Retype out the entire bindings for Orcaorca-dev

14 files changed, 1254 insertions, 2088 deletions

diff --git a/core/sys/orca/algebra.odin b/core/sys/orca/algebra.odin
deleted file mode 100644
index 29aa65e9e..000000000
--- a/core/sys/orca/algebra.odin
+++ /dev/null
@@ -1,58 +0,0 @@
-package orca
-
-import "core:math"
-
-// TODO use orcas or native?
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	mat2x3_mul_m :: proc(lhs, rhs: mat2x3) -> mat2x3 ---
-	mat2x3_inv :: proc(x: mat2x3) -> mat2x3 ---
-	mat2x3_mul :: proc(m: mat2x3, p: vec2) -> vec2 ---
-	mat2x3_rotate :: proc(radians: f32) -> mat2x3 ---
-	mat2x3_translate :: proc(x, y: f32) -> mat2x3 ---
-}
-
-// mat2x3_mul_m :: proc "contextless" (lhs, rhs: mat2x3) -> (res: mat2x3) {
-// 	res[0] = lhs[0] * rhs[0] + lhs[1] * rhs[3]
-// 	res[1] = lhs[0] * rhs[1] + lhs[1] * rhs[4]
-// 	res[2] = lhs[0] * rhs[2] + lhs[1] * rhs[5] + lhs[2]
-// 	res[3] = lhs[3] * rhs[0] + lhs[4] * rhs[3]
-// 	res[4] = lhs[3] * rhs[1] + lhs[4] * rhs[4]
-// 	res[5] = lhs[3] * rhs[2] + lhs[4] * rhs[5] + lhs[5]
-// 	return
-// }
-
-// mat2x3_inv :: proc "contextless" (x: mat2x3) -> (res: mat2x3) {
-// 	res[0] = x[4] / (x[0] * x[4] - x[1] * x[3])
-// 	res[1] = x[1] / (x[1] * x[3] - x[0] * x[4])
-// 	res[3] = x[3] / (x[1] * x[3] - x[0] * x[4])
-// 	res[4] = x[0] / (x[0] * x[4] - x[1] * x[3])
-// 	res[2] = -(x[2] * res[0] + x[5] * res[1])
-// 	res[5] = -(x[2] * res[3] + x[5] * res[4])
-// 	return
-// }
-
-// mat2x3_mul :: proc "contextless" (m: mat2x3, p: vec2) -> vec2 {
-// 	return {
-// 		p.x * m[0] + p.y * m[1] + m[2],
-// 		p.x * m[3] + p.y * m[4] + m[5],
-// 	}
-// }
-
-// mat2x3_rotate :: proc "contextless" (radians: f32) -> mat2x3 {
-// 	sinRot := math.sin(radians)
-// 	cosRot := math.cos(radians)
-// 	rot := mat2x3 {
-// 		cosRot, -sinRot, 0,
-// 		sinRot, cosRot, 0,
-// 	}
-// 	return rot
-// }
-
-// mat2x3_translate :: proc "contextless" (x, y: f32) -> mat2x3 {
-// 	return {
-// 		1, 0, x,
-// 		0, 1, y,
-// 	}
-// }
diff --git a/core/sys/orca/app.odin b/core/sys/orca/app.odin
deleted file mode 100644
index 0cf42b80b..000000000
--- a/core/sys/orca/app.odin
+++ /dev/null
@@ -1,366 +0,0 @@
-package orca
-
-import "core:c"
-
-window :: distinct u64
-
-mouse_cursor :: enum c.int {
-	ARROW,
-	RESIZE_0,
-	RESIZE_90,
-	RESIZE_45,
-	RESIZE_135,
-	TEXT,
-}
-
-window_style :: enum u32 {
-	NO_TITLE = 0x01 << 0,
-	FIXED_SIZE = 0x01 << 1,
-	NO_CLOSE = 0x01 << 2,
-	NO_MINIFY = 0x01 << 3,
-	NO_FOCUS = 0x01 << 4,
-	FLOAT = 0x01 << 5,
-	POPUPMENU = 0x01 << 6,
-	NO_BUTTONS = 0x01 << 7
-}
-
-event_type :: enum c.int {
-	NONE,
-	KEYBOARD_MODS, //TODO: remove, keep only key?
-	KEYBOARD_KEY,
-	KEYBOARD_CHAR,
-	MOUSE_BUTTON,
-	MOUSE_MOVE,
-	MOUSE_WHEEL,
-	MOUSE_ENTER,
-	MOUSE_LEAVE,
-	CLIPBOARD_PASTE,
-	WINDOW_RESIZE,
-	WINDOW_MOVE,
-	WINDOW_FOCUS,
-	WINDOW_UNFOCUS,
-	WINDOW_HIDE, // rename to minimize?
-	WINDOW_SHOW, // rename to restore?
-	WINDOW_CLOSE,
-	PATHDROP,
-	FRAME,
-	QUIT
-}
-
-key_action :: enum c.int {
-	NO_ACTION,
-	PRESS,
-	RELEASE,
-	REPEAT
-}
-
-key_code :: enum c.int {
-	KEY_UNKNOWN = '\x00',
-	KEY_SPACE = ' ',
-	KEY_APOSTROPHE = '\'',
-	KEY_COMMA = ',',
-	KEY_MINUS = '-',
-	KEY_PERIOD = '.',
-	KEY_SLASH = '/',
-	KEY_0 = '0',
-	KEY_1 = '1',
-	KEY_2 = '2',
-	KEY_3 = '3',
-	KEY_4 = '4',
-	KEY_5 = '5',
-	KEY_6 = '6',
-	KEY_7 = '7',
-	KEY_8 = '8',
-	KEY_9 = '9',
-	KEY_SEMICOLON = ';',
-	KEY_EQUAL = '=',
-	KEY_LEFT_BRACKET = '[',
-	KEY_BACKSLASH = '\\',
-	KEY_RIGHT_BRACKET = ']',
-	KEY_GRAVE_ACCENT = '`',
-	KEY_A = 'a',
-	KEY_B = 'b',
-	KEY_C = 'c',
-	KEY_D = 'd',
-	KEY_E = 'e',
-	KEY_F = 'f',
-	KEY_G = 'g',
-	KEY_H = 'h',
-	KEY_I = 'i',
-	KEY_J = 'j',
-	KEY_K = 'k',
-	KEY_L = 'l',
-	KEY_M = 'm',
-	KEY_N = 'n',
-	KEY_O = 'o',
-	KEY_P = 'p',
-	KEY_Q = 'q',
-	KEY_R = 'r',
-	KEY_S = 's',
-	KEY_T = 't',
-	KEY_U = 'u',
-	KEY_V = 'v',
-	KEY_W = 'w',
-	KEY_X = 'x',
-	KEY_Y = 'y',
-	KEY_Z = 'z',
-	KEY_WORLD_1 = 161,
-	KEY_WORLD_2 = 162,
-	KEY_ESCAPE = 256,
-	KEY_ENTER = 257,
-	KEY_TAB = 258,
-	KEY_BACKSPACE = 259,
-	KEY_INSERT = 260,
-	KEY_DELETE = 261,
-	KEY_RIGHT = 262,
-	KEY_LEFT = 263,
-	KEY_DOWN = 264,
-	KEY_UP = 265,
-	KEY_PAGE_UP = 266,
-	KEY_PAGE_DOWN = 267,
-	KEY_HOME = 268,
-	KEY_END = 269,
-	KEY_CAPS_LOCK = 280,
-	KEY_SCROLL_LOCK = 281,
-	KEY_NUM_LOCK = 282,
-	KEY_PRINT_SCREEN = 283,
-	KEY_PAUSE = 284,
-	KEY_F1 = 290,
-	KEY_F2 = 291,
-	KEY_F3 = 292,
-	KEY_F4 = 293,
-	KEY_F5 = 294,
-	KEY_F6 = 295,
-	KEY_F7 = 296,
-	KEY_F8 = 297,
-	KEY_F9 = 298,
-	KEY_F10 = 299,
-	KEY_F11 = 300,
-	KEY_F12 = 301,
-	KEY_F13 = 302,
-	KEY_F14 = 303,
-	KEY_F15 = 304,
-	KEY_F16 = 305,
-	KEY_F17 = 306,
-	KEY_F18 = 307,
-	KEY_F19 = 308,
-	KEY_F20 = 309,
-	KEY_F21 = 310,
-	KEY_F22 = 311,
-	KEY_F23 = 312,
-	KEY_F24 = 313,
-	KEY_F25 = 314,
-	KEY_KP_0 = 320,
-	KEY_KP_1 = 321,
-	KEY_KP_2 = 322,
-	KEY_KP_3 = 323,
-	KEY_KP_4 = 324,
-	KEY_KP_5 = 325,
-	KEY_KP_6 = 326,
-	KEY_KP_7 = 327,
-	KEY_KP_8 = 328,
-	KEY_KP_9 = 329,
-	KEY_KP_DECIMAL = 330,
-	KEY_KP_DIVIDE = 331,
-	KEY_KP_MULTIPLY = 332,
-	KEY_KP_SUBTRACT = 333,
-	KEY_KP_ADD = 334,
-	KEY_KP_ENTER = 335,
-	KEY_KP_EQUAL = 336,
-	KEY_LEFT_SHIFT = 340,
-	KEY_LEFT_CONTROL = 341,
-	KEY_LEFT_ALT = 342,
-	KEY_LEFT_SUPER = 343,
-	KEY_RIGHT_SHIFT = 344,
-	KEY_RIGHT_CONTROL = 345,
-	KEY_RIGHT_ALT = 346,
-	KEY_RIGHT_SUPER = 347,
-	KEY_MENU = 348,
-}
-
-scan_code :: enum c.int {
-	SCANCODE_UNKNOWN = 0,
-	SCANCODE_SPACE = 32,
-	SCANCODE_APOSTROPHE = 39,
-	SCANCODE_COMMA = 44,
-	SCANCODE_MINUS = 45,
-	SCANCODE_PERIOD = 46,
-	SCANCODE_SLASH = 47,
-	SCANCODE_0 = 48,
-	SCANCODE_1 = 49,
-	SCANCODE_2 = 50,
-	SCANCODE_3 = 51,
-	SCANCODE_4 = 52,
-	SCANCODE_5 = 53,
-	SCANCODE_6 = 54,
-	SCANCODE_7 = 55,
-	SCANCODE_8 = 56,
-	SCANCODE_9 = 57,
-	SCANCODE_SEMICOLON = 59,
-	SCANCODE_EQUAL = 61,
-	SCANCODE_LEFT_BRACKET = 91,
-	SCANCODE_BACKSLASH = 92,
-	SCANCODE_RIGHT_BRACKET = 93,
-	SCANCODE_GRAVE_ACCENT = 96,
-	SCANCODE_A = 97,
-	SCANCODE_B = 98,
-	SCANCODE_C = 99,
-	SCANCODE_D = 100,
-	SCANCODE_E = 101,
-	SCANCODE_F = 102,
-	SCANCODE_G = 103,
-	SCANCODE_H = 104,
-	SCANCODE_I = 105,
-	SCANCODE_J = 106,
-	SCANCODE_K = 107,
-	SCANCODE_L = 108,
-	SCANCODE_M = 109,
-	SCANCODE_N = 110,
-	SCANCODE_O = 111,
-	SCANCODE_P = 112,
-	SCANCODE_Q = 113,
-	SCANCODE_R = 114,
-	SCANCODE_S = 115,
-	SCANCODE_T = 116,
-	SCANCODE_U = 117,
-	SCANCODE_V = 118,
-	SCANCODE_W = 119,
-	SCANCODE_X = 120,
-	SCANCODE_Y = 121,
-	SCANCODE_Z = 122,
-	SCANCODE_WORLD_1 = 161,
-	SCANCODE_WORLD_2 = 162,
-	SCANCODE_ESCAPE = 256,
-	SCANCODE_ENTER = 257,
-	SCANCODE_TAB = 258,
-	SCANCODE_BACKSPACE = 259,
-	SCANCODE_INSERT = 260,
-	SCANCODE_DELETE = 261,
-	SCANCODE_RIGHT = 262,
-	SCANCODE_LEFT = 263,
-	SCANCODE_DOWN = 264,
-	SCANCODE_UP = 265,
-	SCANCODE_PAGE_UP = 266,
-	SCANCODE_PAGE_DOWN = 267,
-	SCANCODE_HOME = 268,
-	SCANCODE_END = 269,
-	SCANCODE_CAPS_LOCK = 280,
-	SCANCODE_SCROLL_LOCK = 281,
-	SCANCODE_NUM_LOCK = 282,
-	SCANCODE_PRINT_SCREEN = 283,
-	SCANCODE_PAUSE = 284,
-	SCANCODE_F1 = 290,
-	SCANCODE_F2 = 291,
-	SCANCODE_F3 = 292,
-	SCANCODE_F4 = 293,
-	SCANCODE_F5 = 294,
-	SCANCODE_F6 = 295,
-	SCANCODE_F7 = 296,
-	SCANCODE_F8 = 297,
-	SCANCODE_F9 = 298,
-	SCANCODE_F10 = 299,
-	SCANCODE_F11 = 300,
-	SCANCODE_F12 = 301,
-	SCANCODE_F13 = 302,
-	SCANCODE_F14 = 303,
-	SCANCODE_F15 = 304,
-	SCANCODE_F16 = 305,
-	SCANCODE_F17 = 306,
-	SCANCODE_F18 = 307,
-	SCANCODE_F19 = 308,
-	SCANCODE_F20 = 309,
-	SCANCODE_F21 = 310,
-	SCANCODE_F22 = 311,
-	SCANCODE_F23 = 312,
-	SCANCODE_F24 = 313,
-	SCANCODE_F25 = 314,
-	SCANCODE_KP_0 = 320,
-	SCANCODE_KP_1 = 321,
-	SCANCODE_KP_2 = 322,
-	SCANCODE_KP_3 = 323,
-	SCANCODE_KP_4 = 324,
-	SCANCODE_KP_5 = 325,
-	SCANCODE_KP_6 = 326,
-	SCANCODE_KP_7 = 327,
-	SCANCODE_KP_8 = 328,
-	SCANCODE_KP_9 = 329,
-	SCANCODE_KP_DECIMAL = 330,
-	SCANCODE_KP_DIVIDE = 331,
-	SCANCODE_KP_MULTIPLY = 332,
-	SCANCODE_KP_SUBTRACT = 333,
-	SCANCODE_KP_ADD = 334,
-	SCANCODE_KP_ENTER = 335,
-	SCANCODE_KP_EQUAL = 336,
-	SCANCODE_LEFT_SHIFT = 340,
-	SCANCODE_LEFT_CONTROL = 341,
-	SCANCODE_LEFT_ALT = 342,
-	SCANCODE_LEFT_SUPER = 343,
-	SCANCODE_RIGHT_SHIFT = 344,
-	SCANCODE_RIGHT_CONTROL = 345,
-	SCANCODE_RIGHT_ALT = 346,
-	SCANCODE_RIGHT_SUPER = 347,
-	SCANCODE_MENU = 348,
-}
-
-keymod_flags :: enum c.int {
-	NONE = 0x00,
-	ALT = 0x01,
-	SHIFT = 0x02,
-	CTRL = 0x04,
-	CMD = 0x08,
-	MAIN_MODIFIER = 0x10 /* CMD on Mac, CTRL on Win32 */
-}
-
-mouse_button :: enum c.int {
-	LEFT = 0x00,
-	RIGHT = 0x01,
-	MIDDLE = 0x02,
-	EXT1 = 0x03,
-	EXT2 = 0x04,
-}
-
-// keyboard and mouse buttons input
-key_event :: struct {
-	action: key_action,
-	scanCode: scan_code,
-	keyCode: key_code,
-	button: mouse_button,
-	mods: keymod_flags,
-	clickCount: u8,
-}
-
-// character input
-char_event :: struct {
-	codepoint: utf32,
-	sequence: [8]c.char,
-	seqLen: u8,
-}
-
-// mouse move/scroll
-mouse_event :: struct {
-	x: f32,
-	y: f32,
-	deltaX: f32,
-	deltaY: f32,
-	mods: keymod_flags,
-}
-
-// window resize / move
-move_event :: struct {
-	frame: rect,
-	content: rect,
-}
-
-event :: struct {
-	//TODO clipboard and path drop
-	window: window,
-	type: event_type,
-
-	_: struct #raw_union {
-		key: key_event,
-		character: char_event,
-		mouse: mouse_event,
-		move: move_event,
-		paths: str8_list,
-	}
-}
diff --git a/core/sys/orca/graphics.odin b/core/sys/orca/graphics.odin
deleted file mode 100644
index 8ef478b2f..000000000
--- a/core/sys/orca/graphics.odin
+++ /dev/null
@@ -1,247 +0,0 @@
-package orca
-
-import "core:c"
-
-// types
-color :: distinct [4]f32
-utf32 :: rune
-
-// handles
-surface :: distinct u32
-font    :: distinct u64
-image   :: distinct u64
-canvas  :: distinct u64
-
-joint_type :: enum c.int {
-	MITER,
-	BEVEL,
-	NONE,
-}
-
-cap_type :: enum c.int {
-	NONE,
-	SQUARE,
-}
-
-font_metrics :: struct {
-	ascent: f32,    // the extent above the baseline (by convention a positive value extends above the baseline)
-	descent: f32,   // the extent below the baseline (by convention, positive value extends below the baseline)
-	lineGap: f32,   // spacing between one row's descent and the next row's ascent
-	xHeight: f32,   // height of the lower case letter 'x'
-	capHeight: f32, // height of the upper case letter 'M'
-	width: f32,     // maximum width of the font
-}
-
-glyph_metrics :: struct {
-	ink: rect,
-	advance: vec2,
-}
-
-text_metrics :: struct {
-	ink: rect,
-	logical: rect,
-	advance: vec2,
-}
-
-rect_atlas :: struct {
-	arena: ^arena,
-	size: vec2i,
-	pos: vec2i,
-	lineHeight: u32,
-}
-
-image_region :: struct {
-	image: image,
-	rect: rect,
-}
-
-//------------------------------------------------------------------------------------------
-// graphics surface
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_", link_suffix="_argptr_stub")
-foreign {
-	surface_nil :: proc() -> surface ---
