879 lines
36 KiB
React
879 lines
36 KiB
React
import { useState, useEffect, useRef, useCallback, useMemo } from 'react';
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import { X, AlertCircle, RotateCcw, ChevronDown, ChevronRight, Trash2, GripVertical } from 'lucide-react';
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// ═══════════════════════════════════════════════════════════════════
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// CATÁLOGO DE NODOS — cada uno emite un snippet WGSL
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// Convención: cada nodo compila a `fn node_<idx>(c, uv) -> vec4<f32>`
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// Parámetros: hasta 4 floats empaquetados en u.params[idx] (vec4<f32>)
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// ═══════════════════════════════════════════════════════════════════
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const MAX_NODES = 16;
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const ACCENT = '#5eead4';
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const GEN_COLOR = '#5eead4';
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const OP_COLOR = '#c4b5fd';
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const NODES = {
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// ── GENERADORES (ignoran c, producen nuevo color) ──
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solid: {
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kind: 'gen', label: 'solid', desc: 'color constante',
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params: [
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{ k: 'r', label: 'r', min: 0, max: 1, d: 0.35, step: 0.01 },
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{ k: 'g', label: 'g', min: 0, max: 1, d: 0.25, step: 0.01 },
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{ k: 'b', label: 'b', min: 0, max: 1, d: 0.55, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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return vec4<f32>(p.x, p.y, p.z, 1.0);`,
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},
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gradient: {
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kind: 'gen', label: 'gradient', desc: 'gradiente en ángulo',
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params: [
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{ k: 'angle', label: 'ángulo', min: 0, max: 6.2832, d: 0.8, step: 0.01 },
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{ k: 'hue', label: 'tono', min: 0, max: 1, d: 0.5, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let dir = vec2<f32>(cos(p.x), sin(p.x));
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let t = dot(uv - 0.5, dir) + 0.5;
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let col = 0.5 + 0.5 * cos(6.28318 * (p.y + vec3<f32>(0.0, 0.33, 0.67) + t));
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return vec4<f32>(col, 1.0);`,
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},
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plasma: {
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kind: 'gen', label: 'plasma', desc: 'onda trigonométrica',
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params: [
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{ k: 'speed', label: 'velocidad', min: 0, max: 3, d: 1, step: 0.01 },
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{ k: 'scale', label: 'escala', min: 0.5, max: 10, d: 2, step: 0.1 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let t = u.time * p.x;
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let col = 0.5 + 0.5 * cos(t + uv.xyx * p.y + vec3<f32>(0.0, 2.0, 4.0));
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return vec4<f32>(col, 1.0);`,
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},
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checker: {
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kind: 'gen', label: 'checker', desc: 'tablero rotando',
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params: [
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{ k: 'scale', label: 'escala', min: 1, max: 30, d: 8, step: 0.5 },
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{ k: 'rot', label: 'rotación', min: -2, max: 2, d: 0.25, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let aspect = u.resolution.x / u.resolution.y;
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let q0 = vec2<f32>((uv.x - 0.5) * aspect, uv.y - 0.5);
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let a = u.time * p.y;
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let rm = mat2x2<f32>(cos(a), -sin(a), sin(a), cos(a));
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let q = rm * q0 * p.x;
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let chk = (floor(q.x) + floor(q.y)) - 2.0 * floor((floor(q.x) + floor(q.y)) * 0.5);
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return vec4<f32>(vec3<f32>(chk), 1.0);`,
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},
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circle: {
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kind: 'gen', label: 'circle', desc: 'sdf de círculo',
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params: [
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{ k: 'radius', label: 'radio', min: 0, max: 1, d: 0.4, step: 0.01 },
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{ k: 'soft', label: 'suavidad', min: 0.001, max: 0.1, d: 0.008, step: 0.001 },
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{ k: 'pulse', label: 'pulso', min: 0, max: 1, d: 0.1, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let aspect = u.resolution.x / u.resolution.y;
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let pos = vec2<f32>((uv.x - 0.5) * aspect, uv.y - 0.5);
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let r = p.x + p.z * 0.15 * sin(u.time * 2.0);
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let d = length(pos) - r;
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let fill = smoothstep(p.y, -p.y, d);
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return mix(c, vec4<f32>(1.0), fill);`,
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},
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stripes: {
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kind: 'gen', label: 'stripes', desc: 'rayas animadas',
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params: [
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{ k: 'freq', label: 'frecuencia', min: 1, max: 80, d: 20, step: 0.5 },
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{ k: 'speed', label: 'velocidad', min: -5, max: 5, d: 1, step: 0.05 },
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{ k: 'angle', label: 'ángulo', min: 0, max: 3.1416, d: 0.5, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let dir = vec2<f32>(cos(p.z), sin(p.z));
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let x = dot(uv, dir);
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let v = 0.5 + 0.5 * sin(x * p.x + u.time * p.y);
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return vec4<f32>(vec3<f32>(v), 1.0);`,
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},
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noise: {
