9 files changed, 53 insertions, 5 deletions

diff --git a/common/cairo.c b/common/cairo.c
index c267c77c..e8231484 100644
--- a/common/cairo.c
+++ b/common/cairo.c
@@ -13,6 +13,22 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
                         (color >> (0*8) & 0xFF) / 255.0);
 }
 
+cairo_subpixel_order_t to_cairo_subpixel_order(enum wl_output_subpixel subpixel) {
+        switch (subpixel) {
+        case WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB:
+                return CAIRO_SUBPIXEL_ORDER_RGB;
+        case WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR:
+                return CAIRO_SUBPIXEL_ORDER_BGR;
+        case WL_OUTPUT_SUBPIXEL_VERTICAL_RGB:
+                return CAIRO_SUBPIXEL_ORDER_VRGB;
+        case WL_OUTPUT_SUBPIXEL_VERTICAL_BGR:
+                return CAIRO_SUBPIXEL_ORDER_VBGR;
+        default:
+                return CAIRO_SUBPIXEL_ORDER_DEFAULT;
+        }
+        return CAIRO_SUBPIXEL_ORDER_DEFAULT;
+}
+
 cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image,
                 int width, int height) {
         int image_width = cairo_image_surface_get_width(image);
diff --git a/include/cairo.h b/include/cairo.h
index 31672705..86530b60 100644
--- a/include/cairo.h
+++ b/include/cairo.h
@@ -2,8 +2,10 @@
 #define _SWAY_CAIRO_H
 #include <stdint.h>
 #include <cairo/cairo.h>
+#include <wlr/types/wlr_output.h>
 
 void cairo_set_source_u32(cairo_t *cairo, uint32_t color);
+cairo_subpixel_order_t to_cairo_subpixel_order(enum wl_output_subpixel subpixel);
 
 cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image,
                 int width, int height);
diff --git a/include/swaybar/bar.h b/include/swaybar/bar.h
index 4065fb8b..29e96159 100644
--- a/include/swaybar/bar.h
+++ b/include/swaybar/bar.h
@@ -81,6 +81,7 @@ struct swaybar_output {
 
         uint32_t width, height;
         int32_t scale;
+        enum wl_output_subpixel subpixel;
         struct pool_buffer buffers[2];
         struct pool_buffer *current_buffer;
 };
diff --git a/include/swaylock/swaylock.h b/include/swaylock/swaylock.h
index 950cfaaf..2f0cd34d 100644
--- a/include/swaylock/swaylock.h
+++ b/include/swaylock/swaylock.h
@@ -82,6 +82,7 @@ struct swaylock_surface {
         bool frame_pending, dirty;
         uint32_t width, height;
         int32_t scale;
+        enum wl_output_subpixel subpixel;
         char *output_name;
         struct wl_list link;
 };
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 47687744..8dc22410 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -465,11 +465,17 @@ static void update_title_texture(struct sway_container *con,
         cairo_surface_t *surface = cairo_image_surface_create(
                         CAIRO_FORMAT_ARGB32, width, height);
         cairo_t *cairo = cairo_create(surface);
+        cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
+        cairo_font_options_t *fo = cairo_font_options_create();
+        cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
+        cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
+        cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(output->wlr_output->subpixel));
+        cairo_set_font_options(cairo, fo);
+        cairo_font_options_destroy(fo);
         cairo_set_source_rgba(cairo, class->background[0], class->background[1],
                         class->background[2], class->background[3]);
         cairo_paint(cairo);
         PangoContext *pango = pango_cairo_create_context(cairo);
-        cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
         cairo_set_source_rgba(cairo, class->text[0], class->text[1],
                         class->text[2], class->text[3]);
         cairo_move_to(cairo, 0, 0);
diff --git a/swaybar/bar.c b/swaybar/bar.c
index 69069f40..ab307fd4 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -319,10 +319,14 @@ static bool bar_uses_output(struct swaybar *bar, const char *name) {
         return false;
 }
 
-static void output_geometry(void *data, struct wl_output *output, int32_t x,
+static void output_geometry(void *data, struct wl_output *wl_output, int32_t x,
                 int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel,
                 const char *make, const char *model, int32_t transform) {
-        // Who cares
+        struct swaybar_output *output = data;
+        output->subpixel = subpixel;
+        if (output->surface) {
+                render_frame(output->bar, output);
+        }
 }
 
 static void output_mode(void *data, struct wl_output *output, uint32_t flags,
diff --git a/swaybar/render.c b/swaybar/render.c
index 26db80cb..9413dc57 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -495,6 +495,13 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
         cairo_surface_t *recorder = cairo_recording_surface_create(
                         CAIRO_CONTENT_COLOR_ALPHA, NULL);
         cairo_t *cairo = cairo_create(recorder);
+        cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
+        cairo_font_options_t *fo = cairo_font_options_create();
+        cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
+        cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
+        cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(output->subpixel));
+        cairo_set_font_options(cairo, fo);
+        cairo_font_options_destroy(fo);
         cairo_save(cairo);
         cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
         cairo_paint(cairo);
diff --git a/swaylock/main.c b/swaylock/main.c
index 668a8742..c25c8eec 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -195,11 +195,15 @@ void damage_state(struct swaylock_state *state) {
         }
 }
 
-static void handle_wl_output_geometry(void *data, struct wl_output *output,
+static void handle_wl_output_geometry(void *data, struct wl_output *wl_output,
                 int32_t x, int32_t y, int32_t width_mm, int32_t height_mm,
                 int32_t subpixel, const char *make, const char *model,
                 int32_t transform) {
-        // Who cares
+        struct swaylock_surface *surface = data;
+        surface->subpixel = subpixel;
+        if (surface->state->run_display) {
+                damage_surface(surface);
+        }
 }
 
 static void handle_wl_output_mode(void *data, struct wl_output *output,
diff --git a/swaylock/render.c b/swaylock/render.c
index 66c55965..fa8832bd 100644
--- a/swaylock/render.c
+++ b/swaylock/render.c
@@ -39,6 +39,13 @@ void render_frame(struct swaylock_surface *surface) {
         }
 
         cairo_t *cairo = surface->current_buffer->cairo;
+        cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
+        cairo_font_options_t *fo = cairo_font_options_create();
+        cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
+        cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
+        cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(surface->subpixel));
+        cairo_set_font_options(cairo, fo);
+        cairo_font_options_destroy(fo);
         cairo_identity_matrix(cairo);
 
         cairo_save(cairo);