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Render

Enum Render 

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pub enum Render<'a, 'pass>
where 'pass: 'a,
{ None, Default(Instanced<'a>), Defaults(Vec<Instanced<'a>>), Transparent(Instanced<'a>), Transparents(Vec<Instanced<'a>>), GUI(Flat<'a>), Terrain(Geometry<'a>), Composed(Vec<Render<'a, 'pass>>), Custom(Box<dyn FnOnce(&Context, &mut RenderPass<'pass>) + 'a>), }
Expand description

Specifies how a scene object should be rendered.

Render is an enum that allows flexible composition of render operations. It can represent a single instanced object, a batch of objects, transparent objects, GUI elements, terrain, a composite of multiple renders, or a custom render closure for special effects.

§Variants

  • None renders nothing
  • Default(Instanced) renders a single opaque instanced object
  • Defaults(Vec<Instanced>) renders a batch of opaque instanced objects
  • Transparent(Instanced) renders a single transparent instanced object
  • Transparents(Vec<Instanced>) renders a batch of transparent objects
  • GUI(Flat) renders 2D elements (flat geometry)
  • Terrain(Flat) renders terrain mesh
  • Composed(Vec<Render>) recursively renders composition of multiple renders
  • Custom(...) invokes a user-defined closure for custom rendering

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None

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Default(Instanced<'a>)

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Defaults(Vec<Instanced<'a>>)

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Transparent(Instanced<'a>)

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Transparents(Vec<Instanced<'a>>)

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GUI(Flat<'a>)

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Terrain(Geometry<'a>)

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Composed(Vec<Render<'a, 'pass>>)

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Custom(Box<dyn FnOnce(&Context, &mut RenderPass<'pass>) + 'a>)

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impl<'a, 'pass> Default for Render<'a, 'pass>
where 'pass: 'a,

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fn default() -> Render<'a, 'pass>

Returns the “default value” for a type. Read more
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impl<'a, 'pass> From<&'a BuildingBlocks> for Render<'a, 'pass>

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fn from(blocks: &'a BuildingBlocks) -> Self

Converts to this type from the input type.
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impl<'a, 'pass> From<&'a dyn SceneNode> for Render<'a, 'pass>

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fn from(sn: &'a dyn SceneNode) -> Self

Converts to this type from the input type.
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impl<'a, 'pass> From<&'a (dyn SceneNode + Send)> for Render<'a, 'pass>

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fn from(sn: &'a (dyn SceneNode + Send)) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<'a, 'pass> Freeze for Render<'a, 'pass>

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impl<'a, 'pass> !RefUnwindSafe for Render<'a, 'pass>

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impl<'a, 'pass> !Send for Render<'a, 'pass>

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impl<'a, 'pass> !Sync for Render<'a, 'pass>

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impl<'a, 'pass> Unpin for Render<'a, 'pass>

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impl<'a, 'pass> UnsafeUnpin for Render<'a, 'pass>

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impl<'a, 'pass> !UnwindSafe for Render<'a, 'pass>

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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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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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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> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<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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impl<T> IntoEither for T

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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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

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

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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Drops the object pointed to by the given pointer. Read more
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where R: Read + ReadEndian<P>, P: Default,

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Read this value from the supplied reader. Same as ReadEndian::read_from_little_endian().
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Read this value from the supplied reader. Same as ReadEndian::read_from_big_endian().
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Read this value from the supplied reader. Same as ReadEndian::read_from_native_endian().
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where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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Performs the conversion.
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impl<T, U> TryInto<U> for T
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type Error = <U as TryFrom<T>>::Error

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

Performs the conversion.
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fn upcast(&self) -> Option<&T>

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where S: Into<Dispatch>,

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