import { Buffer } from '../buffer';
import { Context } from '../context';
import { Geometry } from '../geometry';
import { Material } from '../scene';
export declare class IndexBinding {
    buffer: Buffer;
    type: GLenum;
    numIndices: number;
    offset: GLintptr;
}
export declare class VertexBinding {
    buffer: Buffer;
    attributeIndex: GLint;
    numVertices: GLint;
    size: GLint;
    type: GLenum;
    normalized: boolean;
    stride: GLsizei;
    offset: GLintptr;
}
/**
 * This class includes all information to render a primitive as specified by the glTF standard.
 * The logic for binding the necessary buffers and drawing the primitive are also included.
 * The material for the primitive as specified by glTF is stored, however it is not bound
 * automatically, i.e., material handling needs to be performed outside this class.
 * See https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#geometry.
 */
export declare class GLTFPrimitive extends Geometry {
    protected _drawMode: GLenum;
    protected _indexBinding: IndexBinding | undefined;
    protected _bindings: Array<VertexBinding>;
    protected _material: Material;
    protected _geometryFlags: number;
    constructor(context: Context, bindings: Array<VertexBinding>, indexBinding: IndexBinding | undefined, drawMode: GLenum, material: Material, flags: number, identifier?: string);
    protected bindBuffers(): void;
    protected unbindBuffers(): void;
    draw(): void;
    get drawMode(): GLenum;
    get material(): Material;
    get flags(): number;
    get indexBufferInformation(): IndexBinding | undefined;
    /**
     * Returns information about the attribute buffer used by this primitive for a specific attribute semantic.
     * If the attribute buffer is not present, undefined is returned.
     *
     * @param attribute - Name of the attribute semantic defined by glTF, e.g., "POSITION" or "TEXCOORD_0",
     * see https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#meshes
     */
    getVertexBufferInformationFromAttribute(attribute: string): VertexBinding | undefined;
}