From 6e3046878d4dced3f2e503973ad31d7921c0c400 Mon Sep 17 00:00:00 2001
From: Geoff Greer <geoff@greer.fm>
Date: Sun, 10 Feb 2019 16:56:57 -0800
Subject: Add support for manually setting subpixel hinting on outputs.

Many laptop screens report unknown subpixel order. Allow users to manually set subpixel hinting to work around this.

Addresses https://github.com/swaywm/sway/issues/3163
---
 include/sway/commands.h | 1 +
 include/sway/config.h   | 1 +
 include/sway/output.h   | 1 +
 include/util.h          | 3 +++
 4 files changed, 6 insertions(+)

(limited to 'include')

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 1c147c5a..7533a14d 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -261,6 +261,7 @@ sway_cmd output_cmd_enable;
 sway_cmd output_cmd_mode;
 sway_cmd output_cmd_position;
 sway_cmd output_cmd_scale;
+sway_cmd output_cmd_subpixel;
 sway_cmd output_cmd_transform;
 
 sway_cmd seat_cmd_attach;
diff --git a/include/sway/config.h b/include/sway/config.h
index 8970696c..d49120a0 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -184,6 +184,7 @@ struct output_config {
 	int x, y;
 	float scale;
 	int32_t transform;
+	enum wl_output_subpixel subpixel;
 
 	char *background;
 	char *background_option;
diff --git a/include/sway/output.h b/include/sway/output.h
index 8015f211..c336c559 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -31,6 +31,7 @@ struct sway_output {
 
 	int lx, ly; // layout coords
 	int width, height; // transformed buffer size
+	enum wl_output_subpixel detected_subpixel;
 
 	bool enabled, configured;
 	list_t *workspaces;
diff --git a/include/util.h b/include/util.h
index 1fd772c0..6a668fd6 100644
--- a/include/util.h
+++ b/include/util.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include <wayland-server-protocol.h>
 
 /**
  * Wrap i into the range [0, max[
@@ -29,4 +30,6 @@ bool parse_boolean(const char *boolean, bool current);
  */
 float parse_float(const char *value);
 
+const char *sway_wl_output_subpixel_to_string(enum wl_output_subpixel subpixel);
+
 #endif
-- 
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