-	surface_is_nil :: proc() -> c.bool ---
-	surface_canvas :: proc(s: ^surface) ---
-	surface_destroy :: proc(surface: surface) ---
-
-	surface_get_size :: proc(surface: surface) -> vec2 ---
-	surface_contents_scaling :: proc(surface: surface) -> vec2 ---
-	surface_bring_to_front :: proc(surface: surface) ---
-	surface_send_to_back :: proc(surface: surface) ---
-
-	surface_gles :: proc(surface: ^surface) ---
-	surface_select :: proc(surface: surface) ---
-
-	surface_deselect :: proc() ---
-	surface_present :: proc(surface: surface) ---
-}
-
-//------------------------------------------------------------------------------------------
-// 2D canvas command buffer
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	canvas_nil :: proc() -> canvas ---
-	canvas_is_nil :: proc(canvas: canvas) -> c.bool ---
-	canvas_create :: proc() -> canvas ---
-	canvas_destroy :: proc(canvas: canvas) ---
-	canvas_set_current :: proc(_canvas: canvas) -> canvas ---
-	canvas_select :: proc(_canvas: canvas) -> canvas ---
-	render :: proc(canvas: canvas) ---
-}
-
-//------------------------------------------------------------------------------------------
-// transform and clipping
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	matrix_push :: proc(mat: mat2x3) ---
-	matrix_multiply_push :: proc(mat: mat2x3) ---
-	matrix_pop :: proc() ---
-	matrix_top :: proc() -> mat2x3 ---
-
-	clip_push :: proc(x, y, w, h: f32) ---
-	clip_pop :: proc() ---
-	clip_top :: proc() -> rect ---
-}
-
-//------------------------------------------------------------------------------------------
-// graphics attributes setting/getting
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	set_color :: proc(color: color) ---
-	set_color_rgba :: proc(r, g, b, a: f32) ---
-	set_width :: proc(width: f32) ---
-	set_tolerance :: proc(tolerance: f32) ---
-	set_joint :: proc(joint: joint_type) ---
-	set_max_joint_excursion :: proc(maxJointExcursion: f32) ---
-	set_cap :: proc(cap: cap_type) ---
-	set_font :: proc(font: font) ---
-	set_font_size :: proc(size: f32) ---
-	set_text_flip :: proc(flip: c.bool) ---
-	set_image :: proc(image: image) ---
-	set_image_source_region :: proc(region: rect) ---
-
-	get_color :: proc() -> color ---
-	get_width :: proc() -> f32 ---
-	get_tolerance :: proc() -> f32 ---
-	get_joint :: proc() -> joint_type ---
-	get_max_joint_excursion :: proc() -> f32 ---
-	get_cap :: proc() -> cap_type ---
-	get_font :: proc() -> font ---
-	get_font_size :: proc() -> f32 ---
-	get_text_flip :: proc() -> bool ---
-	get_image :: proc() -> image ---
-}
-
-//------------------------------------------------------------------------------------------
-// path construction
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	get_position :: proc() -> vec2 ---
-	move_to :: proc(x, y: f32) ---
-	line_to :: proc(x, y: f32) ---
-	quadratic_to :: proc(x1, y1, x2, y2: f32) ---
-	cubic_to :: proc(x1, y1, x2, y2, x3, y3: f32) ---
-	close_path :: proc() ---
-
-	glyph_outlines :: proc(glyphIndices: str32) -> rect ---
-	codepoints_outlines :: proc(str: str32) ---
-	text_outlines :: proc(str: str8) ---
-}
-
-//------------------------------------------------------------------------------------------
-// clear/fill/stroke
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	clear :: proc() ---
-	fill :: proc() ---
-	stroke :: proc() ---
-}
-
-//------------------------------------------------------------------------------------------
-// shapes helpers
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	rectangle_fill :: proc(x, y, w, h: f32) ---
-	rectangle_stroke :: proc(x, y, w, h: f32) ---
-	rounded_rectangle_fill :: proc(x, y, w, h, r: f32) ---
-	rounded_rectangle_stroke :: proc(x, y, w, h, r: f32) ---
-	ellipse_fill :: proc(x, y, rx, ry: f32) ---
-	ellipse_stroke :: proc(x, y, rx, ry: f32) ---
-	circle_fill :: proc(x, y, r: f32) ---
-	circle_stroke :: proc(x, y, r: f32) ---
-	arc :: proc(x, y, r, arcAngle, startAngle: f32) ---
-	image_draw :: proc(image: image, rect: rect) ---
-	image_draw_region :: proc(image: image, srcRegion, dstRegion: rect) ---
-
-	text_fill :: proc(x, y: f32, text: str8) ---
-}
-
-//------------------------------------------------------------------------------------------
-// fonts
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	font_nil :: proc() -> font ---
-	font_is_nil :: proc(font: font) -> c.bool ---
-
-	font_create_from_memory :: proc(mem: str8, rangeCount: u32, ranges: [^]unicode_range) -> font ---
-	font_create_from_file :: proc(file: file, rangeCount: u32, ranges: [^]unicode_range) -> font ---
-	font_create_from_path :: proc(path: str8, rangeCount: u32, ranges: [^]unicode_range) -> font ---
-
-	font_destroy :: proc(font: font) ---
-
-	font_get_glyph_indices :: proc(font: font, codePoints: str32, backing: str32) -> str32 ---
-	font_push_glyph_indices :: proc(arena: ^arena, font: font, codePoints: str32) -> str32 ---
-	font_get_glyph_index :: proc(font: font, codePoint: utf32) -> u32 ---
-
-	font_get_metrics :: proc(font: font, emSize: f32) -> font_metrics ---
-	font_get_metrics_unscaled :: proc(font: font) -> font_metrics ---
-	font_get_scale_for_em_pixels :: proc(font: font, emSize: f32) -> f32 ---
-
-	font_text_metrics_utf32 :: proc(font: font, fontSize: f32, codepoints: str32) -> text_metrics ---
-	font_text_metrics :: proc(font: font, fontSize: f32, text: str8) -> text_metrics ---
-}
-
-//------------------------------------------------------------------------------------------
-// images
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	image_nil :: proc() -> image ---
-	image_is_nil :: proc(a: image) -> c.bool ---
-
-	image_create :: proc(surface: surface, width, height: u32) -> image ---
-	image_create_from_rgba8 :: proc(surface: surface, width, height: u32, pixels: [^]u8) -> image ---
-	image_create_from_memory :: proc(surface: surface, mem: str8, flip: c.bool) -> image ---
-	image_create_from_file :: proc(surface: surface, file: file, flip: c.bool) -> image ---
-	image_create_from_path :: proc(surface: surface, path: str8, flip: c.bool) -> image ---
-
-	image_destroy :: proc(image: image) ---
-
-	image_upload_region_rgba8 :: proc(image: image, region: rect, pixels: [^]u8) ---
-	image_size :: proc(image: image) -> vec2 ---
-}
-
-//------------------------------------------------------------------------------------------
-// image atlas
-//------------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	rect_atlas_create :: proc(arena: ^arena, width, height: i32) -> ^rect_atlas ---
-	rect_atlas_alloc :: proc(atlas: ^rect_atlas, width, height: i32) -> rect ---
-	rect_atlas_recycle :: proc(atlas: ^rect_atlas, rect: rect) ---
-
-	image_atlas_allfrom_rgba8 :: proc(atlas: ^rect_atlas, backingImage: image, width, height: u32, pixels: [^]u8) -> image_region ---
-	image_atlas_allfrom_memory :: proc(atlas: ^rect_atlas, backingImage: image, mem: str8, flip: c.bool) -> image_region ---
-	image_atlas_allfrom_file :: proc(atlas: ^rect_atlas, backingImage: image, file: file, flip: c.bool) -> image_region ---
-	image_atlas_allfrom_path :: proc(atlas: ^rect_atlas, backingImage: image, path: str8, flip: c.bool) -> image_region ---
-
-	image_atlas_recycle :: proc(atlas: ^rect_atlas, imageRgn: image_region) ---
-}
diff --git a/core/sys/orca/input_state.odin b/core/sys/orca/input_state.odin
deleted file mode 100644
index d8779f453..000000000
--- a/core/sys/orca/input_state.odin
+++ /dev/null
@@ -1,59 +0,0 @@
-package orca
-
-import "core:c"
-
-key_state :: struct {
-	lastUpdate: u64,
-	transitionCount: u32,
-	repeatCount: u32,
-	down: c.bool,
-	sysClicked: c.bool,
-	sysDoubleClicked: c.bool,
-	sysTripleClicked: c.bool,
-}
-
-keyboard_state :: struct {
-	keys: [len(key_code)]key_state,
-	mods: keymod_flags,
-}
-
-mouse_state :: struct {
-	lastUpdate: u64,
-	posValid: c.bool,
-	pos: vec2,
-	delta: vec2,
-	wheel: vec2,
-
-	_: struct #raw_union {
-		buttons: [len(mouse_button)]key_state,
-
-		_: struct {
-			left: key_state,
-			right: key_state,
-			middle: key_state,
-			ext1: key_state,
-			ext2: key_state,
-		}
-	}
-}
-
-INPUT_TEXT_BACKING_SIZE :: 64
-
-text_state :: struct {
-	lastUpdate: u64,
-	backing: [INPUT_TEXT_BACKING_SIZE]utf32,
-	codePoints: str32,
-}
-
-clipboard_state :: struct {
-	lastUpdate: u64,
-	pastedText: str8,
-}
-
-input_state :: struct {
-	frameCounter: u64,
-	keyboard: keyboard_state,
-	mouse: mouse_state,
-	text: text_state,
-	clipboard: clipboard_state,
-}
diff --git a/core/sys/orca/io.odin b/core/sys/orca/io.odin
deleted file mode 100644
index 501a45623..000000000
--- a/core/sys/orca/io.odin
+++ /dev/null
@@ -1,159 +0,0 @@
-package orca
-
-import "core:c"
-
-file :: distinct u64 // handle
-
-file_access :: enum u16 {
-	NONE = 0,
-	READ = 1 << 1,
-	WRITE = 1 << 2,
-}
-
-file_open_flags :: enum u16 {
-	NONE = 0,
-	APPEND = 1 << 1,
-	TRUNCATE = 1 << 2,
-	CREATE = 1 << 3,
-
-	SYMLINK = 1 << 4,
-	NO_FOLLOW = 1 << 5,
-	RESTRICT = 1 << 6,
-}
-
-file_whence :: enum c.int {
-	SEEK_SET,
-	SEEK_END,
-	SEEK_CURRENT,
-}
-
-io_error :: enum i32 {
-	OK = 0,
-	ERR_UNKNOWN,
-	ERR_OP,          // unsupported operation
-	ERR_HANDLE,      // invalid handle
-	ERR_PREV,        // previously had a fatal error (last error stored on handle)
-	ERR_ARG,         // invalid argument or argument combination
-	ERR_PERM,        // access denied
-	ERR_SPACE,       // no space left
-	ERR_NO_ENTRY,    // file or directory does not exist
-	ERR_EXISTS,      // file already exists
-	ERR_NOT_DIR,     // path element is not a directory
-	ERR_DIR,         // attempted to write directory
-	ERR_MAX_FILES,   // max open files reached
-	ERR_MAX_LINKS,   // too many symbolic links in path
-	ERR_PATH_LENGTH, // path too long
-	ERR_FILE_SIZE,   // file too big
-	ERR_OVERFLOW,    // offset too big
-	ERR_NOT_READY,   // no data ready to be read/written
-	ERR_MEM,         // failed to allocate memory
-	ERR_INTERRUPT,   // operation interrupted by a signal
-	ERR_PHYSICAL,    // physical IO error
-	ERR_NO_DEVICE,   // device not found
-	ERR_WALKOUT,     // attempted to walk out of root directory
-}
-
-//----------------------------------------------------------------
-// File System wrapper API
-//----------------------------------------------------------------
-file_type :: enum c.int {
-	UNKNOWN,
-	REGULAR,
-	DIRECTORY,
-	SYMLINK,
-	BLOCK,
-	CHARACTER,
-	FIFO,
-	SOCKET,
-}
-
-file_perm :: enum u16 {
-	OTHER_EXEC = 1 << 0,
-	OTHER_WRITE = 1 << 1,
-	OTHER_READ = 1 << 2,
-
-	GROUP_EXEC = 1 << 3,
-	GROUP_WRITE = 1 << 4,
-	GROUP_READ = 1 << 5,
-
-	OWNER_EXEC = 1 << 6,
-	OWNER_WRITE = 1 << 7,
-	OWNER_READ = 1 << 8,
-
-	STICKY_BIT = 1 << 9,
-	SET_GID = 1 << 10,
-	SET_UID = 1 << 11,
-}
-
-datestamp :: struct {
-	seconds: i64,  // seconds relative to NTP epoch.
