change .editorconfig

4 files changed, 169 insertions, 154 deletions

diff --git a/src/screen/drm/connector/connection.zig b/src/screen/drm/connector/connection.zig
index 9c4a8d8..7377800 100644
--- a/src/screen/drm/connector/connection.zig
+++ b/src/screen/drm/connector/connection.zig
@@ -1,6 +1,6 @@
 pub const Connection = enum(u32) {
-    undefined_state = 0,
-    connected = 1,
-    disconnected = 2,
-    unknown = 3,
+	undefined_state = 0,
+	connected = 1,
+	disconnected = 2,
+	unknown = 3,
 };
diff --git a/src/screen/drm/connector/mode.zig b/src/screen/drm/connector/mode.zig
index fb61b5b..1e28a23 100644
--- a/src/screen/drm/connector/mode.zig
+++ b/src/screen/drm/connector/mode.zig
@@ -1,70 +1,70 @@
 pub const Mode = extern struct {
-    const Self = @This();
+	const Self = @This();
 
-    const DimensionInfo = extern struct {
-        const Sync = extern struct { start: u16, end: u16 };
+	const DimensionInfo = extern struct {
+		const Sync = extern struct { start: u16, end: u16 };
 
-        size: u16,
-        sync: Sync,
-        total: u16,
-    };
+		size: u16,
+		sync: Sync,
+		total: u16,
+};
 
-    const Type = packed struct(u32) {
-        builtin: bool,
-        clock_c: bool,
-        crtc_c: bool,
-        preferred: bool,
-        default: bool,
-        userdef: bool,
-        driver: bool,
-        _padding: u25,
-    };
+const Type = packed struct(u32) {
+	builtin: bool,
+	clock_c: bool,
+	crtc_c: bool,
+	preferred: bool,
+	default: bool,
+	userdef: bool,
+	driver: bool,
+	_padding: u25,
+};
 
-    const Flags = packed struct(u32) {
-        phsync: bool,
-        nhsync: bool,
-        pvsync: bool,
-        nvsync: bool,
-        interlace: bool,
-        dblscan: bool,
-        csync: bool,
-        pcsync: bool,
-        ncsync: bool,
-        hskew: bool,
-        bcast: bool,
-        pixmux: bool,
-        dblclk: bool,
-        clkdiv2: bool,
-        _padding: u18,
-    };
+const Flags = packed struct(u32) {
+	phsync: bool,
+	nhsync: bool,
+	pvsync: bool,
+	nvsync: bool,
+	interlace: bool,
+	dblscan: bool,
+	csync: bool,
+	pcsync: bool,
+	ncsync: bool,
+	hskew: bool,
+	bcast: bool,
+	pixmux: bool,
+	dblclk: bool,
+	clkdiv2: bool,
+	_padding: u18,
+		};
 
-    clock: u32,
-    horizontal: DimensionInfo,
-    skew: u16,
-    vertical: DimensionInfo,
-    line_scans: u16,
-    vertical_refresh: u32,
+clock: u32,
+	horizontal: DimensionInfo,
+	skew: u16,
+	vertical: DimensionInfo,
+	line_scans: u16,
+	vertical_refresh: u32,
 
-    flags: Flags,
-    type: Type,
-    name: [32]u8,
+	flags: Flags,
+	type: Type,
+	name: [32]u8,
 
-    pub fn frame_rate(self: *const Self) f32 {
-        var rate = (@as(u64, @intCast(self.clock)) * 1000000 / self.horizontal.total + self.vertical.total / 2) / self.vertical.total;
+	pub fn frame_rate(self: *const Self) f32 {
+		var rate = (@as(u64, @intCast(self.clock)) * 1000000 / self.horizontal.total + self.vertical.total / 2) / self.vertical.total;
 
-        if (self.flags.interlace) {
-            rate *= 2;
-        }
+		if (self.flags.interlace) {
+			rate *= 2;
+		}
 
-        if (self.flags.dblscan) {
-            rate /= 2;
-        }
+		if (self.flags.dblscan) {
+			rate /= 2;
+		}
 
-        if (self.line_scans > 1) {
-            rate /= self.line_scans;
-        }
+		if (self.line_scans > 1) {
+			rate /= self.line_scans;
+		}
 
