feat: finish ghostty pane backend integration

59 files changed, 3580 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/pkg/macos/animation.zig b/vendor/libghostty-vt/pkg/macos/animation.zig
new file mode 100644
index 00000000..247f9760
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/animation.zig
@@ -0,0 +1,10 @@
+pub const c = @import("animation/c.zig").c;
+
+/// https://developer.apple.com/documentation/quartzcore/calayer/contents_gravity_values?language=objc
+pub extern "c" const kCAGravityTopLeft: *anyopaque;
+pub extern "c" const kCAGravityBottomLeft: *anyopaque;
+pub extern "c" const kCAGravityCenter: *anyopaque;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/animation/c.zig b/vendor/libghostty-vt/pkg/macos/animation/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/animation/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/build.zig b/vendor/libghostty-vt/pkg/macos/build.zig
new file mode 100644
index 00000000..0525e481
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/build.zig
@@ -0,0 +1,82 @@
+const std = @import("std");
+const builtin = @import("builtin");
+const apple_sdk = @import("apple_sdk");
+
+pub fn build(b: *std.Build) !void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const module = b.addModule("macos", .{
+        .root_source_file = b.path("main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const lib = b.addLibrary(.{
+        .name = "macos",
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+        }),
+        .linkage = .static,
+    });
+
+    lib.addCSourceFile(.{
+        .file = b.path("os/zig_macos.c"),
+        .flags = &.{"-std=c99"},
+    });
+    lib.addCSourceFile(.{
+        .file = b.path("text/ext.c"),
+    });
+    lib.linkFramework("CoreFoundation");
+    lib.linkFramework("CoreGraphics");
+    lib.linkFramework("CoreText");
+    lib.linkFramework("CoreVideo");
+    lib.linkFramework("QuartzCore");
+    lib.linkFramework("IOSurface");
+    if (target.result.os.tag == .macos) {
+        lib.linkFramework("Carbon");
+        module.linkFramework("Carbon", .{});
+    }
+
+    if (target.result.os.tag.isDarwin()) {
+        module.linkFramework("CoreFoundation", .{});
+        module.linkFramework("CoreGraphics", .{});
+        module.linkFramework("CoreText", .{});
+        module.linkFramework("CoreVideo", .{});
+        module.linkFramework("QuartzCore", .{});
+        module.linkFramework("IOSurface", .{});
+
+        try apple_sdk.addPaths(b, lib);
+    }
+    b.installArtifact(lib);
+
+    {
+        const test_exe = b.addTest(.{
+            .name = "test",
+            .root_module = b.createModule(.{
+                .root_source_file = b.path("main.zig"),
+                .target = target,
+                .optimize = optimize,
+            }),
+        });
+        if (target.result.os.tag.isDarwin()) {
+            try apple_sdk.addPaths(b, test_exe);
+        }
+        test_exe.linkLibrary(lib);
+
+        var it = module.import_table.iterator();
+        while (it.next()) |entry| {
+            test_exe.root_module.addImport(
+                entry.key_ptr.*,
+                entry.value_ptr.*,
+            );
+        }
+
+        b.installArtifact(test_exe);
+
+        const tests_run = b.addRunArtifact(test_exe);
+        const test_step = b.step("test", "Run tests");
+        test_step.dependOn(&tests_run.step);
+    }
+}
diff --git a/vendor/libghostty-vt/pkg/macos/build.zig.zon b/vendor/libghostty-vt/pkg/macos/build.zig.zon
new file mode 100644
index 00000000..4c22ad7c
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/build.zig.zon
@@ -0,0 +1,9 @@
+.{
+    .name = .macos,
+    .version = "0.1.0",
+    .fingerprint = 0x45e2f6107d5b2b2c,
+    .paths = .{""},
+    .dependencies = .{
+        .apple_sdk = .{ .path = "../apple-sdk" },
+    },
+}
diff --git a/vendor/libghostty-vt/pkg/macos/carbon.zig b/vendor/libghostty-vt/pkg/macos/carbon.zig
new file mode 100644
index 00000000..8eafaffe
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/carbon.zig
@@ -0,0 +1,5 @@
+pub const c = @import("carbon/c.zig").c;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/carbon/c.zig b/vendor/libghostty-vt/pkg/macos/carbon/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/carbon/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/dispatch.zig b/vendor/libghostty-vt/pkg/macos/dispatch.zig
new file mode 100644
index 00000000..3add9c0e
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/dispatch.zig
@@ -0,0 +1,18 @@
+pub const c = @import("dispatch/c.zig").c;
+pub const data = @import("dispatch/data.zig");
+pub const queue = @import("dispatch/queue.zig");
+pub const Data = data.Data;
+
+pub extern "c" fn dispatch_sync(
+    queue: *anyopaque,
+    block: *anyopaque,
+) void;
+
+pub extern "c" fn dispatch_async(
+    queue: *anyopaque,
+    block: *anyopaque,
+) void;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/dispatch/c.zig b/vendor/libghostty-vt/pkg/macos/dispatch/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/dispatch/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/dispatch/data.zig b/vendor/libghostty-vt/pkg/macos/dispatch/data.zig
new file mode 100644
index 00000000..28df24b7
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/dispatch/data.zig
@@ -0,0 +1,31 @@
+const std = @import("std");
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const Data = opaque {
+    pub const DESTRUCTOR_DEFAULT = c.DISPATCH_DATA_DESTRUCTOR_DEFAULT;
+
+    pub fn create(
+        data: []const u8,
+        queue: ?*anyopaque,
+        destructor: ?*anyopaque,
+    ) !*Data {
+        return dispatch_data_create(
+            data.ptr,
+            data.len,
+            queue,
+            destructor,
+        ) orelse return error.OutOfMemory;
+    }
+
+    pub fn release(data: *Data) void {
+        foundation.c.CFRelease(data);
+    }
+};
+
+extern "c" fn dispatch_data_create(
+    data: [*]const u8,
+    len: usize,
+    queue: ?*anyopaque,
+    destructor: ?*anyopaque,
+) ?*Data;
diff --git a/vendor/libghostty-vt/pkg/macos/dispatch/queue.zig b/vendor/libghostty-vt/pkg/macos/dispatch/queue.zig
new file mode 100644
index 00000000..cb2ca01c
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/dispatch/queue.zig
@@ -0,0 +1,8 @@
+const std = @import("std");
+const c = @import("c.zig").c;
+
+pub const Queue = *anyopaque; // dispatch_queue_t
+
+pub fn getMain() Queue {
+    return c.dispatch_get_main_queue().?;
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation.zig b/vendor/libghostty-vt/pkg/macos/foundation.zig
new file mode 100644
index 00000000..d4f63409
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation.zig
@@ -0,0 +1,37 @@
+const array = @import("foundation/array.zig");
+const attributed_string = @import("foundation/attributed_string.zig");
+const base = @import("foundation/base.zig");
+const character_set = @import("foundation/character_set.zig");
+const data = @import("foundation/data.zig");
+const dictionary = @import("foundation/dictionary.zig");
+const number = @import("foundation/number.zig");
+const string = @import("foundation/string.zig");
+const typepkg = @import("foundation/type.zig");
+const url = @import("foundation/url.zig");
+
+pub const c = @import("foundation/c.zig").c;
+pub const Array = array.Array;
+pub const MutableArray = array.MutableArray;
+pub const AttributedString = attributed_string.AttributedString;
+pub const MutableAttributedString = attributed_string.MutableAttributedString;
+pub const ComparisonResult = base.ComparisonResult;
+pub const Range = base.Range;
+pub const FourCharCode = base.FourCharCode;
+pub const CharacterSet = character_set.CharacterSet;
+pub const Data = data.Data;
+pub const Dictionary = dictionary.Dictionary;
+pub const MutableDictionary = dictionary.MutableDictionary;
+pub const Number = number.Number;
+pub const String = string.String;
+pub const MutableString = string.MutableString;
+pub const StringComparison = string.StringComparison;
+pub const StringEncoding = string.StringEncoding;
+pub const stringGetSurrogatePairForLongCharacter = string.stringGetSurrogatePairForLongCharacter;
+pub const URL = url.URL;
+pub const URLPathStyle = url.URLPathStyle;
+pub const CFRelease = typepkg.CFRelease;
+pub const CFRetain = typepkg.CFRetain;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/array.zig b/vendor/libghostty-vt/pkg/macos/foundation/array.zig
new file mode 100644
index 00000000..7b580eb0
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/array.zig
@@ -0,0 +1,176 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const base = @import("base.zig");
+const c = @import("c.zig").c;
+const cftype = @import("type.zig");
+const ComparisonResult = base.ComparisonResult;
+const Range = base.Range;
+
+pub const Array = opaque {
+    pub fn create(comptime T: type, values: []*const T) Allocator.Error!*Array {
+        return CFArrayCreate(
+            null,
+            @ptrCast(values.ptr),
+            @intCast(values.len),
+            null,
+        ) orelse error.OutOfMemory;
+    }
+
+    pub fn release(self: *Array) void {
+        cftype.CFRelease(self);
+    }
+
+    pub fn getCount(self: *Array) usize {
+        return CFArrayGetCount(self);
+    }
+
+    /// Note the return type is actually a `*const T` but we strip the
+    /// constness so that further API calls work correctly. The Foundation
+    /// API doesn't properly mark things const/non-const.
+    pub fn getValueAtIndex(self: *Array, comptime T: type, idx: usize) *T {
+        return @ptrCast(@alignCast(CFArrayGetValueAtIndex(self, idx)));
+    }
+
+    pub extern "c" fn CFArrayCreate(
+        allocator: ?*anyopaque,
+        values: [*]*const anyopaque,
+        num_values: usize,
+        callbacks: ?*const anyopaque,
+    ) ?*Array;
+    pub extern "c" fn CFArrayGetCount(*Array) usize;
+    pub extern "c" fn CFArrayGetValueAtIndex(*Array, usize) *anyopaque;
+    extern "c" var kCFTypeArrayCallBacks: anyopaque;
+};
+
+pub const MutableArray = opaque {
+    pub fn create() Allocator.Error!*MutableArray {
+        return CFArrayCreateMutable(
+            null,
+            0,
+            &c.kCFTypeArrayCallBacks,
+        ) orelse error.OutOfMemory;
+    }
+
+    pub fn createCopy(array: *Array) Allocator.Error!*MutableArray {
+        return CFArrayCreateMutableCopy(
+            null,
+            0,
+            array,
+        ) orelse error.OutOfMemory;
+    }
+
+    pub fn release(self: *MutableArray) void {
+        cftype.CFRelease(self);
+    }
+
+    pub fn appendValue(
+        self: *MutableArray,
+        comptime Elem: type,
+        value: *const Elem,
+    ) void {
+        CFArrayAppendValue(self, @ptrCast(@constCast(value)));
+    }
+
+    pub fn removeValue(self: *MutableArray, idx: usize) void {
+        CFArrayRemoveValueAtIndex(self, idx);
+    }
+
+    pub fn sortValues(
+        self: *MutableArray,
+        comptime Elem: type,
+        comptime Context: type,
+        context: ?*Context,
+        comptime comparator: ?*const fn (
+            a: *const Elem,
+            b: *const Elem,
+            context: ?*Context,
+        ) callconv(.c) ComparisonResult,
+    ) void {
+        CFArraySortValues(
+            self,
+            Range.init(0, Array.CFArrayGetCount(@ptrCast(self))),
+            comparator,
+            context,
+        );
+    }
+
+    extern "c" fn CFArrayCreateMutable(
+        allocator: ?*anyopaque,
+        capacity: usize,
+        callbacks: ?*const anyopaque,
+    ) ?*MutableArray;
+    extern "c" fn CFArrayCreateMutableCopy(
+        allocator: ?*anyopaque,
+        capacity: usize,
+        array: *Array,
+    ) ?*MutableArray;
+    extern "c" fn CFArrayAppendValue(
+        *MutableArray,
+        *anyopaque,
+    ) void;
+    extern "c" fn CFArrayRemoveValueAtIndex(
+        *MutableArray,
+        usize,
+    ) void;
+    extern "c" fn CFArraySortValues(
+        array: *MutableArray,
+        range: Range,
+        comparator: ?*const anyopaque,
+        context: ?*anyopaque,
+    ) void;
+};
+
+test "array" {
+    const testing = std.testing;
+
+    const str = "hello";
+    var values = [_]*const u8{ &str[0], &str[1] };
+    const arr = try Array.create(u8, &values);
+    defer arr.release();
+
+    try testing.expectEqual(@as(usize, 2), arr.getCount());
+
+    {
+        const ch = arr.getValueAtIndex(u8, 0);
+        try testing.expectEqual(@as(u8, 'h'), ch.*);
+    }
+
+    // Can make it mutable
+    var mut = try MutableArray.createCopy(arr);
+    defer mut.release();
+}
+
+test "array sorting" {
+    const testing = std.testing;
+
+    const str = "hello";
+    var values = [_]*const u8{ &str[0], &str[1] };
+    const arr = try Array.create(u8, &values);
+    defer arr.release();
+    const mut = try MutableArray.createCopy(arr);
+    defer mut.release();
+
+    mut.sortValues(
+        u8,
+        void,
+        null,
+        struct {
+            fn compare(a: *const u8, b: *const u8, _: ?*void) callconv(.c) ComparisonResult {
+                if (a.* > b.*) return .greater;
+                if (a.* == b.*) return .equal;
+                return .less;
+            }
+        }.compare,
+    );
+
+    {
+        const mutarr: *Array = @ptrCast(mut);
+        const ch = mutarr.getValueAtIndex(u8, 0);
+        try testing.expectEqual(@as(u8, 'e'), ch.*);
+    }
+    {
+        const mutarr: *Array = @ptrCast(mut);
+        const ch = mutarr.getValueAtIndex(u8, 1);
+        try testing.expectEqual(@as(u8, 'h'), ch.*);
+    }
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/attributed_string.zig b/vendor/libghostty-vt/pkg/macos/foundation/attributed_string.zig
new file mode 100644
index 00000000..c7f27d7d
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/attributed_string.zig
@@ -0,0 +1,103 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const AttributedString = opaque {
+    pub fn create(
+        str: *foundation.String,
+        attributes: *foundation.Dictionary,
+    ) Allocator.Error!*AttributedString {
+        return @ptrCast(@constCast(c.CFAttributedStringCreate(
+            null,
+            @ptrCast(str),
+            @ptrCast(attributes),
+        ) orelse return Allocator.Error.OutOfMemory));
+    }
+
+    pub fn release(self: *AttributedString) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn getLength(self: *AttributedString) usize {
+        return @intCast(c.CFAttributedStringGetLength(@ptrCast(self)));
+    }
+
+    pub fn getString(self: *AttributedString) *foundation.String {
+        return @ptrFromInt(@intFromPtr(
+            c.CFAttributedStringGetString(@ptrCast(self)),
+        ));
+    }
+};
+
+pub const MutableAttributedString = opaque {
+    pub fn create(cap: usize) Allocator.Error!*MutableAttributedString {
+        return @as(
+            ?*MutableAttributedString,
+            @ptrFromInt(@intFromPtr(c.CFAttributedStringCreateMutable(
+                null,
+                @intCast(cap),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *MutableAttributedString) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn replaceString(
+        self: *MutableAttributedString,
+        range: foundation.Range,
+        replacement: *foundation.String,
+    ) void {
+        c.CFAttributedStringReplaceString(
+            @ptrCast(self),
+            @bitCast(range),
+            @ptrCast(replacement),
+        );
+    }
+
+    pub fn setAttribute(
+        self: *MutableAttributedString,
+        range: foundation.Range,
+        key: anytype,
+        value: ?*anyopaque,
+    ) void {
+        const T = @TypeOf(key);
+        const info = @typeInfo(T);
+        const Key = if (info != .pointer) T else info.pointer.child;
+        const key_arg = if (@hasDecl(Key, "key"))
+            key.key()
+        else
+            key;
+
+        c.CFAttributedStringSetAttribute(
+            @ptrCast(self),
+            @bitCast(range),
+            @ptrCast(key_arg),
+            value,
+        );
+    }
+
+    pub fn getLength(self: *MutableAttributedString) usize {
+        return @intCast(c.CFAttributedStringGetLength(@ptrCast(self)));
+    }
+};
+
+test "mutable attributed string" {
+    //const testing = std.testing;
+
+    const str = try MutableAttributedString.create(0);
+    defer str.release();
+
+    {
+        const rep = try foundation.String.createWithBytes("hello", .utf8, false);
+        defer rep.release();
+        str.replaceString(foundation.Range.init(0, 0), rep);
+    }
+
+    str.setAttribute(foundation.Range.init(0, 0), text.FontAttribute.url, null);
+    str.setAttribute(foundation.Range.init(0, 0), text.FontAttribute.name.key(), null);
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/base.zig b/vendor/libghostty-vt/pkg/macos/foundation/base.zig
new file mode 100644
index 00000000..b926523f
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/base.zig
@@ -0,0 +1,35 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const c = @import("c.zig").c;
+
+pub const ComparisonResult = enum(c_int) {
+    less = -1,
+    equal = 0,
+    greater = 1,
+};
+
+pub const Range = extern struct {
+    location: c.CFIndex,
+    length: c.CFIndex,
+
+    pub fn init(loc: usize, len: usize) Range {
+        return @bitCast(c.CFRangeMake(@intCast(loc), @intCast(len)));
+    }
+};
+
+pub const FourCharCode = packed struct(u32) {
+    d: u8,
+    c: u8,
+    b: u8,
+    a: u8,
+
+    pub fn init(v: *const [4]u8) FourCharCode {
+        return .{ .a = v[0], .b = v[1], .c = v[2], .d = v[3] };
+    }
+
+    /// Converts the ID to a string. The return value is only valid
+    /// for the lifetime of the self pointer.