-	fraction: u64, // fraction of seconds elapsed since the time specified by seconds.
-}
-
-file_status :: struct {
-	 uid: u64,
-	 type: file_type,
-	 perm: file_perm,
-	 size: u64,
-
-	 creationDate: datestamp,
-	 accessDate: datestamp,
-	 modificationDate: datestamp,
-}
-
-// TODO file dialogs
-
-// typedef struct oc_file_open_with_dialog_elt
-// {
-//     oc_list_elt listElt;
-//     oc_file file;
-// } oc_file_open_with_dialog_elt;
-
-// typedef struct oc_file_open_with_dialog_result
-// {
-//     oc_file_dialog_button button;
-//     oc_file file;
-//     oc_list selection;
-// } oc_file_open_with_dialog_result;
-
-// file_open_with_dialog_result :: u64 // TODO
-// file_dialog_desc :: u64 // TODO
-
-//----------------------------------------------------------------
-// Low-level File IO API
-//----------------------------------------------------------------
-// @(default_calling_convention="c", link_prefix="oc_")
-// foreign {
-// oc_io_cmp oc_io_wait_single_req(oc_io_req* req);
-// }
-
-//----------------------------------------------------------------
-// High-level File IO API
-//----------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	file_nil :: proc() -> file ---
-	file_is_nil :: proc(handle: file) -> c.bool ---
-
-	file_open :: proc(path: str8, rights: file_access, flags: file_open_flags) -> file ---
-	file_open_at :: proc(dir: file, path: str8, rights: file_access, flags: file_open_flags) -> file ---
-	file_close :: proc(file: file) ---
-	file_last_error :: proc(handle: file) -> io_error ---
-
-	file_pos :: proc(file: file) -> i64 ---
-	file_seek :: proc(file: file, offset: i64, whence: file_whence) -> i64 ---
-	file_write :: proc(file: file, size: u64, buffer: [^]byte) -> u64 ---
-	file_read :: proc(file: file, size: u64, buffer: [^]byte) -> u64 ---
-
-	file_get_status :: proc(file: file) -> file_status ---
-	file_size :: proc(file: file) -> u64 ---
-}
-
-//----------------------------------------------------------------
-// Asking users for file capabilities
-//----------------------------------------------------------------
-// @(default_calling_convention="c", link_prefix="oc_")
-// foreign {
-// 	file_open_with_request :: proc(path: str8, rights: file_access, flags: file_open_flags) -> file ---
-// 	file_open_with_dialog :: proc(arena: ^arena, rights: file_access, flags: file_open_flags, desc: ^file_dialog_desc) -> file_open_with_dialog_result ---
-// }
\ No newline at end of file
diff --git a/core/sys/orca/lists.odin b/core/sys/orca/lists.odin
deleted file mode 100644
index fda0f5718..000000000
--- a/core/sys/orca/lists.odin
+++ /dev/null
@@ -1,117 +0,0 @@
-package orca
-
-// TODO could check if container/intrusive/list/intrusive_list.odin can be used
-
-//----------------------------------------------------------------
-// Lists
-//----------------------------------------------------------------
-list_elt :: struct {
-	prev: ^list_elt,
-	next: ^list_elt,
-}
-
-list :: struct {
-	first: ^list_elt,
-	last: ^list_elt,
-}
-
-list_init :: proc "c" (list: ^list) {
-	list.first = nil
-	list.last = nil
-}
-
-list_insert :: proc "c" (list: ^list, afterElt, elt: ^list_elt) {
-	elt.prev = afterElt
-	elt.next = afterElt.next
-	if afterElt.next != nil {
-		afterElt.next.prev = elt
-	} else {
-		list.last = elt
-	}
-	afterElt.next = elt
-
-	// OC_DEBUG_ASSERT(elt.next != elt, "list_insert(): can't insert an element into itself")
-}
-
-list_insert_before :: proc "c" (list: ^list, beforeElt, elt: ^list_elt) {
-	elt.next = beforeElt
-	elt.prev = beforeElt.prev
-
-	if beforeElt.prev != nil {
-		beforeElt.prev.next = elt
-	} else {
-		list.first = elt
-	}
-	beforeElt.prev = elt
-
-	// OC_DEBUG_ASSERT(elt.next != elt, "list_insert_before(): can't insert an element into itself")
-}
-
-list_remove :: proc "c" (list: ^list, elt: ^list_elt) {
-	if elt.prev != nil {
-		elt.prev.next = elt.next
-	} else {
-		// OC_DEBUG_ASSERT(list.first == elt)
-		list.first = elt.next
-	}
-
-	if elt.next != nil {
-		elt.next.prev = elt.prev
-	} else {
-		// OC_DEBUG_ASSERT(list.last == elt)
-		list.last = elt.prev
-	}
-
-	elt.prev = nil
-	elt.next = nil
-}
-
-list_push :: proc "c" (list: ^list, elt: ^list_elt) {
-	elt.next = list.first
-	elt.prev = nil
-	if list.first != nil {
-		list.first.prev = elt
-	} else {
-		list.last = elt
-	}
-	list.first = elt
-}
-
-list_pop :: proc "c" (list: ^list) -> ^list_elt {
-	elt := list.first
-	if elt != list.last {
-		list_remove(list, elt)
-		return elt
-	} else {
-		return nil
-	}
-}
-
-list_push_back :: proc "c" (list: ^list, elt: ^list_elt) {
-	elt.prev = list.last
-	elt.next = nil
-	
-	if list.last != nil {
-		list.last.next = elt
-	} else {
-		list.first = elt
-	}
-
-	list.last = elt
-}
-
-list_append :: list_push_back
-
-list_pop_back :: proc "c" (list: ^list) -> ^list_elt {
-	elt := list.last
-	if elt != nil {
-		list_remove(list, elt)
-		return elt
-	} else {
-		return nil
-	}
-}
-
-list_empty :: proc "c" (list: ^list) -> bool {
-	return list.first == nil || list.last == nil
-}
diff --git a/core/sys/orca/orca_graphics.odin b/core/sys/orca/orca_graphics.odin
new file mode 100644
index 000000000..740618f58
--- /dev/null
+++ b/core/sys/orca/orca_graphics.odin
@@ -0,0 +1,332 @@
+package orca
+
+import "core:c"
+
+
+surface_data :: struct {}
+canvas_backend :: struct {}
+
+
+surface_destroy_proc       :: proc "c" (surface: ^surface_data)
+surface_select_proc        :: proc "c" (surface: ^surface_data)
+surface_deselect_proc      :: proc "c" (surface: ^surface_data)
+surface_present_proc       :: proc "c" (surface: ^surface_data)
+surface_swap_interval_proc :: proc "c" (surface: ^surface_data, swap: c.int)
+
+surface_get_size_proc         :: proc "c" (surface: ^surface_data) -> vec2
+surface_contents_scaling_proc :: proc "c" (surface: ^surface_data) -> vec2
+surface_get_hidden_proc       :: proc "c" (surface: ^surface_data) -> bool
+surface_set_hidden_proc       :: proc "c" (surface: ^surface_data, hidden: bool);
+surface_native_layer_proc     :: proc "c" (surface: ^surface_data) -> rawptr
+
+surface_bring_to_front_proc :: proc "c" (surface: ^surface_data)
+surface_send_to_back_proc   :: proc "c" (surface: ^surface_data)
+
+
+//------------------------------------------------------------------------
+// canvas structs
+//------------------------------------------------------------------------
+path_elt_type :: enum c.int {
+	MOVE,
+	LINE,
+	QUADRATIC,
+	CUBIC,
+}
+
+path_elt :: struct {
+	type: path_elt_type,
+	p:    [3]vec2,
+}
+
+path_descriptor :: struct {
+	startIndex: u32,
+	count:      u32,
+	startPoint: vec2,
+}
+
+attributes :: struct {
+	width:             f32,
+	tolerance:         f32,
+	color:             color,
+	joint:             joint_type,
+	maxJointExcursion: f32,
+	cap:               cap_type,
+
+	font:      font,
+	fontSize:  f32,
+
+	image:     image,
+	srcRegion: rect,
+
+	transform: mat2x3,
+	clip:      rect,
+}
+
+primitive_cmd :: enum {
+	FILL,
+	STROKE,
+	JUMP,
+}
+
+primitive :: struct {
+	cmd:        primitive_cmd,
+	attributes: attributes,
+
+	using _: struct #raw_union {
+		path: path_descriptor,
+		rect: rect,
+		jump: u32,
+	},
+}
+
+
+
+surface_api :: enum c.int {
+	NONE,
+	METAL,
+	GL,
+	GLES,
+	CANVAS,
+	HOST,
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	is_surface_api_available :: proc(api: surface_api) -> bool ---
+}
+
+//------------------------------------------------------------------------------------------
+//SECTION: graphics surface
+//------------------------------------------------------------------------------------------
+surface :: struct {
+	h: u64,
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	oc_surface_nil             :: proc() -> surface ---            //DOC: returns a nil surface
+	oc_surface_is_nil          :: proc(surface: surface) -> bool --- //DOC: true if surface is nil
+
+	oc_surface_canvas          :: proc() -> surface --- //DOC: creates a surface for use with the canvas API
+	oc_surface_gles            :: proc() -> surface ---   //DOC: create a surface for use with GLES API
+
+
+	oc_surface_destroy         :: proc(surface: surface) --- //DOC: destroys the surface
+
+	oc_surface_select          :: proc(surface: surface) --- //DOC: selects the surface in the current thread before drawing
+	oc_surface_deselect        :: proc() ---             //DOC: deselects the current thread's previously selected surface
+	oc_surface_get_selected    :: proc() -> surface ---
+
+	oc_surface_present         :: proc(surface: surface) --- //DOC: presents the surface to its window
+
+	oc_surface_get_size        :: proc(surface: surface) -> vec2 ---
+	oc_surface_contents_scaling:: proc(surface: surface) -> vec2 --- //DOC: returns the scaling of the surface (pixels = points * scale)
+
+	oc_surface_bring_to_front  :: proc(surface: surface) --- //DOC: puts surface on top of the surface stack
+	oc_surface_send_to_back    :: proc(surface: surface) ---   //DOC: puts surface at the bottom of the surface stack
+}
+
+//------------------------------------------------------------------------------------------
+//SECTION: graphics canvas structs
+//------------------------------------------------------------------------------------------
+canvas :: struct {h: u64}
+font   :: struct {h: u64}
+image  :: struct {h: u64}
+
+joint_type :: enum c.int {
+	MITER = 0,
+	BEVEL,
+	NONE,
+}
+
+cap_type :: enum c.int {
+	NONE = 0,
+	SQUARE,
+}
+
+font_metrics :: struct {
+	ascent:    f32, // the extent above the baseline (by convention a positive value extends above the baseline)
+	descent:   f32, // the extent below the baseline (by convention, positive value extends below the baseline)
+	lineGap:   f32, // spacing between one row's descent and the next row's ascent
+	xHeight:   f32, // height of the lower case letter 'x'
+	capHeight: f32, // height of the upper case letter 'M'
+	width:     f32, // maximum width of the font
+}
+
+glyph_metrics :: struct {
+	ink:     rect,
+	advance: vec2,
+}
+
+text_metrics :: struct {
+	ink:     rect,
+	logical: rect,
+	advance: vec2,
+}
+
+//NOTE: image atlas helpers
+image_region :: struct {
+	image: image,
+	rect:  rect,
+}
+
+/*
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	//------------------------------------------------------------------------------------------
+	//SECTION: graphics canvas
+	//------------------------------------------------------------------------------------------
+	ORCA_API oc_canvas oc_canvas_nil();           //DOC: returns a nil canvas
+	ORCA_API bool oc_canvas_is_nil(oc_canvas canvas); //DOC: true if canvas is nil
+
+	ORCA_API oc_canvas oc_canvas_create();             //DOC: create a new canvas
+	ORCA_API void oc_canvas_destroy(oc_canvas canvas);     //DOC: destroys canvas
+	ORCA_API oc_canvas oc_canvas_select(oc_canvas canvas); //DOC: selects canvas in the current thread
+	ORCA_API void oc_render(oc_canvas canvas);             //DOC: renders all canvas commands onto surface
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: fonts
+	//------------------------------------------------------------------------------------------
+	ORCA_API oc_font oc_font_nil();
+	ORCA_API bool oc_font_is_nil(oc_font font);
+
+	ORCA_API oc_font oc_font_create_from_memory(oc_str8 mem, u32 rangeCount, oc_unicode_range* ranges);
+	ORCA_API oc_font oc_font_create_from_file(oc_file file, u32 rangeCount, oc_unicode_range* ranges);
+	ORCA_API oc_font oc_font_create_from_path(oc_str8 path, u32 rangeCount, oc_unicode_range* ranges);
+
+	ORCA_API void oc_font_destroy(oc_font font);
+
+	ORCA_API oc_str32 oc_font_get_glyph_indices(oc_font font, oc_str32 codePoints, oc_str32 backing);
+	ORCA_API oc_str32 oc_font_push_glyph_indices(oc_arena* arena, oc_font font, oc_str32 codePoints);
+	ORCA_API u32 oc_font_get_glyph_index(oc_font font, oc_utf32 codePoint);
+
+	// metrics
+	ORCA_API oc_font_metrics oc_font_get_metrics(oc_font font, f32 emSize);
+	ORCA_API oc_font_metrics oc_font_get_metrics_unscaled(oc_font font);
+	ORCA_API f32 oc_font_get_scale_for_em_pixels(oc_font font, f32 emSize);
+
+	ORCA_API oc_text_metrics oc_font_text_metrics_utf32(oc_font font, f32 fontSize, oc_str32 codepoints);
+	ORCA_API oc_text_metrics oc_font_text_metrics(oc_font font, f32 fontSize, oc_str8 text);
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: images
+	//------------------------------------------------------------------------------------------
+	ORCA_API oc_image oc_image_nil();
+	ORCA_API bool oc_image_is_nil(oc_image a);
+
+	ORCA_API oc_image oc_image_create(oc_surface surface, u32 width, u32 height);
+	ORCA_API oc_image oc_image_create_from_rgba8(oc_surface surface, u32 width, u32 height, u8* pixels);
+	ORCA_API oc_image oc_image_create_from_memory(oc_surface surface, oc_str8 mem, bool flip);
+	ORCA_API oc_image oc_image_create_from_file(oc_surface surface, oc_file file, bool flip);
+	ORCA_API oc_image oc_image_create_from_path(oc_surface surface, oc_str8 path, bool flip);
+
+	ORCA_API void oc_image_destroy(oc_image image);
+
+	ORCA_API void oc_image_upload_region_rgba8(oc_image image, oc_rect region, u8* pixels);
+	ORCA_API oc_vec2 oc_image_size(oc_image image);
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: atlasing