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kind: 'gen', label: 'noise', desc: 'hash pseudo-aleatorio',
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params: [
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{ k: 'scale', label: 'escala', min: 1, max: 200, d: 80, step: 1 },
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{ k: 'seed', label: 'seed', min: 0, max: 100, d: 7, step: 1 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let q = floor(uv * p.x + p.y);
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let h = fract(sin(dot(q, vec2<f32>(12.9898, 78.233))) * 43758.5453);
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return vec4<f32>(vec3<f32>(h), 1.0);`,
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},
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// ── OPERADORES (transforman c) ──
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invert: {
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kind: 'op', label: 'invert', desc: '1 − rgb',
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params: [],
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body: () => `
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return vec4<f32>(1.0 - c.rgb, c.a);`,
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},
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gamma: {
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kind: 'op', label: 'gamma', desc: 'pow(rgb, γ)',
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params: [
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{ k: 'g', label: 'γ', min: 0.1, max: 5, d: 1, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let g = max(0.01, p.x);
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return vec4<f32>(pow(max(c.rgb, vec3<f32>(0.0)), vec3<f32>(g)), c.a);`,
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},
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brightness: {
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kind: 'op', label: 'brightness', desc: 'rgb + v',
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params: [
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{ k: 'v', label: 'valor', min: -1, max: 1, d: 0, step: 0.01 },
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],
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body: (i) => `
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return vec4<f32>(c.rgb + vec3<f32>(u.params[${i}].x), c.a);`,
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},
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contrast: {
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kind: 'op', label: 'contrast', desc: '(rgb − 0.5)·k + 0.5',
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params: [
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{ k: 'k', label: 'k', min: 0, max: 3, d: 1, step: 0.01 },
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],
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body: (i) => `
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return vec4<f32>((c.rgb - vec3<f32>(0.5)) * u.params[${i}].x + vec3<f32>(0.5), c.a);`,
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},
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saturate: {
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kind: 'op', label: 'saturate', desc: 'lerp(luma, rgb, s)',
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params: [
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{ k: 's', label: 's', min: 0, max: 2, d: 1, step: 0.01 },
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],
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body: (i) => `
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let luma = dot(c.rgb, vec3<f32>(0.2126, 0.7152, 0.0722));
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return vec4<f32>(mix(vec3<f32>(luma), c.rgb, u.params[${i}].x), c.a);`,
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},
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hueShift: {
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kind: 'op', label: 'hue shift', desc: 'rotar matiz',
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params: [
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{ k: 'h', label: 'h', min: 0, max: 1, d: 0, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let k = vec3<f32>(0.57735);
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let ca = cos(p.x * 6.2832);
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let sa = sin(p.x * 6.2832);
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let rot = c.rgb * ca + cross(k, c.rgb) * sa + k * dot(k, c.rgb) * (1.0 - ca);
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return vec4<f32>(rot, c.a);`,
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},
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tint: {
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kind: 'op', label: 'tint', desc: 'rgb × tinte',
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params: [
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{ k: 'r', label: 'r', min: 0, max: 2, d: 1, step: 0.01 },
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{ k: 'g', label: 'g', min: 0, max: 2, d: 1, step: 0.01 },
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{ k: 'b', label: 'b', min: 0, max: 2, d: 1, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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return vec4<f32>(c.rgb * vec3<f32>(p.x, p.y, p.z), c.a);`,
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},
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posterize: {
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kind: 'op', label: 'posterize', desc: 'cuantizar a N niveles',
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params: [
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{ k: 'levels', label: 'niveles', min: 2, max: 16, d: 5, step: 1 },
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],
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body: (i) => `
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let n = max(2.0, u.params[${i}].x);
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return vec4<f32>(floor(c.rgb * n) / n, c.a);`,
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},
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vignette: {
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kind: 'op', label: 'vignette', desc: 'oscurecer bordes',
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params: [
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{ k: 'strength', label: 'fuerza', min: 0, max: 2, d: 1, step: 0.01 },
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{ k: 'radius', label: 'radio', min: 0, max: 1.4, d: 0.5, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let d = length(uv - vec2<f32>(0.5));
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let v = 1.0 - smoothstep(p.y, p.y + 0.3, d) * p.x;
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return vec4<f32>(c.rgb * v, c.a);`,
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},
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ripple: {
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kind: 'op', label: 'ripple', desc: 'modular brillo con ondas',
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params: [
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{ k: 'freq', label: 'frecuencia', min: 1, max: 100, d: 30, step: 1 },