+    pub fn str(self: FourCharCode) [4]u8 {
+        return .{ self.a, self.b, self.c, self.d };
+    }
+};
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/c.zig b/vendor/libghostty-vt/pkg/macos/foundation/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/character_set.zig b/vendor/libghostty-vt/pkg/macos/foundation/character_set.zig
new file mode 100644
index 00000000..d80ca45d
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/character_set.zig
@@ -0,0 +1,49 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const CharacterSet = opaque {
+    pub fn createWithCharactersInString(
+        str: *foundation.String,
+    ) Allocator.Error!*CharacterSet {
+        return @as(?*CharacterSet, @ptrFromInt(@intFromPtr(c.CFCharacterSetCreateWithCharactersInString(
+            null,
+            @ptrCast(str),
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createWithCharactersInRange(
+        range: foundation.Range,
+    ) Allocator.Error!*CharacterSet {
+        return @as(?*CharacterSet, @ptrFromInt(@intFromPtr(c.CFCharacterSetCreateWithCharactersInRange(
+            null,
+            @bitCast(range),
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *CharacterSet) void {
+        c.CFRelease(self);
+    }
+};
+
+test "character set" {
+    //const testing = std.testing;
+
+    const str = try foundation.String.createWithBytes("hello world", .ascii, false);
+    defer str.release();
+
+    const cs = try CharacterSet.createWithCharactersInString(str);
+    defer cs.release();
+}
+
+test "character set range" {
+    //const testing = std.testing;
+
+    const cs = try CharacterSet.createWithCharactersInRange(.{
+        .location = 'A',
+        .length = 1,
+    });
+    defer cs.release();
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/data.zig b/vendor/libghostty-vt/pkg/macos/foundation/data.zig
new file mode 100644
index 00000000..c06da65b
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/data.zig
@@ -0,0 +1,38 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const Data = opaque {
+    pub fn createWithBytesNoCopy(data: []const u8) Allocator.Error!*Data {
+        return @as(
+            ?*Data,
+            @ptrFromInt(@intFromPtr(c.CFDataCreateWithBytesNoCopy(
+                null,
+                data.ptr,
+                @intCast(data.len),
+                c.kCFAllocatorNull,
+            ))),
+        ) orelse error.OutOfMemory;
+    }
+
+    pub fn release(self: *Data) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn getPointer(self: *Data) [*]const u8 {
+        return @ptrCast(c.CFDataGetBytePtr(@ptrCast(self)));
+    }
+
+    pub fn getLength(self: *Data) usize {
+        return @intCast(c.CFDataGetLength(@ptrCast(self)));
+    }
+};
+
+test {
+    //const testing = std.testing;
+
+    const raw = "hello world";
+    const data = try Data.createWithBytesNoCopy(raw);
+    defer data.release();
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/dictionary.zig b/vendor/libghostty-vt/pkg/macos/foundation/dictionary.zig
new file mode 100644
index 00000000..a529442a
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/dictionary.zig
@@ -0,0 +1,125 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const Dictionary = opaque {
+    pub fn create(
+        keys: ?[]const ?*const anyopaque,
+        values: ?[]const ?*const anyopaque,
+    ) Allocator.Error!*Dictionary {
+        if (keys != null or values != null) {
+            assert(keys != null);
+            assert(values != null);
+            assert(keys.?.len == values.?.len);
+        }
+
+        return @as(?*Dictionary, @ptrFromInt(@intFromPtr(c.CFDictionaryCreate(
+            null,
+            @ptrCast(@constCast(if (keys) |slice| slice.ptr else null)),
+            @ptrCast(@constCast(if (values) |slice| slice.ptr else null)),
+            @intCast(if (keys) |slice| slice.len else 0),
+            &c.kCFTypeDictionaryKeyCallBacks,
+            &c.kCFTypeDictionaryValueCallBacks,
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Dictionary) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn getCount(self: *Dictionary) usize {
+        return @intCast(c.CFDictionaryGetCount(@ptrCast(self)));
+    }
+
+    pub fn getValue(self: *Dictionary, comptime V: type, key: ?*const anyopaque) ?*V {
+        return @ptrFromInt(@intFromPtr(c.CFDictionaryGetValue(
+            @ptrCast(self),
+            key,
+        )));
+    }
+
+    pub fn getKeysAndValues(self: *Dictionary, alloc: Allocator) !struct {
+        keys: []?*const anyopaque,
+        values: []?*const anyopaque,
+    } {
+        const count = self.getCount();
+        const keys = try alloc.alloc(?*const anyopaque, count);
+        errdefer alloc.free(keys);
+        const values = try alloc.alloc(?*const anyopaque, count);
+        errdefer alloc.free(values);
+        c.CFDictionaryGetKeysAndValues(
+            @ptrCast(self),
+            @ptrCast(keys.ptr),
+            @ptrCast(values.ptr),
+        );
+        return .{ .keys = keys, .values = values };
+    }
+};
+
+pub const MutableDictionary = opaque {
+    pub fn create(cap: usize) Allocator.Error!*MutableDictionary {
+        return @as(?*MutableDictionary, @ptrFromInt(@intFromPtr(c.CFDictionaryCreateMutable(
+            null,
+            @intCast(cap),
+            &c.kCFTypeDictionaryKeyCallBacks,
+            &c.kCFTypeDictionaryValueCallBacks,
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createMutableCopy(cap: usize, src: *Dictionary) Allocator.Error!*MutableDictionary {
+        return @as(?*MutableDictionary, @ptrFromInt(@intFromPtr(c.CFDictionaryCreateMutableCopy(
+            null,
+            @intCast(cap),
+            @ptrCast(src),
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *MutableDictionary) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn setValue(self: *MutableDictionary, key: ?*const anyopaque, value: ?*const anyopaque) void {
+        c.CFDictionarySetValue(
+            @ptrCast(self),
+            key,
+            value,
+        );
+    }
+};
+
+test "dictionary" {
+    const testing = std.testing;
+
+    const str = try foundation.String.createWithBytes("hello", .unicode, false);
+    defer str.release();
+
+    var keys = [_]?*const anyopaque{c.kCFURLIsPurgeableKey};
+    var values = [_]?*const anyopaque{str};
+    const dict = try Dictionary.create(&keys, &values);
+    defer dict.release();
+
+    try testing.expectEqual(@as(usize, 1), dict.getCount());
+    try testing.expect(dict.getValue(foundation.String, c.kCFURLIsPurgeableKey) != null);
+    try testing.expect(dict.getValue(foundation.String, c.kCFURLIsVolumeKey) == null);
+}
+
+test "mutable dictionary" {
+    const testing = std.testing;
+
+    const dict = try MutableDictionary.create(0);
+    defer dict.release();
+
+    const str = try foundation.String.createWithBytes("hello", .unicode, false);
+    defer str.release();
+
+    dict.setValue(c.kCFURLIsPurgeableKey, str);
+
+    {
+        const imm = @as(*Dictionary, @ptrCast(dict));
+        try testing.expectEqual(@as(usize, 1), imm.getCount());
+        try testing.expect(imm.getValue(foundation.String, c.kCFURLIsPurgeableKey) != null);
+        try testing.expect(imm.getValue(foundation.String, c.kCFURLIsVolumeKey) == null);
+    }
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/number.zig b/vendor/libghostty-vt/pkg/macos/foundation/number.zig
new file mode 100644
index 00000000..88bf9edf
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/number.zig
@@ -0,0 +1,79 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const Number = opaque {
+    pub fn create(
+        comptime type_: NumberType,
+        value: *const type_.ValueType(),
+    ) Allocator.Error!*Number {
+        return @as(?*Number, @ptrFromInt(@intFromPtr(c.CFNumberCreate(
+            null,
+            @intFromEnum(type_),
+            value,
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn getValue(self: *const Number, comptime t: NumberType, ptr: *t.ValueType()) bool {
+        return c.CFNumberGetValue(
+            @ptrCast(self),
+            @intFromEnum(t),
+            ptr,
+        ) == 1;
+    }
+
+    pub fn release(self: *Number) void {
+        c.CFRelease(self);
+    }
+};
+
+pub const NumberType = enum(c.CFNumberType) {
+    sint8 = c.kCFNumberSInt8Type,
+    sint16 = c.kCFNumberSInt16Type,
+    sint32 = c.kCFNumberSInt32Type,
+    sint64 = c.kCFNumberSInt64Type,
+    float32 = c.kCFNumberFloat32Type,
+    float64 = c.kCFNumberFloat64Type,
+    char = c.kCFNumberCharType,
+    short = c.kCFNumberShortType,
+    int = c.kCFNumberIntType,
+    long = c.kCFNumberLongType,
+    long_long = c.kCFNumberLongLongType,
+    float = c.kCFNumberFloatType,
+    double = c.kCFNumberDoubleType,
+    cf_index = c.kCFNumberCFIndexType,
+    ns_integer = c.kCFNumberNSIntegerType,
+    cg_float = c.kCFNumberCGFloatType,
+
+    pub fn ValueType(comptime self: NumberType) type {
+        return switch (self) {
+            .sint8 => i8,
+            .sint16 => i16,
+            .sint32 => i32,
+            .sint64 => i64,
+            .float32 => f32,
+            .float64 => f64,
+            .char => u8,
+            .short => c_short,
+            .int => c_int,
+            .long => c_long,
+            .long_long => c_longlong,
+            .float => f32,
+            .double => f64,
+            else => unreachable, // TODO
+        };
+    }
+};
+
+test {
+    const testing = std.testing;
+
+    const inner: i8 = 42;
+    const v = try Number.create(.sint8, &inner);
+    defer v.release();
+
+    var result: i8 = undefined;
+    try testing.expect(v.getValue(.sint8, &result));
+    try testing.expectEqual(result, inner);
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/string.zig b/vendor/libghostty-vt/pkg/macos/foundation/string.zig
new file mode 100644
index 00000000..2f679fef
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/string.zig
@@ -0,0 +1,174 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const String = opaque {
+    pub fn createWithBytes(
+        bs: []const u8,
+        encoding: StringEncoding,
+        external: bool,
+    ) Allocator.Error!*String {
+        return @as(?*String, @ptrFromInt(@intFromPtr(c.CFStringCreateWithBytes(
+            null,
+            bs.ptr,
+            @intCast(bs.len),
+            @intFromEnum(encoding),
+            @intFromBool(external),
+        )))) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createWithCharactersNoCopy(
+        unichars: []const u16,
+    ) *String {
+        return @as(*String, @ptrFromInt(@intFromPtr(c.CFStringCreateWithCharactersNoCopy(
+            null,
+            @ptrCast(unichars.ptr),
+            @intCast(unichars.len),
+            foundation.c.kCFAllocatorNull,
+        ))));
+    }
+
+    pub fn release(self: *String) void {
+        c.CFRelease(self);
+    }
+
+    pub fn getLength(self: *String) usize {
+        return @intCast(c.CFStringGetLength(@ptrCast(self)));
+    }
+
+    pub fn hasPrefix(self: *String, prefix: *String) bool {
+        return c.CFStringHasPrefix(
+            @ptrCast(self),
+            @ptrCast(prefix),
+        ) == 1;
+    }
+
+    pub fn compare(
+        self: *String,
+        other: *String,
+        options: StringComparison,
+    ) foundation.ComparisonResult {
+        return @enumFromInt(c.CFStringCompare(
+            @ptrCast(self),
+            @ptrCast(other),
+            @intCast(@as(c_int, @bitCast(options))),
+        ));
+    }
+
+    pub fn cstring(self: *String, buf: []u8, encoding: StringEncoding) ?[]const u8 {
+        if (c.CFStringGetCString(
+            @ptrCast(self),
+            buf.ptr,
+            @intCast(buf.len),
+            @intFromEnum(encoding),
+        ) == 0) return null;
+        return std.mem.sliceTo(buf, 0);
+    }
+
+    pub fn cstringPtr(self: *String, encoding: StringEncoding) ?[:0]const u8 {
+        const ptr = c.CFStringGetCStringPtr(
+            @ptrCast(self),
+            @intFromEnum(encoding),
+        );
+        if (ptr == null) return null;
+        return std.mem.sliceTo(ptr, 0);
+    }
+};
+
+pub const MutableString = opaque {
+    pub fn create(cap: usize) !*MutableString {
+        return @ptrCast(c.CFStringCreateMutable(
+            null,
+            @intCast(cap),
+        ) orelse return Allocator.Error.OutOfMemory);
+    }
+
+    pub fn release(self: *MutableString) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn string(self: *MutableString) *String {
+        return @ptrCast(self);
+    }
+
+    pub fn appendCharacters(self: *MutableString, chars: []const u16) void {
+        c.CFStringAppendCharacters(
+            @ptrCast(self),
+            chars.ptr,
+            @intCast(chars.len),
+        );
+    }
+};
+
+pub const StringComparison = packed struct {
+    case_insensitive: bool = false,
+    _unused_2: bool = false,
+    backwards: bool = false,
+    anchored: bool = false,
+    nonliteral: bool = false,
+    localized: bool = false,
+    numerically: bool = false,
+    diacritic_insensitive: bool = false,
+    width_insensitive: bool = false,
+    forced_ordering: bool = false,
+    _padding: u22 = 0,
+
+    test {
+        try std.testing.expectEqual(@bitSizeOf(c_int), @bitSizeOf(StringComparison));
+    }
+};
+
+/// https://developer.apple.com/documentation/corefoundation/cfstringencoding?language=objc
+pub const StringEncoding = enum(u32) {
+    invalid = 0xffffffff,
+    mac_roman = 0,
+    windows_latin1 = 0x0500,
+    iso_latin1 = 0x0201,
+    nextstep_latin = 0x0B01,
+    ascii = 0x0600,
+    unicode = 0x0100,
+    utf8 = 0x08000100,
+    non_lossy_ascii = 0x0BFF,
+    utf16_be = 0x10000100,
+    utf16_le = 0x14000100,
+    utf32 = 0x0c000100,
+    utf32_be = 0x18000100,
+    utf32_le = 0x1c000100,
+};
+
+pub fn stringGetSurrogatePairForLongCharacter(
+    ch: u32,
+    surrogates: []u16,
+) bool {
+    assert(surrogates.len >= 2);
+    return c.CFStringGetSurrogatePairForLongCharacter(ch, surrogates.ptr) == 1;
+}
+
+test "string" {
+    const testing = std.testing;
+
+    const str = try String.createWithBytes("hello world", .ascii, false);
+    defer str.release();
+
+    const prefix = try String.createWithBytes("hello", .ascii, false);
+    defer prefix.release();
+
+    try testing.expect(str.hasPrefix(prefix));
+    try testing.expectEqual(foundation.ComparisonResult.equal, str.compare(str, .{}));
+    try testing.expectEqualStrings("hello world", str.cstringPtr(.ascii).?);
+
+    {
+        var buf: [128]u8 = undefined;
+        const cstr = str.cstring(&buf, .ascii).?;
+        try testing.expectEqualStrings("hello world", cstr);
+    }
+}
+
+test "unichar" {
+    const testing = std.testing;
+
+    var unichars: [2]u16 = undefined;
+    try testing.expect(!stringGetSurrogatePairForLongCharacter('A', &unichars));
+}
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/type.zig b/vendor/libghostty-vt/pkg/macos/foundation/type.zig
new file mode 100644
index 00000000..45bd0905
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/type.zig
@@ -0,0 +1,2 @@
+pub extern "c" fn CFRelease(*anyopaque) void;
+pub extern "c" fn CFRetain(*anyopaque) void;
diff --git a/vendor/libghostty-vt/pkg/macos/foundation/url.zig b/vendor/libghostty-vt/pkg/macos/foundation/url.zig
new file mode 100644
index 00000000..b48a7181
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/foundation/url.zig
@@ -0,0 +1,104 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const URL = opaque {
+    pub fn createWithString(str: *foundation.String, base: ?*URL) Allocator.Error!*URL {
+        return CFURLCreateWithString(
+            null,
+            str,
+            base,
+        ) orelse error.OutOfMemory;
+    }
+
+    pub fn createWithFileSystemPath(
+        path: *foundation.String,
+        style: URLPathStyle,
+        dir: bool,
+    ) Allocator.Error!*URL {
+        return @as(
+            ?*URL,
+            @ptrFromInt(@intFromPtr(c.CFURLCreateWithFileSystemPath(
+                null,
+                @ptrCast(path),
+                @intFromEnum(style),
+                if (dir) 1 else 0,
+            ))),
+        ) orelse error.OutOfMemory;
+    }
+
+    pub fn createStringByReplacingPercentEscapes(
+        str: *foundation.String,
+        escape: *foundation.String,
+    ) Allocator.Error!*foundation.String {
+        return CFURLCreateStringByReplacingPercentEscapes(
