Merge branch 'master' of ssh://git.ablecorp.us:20/able/ableos

.vscode/settings.json

@@ -1,5 +1,8 @@
 {
    "files.associations": {
       "stddef.h": "c"
+   },
+   "settings": {
+      
    }
 }

ableos/rust-toolchain

@@ -1 +1 @@
-nightly
+nightly-2022-01-04

ableos/src/lib.rs

@@ -18,14 +18,17 @@
 #![feature(exclusive_range_pattern)]
 #![feature(slice_pattern)]
 
+/// Contains architecture specific code for aarch64.
 #[cfg(target_arch = "aarch64")]
 #[path = "arch/aarch64/mod.rs"]
 pub mod arch;
 
+/// Contains architecture specific code for x86_64.
 #[cfg(target_arch = "x86_64")]
 #[path = "arch/x86_64/mod.rs"]
 pub mod arch;
 
+/// Contains architecture specific code for riscv64.
 #[cfg(target_arch = "riscv64")]
 #[path = "arch/riscv/mod.rs"]
 pub mod arch;

ableos/src/vga_e.rs

@@ -20,6 +20,10 @@ lazy_static::lazy_static! {
      pub static ref VGAE_BUFF_OFFSET_Y: spin::Mutex<u8> = spin::Mutex::new(0);
 }
 
+const FONT_SCALE: f32 = 1.6;
+const GLYPH_HEIGHT: f32 = 18.0;
+const GLYPH_WIDTH: f32 = 10.0;
+
 /// Draw a glyph on the screen at the given position
 ///
 /// # Arguments
@@ -27,51 +31,56 @@ lazy_static::lazy_static! {
 /// * `y` - the y position of the glyph
 /// * `glyph` - the glyph to draw
 /// * `color` - the color of the glyph
-pub fn draw_char(x: u8, y: u8, character: char, color: Rgba64) {
+pub fn draw_char(mut x: u32, mut y: u32, character: char, color: Rgba64) {
    // let mode = *VGAE.lock();
    let mut mode = SCREEN_BUFFER.lock();
 
-    let font = FontRef::try_from_slice(include_bytes!(
+   let basic_multingual_plane = FontRef::try_from_slice(include_bytes!(
       "../../ableos/assets/fonts/unifont-14.0.01.ttf"
    ))
    .unwrap();
 
-    let font2 = FontRef::try_from_slice(include_bytes!(
+   let supplementary_multilingual_plane = FontRef::try_from_slice(include_bytes!(
       "../../ableos/assets/fonts/unifont_upper-14.0.01.ttf"
    ))
    .unwrap();
 
-    let mut has_char = false;
+   // let mut has_char = false;
-    for x in font.codepoint_ids() {
+   // for x in font.codepoint_ids() {
-        if x.1 == character {
+   //    if x.1 == character {
-            has_char = true;
+   //       has_char = true;
-            break;
+   //       break;
-        }
+   //    }
-    }
+   // }
 
-    let used_font;
+   let is_in_basic_multilingual_plane = character as u32 <= 0xffff;
-    match has_char {
-        true => used_font = font,
-        false => used_font = font2,
-    }
 
-    let font_scale = 1.6;
+   let plane = match is_in_basic_multilingual_plane {
+      true => basic_multingual_plane,
+      false => supplementary_multilingual_plane,
+   };
 
    match character {
       '\n' => {}
       _ => {
-            let mut q_glyph: Glyph = used_font.glyph_id(character).with_scale_and_position(
+         let q_glyph: Glyph = plane.glyph_id(character).with_scale_and_position(
-                20.0 * font_scale,
+            20.0 * FONT_SCALE,
-                ab_glyph::point(10.0 * font_scale, 18.0 * font_scale),
+            ab_glyph::point(GLYPH_WIDTH * FONT_SCALE, GLYPH_HEIGHT * FONT_SCALE),
          );
 