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{ k: 'amp', label: 'amplitud', min: 0, max: 1, d: 0.2, step: 0.01 },
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{ k: 'speed', label: 'velocidad', min: -5, max: 5, d: 2, step: 0.05 },
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],
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body: (i) => `
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let p = u.params[${i}];
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let d = length(uv - vec2<f32>(0.5));
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let w = sin(d * p.x - u.time * p.z) * p.y;
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return vec4<f32>(c.rgb * (1.0 + w), c.a);`,
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},
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pulse: {
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kind: 'op', label: 'pulse', desc: 'multiplicar por onda',
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params: [
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{ k: 'freq', label: 'frecuencia', min: 0, max: 10, d: 2, step: 0.05 },
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{ k: 'amount', label: 'cantidad', min: 0, max: 1, d: 0.3, step: 0.01 },
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],
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body: (i) => `
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let p = u.params[${i}];
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return vec4<f32>(c.rgb * (1.0 + p.y * sin(u.time * p.x)), c.a);`,
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},
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};
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const NODES_BY_KIND = {
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gen: Object.entries(NODES).filter(([, v]) => v.kind === 'gen').map(([k, v]) => ({ name: k, ...v })),
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op: Object.entries(NODES).filter(([, v]) => v.kind === 'op' ).map(([k, v]) => ({ name: k, ...v })),
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};
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// ═══════════════════════════════════════════════════════════════════
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// Compilador: DAG → WGSL
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// ═══════════════════════════════════════════════════════════════════
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function compileDagToWGSL(pipeline) {
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const safePipeline = pipeline.slice(0, MAX_NODES);
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const fns = safePipeline.map((step, idx) => {
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const def = NODES[step.name];
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return `fn node_${idx}(c: vec4<f32>, uv: vec2<f32>) -> vec4<f32> {${def.body(idx)}
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}`;
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}).join('\n\n');
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const chain = safePipeline.length === 0
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? ' // pipeline vacío · fondo por defecto\n c = vec4<f32>(0.04, 0.04, 0.06, 1.0);'
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: safePipeline.map((_, idx) => ` c = node_${idx}(c, uv);`).join('\n');
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return `struct Uniforms {
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time: f32,
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_pad: f32,
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resolution: vec2<f32>,
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params: array<vec4<f32>, ${MAX_NODES}>,
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};
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@group(0) @binding(0) var<uniform> u: Uniforms;
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@vertex
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fn vs(@builtin(vertex_index) i: u32) -> @builtin(position) vec4<f32> {
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let p = array<vec2<f32>, 3>(
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vec2<f32>(-1.0, -1.0),
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vec2<f32>( 3.0, -1.0),
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vec2<f32>(-1.0, 3.0)
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);
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return vec4<f32>(p[i], 0.0, 1.0);
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}
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${fns}
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@fragment
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fn fs(@builtin(position) pos: vec4<f32>) -> @location(0) vec4<f32> {
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let uv = pos.xy / u.resolution;
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var c = vec4<f32>(0.0, 0.0, 0.0, 1.0);
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${chain}
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return c;
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}
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`;
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}
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// ═══════════════════════════════════════════════════════════════════
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// Uniform buffer: escribe los valores actuales de params + time/res
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// ═══════════════════════════════════════════════════════════════════
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const UNIFORM_FLOATS = 4 + MAX_NODES * 4; // header (4) + params (MAX_NODES × 4)
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const UNIFORM_BYTES = UNIFORM_FLOATS * 4; // 272 bytes
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function writeUniforms(device, buffer, time, width, height, pipeline) {
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const data = new Float32Array(UNIFORM_FLOATS);
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data[0] = time;
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data[1] = 0;
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data[2] = width;
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data[3] = height;
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for (let i = 0; i < Math.min(pipeline.length, MAX_NODES); i++) {
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const step = pipeline[i];
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const def = NODES[step.name];
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const offset = 4 + i * 4;
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for (let j = 0; j < 4; j++) {
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const p = def.params[j];
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data[offset + j] = p ? (step.params[p.k] ?? p.d) : 0;
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}
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}
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device.queue.writeBuffer(buffer, 0, data);
