import type { GlColorAdjustmentMaterialFeature, GlColorAdjustmentMaterialFeatureGuard, GlRenderOptions, GlRenderState, GlRenderStateRuntime } from '@flighthq/types/contract';
export declare function copyGlRenderStateRegistrations(target: GlRenderState, source: GlRenderState): void;
/**
 * Creates a second render pipeline over `screenState`'s WebGL context.
 *
 * GPU objects and upload caches are aliases of one context tier. Pipeline policy is a creation-time
 * snapshot: renderer/clip/material/effect/texture registrations start equal, then either state may
 * override or omit them independently. Per-node proxies, adapters, frame counters, batch writers,
 * render transforms, and renderer data are always fresh.
 */
export declare function createGlOffscreenRenderState(screenState: GlRenderState): GlRenderState;
export declare function createGlRenderState(canvas: HTMLCanvasElement, options?: GlRenderOptions): GlRenderState;
export declare function createGlRenderStateRuntime(sharedRuntime?: GlRenderStateRuntime): GlRenderStateRuntime;
export declare function destroyGlRenderState(state: GlRenderState): void;
export declare function getGlColorAdjustmentMaterialFeature(state: GlRenderState): Readonly<GlColorAdjustmentMaterialFeature> | null;
export declare function getGlColorAdjustmentMaterialFeatureGuard(state: GlRenderState): GlColorAdjustmentMaterialFeatureGuard | null;
export declare function getGlRenderStateRuntime(state: GlRenderState): GlRenderStateRuntime;
export declare function invalidateGlRenderStateCache(state: GlRenderState): void;
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