+	//------------------------------------------------------------------------------------------
+
+	//NOTE: rectangle allocator
+	typedef struct oc_rect_atlas oc_rect_atlas;
+
+	ORCA_API oc_rect_atlas* oc_rect_atlas_create(oc_arena* arena, i32 width, i32 height);
+	ORCA_API oc_rect oc_rect_atlas_alloc(oc_rect_atlas* atlas, i32 width, i32 height);
+	ORCA_API void oc_rect_atlas_recycle(oc_rect_atlas* atlas, oc_rect rect);
+
+	ORCA_API oc_image_region oc_image_atlas_alloc_from_rgba8(oc_rect_atlas* atlas, oc_image backingImage, u32 width, u32 height, u8* pixels);
+	ORCA_API oc_image_region oc_image_atlas_alloc_from_memory(oc_rect_atlas* atlas, oc_image backingImage, oc_str8 mem, bool flip);
+	ORCA_API oc_image_region oc_image_atlas_alloc_from_file(oc_rect_atlas* atlas, oc_image backingImage, oc_file file, bool flip);
+	ORCA_API oc_image_region oc_image_atlas_alloc_from_path(oc_rect_atlas* atlas, oc_image backingImage, oc_str8 path, bool flip);
+	ORCA_API void oc_image_atlas_recycle(oc_rect_atlas* atlas, oc_image_region imageRgn);
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: transform, viewport and clipping
+	//------------------------------------------------------------------------------------------
+	ORCA_API void oc_matrix_push(oc_mat2x3 matrix);
+	ORCA_API void oc_matrix_multiply_push(oc_mat2x3 matrix);
+	ORCA_API void oc_matrix_pop();
+	ORCA_API oc_mat2x3 oc_matrix_top();
+
+	ORCA_API void oc_clip_push(f32 x, f32 y, f32 w, f32 h);
+	ORCA_API void oc_clip_pop();
+	ORCA_API oc_rect oc_clip_top();
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: graphics attributes setting/getting
+	//------------------------------------------------------------------------------------------
+	ORCA_API void oc_set_color(oc_color color);
+	ORCA_API void oc_set_color_rgba(f32 r, f32 g, f32 b, f32 a);
+	ORCA_API void oc_set_width(f32 width);
+	ORCA_API void oc_set_tolerance(f32 tolerance);
+	ORCA_API void oc_set_joint(oc_joint_type joint);
+	ORCA_API void oc_set_max_joint_excursion(f32 maxJointExcursion);
+	ORCA_API void oc_set_cap(oc_cap_type cap);
+	ORCA_API void oc_set_font(oc_font font);
+	ORCA_API void oc_set_font_size(f32 size);
+	ORCA_API void oc_set_text_flip(bool flip);
+	ORCA_API void oc_set_image(oc_image image);
+	ORCA_API void oc_set_image_source_region(oc_rect region);
+
+	ORCA_API oc_color oc_get_color();
+	ORCA_API f32 oc_get_width();
+	ORCA_API f32 oc_get_tolerance();
+	ORCA_API oc_joint_type oc_get_joint();
+	ORCA_API f32 oc_get_max_joint_excursion();
+	ORCA_API oc_cap_type oc_get_cap();
+	ORCA_API oc_font oc_get_font();
+	ORCA_API f32 oc_get_font_size();
+	ORCA_API bool oc_get_text_flip();
+	ORCA_API oc_image oc_get_image();
+	ORCA_API oc_rect oc_get_image_source_region();
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: path construction
+	//------------------------------------------------------------------------------------------
+	ORCA_API oc_vec2 oc_get_position();
+	ORCA_API void oc_move_to(f32 x, f32 y);
+	ORCA_API void oc_line_to(f32 x, f32 y);
+	ORCA_API void oc_quadratic_to(f32 x1, f32 y1, f32 x2, f32 y2);
+	ORCA_API void oc_cubic_to(f32 x1, f32 y1, f32 x2, f32 y2, f32 x3, f32 y3);
+	ORCA_API void oc_close_path();
+
+	ORCA_API oc_rect oc_glyph_outlines(oc_str32 glyphIndices);
+	ORCA_API void oc_codepoints_outlines(oc_str32 string);
+	ORCA_API void oc_text_outlines(oc_str8 string);
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: clear/fill/stroke
+	//------------------------------------------------------------------------------------------
+	ORCA_API void oc_clear();
+	ORCA_API void oc_fill();
+	ORCA_API void oc_stroke();
+
+	//------------------------------------------------------------------------------------------
+	//SECTION: shapes helpers
+	//------------------------------------------------------------------------------------------
+	ORCA_API void oc_rectangle_fill(f32 x, f32 y, f32 w, f32 h);
+	ORCA_API void oc_rectangle_stroke(f32 x, f32 y, f32 w, f32 h);
+	ORCA_API void oc_rounded_rectangle_fill(f32 x, f32 y, f32 w, f32 h, f32 r);
+	ORCA_API void oc_rounded_rectangle_stroke(f32 x, f32 y, f32 w, f32 h, f32 r);
+	ORCA_API void oc_ellipse_fill(f32 x, f32 y, f32 rx, f32 ry);
+	ORCA_API void oc_ellipse_stroke(f32 x, f32 y, f32 rx, f32 ry);
+	ORCA_API void oc_circle_fill(f32 x, f32 y, f32 r);
+	ORCA_API void oc_circle_stroke(f32 x, f32 y, f32 r);
+	ORCA_API void oc_arc(f32 x, f32 y, f32 r, f32 arcAngle, f32 startAngle);
+
+	ORCA_API void oc_text_fill(f32 x, f32 y, oc_str8 text);
+
+	//NOTE: image helpers
+	ORCA_API void oc_image_draw(oc_image image, oc_rect rect);
+	ORCA_API void oc_image_draw_region(oc_image image, oc_rect srcRegion, oc_rect dstRegion);
+}
+
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	egl_surface_create_for_window :: proc(window: window) -> ^surface_data ---
+	egl_surface_create_remote     :: proc(width, height: u32) -> ^surface_data ---
+}
+*/
\ No newline at end of file
diff --git a/core/sys/orca/orca_strings.odin b/core/sys/orca/orca_strings.odin
new file mode 100644
index 000000000..67fa6a639
--- /dev/null
+++ b/core/sys/orca/orca_strings.odin
@@ -0,0 +1,40 @@
+package orca
+
+import "core:c"
+import ilist "core:container/intrusive/list"
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	str8_push_buffer  :: proc(arena: ^arena, len: u64, buffer: rawptr) -> str8 ---
+	str8_push_cstring :: proc(arena: ^arena, str: cstring) -> str8 ---
+	str8_push_copy    :: proc(arena: ^arena, s: string) -> str8 ---
+	str8_to_cstring   :: proc(arena: ^arena, s: str8) -> cstring ---
+}
+
+
+// string lists
+//----------------------------------------------------------------------------------
+str8_elt :: struct {
+	listElt: list_elt,
+	string:  str8,
+}
+
+str8_list :: struct {
+	list: list,
+	eltCount: u64,
+	len:      u64,
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	str8_list_push :: proc(arena: ^arena, list: ^str8_list, str: string) ---
+
+	str8_list_collate :: proc(arena: ^arena, list: str8_list, prefix, separator, postfix: string) -> str8 ---
+	str8_list_join    :: proc(arena: ^arena, list: str8_list) -> str8 ---
+	str8_split        :: proc(arena: ^arena, str:  string, separators: str8_list) -> str8_list ---
+
+	win32_utf8_to_wide                  :: proc(arena: ^arena, s: str8) -> str16 ---
+	win32_wide_to_utf8                  :: proc(arena: ^arena, s: str16) -> str8 ---
+	win32_path_normalize_slash_in_place :: proc(path: []byte) ---
+}
+
diff --git a/core/sys/orca/orca_threads.odin b/core/sys/orca/orca_threads.odin
new file mode 100644
index 000000000..29f6b1a3c
--- /dev/null
+++ b/core/sys/orca/orca_threads.odin
@@ -0,0 +1,75 @@
+package orca
+
+import "core:c"
+
+THREAD_NAME_MAX_SIZE :: 64  // including null terminator
+
+
+thread :: struct {}
+
+thread_start_proc :: proc "c" (userPointer: rawptr) -> i32
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	thread_create           :: proc(start: thread_start_proc, userPointer: rawptr) -> ^thread ---
+	thread_create_with_name :: proc(start: thread_start_proc, userPointer: rawptr, name: string) -> ^thread ---
+	thread_get_name         :: proc(thread: ^thread) -> string ---
+	thread_unique_id        :: proc(thread: ^thread) -> u64 ---
+	thread_self_id          :: proc() -> u64 ---
+	thread_signal           :: proc(thread: ^thread, sig: c.int) -> c.int ---
+	thread_join             :: proc(thread: ^thread, exitCode: ^i64) -> c.int ---
+	thread_detach           :: proc(thread: ^thread) -> c.int ---
+}
+
+//---------------------------------------------------------------
+// Platform Mutex API
+//---------------------------------------------------------------
+
+mutex :: struct {}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	mutex_create :: proc() -> ^mutex ---
+	mutex_destroy :: proc(mutex: ^mutex) -> c.int ---
+	mutex_lock    :: proc(mutex: ^mutex) -> c.int ---
+	mutex_unlock  :: proc(mutex: ^mutex) -> c.int ---
+}
+
+//---------------------------------------------------------------
+// Lightweight ticket mutex API
+//---------------------------------------------------------------
+
+ticket :: struct {
+	nextTicket: u64, // volatile and atomic
+	serving:    u64, // volatile and atomic
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	ticket_init   :: proc(mutex: ^ticket) ---
+	ticket_lock   :: proc(mutex: ^ticket) ---
+	ticket_unlock :: proc(mutex: ^ticket) ---
+}
+
+//---------------------------------------------------------------
+// Platform condition variable API
+//---------------------------------------------------------------
+
+condition :: struct {}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	condition_create    :: proc() -> ^condition ---
+	condition_destroy   :: proc(cond: ^condition) -> c.int ---
+	condition_wait      :: proc(cond: ^condition, mutex: ^mutex) -> c.int ---
+	condition_timedwait :: proc(cond: ^condition, mutex: ^mutex, seconds: f64) -> c.int ---
+	condition_signal    :: proc(cond: ^condition) -> c.int ---
+	condition_broadcast :: proc(cond: ^condition) -> c.int ---
+}
+//---------------------------------------------------------------
+// Putting threads to sleep
+//---------------------------------------------------------------
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	sleep_nano :: proc(nanoseconds: u64) --- // sleep for a given number of nanoseconds
+}
\ No newline at end of file
diff --git a/core/sys/orca/orca_types.odin b/core/sys/orca/orca_types.odin
new file mode 100644
index 000000000..45d476ad6
--- /dev/null
+++ b/core/sys/orca/orca_types.odin
@@ -0,0 +1,807 @@
+package orca
+
+import "core:c"
+import ilist "core:container/intrusive/list"
+
+list_elt :: ilist.Node
+list :: ilist.List
+
+vec2   :: [2]f32
+vec3   :: [3]f32
+vec4   :: [4]f32
+vec2i  :: [2]i32
+mat2x3 :: #row_major matrix[2, 3]f32
+rect   :: struct {
+	x, y: f32,
+	w, h: f32,
+}
+
+color :: distinct [4]f32
+
+str8  :: string
+str16 :: []u16
+str32 :: []rune
+
+
+
+clock_kind :: enum c.int {
+	MONOTONIC, // clock that increment monotonically
+	UPTIME,    // clock that increment monotonically during uptime
+	DATE       // clock that is driven by the platform time
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	clock_time :: proc(clock: clock_kind) -> f64 ---
+}
+
+
+//----------------------------------------------------------------
+// Assert / Abort
+//----------------------------------------------------------------
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	abort_ext   :: proc(file: cstring, function: cstring, line: c.int, fmt: cstring, #c_vararg args: ..any) -> ! ---
+	assert_fail :: proc(file: cstring, function: cstring, line: c.int, src: cstring, fmt: cstring, #c_vararg args: ..any) -> ! ---
+}
+
+//----------------------------------------------------------------
+// Logging
+//----------------------------------------------------------------
+log_level :: enum c.int {
+   	ERROR,
+   	WARNING,
+   	INFO,
+}
+
+log_output :: struct {}
+
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	@(link_name="OC_LOG_DEFAULT_OUTPUT")
+	LOG_DEFAULT_OUTPUT: ^log_output
+
+	log_set_level  :: proc(level: log_level) ---
+	log_set_output :: proc(output: ^log_output) ---
+	log_ext        :: proc(level: log_level,
+	                       function: cstring,
+	                       file: cstring,
+	                       line: c.int,
+	                       fmt: cstring,
+	                       #c_vararg args: ..any) ---
+}
+
+//--------------------------------------------------------------------------------
+//NOTE(martin): base allocator
+//--------------------------------------------------------------------------------
+mem_reserve_proc :: proc "c" (ctx: ^base_allocator, size: u64) -> rawptr
+mem_modify_proc  :: proc "c" (ctx: ^base_allocator, ptr: rawptr, size: u64)
+
+base_allocator :: struct {
+	reserve:  mem_reserve_proc,
+	commit:   mem_modify_proc,
+	decommit: mem_modify_proc,
+	release:  mem_modify_proc,
+
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	base_allocator_default :: proc() -> ^base_allocator ---
+}
+
+
+//--------------------------------------------------------------------------------
+//NOTE(martin): memory arena
+//--------------------------------------------------------------------------------
+
+arena_chunk :: struct {
+	listElt:   list_elt,
+	ptr:       [^]byte,
+	offset:    u64,
+	committed: u64,
+	cap:       u64,
+}
+
+arena :: struct {
+	base: ^base_allocator,
+	chunks: list,
+	currentChunk: ^arena_chunk,
+}
+
+arena_scope :: struct {
+	arena: ^arena,
+    	chunk: ^arena_chunk,
+    	offset: u64,
+}
+
+arena_options :: struct {
+	base: ^base_allocator,
+	reserve: u64,
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	arena_init              :: proc(arena: ^arena) ---
+	arena_init_with_options :: proc(arena: ^arena, #by_ptr options: arena_options) ---
+	arena_cleanup           :: proc(arena: ^arena) ---
+
+	arena_push         :: proc(arena: ^arena, size: u64) -> rawptr ---
+	arena_push_aligned :: proc(arena: ^arena, size: u64, alignment: u32) -> rawptr ---
+
+	arena_clear :: proc(arena: ^arena) ---
+
+	arena_scope_begin :: proc(arena: ^arena) -> arena_scope ---