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}
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// ═══════════════════════════════════════════════════════════════════
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// Hook WebGPU + compilación de DAG
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// ═══════════════════════════════════════════════════════════════════
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function useWebGPUDag(canvasRef, pipeline, topologyKey) {
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const gpu = useRef({
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device: null, context: null, format: null,
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pipeline: null, bindGroup: null, uniformBuffer: null,
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startTime: 0,
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});
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const pipelineRef = useRef(pipeline);
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useEffect(() => { pipelineRef.current = pipeline; }, [pipeline]);
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const [status, setStatus] = useState('init');
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const [shaderError, setShaderError] = useState(null);
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const [fps, setFps] = useState(0);
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// ── Init GPU ──
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useEffect(() => {
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let cancelled = false;
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(async () => {
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try {
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if (!navigator.gpu) { setStatus('unsupported'); return; }
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const adapter = await navigator.gpu.requestAdapter();
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if (!adapter) { setStatus('unsupported'); return; }
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const device = await adapter.requestDevice();
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if (cancelled) return;
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const canvas = canvasRef.current;
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if (!canvas) return;
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canvas.width = 400; canvas.height = 400;
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const context = canvas.getContext('webgpu');
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const format = navigator.gpu.getPreferredCanvasFormat();
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context.configure({ device, format, alphaMode: 'premultiplied' });
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const uniformBuffer = device.createBuffer({
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size: UNIFORM_BYTES,
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usage: GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST,
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});
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gpu.current = {
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...gpu.current, device, context, format, uniformBuffer,
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startTime: performance.now(),
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};
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device.lost.then(() => setStatus('error'));
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setStatus('ready');
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} catch (e) {
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console.error(e);
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setShaderError(String(e.message || e));
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setStatus('error');
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}
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})();
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return () => { cancelled = true; };
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}, [canvasRef]);
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// ── Recompilar shader (solo en cambios de topología) ──
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const compileShader = useCallback(async (wgsl) => {
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const { device, format, uniformBuffer } = gpu.current;
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if (!device) return;
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device.pushErrorScope('validation');
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const module = device.createShaderModule({ code: wgsl });
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const info = await module.getCompilationInfo();
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const errors = info.messages.filter(m => m.type === 'error');
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if (errors.length > 0) {
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setShaderError(errors.map(m => `línea ${m.lineNum}: ${m.message}`).join('\n'));
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await device.popErrorScope();
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return;
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}
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try {
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const p = device.createRenderPipeline({
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layout: 'auto',
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vertex: { module, entryPoint: 'vs' },
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fragment: { module, entryPoint: 'fs', targets: [{ format }] },
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primitive:{ topology: 'triangle-list' },
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});
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const bg = device.createBindGroup({
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layout: p.getBindGroupLayout(0),
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entries: [{ binding: 0, resource: { buffer: uniformBuffer } }],
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});
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gpu.current.pipeline = p;
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gpu.current.bindGroup = bg;
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setShaderError(null);
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} catch (e) {
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setShaderError(String(e.message || e));
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}
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const err = await device.popErrorScope();
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if (err) setShaderError(err.message);
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}, []);
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useEffect(() => {
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if (status !== 'ready') return;
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const wgsl = compileDagToWGSL(pipelineRef.current);
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compileShader(wgsl);
