import { LoaderImageRequest, LoaderImageResponse } from "./Loaders-Image";
import { Maybe, Either } from "../external/sanctuary/Sanctuary";
export interface LoaderTextureRequest extends LoaderImageRequest {
    mapper: (target: HTMLImageElement) => WebGLTexture;
}
export interface LoaderTextureResponse extends LoaderImageResponse {
    texture: WebGLTexture;
}
export declare const LOADER_TYPE_TEXTURE = "texture";
export declare type LoaderTextureStatus = Maybe<LoaderTextureResponse> | Either<LoaderTextureResponse>;
export declare type LoaderTextureCallback = (resp: Either<LoaderTextureResponse>) => void;
export declare class LoaderTexture {
    private _status;
    __loaderType: string;
    constructor(_req: Partial<LoaderTextureRequest>, callbackAfterLoad?: LoaderTextureCallback);
    readonly status: LoaderTextureStatus;
}
export declare const loadTexturePromise: (req: Partial<LoaderTextureRequest>) => Promise<Either<LoaderTextureResponse>>;
export declare const loadTextureFactory: (req: Partial<LoaderTextureRequest>, callback?: LoaderTextureCallback) => LoaderTexture;
export declare const isLoaderTexture: (arg: any) => arg is LoaderTexture;