+	arena_scope_end   :: proc(scope: arena_scope) ---
+}
+
+
+
+arena_push_type  :: proc "c" (arena: ^arena, $T: typeid) -> ^T {
+	return (^T)(arena_push_aligned(arena, size_of(type), align_of(type)))
+}
+arena_push_array :: proc "c" (arena: ^arena, $T: typeid, #any_int count: int) -> []T {
+	return ([^]T)(arena_push_aligned(arena, size_of(type)*u64(count), align_of(type)))[:count]
+}
+
+
+
+
+
+//----------------------------------------------------------------
+// IO API
+//----------------------------------------------------------------
+
+file :: struct {
+	h: u64,
+}
+
+file_open_flags :: distinct bit_set[file_open_flags_enum; u16]
+file_open_flags_enum :: enum u16 {
+	APPEND    = 1,
+	TRUNCATE  = 2,
+	CREATE    = 3,
+
+	SYMLINK   = 4,
+	NO_FOLLOW = 5,
+	RESTRICT  = 6,
+}
+
+file_access :: distinct bit_set[file_access_enum; u16]
+
+file_access_enum :: enum u16 {
+	READ  = 1,
+	WRITE = 2,
+}
+
+file_whence :: enum c.int {
+	SET,
+	END,
+	CURRENT,
+}
+
+io_req_id :: distinct u64
+
+io_op :: enum u32 {
+	OPEN_AT = 0,
+	CLOSE,
+
+	FSTAT,
+
+	SEEK,
+	READ,
+	WRITE,
+
+	ERROR,
+};
+
+io_req :: struct {
+	id:     io_req_id,
+	op:     io_op,
+	handle: file,
+
+	offset: i64,
+	size:   u64,
+
+	using _: struct #raw_union {
+		buffer: [^]byte,
+		_: u64,
+	},
+	using _: struct #raw_union {
+		open: struct {
+			rights: file_access,
+			flags:  file_open_flags,
+		},
+		whence: file_whence,
+	},
+}
+
+
+io_error :: enum u32 {
+	NONE = 0,
+	UNKNOWN,
+	OP,          // unsupported operation
+	HANDLE,      // invalid handle
+	PREV,        // previously had a fatal error (last error stored on handle)
+	ARG,         // invalid argument or argument combination
+	PERM,        // access denied
+	SPACE,       // no space left
+	NO_ENTRY,    // file or directory does not exist
+	EXISTS,      // file already exists
+	NOT_DIR,     // path element is not a directory
+	DIR,         // attempted to write directory
+	MAX_FILES,   // max open files reached
+	MAX_LINKS,   // too many symbolic links in path
+	PATH_LENGTH, // path too long
+	FILE_SIZE,   // file too big
+	OVERFLOW,    // offset too big
+	NOT_READY,   // no data ready to be read/written
+	MEM,         // failed to allocate memory
+	INTERRUPT,   // operation interrupted by a signal
+	PHYSICAL,    // physical IO error
+	NO_DEVICE,   // device not found
+	WALKOUT,     // attempted to walk out of root directory
+}
+
+io_cmp :: struct {
+	id:    io_req_id,
+	error: io_error,
+
+	using _: struct #raw_union {
+		result: i64,
+		size:   u64,
+		offset: i64,
+		handle: file,
+	}
+}
+
+
+@(default_calling_convention="c", link_prefix="oc_", link_suffix="_argptr_stub")
+foreign {
+	//----------------------------------------------------------------
+	//TODO: complete io queue api
+	//----------------------------------------------------------------
+	io_wait_single_req :: proc(req: ^io_req) -> io_cmp ---
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	//----------------------------------------------------------------
+	// File IO wrapper API
+	//----------------------------------------------------------------
+
+	file_nil        :: proc() -> file ---
+	file_is_nil     :: proc(handle: file) -> bool ---
+
+	file_open       :: proc(path: string, rights: file_access, flags: file_open_flags) -> file ---
+	file_open_at    :: proc(dir: file, path: string, rights: file_access, flags: file_open_flags) -> file ---
+	file_close      :: proc(file: file) ---
+
+	file_pos        :: proc(file: file) -> i64 ---
+	file_seek       :: proc(file: file, offset: i64, whence: file_whence) -> i64 ---
+
+	file_write      :: proc(file: file, size: u64, buffer: rawptr) -> u64 ---
+	file_read       :: proc(file: file, size: u64, buffer: rawptr) -> u64 ---
+
+	file_last_error :: proc(handle: file) -> io_error ---
+}
+
+
+//----------------------------------------------------------------
+// File System wrapper API
+//----------------------------------------------------------------
+
+file_type :: enum c.int {
+	UNKNOWN,
+	REGULAR,
+	DIRECTORY,
+	SYMLINK,
+	BLOCK,
+	CHARACTER,
+	FIFO,
+	SOCKET,
+}
+
+file_perm :: distinct bit_set[file_perm_enum; u16]
+
+file_perm_enum :: enum u16 {
+	OTHER_EXEC  = 0,
+	OTHER_WRITE = 1,
+	OTHER_READ  = 2,
+
+	GROUP_EXEC  = 3,
+	GROUP_WRITE = 4,
+	GROUP_READ  = 5,
+
+	OWNER_EXEC  = 6,
+	OWNER_WRITE = 7,
+	OWNER_READ  = 8,
+
+	STICKY_BIT  = 9,
+	SET_GID     = 10,
+	SET_UID     = 11,
+}
+
+datestamp :: struct {
+	seconds:  i64, // seconds relative to NTP epoch.
+	fraction: u64, // fraction of seconds elapsed since the time specified by seconds.
+}
+
+file_status :: struct {
+	uid:  u64,
+	type: file_type,
+	perm: file_perm,
+	size: u64,
+
+    	creationDate:     datestamp,
+    	accessDate:       datestamp,
+    	modificationDate: datestamp,
+}
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	file_get_status :: proc(file: file) -> file_status ---
+	file_size       :: proc(file: file) -> u64 ---
+}
+
+
+
+file_open_with_dialog_elt :: struct {
+	listElt: list_elt,
+	file:    file,
+}
+
+file_open_with_dialog_result :: struct {
+	button:    file_dialog_button,
+	file:      file,
+	selection: list,
+}
+
+
+@(default_calling_convention="c", link_prefix="oc_", link_suffix="_argptr_stub")
+foreign {
+	file_open_with_request :: proc(path: string, rights: file_access, flags: file_open_flags) -> file ---
+	file_open_with_dialog :: proc(arena: ^arena, rights: file_access, flags: file_open_flags, #by_ptr desc: file_dialog_desc) -> file_open_with_dialog_result ---
+}
+
+
+//--------------------------------------------------------------------
+// App typedefs, enums and constants
+//--------------------------------------------------------------------
+
+
+window :: struct {
+	h: u64,
+}
+
+mouse_cursor :: enum c.int {
+	ARROW,
+	RESIZE_0,
+	RESIZE_90,
+	RESIZE_45,
+	RESIZE_135,
+	TEXT,
+}
+
+window_style :: distinct bit_set[window_style_enum; u32]
+
+window_style_enum :: enum u32 {
+	NO_TITLE   = 0,
+	FIXED_SIZE = 1,
+	NO_CLOSE   = 2,
+	NO_MINIFY  = 3,
+	NO_FOCUS   = 4,
+	FLOAT      = 5,
+	POPUPMENU  = 6,
+	NO_BUTTONS = 7,
+}
+
+event_type :: enum c.int {
+	NONE,
+	KEYBOARD_MODS, //TODO: remove, keep only key?
+	KEYBOARD_KEY,
+	KEYBOARD_CHAR,
+	MOUSE_BUTTON,
+	MOUSE_MOVE,
+	MOUSE_WHEEL,
+	MOUSE_ENTER,
+	MOUSE_LEAVE,
+	CLIPBOARD_PASTE,
+	WINDOW_RESIZE,
+	WINDOW_MOVE,
+	WINDOW_FOCUS,
+	WINDOW_UNFOCUS,
+	WINDOW_HIDE, // rename to minimize?
+	WINDOW_SHOW, // rename to restore?
+	WINDOW_CLOSE,
+	PATHDROP,
+	FRAME,
+	QUIT,
+}
+
+key_action :: enum c.int {
+	NO_ACTION,
+	PRESS,
+	RELEASE,
+	REPEAT,
+}
+
+scan_code :: enum c.int {
+	UNKNOWN       = 0,
+	SPACE         = 32,
+	APOSTROPHE    = 39,
+	COMMA         = 44,
+	MINUS         = 45,
+	PERIOD        = 46,
+	SLASH         = 47,
+	_0            = 48,
+	_1            = 49,
+	_2            = 50,
+	_3            = 51,
+	_4            = 52,
+	_5            = 53,
+	_6            = 54,
+	_7            = 55,
+	_8            = 56,
+	_9            = 57,
+	SEMICOLON     = 59,
+	EQUAL         = 61,
+	LEFT_BRACKET  = 91,
+	BACKSLASH     = 92,
+	RIGHT_BRACKET = 93,
+	GRAVE_ACCENT  = 96,
+	A             = 97,
+	B             = 98,
+	C             = 99,
+	D             = 100,
+	E             = 101,
+	F             = 102,
+	G             = 103,
+	H             = 104,
+	I             = 105,
+	J             = 106,
+	K             = 107,
+	L             = 108,
+	M             = 109,
+	N             = 110,
+	O             = 111,
+	P             = 112,
+	Q             = 113,
+	R             = 114,
+	S             = 115,
+	T             = 116,
+	U             = 117,
+	V             = 118,
+	W             = 119,
+	X             = 120,
+	Y             = 121,
+	Z             = 122,
+	WORLD_1       = 161,
+	WORLD_2       = 162,
+	ESCAPE        = 256,
+	ENTER         = 257,
+	TAB           = 258,
+	BACKSPACE     = 259,
+	INSERT        = 260,
+	DELETE        = 261,
+	RIGHT         = 262,
+	LEFT          = 263,
+	DOWN          = 264,
+	UP            = 265,
+	PAGE_UP       = 266,
+	PAGE_DOWN     = 267,
+	HOME          = 268,
+	END           = 269,
+	CAPS_LOCK     = 280,
+	SCROLL_LOCK   = 281,
+	NUM_LOCK      = 282,
+	PRINT_SCREEN  = 283,
+	PAUSE         = 284,
+	F1            = 290,
+	F2            = 291,
+	F3            = 292,
+	F4            = 293,
+	F5            = 294,
+	F6            = 295,
+	F7            = 296,
+	F8            = 297,
+	F9            = 298,
+	F10           = 299,
+	F11           = 300,
+	F12           = 301,
+	F13           = 302,
+	F14           = 303,
+	F15           = 304,
+	F16           = 305,
+	F17           = 306,
+	F18           = 307,
+	F19           = 308,
+	F20           = 309,
+	F21           = 310,
+	F22           = 311,
+	F23           = 312,
+	F24           = 313,
+	F25           = 314,
+	KP_0          = 320,
+	KP_1          = 321,
+	KP_2          = 322,
+	KP_3          = 323,
+	KP_4          = 324,
+	KP_5          = 325,
+	KP_6          = 326,
+	KP_7          = 327,
+	KP_8          = 328,
+	KP_9          = 329,
+	KP_DECIMAL    = 330,
+	KP_DIVIDE     = 331,
+	KP_MULTIPLY   = 332,
+	KP_SUBTRACT   = 333,
+	KP_ADD        = 334,
+	KP_ENTER      = 335,
+	KP_EQUAL      = 336,
+	LEFT_SHIFT    = 340,
+	LEFT_CONTROL  = 341,
+	LEFT_ALT      = 342,
+	LEFT_SUPER    = 343,
+	RIGHT_SHIFT   = 344,
+	RIGHT_CONTROL = 345,
+	RIGHT_ALT     = 346,
+	RIGHT_SUPER   = 347,
+	MENU          = 348,
+}
+
+key_code :: enum c.int {
+	UNKNOWN = 0,
+	SPACE = ' ',
+	APOSTROPHE = '\'',
+	COMMA = ',',
+	MINUS = '-',
+	PERIOD = '.',
+	SLASH = '/',
+	_0 = '0',
+	_1 = '1',
+	_2 = '2',
+	_3 = '3',
+	_4 = '4',
+	_5 = '5',
+	_6 = '6',
+	_7 = '7',
+	_8 = '8',
+	_9 = '9',
+	SEMICOLON = ';',
+	EQUAL = '=',
+	LEFT_BRACKET = '[',
+	BACKSLASH = '\\',
+	RIGHT_BRACKET = ']',
+	GRAVE_ACCENT = '`',
+	A = 'a',
+	B = 'b',
+	C = 'c',
+	D = 'd',
+	E = 'e',
+	F = 'f',
+	G = 'g',
+	H = 'h',
+	I = 'i',
+	J = 'j',
+	K = 'k',
+	L = 'l',
+	M = 'm',
+	N = 'n',
+	O = 'o',
+	P = 'p',
+	Q = 'q',
+	R = 'r',
+	S = 's',
+	T = 't',
+	U = 'u',
+	V = 'v',
+	W = 'w',
+	X = 'x',
+	Y = 'y',
+	Z = 'z',
+	WORLD_1,
+	WORLD_2,
+	ESCAPE,
+	ENTER,
+	TAB,
+	BACKSPACE,
+	INSERT,
+	DELETE,
+	RIGHT,
+	LEFT,
+	DOWN,
+	UP,
+	PAGE_UP,
+	PAGE_DOWN,
+	HOME,
+	END,
+	CAPS_LOCK,
+	SCROLL_LOCK,
+	NUM_LOCK,
+	PRINT_SCREEN,
+	PAUSE,
+	F1,
+	F2,
+	F3,
+	F4,
+	F5,
+	F6,
+	F7,
+	F8,
+	F9,
+	F10,
+	F11,
+	F12,
+	F13,
+	F14,
+	F15,
+	F16,
+	F17,
+	F18,
+	F19,
+	F20,
+	F21,
+	F22,
+	F23,
+	F24,
+	F25,
+	KP_0,
+	KP_1,
+	KP_2,
+	KP_3,
+	KP_4,
+	KP_5,
+	KP_6,
+	KP_7,
+	KP_8,
+	KP_9,
+	KP_DECIMAL,
+	KP_DIVIDE,
+	KP_MULTIPLY,
+	KP_SUBTRACT,
+	KP_ADD,
+	KP_ENTER,
+	KP_EQUAL,
+	LEFT_SHIFT,
+	LEFT_CONTROL,
+	LEFT_ALT,
+	LEFT_SUPER,
+	RIGHT_SHIFT,
+	RIGHT_CONTROL,
+	RIGHT_ALT,
+	RIGHT_SUPER,
+	MENU,
+}
+
+keymod_flags :: distinct bit_set[keymod_flags_enum; c.int]
+keymod_flags_enum :: enum c.int {
+	ALT           = 0,
+	SHIFT         = 1,
+	CTRL          = 2,
+	CMD           = 3,
+	MAIN_MODIFIER = 4, // CMD on Mac, CTRL on Win32
+}
+
+
+mouse_button :: enum {
+	LEFT   = 0x00,
+	RIGHT  = 0x01,
+	MIDDLE = 0x02,
+	EXT1   = 0x03,
+	EXT2   = 0x04,
+}
+
+key_event :: struct { // keyboard and mouse buttons input
+	action:     key_action,
+	scanCode:   scan_code,
+	keyCode:    key_code,
+	button:     mouse_button,
+	mods:       keymod_flags,
+	clickCount: u8,
+}
+
+char_event :: struct { // character input
+	codepoint: rune,
+	sequence:  [8]u8 `fmt:"s,seqLen"`,
+	seqLen:    u8,
+}
+
+mouse_event :: struct { // mouse move/scroll
+	x:      f32,
+	y:      f32,
+	deltaX: f32,
+	deltaY: f32,
+	mods:   keymod_flags,
+}
+
+move_event :: struct { // window resize / move
+	frame:   rect,
+	content: rect,
+}
+
+event :: struct {
+	//TODO clipboard and path drop
+	window: window,
+	type:   event_type,
+
+	using _: struct #raw_union {
+		key:       key_event,
+		character: char_event,
+		mouse:     mouse_event,
+		move:      move_event,
+		paths:     str8_list,
+	},
+}
+
+file_dialog_kind :: enum c.int {
+	SAVE,
+	OPEN,
+}
+
+file_dialog_flags :: distinct bit_set[file_dialog_flags_enum; u32]
+file_dialog_flags_enum :: enum u32 {
+	FILES              = 0,
+	DIRECTORIES        = 1,
+	MULTIPLE           = 2,
+	CREATE_DIRECTORIES = 3,
+}
+
+file_dialog_desc :: struct {
+	kind:      file_dialog_kind,
+	flags:     file_dialog_flags,
+	title:     str8,
+	okLabel:   str8,
+	startAt:   file,
+	startPath: str8,
+	filters:   str8_list,
+	//... later customization options with checkboxes / radiobuttons
+}
+
+file_dialog_button :: enum c.int {
+	CANCEL = 0,
+	OK,
+}
+
+file_dialog_result :: struct {
+	button:    file_dialog_button,
+	path:      str8,
+	selection: str8_list,
+}
+
+
+
+@(default_calling_convention="c", link_prefix="oc_", link_suffix="_argptr_stub")
+foreign {
+	window_set_title     :: proc(title:  str8) ---
+	window_set_size      :: proc(size:   vec2) ---
+
+	clipboard_set_string :: proc(string: str8) ---
+}
+
+@(default_calling_convention="c", link_prefix="oc_", link_suffix="_argptr_stub")
+foreign {
+	request_quit :: proc() ---
+	scancode_to_keycode :: proc(scanCode: scan_code) -> key_code ---
+}
+
+
+/*NOTE:
+	by convention, functions that take an arena and return a path
+	allocated on that arena allocate 1 more character and null-terminate
+	the string.
