mostly qoi image support

refactor image loader for multiple filetypes
port some broken math stuff
make logger more readable

kernel/src/logger.rs

@@ -36,7 +36,19 @@ impl log::Log for Logger {
             Level::Debug => "25",
             Level::Trace => "103",
         };
-        let module = record.module_path().unwrap_or_default();
+        let module = record
+            .module_path()
+            .unwrap_or_default()
+            .rsplit_once(':')
+            .unwrap_or_default()
+            .1;
+        if module == "" {
+            crate::arch::log(format_args!(
+                "\x1b[38;5;{lvl_color}m{lvl}\x1b[0m: {}\r\n",
+                record.args(),
+            ))
+            .expect("write to serial console");
+        } else {
             let line = record.line().unwrap_or_default();
             crate::arch::log(format_args!(
                 "\x1b[38;5;{lvl_color}m{lvl}\x1b[0m [{module}:{line}]: {}\r\n",
@@ -44,6 +56,7 @@ impl log::Log for Logger {
             ))
             .expect("write to serial console");
         }
+    }
 
     fn flush(&self) {}
 }

repbuild/src/dev.rs

@@ -74,7 +74,6 @@ impl Package {
                 &path,
                 Options {
                     fmt: true,
-                    // optimize: true,
                     ..Default::default()
                 },
                 &mut bytes,
@@ -83,7 +82,6 @@ impl Package {
             hblang::run_compiler(
                 &path,
                 Options {
-                    // optimize: true,
                     ..Default::default()
                 },
                 &mut bytes,
@@ -100,7 +98,6 @@ impl Package {
                 &path,
                 Options {
                     dump_asm: true,
-                    // optimize: true,
                     ..Default::default()
                 },
                 &mut bytes,

sysdata/libraries/render/src/image.hb

@@ -1,102 +0,0 @@
-.{Color, Surface, new_surface} := @use("./lib.hb");
-.{log, memory} := @use("../../stn/src/lib.hb")
-
-BitmapFileHeader := packed struct {
-	img_type: u16,
-	size: u32,
-	reserved_1: u16,
-	reserved_2: u16,
-	offset: u32,
-}
-
-BitmapInfoHeader := packed struct {
-	size: u32,
-	width: i32,
-	height: i32,
-	planes: u16,
-	bits: u16,
-	compression: u32,
-	image_size: u32,
-	x_resolution: i32,
-	y_resolution: i32,
-	n_colours: u32,
-	important_colours: u32,
-}
-
-BitmapColorHeader := packed struct {
-	red_mask: u32,
-	green_mask: u32,
-	blue_mask: u32,
-	alpha_mask: u32,
-	color_space_type: u32,
-	unused: u32,
-}
-
-surface_from_bmp := fn(bmp: ^u8): ?Surface {
-	file_header := @as(^BitmapFileHeader, @bitcast(bmp))
-	if file_header.img_type != 0x4D42 {
-		log.error("failed to load bmp image: not a bmp image, idiot\0")
-		return null
-	}
-	info_header := @as(^BitmapInfoHeader, @bitcast(bmp + @sizeof(BitmapFileHeader)))
-	bmp += file_header.offset
-
-	px := info_header.width * info_header.height
-	ptr := @as(^Color, @bitcast(bmp))
-	tmp := @as(Color, idk)
-	row := @as(i32, 0)
-
-	loop if row == info_header.height / 2 break else {
-		col := @as(i32, 0)
-		loop if col == info_header.width break else {
-			top_index := row * info_header.width + col
-			bottom_index := (info_header.height - 1 - row) * info_header.width + col
-
-			tmp = *(ptr + top_index);
-			*(ptr + top_index) = *(ptr + bottom_index);
-			*(ptr + bottom_index) = tmp
-
-			col += 1
-		}
-		row += 1
-	}
-
-	return .(@bitcast(bmp), info_header.width, info_header.height)
-}
-
-new_surface_from_bmp := fn(bmp: ^u8): ?Surface {
-	file_header := @as(^BitmapFileHeader, @bitcast(bmp))
-	if file_header.img_type != 0x4D42 {
-		log.error("failed to load bmp image: not a bmp image, idiot\0")
-		return null
-	}
-	info_header := @as(^BitmapInfoHeader, @bitcast(bmp + @sizeof(BitmapFileHeader)))
-	bmp += file_header.offset
-
-	width := @as(uint, @intcast(info_header.width))
-	height := @as(uint, @intcast(info_header.height))
-
-	surface := new_surface(width, height)
-	top_start_idx := surface.buf
-	bottom_start_idx := surface.buf + width * (height - 1)
-	rows_to_copy := height
-	top_cursor := @as(^Color, @bitcast(bmp))
-	bottom_cursor := top_cursor + width * (height - 1)
-
-	loop if rows_to_copy <= 1 break else {
-		@inline(memory.copy, Color, top_cursor, bottom_start_idx, @bitcast(width))
-		@inline(memory.copy, Color, bottom_cursor, top_start_idx, @bitcast(width))
-
-		top_start_idx += surface.width
-		bottom_start_idx -= surface.width
-		top_cursor += width
-		bottom_cursor -= width
-		rows_to_copy -= 2
-	}
-
-	if rows_to_copy == 1 {
-		@inline(memory.copy, Color, top_cursor, top_start_idx, @bitcast(width))
-	}
-
-	return surface
-}

