@thi.ng/webgl/texture.d.ts

WebGL & GLSL abstraction layer

import type { Nullable } from "@thi.ng/api";
import { TextureFilter, TextureFormat, TextureRepeat, TextureTarget, TextureType, type ITexture, type TextureOpts } from "./api/texture.js";
export declare const bindTextures: (textures?: ITexture[]) => void;
export declare const unbindTextures: (textures?: ITexture[]) => void;
export declare class Texture implements ITexture {
    gl: WebGLRenderingContext;
    tex: WebGLTexture;
    target: TextureTarget;
    format: TextureFormat;
    filter: TextureFilter[];
    wrap: TextureRepeat[];
    type: TextureType;
    size: number[];
    constructor(gl: WebGLRenderingContext, opts?: Partial<TextureOpts>);
    configure(opts?: Partial<TextureOpts>, unbind?: boolean): boolean;
    protected configureImage(target: TextureTarget, opts: Partial<TextureOpts>): void;
    protected configureImage2d(target: TextureTarget, opts: Partial<TextureOpts>): void;
    protected configureImage3d(target: TextureTarget, opts: Partial<TextureOpts>): void;
    protected configureFilter(target: TextureTarget, opts: Partial<TextureOpts>): void;
    protected configureWrap(target: TextureTarget, opts: Partial<TextureOpts>): void;
    protected configureLOD(target: TextureTarget, opts: Partial<TextureOpts>): void;
    protected configureLevels(target: TextureTarget, opts: Partial<TextureOpts>): void;
    bind(id?: number): boolean;
    unbind(id?: number): boolean;
    release(): boolean;
}
export declare const defTexture: (gl: WebGLRenderingContext, opts?: Partial<TextureOpts>) => Texture;
/**
 * Creates cube map texture from given 6 `face` texture sources. The
 * given options are shared by each each side/face of the cube map. The
 * following options are applied to the cube map directly:
 *
 * - `filter`
 * - `mipmap`
 *
 * The following options are ignored entirely:
 *
 * - `target`
 * - `image`
 *
 * @param gl -
 * @param faces - in order: +x,-x,+y,-y,+z,-z
 * @param opts -
 */
export declare const defTextureCubeMap: (gl: WebGLRenderingContext, faces: (ArrayBufferView | TexImageSource)[], opts?: Partial<TextureOpts>) => Texture;
/**
 * Creates & configure a new float texture.
 *
 * **Important:** Since each texel will hold 4x 32-bit float values, the
 * `data` buffer needs to have a length of at least `4 * width *
 * height`.
 *
 * Under WebGL 1.0, we assume the caller has previously enabled the
 * `OES_texture_float` extension.
 *
 * @param gl - GL context
 * @param data - texture data
 * @param width - width
 * @param height - height
 * @param format -
 * @param type -
 */
export declare const defTextureFloat: (gl: WebGLRenderingContext, data: Nullable<Float32Array>, width: number, height: number, format?: TextureFormat, type?: TextureType) => Texture;
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