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Monorepo for Aesthetic.Computer aesthetic.computer
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3.2 kB · 79 lines
JavaScript
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980#!/usr/bin/env node// KidLisp WASM Runner — Verifiable Visual Compute//// The WASM module contains everything: renderer + pixel buffer + piece code.// This host only provides memory and reads pixels out. Nothing to fake.
import { readFileSync, writeFileSync } from "fs";import { Compiler } from "./compiler.mjs";
const WIDTH = parseInt(process.argv[3]) || 128;const HEIGHT = parseInt(process.argv[4]) || 128;
const input = process.argv[2] || "hello.lisp";const source = readFileSync(new URL(input, import.meta.url).pathname, "utf-8");
console.log(`Compiling ${input}...`);const compiler = new Compiler();const wasmBytes = compiler.compile(source);console.log(`WASM binary: ${wasmBytes.length} bytes (self-contained renderer)`);
// Instantiate — math imports only, rendering is self-contained.const { instance } = await WebAssembly.instantiate(wasmBytes, { math: { sin: (x) => Math.fround(Math.sin(x)), cos: (x) => Math.fround(Math.cos(x)), random: () => Math.fround(Math.random()), },});
console.log(`Running paint(${WIDTH}, ${HEIGHT}, 0)...`);instance.exports.paint(WIDTH, HEIGHT, 0);
// Read pixels directly from WASM linear memoryconst mem = new Uint8Array(instance.exports.memory.buffer);
// ─── Output PPM ─────────────────────────────────────────────────────
const header = `P6\n${WIDTH} ${HEIGHT}\n255\n`;const ppm = Buffer.alloc(header.length + WIDTH * HEIGHT * 3);ppm.write(header);let offset = header.length;for (let i = 0; i < WIDTH * HEIGHT * 4; i += 4) { ppm[offset++] = mem[i]; ppm[offset++] = mem[i + 1]; ppm[offset++] = mem[i + 2];}
const outFile = input.replace(/\.lisp$/, ".ppm");writeFileSync(new URL(outFile, import.meta.url).pathname, ppm.slice(0, offset));console.log(`Wrote ${outFile} (${WIDTH}x${HEIGHT})`);
// ─── Terminal Preview ───────────────────────────────────────────────
const PW = Math.min(WIDTH, 64);const sx = WIDTH / PW;const sy = (HEIGHT / PW) * 2;
console.log(`\nPreview (${PW} cols):`);for (let row = 0; row < PW; row++) { let line = ""; for (let col = 0; col < PW; col++) { const tx = Math.floor(col * sx); const ty = Math.floor(row * sy); const by = Math.min(Math.floor(row * sy + sy / 2), HEIGHT - 1); const ti = (ty * WIDTH + tx) * 4; const bi = (by * WIDTH + tx) * 4; line += `\x1b[38;2;${mem[ti]};${mem[ti+1]};${mem[ti+2]};48;2;${mem[bi]};${mem[bi+1]};${mem[bi+2]}m\u2580`; } process.stdout.write(line + "\x1b[0m\n");}
// ─── Verify ─────────────────────────────────────────────────────────
// Hash the pixel buffer for verifiabilityconst { createHash } = await import("crypto");const pixelData = mem.slice(0, WIDTH * HEIGHT * 4);const hash = createHash("sha256").update(pixelData).digest("hex").slice(0, 16);console.log(`\nPixel hash: ${hash}`);console.log(`Module size: ${wasmBytes.length} bytes | Buffer: ${WIDTH}x${HEIGHT} RGBA`);