+*/
+
+@(default_calling_convention="c", link_prefix="oc_")
+foreign {
+	path_slice_directory :: proc(path: string) -> string ---
+	path_slice_filename  :: proc(path: string) -> string ---
+
+	path_split           :: proc(arena: ^arena, path: string) -> str8_list ---
+	path_join            :: proc(arena: ^arena, elements: str8_list) -> string ---
+	path_append          :: proc(arena: ^arena, parent, relPath: string) -> string ---
+
+	path_is_absolute     :: proc(path: string) -> bool ---
+}
\ No newline at end of file
diff --git a/core/sys/orca/orca.odin b/core/sys/orca/typedefs.odin
index 4c5d886dc..4c5d886dc 100644
--- a/core/sys/orca/orca.odin
+++ b/core/sys/orca/typedefs.odin
diff --git a/core/sys/orca/ui.odin b/core/sys/orca/ui.odin
deleted file mode 100644
index 6b2d93750..000000000
--- a/core/sys/orca/ui.odin
+++ /dev/null
@@ -1,685 +0,0 @@
-package orca
-
-import "core:c"
-
-ui_key :: struct {
-	hash: u64
-}
-
-ui_axis :: enum c.int {
-	X,
-	Y,
-}
-
-ui_align :: enum c.int {
-	START,
-	END,
-	CENTER,
-}
-
-ui_layout_align :: [2]ui_align
-
-ui_layout :: struct {
-	axis: ui_axis,
-	spacing: f32,
-	margin: [2]f32,
-	align: ui_layout_align,
-}
-
-ui_size_kind :: enum c.int {
-	TEXT,
-	PIXELS,
-	CHILDREN,
-	PARENT,
-	PARENT_MINUS_PIXELS,
-}
-
-ui_size :: struct {
-	kind: ui_size_kind,
-	value: f32,
-	relax: f32,
-	minSize: f32,
-}
-
-ui_box_size :: [2]ui_size
-ui_box_floating :: [2]c.bool
-
-//NOTE: flags for axis-dependent properties (e.g. UI_STYLE_FLOAT_X/Y) need to be consecutive bits
-//      in order to play well with axis agnostic functions
-ui_style_mask :: enum u64 {
-	NONE = 0,
-	SIZE_WIDTH = 1 << 1,
-	SIZE_HEIGHT = 1 << 2,
-	LAYOUT_AXIS = 1 << 3,
-	LAYOUT_ALIGN_X = 1 << 4,
-	LAYOUT_ALIGN_Y = 1 << 5,
-	LAYOUT_SPACING = 1 << 6,
-	LAYOUT_MARGIN_X = 1 << 7,
-	LAYOUT_MARGIN_Y = 1 << 8,
-	FLOAT_X = 1 << 9,
-	FLOAT_Y = 1 << 10,
-	COLOR = 1 << 11,
-	BG_COLOR = 1 << 12,
-	BORDER_COLOR = 1 << 13,
-	BORDER_SIZE = 1 << 14,
-	ROUNDNESS = 1 << 15,
-	FONT = 1 << 16,
-	FONT_SIZE = 1 << 17,
-	ANIMATION_TIME = 1 << 18,
-	ANIMATION_MASK = 1 << 19,
-
-	//masks
-	SIZE = SIZE_WIDTH | SIZE_HEIGHT,
-
-	LAYOUT_MARGINS = LAYOUT_MARGIN_X | LAYOUT_MARGIN_Y,
-
-	LAYOUT = LAYOUT_AXIS | LAYOUT_ALIGN_X | LAYOUT_ALIGN_Y | LAYOUT_SPACING | LAYOUT_MARGIN_X | LAYOUT_MARGIN_Y,
-
-	FLOAT = FLOAT_X | FLOAT_Y,
-
-	MASK_INHERITED = COLOR | FONT | FONT_SIZE | ANIMATION_TIME | ANIMATION_MASK,
-}
-
-ui_style :: struct {
-	size: ui_box_size,
-	layout: ui_layout,
-	floating: ui_box_floating,
-	floatTarget: vec2,
-	_color: color,
-	bgColor: color,
-	borderColor: color,
-	font: font,
-	fontSize: f32,
-	borderSize: f32,
-	roundness: f32,
-	animationTime: f32,
-	animationMask: ui_style_mask,
-}
-
-ui_palette :: struct {
-	red0: color,
-	red1: color,
-	red2: color,
-	red3: color,
-	red4: color,
-	red5: color,
-	red6: color,
-	red7: color,
-	red8: color,
-	red9: color,
-	orange0: color,
-	orange1: color,
-	orange2: color,
-	orange3: color,
-	orange4: color,
-	orange5: color,
-	orange6: color,
-	orange7: color,
-	orange8: color,
-	orange9: color,
-	amber0: color,
-	amber1: color,
-	amber2: color,
-	amber3: color,
-	amber4: color,
-	amber5: color,
-	amber6: color,
-	amber7: color,
-	amber8: color,
-	amber9: color,
-	yellow0: color,
-	yellow1: color,
-	yellow2: color,
-	yellow3: color,
-	yellow4: color,
-	yellow5: color,
-	yellow6: color,
-	yellow7: color,
-	yellow8: color,
-	yellow9: color,
-	lime0: color,
-	lime1: color,
-	lime2: color,
-	lime3: color,
-	lime4: color,
-	lime5: color,
-	lime6: color,
-	lime7: color,
-	lime8: color,
-	lime9: color,
-	lightGreen0: color,
-	lightGreen1: color,
-	lightGreen2: color,
-	lightGreen3: color,
-	lightGreen4: color,
-	lightGreen5: color,
-	lightGreen6: color,
-	lightGreen7: color,
-	lightGreen8: color,
-	lightGreen9: color,
-	green0: color,
-	green1: color,
-	green2: color,
-	green3: color,
-	green4: color,
-	green5: color,
-	green6: color,
-	green7: color,
-	green8: color,
-	green9: color,
-	teal0: color,
-	teal1: color,
-	teal2: color,
-	teal3: color,
-	teal4: color,
-	teal5: color,
-	teal6: color,
-	teal7: color,
-	teal8: color,
-	teal9: color,
-	cyan0: color,
-	cyan1: color,
-	cyan2: color,
-	cyan3: color,
-	cyan4: color,
-	cyan5: color,
-	cyan6: color,
-	cyan7: color,
-	cyan8: color,
-	cyan9: color,
-	lightBlue0: color,
-	lightBlue1: color,
-	lightBlue2: color,
-	lightBlue3: color,
-	lightBlue4: color,
-	lightBlue5: color,
-	lightBlue6: color,
-	lightBlue7: color,
-	lightBlue8: color,
-	lightBlue9: color,
-	blue0: color,
-	blue1: color,
-	blue2: color,
-	blue3: color,
-	blue4: color,
-	blue5: color,
-	blue6: color,
-	blue7: color,
-	blue8: color,
-	blue9: color,
-	indigo0: color,
-	indigo1: color,
-	indigo2: color,
-	indigo3: color,
-	indigo4: color,
-	indigo5: color,
-	indigo6: color,
-	indigo7: color,
-	indigo8: color,
-	indigo9: color,
-	violet0: color,
-	violet1: color,
-	violet2: color,
-	violet3: color,
-	violet4: color,
-	violet5: color,
-	violet6: color,
-	violet7: color,
-	violet8: color,
-	violet9: color,
-	purple0: color,
-	purple1: color,
-	purple2: color,
-	purple3: color,
-	purple4: color,
-	purple5: color,
-	purple6: color,
-	purple7: color,
-	purple8: color,
-	purple9: color,
-	pink0: color,
-	pink1: color,
-	pink2: color,
-	pink3: color,
-	pink4: color,
-	pink5: color,
-	pink6: color,
-	pink7: color,
-	pink8: color,
-	pink9: color,
-	grey0: color,
-	grey1: color,
-	grey2: color,
-	grey3: color,
-	grey4: color,
-	grey5: color,
-	grey6: color,
-	grey7: color,
-	grey8: color,
-	grey9: color,
-	black: color,
-	white: color,
-}
-
-// TODO exteern
-// ui_palette: UI_DARK_PALETTE
-// ui_palette: UI_LIGHT_PALETTE
-
-ui_theme :: struct {
-	white: color,
-	primary: color,
-	primaryHover: color,
-	primaryActive: color,
-	border: color,
-	fill0: color,
-	fill1: color,
-	fill2: color,
-	bg0: color,
-	bg1: color,
-	bg2: color,
-	bg3: color,
-	bg4: color,
-	text0: color,
-	text1: color,
-	text2: color,
-	text3: color,
-	sliderThumbBorder: color,
-	elevatedBorder: color,
-
-	roundnessSmall: f32,
-	roundnessMedium: f32,
-	roundnessLarge: f32,
-
-	palette: ^ui_palette,
-}
-
-@export UI_DARK_THEME: ui_theme
-@export UI_LIGHT_THEME: ui_theme
-
-ui_tag :: struct {
-	hash: u64,
-}
-
-ui_selector_kind :: enum c.int {
-	ANY,
-	OWNER,
-	TEXT,
-	TAG,
-	STATUS,
-	KEY,
-}
-
-ui_status :: enum u8 {
-	NONE = 0,
-	HOVER = 1 << 1,
-	HOT = 1 << 2,
-	ACTIVE = 1 << 3,
-	DRAGGING = 1 << 4,
-}
-
-ui_selector_op :: enum c.int {
-	DESCENDANT = 0,
-	AND = 1,
-}
-
-ui_selector :: struct {
-	listElt: list_elt,
-	kind: ui_selector_kind,
-	op: ui_selector_op,
-
-	type: struct #raw_union {
-		text: str8,
-		key: ui_key,
-		tag: ui_tag,
-		status: ui_status,
-	}
-}
-
-ui_pattern :: struct {
-	l: list,
-}
-
-ui_style_rule :: struct {
-	boxElt: list_elt,
-	buildElt: list_elt,
-	tmpElt: list_elt,
-
-	owner: ^ui_box,
-	pattern: ui_pattern,
-	mask: ui_style_mask,
-	style: ^ui_style,
-}
-
-ui_sig :: struct {
-	box: ^ui_box,
-
-	mouse: vec2,
-	delta: vec2,
-	wheel: vec2,
-
-	pressed: c.bool,
-	released: c.bool,
-	clicked: c.bool,
-	doubleClicked: c.bool,
-	tripleClicked: c.bool,
-	rightPressed: c.bool,
-
-	dragging: c.bool,
-	hovering: c.bool,
-
-	pasted: c.bool,
-
-}
-
-ui_box_draw_proc :: proc "c" (box: ^ui_box, data: rawptr)
-
-ui_flags :: enum c.int {
-	NONE = 0,
-	CLICKABLE = (1 << 0),
-	SCROLL_WHEEL_X = (1 << 1),
-	SCROLL_WHEEL_Y = (1 << 2),
-	BLOCK_MOUSE = (1 << 3),
-	HOT_ANIMATION = (1 << 4),
-	ACTIVE_ANIMATION = (1 << 5),
-	//WARN: these two following flags need to be kept as consecutive bits to
-	//      play well with axis-agnostic functions
-	OVERFLOW_ALLOW_X = (1 << 6),
-	OVERFLOW_ALLOW_Y = (1 << 7),
-	CLIP = (1 << 8),
-	DRAW_BACKGROUND = (1 << 9),
-	DRAW_FOREGROUND = (1 << 10),
-	DRAW_BORDER = (1 << 11),
-	DRAW_TEXT = (1 << 12),
-	DRAW_PROC = (1 << 13),
-
-	OVERLAY = (1 << 16),
-}
-
-ui_box :: struct {
-	// hierarchy
-	listElt: list_elt,
-	children: list,
-	parent: ^ui_box,
-
-	overlayElt: list_elt,
-
-	// keying and caching
-	bucketElt: list_elt,
-	key: ui_key,
-	frameCounter: u64,
-
-	// builder-provided info
-	flags: ui_flags,
-	string: str8,
-	tags: list,
-
-	drawProc: ui_box_draw_proc,
-	drawData: rawptr,
-
-	// styling
-	beforeRules: list,
-	afterRules: list,
-
-	//ui_style_tag tag
-	targetStyle: ^ui_style,
-	style: ui_style,
-	z: u32,
-
-	floatPos: vec2,
-	childrenSum: [2]f32,
-	spacing: [2]f32,
-	minSize: [2]f32,
-	rect: rect,
-
-	// signals
-	sig: ^ui_sig,
-
-	// stateful behaviour
-	fresh: c.bool,
-	closed: c.bool,
-	parentClosed: c.bool,
-	dragging: c.bool,
-	hot: c.bool,
-	active: c.bool,
-	scroll: vec2,
-	pressedMouse: vec2,
-
-	// animation data
-	hotTransition: f32,
-	activeTransition: f32,
-}
-
-UI_MAX_INPUT_CHAR_PER_FRAME :: 64
-
-ui_input_text :: struct {
-	count: u8,
-	codePoints: [UI_MAX_INPUT_CHAR_PER_FRAME]utf32,
-}
-
-ui_stack_elt :: struct {
-	parent: ^ui_stack_elt,
-
-	_: struct #raw_union {
-		 box: ^ui_box,
-		 size: ui_size,
-		 clip: rect,
-	}
-}
-
-ui_tag_elt :: struct {
-	listElt: list_elt,
-	tag: ui_tag,
-}
-
-UI_BOX_MAP_BUCKET_COUNT :: 1024
-
-ui_edit_move :: enum c.int {
-	NONE,
-	CHAR,
-	WORD,
-	LINE,
-}
-
-ui_context :: struct {
-	init: c.bool,
-
-	input: input_state,
-
-	frameCounter: u64,
-	frameTime: f64,
-	lastFrameDuration: f64,
-
-	frameArena: arena,
-	boxPool: pool,
-	boxMap: [UI_BOX_MAP_BUCKET_COUNT]list,
-
-	root: ^ui_box,
-	overlay: ^ui_box,
-	overlayList: list,
-	boxStack: ^ui_stack_elt,
-	clipStack: ^ui_stack_elt,
-
-	nextBoxBeforeRules: list,
-	nextBoxAfterRules: list,
-	nextBoxTags: list,
-
-	z: u32,
-	hovered: ^ui_box,
-
-	focus: ^ui_box,
-	editCursor: i32,
-	editMark: i32,
-	editFirstDisplayedChar: i32,
-	editCursorBlinkStart: f64,
-	editSelectionMode: ui_edit_move,
-	editWordSelectionInitialCursor: i32,
-	editWordSelectionInitialMark: i32,
-
-	clipboardRegistered: c.bool,
-
-	theme: ^ui_theme,
-}
-
-ui_text_box_result :: struct {
-	changed: c.bool,
-	accepted: c.bool,
-	text: str8,
-}
-
-ui_select_popup_info :: struct {
-	changed: bool,
-	selectedIndex: int, // -1 if nothing is selected
-	optionCount: int,
-	options: [^]str8,
-	placeholder: str8,
-}
-
-ui_radio_group_info :: struct {
-	changed: bool,
-	selectedIndex: int, // -1 if nothing is selected
-	optionCount: int,
-	options: [^]str8,
-}
-
-//----------------------------------------------------------------
-// Context and frame lifecycle
-//----------------------------------------------------------------