+            null,
+            str,
+            escape,
+        ) orelse return error.OutOfMemory;
+    }
+
+    pub fn release(self: *URL) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn copyPath(self: *URL) ?*foundation.String {
+        return CFURLCopyPath(self);
+    }
+
+    pub extern "c" fn CFURLCreateWithString(
+        allocator: ?*anyopaque,
+        url_string: *const anyopaque,
+        base_url: ?*const anyopaque,
+    ) ?*URL;
+    pub extern "c" fn CFURLCopyPath(*URL) ?*foundation.String;
+    pub extern "c" fn CFURLCreateStringByReplacingPercentEscapes(
+        allocator: ?*anyopaque,
+        original: *const anyopaque,
+        escape: *const anyopaque,
+    ) ?*foundation.String;
+};
+
+pub const URLPathStyle = enum(c_int) {
+    posix = c.kCFURLPOSIXPathStyle,
+    windows = c.kCFURLWindowsPathStyle,
+};
+
+test {
+    const testing = std.testing;
+
+    const str = try foundation.String.createWithBytes("http://www.example.com/foo", .utf8, false);
+    defer str.release();
+
+    const url = try URL.createWithString(str, null);
+    defer url.release();
+
+    {
+        const path = url.copyPath().?;
+        defer path.release();
+
+        var buf: [128]u8 = undefined;
+        const cstr = path.cstring(&buf, .utf8).?;
+        try testing.expectEqualStrings("/foo", cstr);
+    }
+}
+
+test "path" {
+    const testing = std.testing;
+
+    const str = try foundation.String.createWithBytes("foo/bar.ttf", .utf8, false);
+    defer str.release();
+
+    const url = try URL.createWithFileSystemPath(str, .posix, false);
+    defer url.release();
+
+    {
+        const path = url.copyPath().?;
+        defer path.release();
+
+        var buf: [128]u8 = undefined;
+        const cstr = path.cstring(&buf, .utf8).?;
+        try testing.expectEqualStrings("foo/bar.ttf", cstr);
+    }
+}
diff --git a/vendor/libghostty-vt/pkg/macos/graphics.zig b/vendor/libghostty-vt/pkg/macos/graphics.zig
new file mode 100644
index 00000000..5195da4a
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics.zig
@@ -0,0 +1,24 @@
+const affine_transform = @import("graphics/affine_transform.zig");
+const bitmap_context = @import("graphics/bitmap_context.zig");
+const color_space = @import("graphics/color_space.zig");
+const font = @import("graphics/font.zig");
+const geometry = @import("graphics/geometry.zig");
+const image = @import("graphics/image.zig");
+const path = @import("graphics/path.zig");
+
+pub const c = @import("graphics/c.zig").c;
+pub const AffineTransform = affine_transform.AffineTransform;
+pub const BitmapContext = bitmap_context.BitmapContext;
+pub const ColorSpace = color_space.ColorSpace;
+pub const Glyph = font.Glyph;
+pub const Point = geometry.Point;
+pub const Rect = geometry.Rect;
+pub const Size = geometry.Size;
+pub const ImageAlphaInfo = image.ImageAlphaInfo;
+pub const BitmapInfo = image.BitmapInfo;
+pub const Path = path.Path;
+pub const MutablePath = path.MutablePath;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/affine_transform.zig b/vendor/libghostty-vt/pkg/macos/graphics/affine_transform.zig
new file mode 100644
index 00000000..e649e7a1
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/affine_transform.zig
@@ -0,0 +1,16 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const c = @import("c.zig").c;
+
+pub const AffineTransform = extern struct {
+    a: c.CGFloat,
+    b: c.CGFloat,
+    c: c.CGFloat,
+    d: c.CGFloat,
+    tx: c.CGFloat,
+    ty: c.CGFloat,
+
+    pub fn identity() AffineTransform {
+        return @bitCast(c.CGAffineTransformIdentity);
+    }
+};
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/bitmap_context.zig b/vendor/libghostty-vt/pkg/macos/graphics/bitmap_context.zig
new file mode 100644
index 00000000..7db5577f
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/bitmap_context.zig
@@ -0,0 +1,50 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const graphics = @import("../graphics.zig");
+const Context = @import("context.zig").Context;
+const c = @import("c.zig").c;
+
+pub const BitmapContext = opaque {
+    pub const context = Context(BitmapContext);
+
+    pub fn create(
+        data: ?[]u8,
+        width: usize,
+        height: usize,
+        bits_per_component: usize,
+        bytes_per_row: usize,
+        space: *graphics.ColorSpace,
+        opts: c_uint,
+    ) Allocator.Error!*BitmapContext {
+        return @as(
+            ?*BitmapContext,
+            @ptrFromInt(@intFromPtr(c.CGBitmapContextCreate(
+                @ptrCast(if (data) |d| d.ptr else null),
+                width,
+                height,
+                bits_per_component,
+                bytes_per_row,
+                @ptrCast(space),
+                opts,
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+};
+
+test {
+    //const testing = std.testing;
+
+    const cs = try graphics.ColorSpace.createDeviceGray();
+    defer cs.release();
+    const ctx = try BitmapContext.create(null, 80, 80, 8, 80, cs, 0);
+    const context = BitmapContext.context;
+    defer context.release(ctx);
+    context.setShouldAntialias(ctx, true);
+    context.setShouldSmoothFonts(ctx, false);
+    context.setGrayFillColor(ctx, 1, 1);
+    context.setGrayStrokeColor(ctx, 1, 1);
+    context.setTextDrawingMode(ctx, .fill);
+    context.setTextMatrix(ctx, graphics.AffineTransform.identity());
+    context.setTextPosition(ctx, 0, 0);
+}
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/c.zig b/vendor/libghostty-vt/pkg/macos/graphics/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/color_space.zig b/vendor/libghostty-vt/pkg/macos/graphics/color_space.zig
new file mode 100644
index 00000000..16960591
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/color_space.zig
@@ -0,0 +1,99 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const c = @import("c.zig").c;
+
+pub const ColorSpace = opaque {
+    pub fn createDeviceGray() Allocator.Error!*ColorSpace {
+        return @as(
+            ?*ColorSpace,
+            @ptrFromInt(@intFromPtr(c.CGColorSpaceCreateDeviceGray())),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createDeviceRGB() Allocator.Error!*ColorSpace {
+        return @as(
+            ?*ColorSpace,
+            @ptrFromInt(@intFromPtr(c.CGColorSpaceCreateDeviceRGB())),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createNamed(name: Name) Allocator.Error!*ColorSpace {
+        return @as(
+            ?*ColorSpace,
+            @ptrFromInt(@intFromPtr(c.CGColorSpaceCreateWithName(name.cfstring()))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *ColorSpace) void {
+        c.CGColorSpaceRelease(@ptrCast(self));
+    }
+
+    pub const Name = enum {
+        /// This color space uses the DCI P3 primaries, a D65 white point, and
+        /// the sRGB transfer function.
+        displayP3,
+        /// The Display P3 color space with a linear transfer function and
+        /// extended-range values.
+        extendedLinearDisplayP3,
+        /// The sRGB colorimetry and non-linear transfer function are specified
+        /// in IEC 61966-2-1.
+        sRGB,
+        /// This color space has the same colorimetry as `sRGB`, but uses a
+        /// linear transfer function.
+        linearSRGB,
+        /// This color space has the same colorimetry as `sRGB`, but you can
+        /// encode component values below `0.0` and above `1.0`. Negative values
+        /// are encoded as the signed reflection of the original encoding
+        /// function, as shown in the formula below:
+        /// ```
+        /// extendedTransferFunction(x) = sign(x) * sRGBTransferFunction(abs(x))
+        /// ```
+        extendedSRGB,
+        /// This color space has the same colorimetry as `sRGB`; in addition,
+        /// you may encode component values below `0.0` and above `1.0`.
+        extendedLinearSRGB,
+        /// ...
+        genericGrayGamma2_2,
+        /// ...
+        linearGray,
+        /// This color space has the same colorimetry as `genericGrayGamma2_2`,
+        /// but you can encode component values below `0.0` and above `1.0`.
+        /// Negative values are encoded as the signed reflection of the
+        /// original encoding function, as shown in the formula below:
+        /// ```
+        /// extendedGrayTransferFunction(x) = sign(x) * gamma22Function(abs(x))
+        /// ```
+        extendedGray,
+        /// This color space has the same colorimetry as `linearGray`; in
+        /// addition, you may encode component values below `0.0` and above `1.0`.
+        extendedLinearGray,
+
+        fn cfstring(self: Name) c.CFStringRef {
+            return switch (self) {
+                .displayP3 => c.kCGColorSpaceDisplayP3,
+                .extendedLinearDisplayP3 => c.kCGColorSpaceExtendedLinearDisplayP3,
+                .sRGB => c.kCGColorSpaceSRGB,
+                .extendedSRGB => c.kCGColorSpaceExtendedSRGB,
+                .linearSRGB => c.kCGColorSpaceLinearSRGB,
+                .extendedLinearSRGB => c.kCGColorSpaceExtendedLinearSRGB,
+                .genericGrayGamma2_2 => c.kCGColorSpaceGenericGrayGamma2_2,
+                .extendedGray => c.kCGColorSpaceExtendedGray,
+                .linearGray => c.kCGColorSpaceLinearGray,
+                .extendedLinearGray => c.kCGColorSpaceExtendedLinearGray,
+            };
+        }
+    };
+};
+
+test {
+    //const testing = std.testing;
+
+    const space = try ColorSpace.createDeviceGray();
+    defer space.release();
+}
+
+test {
+    const space = try ColorSpace.createDeviceRGB();
+    defer space.release();
+}
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/context.zig b/vendor/libghostty-vt/pkg/macos/graphics/context.zig
new file mode 100644
index 00000000..77e4344e
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/context.zig
@@ -0,0 +1,172 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const graphics = @import("../graphics.zig");
+const c = @import("c.zig").c;
+
+/// Returns a struct that has all the shared context functions for the
+/// given type.
+pub fn Context(comptime T: type) type {
+    return struct {
+        value: *T,
+
+        pub fn release(self: *T) void {
+            c.CGContextRelease(@ptrCast(self));
+        }
+
+        pub fn setLineWidth(self: *T, width: f64) void {
+            c.CGContextSetLineWidth(
+                @ptrCast(self),
+                width,
+            );
+        }
+
+        pub fn setAllowsAntialiasing(self: *T, v: bool) void {
+            c.CGContextSetAllowsAntialiasing(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setAllowsFontSmoothing(self: *T, v: bool) void {
+            c.CGContextSetAllowsFontSmoothing(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setAllowsFontSubpixelPositioning(self: *T, v: bool) void {
+            c.CGContextSetAllowsFontSubpixelPositioning(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setAllowsFontSubpixelQuantization(self: *T, v: bool) void {
+            c.CGContextSetAllowsFontSubpixelQuantization(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setShouldAntialias(self: *T, v: bool) void {
+            c.CGContextSetShouldAntialias(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setShouldSmoothFonts(self: *T, v: bool) void {
+            c.CGContextSetShouldSmoothFonts(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setShouldSubpixelPositionFonts(self: *T, v: bool) void {
+            c.CGContextSetShouldSubpixelPositionFonts(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setShouldSubpixelQuantizeFonts(self: *T, v: bool) void {
+            c.CGContextSetShouldSubpixelQuantizeFonts(
+                @ptrCast(self),
+                v,
+            );
+        }
+
+        pub fn setGrayFillColor(self: *T, gray: f64, alpha: f64) void {
+            c.CGContextSetGrayFillColor(
+                @ptrCast(self),
+                gray,
+                alpha,
+            );
+        }
+
+        pub fn setGrayStrokeColor(self: *T, gray: f64, alpha: f64) void {
+            c.CGContextSetGrayStrokeColor(
+                @ptrCast(self),
+                gray,
+                alpha,
+            );
+        }
+
+        pub fn setRGBFillColor(self: *T, r: f64, g: f64, b: f64, alpha: f64) void {
+            c.CGContextSetRGBFillColor(
+                @ptrCast(self),
+                r,
+                g,
+                b,
+                alpha,
+            );
+        }
+
+        pub fn setRGBStrokeColor(self: *T, r: f64, g: f64, b: f64, alpha: f64) void {
+            c.CGContextSetRGBStrokeColor(
+                @ptrCast(self),
+                r,
+                g,
+                b,
+                alpha,
+            );
+        }
+
+        pub fn setTextDrawingMode(self: *T, mode: TextDrawingMode) void {
+            c.CGContextSetTextDrawingMode(
+                @ptrCast(self),
+                @intFromEnum(mode),
+            );
+        }
+
+        pub fn setTextMatrix(self: *T, matrix: graphics.AffineTransform) void {
+            c.CGContextSetTextMatrix(
+                @ptrCast(self),
+                @bitCast(matrix),
+            );
+        }
+
+        pub fn setTextPosition(self: *T, x: f64, y: f64) void {
+            c.CGContextSetTextPosition(
+                @ptrCast(self),
+                x,
+                y,
+            );
+        }
+
+        pub fn fillRect(self: *T, rect: graphics.Rect) void {
+            c.CGContextFillRect(
+                @ptrCast(self),
+                @bitCast(rect),
+            );
+        }
+
+        pub fn scaleCTM(self: *T, sx: c.CGFloat, sy: c.CGFloat) void {
+            c.CGContextScaleCTM(
+                @ptrCast(self),
+                sx,
+                sy,
+            );
+        }
+
+        pub fn translateCTM(self: *T, tx: c.CGFloat, ty: c.CGFloat) void {
+            c.CGContextTranslateCTM(
+                @ptrCast(self),
+                tx,
+                ty,
+            );
+        }
+    };
+}
+
+pub const TextDrawingMode = enum(c_int) {
+    fill = c.kCGTextFill,
+    stroke = c.kCGTextStroke,
+    fill_stroke = c.kCGTextFillStroke,
+    invisible = c.kCGTextInvisible,
+    fill_clip = c.kCGTextFillClip,
+    stroke_clip = c.kCGTextStrokeClip,
+    fill_stroke_clip = c.kCGTextFillStrokeClip,
+    clip = c.kCGTextClip,
+};
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/font.zig b/vendor/libghostty-vt/pkg/macos/graphics/font.zig
new file mode 100644
index 00000000..c310c62a
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/font.zig
@@ -0,0 +1,3 @@
+const c = @import("c.zig").c;
+
+pub const Glyph = c.CGGlyph;
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/geometry.zig b/vendor/libghostty-vt/pkg/macos/graphics/geometry.zig
new file mode 100644
index 00000000..66937403
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/geometry.zig
@@ -0,0 +1,34 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const c = @import("c.zig").c;
+
+pub const Point = extern struct {
+    x: c.CGFloat,
+    y: c.CGFloat,
+};
+
+pub const Rect = extern struct {
+    origin: Point,
+    size: Size,
+
+    pub fn init(x: f64, y: f64, width: f64, height: f64) Rect {
+        return @bitCast(c.CGRectMake(x, y, width, height));
+    }
+
+    pub fn isNull(self: Rect) bool {
+        return c.CGRectIsNull(@bitCast(self));
+    }
+
+    pub fn getHeight(self: Rect) c.CGFloat {
+        return c.CGRectGetHeight(@bitCast(self));
+    }
+
+    pub fn getWidth(self: Rect) c.CGFloat {
+        return c.CGRectGetWidth(@bitCast(self));
+    }
+};
+
+pub const Size = extern struct {
+    width: c.CGFloat,
+    height: c.CGFloat,
+};
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/image.zig b/vendor/libghostty-vt/pkg/macos/graphics/image.zig
new file mode 100644
index 00000000..879384b1
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/image.zig
@@ -0,0 +1,31 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const graphics = @import("../graphics.zig");
+const context = @import("context.zig");
+const c = @import("c.zig").c;
+
+pub const ImageAlphaInfo = enum(c_uint) {
+    none = c.kCGImageAlphaNone,
+    premultiplied_last = c.kCGImageAlphaPremultipliedLast,
+    premultiplied_first = c.kCGImageAlphaPremultipliedFirst,
+    last = c.kCGImageAlphaLast,
+    first = c.kCGImageAlphaFirst,
+    none_skip_last = c.kCGImageAlphaNoneSkipLast,
+    none_skip_first = c.kCGImageAlphaNoneSkipFirst,