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}, [topologyKey, status, compileShader]);
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|
||
// ── Render loop (lee params actuales cada frame via ref) ──
|
||
useEffect(() => {
|
||
if (status !== 'ready') return;
|
||
let running = true;
|
||
let frames = 0;
|
||
let lastFpsSample = performance.now();
|
||
|
||
const loop = () => {
|
||
if (!running) return;
|
||
const { device, context, pipeline: gpuPipe, bindGroup, uniformBuffer, startTime } = gpu.current;
|
||
const canvas = canvasRef.current;
|
||
if (device && context && gpuPipe && bindGroup && canvas) {
|
||
const dpr = Math.min(window.devicePixelRatio || 1, 2);
|
||
const w = Math.max(1, Math.floor(canvas.clientWidth * dpr));
|
||
const h = Math.max(1, Math.floor(canvas.clientHeight * dpr));
|
||
if (canvas.width !== w || canvas.height !== h) {
|
||
canvas.width = w; canvas.height = h;
|
||
}
|
||
const t = (performance.now() - startTime) / 1000;
|
||
writeUniforms(device, uniformBuffer, t, canvas.width, canvas.height, pipelineRef.current);
|
||
|
||
const encoder = device.createCommandEncoder();
|
||
const pass = encoder.beginRenderPass({
|
||
colorAttachments: [{
|
||
view: context.getCurrentTexture().createView(),
|
||
clearValue: { r: 0, g: 0, b: 0, a: 1 },
|
||
loadOp: 'clear', storeOp: 'store',
|
||
}],
|
||
});
|
||
pass.setPipeline(gpuPipe);
|
||
pass.setBindGroup(0, bindGroup);
|
||
pass.draw(3);
|
||
pass.end();
|
||
device.queue.submit([encoder.finish()]);
|
||
|
||
frames++;
|
||
const now = performance.now();
|
||
if (now - lastFpsSample >= 500) {
|
||
setFps(Math.round((frames * 1000) / (now - lastFpsSample)));
|
||
frames = 0; lastFpsSample = now;
|
||
}
|
||
}
|
||
requestAnimationFrame(loop);
|
||
};
|
||
requestAnimationFrame(loop);
|
||
return () => { running = false; };
|
||
}, [status, canvasRef]);
|
||
|
||
const resetTime = useCallback(() => {
|
||
gpu.current.startTime = performance.now();
|
||
}, []);
|
||
|
||
return { status, shaderError, fps, resetTime };
|
||
}
|
||
|
||
// ═══════════════════════════════════════════════════════════════════
|
||
// Utilidades
|
||
// ═══════════════════════════════════════════════════════════════════
|
||
let _uid = 0;
|
||
const uid = () => `n${++_uid}_${Date.now().toString(36)}`;
|
||
function defaultParams(name) {
|
||
const d = NODES[name];
|
||
return Object.fromEntries((d.params || []).map(p => [p.k, p.d]));
|
||
}
|
||
|
||
// ═══════════════════════════════════════════════════════════════════
|
||
// Sub-componentes
|
||
// ═══════════════════════════════════════════════════════════════════
|
||
|
||
function PaletteItem({ node, color, onDragStart, onClick }) {
|
||
return (
|
||
<div
|
||
draggable
|
||
onDragStart={(e) => {
|
||
e.dataTransfer.setData('text/node-name', node.name);
|
||
e.dataTransfer.effectAllowed = 'copy';
|
||
onDragStart?.();
|
||
}}
|
||
onClick={onClick}
|
||
className="group flex items-center gap-2 px-2 py-1 rounded cursor-grab active:cursor-grabbing select-none transition-colors hover:bg-neutral-800/60"
|
||
style={{ borderLeft: `2px solid ${color}` }}
|
||
title={node.desc}
|
||
>
|
||
<span className="font-mono text-[11px] font-medium flex-1" style={{ color }}>{node.label}</span>
|
||
<span className="font-mono text-[8px] text-neutral-600 opacity-0 group-hover:opacity-100 transition-opacity uppercase tracking-wider">drag</span>
|
||
</div>
|
||
);
|
||
}
|
||
|
||
function ParamSlider({ param, value, onChange, color }) {
|
||
const display = param.step >= 1 ? Math.round(value) : Number(value).toFixed(param.step < 0.1 ? 3 : 2);
|
||
return (
|
||
<div className="flex items-center gap-2">
|
||
<span className="font-mono text-[10px] text-neutral-400 w-14 shrink-0">{param.label}</span>
|
||
<input
|
||
type="range"
|
||
min={param.min} max={param.max} step={param.step}
|
||
value={value}
|
||
onChange={(e) => onChange(Number(e.target.value))}
|
||
className="flex-1"
|
||
style={{ accentColor: color, minWidth: '60px' }}
|
||
/>
|
||
<span className="font-mono text-[10px] text-neutral-500 w-10 text-right tabular-nums shrink-0">{display}</span>
|
||
</div>
|
||
);
|
||
}
|
||
|
||
function PipelineNode({ step, index, onRemove, onParamChange, onDragStart, onDrop, isDragging }) {
|
||
const def = NODES[step.name];
|
||
const color = def.kind === 'gen' ? GEN_COLOR : OP_COLOR;
|
||
return (
|
||
<div
|
||
draggable
|
||
onDragStart={(e) => {
|
||
e.dataTransfer.setData('text/reorder-index', String(index));
|
||
e.dataTransfer.effectAllowed = 'move';
|
||
onDragStart?.(index);
|
||
}}
|
||
onDragOver={(e) => e.preventDefault()}
|
||
onDrop={(e) => onDrop?.(e, index)}
|
||
className="rounded-lg transition-all"
|
||
style={{
|
||
background: `linear-gradient(180deg, ${color}14 0%, ${color}06 100%)`,
|
||
border: `1px solid ${color}30`,
|
||
opacity: isDragging ? 0.4 : 1,
|
||
}}
|
||
>
|
||
<div className="flex items-center gap-2 px-2.5 py-1.5 border-b" style={{ borderColor: `${color}20` }}>
|
||
<GripVertical size={11} className="text-neutral-600 cursor-grab shrink-0" />
|
||
<span className="font-mono text-[9px] uppercase tracking-wider text-neutral-500 shrink-0">
|
||
{def.kind} · {index}
|
||
</span>
|
||
<span className="font-mono text-xs font-semibold flex-1 truncate" style={{ color }}>{def.label}</span>
|
||
<button
|
||
onClick={() => onRemove(index)}
|
||
className="text-neutral-500 hover:text-neutral-200 p-0.5"
|
||
aria-label="Eliminar"
|
||
>
|
||
<X size={11} />
|
||
</button>
|
||
</div>
|
||
{def.params.length > 0 && (
|
||
<div className="px-2.5 py-2 flex flex-col gap-1.5">
|
||
{def.params.map(p => (
|
||
<ParamSlider
|
||
key={p.k}
|
||
param={p}
|
||
value={step.params[p.k] ?? p.d}
|
||
onChange={(v) => onParamChange(index, p.k, v)}
|
||
color={color}
|
||
/>
|
||
))}
|
||
</div>
|
||
)}
|
||
{def.params.length === 0 && (
|
||
<div className="px-2.5 py-1.5 font-mono text-[9px] text-neutral-600 italic">sin parámetros</div>
|
||
)}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
function StatusBadge({ status }) {
|
||
const map = {
|
||
init: { color: '#fbbf24', label: 'inicializando' },
|
||
ready: { color: ACCENT, label: 'activo' },
|
||
unsupported: { color: '#f43f5e', label: 'sin webgpu' },
|
||
error: { color: '#f43f5e', label: 'error' },
|
||
};
|
||
const s = map[status] || map.init;
|
||
return (
|
||
<span className="flex items-center gap-1.5">
|
||
<span className="w-1.5 h-1.5 rounded-full" style={{ background: s.color, boxShadow: `0 0 8px ${s.color}` }} />
|
||
<span className="font-mono text-[10px]" style={{ color: s.color }}>{s.label}</span>
|
||
</span>
|
||
);
|
||
}
|
||
|
||
function StatusOverlay({ status, error }) {
|
||
if (status === 'ready') return null;
|
||
return (
|
||
<div className="absolute inset-0 flex items-center justify-center p-6 text-center" style={{ background: 'rgba(0,0,0,0.7)', backdropFilter: 'blur(4px)' }}>
|
||
{status === 'init' && <div className="font-mono text-[11px] text-neutral-400">inicializando adaptador GPU…</div>}
|
||
{status === 'unsupported' && (
|
||
<div className="max-w-sm">
|
||
<div className="font-display text-xl italic mb-2" style={{ color: '#f43f5e' }}>WebGPU no disponible</div>
|
||
<div className="font-mono text-[10px] text-neutral-400 leading-relaxed">
|
||
chrome/edge 113+, safari 18+, o firefox nightly con flag. si estás en un navegador compatible, prueba abrir el artifact en pestaña nueva.
