@luma.gl/shadertools/dist/lib/shader-module/shader-pass.d.ts

Shader module system for luma.gl

import type { Binding } from '@luma.gl/core';
import type { PickBindings, PickUniforms, ShaderModule } from "./shader-module.js";
import type { UniformValue } from "../utils/uniform-types.js";
/**
 * A ShaderPass is a ShaderModule that can be run "standalone" (e.g. post processing effects)
 * It adds additional information on how to run the module.
 * A ShaderPass can require one or more sub passes.
 */
export type ShaderPass<PropsT extends Record<string, any> = Record<string, any>, UniformsT extends Record<string, UniformValue> = PickUniforms<PropsT>, BindingsT extends Record<string, Binding> = PickBindings<PropsT>> = ShaderModule<PropsT, UniformsT, BindingsT> & {
    /** A shader pass can run multiple sub passes */
    passes?: ShaderSubPass<UniformsT>[];
};
/** Information on how to run a specific sub pass */
export type ShaderSubPass<UniformsT extends Record<string, UniformValue> = Record<string, UniformValue>> = {
    /**
     * Action indicates whether this pass:
     * - filters the color in each pixel (provides a `<pass.name>_filterColor()` shader function)
     * - performs its own sampling (provides a `<pass.name>_sampleColor()` shader function)
     */
    action?: 'filter' | 'sample';
    sampler?: boolean;
    filter?: boolean;
    uniforms?: UniformsT;
};
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