+    only = c.kCGImageAlphaOnly,
+};
+
+pub const BitmapInfo = enum(c_uint) {
+    alpha_mask = c.kCGBitmapAlphaInfoMask,
+    float_mask = c.kCGBitmapFloatInfoMask,
+    float_components = c.kCGBitmapFloatComponents,
+    byte_order_mask = c.kCGBitmapByteOrderMask,
+    byte_order_default = c.kCGBitmapByteOrderDefault,
+    byte_order_16_little = c.kCGBitmapByteOrder16Little,
+    byte_order_32_little = c.kCGBitmapByteOrder32Little,
+    byte_order_16_big = c.kCGBitmapByteOrder16Big,
+    byte_order_32_big = c.kCGBitmapByteOrder32Big,
+
+    _,
+};
diff --git a/vendor/libghostty-vt/pkg/macos/graphics/path.zig b/vendor/libghostty-vt/pkg/macos/graphics/path.zig
new file mode 100644
index 00000000..7f549709
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/graphics/path.zig
@@ -0,0 +1,68 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const c = @import("c.zig").c;
+
+pub const Path = opaque {
+    pub fn createWithRect(
+        rect: graphics.Rect,
+        transform: ?*const graphics.AffineTransform,
+    ) Allocator.Error!*Path {
+        return @as(
+            ?*Path,
+            @ptrFromInt(@intFromPtr(c.CGPathCreateWithRect(
+                @bitCast(rect),
+                @ptrCast(transform),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Path) void {
+        foundation.CFRelease(self);
+    }
+};
+
+pub const MutablePath = opaque {
+    pub fn create() Allocator.Error!*MutablePath {
+        return @as(
+            ?*MutablePath,
+            @ptrFromInt(@intFromPtr(c.CGPathCreateMutable())),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *MutablePath) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn addRect(
+        self: *MutablePath,
+        transform: ?*const graphics.AffineTransform,
+        rect: graphics.Rect,
+    ) void {
+        c.CGPathAddRect(
+            @ptrCast(self),
+            @ptrCast(transform),
+            @bitCast(rect),
+        );
+    }
+
+    pub fn getBoundingBox(self: *MutablePath) graphics.Rect {
+        return @bitCast(c.CGPathGetBoundingBox(@ptrCast(self)));
+    }
+};
+
+test "mutable path" {
+    //const testing = std.testing;
+
+    const path = try MutablePath.create();
+    defer path.release();
+
+    path.addRect(null, graphics.Rect.init(0, 0, 100, 200));
+}
+
+test "path from rect" {
+    const path = try Path.createWithRect(graphics.Rect.init(0, 0, 100, 200), null);
+    defer path.release();
+}
diff --git a/vendor/libghostty-vt/pkg/macos/iosurface.zig b/vendor/libghostty-vt/pkg/macos/iosurface.zig
new file mode 100644
index 00000000..9d2e750c
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/iosurface.zig
@@ -0,0 +1,8 @@
+const iosurface = @import("iosurface/iosurface.zig");
+
+pub const c = @import("iosurface/c.zig").c;
+pub const IOSurface = iosurface.IOSurface;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/iosurface/c.zig b/vendor/libghostty-vt/pkg/macos/iosurface/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/iosurface/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/iosurface/iosurface.zig b/vendor/libghostty-vt/pkg/macos/iosurface/iosurface.zig
new file mode 100644
index 00000000..37f8712b
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/iosurface/iosurface.zig
@@ -0,0 +1,136 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const c = @import("c.zig").c;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const video = @import("../video.zig");
+
+pub const IOSurface = opaque {
+    pub const Error = error{
+        InvalidOperation,
+    };
+
+    pub const Properties = struct {
+        width: c_int,
+        height: c_int,
+        pixel_format: video.PixelFormat,
+        bytes_per_element: c_int,
+        colorspace: ?*graphics.ColorSpace,
+    };
+
+    pub fn init(properties: Properties) Allocator.Error!*IOSurface {
+        var w = try foundation.Number.create(.int, &properties.width);
+        defer w.release();
+        var h = try foundation.Number.create(.int, &properties.height);
+        defer h.release();
+        var pf = try foundation.Number.create(.int, &@as(c_int, @intFromEnum(properties.pixel_format)));
+        defer pf.release();
+        var bpe = try foundation.Number.create(.int, &properties.bytes_per_element);
+        defer bpe.release();
+
+        var properties_dict = try foundation.Dictionary.create(
+            &[_]?*const anyopaque{
+                c.kIOSurfaceWidth,
+                c.kIOSurfaceHeight,
+                c.kIOSurfacePixelFormat,
+                c.kIOSurfaceBytesPerElement,
+            },
+            &[_]?*const anyopaque{ w, h, pf, bpe },
+        );
+        defer properties_dict.release();
+
+        var surface = @as(?*IOSurface, @ptrFromInt(@intFromPtr(
+            c.IOSurfaceCreate(@ptrCast(properties_dict)),
+        ))) orelse return error.OutOfMemory;
+
+        if (properties.colorspace) |space| {
+            surface.setColorSpace(space);
+        }
+
+        return surface;
+    }
+
+    pub fn deinit(self: *IOSurface) void {
+        // We mark it purgeable so that it is immediately unloaded, so that we
+        // don't have to wait for CoreFoundation garbage collection to trigger.
+        _ = c.IOSurfaceSetPurgeable(
+            @ptrCast(self),
+            c.kIOSurfacePurgeableEmpty,
+            null,
+        );
+        foundation.CFRelease(self);
+    }
+
+    pub fn retain(self: *IOSurface) void {
+        foundation.CFRetain(self);
+    }
+
+    pub fn release(self: *IOSurface) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn setColorSpace(self: *IOSurface, colorspace: *graphics.ColorSpace) void {
+        const serialized_colorspace = graphics.c.CGColorSpaceCopyPropertyList(
+            @ptrCast(colorspace),
+        ).?;
+        defer foundation.CFRelease(@constCast(serialized_colorspace));
+
+        c.IOSurfaceSetValue(
+            @ptrCast(self),
+            c.kIOSurfaceColorSpace,
+            @ptrCast(serialized_colorspace),
+        );
+    }
+
+    pub inline fn lock(self: *IOSurface) void {
+        c.IOSurfaceLock(
+            @ptrCast(self),
+            0,
+            null,
+        );
+    }
+    pub inline fn unlock(self: *IOSurface) void {
+        c.IOSurfaceUnlock(
+            @ptrCast(self),
+            0,
+            null,
+        );
+    }
+
+    pub inline fn getAllocSize(self: *IOSurface) usize {
+        return c.IOSurfaceGetAllocSize(@ptrCast(self));
+    }
+
+    pub inline fn getWidth(self: *IOSurface) usize {
+        return c.IOSurfaceGetWidth(@ptrCast(self));
+    }
+
+    pub inline fn getHeight(self: *IOSurface) usize {
+        return c.IOSurfaceGetHeight(@ptrCast(self));
+    }
+
+    pub inline fn getBytesPerElement(self: *IOSurface) usize {
+        return c.IOSurfaceGetBytesPerElement(@ptrCast(self));
+    }
+
+    pub inline fn getBytesPerRow(self: *IOSurface) usize {
+        return c.IOSurfaceGetBytesPerRow(@ptrCast(self));
+    }
+
+    pub inline fn getBaseAddress(self: *IOSurface) ?[*]u8 {
+        return @ptrCast(c.IOSurfaceGetBaseAddress(@ptrCast(self)));
+    }
+
+    pub inline fn getElementWidth(self: *IOSurface) usize {
+        return c.IOSurfaceGetElementWidth(@ptrCast(self));
+    }
+
+    pub inline fn getElementHeight(self: *IOSurface) usize {
+        return c.IOSurfaceGetElementHeight(@ptrCast(self));
+    }
+
+    pub inline fn getPixelFormat(self: *IOSurface) video.PixelFormat {
+        return @enumFromInt(c.IOSurfaceGetPixelFormat(@ptrCast(self)));
+    }
+};
diff --git a/vendor/libghostty-vt/pkg/macos/main.zig b/vendor/libghostty-vt/pkg/macos/main.zig
new file mode 100644
index 00000000..e4f4b950
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/main.zig
@@ -0,0 +1,35 @@
+const builtin = @import("builtin");
+
+pub const carbon = @import("carbon.zig");
+pub const foundation = @import("foundation.zig");
+pub const animation = @import("animation.zig");
+pub const dispatch = @import("dispatch.zig");
+pub const graphics = @import("graphics.zig");
+pub const os = @import("os.zig");
+pub const text = @import("text.zig");
+pub const video = @import("video.zig");
+pub const iosurface = @import("iosurface.zig");
+
+// All of our C imports consolidated into one place. We used to
+// import them one by one in each package but Zig 0.14 has some
+// kind of issue with that I wasn't able to minimize.
+pub const c = @cImport({
+    @cInclude("CoreFoundation/CoreFoundation.h");
+    @cInclude("CoreGraphics/CoreGraphics.h");
+    @cInclude("CoreText/CoreText.h");
+    @cInclude("CoreVideo/CoreVideo.h");
+    @cInclude("CoreVideo/CVPixelBuffer.h");
+    @cInclude("QuartzCore/CALayer.h");
+    @cInclude("IOSurface/IOSurfaceRef.h");
+    @cInclude("dispatch/dispatch.h");
+    @cInclude("os/log.h");
+    @cInclude("os/signpost.h");
+
+    if (builtin.os.tag == .macos) {
+        @cInclude("Carbon/Carbon.h");
+    }
+});
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/os.zig b/vendor/libghostty-vt/pkg/macos/os.zig
new file mode 100644
index 00000000..9716a9ab
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/os.zig
@@ -0,0 +1,10 @@
+const log = @import("os/log.zig");
+
+pub const c = @import("os/c.zig");
+pub const signpost = @import("os/signpost.zig");
+pub const Log = log.Log;
+pub const LogType = log.LogType;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/os/c.zig b/vendor/libghostty-vt/pkg/macos/os/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/os/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/os/log.zig b/vendor/libghostty-vt/pkg/macos/os/log.zig
new file mode 100644
index 00000000..219c914d
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/os/log.zig
@@ -0,0 +1,65 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const c = @import("c.zig").c;
+
+pub const Log = opaque {
+    pub fn create(
+        subsystem: [:0]const u8,
+        category: [:0]const u8,
+    ) *Log {
+        return @ptrCast(c.os_log_create(
+            subsystem.ptr,
+            category.ptr,
+        ).?);
+    }
+
+    pub fn release(self: *Log) void {
+        c.os_release(self);
+    }
+
+    pub fn typeEnabled(self: *Log, typ: LogType) bool {
+        return c.os_log_type_enabled(
+            @ptrCast(self),
+            @intFromEnum(typ),
+        );
+    }
+
+    pub fn log(
+        self: *Log,
+        alloc: Allocator,
+        typ: LogType,
+        comptime format: []const u8,
+        args: anytype,
+    ) void {
+        const str = nosuspend std.fmt.allocPrintSentinel(
+            alloc,
+            format,
+            args,
+            0,
+        ) catch return;
+        defer alloc.free(str);
+        zig_os_log_with_type(self, typ, str.ptr);
+    }
+
+    extern "c" fn zig_os_log_with_type(*Log, LogType, [*c]const u8) void;
+};
+
+/// https://developer.apple.com/documentation/os/os_log_type_t?language=objc
+pub const LogType = enum(c.os_log_type_t) {
+    default = c.OS_LOG_TYPE_DEFAULT,
+    debug = c.OS_LOG_TYPE_DEBUG,
+    info = c.OS_LOG_TYPE_INFO,
+    err = c.OS_LOG_TYPE_ERROR,
+    fault = c.OS_LOG_TYPE_FAULT,
+};
+
+test {
+    const testing = std.testing;
+
+    const log = Log.create("com.mitchellh.ghostty", "test");
+    defer log.release();
+
+    try testing.expect(log.typeEnabled(.fault));
+    log.log(testing.allocator, .default, "hello {d}", .{12});
+}
diff --git a/vendor/libghostty-vt/pkg/macos/os/signpost.zig b/vendor/libghostty-vt/pkg/macos/os/signpost.zig
new file mode 100644
index 00000000..2bd12566
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/os/signpost.zig
@@ -0,0 +1,214 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const c = @import("c.zig").c;
+const logpkg = @import("log.zig");
+const Log = logpkg.Log;
+
+/// This should be called once at the start of the program to intialize
+/// some required state for signpost logging.
+///
+/// This is all to workaround a Zig bug:
+/// https://github.com/ziglang/zig/issues/24370
+pub fn init() void {
+    if (__dso_handle != null) return;
+
+    const sym = comptime sym: {
+        const root = @import("root");
+
+        // If we have a main function, use that as the symbol.
+        if (@hasDecl(root, "main")) break :sym root.main;
+
+        // Otherwise, we're in a library, so we just use the first
+        // function in our root module. I actually don't know if this is
+        // all required or if we can just use the real `__dso_handle` symbol,
+        // but this seems to work for now.
+        for (@typeInfo(root).@"struct".decls) |decl_info| {
+            const decl = @field(root, decl_info.name);
+            if (@typeInfo(@TypeOf(decl)) == .@"fn") break :sym decl;
+        }
+
+        @compileError("no functions found in root module");
+    };
+
+    // Since __dso_handle is not automatically populated by the linker,
+    // we populate it by looking up the main function's module address
+    // which should be a mach-o header.
+    var info: DlInfo = undefined;
+    const result = dladdr(sym, &info);
+    assert(result != 0);
+    __dso_handle = @ptrCast(@alignCast(info.dli_fbase));
+}
+
+/// This should REALLY be an extern var that is populated by the linker,
+/// but there is a Zig bug: https://github.com/ziglang/zig/issues/24370
+var __dso_handle: ?*c.mach_header = null;
+
+// Import the necessary C functions and types
+extern "c" fn dladdr(addr: ?*const anyopaque, info: *DlInfo) c_int;
+
+// Define the Dl_info structure
+const DlInfo = extern struct {
+    dli_fname: [*:0]const u8, // Pathname of shared object
+    dli_fbase: ?*anyopaque, // Base address of shared object
+    dli_sname: [*:0]const u8, // Name of nearest symbol
+    dli_saddr: ?*anyopaque, // Address of nearest symbol
+};
+
+/// Checks whether signpost logging is enabled for the given log handle.
+/// Returns true if signposts will be recorded for this log, false otherwise.
+/// This can be used to avoid expensive operations when signpost logging is disabled.
+///
+/// https://developer.apple.com/documentation/os/os_signpost_enabled?language=objc
+pub fn enabled(log: *Log) bool {
+    return c.os_signpost_enabled(@ptrCast(log));
+}
+
+/// Emits a signpost event - a single point in time marker.
+/// Events are useful for marking when specific actions occur, such as
+/// user interactions, state changes, or other discrete occurrences.
+/// The event will appear as a vertical line in Instruments.
+///
+/// https://developer.apple.com/documentation/os/os_signpost_event_emit?language=objc
+pub fn emitEvent(
+    log: *Log,
+    id: Id,
+    comptime name: [:0]const u8,
+) void {
+    emitWithName(log, id, .event, name);
+}
+
+/// Marks the beginning of a time interval.
+/// Use this with intervalEnd to measure the duration of operations.
+/// The same ID must be used for both the begin and end calls.
+/// Intervals appear as horizontal bars in Instruments timeline.
+///
+/// https://developer.apple.com/documentation/os/os_signpost_interval_begin?language=objc
+pub fn intervalBegin(log: *Log, id: Id, comptime name: [:0]const u8) void {
+    emitWithName(log, id, .interval_begin, name);
+}
+
+/// Marks the end of a time interval.
+/// Must be paired with a prior intervalBegin call using the same ID.
+/// The name should match the name used in intervalBegin.
+/// Instruments will calculate and display the duration between begin and end.
+///
+/// https://developer.apple.com/documentation/os/os_signpost_interval_end?language=objc
+pub fn intervalEnd(log: *Log, id: Id, comptime name: [:0]const u8) void {
+    emitWithName(log, id, .interval_end, name);
+}
+
+/// The internal function to emit a signpost with a specific name.
+fn emitWithName(
+    log: *Log,
+    id: Id,
+    typ: Type,
+    comptime name: [:0]const u8,
+) void {
+    // Init must be called by this point.
+    assert(__dso_handle != null);
+
+    var buf: [2]u8 = @splat(0);
+    c._os_signpost_emit_with_name_impl(
+        __dso_handle,
+        @ptrCast(log),
+        @intFromEnum(typ),
+        @intFromEnum(id),
+        name.ptr,
+        "".ptr,
+        &buf,
+        buf.len,
+    );
+}
+
+/// https://developer.apple.com/documentation/os/os_signpost_id_t?language=objc
+pub const Id = enum(u64) {
+    null = 0, // OS_SIGNPOST_ID_NULL
+    invalid = 0xFFFFFFFFFFFFFFFF, // OS_SIGNPOST_ID_INVALID
+    exclusive = 0xEEEEB0B5B2B2EEEE, // OS_SIGNPOST_ID_EXCLUSIVE
+    _,
+
+    /// Generates a new signpost ID for use with signpost operations.
