import { VertexLayout } from '../VertexLayout';
import { Device } from '../Device';
import { BufferTypeOption, BufferUsageOption, DataTypeOption } from '../enums';
/**
 * Data type that is accepted by the `setData*` methods
 *
 * @public
 */
export declare type BufferDataOption = number[] | ArrayBuffer | ArrayBufferView;
/**
 * Constructor options for {@link Buffer}
 *
 * @public
 */
export interface BufferOptions<T = BufferDataOption> {
    /**
     * The buffer type e.b. `VertexBuffer` or `IndexBuffer`
     */
    type?: BufferTypeOption;
    /**
     * The buffer usage. Defaults to `Static`
     */
    usage?: BufferUsageOption;
    /**
     * The VertexBuffer layout. Usable only for vertex buffers
     */
    layout?: VertexLayout;
    /**
     * The actual data to set on the buffer.
     */
    data?: T;
    /**
     * The data type of a single element `data`
     *
     * @remarks
     * - For IndexBuffer defaults to `ushort`
     * - For VertexBuffer defaults to `float`
     */
    dataType?: DataTypeOption;
    /**
     * Size in bytes of a single element in the buffer
     *
     * @remarks
     * - For VertexBuffer this is the size in bytes of a whole vertex.
     * - For IndexBuffer this is the size in bytes of a single index element.
     */
    stride?: number;
}
/**
 * @public
 */
export declare abstract class Buffer {
    abstract readonly device: Device;
    protected $type: number;
    /**
     * The buffer type e.g. VertexBuffer or IndexBuffer
     */
    get type(): number;
    protected $dataType: number;
    /**
     * The data element type
     */
    get dataType(): number;
    protected $sizeInBytes: number;
    /**
     * The size of the data in bytes
     */
    get sizeInBytes(): number;
    protected $usage: number;
    /**
     *
     */
    get usage(): number;
    protected $stride: number;
    /**
     * Size in bytes of a single element in the buffer
     *
     * @remarks
     * - For VertexBuffer this is the size in bytes of a whole vertex.
     * - For IndexBuffer this is the size in bytes of a single index value.
     */
    get stride(): number;
    protected $elementCount: number;
    /**
     * The total number of elements in this buffer
     *
     * @remarks
     * - For VertexBuffer this is the count of all vertices.
     * - For IndexBuffer this is the count of all indices.
     */
    get elementCount(): number;
    protected $layout: VertexLayout;
    /**
     *
     */
    get layout(): VertexLayout;
    /**
     * Translates and returns the current 'type' property to a readable name.
     *
     * @remarks
     * This property exists purely for debugging
     */
    get typeName(): string;
    /**
     * Translates and returns the current 'usage' property to a readable name.
     *
     * @remarks
     * This property exists purely for debugging
     */
    get usageName(): string;
    /**
     * Translates and returns the current 'dataType' property to a readable name.
     *
     * @remarks
     * This property exists purely for debugging
     */
    get dataTypeName(): string;
    /**
     * Indicates whether this is an IndexBuffer
     */
    get isIndexBuffer(): boolean;
    /**
     * Indicates whether this is a VertexBuffer
     */
    get isVertexBuffer(): boolean;
    /**
     *
     */
    init(opts: BufferOptions): this;
    abstract create(): this;
    abstract destroy(): this;
    abstract bind(): this;
    abstract setData(src: BufferDataOption, srcByteOffset?: number, srcByteLength?: number): this;
    abstract setSubData(byteOffset: number, src: BufferDataOption, srcByteOffset?: number, srcByteLength?: number): this;
    setDataElementOffset(data: BufferDataOption, srcElementOffset: number, srcElementCount: number): this;
    setSubDataElementOffset(elementOffset: number, src: BufferDataOption, srcElementOffset: number, srcElementCount: number): this;
    abstract getBufferSubData(srcByteOffset: number, dst: ArrayBufferView, dstOffset: number, dstLength: number): this;
    getData(): ArrayBufferView;
    protected convertDataOption(src: BufferDataOption): ArrayBufferView;
}
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