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set up basic windowing

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Schrottkatze 2024-02-02 08:52:26 +01:00
commit 5fac63a0de
Signed by: schrottkatze
GPG key ID: 5621290CA02C7BD8
7 changed files with 2103 additions and 0 deletions
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1
.envrc Normal file
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use flake . --impure

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.gitignore vendored Normal file
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/target
.devenv/
.direnv/
.pre-commit-config.yaml

1647
Cargo.lock generated Normal file
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Cargo.toml Normal file
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[package]
name = "pong"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
softbuffer = "0.4.1"
winit = "0.29.10"

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{
"nodes": {
"devenv": {
"inputs": {
"flake-compat": "flake-compat",
"nix": "nix",
"nixpkgs": "nixpkgs",
"pre-commit-hooks": "pre-commit-hooks"
},
"locked": {
"lastModified": 1706018268,
"narHash": "sha256-d24+re0t8b6HYGzAPZCIJed85n23RUFXQa2yuHoW0uQ=",
"owner": "cachix",
"repo": "devenv",
"rev": "ad0ae333b210e31237e1fc4a7ddab71a01785add",
"type": "github"
},
"original": {
"owner": "cachix",
"repo": "devenv",
"type": "github"
}
},
"fenix": {
"inputs": {
"nixpkgs": "nixpkgs_2",
"rust-analyzer-src": "rust-analyzer-src"
},
"locked": {
"lastModified": 1706854869,
"narHash": "sha256-MUEwsK16OOG6/j0LZ0R0KhCcvJRKZHVXrBgLX7hZums=",
"owner": "nix-community",
"repo": "fenix",
"rev": "b03d2939685937a327f17df832bf9e8944ed9e3a",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "fenix",
"type": "github"
}
},
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1673956053,
"narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1685518550,
"narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"gitignore": {
"inputs": {
"nixpkgs": [
"devenv",
"pre-commit-hooks",
"nixpkgs"
]
},
"locked": {
"lastModified": 1660459072,
"narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
"owner": "hercules-ci",
"repo": "gitignore.nix",
"rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
"type": "github"
},
"original": {
"owner": "hercules-ci",
"repo": "gitignore.nix",
"type": "github"
}
},
"lowdown-src": {
"flake": false,
"locked": {
"lastModified": 1633514407,
"narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
"owner": "kristapsdz",
"repo": "lowdown",
"rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
"type": "github"
},
"original": {
"owner": "kristapsdz",
"repo": "lowdown",
"type": "github"
}
},
"nix": {
"inputs": {
"lowdown-src": "lowdown-src",
"nixpkgs": [
"devenv",
"nixpkgs"
],
"nixpkgs-regression": "nixpkgs-regression"
},
"locked": {
"lastModified": 1676545802,
"narHash": "sha256-EK4rZ+Hd5hsvXnzSzk2ikhStJnD63odF7SzsQ8CuSPU=",
"owner": "domenkozar",
"repo": "nix",
"rev": "7c91803598ffbcfe4a55c44ac6d49b2cf07a527f",
"type": "github"
},
"original": {
"owner": "domenkozar",
"ref": "relaxed-flakes",
"repo": "nix",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1678875422,
"narHash": "sha256-T3o6NcQPwXjxJMn2shz86Chch4ljXgZn746c2caGxd8=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "126f49a01de5b7e35a43fd43f891ecf6d3a51459",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-regression": {
"locked": {
"lastModified": 1643052045,
"narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github"
}
},
"nixpkgs-stable": {
"locked": {
"lastModified": 1685801374,
"narHash": "sha256-otaSUoFEMM+LjBI1XL/xGB5ao6IwnZOXc47qhIgJe8U=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "c37ca420157f4abc31e26f436c1145f8951ff373",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-23.05",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_2": {
"locked": {
"lastModified": 1706550542,
"narHash": "sha256-UcsnCG6wx++23yeER4Hg18CXWbgNpqNXcHIo5/1Y+hc=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "97b17f32362e475016f942bbdfda4a4a72a8a652",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_3": {
"locked": {
"lastModified": 1706550542,
"narHash": "sha256-UcsnCG6wx++23yeER4Hg18CXWbgNpqNXcHIo5/1Y+hc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "97b17f32362e475016f942bbdfda4a4a72a8a652",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"pre-commit-hooks": {
"inputs": {
"flake-compat": [
"devenv",
"flake-compat"
],
"flake-utils": "flake-utils",
"gitignore": "gitignore",
"nixpkgs": [
"devenv",
"nixpkgs"
],
"nixpkgs-stable": "nixpkgs-stable"
},
"locked": {
"lastModified": 1704725188,
"narHash": "sha256-qq8NbkhRZF1vVYQFt1s8Mbgo8knj+83+QlL5LBnYGpI=",
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"rev": "ea96f0c05924341c551a797aaba8126334c505d2",
"type": "github"
},
"original": {
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"type": "github"
}
},
"root": {
"inputs": {
"devenv": "devenv",
"fenix": "fenix",
"nixpkgs": "nixpkgs_3",
"systems": "systems_2"
}
},
"rust-analyzer-src": {
"flake": false,
"locked": {
"lastModified": 1706797398,
"narHash": "sha256-UCKJaYBAjyOF7w6exlcPgU6Fp8+YGzMN3ID7rpzxAa8=",
"owner": "rust-lang",
"repo": "rust-analyzer",
"rev": "850ba2fb6395cb39edef263256f7ba334f9142dc",
"type": "github"
},
"original": {
"owner": "rust-lang",
"ref": "nightly",
"repo": "rust-analyzer",
"type": "github"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
},
"systems_2": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
systems.url = "github:nix-systems/default";
devenv.url = "github:cachix/devenv";
fenix.url = "github:nix-community/fenix";
};
nixConfig = {
extra-trusted-public-keys = "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=";
extra-substituters = "https://devenv.cachix.org";
};
outputs = {
self,
nixpkgs,
devenv,
systems,
...
} @ inputs: let
forEachSystem = nixpkgs.lib.genAttrs (import systems);
in {
devShells =
forEachSystem
(system: let
pkgs = nixpkgs.legacyPackages.${system};
in {
default = devenv.lib.mkShell {
inherit inputs pkgs;
modules = [
({
pkgs,
config,
...
}: {
languages.rust = {
enable = true;
channel = "nightly";
};
pre-commit.hooks = {
clippy.enable = true;
rustfmt.enable = true;
};
packages = with pkgs; [
xorg.libX11
pkg-config
bacon
libxkbcommon
xorg.libXi
xorg.libXcursor
];
})
];
};
});
};
}