|
||
</div>
|
||
</div>
|
||
)}
|
||
{status === 'error' && (
|
||
<div className="max-w-sm">
|
||
<div className="font-display text-xl italic mb-2" style={{ color: '#f43f5e' }}>error</div>
|
||
<div className="font-mono text-[10px] text-neutral-400 whitespace-pre-wrap">{error}</div>
|
||
</div>
|
||
)}
|
||
</div>
|
||
);
|
||
}
|
||
|
||
// ═══════════════════════════════════════════════════════════════════
|
||
// APP
|
||
// ═══════════════════════════════════════════════════════════════════
|
||
|
||
export default function App() {
|
||
const canvasRef = useRef(null);
|
||
const [pipeline, setPipeline] = useState(() => [
|
||
{ id: uid(), name: 'plasma', params: defaultParams('plasma') },
|
||
{ id: uid(), name: 'vignette', params: defaultParams('vignette') },
|
||
]);
|
||
const [dragIndex, setDragIndex] = useState(null);
|
||
const [wgslOpen, setWgslOpen] = useState(false);
|
||
|
||
// La clave de topología cambia SOLO cuando cambia la estructura (no params)
|
||
const topologyKey = useMemo(() => pipeline.map(s => s.name).join('|'), [pipeline]);
|
||
|
||
const { status, shaderError, fps, resetTime } = useWebGPUDag(canvasRef, pipeline, topologyKey);
|
||
|
||
const generatedWGSL = useMemo(() => compileDagToWGSL(pipeline), [topologyKey]);
|
||
|
||
const addNode = (name) => {
|
||
if (pipeline.length >= MAX_NODES) return;
|
||
setPipeline(p => [...p, { id: uid(), name, params: defaultParams(name) }]);
|
||
};
|
||
const removeNode = (idx) => setPipeline(p => p.filter((_, i) => i !== idx));
|
||
const changeParam = (idx, key, value) => {
|
||
setPipeline(p => p.map((s, i) => i === idx ? { ...s, params: { ...s.params, [key]: value } } : s));
|
||
};
|
||
|
||
const handleDropOnZone = (e) => {
|
||
e.preventDefault();
|
||
const nodeName = e.dataTransfer.getData('text/node-name');
|
||
const reorderIdx = e.dataTransfer.getData('text/reorder-index');
|
||
if (nodeName && NODES[nodeName]) {
|
||
addNode(nodeName);
|
||
} else if (reorderIdx !== '') {
|
||
const from = Number(reorderIdx);
|
||
setPipeline(p => {
|
||
const copy = [...p];
|
||
const [m] = copy.splice(from, 1);
|
||
copy.push(m);
|
||
return copy;
|
||
});
|
||
}
|
||
setDragIndex(null);
|
||
};
|
||
|
||
const handleDropOnNode = (e, targetIdx) => {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
const nodeName = e.dataTransfer.getData('text/node-name');
|
||
const reorderIdx = e.dataTransfer.getData('text/reorder-index');
|
||
if (nodeName && NODES[nodeName]) {
|
||
setPipeline(p => {
|
||
const copy = [...p];
|
||
copy.splice(targetIdx, 0, { id: uid(), name: nodeName, params: defaultParams(nodeName) });
|
||
return copy;
|
||
});
|
||
} else if (reorderIdx !== '') {
|
||
const from = Number(reorderIdx);
|
||
if (from === targetIdx) return;
|
||
setPipeline(p => {
|
||
const copy = [...p];
|
||
const [m] = copy.splice(from, 1);
|
||
const adj = from < targetIdx ? targetIdx - 1 : targetIdx;
|
||
copy.splice(adj, 0, m);
|
||
return copy;
|
||
});
|
||
}
|
||
setDragIndex(null);
|
||
};
|
||
|
||
return (
|
||
<div className="w-full min-h-screen text-neutral-200" style={{
|
||
background: 'radial-gradient(ellipse at top, #0f1419 0%, #06080a 60%, #030506 100%)',
|
||
fontFamily: "'JetBrains Mono', ui-monospace, monospace",
|
||
}}>
|
||
<style>{`
|
||
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..900;1,9..144,300..900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');
|
||
.font-display { font-family: 'Fraunces', serif; font-optical-sizing: auto; }
|
||
.font-mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
|
||
.grid-bg {
|
||
background-image:
|
||
linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
|
||
linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
|
||
background-size: 24px 24px;
|
||
}
|
||
::-webkit-scrollbar { width: 8px; height: 8px; }
|
||
::-webkit-scrollbar-track { background: transparent; }
|
||
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }
|