+    /// The ID is unique for the given log handle and can be used to track
+    /// asynchronous operations or mark specific points of interest in the code.
+    /// Returns a unique signpost ID that can be used with os_signpost functions.
+    ///
+    /// https://developer.apple.com/documentation/os/os_signpost_id_generate?language=objc
+    pub fn generate(log: *Log) Id {
+        return @enumFromInt(c.os_signpost_id_generate(@ptrCast(log)));
+    }
+
+    /// Creates a signpost ID based on a pointer value.
+    /// This is useful for tracking operations associated with a specific object
+    /// or memory location. The same pointer will always generate the same ID
+    /// for a given log handle, allowing correlation of signpost events.
+    /// Pass null to get the null signpost ID.
+    ///
+    /// https://developer.apple.com/documentation/os/os_signpost_id_for_pointer?language=objc
+    pub fn forPointer(log: *Log, ptr: ?*anyopaque) Id {
+        return @enumFromInt(c.os_signpost_id_make_with_pointer(
+            @ptrCast(log),
+            @ptrCast(ptr),
+        ));
+    }
+
+    test "generate ID" {
+        // We can't really test the return value because it may return null
+        // if signposts are disabled.
+        const id: Id = .generate(Log.create("com.mitchellh.ghostty", "test"));
+        try std.testing.expect(id != .invalid);
+    }
+
+    test "generate ID for pointer" {
+        var foo: usize = 0x1234;
+        const id: Id = .forPointer(Log.create("com.mitchellh.ghostty", "test"), &foo);
+        try std.testing.expect(id != .null);
+    }
+};
+
+/// https://developer.apple.com/documentation/os/ossignposttype?language=objc
+pub const Type = enum(u8) {
+    event = 0, // OS_SIGNPOST_EVENT
+    interval_begin = 1, // OS_SIGNPOST_INTERVAL_BEGIN
+    interval_end = 2, // OS_SIGNPOST_INTERVAL_END
+
+    pub const mask: u8 = 0x03; // OS_SIGNPOST_TYPE_MASK
+};
+
+/// Special os_log category values that surface in Instruments and other
+/// tooling.
+pub const Category = struct {
+    /// Points of Interest appear as a dedicated track in Instruments.
+    /// Use this for high-level application events that help understand
+    /// the flow of your application.
+    pub const points_of_interest: [:0]const u8 = "PointsOfInterest";
+
+    /// Dynamic Tracing category enables runtime-configurable logging.
+    /// Signposts in this category can be enabled/disabled dynamically
+    /// without recompiling.
+    pub const dynamic_tracing: [:0]const u8 = "DynamicTracing";
+
+    /// Dynamic Stack Tracing category captures call stacks at signpost
+    /// events. This provides deeper debugging information but has higher
+    /// performance overhead.
+    pub const dynamic_stack_tracing: [:0]const u8 = "DynamicStackTracing";
+};
+
+test {
+    _ = Id;
+}
+
+test enabled {
+    _ = enabled(Log.create("com.mitchellh.ghostty", "test"));
+}
+
+test "intervals" {
+    init();
+
+    const log = Log.create("com.mitchellh.ghostty", "test");
+    defer log.release();
+
+    // Test that we can begin and end an interval
+    const id = Id.generate(log);
+    intervalBegin(log, id, "Test Interval");
+}
diff --git a/vendor/libghostty-vt/pkg/macos/os/zig_macos.c b/vendor/libghostty-vt/pkg/macos/os/zig_macos.c
new file mode 100644
index 00000000..1c4f0698
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/os/zig_macos.c
@@ -0,0 +1,11 @@
+#include <os/log.h>
+#include <os/signpost.h>
+
+// A wrapper so we can use the os_log_with_type macro.
+void zig_os_log_with_type(
+    os_log_t log,
+    os_log_type_t type,
+    const char *message
+) {
+    os_log_with_type(log, type, "%{public}s", message);
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text.zig b/vendor/libghostty-vt/pkg/macos/text.zig
new file mode 100644
index 00000000..bfaa388b
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text.zig
@@ -0,0 +1,38 @@
+const font = @import("text/font.zig");
+const font_collection = @import("text/font_collection.zig");
+const font_descriptor = @import("text/font_descriptor.zig");
+const font_manager = @import("text/font_manager.zig");
+const frame = @import("text/frame.zig");
+const framesetter = @import("text/framesetter.zig");
+const typesetter = @import("text/typesetter.zig");
+const line = @import("text/line.zig");
+const paragraph_style = @import("text/paragraph_style.zig");
+const run = @import("text/run.zig");
+const stylized_strings = @import("text/stylized_strings.zig");
+
+pub const c = @import("text/c.zig").c;
+pub const Font = font.Font;
+pub const FontTableTag = font.FontTableTag;
+pub const FontCollection = font_collection.FontCollection;
+pub const FontDescriptor = font_descriptor.FontDescriptor;
+pub const FontAttribute = font_descriptor.FontAttribute;
+pub const FontTraitKey = font_descriptor.FontTraitKey;
+pub const FontVariationAxisKey = font_descriptor.FontVariationAxisKey;
+pub const FontSymbolicTraits = font_descriptor.FontSymbolicTraits;
+pub const createFontDescriptorsFromURL = font_manager.createFontDescriptorsFromURL;
+pub const createFontDescriptorsFromData = font_manager.createFontDescriptorsFromData;
+pub const createFontDescriptorFromData = font_manager.createFontDescriptorFromData;
+pub const Frame = frame.Frame;
+pub const Framesetter = framesetter.Framesetter;
+pub const Typesetter = typesetter.Typesetter;
+pub const Line = line.Line;
+pub const ParagraphStyle = paragraph_style.ParagraphStyle;
+pub const ParagraphStyleSetting = paragraph_style.ParagraphStyleSetting;
+pub const ParagraphStyleSpecifier = paragraph_style.ParagraphStyleSpecifier;
+pub const WritingDirection = paragraph_style.WritingDirection;
+pub const Run = run.Run;
+pub const StringAttribute = stylized_strings.StringAttribute;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/c.zig b/vendor/libghostty-vt/pkg/macos/text/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/text/ext.c b/vendor/libghostty-vt/pkg/macos/text/ext.c
new file mode 100644
index 00000000..55bff8a6
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/ext.c
@@ -0,0 +1,10 @@
+#include <CoreText/CoreText.h>
+
+// A wrapper to fix a Zig C ABI issue.
+void zig_cabi_CTLineGetBoundsWithOptions(
+    CTLineRef line,
+    CTLineBoundsOptions options,
+    CGRect *result
+) {
+    *result = CTLineGetBoundsWithOptions(line, options);
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/font.zig b/vendor/libghostty-vt/pkg/macos/text/font.zig
new file mode 100644
index 00000000..ea37891f
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/font.zig
@@ -0,0 +1,306 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const Font = opaque {
+    pub fn createWithFontDescriptor(desc: *const text.FontDescriptor, size: f32) Allocator.Error!*Font {
+        return @as(
+            ?*Font,
+            @ptrFromInt(@intFromPtr(c.CTFontCreateWithFontDescriptor(
+                @ptrCast(desc),
+                size,
+                null,
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createForString(
+        self: *Font,
+        str: *foundation.String,
+        range: foundation.Range,
+    ) ?*Font {
+        return @ptrCast(@constCast(c.CTFontCreateForString(
+            @ptrCast(self),
+            @ptrCast(str),
+            @bitCast(range),
+        )));
+    }
+
+    pub fn copyWithAttributes(
+        self: *Font,
+        size: f32,
+        matrix: ?*const graphics.AffineTransform,
+        attrs: ?*text.FontDescriptor,
+    ) Allocator.Error!*Font {
+        return @as(
+            ?*Font,
+            @ptrFromInt(@intFromPtr(c.CTFontCreateCopyWithAttributes(
+                @ptrCast(self),
+                size,
+                @ptrCast(matrix),
+                @ptrCast(attrs),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Font) void {
+        c.CFRelease(self);
+    }
+
+    pub fn retain(self: *Font) void {
+        _ = c.CFRetain(self);
+    }
+
+    pub fn copyDescriptor(self: *Font) *text.FontDescriptor {
+        return @ptrCast(@constCast(c.CTFontCopyFontDescriptor(@ptrCast(self))));
+    }
+
+    pub fn copyFeatures(self: *Font) *foundation.Array {
+        return @ptrCast(@constCast(c.CTFontCopyFeatures(@ptrCast(self))));
+    }
+
+    pub fn copyDefaultCascadeListForLanguages(self: *Font) *foundation.Array {
+        return @ptrCast(@constCast(c.CTFontCopyDefaultCascadeListForLanguages(@ptrCast(self), null)));
+    }
+
+    pub fn copyTable(self: *Font, tag: FontTableTag) ?*foundation.Data {
+        return @ptrCast(@constCast(c.CTFontCopyTable(
+            @ptrCast(self),
+            @intFromEnum(tag),
+            c.kCTFontTableOptionNoOptions,
+        )));
+    }
+
+    pub fn getGlyphCount(self: *Font) usize {
+        return @intCast(c.CTFontGetGlyphCount(@ptrCast(self)));
+    }
+
+    pub fn getGlyphsForCharacters(self: *Font, chars: []const u16, glyphs: []graphics.Glyph) bool {
+        assert(chars.len == glyphs.len);
+        return c.CTFontGetGlyphsForCharacters(
+            @ptrCast(self),
+            chars.ptr,
+            glyphs.ptr,
+            @intCast(chars.len),
+        );
+    }
+
+    pub fn createPathForGlyph(self: *Font, glyph: graphics.Glyph) ?*graphics.Path {
+        return @ptrCast(@constCast(c.CTFontCreatePathForGlyph(
+            @ptrCast(self),
+            glyph,
+            null,
+        )));
+    }
+
+    pub fn drawGlyphs(
+        self: *Font,
+        glyphs: []const graphics.Glyph,
+        positions: []const graphics.Point,
+        context: anytype, // Must be some context type from graphics
+    ) void {
+        assert(positions.len == glyphs.len);
+        c.CTFontDrawGlyphs(
+            @ptrCast(self),
+            glyphs.ptr,
+            @ptrCast(positions.ptr),
+            glyphs.len,
+            @ptrCast(context),
+        );
+    }
+
+    pub fn getBoundingRectsForGlyphs(
+        self: *Font,
+        orientation: FontOrientation,
+        glyphs: []const graphics.Glyph,
+        rects: ?[]graphics.Rect,
+    ) graphics.Rect {
+        if (rects) |s| assert(glyphs.len == s.len);
+        return @bitCast(c.CTFontGetBoundingRectsForGlyphs(
+            @ptrCast(self),
+            @intFromEnum(orientation),
+            glyphs.ptr,
+            @ptrCast(if (rects) |s| s.ptr else null),
+            @intCast(glyphs.len),
+        ));
+    }
+
+    pub fn getAdvancesForGlyphs(
+        self: *Font,
+        orientation: FontOrientation,
+        glyphs: []const graphics.Glyph,
+        advances: ?[]graphics.Size,
+    ) f64 {
+        if (advances) |s| assert(glyphs.len == s.len);
+        return c.CTFontGetAdvancesForGlyphs(
+            @ptrCast(self),
+            @intFromEnum(orientation),
+            glyphs.ptr,
+            @ptrCast(if (advances) |s| s.ptr else null),
+            @intCast(glyphs.len),
+        );
+    }
+
+    pub fn copyAttribute(self: *Font, comptime attr: text.FontAttribute) ?attr.Value() {
+        return @ptrFromInt(@intFromPtr(c.CTFontCopyAttribute(
+            @ptrCast(self),
+            @ptrCast(attr.key()),
+        )));
+    }
+
+    pub fn copyFamilyName(self: *Font) *foundation.String {
+        return @ptrFromInt(@intFromPtr(c.CTFontCopyFamilyName(@ptrCast(self))));
+    }
+
+    pub fn copyDisplayName(self: *Font) *foundation.String {
+        return @ptrFromInt(@intFromPtr(c.CTFontCopyDisplayName(@ptrCast(self))));
+    }
+
+    pub fn copyPostScriptName(self: *Font) *foundation.String {
+        return @ptrFromInt(@intFromPtr(c.CTFontCopyPostScriptName(@ptrCast(self))));
+    }
+
+    pub fn getSymbolicTraits(self: *Font) text.FontSymbolicTraits {
+        return @bitCast(c.CTFontGetSymbolicTraits(@ptrCast(self)));
+    }
+
+    pub fn getAscent(self: *Font) f64 {
+        return c.CTFontGetAscent(@ptrCast(self));
+    }
+
+    pub fn getDescent(self: *Font) f64 {
+        return c.CTFontGetDescent(@ptrCast(self));
+    }
+
+    pub fn getLeading(self: *Font) f64 {
+        return c.CTFontGetLeading(@ptrCast(self));
+    }
+
+    pub fn getBoundingBox(self: *Font) graphics.Rect {
+        return @bitCast(c.CTFontGetBoundingBox(@ptrCast(self)));
+    }
+
+    pub fn getUnderlinePosition(self: *Font) f64 {
+        return c.CTFontGetUnderlinePosition(@ptrCast(self));
+    }
+
+    pub fn getUnderlineThickness(self: *Font) f64 {
+        return c.CTFontGetUnderlineThickness(@ptrCast(self));
+    }
+
+    pub fn getCapHeight(self: *Font) f64 {
+        return c.CTFontGetCapHeight(@ptrCast(self));
+    }
+
+    pub fn getXHeight(self: *Font) f64 {
+        return c.CTFontGetXHeight(@ptrCast(self));
+    }
+
+    pub fn getUnitsPerEm(self: *Font) u32 {
+        return c.CTFontGetUnitsPerEm(@ptrCast(self));
+    }
+
+    pub fn getSize(self: *Font) f64 {
+        return c.CTFontGetSize(@ptrCast(self));
+    }
+};
+
+pub const FontOrientation = enum(c_uint) {
+    default = c.kCTFontOrientationDefault,
+    horizontal = c.kCTFontOrientationHorizontal,
+    vertical = c.kCTFontOrientationVertical,
+};
+
+pub const FontTableTag = enum(u32) {
+    svg = c.kCTFontTableSVG,
+    os2 = c.kCTFontTableOS2,
+    head = c.kCTFontTableHead,
+    hhea = c.kCTFontTableHhea,
+    post = c.kCTFontTablePost,
+    _,
+
+    pub fn init(v: *const [4]u8) FontTableTag {
+        const raw: u32 = @bitCast(foundation.FourCharCode.init(v));
+        return @enumFromInt(raw);
+    }
+};
+
+test {
+    const testing = std.testing;
+
+    const name = try foundation.String.createWithBytes("Monaco", .utf8, false);
+    defer name.release();
+    const desc = try text.FontDescriptor.createWithNameAndSize(name, 12);
+    defer desc.release();
+
+    const font = try Font.createWithFontDescriptor(desc, 12);
+    defer font.release();
+
+    // Traits
+    {
+        const traits = font.getSymbolicTraits();
+        try testing.expect(!traits.color_glyphs);
+    }
+
+    var glyphs = [1]graphics.Glyph{0};
+    try testing.expect(font.getGlyphsForCharacters(
+        &[_]u16{'A'},
+        &glyphs,
+    ));
+    try testing.expect(glyphs[0] > 0);
+
+    // Bounding rect
+    {
+        var rect = font.getBoundingRectsForGlyphs(.horizontal, &glyphs, null);
+        try testing.expect(rect.size.width > 0);
+
+        var singles: [1]graphics.Rect = undefined;
+        rect = font.getBoundingRectsForGlyphs(.horizontal, &glyphs, &singles);
+        try testing.expect(rect.size.width > 0);
+        try testing.expect(singles[0].size.width > 0);
+    }
+
+    // Advances
+    {
+        var advance = font.getAdvancesForGlyphs(.horizontal, &glyphs, null);
+        try testing.expect(advance > 0);
+
+        var singles: [1]graphics.Size = undefined;
+        advance = font.getAdvancesForGlyphs(.horizontal, &glyphs, &singles);
+        try testing.expect(advance > 0);
+        try testing.expect(singles[0].width > 0);
+    }
+
+    // Draw
+    {
+        const cs = try graphics.ColorSpace.createDeviceGray();
+        defer cs.release();
+        const ctx = try graphics.BitmapContext.create(null, 80, 80, 8, 80, cs, 0);
+        const context = graphics.BitmapContext.context;
+        defer context.release(ctx);
+
+        var pos = [_]graphics.Point{.{ .x = 0, .y = 0 }};
+        font.drawGlyphs(
+            &glyphs,
+            &pos,
+            ctx,
+        );
+    }
+}
+
+test "copy" {
+    const name = try foundation.String.createWithBytes("Monaco", .utf8, false);
+    defer name.release();
+    const desc = try text.FontDescriptor.createWithNameAndSize(name, 12);
+    defer desc.release();
+
+    const font = try Font.createWithFontDescriptor(desc, 12);
+    defer font.release();
+
+    const f2 = try font.copyWithAttributes(14, null, null);
+    defer f2.release();
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/font_collection.zig b/vendor/libghostty-vt/pkg/macos/text/font_collection.zig
new file mode 100644
index 00000000..8b4a86a6
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/font_collection.zig
@@ -0,0 +1,139 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const FontCollection = opaque {
+    pub fn createFromAvailableFonts() Allocator.Error!*FontCollection {
+        return @as(
+            ?*FontCollection,
+            @ptrFromInt(@intFromPtr(c.CTFontCollectionCreateFromAvailableFonts(null))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createWithFontDescriptors(descs: *foundation.Array) Allocator.Error!*FontCollection {
+        return @as(
+            ?*FontCollection,
+            @ptrFromInt(@intFromPtr(c.CTFontCollectionCreateWithFontDescriptors(
+                @ptrCast(descs),
+                null,
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *FontCollection) void {
+        c.CFRelease(self);
+    }
+
+    pub fn createMatchingFontDescriptors(self: *FontCollection) *foundation.Array {
+        const result = c.CTFontCollectionCreateMatchingFontDescriptors(@ptrCast(self));
+        if (result) |ptr| return @ptrFromInt(@intFromPtr(ptr));
+
+        // If we have no results, we create an empty array. This is not
+        // exactly matching the Mac API. We can fix this later if we want
+        // but I chose this to make it slightly more Zig-like at the cost
+        // of some memory in the rare case.
