output: add max_render_time

3 files changed, 9 insertions, 0 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index d994ae9b..5d468a42 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -271,6 +271,7 @@ sway_cmd output_cmd_background;
 sway_cmd output_cmd_disable;
 sway_cmd output_cmd_dpms;
 sway_cmd output_cmd_enable;
+sway_cmd output_cmd_max_render_time;
 sway_cmd output_cmd_mode;
 sway_cmd output_cmd_position;
 sway_cmd output_cmd_scale;
diff --git a/include/sway/config.h b/include/sway/config.h
index 6892c946..457e0a98 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -212,6 +212,7 @@ struct output_config {
         float scale;
         int32_t transform;
         enum wl_output_subpixel subpixel;
+        int max_render_time; // In milliseconds
 
         char *background;
         char *background_option;
diff --git a/include/sway/output.h b/include/sway/output.h
index 7d7057e1..741f5b5e 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -51,6 +51,11 @@ struct sway_output {
         struct {
                 struct wl_signal destroy;
         } events;
+
+        struct timespec last_presentation;
+        uint32_t refresh_nsec;
+        int max_render_time; // In milliseconds
+        struct wl_event_source *repaint_timer;
 };
 
 struct sway_output *output_create(struct wlr_output *wlr_output);
@@ -71,6 +76,8 @@ typedef void (*sway_surface_iterator_func_t)(struct sway_output *output,
         struct wlr_surface *surface, struct wlr_box *box, float rotation,
         void *user_data);
 
+int output_repaint_timer_handler(void *data);
+
 void output_damage_whole(struct sway_output *output);
 
 void output_damage_surface(struct sway_output *output, double ox, double oy,