-        return @as(f32, @floatFromInt(rate)) / 1000.0;
-    }
+		return @as(f32, @floatFromInt(rate)) / 1000.0;
+	}
 };
 
diff --git a/src/screen/drm/connector/root.zig b/src/screen/drm/connector/root.zig
index c104e84..6141899 100644
--- a/src/screen/drm/connector/root.zig
+++ b/src/screen/drm/connector/root.zig
@@ -9,89 +9,104 @@ pub const Mode = @import("mode.zig").Mode;
 pub const ConnectorType = @import("type.zig").Type;
 
 const RawConnector = extern struct {
-    encoder_ids: ?*u32,
-    modes: ?*Mode,
-    prop_ids: ?*u32,
-    prop_value_ids: ?*u64,
-    count_modes: u32,
-    count_props: u32,
-    count_encoders: u32,
-    encoder_id: u32,
-    id: u32,
-    type: ConnectorType,
-    type_id: u32,
-    connection: Connection,
-    mm_width: u32,
-    mm_height: u32,
-    subpixel: u32,
-    pad: u32,
+	encoder_ids: ?*u32,
+	modes: ?*Mode,
+	prop_ids: ?*u32,
+	prop_value_ids: ?*u64,
+	count_modes: u32,
+	count_props: u32,
+	count_encoders: u32,
+	encoder_id: u32,
+	id: u32,
+	type: ConnectorType,
+	type_id: u32,
+	connection: Connection,
+	mm_width: u32,
+	mm_height: u32,
+	subpixel: u32,
+	pad: u32,
 };
 
 pub const Connector = struct {
-    const Self = @This();
+	const Self = @This();
 
-    card: *Card,
+	card: *Card,
 
-    encoder_ids: []u32,
-    modes: []Mode,
-    prop_ids: []u32,
-    prop_value_ids: []u64,
-    encoder_id: u32,
-    id: u32,
-    type: ConnectorType,
-    type_id: u32,
-    connection: Connection,
-    mm_width: u32,
-    mm_height: u32,
-    subpixel: u32,
-    pad: u32,
+	encoder_ids: []u32,
+	modes: []Mode,
+	prop_ids: []u32,
+	prop_value_ids: []u64,
+	encoder_id: u32,
+	id: u32,
+	type: ConnectorType,
+	type_id: u32,
+	connection: Connection,
+	mm_width: u32,
+	mm_height: u32,
+	subpixel: u32,
+	pad: u32,
 
-    pub fn raw_without_ids(card: *Card, id: u32) !RawConnector {
-        var result = std.mem.zeroInit(RawConnector, .{ .id = id });
-        try Drm.get_connector.request(card.file.handle, RawConnector, &result);
-        return result;
-    }
+	pub fn raw_without_ids(card: *Card, id: u32) !RawConnector {
+		var result = std.mem.zeroInit(RawConnector, .{ .id = id });
+		try Drm.get_connector.request(card.file.handle, RawConnector, &result);
+		return result;
+	}
 
-    // NOTE: This function does not take in account
-    //       that there might be some hot-plugging going
-    //       on. This might have to change in the future.
-    pub fn init(card: *Card, id: u32) !Self {
-        var raw = try Self.raw_without_ids(card, id);
-        const resources = .{
-            .encoder_ids = try card.allocator.alloc(u32, raw.count_encoders),
-            .modes = try card.allocator.alloc(Mode, raw.count_modes),
-            .prop_ids = try card.allocator.alloc(u32, raw.count_props),
-            .prop_value_ids = try card.allocator.alloc(u64, raw.count_props),
-            .encoder_id = raw.encoder_id,
-            .id = raw.id,
-            .type = raw.type,
-            .type_id = raw.type_id,
-            .connection = raw.connection,
-            .mm_width = raw.mm_width,
-            .mm_height = raw.mm_height,
-            .subpixel = raw.subpixel,
-            .pad = raw.pad,
-            .card = card,
-        };
+	// NOTE: This function does not take in account
+	//       that there might be some hot-plugging going
+	//       on. This might have to change in the future.
+	pub fn init(card: *Card, id: u32) !Self {
+		var raw = try Self.raw_without_ids(card, id);
+		const resources = .{
+			.encoder_ids = try card.allocator.alloc(u32, raw.count_encoders),
+			.modes = try card.allocator.alloc(Mode, raw.count_modes),
+			.prop_ids = try card.allocator.alloc(u32, raw.count_props),
+			.prop_value_ids = try card.allocator.alloc(u64, raw.count_props),
+			.encoder_id = raw.encoder_id,
+			.id = raw.id,
+			.type = raw.type,
+			.type_id = raw.type_id,
+			.connection = raw.connection,
+			.mm_width = raw.mm_width,
+			.mm_height = raw.mm_height,
+			.subpixel = raw.subpixel,
+			.pad = raw.pad,
+			.card = card,
+	};
 