+        return foundation.Array.create(anyopaque, &[_]*const anyopaque{}) catch unreachable;
+    }
+};
+
+fn debugDumpList(list: *foundation.Array) !void {
+    var i: usize = 0;
+    while (i < list.getCount()) : (i += 1) {
+        const desc = list.getValueAtIndex(text.FontDescriptor, i);
+        {
+            var buf: [128]u8 = undefined;
+            const name = desc.copyAttribute(.name);
+            defer name.release();
+            const cstr = name.cstring(&buf, .utf8).?;
+
+            var family_buf: [128]u8 = undefined;
+            const family = desc.copyAttribute(.family_name);
+            defer family.release();
+            const family_cstr = family.cstring(&family_buf, .utf8).?;
+
+            var buf2: [128]u8 = undefined;
+            const url = desc.copyAttribute(.url);
+            defer url.release();
+            const path = path: {
+                const blank = try foundation.String.createWithBytes("", .utf8, false);
+                defer blank.release();
+
+                const path = url.copyPath() orelse break :path "<no path>";
+                defer path.release();
+
+                const decoded = try foundation.URL.createStringByReplacingPercentEscapes(
+                    path,
+                    blank,
+                );
+                defer decoded.release();
+
+                break :path decoded.cstring(&buf2, .utf8) orelse
+                    "<path cannot be converted to string>";
+            };
+
+            std.log.warn("i={d} name={s} family={s} path={s}", .{ i, cstr, family_cstr, path });
+        }
+    }
+}
+
+test "collection" {
+    const testing = std.testing;
+
+    const v = try FontCollection.createFromAvailableFonts();
+    defer v.release();
+
+    const list = v.createMatchingFontDescriptors();
+    defer list.release();
+
+    try testing.expect(list.getCount() > 0);
+}
+
+test "from descriptors" {
+    const testing = std.testing;
+
+    const name = try foundation.String.createWithBytes("AppleColorEmoji", .utf8, false);
+    defer name.release();
+
+    const desc = try text.FontDescriptor.createWithNameAndSize(name, 12);
+    defer desc.release();
+
+    var desc_arr = [_]*const text.FontDescriptor{desc};
+    const arr = try foundation.Array.create(text.FontDescriptor, &desc_arr);
+    defer arr.release();
+
+    const v = try FontCollection.createWithFontDescriptors(arr);
+    defer v.release();
+
+    const list = v.createMatchingFontDescriptors();
+    defer list.release();
+
+    try testing.expect(list.getCount() > 0);
+
+    // try debugDumpList(list);
+}
+
+test "from descriptors no match" {
+    const testing = std.testing;
+
+    const name = try foundation.String.createWithBytes("ThisShouldNeverExist", .utf8, false);
+    defer name.release();
+
+    const desc = try text.FontDescriptor.createWithNameAndSize(name, 12);
+    defer desc.release();
+
+    var desc_arr = [_]*const text.FontDescriptor{desc};
+    const arr = try foundation.Array.create(text.FontDescriptor, &desc_arr);
+    defer arr.release();
+
+    const v = try FontCollection.createWithFontDescriptors(arr);
+    defer v.release();
+
+    const list = v.createMatchingFontDescriptors();
+    defer list.release();
+
+    try testing.expect(list.getCount() == 0);
+
+    //try debugDumpList(list);
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/font_descriptor.zig b/vendor/libghostty-vt/pkg/macos/text/font_descriptor.zig
new file mode 100644
index 00000000..563165bc
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/font_descriptor.zig
@@ -0,0 +1,287 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const FontDescriptor = opaque {
+    pub fn createWithNameAndSize(name: *foundation.String, size: f64) Allocator.Error!*FontDescriptor {
+        return @as(
+            ?*FontDescriptor,
+            @ptrFromInt(@intFromPtr(c.CTFontDescriptorCreateWithNameAndSize(@ptrCast(name), size))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createWithAttributes(dict: *foundation.Dictionary) Allocator.Error!*FontDescriptor {
+        return @as(
+            ?*FontDescriptor,
+            @ptrFromInt(@intFromPtr(c.CTFontDescriptorCreateWithAttributes(@ptrCast(dict)))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createCopyWithAttributes(
+        original: *FontDescriptor,
+        dict: *foundation.Dictionary,
+    ) Allocator.Error!*FontDescriptor {
+        return @as(
+            ?*FontDescriptor,
+            @ptrFromInt(@intFromPtr(c.CTFontDescriptorCreateCopyWithAttributes(
+                @ptrCast(original),
+                @ptrCast(dict),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn createCopyWithVariation(
+        original: *FontDescriptor,
+        id: *foundation.Number,
+        value: f64,
+    ) Allocator.Error!*FontDescriptor {
+        return @as(
+            ?*FontDescriptor,
+            @ptrCast(@constCast(c.CTFontDescriptorCreateCopyWithVariation(
+                @ptrCast(original),
+                @ptrCast(id),
+                value,
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn retain(self: *FontDescriptor) void {
+        _ = c.CFRetain(self);
+    }
+
+    pub fn release(self: *FontDescriptor) void {
+        c.CFRelease(self);
+    }
+
+    pub fn copyAttribute(self: *const FontDescriptor, comptime attr: FontAttribute) ?attr.Value() {
+        return @ptrFromInt(@intFromPtr(c.CTFontDescriptorCopyAttribute(
+            @ptrCast(self),
+            @ptrCast(attr.key()),
+        )));
+    }
+
+    pub fn copyAttributes(self: *const FontDescriptor) *foundation.Dictionary {
+        return @ptrFromInt(@intFromPtr(c.CTFontDescriptorCopyAttributes(
+            @ptrCast(self),
+        )));
+    }
+};
+
+pub const FontAttribute = enum {
+    url,
+    name,
+    display_name,
+    family_name,
+    style_name,
+    traits,
+    variation,
+    size,
+    matrix,
+    cascade_list,
+    character_set,
+    languages,
+    baseline_adjust,
+    macintosh_encodings,
+    features,
+    feature_settings,
+    fixed_advance,
+    orientation,
+    format,
+    registration_scope,
+    priority,
+    enabled,
+    downloadable,
+    downloaded,
+
+    // https://developer.apple.com/documentation/coretext/core_text_constants?language=objc
+    variation_axes,
+
+    pub fn key(self: FontAttribute) *foundation.String {
+        return @as(*foundation.String, @ptrFromInt(@intFromPtr(switch (self) {
+            .url => c.kCTFontURLAttribute,
+            .name => c.kCTFontNameAttribute,
+            .display_name => c.kCTFontDisplayNameAttribute,
+            .family_name => c.kCTFontFamilyNameAttribute,
+            .style_name => c.kCTFontStyleNameAttribute,
+            .traits => c.kCTFontTraitsAttribute,
+            .variation => c.kCTFontVariationAttribute,
+            .size => c.kCTFontSizeAttribute,
+            .matrix => c.kCTFontMatrixAttribute,
+            .cascade_list => c.kCTFontCascadeListAttribute,
+            .character_set => c.kCTFontCharacterSetAttribute,
+            .languages => c.kCTFontLanguagesAttribute,
+            .baseline_adjust => c.kCTFontBaselineAdjustAttribute,
+            .macintosh_encodings => c.kCTFontMacintoshEncodingsAttribute,
+            .features => c.kCTFontFeaturesAttribute,
+            .feature_settings => c.kCTFontFeatureSettingsAttribute,
+            .fixed_advance => c.kCTFontFixedAdvanceAttribute,
+            .orientation => c.kCTFontOrientationAttribute,
+            .format => c.kCTFontFormatAttribute,
+            .registration_scope => c.kCTFontRegistrationScopeAttribute,
+            .priority => c.kCTFontPriorityAttribute,
+            .enabled => c.kCTFontEnabledAttribute,
+            .downloadable => c.kCTFontDownloadableAttribute,
+            .downloaded => c.kCTFontDownloadedAttribute,
+            .variation_axes => c.kCTFontVariationAxesAttribute,
+        })));
+    }
+
+    pub fn Value(comptime self: FontAttribute) type {
+        return switch (self) {
+            .url => *foundation.URL,
+            .name => *foundation.String,
+            .display_name => *foundation.String,
+            .family_name => *foundation.String,
+            .style_name => *foundation.String,
+            .traits => *foundation.Dictionary,
+            .variation => *foundation.Dictionary,
+            .size => *foundation.Number,
+            .matrix => *anyopaque, // CFDataRef
+            .cascade_list => *foundation.Array,
+            .character_set => *anyopaque, // CFCharacterSetRef
+            .languages => *foundation.Array,
+            .baseline_adjust => *foundation.Number,
+            .macintosh_encodings => *foundation.Number,
+            .features => *foundation.Array,
+            .feature_settings => *foundation.Array,
+            .fixed_advance => *foundation.Number,
+            .orientation => *foundation.Number,
+            .format => *foundation.Number,
+            .registration_scope => *foundation.Number,
+            .priority => *foundation.Number,
+            .enabled => *foundation.Number,
+            .downloadable => *anyopaque, // CFBoolean
+            .downloaded => *anyopaque, // CFBoolean
+            .variation_axes => *foundation.Array,
+        };
+    }
+};
+
+pub const FontTraitKey = enum {
+    symbolic,
+    weight,
+    width,
+    slant,
+
+    pub fn key(self: FontTraitKey) *foundation.String {
+        return @as(*foundation.String, @ptrFromInt(@intFromPtr(switch (self) {
+            .symbolic => c.kCTFontSymbolicTrait,
+            .weight => c.kCTFontWeightTrait,
+            .width => c.kCTFontWidthTrait,
+            .slant => c.kCTFontSlantTrait,
+        })));
+    }
+
+    pub fn Value(self: FontTraitKey) type {
+        return switch (self) {
+            .symbolic => *foundation.Number,
+            .weight => *foundation.Number,
+            .width => *foundation.Number,
+            .slant => *foundation.Number,
+        };
+    }
+};
+
+// https://developer.apple.com/documentation/coretext/ctfont/font_variation_axis_dictionary_keys?language=objc
+pub const FontVariationAxisKey = enum {
+    identifier,
+    minimum_value,
+    maximum_value,
+    default_value,
+    name,
+    hidden,
+
+    pub fn key(self: FontVariationAxisKey) *foundation.String {
+        return @as(*foundation.String, @ptrFromInt(@intFromPtr(switch (self) {
+            .identifier => c.kCTFontVariationAxisIdentifierKey,
+            .minimum_value => c.kCTFontVariationAxisMinimumValueKey,
+            .maximum_value => c.kCTFontVariationAxisMaximumValueKey,
+            .default_value => c.kCTFontVariationAxisDefaultValueKey,
+            .name => c.kCTFontVariationAxisNameKey,
+            .hidden => c.kCTFontVariationAxisHiddenKey,
+        })));
+    }
+
+    pub fn Value(comptime self: FontVariationAxisKey) type {
+        return switch (self) {
+            .identifier => foundation.Number,
+            .minimum_value => foundation.Number,
+            .maximum_value => foundation.Number,
+            .default_value => foundation.Number,
+            .name => foundation.String,
+            .hidden => foundation.Number,
+        };
+    }
+};
+
+pub const FontSymbolicTraits = packed struct(u32) {
+    italic: bool = false,
+    bold: bool = false,
+    _unused1: u3 = 0,
+    expanded: bool = false,
+    condensed: bool = false,
+    _unused2: u3 = 0,
+    monospace: bool = false,
+    vertical: bool = false,
+    ui_optimized: bool = false,
+    color_glyphs: bool = false,
+    composite: bool = false,
+    _padding: u17 = 0,
+
+    pub fn init(num: *foundation.Number) FontSymbolicTraits {
+        var raw: i32 = undefined;
+        _ = num.getValue(.sint32, &raw);
+        return @as(FontSymbolicTraits, @bitCast(raw));
+    }
+
+    test {
+        try std.testing.expectEqual(
+            @bitSizeOf(c.CTFontSymbolicTraits),
+            @bitSizeOf(FontSymbolicTraits),
+        );
+    }
+
+    test "bitcast" {
+        const actual: c.CTFontSymbolicTraits = c.kCTFontTraitMonoSpace | c.kCTFontTraitExpanded;
+        const expected: FontSymbolicTraits = .{
+            .monospace = true,
+            .expanded = true,
+        };
+
+        try std.testing.expectEqual(actual, @as(c.CTFontSymbolicTraits, @bitCast(expected)));
+    }
+
+    test "number" {
+        const raw: i32 = c.kCTFontTraitMonoSpace | c.kCTFontTraitExpanded;
+        const num = try foundation.Number.create(.sint32, &raw);
+        defer num.release();
+
+        const expected: FontSymbolicTraits = .{ .monospace = true, .expanded = true };
+        const actual = FontSymbolicTraits.init(num);
+        try std.testing.expect(std.meta.eql(expected, actual));
+    }
+};
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
+
+test "descriptor" {
+    const testing = std.testing;
+
+    const name = try foundation.String.createWithBytes("foo", .utf8, false);
+    defer name.release();
+
+    const v = try FontDescriptor.createWithNameAndSize(name, 12);
+    defer v.release();
+
+    const copy_name = v.copyAttribute(.name).?;
+    defer copy_name.release();
+
+    {
+        var buf: [128]u8 = undefined;
+        const cstr = copy_name.cstring(&buf, .utf8).?;
+        try testing.expectEqualStrings("foo", cstr);
+    }
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/font_manager.zig b/vendor/libghostty-vt/pkg/macos/text/font_manager.zig
new file mode 100644
index 00000000..988da122
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/font_manager.zig
@@ -0,0 +1,23 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const FontDescriptor = @import("./font_descriptor.zig").FontDescriptor;
+const c = @import("c.zig").c;
+
+pub fn createFontDescriptorsFromURL(url: *foundation.URL) ?*foundation.Array {
+    return @ptrFromInt(@intFromPtr(c.CTFontManagerCreateFontDescriptorsFromURL(
+        @ptrCast(url),
+    )));
+}
+
+pub fn createFontDescriptorsFromData(data: *foundation.Data) ?*foundation.Array {
+    return @ptrFromInt(@intFromPtr(c.CTFontManagerCreateFontDescriptorsFromData(
+        @ptrCast(data),
+    )));
+}
+
+pub fn createFontDescriptorFromData(data: *foundation.Data) ?*FontDescriptor {
+    return @ptrFromInt(@intFromPtr(c.CTFontManagerCreateFontDescriptorFromData(
+        @ptrCast(data),
+    )));
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/frame.zig b/vendor/libghostty-vt/pkg/macos/text/frame.zig
new file mode 100644
index 00000000..979134a1
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/frame.zig
@@ -0,0 +1,33 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const Frame = opaque {
+    pub fn release(self: *Frame) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn getLineOrigins(
+        self: *Frame,
+        range: foundation.Range,
+        points: []graphics.Point,
+    ) void {
+        c.CTFrameGetLineOrigins(
+            @ptrCast(self),
+            @bitCast(range),
+            @ptrCast(points.ptr),
+        );
+    }
+
+    pub fn getLines(self: *Frame) *foundation.Array {
+        return @ptrFromInt(@intFromPtr(c.CTFrameGetLines(@ptrCast(self))));
+    }
+};
+
+test {
+    // See framesetter tests...
