TextQuadVertex

onedrop_renderer::text_pipeline

Struct TextQuadVertex 

Source 
#[repr(C)]
pub struct TextQuadVertex {
    pub pos_clip: [f32; 2],
    pub uv: [f32; 2],
    pub rgba: [f32; 4],
}
Expand description

Per-glyph vertex pushed to the GPU vertex buffer.

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§pos_clip: [f32; 2]

Clip-space position ([-1, 1] per axis). CPU side does the [0, 1] screen → clip + aspect-correction so the vertex shader stays a pass-through.

§uv: [f32; 2]

Atlas UV ([0, 1]).

§rgba: [f32; 4]

Tint colour (r, g, b, a). The fragment shader multiplies the sampled atlas alpha by a to produce a premultiplied output.

Trait Implementations§

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impl Clone for TextQuadVertex

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fn clone(&self) -> TextQuadVertex

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TextQuadVertex

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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 TextQuadVertex

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fn default() -> TextQuadVertex

Returns the “default value” for a type. Read more
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impl Zeroable for TextQuadVertex

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fn zeroed() -> Self

Calls zeroed. Read more
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impl Copy for TextQuadVertex

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impl Pod for TextQuadVertex

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CheckedBitPattern for T
where T: AnyBitPattern,

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type Bits = T

Self must have the same layout as the specified Bits except for the possible invalid bit patterns being checked during is_valid_bit_pattern.
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fn is_valid_bit_pattern(_bits: &T) -> bool

If this function returns true, then it must be valid to reinterpret bits as &Self.
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> From<T> for T

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fn from(t: T) -> T

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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const ALIGN: usize

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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fn read_from_little_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_little_endian().
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fn read_from_big_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_big_endian().
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fn read_from_native_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_native_endian().
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.
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