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c103e1257f
The payload-independence rule is the one thing about this repo that is easy to violate by being helpful. Stating it where it will be read before the first edit is cheaper than catching it in review.
88 lines
3.6 KiB
Markdown
88 lines
3.6 KiB
Markdown
<h1>
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<p >
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<img src="./wordmark.svg" alt="Nestri logo" width="300" />
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</p>
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</h1>
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<p><strong>Run your games on a GPU you don't own — or one you do.</strong> Nestri puts an interactive workload in a hardware-accelerated virtual machine and streams it to you over QUIC, at a latency that lets you play rather than watch.</p>
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> [!NOTE]
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> **This repository is mid-rewrite, and the documentation is behind the code.**
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> The guest-side components arrived recently and their docs are thin. Nothing
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> here is stable yet: expect directories to move and interfaces to change.
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> Proper documentation is on the way — issues and questions are welcome in the
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> meantime, and are genuinely useful for deciding what to write first.
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## What is here
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Two halves that meet over the network and share very little else.
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### The control plane — TypeScript, on Cloudflare Workers
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| [`apps/api`](apps/api) | The public REST API. Identity, teams, machines, games, pairing. |
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| [`apps/auth`](apps/auth) | A self-hosted OpenAuth issuer — Steam and SSH-key login. |
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| [`packages/core`](packages/core) | The domain: every table, every operation, no HTTP. |
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| [`packages/auth`](packages/auth) | Shared auth types and subjects. |
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Postgres for state, [Alchemy](https://alchemy.run) for infrastructure. See
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[`docs/alchemy.md`](docs/alchemy.md).
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### The guest — Rust, inside the box
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These run *inside* a virtual machine, beside the game. None of them talk to the
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control plane.
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| [`apps/nescope`](apps/nescope) | A headless Wayland compositor for one fullscreen client. A lighter answer to the same problem gamescope solves. |
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| [`apps/nescapture`](apps/nescapture) | A Vulkan implicit layer. It captures frames from inside the workload's own process and encodes them on the GPU that drew them — no copy out to the CPU and back. |
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| [`apps/neswire`](apps/neswire) | Audio capture and transport. |
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| [`apps/neshub`](apps/neshub) | One connection out of the box. Muxes video, audio, cursor and input into a single QUIC stream to the client. |
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| [`crates/nesprotocol`](crates/nesprotocol) | The wire types they all share, so no two ends can drift apart silently. |
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The hypervisor these run under is [`nesbox`](https://github.com/nestrilabs/nesbox),
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a separate repository: a micro-VM with a real GPU in it, using virtio-gpu native
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context rather than passthrough, so one card can host several boxes at once.
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## Why a virtual machine
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A container shares the host kernel, which makes strong isolation hard and a GPU
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harder. A micro-VM boots in about as long, isolates properly, and — with native
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context — gets close to bare-metal graphics. That choice is what makes "many
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sandboxes, one GPU" possible instead of one tenant per card.
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## Getting started
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```sh
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bun install
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bun dev # control plane, local Cloudflare runtime
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cargo build --workspace # guest components
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cargo test --workspace
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```
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The Rust components expect a Linux host with a Wayland-capable GPU stack. They
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are not much use on their own yet — they are pieces of a box, and the thing that
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assembles a box is not open yet.
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## Status
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Working: the API, auth, the domain model, and the guest components listed above.
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Not here yet: the box lifecycle, storage, the edge, and the client. Some of that
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will open as it is written; some is deliberately closed. What decides which is
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whether it handles your data — that half is open on principle — or decides our
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capacity, which is the part we sell.
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## Contributing
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Early, and the ground moves. The most useful contribution right now is telling
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us where the documentation failed you. Conventional commits; explain *why* in
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the body.
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## Licence
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[Apache 2.0](LICENSE).
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