Merge 1ebc8129ec into b9c6a2c196

src/animation/client.h

@@ -8,6 +8,29 @@ void set_rect_size(struct wlr_scene_rect *rect, int32_t width, int32_t height) {
 	wlr_scene_rect_set_size(rect, GEZERO(width), GEZERO(height));
 }
 
+/* Keep node enabled offscreen so XWayland frame callbacks keep flowing,
+ * preventing games from stalling at 0 FPS when on a hidden workspace. */
+#define XWAYLAND_OFFSCREEN_OFFSET (-100000)
+
+void xwayland_hide_offscreen(Client *c) {
+	if (!client_is_x11(c))
+		return;
+	c->is_xwayland_hidden = true;
+	wlr_scene_node_set_enabled(&c->border->node, false);
+	wlr_scene_node_set_enabled(&c->shadow->node, false);
+	wlr_scene_node_set_position(&c->scene->node, XWAYLAND_OFFSCREEN_OFFSET,
+								XWAYLAND_OFFSCREEN_OFFSET);
+}
+
+void xwayland_show_from_offscreen(Client *c) {
+	if (!client_is_x11(c) || !c->is_xwayland_hidden)
+		return;
+	c->is_xwayland_hidden = false;
+	wlr_scene_node_set_enabled(&c->border->node, true);
+	wlr_scene_node_set_enabled(&c->shadow->node, true);
+	wlr_scene_node_set_position(&c->scene->node, c->geom.x, c->geom.y);
+}
+
 enum corner_location set_client_corner_location(Client *c) {
 	enum corner_location current_corner_location = CORNER_LOCATION_ALL;
 	struct wlr_box target_geom =
@@ -501,11 +524,19 @@ struct ivec2 clip_to_hide(Client *c, struct wlr_box *clip_box) {
 	if ((clip_box->width + bw <= 0 || clip_box->height + bw <= 0) &&
 		(ISSCROLLTILED(c) || c->animation.tagouting || c->animation.tagining)) {
 		c->is_clip_to_hide = true;
+		if (client_is_x11(c) && config.xwayland_render_unfocused) {
+			xwayland_hide_offscreen(c);
+		} else {
 			wlr_scene_node_set_enabled(&c->scene->node, false);
+		}
 	} else if (c->is_clip_to_hide && VISIBLEON(c, c->mon)) {
 		c->is_clip_to_hide = false;
+		if (client_is_x11(c) && config.xwayland_render_unfocused) {
+			xwayland_show_from_offscreen(c);
+		} else {
 			wlr_scene_node_set_enabled(&c->scene->node, true);
 		}
+	}
 
 	return offset;
 }
@@ -737,8 +768,12 @@ void client_animation_next_tick(Client *c) {
 
 		if (c->animation.tagouting) {
 			c->animation.tagouting = false;
+			if (client_is_x11(c) && config.xwayland_render_unfocused) {
+				xwayland_hide_offscreen(c);
+			} else {
 				wlr_scene_node_set_enabled(&c->scene->node, false);
 				client_set_suspended(c, true);
+			}
 			c->animation.tagouted = true;
 			c->animation.current = c->geom;
 		}

src/animation/tag.h

@@ -33,9 +33,16 @@ void set_arrange_visible(Monitor *m, Client *c, bool want_animation) {
 
 	if (!c->is_clip_to_hide || !ISTILED(c) || !is_scroller_layout(c->mon)) {
 		c->is_clip_to_hide = false;
+		/* For XWayland clients that were hidden offscreen, just restore
+		 * border/shadow — the node stays enabled and position is fixed
+		 * by resize() below. For non-XWayland, re-enable normally. */
+		if (c->is_xwayland_hidden && config.xwayland_render_unfocused) {
+			xwayland_show_from_offscreen(c);
+		} else {
 			wlr_scene_node_set_enabled(&c->scene->node, true);
 			wlr_scene_node_set_enabled(&c->scene_surface->node, true);
 		}
+	}
 	client_set_suspended(c, false);
 
 	if (!c->animation.tag_from_rule && want_animation &&
@@ -88,8 +95,14 @@ void set_arrange_hidden(Monitor *m, Client *c, bool want_animation) {
 		c->animation.tagouting = true;
 		c->animation.tagining = false;
 		set_tagout_animation(m, c);
+	} else {
+		/* For XWayland clients, hide offscreen instead of disabling the
+		 * scene node to keep frame callbacks flowing. */
+		if (client_is_x11(c) && config.xwayland_render_unfocused) {
+			xwayland_hide_offscreen(c);
 		} else {
 			wlr_scene_node_set_enabled(&c->scene->node, false);
 			client_set_suspended(c, true);
 		}
+	}
 }

src/config/parse_config.h

@@ -358,6 +358,7 @@ typedef struct {
 
 	int32_t single_scratchpad;
 	int32_t xwayland_persistence;
+	int32_t xwayland_render_unfocused;
 	int32_t syncobj_enable;
 	float drag_tile_refresh_interval;
 	float drag_floating_refresh_interval;
@@ -1414,6 +1415,8 @@ bool parse_option(Config *config, char *key, char *value) {
 		config->single_scratchpad = atoi(value);
 	} else if (strcmp(key, "xwayland_persistence") == 0) {
 		config->xwayland_persistence = atoi(value);
+	} else if (strcmp(key, "xwayland_render_unfocused") == 0) {
+		config->xwayland_render_unfocused = atoi(value);
 	} else if (strcmp(key, "syncobj_enable") == 0) {
 		config->syncobj_enable = atoi(value);
 	} else if (strcmp(key, "drag_tile_refresh_interval") == 0) {
@@ -3157,6 +3160,7 @@ void override_config(void) {
 	config.overviewgappi = CLAMP_INT(config.overviewgappi, 0, 1000);
 	config.overviewgappo = CLAMP_INT(config.overviewgappo, 0, 1000);
 	config.xwayland_persistence = CLAMP_INT(config.xwayland_persistence, 0, 1);
+	config.xwayland_render_unfocused = CLAMP_INT(config.xwayland_render_unfocused, 0, 1);
 	config.syncobj_enable = CLAMP_INT(config.syncobj_enable, 0, 1);
 	config.drag_tile_refresh_interval =
 		CLAMP_FLOAT(config.drag_tile_refresh_interval, 1.0f, 16.0f);
@@ -3314,6 +3318,7 @@ void set_value_default() {
 	config.view_current_to_back = 0;
 	config.single_scratchpad = 1;
 	config.xwayland_persistence = 1;
+	config.xwayland_render_unfocused = 1;
 	config.syncobj_enable = 0;
 	config.drag_tile_refresh_interval = 8.0f;
 	config.drag_floating_refresh_interval = 8.0f;

src/mango.c

@@ -396,6 +396,7 @@ struct Client {
 	pid_t pid;
 	Client *swallowing, *swallowedby;
 	bool is_clip_to_hide;
+	bool is_xwayland_hidden;
 	bool drag_to_tile;
 	bool scratchpad_switching_mon;
 	bool fake_no_border;
@@ -4070,6 +4071,7 @@ void init_client_properties(Client *c) {
 	c->is_scratchpad_show = 0;
 	c->need_float_size_reduce = 0;
 	c->is_clip_to_hide = 0;
+	c->is_xwayland_hidden = 0;
 	c->is_restoring_from_ov = 0;
 	c->isurgent = 0;
 	c->need_output_flush = 0;