import { TextureFormat } from "@galacean/engine-core";
import { GLCompressedTextureInternalFormat } from "@galacean/engine-rhi-webgl";
export type CompressedTextureData = {
    internalFormat: GLCompressedTextureInternalFormat;
    width: number;
    height: number;
    mipmaps: Mipmap[];
    engineFormat: TextureFormat;
};
export type CompressedCubeData = {
    engineFormat: TextureFormat;
    internalFormat: number;
    width: number;
    height: number;
    mipmapsFaces: Mipmap[][];
};
export type Mipmap = {
    data: ArrayBufferView;
    width: number;
    height: number;
};
export type KTXContainer = {
    /**
     * origin buffer data
     */
    buffer: ArrayBuffer;
    /**
     * Gets the openGL type
     */
    glType: number;
    /**
     * Gets the openGL type size
     */
    glTypeSize: number;
    /**
     * Gets the openGL format
     */
    glFormat: number;
    /**
     * Gets the openGL internal format
     */
    glInternalFormat: number;
    /**
     * Gets the base internal format
     */
    glBaseInternalFormat: GLCompressedTextureInternalFormat;
    /**
     * Gets image width in pixel
     */
    pixelWidth: number;
    /**
     * Gets image height in pixel
     */
    pixelHeight: number;
    /**
     * Gets image depth in pixels
     */
    pixelDepth: number;
    /**
     * Gets the number of array elements
     */
    numberOfArrayElements: number;
    /**
     * Gets the number of faces
     */
    numberOfFaces: number;
    /**
     * Gets the number of mipmap levels
     */
    numberOfMipmapLevels: number;
    /**
     * Gets the bytes of key value data
     */
    bytesOfKeyValueData: number;
    /**
     * Gets the load type
     */
    loadType: number;
    /**
     * parsed mipmap data
     */
    mipmaps?: Mipmap[];
    /**
     * Galacean Engine native TextureFormat
     */
    engineFormat?: TextureFormat;
};