/**
 * attribute information to store
 * data for webgl attribute
 */
export declare class AttributeInfo {
    name: string;
    size: number;
    offset: number;
    stride: number;
    /**
     * create an attribute information
     * @param name
     * @param size
     * @param offset
     * @param stride
     */
    constructor(name: string, size: number, offset?: number, stride?: number);
}
/**
 * the shader class - for managing shader
 */
export declare class Shader {
    private gl;
    /**
     * the program to user
     */
    program: WebGLProgram;
    fragmentShader: WebGLShader;
    vertexShader: WebGLShader;
    /**
     * current texture unit
     * @type {number}
     */
    textureUnit: number;
    readonly mvpMatrixUniform: WebGLUniformLocation;
    readonly timeUniform: WebGLUniformLocation;
    readonly enableWaterUniform: WebGLUniformLocation;
    readonly textureUniform: WebGLUniformLocation;
    readonly waterDisplacementUniform: WebGLUniformLocation;
    readonly waterColorUniform: WebGLUniformLocation;
    readonly opacityUniform: WebGLUniformLocation;
    readonly lightColorUniform: WebGLUniformLocation;
    readonly lightPositionUniform: WebGLUniformLocation;
    readonly fogStartUniform: WebGLUniformLocation;
    readonly fogRangeUniform: WebGLUniformLocation;
    readonly fogColorUniform: WebGLUniformLocation;
    readonly shadowMvpMatrixUniform: WebGLUniformLocation;
    readonly shadowMapUniform: WebGLUniformLocation;
    readonly lineWidthUniform: WebGLUniformLocation;
    readonly colorUniform: WebGLUniformLocation;
    readonly textureScaleUniform: WebGLUniformLocation;
    readonly useStrokePatternUniform: WebGLUniformLocation;
    readonly useIconUniform: WebGLUniformLocation;
    readonly radiusUniform: WebGLUniformLocation;
    readonly strokeColorUniform: WebGLUniformLocation;
    readonly outerRadiusUniform: WebGLUniformLocation;
    readonly innerRadiusUniform: WebGLUniformLocation;
    readonly modelMatrixUniform: WebGLUniformLocation;
    readonly cameraDirectionUniform: WebGLUniformLocation;
    readonly lowerLimitUniform: WebGLUniformLocation;
    readonly upperLimitUniform: WebGLUniformLocation;
    readonly skyColorUniform: WebGLUniformLocation;
    readonly texsizeUniform: WebGLUniformLocation;
    readonly pixelScaleUniform: WebGLUniformLocation;
    readonly gammaScaleUniform: WebGLUniformLocation;
    readonly isHaloUniform: WebGLUniformLocation;
    readonly textSizeUniform: WebGLUniformLocation;
    readonly useMaskTextureUniform: WebGLUniformLocation;
    readonly spriteInfoUniform: WebGLUniformLocation;
    readonly paddingUniform: WebGLUniformLocation;
    /**
     * dictionary that stores all attributes
     * @type {{}}
     */
    attributes: {
        [key: string]: number;
    };
    /**
     * create a shader with sources
     * @param gl
     * @param vertexSource
     * @param fragmentSource
     */
    constructor(gl: WebGLRenderingContext, vertexSource: string, fragmentSource: string);
    /**
     * load all attributes of this shader
     */
    loadAttributes(): void;
    /**
     * load a shader with source
     * @param type type of the shader | either VERTEX_SHADER or FRAGMENT_SHADER
     * @param source
     * @returns {WebGLShader}
     */
    loadShader(type: number, source: string): WebGLShader;
    /**
     * Bind the shader to use
     */
    bind(): void;
    /**
     * Reset texture unit
     */
    resetTextureUnit(): void;
    /**
     * Set attributes
     * @param attributeInfos
     */
    setAttributes(attributeInfos: AttributeInfo[]): void;
    setTexture(location: WebGLUniformLocation, textureId: WebGLTexture): void;
    /**
     * disable all attributes
     */
    disableAttributes(): void;
    /**
     * destroy this shader to release memory
     */
    destroy(): void;
}