pub trait RenderFeatureViewPacket: Downcast + Sync + Send {
    // Required methods
    fn view(&self) -> &RenderView;
    fn view_frame_index(&self) -> u32;
    fn num_render_object_instances(&self) -> usize;
    fn push_render_object_instance(
        &mut self,
        render_object_instance_id: u32,
        render_object_instance: RenderObjectInstance
    ) -> u32;
    fn push_volume(&mut self, object_id: ObjectId);
}
Expand description

A type-erased trait used by the Renderer, RenderFrameJob, and RendererThreadPool to control the workload of the rendering process without identifying specific types used in each RenderFeature’s frame packet or workload. See ViewPacket for implementation details.

Required Methods§

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fn view(&self) -> &RenderView

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fn view_frame_index(&self) -> u32

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fn num_render_object_instances(&self) -> usize

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fn push_render_object_instance( &mut self, render_object_instance_id: u32, render_object_instance: RenderObjectInstance ) -> u32

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fn push_volume(&mut self, object_id: ObjectId)

Implementations§

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impl dyn RenderFeatureViewPacket

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pub fn is<__T>(&self) -> bool

Returns true if the trait object wraps an object of type __T.

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pub fn downcast<__T>( self: Box<dyn RenderFeatureViewPacket> ) -> Result<Box<__T>, Box<dyn RenderFeatureViewPacket>>

Returns a boxed object from a boxed trait object if the underlying object is of type __T. Returns the original boxed trait if it isn’t.

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pub fn downcast_rc<__T>( self: Rc<dyn RenderFeatureViewPacket> ) -> Result<Rc<__T>, Rc<dyn RenderFeatureViewPacket>>

Returns an Rc-ed object from an Rc-ed trait object if the underlying object is of type __T. Returns the original Rc-ed trait if it isn’t.

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pub fn downcast_ref<__T>(&self) -> Option<&__T>

Returns a reference to the object within the trait object if it is of type __T, or None if it isn’t.

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pub fn downcast_mut<__T>(&mut self) -> Option<&mut __T>

Returns a mutable reference to the object within the trait object if it is of type __T, or None if it isn’t.

Trait Implementations§

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impl<'a> RenderFeatureViewPacketAsConcrete<'a> for dyn RenderFeatureViewPacket

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fn as_concrete<T>(&'a self) -> &'a T

Downcast &dyn RenderFeatureViewPacket into &T where T: RenderFeatureViewPacket.
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impl RenderFeatureViewPacketIntoConcrete for Box<dyn RenderFeatureViewPacket>

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fn into_concrete<T>(self) -> Box<T>

Downcast Box<dyn RenderFeatureViewPacket> into Box<T> where T: RenderFeatureViewPacket.

Implementors§

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impl<FramePacketDataT> RenderFeatureViewPacket for ViewPacket<FramePacketDataT>
where FramePacketDataT: 'static + FramePacketData,