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	ui_init :: proc(ctx: ^ui_context) ---
-	ui_get_context :: proc() -> ^ui_context ---
-	ui_set_context :: proc(ctx: ^ui_context) ---
-
-	ui_process_event :: proc(event: ^event) ---
-	ui_begin_frame :: proc(size: vec2, defaultStyle: ^ui_style, mask: ui_style_mask) ---
-	ui_end_frame :: proc() ---
-	ui_draw :: proc() ---
-}
-
-@(deferred_none=ui_end_frame)
-ui_frame :: proc "c" (size: vec2, defaultStyle: ^ui_style, mask: ui_style_mask) {
-	ui_begin_frame(size, defaultStyle, mask)
-}
-ui_frame_scoped :: ui_frame
-
-//----------------------------------------------------------------
-// Common widget helpers
-//----------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	ui_label :: proc(label: cstring) -> ui_sig ---
-	ui_label_str8 :: proc(label: str8) -> ui_sig ---
-	ui_button :: proc(label: cstring) -> ui_sig ---
-	ui_checkbox :: proc(name: cstring, checked: ^c.bool) -> ui_sig ---
-	ui_slider :: proc(label: cstring, value: ^f32) -> ^ui_box ---
-	ui_scrollbar :: proc(label: cstring, thumbRatio: f32, scrollValue: ^f32) -> ^ui_box ---
-	ui_text_box :: proc(name: cstring, arena: ^arena, text: str8) -> ui_text_box_result ---
-	ui_select_popup :: proc(name: cstring, info: ^ui_select_popup_info) -> ui_select_popup_info ---
-	ui_radio_group :: proc(name: cstring, info: ^ui_radio_group_info) -> ui_radio_group_info ---
-
-	ui_panel_begin :: proc(name: cstring, flags: ui_flags) ---
-	ui_panel_end :: proc() ---
-
-	ui_menu_bar_begin :: proc(label: cstring) ---
-	ui_menu_bar_end :: proc() ---
-
-	ui_menu_begin :: proc(label: cstring) ---
-	ui_menu_end :: proc() ---
-
-	ui_menu_button :: proc(name: cstring) -> ui_sig ---
-
-	ui_tooltip_begin :: proc(name: cstring) -> ui_sig ---
-	ui_tooltip_end :: proc() ---
-}
-
-@(deferred_none=ui_panel_end)
-ui_panel :: proc "c" (name: cstring, flags: ui_flags) {
-	ui_panel_begin(name, flags)
-}
-ui_panel_scoped :: ui_panel
-
-@(deferred_none=ui_menu_bar_end)
-ui_menu_bar :: proc "c" (label: cstring) {
-	ui_menu_bar_begin(label)
-}
-ui_menu_bar_scoped :: ui_menu_bar
-
-@(deferred_none=ui_menu_end)
-ui_menu :: proc "c" (label: cstring) {
-	ui_menu_begin(label)
-}
-ui_menu_scoped :: ui_menu
-
-@(deferred_none=ui_tooltip_end)
-ui_tooltip :: proc "c" (label: cstring) -> ui_sig {
-	return ui_tooltip_begin(label)
-}
-ui_tooltip_scoped :: ui_menu
-
-//-------------------------------------------------------------------------------------
-// Styling
-//-------------------------------------------------------------------------------------
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	ui_style_next :: proc(style: ^ui_style, mask: ui_style_mask) ---
-
-	ui_pattern_push :: proc(arena: ^arena, pattern: ^ui_pattern, selector: ui_selector) ---
-	ui_pattern_all :: proc() -> ui_pattern ---
-	ui_pattern_owner :: proc() -> ui_pattern ---
-
-	ui_style_match_before :: proc(pattern: ui_pattern, style: ^ui_style, mask: ui_style_mask) ---
-	ui_style_match_after :: proc(pattern: ui_pattern, style: ^ui_style, mask: ui_style_mask) ---
-}
-
-//-------------------------------------------------------------------------------------
-// BOX
-//-------------------------------------------------------------------------------------
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	ui_box_make_str8 :: proc(str: str8, flags: ui_flags) -> ^ui_box ---
-	ui_box_begin_str8 :: proc(str: str8, flags: ui_flags) -> ^ui_box ---
-	ui_box_end :: proc() -> ^ui_box ---
-}
-
-@(deferred_none=ui_box_end)
-ui_container :: proc "c" (str: string, flags: ui_flags) -> ^ui_box {
-	return ui_box_begin_str8(str, flags)
-}
-
-@(deferred_none=ui_box_end)
-ui_container_str8 :: proc "c" (str: str8, flags: ui_flags) -> ^ui_box {
-	return ui_box_begin_str8(str, flags)
-}
-
-ui_box_make :: proc "c" (str: string, flags: ui_flags) -> ^ui_box {
-	return ui_box_make_str8(str, flags)
-}
-
-ui_box_begin :: proc "c" (str: string, flags: ui_flags) -> ^ui_box {
-	return ui_box_begin_str8(str, flags)
-}
-
-//-------------------------------------------------------------------------------------
-// BOX
-//-------------------------------------------------------------------------------------
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	ui_tag_make_str8 :: proc(str: str8) -> ui_tag ---
-	ui_tag_box_str8 :: proc(box: ^ui_box, str: str8) ---
-	ui_tag_next_str8 :: proc(str: str8) ---
-}
-
-ui_tag_make :: proc "c" (s: string) -> ui_tag {
-	return ui_tag_make_str8(s)
-}
-
-ui_tag_box :: proc "c" (b: ^ui_box, s: string) {
-	ui_tag_box_str8(b, s)
-}
-
-ui_tag_next :: proc "c" (s: string) {
-	ui_tag_next_str8(s)
-}
diff --git a/core/sys/orca/utf8.odin b/core/sys/orca/utf8.odin
deleted file mode 100644
index 4800fb3fa..000000000
--- a/core/sys/orca/utf8.odin
+++ /dev/null
@@ -1,131 +0,0 @@
-package orca
-
-unicode_range :: struct {
-	firstCodePoint: utf32,
-	count: u32,
-}
-
-UNICODE_BASIC_LATIN :: unicode_range { 0x0000, 127 }
-UNICODE_C1_CONTROLS_AND_LATIN_1_SUPPLEMENT :: unicode_range { 0x0080, 127 }
-UNICODE_LATIN_EXTENDED_A :: unicode_range { 0x0100, 127 }
-UNICODE_LATIN_EXTENDED_B :: unicode_range { 0x0180, 207 }
-UNICODE_IPA_EXTENSIONS :: unicode_range { 0x0250, 95 }
-UNICODE_SPACING_MODIFIER_LETTERS :: unicode_range { 0x02b0, 79 }
-UNICODE_COMBINING_DIACRITICAL_MARKS :: unicode_range { 0x0300, 111 }
-UNICODE_GREEK_COPTIC :: unicode_range { 0x0370, 143 }
-UNICODE_CYRILLIC :: unicode_range { 0x0400, 255 }
-UNICODE_CYRILLIC_SUPPLEMENT :: unicode_range { 0x0500, 47 }
-UNICODE_ARMENIAN :: unicode_range { 0x0530, 95 }
-UNICODE_HEBREW :: unicode_range { 0x0590, 111 }
-UNICODE_ARABIC :: unicode_range { 0x0600, 255 }
-UNICODE_SYRIAC :: unicode_range { 0x0700, 79 }
-UNICODE_THAANA :: unicode_range { 0x0780, 63 }
-UNICODE_DEVANAGARI :: unicode_range { 0x0900, 127 }
-UNICODE_BENGALI_ASSAMESE :: unicode_range { 0x0980, 127 }
-UNICODE_GURMUKHI :: unicode_range { 0x0a00, 127 }
-UNICODE_GUJARATI :: unicode_range { 0x0a80, 127 }
-UNICODE_ORIYA :: unicode_range { 0x0b00, 127 }
-UNICODE_TAMIL :: unicode_range { 0x0b80, 127 }
-UNICODE_TELUGU :: unicode_range { 0x0c00, 127 }
-UNICODE_KANNADA :: unicode_range { 0x0c80, 127 }
-UNICODE_MALAYALAM :: unicode_range { 0x0d00, 255 }
-UNICODE_SINHALA :: unicode_range { 0x0d80, 127 }
-UNICODE_THAI :: unicode_range { 0x0e00, 127 }
-UNICODE_LAO :: unicode_range { 0x0e80, 127 }
-UNICODE_TIBETAN :: unicode_range { 0x0f00, 255 }
-UNICODE_MYANMAR :: unicode_range { 0x1000, 159 }
-UNICODE_GEORGIAN :: unicode_range { 0x10a0, 95 }
-UNICODE_HANGUL_JAMO :: unicode_range { 0x1100, 255 }
-UNICODE_ETHIOPIC :: unicode_range { 0x1200, 383 }
-UNICODE_CHEROKEE :: unicode_range { 0x13a0, 95 }
-UNICODE_UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS :: unicode_range { 0x1400, 639 }
-UNICODE_OGHAM :: unicode_range { 0x1680, 31 }
-UNICODE_RUNIC :: unicode_range { 0x16a0, 95 }
-UNICODE_TAGALOG :: unicode_range { 0x1700, 31 }
-UNICODE_HANUNOO :: unicode_range { 0x1720, 31 }
-UNICODE_BUHID :: unicode_range { 0x1740, 31 }
-UNICODE_TAGBANWA :: unicode_range { 0x1760, 31 }
-UNICODE_KHMER :: unicode_range { 0x1780, 127 }
-UNICODE_MONGOLIAN :: unicode_range { 0x1800, 175 }
-UNICODE_LIMBU :: unicode_range { 0x1900, 79 }
-UNICODE_TAI_LE :: unicode_range { 0x1950, 47 }
-UNICODE_KHMER_SYMBOLS :: unicode_range { 0x19e0, 31 }
-UNICODE_PHONETIC_EXTENSIONS :: unicode_range { 0x1d00, 127 }
-UNICODE_LATIN_EXTENDED_ADDITIONAL :: unicode_range { 0x1e00, 255 }
-UNICODE_GREEK_EXTENDED :: unicode_range { 0x1f00, 255 }
-UNICODE_GENERAL_PUNCTUATION :: unicode_range { 0x2000, 111 }
-UNICODE_SUPERSCRIPTS_AND_SUBSCRIPTS :: unicode_range { 0x2070, 47 }
-UNICODE_CURRENCY_SYMBOLS :: unicode_range { 0x20a0, 47 }
-UNICODE_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS :: unicode_range { 0x20d0, 47 }
-UNICODE_LETTERLIKE_SYMBOLS :: unicode_range { 0x2100, 79 }
-UNICODE_NUMBER_FORMS :: unicode_range { 0x2150, 63 }
-UNICODE_ARROWS :: unicode_range { 0x2190, 111 }
-UNICODE_MATHEMATICAL_OPERATORS :: unicode_range { 0x2200, 255 }
-UNICODE_MISCELLANEOUS_TECHNICAL :: unicode_range { 0x2300, 255 }
-UNICODE_CONTROL_PICTURES :: unicode_range { 0x2400, 63 }
-UNICODE_OPTICAL_CHARACTER_RECOGNITION :: unicode_range { 0x2440, 31 }
-UNICODE_ENCLOSED_ALPHANUMERICS :: unicode_range { 0x2460, 159 }
-UNICODE_BOX_DRAWING :: unicode_range { 0x2500, 127 }
-UNICODE_BLOCK_ELEMENTS :: unicode_range { 0x2580, 31 }
-UNICODE_GEOMETRIC_SHAPES :: unicode_range { 0x25a0, 95 }
-UNICODE_MISCELLANEOUS_SYMBOLS :: unicode_range { 0x2600, 255 }
-UNICODE_DINGBATS :: unicode_range { 0x2700, 191 }
-UNICODE_MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A :: unicode_range { 0x27c0, 47 }
-UNICODE_SUPPLEMENTAL_ARROWS_A :: unicode_range { 0x27f0, 15 }
-UNICODE_BRAILLE_PATTERNS :: unicode_range { 0x2800, 255 }
-UNICODE_SUPPLEMENTAL_ARROWS_B :: unicode_range { 0x2900, 127 }
-UNICODE_MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B :: unicode_range { 0x2980, 127 }
-UNICODE_SUPPLEMENTAL_MATHEMATICAL_OPERATORS :: unicode_range { 0x2a00, 255 }
-UNICODE_MISCELLANEOUS_SYMBOLS_AND_ARROWS :: unicode_range { 0x2b00, 255 }
-UNICODE_CJK_RADICALS_SUPPLEMENT :: unicode_range { 0x2e80, 127 }
-UNICODE_KANGXI_RADICALS :: unicode_range { 0x2f00, 223 }
-UNICODE_IDEOGRAPHIC_DESCRIPTION_CHARACTERS :: unicode_range { 0x2ff0, 15 }
-UNICODE_CJK_SYMBOLS_AND_PUNCTUATION :: unicode_range { 0x3000, 63 }
-UNICODE_HIRAGANA :: unicode_range { 0x3040, 95 }
-UNICODE_KATAKANA :: unicode_range { 0x30a0, 95 }
-UNICODE_BOPOMOFO :: unicode_range { 0x3100, 47 }
-UNICODE_HANGUL_COMPATIBILITY_JAMO :: unicode_range { 0x3130, 95 }
-UNICODE_KANBUN_KUNTEN :: unicode_range { 0x3190, 15 }
-UNICODE_BOPOMOFO_EXTENDED :: unicode_range { 0x31a0, 31 }
-UNICODE_KATAKANA_PHONETIC_EXTENSIONS :: unicode_range { 0x31f0, 15 }
-UNICODE_ENCLOSED_CJK_LETTERS_AND_MONTHS :: unicode_range { 0x3200, 255 }
-UNICODE_CJK_COMPATIBILITY :: unicode_range { 0x3300, 255 }
-UNICODE_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A :: unicode_range { 0x3400, 6591 }
-UNICODE_YIJING_HEXAGRAM_SYMBOLS :: unicode_range { 0x4dc0, 63 }
-UNICODE_CJK_UNIFIED_IDEOGRAPHS :: unicode_range { 0x4e00, 20911 }
-UNICODE_YI_SYLLABLES :: unicode_range { 0xa000, 1167 }
-UNICODE_YI_RADICALS :: unicode_range { 0xa490, 63 }
-UNICODE_HANGUL_SYLLABLES :: unicode_range { 0xac00, 11183 }
-UNICODE_HIGH_SURROGATE_AREA :: unicode_range { 0xd800, 1023 }
-UNICODE_LOW_SURROGATE_AREA :: unicode_range { 0xdc00, 1023 }