-        @memset(resources.encoder_ids, 0);
-        @memset(resources.modes, std.mem.zeroes(Mode));
-        @memset(resources.prop_ids, 0);
-        @memset(resources.prop_value_ids, 0);
+		@memset(resources.encoder_ids, 0);
+		@memset(resources.modes, std.mem.zeroes(Mode));
+		@memset(resources.prop_ids, 0);
+		@memset(resources.prop_value_ids, 0);
 
-        raw.encoder_ids = @ptrCast(resources.encoder_ids);
-        raw.modes = @ptrCast(resources.modes);
-        raw.prop_ids = @ptrCast(resources.prop_ids);
-        raw.prop_value_ids = @ptrCast(resources.prop_value_ids);
+		raw.encoder_ids = @ptrCast(resources.encoder_ids);
+		raw.modes = @ptrCast(resources.modes);
+		raw.prop_ids = @ptrCast(resources.prop_ids);
+		raw.prop_value_ids = @ptrCast(resources.prop_value_ids);
 
-        try Drm.get_connector.request(card.file.handle, RawConnector, &raw);
+		try Drm.get_connector.request(card.file.handle, RawConnector, &raw);
 
-        return resources;
-    }
+		return resources;
+	}
 
-    pub fn deinit(self: *Self) void {
-        self.card.allocator.free(self.encoder_ids);
-        self.card.allocator.free(self.modes);
-        self.card.allocator.free(self.prop_ids);
-    }
+	pub fn deinit(self: *Self) void {
+		self.card.allocator.free(self.encoder_ids);
+		self.card.allocator.free(self.modes);
+		self.card.allocator.free(self.prop_ids);
+	}
+
+	pub fn compatible_crtc(self: *Self) ?usize {
+		for (self.encoder_ids) |encoder_id| {
+			var encoder = self.card.encoder(encoder_id) catch continue;
+			defer encoder.deinit();
+
+			for (0..32) |index| {
+				if ((encoder.possible_crtcs & (@as(u32, 1) << @intCast(index))) != 0) {
+					return index;
+				}
+			}
+		}
+
+		return null;
+	}
 };
diff --git a/src/screen/drm/connector/type.zig b/src/screen/drm/connector/type.zig
index 15db753..c813c66 100644
--- a/src/screen/drm/connector/type.zig
+++ b/src/screen/drm/connector/type.zig
@@ -1,23 +1,23 @@
 pub const Type = enum(u32) {
-    unknown = 0,
-    vga = 1,
-    dvi_i = 2,
-    dvi_d = 3,
-    dvi_a = 4,
-    composite = 5,
-    s_video = 6,
-    lvds = 7,
-    component = 8,
-    nine_pin_din = 9,
-    display_port = 10,
-    hdmi_a = 11,
-    hdmi_b = 12,
-    tv = 13,
-    edp = 14,
-    virtual = 15,
-    dsi = 16,
-    dpi = 17,
-    writeback = 18,
-    spi = 19,
-    usb = 20,
+	unknown = 0,
+	vga = 1,
+	dvi_i = 2,
+	dvi_d = 3,
+	dvi_a = 4,
+	composite = 5,
+	s_video = 6,
+	lvds = 7,
+	component = 8,
+	nine_pin_din = 9,
+	display_port = 10,
+	hdmi_a = 11,
+	hdmi_b = 12,
+	tv = 13,
+	edp = 14,
+	virtual = 15,
+	dsi = 16,
+	dpi = 17,
+	writeback = 18,
+	spi = 19,
+	usb = 20,
 };