gl-react/lib/Visitor.d.ts

Universal React library, write and compose WebGL shaders, implement complex effects using a descriptive paradigm

import type { Surface } from "./createSurface";
import type Node from "./Node";
import type Bus from "./Bus";
export interface VisitorLike {
    onSurfaceMount(surface: Surface): void;
    onSurfaceUnmount(surface: Surface): void;
    onSurfaceGLContextChange(surface: Surface, gl: WebGLRenderingContext | null): void;
    onSurfaceDrawSkipped(surface: Surface): void;
    onSurfaceDrawStart(surface: Surface): void;
    onSurfaceDrawError(e: Error): any;
    onSurfaceDrawEnd(surface: Surface): void;
    onNodeDrawSkipped(node: Node): void;
    onNodeDrawStart(node: Node): void;
    onNodeSyncDeps(node: Node, additions: Array<Node | Bus>, deletions: Array<Node | Bus>): void;
    onNodeDraw(node: Node, preparedUniforms: Array<any>): void;
    onNodeDrawEnd(node: Node): void;
}
export default class Visitor {
    onSurfaceMount(surface: Surface): void;
    onSurfaceUnmount(surface: Surface): void;
    onSurfaceGLContextChange(surface: Surface, gl: WebGLRenderingContext | null): void;
    onSurfaceDrawSkipped(surface: Surface): void;
    onSurfaceDrawStart(surface: Surface): void;
    /**
     * if returns true, it prevent a throw to happen from the request animation frame loop (or from a surface.flush() call).
     */
    onSurfaceDrawError(e: Error): boolean;
    onSurfaceDrawEnd(surface: Surface): void;
    onNodeDrawSkipped(node: Node): void;
    onNodeDrawStart(node: Node): void;
    onNodeSyncDeps(node: Node, additions: Array<Node | Bus>, deletions: Array<Node | Bus>): void;
    onNodeDraw(node: Node, preparedUniforms: Array<any>): void;
    onNodeDrawEnd(node: Node): void;
}
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