Subtrees get dirtied when their clipnodes do

gui/gui.c

@@ -925,9 +925,14 @@ void gui_generate_draw_commands(
 	assert(out_num_draw_commands != NULL);
 	*out_num_draw_commands = 0;
 	memory_arena_reset(draw_command_arena);
+	bool dirtyness = root->dirty;
+	GUI_Node_Reference clipnode = subtree->clipnode;
+	if(rdic_node_reference_valid(clipnode.rdic_ref)) {
+		dirtyness |= clipnode.node->dirty;
+	}
 	gui_generate_draw_commands_inner(
 		x_offset, y_offset,
-		root, root->dirty,
+		root, dirtyness,
 		draw_command_arena, out_num_draw_commands);
 }
 
@@ -3388,7 +3393,7 @@ void gui_draw_rect_clipped(
 		}
 	}
 }
-//CURSOR
+
 void gui_layout_and_draw_subtree(
 	GUI_Context *context,
 	GUI_Subtree *subtree,