-            if let Some(q) = used_font.outline_glyph(q_glyph) {
+         // elf: I don't know if GLYPH_HEIGHT is in the right units here. I'm just guessing.
-                q.draw(|x, y, c| {
+         if x as usize > mode.size.x {
+            x = 0;
+            y += (GLYPH_HEIGHT * FONT_SCALE) as u32;
+         }
+
+         if let Some(q) = plane.outline_glyph(q_glyph) {
+            q.draw(|gx, gy, c| {
                if c > 0.015 {
                   let corner = q.px_bounds().min;
                   mode.set_pixel(
-                            x as usize + corner.x as usize,
+                     gx as usize + corner.x as usize + x as usize,
-                            y as usize + corner.y as usize,
+                     gy as usize + corner.y as usize + y as usize,
                      color,
                   );
                }
@@ -80,6 +89,8 @@ pub fn draw_char(x: u8, y: u8, character: char, color: Rgba64) {
       }
    }
 }
+
+/// Converts a number to ... i forgor 💀
 pub fn num_to_vga16(num: u8) -> Color16 {
    use Color16::*;
    match num {

repbuild/src/main.rs

@@ -55,8 +55,7 @@ fn main() -> anyhow::Result<()> {
                     ).run()?;
             }
             MachineType::RISCV => {
-                    xshell::cmd!("cargo build --release --target=riscv64gc-unknown-none-elf")
+               xshell::cmd!("cargo build --release --target=riscv64gc-unknown-none-elf").run()?;
-                        .run()?;
                #[rustfmt::skip]
                     xshell::cmd!(
                         "qemu-system-riscv64
@@ -79,8 +78,7 @@ fn main() -> anyhow::Result<()> {
                xshell::cmd!("cargo doc --open").run()?;
             }
             MachineType::ARM => {
-                    xshell::cmd!("cargo doc --open --target=json_targets/aarch64-ableos.json")
+               xshell::cmd!("cargo doc --open --target=json_targets/aarch64-ableos.json").run()?;
-                        .run()?;
             }
             MachineType::RISCV => {
                xshell::cmd!("cargo doc --open --target=riscv64gc-unknown-none-elf").run()?;

shadeable/src/pixel_format.rs

@@ -1,130 +1,137 @@
-#![feature(exclusive_range_pattern)]
-use log::*;
-use rhai::INT;
 use vga::colors::Color16;
 pub type Rgba64 = u64;
 
 pub fn get_r(rgba: Rgba64) -> u8 {
-    let x: u64 = rgba;
+   (rgba & 0xff_00_00_00 >> 0o30) as u8
-
-    let y = x >> 24;
-
-    return (y & 0xff).try_into().unwrap();
 }
 pub fn get_g(rgba: Rgba64) -> u8 {
-    let x: u64 = rgba;
+   (rgba & 0xff_00_00 >> 0o20) as u8
-
-    let y = x >> 16;
-
-    return (y & 0xff).try_into().unwrap();
 }
+
 pub fn get_b(rgba: Rgba64) -> u8 {
-    let x: u64 = rgba;
+   (rgba & 0xff_00 >> 0o10) as u8
-
-    let y = x >> (24 - 16);
-
-    return (y & 0xff).try_into().unwrap();
 }
+
 pub fn get_a(rgba: Rgba64) -> u8 {
-    let x = rgba;
+   (rgba & 0xff) as u8
-
-    let y = x >> (24 - 16 - 8);
-
-    return (y & 0xff).try_into().unwrap();
 }
 
 pub fn set_r(rgba: Rgba64, r: u8) -> Rgba64 {
-    let z = (r as Rgba64) << 24;
+   rgba & 0xffffffff_00_ff_ff_ff | (r as Rgba64) << 0o30
-    let y = rgba & 0xffffff;
-    return z | y;
 }
 
 pub fn set_g(rgba: Rgba64, g: u8) -> Rgba64 {
-    let z = (g as Rgba64) << 16;
+   rgba & 0xffffffff_ff_00_ff_ff | (g as Rgba64) << 0o20
-    let y = rgba & 0xffffff;
-    return z | y;
 }
 
 pub fn set_b(rgba: Rgba64, b: u8) -> Rgba64 {
-    let z = (b as Rgba64) << 26 - 16;
+   rgba & 0xffffffff_ff_ff_00_ff | (b as Rgba64) << 0o10
-    let y = rgba & 0xffffff;
-    return z | y;
 }
 
 pub fn set_a(rgba: Rgba64, a: u8) -> Rgba64 {
-    let z = (a as Rgba64) << 8;
+   rgba & 0xffffffff_ff_ff_ff_00 | (a as Rgba64)
-    let y = rgba & 0xffffff;
-    return z | y;
 }
 
 pub fn rgba_div(a: Rgba64, b: Rgba64) -> Rgba64 {
-    let mut fin: Rgba64 = 0;
+   set_r(0, get_r(a) / get_r(b))
-
+      | set_g(0, get_g(a) / get_g(b))
-    // println!("{}", fin);
+      | set_g(0, get_b(a) / get_b(b))
-    fin |= set_r(fin, get_r(a) / get_r(b));
+      | set_g(0, get_a(a) / get_a(b))
-    // println!("{}", fin);
-
-    fin |= set_g(fin, get_g(a) / get_g(b));
-    /*
-
-    get_b(a) / get_b(b);
-
-    get_a(a) / get_a(b);
-    */
-
-    return fin;
 }
 
 pub fn new_rgba64(r: u8, g: u8, b: u8, a: u8) -> Rgba64 {
-    let mut x = 0;
+   set_r(0, r) | set_g(0, g) | set_b(0, b) | set_a(0, a)
+}
 
