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node_modules/pixi.js/lib/rendering/renderers/gpu/shader/BindGroup.d.ts

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+import type { BindResource } from './BindResource';
+/**
+ * A bind group is a collection of resources that are bound together for use by a shader.
+ * They are essentially a wrapper for the WebGPU BindGroup class. But with the added bonus
+ * that WebGL can also work with them.
+ * @see https://gpuweb.github.io/gpuweb/#dictdef-gpubindgroupdescriptor
+ * @example
+ * // Create a bind group with a single texture and sampler
+ * const bindGroup = new BindGroup({
+ *    uTexture: texture.source,
+ *    uTexture: texture.style,
+ * });
+ *
+ * Bind groups resources must implement the {@link BindResource} interface.
+ * The following resources are supported:
+ * - {@link TextureSource}
+ * - {@link TextureStyle}
+ * - {@link Buffer}
+ * - {@link BufferResource}
+ * - {@link UniformGroup}
+ *
+ * The keys in the bind group must correspond to the names of the resources in the GPU program.
+ *
+ * This bind group class will also watch for changes in its resources ensuring that the changes
+ * are reflected in the WebGPU BindGroup.
+ * @memberof rendering
+ */
+export declare class BindGroup {
+    /** The resources that are bound together for use by a shader. */
+    resources: Record<string, BindResource>;
+    /**
+     * a key used internally to match it up to a WebGPU Bindgroup
+     * @internal
+     * @ignore
+     */
+    _key: string;
+    private _dirty;
+    /**
+     * Create a new instance eof the Bind Group.
+     * @param resources - The resources that are bound together for use by a shader.
+     */
+    constructor(resources?: Record<string, BindResource>);
+    /**
+     * Updates the key if its flagged as dirty. This is used internally to
+     * match this bind group to a WebGPU BindGroup.
+     * @internal
+     * @ignore
+     */
+    _updateKey(): void;
+    /**
+     * Set a resource at a given index. this function will
+     * ensure that listeners will be removed from the current resource
+     * and added to the new resource.
+     * @param resource - The resource to set.
+     * @param index - The index to set the resource at.
+     */
+    setResource(resource: BindResource, index: number): void;
+    /**
+     * Returns the resource at the current specified index.
+     * @param index - The index of the resource to get.
+     * @returns - The resource at the specified index.
+     */
+    getResource(index: number): BindResource;
+    /**
+     * Used internally to 'touch' each resource, to ensure that the GC
+     * knows that all resources in this bind group are still being used.
+     * @param tick - The current tick.
+     * @internal
+     * @ignore
+     */
+    _touch(tick: number): void;
+    /** Destroys this bind group and removes all listeners. */
+    destroy(): void;
+    protected onResourceChange(resource: BindResource): void;
+}