||
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.16); }
|
||
input[type="range"] { height: 4px; }
|
||
`}</style>
|
||
|
||
<div className="grid-bg min-h-screen">
|
||
{/* HEADER */}
|
||
<header className="px-6 pt-6 pb-5 border-b border-white/5">
|
||
<div className="flex items-end justify-between flex-wrap gap-4">
|
||
<div>
|
||
<div className="flex items-baseline gap-3">
|
||
<span className="font-mono text-[10px] uppercase tracking-[0.3em] text-neutral-500">lab · 003</span>
|
||
<span className="font-mono text-[10px] text-neutral-700">/</span>
|
||
<span className="font-mono text-[10px] text-neutral-500">shader dag · webgpu</span>
|
||
<span className="font-mono text-[10px] text-neutral-700">/</span>
|
||
<StatusBadge status={status} />
|
||
</div>
|
||
<h1 className="font-display text-3xl font-light tracking-tight mt-1.5">
|
||
composición de <em className="italic" style={{ color: ACCENT }}>fragmentos</em>
|
||
</h1>
|
||
<p className="font-mono text-[11px] text-neutral-500 mt-1.5 max-w-2xl">
|
||
cada nodo emite un snippet WGSL · el DAG se concatena en un único fragment shader · los sliders actualizan uniforms sin recompilar
|
||
</p>
|
||
</div>
|
||
<div className="flex items-center gap-3">
|
||
<span className="font-mono text-[10px] text-neutral-600">{fps} fps</span>
|
||
<button
|
||
onClick={resetTime}
|
||
className="flex items-center gap-1.5 font-mono text-[10px] uppercase tracking-wider text-neutral-500 hover:text-neutral-200 border border-white/10 hover:border-white/30 px-3 py-1.5 rounded transition-colors"
|
||
>
|
||
<RotateCcw size={11} /> reset t
|
||
</button>
|
||
<button
|
||
onClick={() => setPipeline([])}
|
||
className="flex items-center gap-1.5 font-mono text-[10px] uppercase tracking-wider text-neutral-500 hover:text-neutral-200 border border-white/10 hover:border-white/30 px-3 py-1.5 rounded transition-colors"
|
||
>
|
||
<Trash2 size={11} /> vaciar
|
||
</button>
|
||
</div>
|
||
</div>
|
||
</header>
|
||
|
||
{/* MAIN · 3 columnas: paleta | pipeline+sliders | canvas+wgsl */}
|
||
<main style={{
|
||
display: 'grid',
|
||
gridTemplateColumns: '180px minmax(280px, 1fr) minmax(320px, 420px)',
|
||
minHeight: 'calc(100vh - 110px)',
|
||
overflowX: 'auto',
|
||
}}>
|
||
{/* ── PALETA ── */}
|
||
<aside className="border-r border-white/5 p-4 overflow-y-auto" style={{ maxHeight: 'calc(100vh - 110px)' }}>
|
||
<div className="font-mono text-[10px] uppercase tracking-[0.25em] text-neutral-500 mb-4">primitivas</div>
|
||
|
||
<section className="mb-5">
|
||
<div className="flex items-center gap-2 mb-2 px-1">
|
||
<span className="w-1.5 h-1.5 rounded-full" style={{ background: GEN_COLOR, boxShadow: `0 0 8px ${GEN_COLOR}` }} />
|
||
<span className="font-display text-sm italic" style={{ color: GEN_COLOR }}>generadores</span>
|
||
</div>
|
||
<div className="font-mono text-[9px] text-neutral-600 mb-2 px-1">producen color · ignoran c</div>
|
||
<div className="flex flex-col gap-0.5">
|
||
{NODES_BY_KIND.gen.map(n => (
|
||
<PaletteItem key={n.name} node={n} color={GEN_COLOR} onClick={() => addNode(n.name)} />
|
||
))}
|
||
</div>
|
||
</section>
|
||
|
||
<section>
|
||
<div className="flex items-center gap-2 mb-2 px-1">
|
||
<span className="w-1.5 h-1.5 rounded-full" style={{ background: OP_COLOR, boxShadow: `0 0 8px ${OP_COLOR}` }} />
|
||
<span className="font-display text-sm italic" style={{ color: OP_COLOR }}>operadores</span>
|
||
</div>
|
||
<div className="font-mono text-[9px] text-neutral-600 mb-2 px-1">transforman c · punto a punto</div>
|
||
<div className="flex flex-col gap-0.5">
|
||
{NODES_BY_KIND.op.map(n => (
|
||
<PaletteItem key={n.name} node={n} color={OP_COLOR} onClick={() => addNode(n.name)} />
|
||
))}
|
||
</div>
|
||
</section>
|
||
|
||
<div className="mt-6 pt-4 border-t border-white/5 font-mono text-[9px] text-neutral-600 leading-relaxed">
|
||
tip · click o drag para añadir. reordena arrastrando nodos del pipeline.