-    x |= set_r(x, r);
+enum ChannelValue {
-    x |= set_g(x, g);
+   Dark,
-    x |= set_b(x, b);
+   Low,
-    x |= set_a(x, a);
+   Mid,
+   High,
+}
 
-    x
+impl From<u8> for ChannelValue {
+   fn from(b: u8) -> Self {
+      use ChannelValue::*;
+      match b {
+         0x00..=0x3f => Dark,
+         0x40..=0x7f => Low,
+         0x80..=0xbf => Mid,
+         0xc0..=0xff => High,
+      }
+   }
 }
 
 pub fn into_vga_16(rgba_64: Rgba64) -> Color16 {
-    let mut fourbit: u8 = 0;
+   use ChannelValue::*;
-    fourbit |= match get_r(rgba_64) {
-        85..=170 => 0b0100,
-        171..=255 => 0b1100,
-        _ => 0,
-    };
-    fourbit |= match get_g(rgba_64) {
-        85..=170 => 0b0010,
-        171..=255 => 0b1010,
-        _ => 0,
-    };
-    fourbit |= match get_b(rgba_64) {
-        85..=170 => 0b0001,
-        171..=255 => 0b1001,
-        _ => 0,
-    };
-
-    // trace!("{}", fourbit);
-
    use Color16::*;
-    match fourbit {
+   match (
-        0 => Black,
+      get_r(rgba_64).into(),
-        1 => Blue,
+      get_g(rgba_64).into(),
-        2 => Green,
+      get_b(rgba_64).into(),
-        3 => Cyan,
+   ) {
-        4 => Red,
+      (Dark, Dark, Dark) => Black,
-        5 => Magenta,
+      (Dark, Dark, Low) => Black,
-        6 => Brown,
+      (Dark, Dark, Mid) => Blue,
-        7 => LightGrey,
+      (Dark, Dark, High) => Blue,
-        8 => DarkGrey,
+      (Dark, Low, Dark) => Black,
-        9 => LightBlue,
+      (Dark, Low, Low) => Black,
-        10 => LightGreen,
+      (Dark, Low, Mid) => Blue,
-        11 => LightCyan,
+      (Dark, Low, High) => Blue,
-        12 => LightRed,
+      (Dark, Mid, Dark) => Green,
-        13 => Pink,
+      (Dark, Mid, Low) => Green,
-        14 => Yellow,
+      (Dark, Mid, Mid) => Cyan,
-        15 => White,
+      (Dark, Mid, High) => Cyan,
-        _ => Green,
+      (Dark, High, Dark) => Green,
+      (Dark, High, Low) => Green,
+      (Dark, High, Mid) => Green,
+      (Dark, High, High) => Cyan,
+      (Low, Dark, Dark) => Black,
+      (Low, Dark, Low) => Black,
+      (Low, Dark, Mid) => Blue,
+      (Low, Dark, High) => Blue,
+      (Low, Low, Dark) => Black,
+      (Low, Low, Low) => DarkGrey,
+      (Low, Low, Mid) => LightGrey,
+      (Low, Low, High) => Blue,
+      (Low, Mid, Dark) => DarkGrey,
+      (Low, Mid, Low) => LightGrey,
+      (Low, Mid, Mid) => Cyan,
+      (Low, Mid, High) => Cyan,
+      (Low, High, Dark) => Green,
+      (Low, High, Low) => Green,
+      (Low, High, Mid) => Cyan,
+      (Low, High, High) => Cyan,
+      (Mid, Dark, Dark) => Red,
+      (Mid, Dark, Low) => Red,
+      (Mid, Dark, Mid) => Magenta,
+      (Mid, Dark, High) => Magenta,
+      (Mid, Low, Dark) => Brown,
+      (Mid, Low, Low) => Red,
+      (Mid, Low, Mid) => DarkGrey,
+      (Mid, Low, High) => LightBlue,
+      (Mid, Mid, Dark) => Brown,
+      (Mid, Mid, Low) => Brown,
+      (Mid, Mid, Mid) => LightGrey,
+      (Mid, Mid, High) => LightBlue,
+      (Mid, High, Dark) => Green,
+      (Mid, High, Low) => Green,
+      (Mid, High, Mid) => LightGreen,
+      (Mid, High, High) => LightCyan,
+      (High, Dark, Dark) => Red,
+      (High, Dark, _) => Magenta,
+      (High, Low, Dark) => Red,
+      (High, Low, Low) => LightRed,
+      (High, Low, Mid) => Pink,
+      (High, Low, High) => Magenta,
+      (High, Mid, Dark) => Yellow,
+      (High, Mid, Low) => Yellow,
+      (High, Mid, Mid) => LightRed,
+      (High, Mid, High) => Pink,
+      (High, High, Dark) => Yellow,
+      (High, High, Low) => White,
+      (High, High, Mid) => White,
+      (High, High, High) => White,
    }
 }
 