-UNICODE_PRIVATE_USE_AREA :: unicode_range { 0xe000, 6399 }
-UNICODE_CJK_COMPATIBILITY_IDEOGRAPHS :: unicode_range { 0xf900, 511 }
-UNICODE_ALPHABETIC_PRESENTATION_FORMS :: unicode_range { 0xfb00, 79 }
-UNICODE_ARABIC_PRESENTATION_FORMS_A :: unicode_range { 0xfb50, 687 }
-UNICODE_VARIATION_SELECTORS :: unicode_range { 0xfe00, 15 }
-UNICODE_COMBINING_HALF_MARKS :: unicode_range { 0xfe20, 15 }
-UNICODE_CJK_COMPATIBILITY_FORMS :: unicode_range { 0xfe30, 31 }
-UNICODE_SMALL_FORM_VARIANTS :: unicode_range { 0xfe50, 31 }
-UNICODE_ARABIC_PRESENTATION_FORMS_B :: unicode_range { 0xfe70, 143 }
-UNICODE_HALFWIDTH_AND_FULLWIDTH_FORMS :: unicode_range { 0xff00, 239 }
-UNICODE_SPECIALS :: unicode_range { 0xfff0, 15 }
-UNICODE_LINEAR_B_SYLLABARY :: unicode_range { 0x10000, 127 }
-UNICODE_LINEAR_B_IDEOGRAMS :: unicode_range { 0x10080, 127 }
-UNICODE_AEGEAN_NUMBERS :: unicode_range { 0x10100, 63 }
-UNICODE_OLD_ITALIC :: unicode_range { 0x10300, 47 }
-UNICODE_GOTHIC :: unicode_range { 0x10330, 31 }
-UNICODE_UGARITIC :: unicode_range { 0x10380, 31 }
-UNICODE_DESERET :: unicode_range { 0x10400, 79 }
-UNICODE_SHAVIAN :: unicode_range { 0x10450, 47 }
-UNICODE_OSMANYA :: unicode_range { 0x10480, 47 }
-UNICODE_CYPRIOT_SYLLABARY :: unicode_range { 0x10800, 63 }
-UNICODE_BYZANTINE_MUSICAL_SYMBOLS :: unicode_range { 0x1d000, 255 }
-UNICODE_MUSICAL_SYMBOLS :: unicode_range { 0x1d100, 255 }
-UNICODE_TAI_XUAN_JING_SYMBOLS :: unicode_range { 0x1d300, 95 }
-UNICODE_MATHEMATICAL_ALPHANUMERIC_SYMBOLS :: unicode_range { 0x1d400, 1023 }
-UNICODE_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B :: unicode_range { 0x20000, 42719 }
-UNICODE_CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT :: unicode_range { 0x2f800, 543 }
-UNICODE_TAGS :: unicode_range { 0xe0000, 127 }
-UNICODE_VARIATION_SELECTORS_SUPPLEMENT :: unicode_range { 0xe0100, 239 }
-UNICODE_SUPPLEMENTARY_PRIVATE_USE_AREA_A :: unicode_range { 0xf0000, 65533 }
-UNICODE_SUPPLEMENTARY_PRIVATE_USE_AREA_B  :: unicode_range { 0x100000, 65533 }
diff --git a/core/sys/orca/util.odin b/core/sys/orca/util.odin
deleted file mode 100644
index c1ec9a765..000000000
--- a/core/sys/orca/util.odin
+++ /dev/null
@@ -1,266 +0,0 @@
-package orca
-
-import "core:c"
-import "core:fmt"
-import "core:runtime"
-import "core:intrinsics"
-
-//----------------------------------------------------------------
-// Arenas
-//----------------------------------------------------------------
-
-mem_reserve_proc :: proc "c" (ctx: ^base_allocator, size: u64)
-mem_modify_proc :: proc "c" (ctx: ^base_allocator, ptr: rawptr, size: u64) 
-
-base_allocator :: struct {
-	reserve: mem_reserve_proc,
-	commit: mem_modify_proc,
-	decommit: mem_modify_proc,
-	release: mem_modify_proc,
-}
-
-arena_chunk :: struct {
-	listElt: list_elt,
-	ptr: [^]byte,
-	offset: u64,
-	committed: u64,
-	cap: u64,
-}
-
-arena :: struct {
-	base: ^base_allocator,
-	chunks: list,
-	currentChunk: ^arena_chunk,
-}
-
-arena_scope :: struct {
-	arena: ^arena,
-	chunk: ^arena_chunk,
-	offset: u64,
-}
-
-arena_options :: struct {
-	base: ^base_allocator,
-	reserve: u64,
-}
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	arena_init :: proc(arena: ^arena) ---
-	arena_init_with_options :: proc(arena: ^arena, options: ^arena_options) ---
-	arena_cleanup :: proc(arena: ^arena) ---
-
-	arena_push :: proc(arena: ^arena, size: u64) -> rawptr ---
-	arena_clear :: proc(arena: ^arena) ---
-
-	arena_scope_begin :: proc(arena: ^arena) -> arena_scope ---
-	arena_scope_end :: proc(scope: arena_scope) ---
-
-	scratch_begin :: proc() -> arena_scope ---
-	scratch_begin_next :: proc(used: ^arena) -> arena_scope ---
-}
-
-arena_push_type :: proc "c" (arena: ^arena, $T: typeid) -> ^T {
-	return cast(^T) arena_push(arena, size_of(T))
-}
-
-arena_push_array :: proc "c" (arena: ^arena, $T: typeid, count: int) -> []T {
-	return ([^]T)(arena_push(arena, size_of(T)))[:count]
-}
-
-scratch_end :: arena_scope_end
-
-//----------------------------------------------------------------
-// Pool
-//----------------------------------------------------------------
-
-pool :: struct {
-	arena: arena,
-	freeList: list,
-	blockSize: u64,
-}
-
-pool_options :: struct {
-	base: ^base_allocator,
-	reserve: u64,
-}
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	pool_init :: proc(pool: ^pool, blockSize: u64) ---
-	pool_init_with_options :: proc(pool: ^pool, blockSize: u64, options: ^pool_options) ---
-	pool_cleanup :: proc(pool: ^pool) ---
-
-	pool_alloc :: proc(pool: ^pool) -> rawptr ---
-	pool_recycle :: proc(pool: ^pool, ptr: rawptr) ---
-	pool_clear :: proc(pool: ^pool) ---
-}
-
-pool_alloc_type :: proc "c" (arena: ^arena, $T: typeid) -> ^T {
-	return cast(^T) pool_alloc(arena)
-}
-
-// TODO support list macros?
-// #define list_entry :: proc(ptr, type, member)
-// #define list_next_entry :: proc(list, elt, type, member)
-// #define list_prev_entry :: proc(list, elt, type, member)
-// #define list_first_entry :: proc(list, type, member)
-// #define list_last_entry :: proc(list, type, member)
-// #define list_pop_entry :: proc(list, type, member)
-
-// @(default_calling_convention="c", link_prefix="oc_")
-// foreign {
-// 	list_init :: proc(list: ^list) ---
-// 	list_empty :: proc(list: ^list) -> c.bool ---
-
-// 	list_begin :: proc(list: ^list) -> ^list_elt ---
-// 	list_end :: proc(list: ^list) -> ^list_elt ---
-// 	list_last :: proc(list: ^list) -> ^list_elt ---
-
-// 	list_insert :: proc(list: ^list, afterElt: ^list_elt, elt: ^list_elt) ---
-// 	list_insert_before :: proc(list: ^list, beforeElt: ^list_elt, elt: ^list_elt) ---
-// 	list_remove :: proc(list: ^list, elt: ^list_elt) ---
-// 	list_push :: proc(list: ^list, elt: ^list_elt) ---
-// 	list_pop :: proc(list: ^list) -> ^list_elt ---
-// 	list_push_back :: proc(list: ^list, elt: ^list_elt) ---
-// 	list_pop_back :: proc(list: ^list) -> ^list_elt ---
-// }
-
-//------------------------------------------------------------------------------------------
-// for iterators
-//------------------------------------------------------------------------------------------
-
-List_Iterator :: struct($T: typeid) {
-	iterate: ^list,
-	curr: ^list_elt,
-	index: int,
-	offset: uintptr,
-}
-
-// NOTE(Skytrias): intrusive list iterator
-list_iter_init :: proc "c" (iterate: ^list, $T: typeid, $field_name: string) -> (res: List_Iterator(T))
-	where intrinsics.type_has_field(T, field_name),
-	      intrinsics.type_field_type(T, field_name) == list_elt {
-	res.iterate = iterate
-	res.curr = list_begin(iterate)
-	res.offset = offset_of_by_string(T, field_name)
-	return
-}
-
-list_iterate :: proc "c" (iter: ^List_Iterator($T)) -> (ptr: ^T, ok: bool) {
-	node := iter.curr
-	if node == nil {
-		return nil, false
-	}
-	iter.index += 1
-	iter.curr = node.next
-	return (^T)(uintptr(node) - iter.offset), true
-}
-
-//----------------------------------------------------------------
-// Strings / string lists / path strings
-//----------------------------------------------------------------
-
-str8 :: string
-str32 :: []rune
-
-str8_list :: struct {
-	list: list,
-	eltCount: u64,
-	len: u64,
-}
-
-str8_elt :: struct {
-	str: str8,
-	listElt: list_elt,
-}
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	str8_push_buffer :: proc(arena: ^arena, len: u64, buffer: [^]c.char) -> str8 ---
-	str8_push_cstring :: proc(arena: ^arena, str: cstring) -> str8 ---
-	str8_push_copy :: proc(arena: ^arena, s: str8) -> str8 ---
-	str8_push_slice :: proc(arena: ^arena, s: str8, start: u64, end: u64) -> str8 ---
-	
-	// TODO get rid of these or wrap them
-	str8_pushfv :: proc(arena: ^arena, format: cstring, args: c.va_list) -> str8 ---
-	str8_pushf :: proc(arena: ^arena, format: cstring, #c_vararg args: ..any) -> str8 ---
-
-	str8_to_cstring :: proc(arena: ^arena, string: str8) -> cstring ---
-
-	str8_list_push :: proc(arena: ^arena, list: ^str8_list, str: str8) ---
-	str8_list_pushf :: proc(arena: ^arena, list: ^str8_list, format: cstring, #c_vararg args: ..any) ---
-
-	str8_list_collate :: proc(arena: ^arena, list: str8_list, prefix: str8, separator: str8, postfix: str8) -> str8 ---
-	str8_list_join :: proc(arena: ^arena, list: str8_list) -> str8 ---
-	str8_split :: proc(arena: ^arena, str: str8, separators: str8_list) -> str8_list ---
-
-	path_slice_directory :: proc(path: str8) -> str8 ---
-	path_slice_filename :: proc(path: str8) -> str8 ---
-	path_split :: proc(arena: ^arena, path: str8) -> str8_list ---
-	path_join :: proc(arena: ^arena, elements: str8_list) -> str8 ---
-	path_append :: proc(arena: ^arena, parent: str8, relPath: str8) -> str8 ---
-	path_is_absolute :: proc(path: str8) -> bool ---
-}
-
-//----------------------------------------------------------------
-// Logging
-//----------------------------------------------------------------
-
-// TODO proper odin formatted strings
-
-log_level :: enum c.int {
-	ERROR,
-	WARNING,
-	INFO,
-}
-
-@(default_calling_convention="c", link_prefix="oc_")
-foreign {
-	bridge_log :: proc(
-		level:       log_level,
-		functionLen: c.int,
-		function:    [^]byte,
-		fileLen:     c.int,
-		file:        [^]byte,
-		line:        c.int,
-		msgLen:      c.int,
-		msg:         [^]byte,
-	) ---
-}
-
-@(private)
-log_position :: proc "contextless" (loc: runtime.Source_Code_Location) -> (functionLen: c.int, function: [^]byte,
-                                                                           fileLen: c.int, file: [^]byte,
-                                                                           line: c.int) {
-	functionLen = c.int(len(loc.procedure))
-	function = raw_data(loc.procedure)
-
-	fileLen = c.int(len(loc.file_path))
-	file = raw_data(loc.file_path)
-
-	line = c.int(loc.line)
-	return
-}
-
-log_ext :: proc "contextless" (level: log_level, format: string, args: ..any, loc := #caller_location) {
-	@(thread_local) buffer: [256]byte
-
-	context = runtime.default_context()
-
-	s := fmt.bprintf(buffer[:], format, ..args)
-
-	bridge_log(level, log_position(loc), c.int(len(s)), raw_data(s))
-}
-
-log_info :: proc "contextless" (format: string, args: ..any, loc := #caller_location) {
-	log_ext(.INFO, format, ..args, loc=loc)
-}
-
-log_warning :: proc "contextless" (format: string, args: ..any, loc := #caller_location) {
-	log_ext(.WARNING, format, ..args, loc=loc)
-}
-
-log_error :: proc "contextless" (format: string, args: ..any, loc := #caller_location) {
-	log_ext(.ERROR, format, ..args, loc=loc)
-}