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/framesetter.zig b/vendor/libghostty-vt/pkg/macos/text/framesetter.zig
new file mode 100644
index 00000000..dbd82762
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/framesetter.zig
@@ -0,0 +1,66 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const Framesetter = opaque {
+    pub fn createWithAttributedString(str: *foundation.AttributedString) Allocator.Error!*Framesetter {
+        return @as(
+            ?*Framesetter,
+            @ptrFromInt(@intFromPtr(c.CTFramesetterCreateWithAttributedString(
+                @ptrCast(str),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Framesetter) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn createFrame(
+        self: *Framesetter,
+        range: foundation.Range,
+        path: *graphics.Path,
+        attrs: ?*foundation.Dictionary,
+    ) !*text.Frame {
+        return @as(
+            ?*text.Frame,
+            @ptrFromInt(@intFromPtr(c.CTFramesetterCreateFrame(
+                @ptrCast(self),
+                @bitCast(range),
+                @ptrCast(path),
+                @ptrCast(attrs),
+            ))),
+        ) orelse error.FrameCreateFailed;
+    }
+};
+
+test {
+    const str = try foundation.MutableAttributedString.create(0);
+    defer str.release();
+    {
+        const rep = try foundation.String.createWithBytes("hello", .utf8, false);
+        defer rep.release();
+        str.replaceString(foundation.Range.init(0, 0), rep);
+    }
+
+    const fs = try Framesetter.createWithAttributedString(@ptrCast(str));
+    defer fs.release();
+
+    const path = try graphics.Path.createWithRect(graphics.Rect.init(0, 0, 100, 200), null);
+    defer path.release();
+    const frame = try fs.createFrame(
+        foundation.Range.init(0, 0),
+        path,
+        null,
+    );
+    defer frame.release();
+
+    {
+        var points: [1]graphics.Point = undefined;
+        frame.getLineOrigins(foundation.Range.init(0, 1), &points);
+    }
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/line.zig b/vendor/libghostty-vt/pkg/macos/text/line.zig
new file mode 100644
index 00000000..248f8e64
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/line.zig
@@ -0,0 +1,123 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const Line = opaque {
+    pub fn createWithAttributedString(str: *foundation.AttributedString) Allocator.Error!*Line {
+        return @as(
+            ?*Line,
+            @ptrFromInt(@intFromPtr(c.CTLineCreateWithAttributedString(
+                @ptrCast(str),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Line) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn getGlyphCount(self: *Line) usize {
+        return @intCast(c.CTLineGetGlyphCount(
+            @ptrCast(self),
+        ));
+    }
+
+    pub fn getBoundsWithOptions(
+        self: *Line,
+        opts: LineBoundsOptions,
+    ) graphics.Rect {
+        return @bitCast(c.CTLineGetBoundsWithOptions(
+            @ptrCast(self),
+            @bitCast(opts),
+        ));
+    }
+
+    pub fn getTypographicBounds(
+        self: *Line,
+        ascent: ?*f64,
+        descent: ?*f64,
+        leading: ?*f64,
+    ) f64 {
+        return c.CTLineGetTypographicBounds(
+            @ptrCast(self),
+            ascent,
+            descent,
+            leading,
+        );
+    }
+
+    pub fn getGlyphRuns(self: *Line) *foundation.Array {
+        return @ptrCast(@constCast(c.CTLineGetGlyphRuns(@ptrCast(self))));
+    }
+};
+
+pub const LineBoundsOptions = packed struct {
+    exclude_leading: bool = false,
+    exclude_shifts: bool = false,
+    hanging_punctuation: bool = false,
+    glyph_path_bounds: bool = false,
+    use_optical_bounds: bool = false,
+    language_extents: bool = false,
+    _padding: u58 = 0,
+
+    test {
+        try std.testing.expectEqual(
+            @bitSizeOf(c.CTLineBoundsOptions),
+            @bitSizeOf(LineBoundsOptions),
+        );
+    }
+
+    test "bitcast" {
+        const actual: c.CTLineBoundsOptions = c.kCTLineBoundsExcludeTypographicShifts |
+            c.kCTLineBoundsUseOpticalBounds;
+        const expected: LineBoundsOptions = .{
+            .exclude_shifts = true,
+            .use_optical_bounds = true,
+        };
+
+        try std.testing.expectEqual(actual, @as(c.CTLineBoundsOptions, @bitCast(expected)));
+    }
+};
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
+
+test "line" {
+    const testing = std.testing;
+
+    const font = font: {
+        const name = try foundation.String.createWithBytes("Monaco", .utf8, false);
+        defer name.release();
+        const desc = try text.FontDescriptor.createWithNameAndSize(name, 12);
+        defer desc.release();
+
+        break :font try text.Font.createWithFontDescriptor(desc, 12);
+    };
+    defer font.release();
+
+    const rep = try foundation.String.createWithBytes("hello", .utf8, false);
+    defer rep.release();
+    const str = try foundation.MutableAttributedString.create(rep.getLength());
+    defer str.release();
+    str.replaceString(foundation.Range.init(0, 0), rep);
+    str.setAttribute(
+        foundation.Range.init(0, rep.getLength()),
+        text.StringAttribute.font,
+        font,
+    );
+
+    const line = try Line.createWithAttributedString(@as(*foundation.AttributedString, @ptrCast(str)));
+    defer line.release();
+
+    try testing.expectEqual(@as(usize, 5), line.getGlyphCount());
+
+    // TODO: this is a garbage value but should work...
+    const bounds = line.getBoundsWithOptions(.{});
+    _ = bounds;
+    //std.log.warn("bounds={}", .{bounds});
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/paragraph_style.zig b/vendor/libghostty-vt/pkg/macos/text/paragraph_style.zig
new file mode 100644
index 00000000..f1d7fe95
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/paragraph_style.zig
@@ -0,0 +1,49 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+// https://developer.apple.com/documentation/coretext/ctparagraphstyle?language=objc
+pub const ParagraphStyle = opaque {
+    pub fn create(
+        settings: []const ParagraphStyleSetting,
+    ) Allocator.Error!*ParagraphStyle {
+        return @ptrCast(@constCast(c.CTParagraphStyleCreate(
+            @ptrCast(settings.ptr),
+            settings.len,
+        )));
+    }
+
+    pub fn release(self: *ParagraphStyle) void {
+        foundation.CFRelease(self);
+    }
+};
+
+/// https://developer.apple.com/documentation/coretext/ctparagraphstylesetting?language=objc
+pub const ParagraphStyleSetting = extern struct {
+    spec: ParagraphStyleSpecifier,
+    value_size: usize,
+    value: *const anyopaque,
+};
+
+/// https://developer.apple.com/documentation/coretext/ctparagraphstylespecifier?language=objc
+pub const ParagraphStyleSpecifier = enum(c_uint) {
+    base_writing_direction = 13,
+};
+
+/// https://developer.apple.com/documentation/uikit/nswritingdirectionattributename?language=objc
+pub const WritingDirection = enum(c_int) {
+    natural = -1,
+    ltr = 0,
+    rtl = 1,
+    lro = 2,
+    rlo = 3,
+};
+
+test ParagraphStyle {
+    const p = try ParagraphStyle.create(&.{});
+    defer p.release();
+}
diff --git a/vendor/libghostty-vt/pkg/macos/text/run.zig b/vendor/libghostty-vt/pkg/macos/text/run.zig
new file mode 100644
index 00000000..2895bfe3
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/run.zig
@@ -0,0 +1,117 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const Run = opaque {
+    pub fn release(self: *Run) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn getGlyphCount(self: *Run) usize {
+        return @intCast(c.CTRunGetGlyphCount(@ptrCast(self)));
+    }
+
+    pub fn getGlyphsPtr(self: *Run) ?[]const graphics.Glyph {
+        const len = self.getGlyphCount();
+        if (len == 0) return &.{};
+        const ptr: [*c]const graphics.Glyph = @ptrCast(
+            c.CTRunGetGlyphsPtr(@ptrCast(self)),
+        );
+        if (ptr == null) return null;
+        return ptr[0..len];
+    }
+
+    pub fn getGlyphs(self: *Run, alloc: Allocator) ![]const graphics.Glyph {
+        const len = self.getGlyphCount();
+        const ptr = try alloc.alloc(graphics.Glyph, len);
+        errdefer alloc.free(ptr);
+        c.CTRunGetGlyphs(
+            @ptrCast(self),
+            .{ .location = 0, .length = 0 },
+            @ptrCast(ptr.ptr),
+        );
+        return ptr;
+    }
+
+    pub fn getPositionsPtr(self: *Run) ?[]const graphics.Point {
+        const len = self.getGlyphCount();
+        if (len == 0) return &.{};
+        const ptr: [*c]const graphics.Point = @ptrCast(
+            c.CTRunGetPositionsPtr(@ptrCast(self)),
+        );
+        if (ptr == null) return null;
+        return ptr[0..len];
+    }
+
+    pub fn getPositions(self: *Run, alloc: Allocator) ![]const graphics.Point {
+        const len = self.getGlyphCount();
+        const ptr = try alloc.alloc(graphics.Point, len);
+        errdefer alloc.free(ptr);
+        c.CTRunGetPositions(
+            @ptrCast(self),
+            .{ .location = 0, .length = 0 },
+            @ptrCast(ptr.ptr),
+        );
+        return ptr;
+    }
+
+    pub fn getAdvancesPtr(self: *Run) ?[]const graphics.Size {
+        const len = self.getGlyphCount();
+        if (len == 0) return &.{};
+        const ptr: [*c]const graphics.Size = @ptrCast(
+            c.CTRunGetAdvancesPtr(@ptrCast(self)),
+        );
+        if (ptr == null) return null;
+        return ptr[0..len];
+    }
+
+    pub fn getAdvances(self: *Run, alloc: Allocator) ![]const graphics.Size {
+        const len = self.getGlyphCount();
+        const ptr = try alloc.alloc(graphics.Size, len);
+        errdefer alloc.free(ptr);
+        c.CTRunGetAdvances(
+            @ptrCast(self),
+            .{ .location = 0, .length = 0 },
+            @ptrCast(ptr.ptr),
+        );
+        return ptr;
+    }
+
+    pub fn getStringIndicesPtr(self: *Run) ?[]const usize {
+        const len = self.getGlyphCount();
+        if (len == 0) return &.{};
+        const ptr: [*c]const usize = @ptrCast(
+            c.CTRunGetStringIndicesPtr(@ptrCast(self)),
+        );
+        if (ptr == null) return null;
+        return ptr[0..len];
+    }
+
+    pub fn getStringIndices(self: *Run, alloc: Allocator) ![]const usize {
+        const len = self.getGlyphCount();
+        const ptr = try alloc.alloc(usize, len);
+        errdefer alloc.free(ptr);
+        c.CTRunGetStringIndices(
+            @ptrCast(self),
+            .{ .location = 0, .length = 0 },
+            @ptrCast(ptr.ptr),
+        );
+        return ptr;
+    }
+
+    pub fn getStatus(self: *Run) Status {
+        return @bitCast(c.CTRunGetStatus(@ptrCast(self)));
+    }
+};
+
+/// https://developer.apple.com/documentation/coretext/ctrunstatus?language=objc
+pub const Status = packed struct(u32) {
+    right_to_left: bool,
+    non_monotonic: bool,
+    has_non_identity_matrix: bool,
+    _pad: u29 = 0,
+};
diff --git a/vendor/libghostty-vt/pkg/macos/text/stylized_strings.zig b/vendor/libghostty-vt/pkg/macos/text/stylized_strings.zig
new file mode 100644
index 00000000..8e262f9a
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/stylized_strings.zig
@@ -0,0 +1,16 @@
+const foundation = @import("../foundation.zig");
+const c = @import("c.zig").c;
+
+pub const StringAttribute = enum {
+    font,
+    paragraph_style,
+    writing_direction,
+
+    pub fn key(self: StringAttribute) *foundation.String {
+        return @ptrFromInt(@intFromPtr(switch (self) {
+            .font => c.kCTFontAttributeName,
+            .paragraph_style => c.kCTParagraphStyleAttributeName,
+            .writing_direction => c.kCTWritingDirectionAttributeName,
+        }));
+    }
+};
diff --git a/vendor/libghostty-vt/pkg/macos/text/typesetter.zig b/vendor/libghostty-vt/pkg/macos/text/typesetter.zig
new file mode 100644
index 00000000..dc07df98
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/typesetter.zig
@@ -0,0 +1,36 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+pub const Typesetter = opaque {
+    pub fn createWithAttributedStringAndOptions(
+        str: *foundation.AttributedString,
+        opts: *foundation.Dictionary,
+    ) Allocator.Error!*Typesetter {
+        return @as(
+            ?*Typesetter,
+            @ptrFromInt(@intFromPtr(c.CTTypesetterCreateWithAttributedStringAndOptions(
+                @ptrCast(str),
+                @ptrCast(opts),
+            ))),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Typesetter) void {
+        foundation.CFRelease(self);
+    }
+
+    pub fn createLine(
+        self: *Typesetter,
+        range: foundation.c.CFRange,
+    ) *text.Line {
+        return @ptrFromInt(@intFromPtr(c.CTTypesetterCreateLine(
+            @ptrCast(self),
+            range,
+        )));
+    }
+};
diff --git a/vendor/libghostty-vt/pkg/macos/video.zig b/vendor/libghostty-vt/pkg/macos/video.zig
new file mode 100644
index 00000000..d0b1125a
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/video.zig
@@ -0,0 +1,10 @@
+const display_link = @import("video/display_link.zig");
+const pixel_format = @import("video/pixel_format.zig");
+
+pub const c = @import("video/c.zig").c;
+pub const DisplayLink = display_link.DisplayLink;
+pub const PixelFormat = pixel_format.PixelFormat;
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/vendor/libghostty-vt/pkg/macos/video/c.zig b/vendor/libghostty-vt/pkg/macos/video/c.zig
new file mode 100644
index 00000000..1a7d1627
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/video/c.zig
@@ -0,0 +1 @@
+pub const c = @import("../main.zig").c;
diff --git a/vendor/libghostty-vt/pkg/macos/video/display_link.zig b/vendor/libghostty-vt/pkg/macos/video/display_link.zig
new file mode 100644
index 00000000..7d6b437f
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/video/display_link.zig
@@ -0,0 +1,86 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const c = @import("c.zig").c;
+
+pub const DisplayLink = opaque {
+    pub const Error = error{
+        InvalidOperation,
+    };
+
+    pub fn createWithActiveCGDisplays() Allocator.Error!*DisplayLink {
+        var result: ?*DisplayLink = null;
+        if (c.CVDisplayLinkCreateWithActiveCGDisplays(
+            @ptrCast(&result),
+        ) != c.kCVReturnSuccess)
+            return error.OutOfMemory;
+
+        return result orelse error.OutOfMemory;
+    }
+
+    pub fn release(self: *DisplayLink) void {
+        c.CVDisplayLinkRelease(@ptrCast(self));
+    }
+
+    pub fn start(self: *DisplayLink) Error!void {
+        if (c.CVDisplayLinkStart(@ptrCast(self)) != c.kCVReturnSuccess)
+            return error.InvalidOperation;
+    }
+
+    pub fn stop(self: *DisplayLink) Error!void {
+        if (c.CVDisplayLinkStop(@ptrCast(self)) != c.kCVReturnSuccess)
+            return error.InvalidOperation;
+    }
+
+    pub fn isRunning(self: *DisplayLink) bool {
+        return c.CVDisplayLinkIsRunning(@ptrCast(self)) != 0;
+    }
+
+    pub fn setCurrentCGDisplay(
+        self: *DisplayLink,
+        display_id: c.CGDirectDisplayID,
+    ) Error!void {
+        if (c.CVDisplayLinkSetCurrentCGDisplay(
+            @ptrCast(self),
+            display_id,
+        ) != c.kCVReturnSuccess)
+            return error.InvalidOperation;
+    }
+
+    // Note: this purposely throws away a ton of arguments I didn't need.
+    // It would be trivial to refactor this into Zig types and properly
+    // pass this through.
