output: add output state setters

This ensures compositors don't forget to set the committed flag
or the mode_type when setting a field.

include/wlr/types/wlr_output.h

@@ -501,6 +501,23 @@ bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
 void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor);
 
 
+void wlr_output_state_set_enabled(struct wlr_output_state *state,
+	bool enabled);
+void wlr_output_state_set_mode(struct wlr_output_state *state,
+	struct wlr_output_mode *mode);
+void wlr_output_state_set_custom_mode(struct wlr_output_state *state,
+	int32_t width, int32_t height, int32_t refresh);
+void wlr_output_state_set_scale(struct wlr_output_state *state, float scale);
+void wlr_output_state_set_transform(struct wlr_output_state *state,
+	enum wl_output_transform transform);
+void wlr_output_state_set_adaptive_sync_enabled(struct wlr_output_state *state,
+	bool enabled);
+void wlr_output_state_set_render_format(struct wlr_output_state *state,
+	uint32_t format);
+void wlr_output_state_set_subpixel(struct wlr_output_state *state,
+	enum wl_output_subpixel subpixel);
+
+
 /**
  * Returns the transform that, when composed with `tr`, gives
  * `WL_OUTPUT_TRANSFORM_NORMAL`.

types/meson.build

@@ -6,6 +6,7 @@ wlr_files += files(
 	'output/cursor.c',
 	'output/output.c',
 	'output/render.c',
+	'output/state.c',
 	'output/transform.c',
 	'scene/subsurface_tree.c',
 	'scene/surface.c',

types/output/state.c

@@ -0,0 +1,52 @@
+#include "types/wlr_output.h"
+
+void wlr_output_state_set_enabled(struct wlr_output_state *state,
+		bool enabled) {
+	state->committed |= WLR_OUTPUT_STATE_ENABLED;
+	state->enabled = enabled;
+}
+
+void wlr_output_state_set_mode(struct wlr_output_state *state,
+		struct wlr_output_mode *mode) {
+	state->committed |= WLR_OUTPUT_STATE_MODE;
+	state->mode_type = WLR_OUTPUT_STATE_MODE_FIXED;
+	state->mode = mode;
+}
+
+void wlr_output_state_set_custom_mode(struct wlr_output_state *state,
+		int32_t width, int32_t height, int32_t refresh) {
+	state->committed |= WLR_OUTPUT_STATE_MODE;
+	state->mode_type = WLR_OUTPUT_STATE_MODE_CUSTOM;
+	state->custom_mode.width = width;
+	state->custom_mode.height = height;
+	state->custom_mode.refresh = refresh;
+}
+
+void wlr_output_state_set_scale(struct wlr_output_state *state, float scale) {
+	state->committed |= WLR_OUTPUT_STATE_SCALE;
+	state->scale = scale;
+}
+
+void wlr_output_state_set_transform(struct wlr_output_state *state,
+		enum wl_output_transform transform) {
+	state->committed |= WLR_OUTPUT_STATE_TRANSFORM;
+	state->transform = transform;
+}
+
+void wlr_output_state_set_adaptive_sync_enabled(struct wlr_output_state *state,
+		bool enabled) {
+	state->committed |= WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED;
+	state->adaptive_sync_enabled = enabled;
+}
+
+void wlr_output_state_set_render_format(struct wlr_output_state *state,
+		uint32_t format) {
+	state->committed |= WLR_OUTPUT_STATE_RENDER_FORMAT;
+	state->render_format = format;
+}
+
+void wlr_output_state_set_subpixel(struct wlr_output_state *state,
+		enum wl_output_subpixel subpixel) {
+	state->committed |= WLR_OUTPUT_STATE_SUBPIXEL;
+	state->subpixel = subpixel;
+}