@thi.ng/shader-ast-js/pool.d.ts

Customizable JS codegen, compiler & runtime for @thi.ng/shader-ast

import { type IReset, type Type, type TypedArray } from "@thi.ng/api";
import type { Vec } from "@thi.ng/vectors";
/**
 * Manager for re-using pre-allocated memory for various vector ops. If the
 * compiled shader program includes a `main()` function, the pools will be reset
 * automatically when that `main` function executes. Otherwise, users **MUST**
 * call the {@link CompileResult.__reset} manually each time before invoking a
 * compiled entry point function.
 *
 * @remarks
 * Currently, the default capacity for each vector type is fixed at 2048 items.
 * That means a shader program can create up to this number of temporary objects
 * (per fragment/invocation). Should this number be insufficient, please submit
 * an issue and explain your use case. Thanks!
 */
export declare class Pool implements IReset {
    protected size: number;
    protected cap: number;
    mem: TypedArray;
    items: Vec[];
    index: number;
    next: () => Vec;
    from: (...args: number[]) => Vec;
    uniform: (n: number) => Vec;
    constructor(type: Type, size: number, cap: number);
    reset(): this;
}
export declare const POOL_VEC2: Pool;
export declare const POOL_VEC3: Pool;
export declare const POOL_VEC4: Pool;
export declare const POOL_IVEC2: Pool;
export declare const POOL_IVEC3: Pool;
export declare const POOL_IVEC4: Pool;
export declare const POOL_UVEC2: Pool;
export declare const POOL_UVEC3: Pool;
export declare const POOL_UVEC4: Pool;
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