fork/Graphite
1
0
Fork 0
mirror of https://github.com/GraphiteEditor/Graphite.git synced 2026-09-17 15:28:04 +08:00
Code Issues Packages Projects Releases Wiki Activity

Don't force nodes to store references to other nodes

Browse Source
This commit is contained in:
Dennis
2022-06-05 15:25:07 +02:00
committed by Keavon Chambers
parent 4b8c0ec4e1
commit 09f550bcd4
12 changed files with 252 additions and 242 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
node-graph/gstd/src/memo.rs
View File

@@ -1,30 +1,33 @@
use graphene_core::{Cache, Node};
use once_cell::sync::OnceCell;
use std::marker::PhantomData;
/// Caches the output of a given Node and acts as a proxy
pub struct CacheNode<'n, CachedNode: Node<'n, Input>, Input> {
node: &'n CachedNode,
pub struct CacheNode<'n, CachedNode: Node<'n>> {
node: CachedNode,
cache: OnceCell<CachedNode::Output>,
_phantom: PhantomData<&'n ()>,
}
impl<'n, CashedNode: Node<'n, Input>, Input> Node<'n, Input> for CacheNode<'n, CashedNode, Input> {
impl<'n, CashedNode: Node<'n>> Node<'n> for CacheNode<'n, CashedNode> {
type Output = &'n CashedNode::Output;
fn eval(&'n self, input: Input) -> Self::Output {
self.cache.get_or_init(|| self.node.eval(input))
fn eval(&'n self) -> Self::Output {
self.cache.get_or_init(|| self.node.eval())
}
}
impl<'n, CachedNode: Node<'n, Input>, Input> CacheNode<'n, CachedNode, Input> {
impl<'n, CachedNode: Node<'n>> CacheNode<'n, CachedNode> {
pub fn clear(&'n mut self) {
self.cache = OnceCell::new();
}
pub fn new(node: &'n CachedNode) -> CacheNode<'n, CachedNode, Input> {
pub fn new(node: CachedNode) -> CacheNode<'n, CachedNode> {
CacheNode {
node,
cache: OnceCell::new(),
_phantom: PhantomData,
}
}
}
impl<'n, CachedNode: Node<'n, Input>, Input> Cache for CacheNode<'n, CachedNode, Input> {
impl<'n, CachedNode: Node<'n>> Cache for CacheNode<'n, CachedNode> {
fn clear(&mut self) {
self.cache = OnceCell::new();
}