/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
import { vec2, vec3, vec4 } from "gl-matrix";
import { ShaderBase } from "./shader.js";
export declare class PickGrid extends ShaderBase {
    private _positionAttribute;
    private _idColorAttribute;
    private _normalAttribute;
    private _texCoordAttribute;
    private _boundsAttribute;
    private _pickUniform;
    private _majorColorUniform;
    private _minorColorUniform;
    private _zeroColorUniform;
    private _highlightUniform;
    private _backgroundUniform;
    private _pickedIdColorUniform;
    private _faceSizeUniform;
    private _majorThicknessUniform;
    private _minorThicknessUniform;
    private _zeroThicknessUniform;
    private _zeroUniform;
    private _minorGridlinesUniform;
    private _directionToLightUniform;
    faceWidth: number;
    faceHeight: number;
    majorThickness: number;
    minorThickness: number;
    zeroThickness: number;
    backgroundColor: vec3;
    highlightColor: vec3;
    majorColor: vec3;
    minorColor: vec3;
    zeroColor: vec3;
    zero: vec2;
    minorGridlines: vec2;
    pickedIdColor: vec4;
    directionToLight: vec3;
    initializeContext(gl: WebGLRenderingContext): void;
    private _initializeShader;
    apply(): void;
    applyView(): void;
    ApplyFace(): void;
    updateBuffers(): void;
}