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49 lines (47 loc) • 1.4 kB
JavaScript
"use strict";
class GCManagedHash {
constructor(options) {
// Exposed directly for GC system access
this.items = /* @__PURE__ */ Object.create(null);
const { renderer, type, onUnload, priority, name } = options;
this._renderer = renderer;
renderer.gc.addResourceHash(this, "items", type, priority ?? 0);
this._onUnload = onUnload;
this.name = name;
}
/**
* Add an item to the hash. No-op if already added.
* @param item
* @returns true if the item was added, false if it was already in the hash
*/
add(item) {
if (this.items[item.uid])
return false;
this.items[item.uid] = item;
item.once("unload", this.remove, this);
item._gcLastUsed = this._renderer.gc.now;
return true;
}
remove(item, ...args) {
if (!this.items[item.uid])
return;
const gpuData = item._gpuData[this._renderer.uid];
if (!gpuData)
return;
this._onUnload?.(item, ...args);
gpuData.destroy();
item._gpuData[this._renderer.uid] = null;
this.items[item.uid] = null;
}
removeAll(...args) {
Object.values(this.items).forEach((item) => item && this.remove(item, ...args));
}
destroy(...args) {
this.removeAll(...args);
this.items = /* @__PURE__ */ Object.create(null);
this._renderer = null;
this._onUnload = null;
}
}
export { GCManagedHash };
//# sourceMappingURL=GCManagedHash.mjs.map