/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
import { vec3 } from "gl-matrix";
import { ShaderBase } from "./shader.js";
import { HighlightMode } from "../../../main.js";
export declare abstract class UnitShader extends ShaderBase {
    protected _instanceBuffer: WebGLBuffer;
    protected _previousInstanceBuffer: WebGLBuffer;
    protected _areBuffersInitialized: boolean;
    protected _fromOrderUniform: WebGLUniformLocation;
    protected _toOrderUniform: WebGLUniformLocation;
    protected _timeUniform: WebGLUniformLocation;
    protected _durationUniform: WebGLUniformLocation;
    protected _paletteVUniform: WebGLUniformLocation;
    protected _paletteDivisionsUniform: WebGLUniformLocation;
    protected _previousPaletteVUniform: WebGLUniformLocation;
    protected _previousPaletteDivisionsUniform: WebGLUniformLocation;
    protected _sampler0Uniform: WebGLUniformLocation;
    protected _previousSampler0Uniform: WebGLUniformLocation;
    protected _sampler1Uniform: WebGLUniformLocation;
    protected _previousSampler1Uniform: WebGLUniformLocation;
    protected _pickUniform: WebGLUniformLocation;
    protected _hoverUniform: WebGLUniformLocation;
    protected _activeUniform: WebGLUniformLocation;
    protected _directionToLightUniform: WebGLUniformLocation;
    protected _ambientUniform: WebGLUniformLocation;
    protected _halfAngleUniform: WebGLUniformLocation;
    protected _specularPowerUniform: WebGLUniformLocation;
    protected _specularIntensityUniform: WebGLUniformLocation;
    protected _hoverColorUniform: WebGLUniformLocation;
    protected _activeColorUniform: WebGLUniformLocation;
    protected _selectedColorUniform: WebGLUniformLocation;
    protected _highlightModeUniform: WebGLUniformLocation;
    protected _rMatrixUniform: WebGLUniformLocation;
    protected _sdfBackgroundColorUniform: WebGLUniformLocation;
    protected _sdfBufferUniform: WebGLUniformLocation;
    protected _positionAttribute: number;
    protected _idAttribute: number;
    protected _idColorAttribute: number;
    protected _translationAttribute: number;
    protected _previousTranslationAttribute: number;
    protected _scaleAttribute: number;
    protected _previousScaleAttribute: number;
    protected _colorAttribute: number;
    protected _previousColorAttribute: number;
    protected _selectedAttribute: number;
    protected _previousSelectedAttribute: number;
    protected _orderAttribute: number;
    protected _rotationAttribute: number;
    protected _previousRotationAttribute: number;
    protected _texCoordAttribute: number;
    protected _previousTexCoordAttribute: number;
    protected _paletteTexture: WebGLTexture;
    protected _previousPaletteTexture: WebGLTexture;
    protected _sdfTexture: WebGLTexture;
    protected _previousSdfTexture: WebGLTexture;
    indexCount: number;
    directionToLight: vec3;
    halfAngle: vec3;
    specularPower: number;
    specularIntensity: number;
    ambient: number;
    time: number;
    duration: number;
    rangeMin: number;
    rangeMax: number;
    hover: number;
    active: number;
    selectedColor: vec3;
    hoverColor: vec3;
    activeColor: vec3;
    highlightMode: HighlightMode;
    sdfBuffer: number;
    sdfBackgroundColor: vec3;
    get paletteTexture(): WebGLTexture;
    set paletteTexture(value: WebGLTexture);
    get previousPaletteTexture(): WebGLTexture;
    set previousPaletteTexture(value: WebGLTexture);
    get sdfTexture(): WebGLTexture;
    set sdfTexture(value: WebGLTexture);
    get previousSdfTexture(): WebGLTexture;
    set previousSdfTexture(value: WebGLTexture);
    set instanceBuffer(value: WebGLBuffer);
    set previousInstanceBuffer(value: WebGLBuffer);
    initializeData(): void;
    protected _initializeShader(gl: WebGLRenderingContext, vsSource: string, fsSource: string): void;
    updateBuffers(): void;
    protected _updateCurrentBuffer(): void;
    protected _updatePreviousBuffer(): void;
    apply(): void;
    applyView(): void;
    updateTextures(): void;
    disableProgram(): void;
}