Struct webrender::TileNode

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pub struct TileNode {
    pub kind: TileNodeKind,
    pub rect: PictureBox2D,
}
Expand description

A node in the dirty rect tracking quadtree.

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§kind: TileNodeKind

Leaf or internal node

§rect: PictureBox2D

Rect of this node in the same space as the tile cache picture

Implementations§

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impl TileNode

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fn new_leaf(curr_indices: Vec<PrimitiveDependencyIndex>) -> Self

Construct a new leaf node, with the given primitive dependency index buffer

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fn draw_debug_rects( &self, pic_to_world_mapper: &SpaceMapper<PicturePixel, WorldPixel>, is_opaque: bool, local_valid_rect: PictureRect, scratch: &mut PrimitiveScratchBuffer, global_device_pixel_scale: DevicePixelScale )

Draw debug information about this tile node

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fn get_child_rects(rect: &PictureBox2D, result: &mut [PictureBox2D; 4])

Calculate the four child rects for a given node

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fn clear(&mut self, rect: PictureBox2D)

Called during pre_update, to clear the current dependencies

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fn add_prim( &mut self, index: PrimitiveDependencyIndex, prim_rect: &PictureBox2D )

Add a primitive dependency to this node

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fn maybe_merge_or_split( &mut self, level: i32, curr_prims: &[PrimitiveDescriptor], max_split_levels: i32 )

Apply a merge or split operation to this tile, if desired

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fn update_dirty_rects( &mut self, prev_prims: &[PrimitiveDescriptor], curr_prims: &[PrimitiveDescriptor], prim_comparer: &mut PrimitiveComparer<'_>, dirty_rect: &mut PictureBox2D, compare_cache: &mut FastHashMap<PrimitiveComparisonKey, PrimitiveCompareResult>, invalidation_reason: &mut Option<InvalidationReason>, frame_context: &FrameVisibilityContext<'_> )

Update the dirty state of this node, building the overall dirty rect

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impl Clone for TileNode

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fn clone(&self) -> TileNode

Returns a copy 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 Serialize for TileNode

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere 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> 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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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for Twhere 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 Twhere U: Into<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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impl<T, U> TryInto<U> for Twhere U: TryFrom<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.