sysdata/libraries/render/src/image/bmp.hb

@@ -0,0 +1,52 @@
+.{Color, Surface, new_surface, put_surface} := @use("../lib.hb");
+.{log, memory} := @use("../../../stn/src/lib.hb")
+
+BitmapFileHeader := packed struct {
+	magic: u16,
+	size: u32,
+	reserved_1: u16,
+	reserved_2: u16,
+	offset: u32,
+}
+
+BitmapInfoHeader := packed struct {
+	size: u32,
+	width: i32,
+	height: i32,
+	planes: u16,
+	bits: u16,
+	compression: u32,
+	image_size: u32,
+	x_resolution: i32,
+	y_resolution: i32,
+	n_colours: u32,
+	important_colours: u32,
+}
+
+BitmapColorHeader := packed struct {
+	red_mask: u32,
+	green_mask: u32,
+	blue_mask: u32,
+	alpha_mask: u32,
+	color_space_type: u32,
+	unused: u32,
+}
+
+from := fn(bmp: ^u8): ?Surface {
+	file_header := @as(^BitmapFileHeader, @bitcast(bmp))
+	info_header := @as(^BitmapInfoHeader, @bitcast(bmp + @sizeof(BitmapFileHeader)))
+	bmp += file_header.offset
+
+	if file_header.magic != 0x4D42 | info_header.width == 0 | info_header.height == 0 {
+		log.error("Invalid BMP image.\0")
+		return null
+	}
+
+	width := @as(uint, info_header.width)
+	height := @as(uint, info_header.height)
+	lhs := Surface.(@bitcast(bmp), width, height)
+	rhs := new_surface(width, height)
+	put_surface(rhs, lhs, .(0, 0), true)
+
+	return rhs
+}

sysdata/libraries/render/src/image/lib.hb

@@ -0,0 +1,34 @@
+.{log} := @use("../../../stn/src/lib.hb");
+.{Surface} := @use("../lib.hb")
+bmp := @use("bmp.hb")
+qoi := @use("qoi.hb")
+
+BMP := 0x4D42
+QOI := 0x66696F71
+// stand-in for null until bugfix
+DOES_NOT_EXIST := 1 << 32
+
+get_format := fn(file: ^u8): uint {
+	if *@as(^u16, @bitcast(file)) == BMP {
+		return BMP
+	} else if *@as(^u32, @bitcast(file)) == QOI {
+		return QOI
+	} else {
+		return DOES_NOT_EXIST
+	}
+}
+
+from := fn(file: ^u8): ?Surface {
+	format := get_format(file)
+
+	if format == DOES_NOT_EXIST {
+		log.error("Could not detect image format.\0")
+		return null
+	} else if format == BMP {
+		return bmp.from(file)
+	} else if format == QOI {
+		return qoi.from(file)
+	}
+
+	return null
+}

sysdata/libraries/render/src/image/qoi.hb

@@ -0,0 +1,101 @@
+.{Color, Surface, new_surface} := @use("../lib.hb");
+.{log, memory} := @use("../../../stn/src/lib.hb")
+
+/* source:
+   https://github.com/phoboslab/qoi/blob/master/qoi.h */
+
+QOI_SRGB := 0
+QOI_LINEAR := 1
+QOI_OP_INDEX := 0x0
+QOI_OP_DIFF := 0x40
+QOI_OP_LUMA := 0x80
+QOI_OP_RUN := 0xC0
+QOI_OP_RGB := 0xFE
+QOI_OP_RGBA := 0xFF
+QOI_MASK_2 := 0xC0
+QOI_COLOR_HASH := fn(c: Color): u8 {
+	return (c.r * 3 + c.g * 5 + c.b * 7 + c.a * 11) % 64
+}
+QOI_MAGIC := 0x716F6966
+QOI_PIXELS_MAX := 400000000
+
+QuiteOkayHeader := packed struct {
+	magic: u32,
+	width: u32,
+	height: u32,
+	channels: u8,
+	colorspace: u8,
+}
+
+be_to_le := fn(big: u32): u32 {
+	return (big & 0xFF000000) >> 24 | (big & 0xFF0000) >> 8 | (big & 0xFF00) << 8 | (big & 0xFF) << 24
+}
+
+from := fn(qoi: ^u8): ?Surface {
+	header := @as(^QuiteOkayHeader, @bitcast(qoi))
+
+	qoi += @sizeof(QuiteOkayHeader)
+
+	width := be_to_le(header.width)
+	height := be_to_le(header.height)
+
+	if be_to_le(header.magic) != QOI_MAGIC | width == 0 | height == 0 | header.channels < 3 | header.channels > 4 {
+		log.error("Invalid QOI image.\0")
+		return null
+	}
+
+	surface := new_surface(width, height)
+	index := @as([Color; 64], idk)
+
+	run := 0
+	px := Color.(0, 0, 0, 255)
+	px_pos := 0
+
+	total_pixels := width * height
+
+	loop if px_pos >= total_pixels break else {
+		if run > 0 {
+			run -= 1
+		} else {
+			b1 := *qoi
+			qoi += 1
+
+			if b1 == QOI_OP_RGB {
+				px.r = *qoi
+				px.g = *(qoi + 1)
+				px.b = *(qoi + 2)
+				qoi += 3
+			} else if b1 == QOI_OP_RGBA {
+				px.r = *qoi
+				px.g = *(qoi + 1)
+				px.b = *(qoi + 2)
+				px.a = *(qoi + 3)
+				qoi += 4
+			} else if (b1 & QOI_MASK_2) == QOI_OP_INDEX {
+				px = index[b1 & 0x3F]
+			} else if (b1 & QOI_MASK_2) == QOI_OP_DIFF {
+				px.r = px.r + (b1 >> 4 & 0x3) - 2 & 0xFF
+				px.g = px.g + (b1 >> 2 & 0x3) - 2 & 0xFF
+				px.b = px.b + (b1 & 0x3) - 2 & 0xFF
+			} else if (b1 & QOI_MASK_2) == QOI_OP_LUMA {
+				b2 := *qoi
+				vg := (b1 & 0x3F) - 32
+
+				px.r = px.r + vg - 8 + (b2 >> 4 & 0xF) & 0xFF
+				px.g = px.g + vg & 0xFF
+				px.b = px.b + vg - 8 + (b2 & 0xF) & 0xFF
+				qoi += 1
+			} else if (b1 & QOI_MASK_2) == QOI_OP_RUN {
+				run = b1 & 0x3F
+			}
+
+			index[@inline(QOI_COLOR_HASH, px)] = px
+		};
+
+		*(surface.buf + px_pos) = px
+
+		px_pos += 1
+	}
+
+	return surface
+}

