feat: use frame buffer for rendering
This commit is contained in:
parent
432191b718
commit
a265b857d0
5 changed files with 85 additions and 154 deletions
1
.envrc
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1
.envrc
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@ -0,0 +1 @@
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use flake
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1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,3 +1,4 @@
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/target
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.direnv
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*.fd
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esp
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68
Cargo.lock
generated
68
Cargo.lock
generated
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@ -14,37 +14,12 @@ version = "2.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
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[[package]]
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name = "byteorder"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "hash32"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
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dependencies = [
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"byteorder",
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]
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[[package]]
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name = "heapless"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
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dependencies = [
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"hash32",
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"stable_deref_trait",
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]
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[[package]]
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name = "log"
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version = "0.4.22"
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@ -62,22 +37,22 @@ dependencies = [
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[[package]]
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name = "ptr_meta"
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version = "0.2.0"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bcada80daa06c42ed5f48c9a043865edea5dc44cbf9ac009fda3b89526e28607"
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checksum = "fe9e76f66d3f9606f44e45598d155cb13ecf09f4a28199e48daf8c8fc937ea90"
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dependencies = [
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"ptr_meta_derive",
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]
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[[package]]
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name = "ptr_meta_derive"
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version = "0.2.0"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bca9224df2e20e7c5548aeb5f110a0f3b77ef05f8585139b7148b59056168ed2"
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checksum = "ca414edb151b4c8d125c12566ab0d74dc9cdba36fb80eb7b848c15f495fd32d1"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn 1.0.109",
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"syn",
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]
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[[package]]
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@ -89,23 +64,6 @@ dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "stable_deref_trait"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
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[[package]]
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name = "syn"
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version = "1.0.109"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "syn"
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version = "2.0.92"
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@ -128,9 +86,9 @@ dependencies = [
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[[package]]
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name = "uefi"
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version = "0.33.0"
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version = "0.34.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6679b7fc2f6d6d2ea2f67555ef3ed9d71d30c5021faf9193091a5192db7dc468"
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checksum = "c25038e420a68d30a0e8002a3b51c075ad2342f5ae7a2383f042bd41fef73272"
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dependencies = [
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"bitflags",
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"cfg-if",
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@ -146,30 +104,28 @@ dependencies = [
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name = "uefi-gol"
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version = "0.1.0"
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dependencies = [
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"heapless",
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"log",
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"uefi",
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]
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[[package]]
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name = "uefi-macros"
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version = "0.17.0"
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version = "0.18.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9b24e77d3fc1e617051e630f99da24bcae6328abab37b8f9216bb68d06804f9a"
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checksum = "72cb3027736dad1b6f23437c63249025d960377fe7f9f769a111dfbc0dd2bdda"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn 2.0.92",
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"syn",
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]
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[[package]]
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name = "uefi-raw"
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version = "0.9.0"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7f6d465de2c918779dafb769a5a4fe8d6e4fb7cc4cc6cb1a735f2f6ec68beea4"
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checksum = "d246ed5d6fd71c0331f0ac774a6aefb6cb9170a46f83148cacc70b09f82c87bb"
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dependencies = [
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"bitflags",
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"ptr_meta",
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"uguid",
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]
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@ -6,6 +6,5 @@ authors = [ "Tim Schubert <dadada@dadada.li>"]
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license = "MIT OR Apache-2.0"
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[dependencies]
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heapless = "0.8.0"
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log = "0.4.22"
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uefi = { version = "0.33.0", features = ["logger", "panic_handler"] }
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uefi = { version = "0.34.0", features = ["logger", "global_allocator", "panic_handler"] }
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162
src/main.rs
162
src/main.rs
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@ -1,55 +1,45 @@
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#![no_main]
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#![no_std]
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use core::{
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fmt::Write,
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iter::repeat,
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ops::{Deref, DerefMut},
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extern crate alloc;
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use alloc::vec::Vec;
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use core::iter::repeat;
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use uefi::{
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prelude::*,
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proto::console::gop::{BltOp::BufferToVideo, BltPixel, BltRegion, GraphicsOutput},
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Result,
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};
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use heapless::{String, Vec};
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use system::with_stdout;
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use uefi::prelude::*;
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const WIDTH: usize = 30;
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const HEIGHT: usize = 30;
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type Matrix = Vec<Vec<bool, WIDTH>, HEIGHT>;
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const ALIVE: BltPixel = BltPixel::new(0xff, 0xff, 0xff);
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const DEAD: BltPixel = BltPixel::new(0, 0, 0);
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#[derive(Debug, Clone)]
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struct Life {
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matrix: Matrix,
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}
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impl Deref for Life {
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type Target = Matrix;
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fn deref(&self) -> &Self::Target {
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&self.matrix
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}
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}
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impl Default for Life {
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fn default() -> Self {
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let mut matrix: Vec<Vec<bool, WIDTH>, HEIGHT> = Vec::default();
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for _ in 0..HEIGHT {
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matrix.push(repeat(false).take(WIDTH).collect()).unwrap();
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}
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Life { matrix }
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}
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}
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impl DerefMut for Life {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.matrix
