/** @packageDocumentation
 * @module WebGL
 */
import { ShaderBuilder, VertexShaderBuilder } from "../ShaderBuilder";
/** @internal */
export declare function addViewport(shader: ShaderBuilder): void;
/** @internal */
export declare function addViewportTransformation(shader: ShaderBuilder): void;
/** @internal */
export declare function addModelToWindowCoordinates(vert: VertexShaderBuilder): void;
//# sourceMappingURL=Viewport.d.ts.map