@@ -135,84 +142,21 @@ pub fn from_vga_16(color: Color16) -> Rgba64 {
       DarkGrey => new_rgba64(105, 105, 105, 0),
       LightGrey => new_rgba64(211, 211, 211, 0),
       //
-        Blue => new_rgba64(0, 0, 255, 0),
+      Blue => new_rgba64(0, 0, 0xff, 0),
-        Green => new_rgba64(0, 255, 0, 0),
+      Green => new_rgba64(0, 0xff, 0, 0),
-        Red => new_rgba64(255, 0, 0, 0),
+      Red => new_rgba64(0xff, 0, 0, 0),
       //
-        Yellow => new_rgba64(255, 255, 0, 0),
+      Yellow => new_rgba64(0xff, 0xff, 0, 0),
-        Cyan => new_rgba64(0, 255, 255, 0),
+      Cyan => new_rgba64(0, 0xff, 0xff, 0),
-        Magenta => new_rgba64(255, 0, 255, 0),
+      Magenta => new_rgba64(0xff, 0, 0xff, 0),
 
       Brown => new_rgba64(165, 42, 42, 0),
-        Pink => new_rgba64(255, 105, 180, 0),
+      Pink => new_rgba64(0xff, 105, 180, 0),
-        White => new_rgba64(255, 255, 255, 0),
+      White => new_rgba64(0xff, 0xff, 0xff, 0),
 
       LightBlue => new_rgba64(173, 216, 230, 0),
       LightGreen => new_rgba64(144, 238, 144, 0),
       LightCyan => new_rgba64(88, 100, 100, 0),
-        LightRed => new_rgba64(255, 204, 203, 0),
+      LightRed => new_rgba64(0xff, 204, 203, 0),
-    }
-}
-
-use libm::sqrt;
-
-fn euclideand(c1: (u8, u8, u8), c2: (u8, u8, u8)) -> u8 {
-    let (r1, g1, b1) = c1;
-    let (r2, g2, b2) = c2;
-    let (rd, gd, bd) = (r2 - r1, g2 - g1, b2 - b1);
-    sqrt((rd * rd + gd * gd + bd * bd) as f64) as u8
-}
-pub fn get_color16(c: Rgba64) -> Color16 {
-    let r = get_r(c);
-    let g = get_g(c);
-    let b = get_b(c);
-
-    let c = (r, g, b);
-    let palette: [(u8, u8, u8); 16] = [
-        (0, 0, 0),
-        (105, 105, 105),
-        (211, 211, 211),
-        (0, 0, 255),
-        (0, 255, 0),
-        (255, 0, 0),
-        (255, 255, 0),
-        (0, 255, 255),
-        (255, 0, 255),
-        (165, 42, 42),
-        (255, 105, 180),
-        (255, 255, 255),
-        (173, 216, 230),
-        (144, 238, 144),
-        (88, 100, 100),
-        (255, 204, 203),
-    ];
-    let mut minc = euclideand(c, palette[0]);
-    let mut retval = 0;
-    for i in 1..16 {
-        let eucd = euclideand(c, palette[i]);
-        if eucd < minc {
-            retval = i;
-            minc = eucd
-        }
-    }
-    use Color16::*;
-    match retval {
-        0 => Black,
-        1 => Blue,
-        2 => Green,
-        3 => Cyan,
-        4 => Red,
-        5 => Magenta,
-        6 => Brown,
-        7 => LightGrey,
-        8 => DarkGrey,
-        9 => LightBlue,
-        10 => LightGreen,
-        11 => LightCyan,
-        12 => LightRed,
-        13 => Pink,
-        14 => Yellow,
-        15 => White,
-        _ => Green,
    }
 }