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

WebGL & GLSL abstraction layer

import { GLSLVersion } from "@thi.ng/shader-ast-glsl/api";
import type { GLSLDeclPrefixes, GLSLSyntax } from "./api/shader.js";
export declare const PREFIXES: GLSLDeclPrefixes;
export declare const NO_PREFIXES: GLSLDeclPrefixes;
/**
 * GLSL data declaration code generators.
 */
export declare const SYNTAX: Record<GLSLVersion, GLSLSyntax>;
/**
 * GLSL preprocessor macro for conditional execution based on `__VERSION__`.
 *
 * @param ver -
 * @param ok -
 * @param fail -
 */
export declare const VERSION_CHECK: (ver: number, ok: string, fail?: string) => string;
export declare const ALIAS_TEXTURE: string;
/**
 * GLSL version specific fragment shader output. If `__VERSION__ >= 300`
 * assigns `body` to `out`, else to `gl_FragColor`.
 *
 * @param body -
 * @param out -
 */
export declare const EXPORT_FRAGCOL: (body?: string, out?: string) => string;
/**
 * Default GLSL prelude.
 */
export declare const GLSL_HEADER: string;
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