Struct DrawCommandList

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pub struct DrawCommandList {
    pub commands: Vec<DrawCommand>,
}

Expand description

每帧的绘制命令列表

由 render_extract_system 填充，由 RenderApp::render_ecs() 消费。支持按 mesh+material 排序分组以减少管线状态切换。

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§commands: Vec<DrawCommand>

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pub fn sort_for_batching(&mut self)

按 (material, mesh) 排序以实现批处理

相同 material 的命令排在一起，减少管线状态切换。相同 mesh 的命令排在一起，减少顶点缓冲区切换。

Trait Implementations§

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impl Default for DrawCommandList

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fn default() -> DrawCommandList

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

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impl Resource for DrawCommandList
where Self: Send + Sync + 'static,

Auto Trait Implementations§

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impl Freeze for DrawCommandList

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impl RefUnwindSafe for DrawCommandList

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impl Send for DrawCommandList

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impl Sync for DrawCommandList

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impl Unpin for DrawCommandList

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impl UnsafeUnpin for DrawCommandList

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impl UnwindSafe for DrawCommandList

Blanket Implementations§

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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> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.

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