Rewrite

1const profiles: Record<string, string> = {
2  original: "gpu",
3  lookup: "gpu,materials",
4  mesh: "gpu,mesh,materials",
5  studio: "gpu,fast,environment,materials,aa",
6  matcap: "gpu,matcap,materials,aa",
7};
8const params =
9  typeof location === "undefined" ? new URLSearchParams() : new URLSearchParams(location.search);
10function resolveFlags(profile: string) {
11  const flags = new Set(
12    (params.has("rewrite") ? params.get("rewrite")! : profiles[profile] || profiles.studio).split(
13      ",",
14    ),
15  );
16  return {
17    gpu: flags.has("gpu"),
18    environment: flags.has("environment"),
19    materials: flags.has("materials"),
20    matcap: flags.has("matcap"),
21    fast: flags.has("fast"),
22    aa: flags.has("aa"),
23    mesh: flags.has("mesh") || flags.has("matcap") || flags.has("fast"),
24  };
25}
26export const RW = resolveFlags(typeof window === "undefined" ? "original" : "studio");
27export const rwMetrics: any = { flags: RW, stages: [], sdf: [], start: performance.now() };
28if (typeof window !== "undefined") (window as any).__rewrite = rwMetrics;
29/** Host variables may be injected after the external bundle executes. Resolve
30 * the profile from the same merged values as the composition, before mounting. */
31export function setRendererProfile(profile = "studio") {
32  Object.assign(RW, resolveFlags(profile));
33  rwMetrics.profile = profile;
34}