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use std::num::NonZeroU32;
use winit::{
event::{Event, KeyEvent, WindowEvent},
event_loop::{ControlFlow, EventLoop},
keyboard::{Key, NamedKey},
raw_window_handle::{HasDisplayHandle, HasWindowHandle},
window::WindowBuilder,
};
fn main() {
let event_loop = EventLoop::new().unwrap();
let window = WindowBuilder::new().build(&event_loop).unwrap();
// ControlFlow::Poll continuously runs the event loop, even if the OS hasn't
// dispatched any events. This is ideal for games and similar applications.
event_loop.set_control_flow(ControlFlow::Poll);
// ControlFlow::Wait pauses the event loop if no events are available to process.
// This is ideal for non-game applications that only update in response to user
// input, and uses significantly less power/CPU time than ControlFlow::Poll.
event_loop.set_control_flow(ControlFlow::Wait);
let context = softbuffer::Context::new(window.display_handle().unwrap()).unwrap();
let mut surface = softbuffer::Surface::new(&context, window.window_handle().unwrap()).unwrap();
event_loop
.run(|event, elwt| {
elwt.set_control_flow(ControlFlow::Wait);
match event {
Event::WindowEvent {
window_id,
event: WindowEvent::RedrawRequested,
} if window_id == window.id() => {
if let (Some(width), Some(height)) = {
let size = window.inner_size();
(NonZeroU32::new(size.width), NonZeroU32::new(size.height))
} {
surface.resize(width, height).unwrap();
let mut buffer = surface.buffer_mut().unwrap();
// for y in 0..height.get() {
// for x in 0..width.get() {
// let red = x % 255;
// let green = y % 255;
// let blue = (x * y) % 255;
// let index = y as usize * width.get() as usize + x as usize;
// buffer[index] = blue | (green << 8) | (red << 16);
// }
// }
buffer.fill(0);
buffer.present().unwrap();
}
}
Event::WindowEvent {
event:
WindowEvent::CloseRequested
| WindowEvent::KeyboardInput {
event:
KeyEvent {
logical_key: Key::Named(NamedKey::Escape),
..
},
..
},
window_id,
} if window_id == window.id() => {
elwt.exit();
}
_ => {}
}
})
.unwrap();
}