|
||
</div>
|
||
</aside>
|
||
|
||
{/* ── PIPELINE (vertical, con sliders integrados) ── */}
|
||
<section className="p-4 overflow-y-auto border-r border-white/5" style={{ maxHeight: 'calc(100vh - 110px)' }}>
|
||
<div className="flex items-baseline gap-3 mb-3">
|
||
<span className="font-mono text-[10px] uppercase tracking-[0.25em] text-neutral-500">pipeline</span>
|
||
<span className="font-mono text-[10px] text-neutral-600">
|
||
{pipeline.length}/{MAX_NODES} nodos
|
||
</span>
|
||
</div>
|
||
|
||
<div
|
||
onDragOver={(e) => { e.preventDefault(); e.dataTransfer.dropEffect = 'copy'; }}
|
||
onDrop={handleDropOnZone}
|
||
className="rounded-xl border border-dashed border-white/10 p-3 transition-colors hover:border-white/20"
|
||
style={{ background: 'rgba(255,255,255,0.015)', minHeight: '300px' }}
|
||
>
|
||
{pipeline.length === 0 ? (
|
||
<div className="flex flex-col items-center justify-center py-16 text-center">
|
||
<div className="font-display text-lg italic text-neutral-500 mb-1">pipeline vacío</div>
|
||
<div className="font-mono text-[10px] text-neutral-600">arrastra una primitiva de la izquierda</div>
|
||
</div>
|
||
) : (
|
||
<div className="flex flex-col gap-2">
|
||
{pipeline.map((step, i) => (
|
||
<PipelineNode
|
||
key={step.id}
|
||
step={step}
|
||
index={i}
|
||
onRemove={removeNode}
|
||
onParamChange={changeParam}
|
||
onDragStart={setDragIndex}
|
||
onDrop={handleDropOnNode}
|
||
isDragging={dragIndex === i}
|
||
/>
|
||
))}
|
||
</div>
|
||
)}
|
||
</div>
|
||
|
||
<div className="mt-4 font-mono text-[9px] text-neutral-600 leading-relaxed border-l-2 border-neutral-800 pl-3">
|
||
<span style={{ color: GEN_COLOR }}>gen</span> produce · <span style={{ color: OP_COLOR }}>op</span> transforma · el flujo es c ← node₀ ← node₁ ← … ← nodeₙ
|
||
</div>
|
||
</section>
|
||
|
||
{/* ── CANVAS + WGSL ── */}
|
||
<aside className="p-4 overflow-y-auto flex flex-col gap-3" style={{ maxHeight: 'calc(100vh - 110px)' }}>
|
||
<div className="flex items-baseline gap-3">
|
||
<span className="font-mono text-[10px] uppercase tracking-[0.25em] text-neutral-500">output</span>
|
||
<span className="font-mono text-[9px] text-neutral-600">fragment · fullscreen triangle</span>
|
||
</div>
|
||
<div
|
||
className="rounded-xl border border-white/10 overflow-hidden relative"
|
||
style={{
|
||
aspectRatio: '1/1',
|
||
background: '#000',
|
||
boxShadow: `0 0 0 1px ${ACCENT}10, 0 20px 60px -30px ${ACCENT}30`,
|
||
}}
|
||
>
|
||
<canvas ref={canvasRef} className="block" style={{ width: '100%', height: '100%' }} />
|
||
{status !== 'ready' && <StatusOverlay status={status} error={shaderError} />}
|
||
</div>
|
||
|
||
{shaderError && status === 'ready' && (
|
||
<div className="rounded-lg p-3" style={{ background: '#f43f5e0a', border: '1px solid #f43f5e30' }}>
|
||
<div className="font-mono text-[10px] uppercase tracking-[0.2em] text-rose-400 mb-1.5 flex items-center gap-1.5">
|
||
<AlertCircle size={11} /> compilación fallida
|
||
</div>
|
||
<pre className="font-mono text-[10px] text-rose-300 whitespace-pre-wrap leading-relaxed">{shaderError}</pre>
|
||
<div className="font-mono text-[9px] text-neutral-500 mt-2">último pipeline válido sigue activo</div>
|
||
</div>
|
||
)}
|
||
|
||
{/* WGSL viewer */}
|
||
<div className="rounded-lg border border-white/5" style={{ background: 'rgba(255,255,255,0.015)' }}>
|
||
<button
|
||
onClick={() => setWgslOpen(o => !o)}
|
||
className="w-full flex items-center gap-2 px-3 py-2 font-mono text-[10px] uppercase tracking-[0.2em] text-neutral-500 hover:text-neutral-300"
|
||
>
|
||
{wgslOpen ? <ChevronDown size={11} /> : <ChevronRight size={11} />}
|
||
wgsl generado
|
||
<span className="ml-auto text-neutral-600 normal-case tracking-normal">{generatedWGSL.split('\n').length} líneas</span>
|
||
</button>
|
||
{wgslOpen && (
|
||
<pre className="font-mono text-[10px] text-neutral-400 px-3 pb-3 overflow-auto leading-relaxed" style={{ maxHeight: '260px' }}>
|
||
{generatedWGSL}
|
||
</pre>
|
||
)}
|
||
</div>
|
||
|
||
<div className="font-mono text-[9px] text-neutral-600 leading-relaxed border-l-2 border-neutral-800 pl-3">
|
||
los sliders escriben a <span style={{ color: ACCENT }}>u.params[idx]</span> sin recompilar · solo cambios de topología regeneran WGSL
|
||
</div>
|
||
</aside>
|
||
</main>
|
||
</div>
|
||
</div>
|
||
);
|
||
}
|