sysdata/libraries/render/src/lib.hb

@@ -1,5 +1,5 @@
 software := @use("software.hb")
-image := @use("image.hb")
+image := @use("image/lib.hb")
 text := @use("text.hb")
 
 // default mode

sysdata/libraries/stn/src/string.hb

@@ -68,3 +68,17 @@ reverse := fn(s: ^u8): void {
 	}
 	return
 }
+
+equals := fn(lhs: ^u8, rhs: ^u8): bool {
+	if lhs == rhs {
+		return true
+	}
+	i := 0
+	loop if *(lhs + i) != *(rhs + i) {
+		return false
+	} else if *lhs == 0 {
+		return true
+	} else {
+		i += 1
+	}
+}

sysdata/programs/render_example/src/examples/image.hb

@@ -1,38 +1,29 @@
-.{Vec2} := @use("../../../../libraries/stn/src/lib.hb").math
+.{log} := @use("../../../../libraries/stn/src/lib.hb")
 render := @use("../../../../libraries/render/src/lib.hb")
 
 /* expected result:
-   a cute image bounces around the screen */
+   a cute qoi image and a cute bmp image */
 
-bmp_1 := @embed("./assets/able.bmp")
-bmp_2 := @embed("./assets/mini.bmp")
+qoi := @embed("./assets/mini.qoi")
+bmp := @embed("./assets/mini.bmp")
 
 example := fn(): void {
-	// strictly we should be null checking here but i am lazy
-	images := [render.Surface].(
-		@unwrap(render.image.surface_from_bmp(@bitcast(&bmp_1))),
-		@unwrap(render.image.surface_from_bmp(@bitcast(&bmp_2))),
-	)
 	screen := render.init(true)
-	vel := Vec2(int).(1, 1)
-	pos := Vec2(uint).(100, 100)
-	n := 0
-	loop {
-		image := images[n]
-		render.put_surface(screen, image, pos, false)
-		render.sync(screen)
+	image_qoi := render.image.from(@bitcast(&qoi))
+	image_bmp := render.image.from(@bitcast(&bmp))
+
+	if image_qoi == null {
+		log.error("failed to load qoi image for whatever reason\0")
+		return
+	}
+	if image_bmp == null {
+		log.error("failed to load bmp image for whatever reason\0")
+		return
+	}
+
 	render.clear(screen, render.black)
-
-		if pos.x == 0 | pos.x == screen.width - image.width {
-			vel.x = -vel.x
-			n = 1 - n
-		}
-		if pos.y == 0 | pos.y == screen.height - image.height {
-			vel.y = -vel.y
-			n = 1 - n
-		}
-
-		pos += @bitcast(vel)
-	}
+	render.put_surface(screen, image_bmp, .((screen.width - image_bmp.width * 3) / 2, (screen.height - image_bmp.height) / 2), false)
+	render.put_surface(screen, image_qoi, .((screen.width + image_qoi.width) / 2, (screen.height - image_qoi.height) / 2), false)
+	render.sync(screen)
 	return
 }

sysdata/programs/render_example/src/main.hb

@@ -1 +1 @@
-.{example: main} := @use("./examples/text.hb")
+.{example: main} := @use("./examples/image.hb")