+    pub fn setOutputCallback(
+        self: *DisplayLink,
+        comptime Userdata: type,
+        comptime callbackFn: *const fn (*DisplayLink, ?*Userdata) void,
+        userinfo: ?*Userdata,
+    ) Error!void {
+        if (c.CVDisplayLinkSetOutputCallback(
+            @ptrCast(self),
+            @ptrCast(&(struct {
+                fn callback(
+                    displayLink: *DisplayLink,
+                    inNow: *const c.CVTimeStamp,
+                    inOutputTime: *const c.CVTimeStamp,
+                    flagsIn: c.CVOptionFlags,
+                    flagsOut: *c.CVOptionFlags,
+                    inner_userinfo: ?*anyopaque,
+                ) callconv(.c) c.CVReturn {
+                    _ = inNow;
+                    _ = inOutputTime;
+                    _ = flagsIn;
+                    _ = flagsOut;
+
+                    callbackFn(
+                        displayLink,
+                        @ptrCast(@alignCast(inner_userinfo)),
+                    );
+                    return c.kCVReturnSuccess;
+                }
+            }).callback),
+            userinfo,
+        ) != c.kCVReturnSuccess)
+            return error.InvalidOperation;
+    }
+};
diff --git a/vendor/libghostty-vt/pkg/macos/video/pixel_format.zig b/vendor/libghostty-vt/pkg/macos/video/pixel_format.zig
new file mode 100644
index 00000000..78091daa
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/video/pixel_format.zig
@@ -0,0 +1,171 @@
+const c = @import("c.zig").c;
+
+pub const PixelFormat = enum(c_int) {
+    /// 1 bit indexed
+    @"1Monochrome" = c.kCVPixelFormatType_1Monochrome,
+    /// 2 bit indexed
+    @"2Indexed" = c.kCVPixelFormatType_2Indexed,
+    /// 4 bit indexed
+    @"4Indexed" = c.kCVPixelFormatType_4Indexed,
+    /// 8 bit indexed
+    @"8Indexed" = c.kCVPixelFormatType_8Indexed,
+    /// 1 bit indexed gray, white is zero
+    @"1IndexedGray_WhiteIsZero" = c.kCVPixelFormatType_1IndexedGray_WhiteIsZero,
+    /// 2 bit indexed gray, white is zero
+    @"2IndexedGray_WhiteIsZero" = c.kCVPixelFormatType_2IndexedGray_WhiteIsZero,
+    /// 4 bit indexed gray, white is zero
+    @"4IndexedGray_WhiteIsZero" = c.kCVPixelFormatType_4IndexedGray_WhiteIsZero,
+    /// 8 bit indexed gray, white is zero
+    @"8IndexedGray_WhiteIsZero" = c.kCVPixelFormatType_8IndexedGray_WhiteIsZero,
+    /// 16 bit BE RGB 555
+    @"16BE555" = c.kCVPixelFormatType_16BE555,
+    /// 16 bit LE RGB 555
+    @"16LE555" = c.kCVPixelFormatType_16LE555,
+    /// 16 bit LE RGB 5551
+    @"16LE5551" = c.kCVPixelFormatType_16LE5551,
+    /// 16 bit BE RGB 565
+    @"16BE565" = c.kCVPixelFormatType_16BE565,
+    /// 16 bit LE RGB 565
+    @"16LE565" = c.kCVPixelFormatType_16LE565,
+    /// 24 bit RGB
+    @"24RGB" = c.kCVPixelFormatType_24RGB,
+    /// 24 bit BGR
+    @"24BGR" = c.kCVPixelFormatType_24BGR,
+    /// 32 bit ARGB
+    @"32ARGB" = c.kCVPixelFormatType_32ARGB,
+    /// 32 bit BGRA
+    @"32BGRA" = c.kCVPixelFormatType_32BGRA,
+    /// 32 bit ABGR
+    @"32ABGR" = c.kCVPixelFormatType_32ABGR,
+    /// 32 bit RGBA
+    @"32RGBA" = c.kCVPixelFormatType_32RGBA,
+    /// 64 bit ARGB, 16-bit big-endian samples
+    @"64ARGB" = c.kCVPixelFormatType_64ARGB,
+    /// 64 bit RGBA, 16-bit little-endian full-range (0-65535) samples
+    @"64RGBALE" = c.kCVPixelFormatType_64RGBALE,
+    /// 48 bit RGB, 16-bit big-endian samples
+    @"48RGB" = c.kCVPixelFormatType_48RGB,
+    /// 32 bit AlphaGray, 16-bit big-endian samples, black is zero
+    @"32AlphaGray" = c.kCVPixelFormatType_32AlphaGray,
+    /// 16 bit Grayscale, 16-bit big-endian samples, black is zero
+    @"16Gray" = c.kCVPixelFormatType_16Gray,
+    /// 30 bit RGB, 10-bit big-endian samples, 2 unused padding bits (at least significant end).
+    @"30RGB" = c.kCVPixelFormatType_30RGB,
+    /// 30 bit RGB, 10-bit big-endian samples, 2 unused padding bits (at most significant end), video-range (64-940).
+    @"30RGB_r210" = c.kCVPixelFormatType_30RGB_r210,
+    /// Component Y'CbCr 8-bit 4:2:2, ordered Cb Y'0 Cr Y'1
+    @"422YpCbCr8" = c.kCVPixelFormatType_422YpCbCr8,
+    /// Component Y'CbCrA 8-bit 4:4:4:4, ordered Cb Y' Cr A
+    @"4444YpCbCrA8" = c.kCVPixelFormatType_4444YpCbCrA8,
+    /// Component Y'CbCrA 8-bit 4:4:4:4, rendering format. full range alpha, zero biased YUV, ordered A Y' Cb Cr
+    @"4444YpCbCrA8R" = c.kCVPixelFormatType_4444YpCbCrA8R,
+    /// Component Y'CbCrA 8-bit 4:4:4:4, ordered A Y' Cb Cr, full range alpha, video range Y'CbCr.
+    @"4444AYpCbCr8" = c.kCVPixelFormatType_4444AYpCbCr8,
+    /// Component Y'CbCrA 16-bit 4:4:4:4, ordered A Y' Cb Cr, full range alpha, video range Y'CbCr, 16-bit little-endian samples.
+    @"4444AYpCbCr16" = c.kCVPixelFormatType_4444AYpCbCr16,
+    /// Component AY'CbCr single precision floating-point 4:4:4:4
+    @"4444AYpCbCrFloat" = c.kCVPixelFormatType_4444AYpCbCrFloat,
+    /// Component Y'CbCr 8-bit 4:4:4, ordered Cr Y' Cb, video range Y'CbCr
+    @"444YpCbCr8" = c.kCVPixelFormatType_444YpCbCr8,
+    /// Component Y'CbCr 10,12,14,16-bit 4:2:2
+    @"422YpCbCr16" = c.kCVPixelFormatType_422YpCbCr16,
+    /// Component Y'CbCr 10-bit 4:2:2
+    @"422YpCbCr10" = c.kCVPixelFormatType_422YpCbCr10,
+    /// Component Y'CbCr 10-bit 4:4:4
+    @"444YpCbCr10" = c.kCVPixelFormatType_444YpCbCr10,
+    /// Planar Component Y'CbCr 8-bit 4:2:0.  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrPlanar struct
+    @"420YpCbCr8Planar" = c.kCVPixelFormatType_420YpCbCr8Planar,
+    /// Planar Component Y'CbCr 8-bit 4:2:0, full range.  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrPlanar struct
+    @"420YpCbCr8PlanarFullRange" = c.kCVPixelFormatType_420YpCbCr8PlanarFullRange,
+    /// First plane: Video-range Component Y'CbCr 8-bit 4:2:2, ordered Cb Y'0 Cr Y'1; second plane: alpha 8-bit 0-255
+    @"422YpCbCr_4A_8BiPlanar" = c.kCVPixelFormatType_422YpCbCr_4A_8BiPlanar,
+    /// Bi-Planar Component Y'CbCr 8-bit 4:2:0, video-range (luma=[16,235] chroma=[16,240]).  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrBiPlanar struct
+    @"420YpCbCr8BiPlanarVideoRange" = c.kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange,
+    /// Bi-Planar Component Y'CbCr 8-bit 4:2:0, full-range (luma=[0,255] chroma=[1,255]).  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrBiPlanar struct
+    @"420YpCbCr8BiPlanarFullRange" = c.kCVPixelFormatType_420YpCbCr8BiPlanarFullRange,
+    /// Bi-Planar Component Y'CbCr 8-bit 4:2:2, video-range (luma=[16,235] chroma=[16,240]).  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrBiPlanar struct
+    @"422YpCbCr8BiPlanarVideoRange" = c.kCVPixelFormatType_422YpCbCr8BiPlanarVideoRange,
+    /// Bi-Planar Component Y'CbCr 8-bit 4:2:2, full-range (luma=[0,255] chroma=[1,255]).  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrBiPlanar struct
+    @"422YpCbCr8BiPlanarFullRange" = c.kCVPixelFormatType_422YpCbCr8BiPlanarFullRange,
+    /// Bi-Planar Component Y'CbCr 8-bit 4:4:4, video-range (luma=[16,235] chroma=[16,240]).  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrBiPlanar struct
+    @"444YpCbCr8BiPlanarVideoRange" = c.kCVPixelFormatType_444YpCbCr8BiPlanarVideoRange,
+    /// Bi-Planar Component Y'CbCr 8-bit 4:4:4, full-range (luma=[0,255] chroma=[1,255]).  baseAddr points to a big-endian CVPlanarPixelBufferInfo_YCbCrBiPlanar struct
+    @"444YpCbCr8BiPlanarFullRange" = c.kCVPixelFormatType_444YpCbCr8BiPlanarFullRange,
+    /// Component Y'CbCr 8-bit 4:2:2, ordered Y'0 Cb Y'1 Cr
+    @"422YpCbCr8_yuvs" = c.kCVPixelFormatType_422YpCbCr8_yuvs,
+    /// Component Y'CbCr 8-bit 4:2:2, full range, ordered Y'0 Cb Y'1 Cr
+    @"422YpCbCr8FullRange" = c.kCVPixelFormatType_422YpCbCr8FullRange,
+    /// 8 bit one component, black is zero
+    OneComponent8 = c.kCVPixelFormatType_OneComponent8,
+    /// 8 bit two component, black is zero
+    TwoComponent8 = c.kCVPixelFormatType_TwoComponent8,
+    /// little-endian RGB101010, 2 MSB are ignored, wide-gamut (384-895)
+    @"30RGBLEPackedWideGamut" = c.kCVPixelFormatType_30RGBLEPackedWideGamut,
+    /// little-endian ARGB2101010 full-range ARGB
+    ARGB2101010LEPacked = c.kCVPixelFormatType_ARGB2101010LEPacked,
+    /// little-endian ARGB10101010, each 10 bits in the MSBs of 16bits, wide-gamut (384-895, including alpha)
+    @"40ARGBLEWideGamut" = c.kCVPixelFormatType_40ARGBLEWideGamut,
+    /// little-endian ARGB10101010, each 10 bits in the MSBs of 16bits, wide-gamut (384-895, including alpha). Alpha premultiplied
+    @"40ARGBLEWideGamutPremultiplied" = c.kCVPixelFormatType_40ARGBLEWideGamutPremultiplied,
+    /// 10 bit little-endian one component, stored as 10 MSBs of 16 bits, black is zero
+    OneComponent10 = c.kCVPixelFormatType_OneComponent10,
+    /// 12 bit little-endian one component, stored as 12 MSBs of 16 bits, black is zero
+    OneComponent12 = c.kCVPixelFormatType_OneComponent12,
+    /// 16 bit little-endian one component, black is zero
+    OneComponent16 = c.kCVPixelFormatType_OneComponent16,
+    /// 16 bit little-endian two component, black is zero
+    TwoComponent16 = c.kCVPixelFormatType_TwoComponent16,
+    /// 16 bit one component IEEE half-precision float, 16-bit little-endian samples
+    OneComponent16Half = c.kCVPixelFormatType_OneComponent16Half,
+    /// 32 bit one component IEEE float, 32-bit little-endian samples
+    OneComponent32Float = c.kCVPixelFormatType_OneComponent32Float,
+    /// 16 bit two component IEEE half-precision float, 16-bit little-endian samples
+    TwoComponent16Half = c.kCVPixelFormatType_TwoComponent16Half,
+    /// 32 bit two component IEEE float, 32-bit little-endian samples
+    TwoComponent32Float = c.kCVPixelFormatType_TwoComponent32Float,
+    /// 64 bit RGBA IEEE half-precision float, 16-bit little-endian samples
+    @"64RGBAHalf" = c.kCVPixelFormatType_64RGBAHalf,
+    /// 128 bit RGBA IEEE float, 32-bit little-endian samples
+    @"128RGBAFloat" = c.kCVPixelFormatType_128RGBAFloat,
+    /// Bayer 14-bit Little-Endian, packed in 16-bits, ordered G R G R... alternating with B G B G...
+    @"14Bayer_GRBG" = c.kCVPixelFormatType_14Bayer_GRBG,
+    /// Bayer 14-bit Little-Endian, packed in 16-bits, ordered R G R G... alternating with G B G B...
+    @"14Bayer_RGGB" = c.kCVPixelFormatType_14Bayer_RGGB,
+    /// Bayer 14-bit Little-Endian, packed in 16-bits, ordered B G B G... alternating with G R G R...
+    @"14Bayer_BGGR" = c.kCVPixelFormatType_14Bayer_BGGR,
+    /// Bayer 14-bit Little-Endian, packed in 16-bits, ordered G B G B... alternating with R G R G...
+    @"14Bayer_GBRG" = c.kCVPixelFormatType_14Bayer_GBRG,
+    /// IEEE754-2008 binary16 (half float), describing the normalized shift when comparing two images. Units are 1/meters: ( pixelShift / (pixelFocalLength * baselineInMeters) )
+    DisparityFloat16 = c.kCVPixelFormatType_DisparityFloat16,
+    /// IEEE754-2008 binary32 float, describing the normalized shift when comparing two images. Units are 1/meters: ( pixelShift / (pixelFocalLength * baselineInMeters) )
+    DisparityFloat32 = c.kCVPixelFormatType_DisparityFloat32,
+    /// IEEE754-2008 binary16 (half float), describing the depth (distance to an object) in meters
+    DepthFloat16 = c.kCVPixelFormatType_DepthFloat16,
+    /// IEEE754-2008 binary32 float, describing the depth (distance to an object) in meters
+    DepthFloat32 = c.kCVPixelFormatType_DepthFloat32,
+    /// 2 plane YCbCr10 4:2:0, each 10 bits in the MSBs of 16bits, video-range (luma=[64,940] chroma=[64,960])
+    @"420YpCbCr10BiPlanarVideoRange" = c.kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange,
+    /// 2 plane YCbCr10 4:2:2, each 10 bits in the MSBs of 16bits, video-range (luma=[64,940] chroma=[64,960])
+    @"422YpCbCr10BiPlanarVideoRange" = c.kCVPixelFormatType_422YpCbCr10BiPlanarVideoRange,
+    /// 2 plane YCbCr10 4:4:4, each 10 bits in the MSBs of 16bits, video-range (luma=[64,940] chroma=[64,960])
+    @"444YpCbCr10BiPlanarVideoRange" = c.kCVPixelFormatType_444YpCbCr10BiPlanarVideoRange,
+    /// 2 plane YCbCr10 4:2:0, each 10 bits in the MSBs of 16bits, full-range (Y range 0-1023)
+    @"420YpCbCr10BiPlanarFullRange" = c.kCVPixelFormatType_420YpCbCr10BiPlanarFullRange,
+    /// 2 plane YCbCr10 4:2:2, each 10 bits in the MSBs of 16bits, full-range (Y range 0-1023)
+    @"422YpCbCr10BiPlanarFullRange" = c.kCVPixelFormatType_422YpCbCr10BiPlanarFullRange,
+    /// 2 plane YCbCr10 4:4:4, each 10 bits in the MSBs of 16bits, full-range (Y range 0-1023)
+    @"444YpCbCr10BiPlanarFullRange" = c.kCVPixelFormatType_444YpCbCr10BiPlanarFullRange,
+    /// first and second planes as per 420YpCbCr8BiPlanarVideoRange (420v), alpha 8 bits in third plane full-range.  No CVPlanarPixelBufferInfo struct.
+    @"420YpCbCr8VideoRange_8A_TriPlanar" = c.kCVPixelFormatType_420YpCbCr8VideoRange_8A_TriPlanar,
+    /// Single plane Bayer 16-bit little-endian sensor element ("sensel".*) samples from full-size decoding of ProRes RAW images; Bayer pattern (sensel ordering) and other raw conversion information is described via buffer attachments
+    @"16VersatileBayer" = c.kCVPixelFormatType_16VersatileBayer,
+    /// Single plane 64-bit RGBA (16-bit little-endian samples) from downscaled decoding of ProRes RAW images; components--which may not be co-sited with one another--are sensel values and require raw conversion, information for which is described via buffer attachments
+    @"64RGBA_DownscaledProResRAW" = c.kCVPixelFormatType_64RGBA_DownscaledProResRAW,
+    /// 2 plane YCbCr16 4:2:2, video-range (luma=[4096,60160] chroma=[4096,61440])
+    @"422YpCbCr16BiPlanarVideoRange" = c.kCVPixelFormatType_422YpCbCr16BiPlanarVideoRange,
+    /// 2 plane YCbCr16 4:4:4, video-range (luma=[4096,60160] chroma=[4096,61440])
+    @"444YpCbCr16BiPlanarVideoRange" = c.kCVPixelFormatType_444YpCbCr16BiPlanarVideoRange,
+    /// 3 plane video-range YCbCr16 4:4:4 with 16-bit full-range alpha (luma=[4096,60160] chroma=[4096,61440] alpha=[0,65535]).  No CVPlanarPixelBufferInfo struct.
+    @"444YpCbCr16VideoRange_16A_TriPlanar" = c.kCVPixelFormatType_444YpCbCr16VideoRange_16A_TriPlanar,
+    _,
+};