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

3 files changed, 3 insertions, 0 deletions

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;