modern-canvas/dist/core/renderers/gl/GlStencilSystem.d.ts

A JavaScript WebGL rendering engine. only the ESM.

import type { RenderTargetLike } from '../shared';
import type { GlRenderer } from './GlRenderer';
import type { GlRenderingContext } from './types';
import { StencilMode } from './const';
import { GlSystem } from './system';
export interface StencilState {
    stencilWriteMask?: number;
    stencilReadMask?: number;
    stencilFront?: {
        compare: 'always' | 'equal' | 'not-equal';
        passOp: 'increment-clamp' | 'decrement-clamp' | 'keep' | 'replace';
    };
    stencilBack?: {
        compare: 'always' | 'equal' | 'not-equal';
        passOp: 'increment-clamp' | 'decrement-clamp' | 'keep' | 'replace';
    };
}
/** @internal */
export declare const stencilModeMap: StencilState[];
export declare class GlStencilSystem extends GlSystem {
    install(renderer: GlRenderer): void;
    protected readonly _cache: {
        enabled: boolean;
        stencilMode: StencilMode;
        refCount: number;
    };
    current: Record<number, {
        stencilMode: StencilMode;
        refCount: number;
    }>;
    protected _passOpMap: {
        'keep': number;
        'zero': number;
        'replace': number;
        'invert': number;
        'increment-clamp': number;
        'decrement-clamp': number;
        'increment-wrap': number;
        'decrement-wrap': number;
    };
    protected _compareMap: {
        'always': number;
        'never': number;
        'equal': number;
        'not-equal': number;
        'less': number;
        'less-equal': number;
        'greater': number;
        'greater-equal': number;
    };
    protected _updateContext(gl: GlRenderingContext): void;
    protected _setup(): void;
    reset(): void;
    protected _updateRenderTarget: (renderTarget: RenderTargetLike | null) => void;
    bind(stencilMode: StencilMode, refCount: number): void;
    destroy(): void;
}