import Shader, { AttributeSemantic, UniformType } from '../Shader';
import GLTexture from './GLTexture';
declare class GLProgram {
    readonly uid: number;
    semanticsMap: Shader['semanticsMap'];
    attributes: Shader['attributes'];
    vertexCode: string;
    fragmentCode: string;
    private _uniformLocations;
    private _textureSlot;
    private _program?;
    private _cachedAttribLoc;
    private _valueCache;
    private _vertexShader?;
    private _fragmentShader?;
    __error?: string;
    __compiling?: boolean;
    constructor();
    bind(gl: WebGL2RenderingContext): void;
    isValid(): boolean;
    isCompiling(): boolean | undefined;
    checkParallelCompiled(gl: WebGL2RenderingContext, parallelExt: any): boolean | undefined;
    hasUniform(symbol: string): boolean;
    useTextureSlot(gl: WebGL2RenderingContext, texture: GLTexture | undefined, slot: number): void;
    currentTextureSlot(): number;
    resetTextureSlot(slot: number): void;
    takeTextureSlot(gl: WebGL2RenderingContext, texture?: GLTexture): number;
    set(_gl: WebGL2RenderingContext, type: UniformType, symbol: string, value: any, valueArray: boolean, force?: boolean): boolean;
    setSemanticUniform(_gl: WebGL2RenderingContext, semantic: string, val: any): boolean;
    getAttributeLocation(gl: WebGL2RenderingContext, attribBuffer: {
        name: string;
        semantic?: AttributeSemantic;
    }): number;
    buildProgram(gl: WebGL2RenderingContext, shader: Shader, vertexShaderCode: string, fragmentShaderCode: string): void;
    updateLinkStatus(gl: WebGL2RenderingContext): void;
}
export default GLProgram;