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}
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height: usize,
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matrix: Vec<BltPixel>,
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width: usize,
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}
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impl Life {
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fn with_starter(starter: &[(usize, usize)]) -> Self {
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let mut life = Self::default();
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fn new(width: usize, height: usize) -> Self {
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let mut matrix = Vec::default();
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for _ in 0..height {
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matrix.extend(repeat(DEAD).take(width));
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}
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Life {
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matrix,
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width,
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height,
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}
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}
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fn with_starter(width: usize, height: usize, starter: &[(usize, usize)]) -> Self {
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let mut life = Self::new(width, height);
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for (i, j) in starter.iter() {
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life[*i][*j] = true;
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life.matrix[i * width + j] = ALIVE;
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}
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life
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}
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@ -65,85 +55,69 @@ impl Life {
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(1, 0),
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(1, 1),
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];
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let mut future = Life::default();
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self.iter().enumerate().for_each(|(row, line)| {
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line.iter().enumerate().for_each(|(column, alive)| {
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let mut future = Self::new(self.width, self.height);
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for h in 0..self.height {
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for w in 0..self.width {
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let alive = self.matrix[h * self.width + w];
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let neighbors = OFFSETS
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.iter()
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.filter(|offset| {
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let height = (row as i64) + offset.0;
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let width = (column as i64) + offset.1;
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height >= 0
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&& width >= 0
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&& (height as usize) < HEIGHT
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&& (width as usize) < WIDTH
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&& self[height as usize][width as usize]
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let height = (h as i64) + offset.0;
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let width = (w as i64) + offset.1;
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self.is_neighbor_alive(height, width)
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})
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.count();
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future[row][column] = neighbors == 3 || *alive && neighbors == 2;
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})
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});
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future.matrix[h * self.width + w] = if can_replicate(alive, neighbors) {
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ALIVE
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} else {
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DEAD
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};
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}
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}
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future
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}
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/// Buffers output into one string per frame since println does not buffer output in uefi-rs.
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fn render(&self) -> Frame {
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let mut frame = Frame::default();
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for l in self.iter() {
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for cell in l.iter() {
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if *cell {
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frame.push('X').unwrap()
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} else {
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frame.push(' ').unwrap()
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}
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}
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frame.push('\n').unwrap()
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}
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frame
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fn is_neighbor_alive(&self, height: i64, width: i64) -> bool {
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height >= 0
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&& width >= 0
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&& (height as usize) < self.height
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&& (width as usize) < self.width
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&& {
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let neighbor = self.matrix[height as usize * self.width + width as usize];
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neighbor.blue != 0 || neighbor.green != 0 || neighbor.red != 0
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}
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}
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type FrameBuffer = String<{ (WIDTH * HEIGHT) + HEIGHT }>;
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#[derive(Default)]
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struct Frame {
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buffer: FrameBuffer,
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}
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impl Deref for Frame {
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type Target = FrameBuffer;
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fn deref(&self) -> &Self::Target {
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&self.buffer
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/// Blits entire display
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fn render(&self, gop: &mut GraphicsOutput) -> Result {
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gop.blt(BufferToVideo {
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buffer: &self.matrix,
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src: BltRegion::Full,
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dest: (0, 0),
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dims: (self.width, self.height),
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})
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}
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}
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impl DerefMut for Frame {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.buffer
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}
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fn can_replicate(alive: BltPixel, neighbors: usize) -> bool {
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neighbors == 3 || (alive.blue != 0 || alive.green != 0 || alive.red != 0) && neighbors == 2
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}
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const BREEDER: &[(usize, usize)] = &[(15, 16), (16, 15), (16, 16), (17, 16), (17, 17)];
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const RENDER_DELAY: usize = 100_000;
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const BREEDER: &[(usize, usize)] = &[(415, 416), (416, 415), (416, 416), (417, 416), (417, 417)];
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#[entry]
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fn main() -> Status {
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uefi::helpers::init().unwrap();
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let mut life = Life::with_starter(BREEDER);
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let mut life = Life::with_starter(800, 600, BREEDER);
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let gop_handle = boot::get_handle_for_protocol::<GraphicsOutput>().unwrap();
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let mut gop = boot::open_protocol_exclusive::<GraphicsOutput>(gop_handle).unwrap();
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for _ in repeat(()) {
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life = life.play();
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let frame = life.render();
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with_stdout(|stdout| {
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stdout.reset(true).unwrap();
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stdout.write_str(&frame).unwrap()
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});
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// Stall the loop a bit so it is easier to watch
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boot::stall(RENDER_DELAY);
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life.render(&mut gop).unwrap();
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}
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Status::SUCCESS
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unreachable!()
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}
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