KnownLayout>::PointerMetadata

The type of metadata stored in a pointer to Self. Read more
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fn size_for_metadata(meta: Self::PointerMetadata) -> Option<usize>

Computes the size of an object of type Self with the given pointer metadata. Read more
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impl PartialEq for JointPair

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for JointPair

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impl TryFromBytes for JointPair
where CompressedJoints: TryFromBytes, CompressedWeights: TryFromBytes,

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fn try_ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout + Immutable,

Attempts to interpret the given source as a &Self. Read more
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fn try_ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout + Immutable,

Attempts to interpret the prefix of the given source as a &Self. Read more
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fn try_ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout + Immutable,

Attempts to interpret the suffix of the given source as a &Self. Read more
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fn try_mut_from_bytes( bytes: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout + IntoBytes,

Attempts to interpret the given source as a &mut Self without copying. Read more
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fn try_mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout + IntoBytes,

Attempts to interpret the prefix of the given source as a &mut Self. Read more
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fn try_mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout + IntoBytes,

Attempts to interpret the suffix of the given source as a &mut Self. Read more
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fn try_ref_from_bytes_with_elems( source: &[u8], count: usize, ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Attempts to interpret the given source as a &Self with a DST length equal to count. Read more
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fn try_ref_from_prefix_with_elems( source: &[u8], count: usize, ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Attempts to interpret the prefix of the given source as a &Self with a DST length equal to count. Read more
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fn try_ref_from_suffix_with_elems( source: &[u8], count: usize, ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Attempts to interpret the suffix of the given source as a &Self with a DST length equal to count. Read more
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fn try_mut_from_bytes_with_elems( source: &mut [u8], count: usize, ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout<PointerMetadata = usize> + IntoBytes,

Attempts to interpret the given source as a &mut Self with a DST length equal to count. Read more
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fn try_mut_from_prefix_with_elems( source: &mut [u8], count: usize, ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout<PointerMetadata = usize> + IntoBytes,

Attempts to interpret the prefix of the given source as a &mut Self with a DST length equal to count. Read more
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fn try_mut_from_suffix_with_elems( source: &mut [u8], count: usize, ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout<PointerMetadata = usize> + IntoBytes,

Attempts to interpret the suffix of the given source as a &mut Self with a DST length equal to count. Read more
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fn try_read_from_bytes( source: &[u8], ) -> Result<Self, ConvertError<!, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: Sized,

Attempts to read the given source as a Self. Read more
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fn try_read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), ConvertError<!, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: Sized,

Attempts to read a Self from the prefix of the given source. Read more
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fn try_read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), ConvertError<!, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: Sized,

Attempts to read a Self from the suffix of the given source. Read more

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