3 files changed, 12 insertions, 1 deletions
diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index b832ea1239..d87644381c 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -912,6 +912,7 @@ void ArrayMesh::surface_set_material(int p_idx, const Ref<Material> &p_material)
 	VisualServer::get_singleton()->mesh_surface_set_material(mesh, p_idx, p_material.is_null() ? RID() : p_material->get_rid());
 
 	_change_notify("material");
+	emit_changed();
 }
 
 void ArrayMesh::surface_set_name(int p_idx, const String &p_name) {
@@ -919,6 +920,7 @@ void ArrayMesh::surface_set_name(int p_idx, const String &p_name) {
 	ERR_FAIL_INDEX(p_idx, surfaces.size());
 
 	surfaces[p_idx].name = p_name;
+	emit_changed();
 }
 
 String ArrayMesh::surface_get_name(int p_idx) const {
@@ -931,6 +933,7 @@ void ArrayMesh::surface_update_region(int p_surface, int p_offset, const PoolVec
 
 	ERR_FAIL_INDEX(p_surface, surfaces.size());
 	VS::get_singleton()->mesh_surface_update_region(mesh, p_surface, p_offset, p_data);
+	emit_changed();
 }
 
 void ArrayMesh::surface_set_custom_aabb(int p_idx, const AABB &p_aabb) {
@@ -938,6 +941,7 @@ void ArrayMesh::surface_set_custom_aabb(int p_idx, const AABB &p_aabb) {
 	ERR_FAIL_INDEX(p_idx, surfaces.size());
 	surfaces[p_idx].aabb = p_aabb;
 	// set custom aabb too?
+	emit_changed();
 }
 
 Ref<Material> ArrayMesh::surface_get_material(int p_idx) const {
@@ -986,6 +990,7 @@ void ArrayMesh::set_custom_aabb(const AABB &p_custom) {
 
 	custom_aabb = p_custom;
 	VS::get_singleton()->mesh_set_custom_aabb(mesh, custom_aabb);
+	emit_changed();
 }
 
 AABB ArrayMesh::get_custom_aabb() const {
diff --git a/scene/resources/primitive_meshes.cpp b/scene/resources/primitive_meshes.cpp
index 94c54c91d3..056ac2772b 100644
--- a/scene/resources/primitive_meshes.cpp
+++ b/scene/resources/primitive_meshes.cpp
@@ -65,6 +65,8 @@ void PrimitiveMesh::_update() const {
 	pending_request = false;
 
 	_clear_triangle_mesh();
+
+	const_cast<PrimitiveMesh *>(this)->emit_changed();
 }
 
 void PrimitiveMesh::_request_update() {
diff --git a/scene/resources/style_box.cpp b/scene/resources/style_box.cpp
index 626fda50df..ad5a0fd9ab 100644
--- a/scene/resources/style_box.cpp
+++ b/scene/resources/style_box.cpp
@@ -106,7 +106,11 @@ void StyleBoxTexture::set_texture(Ref<Texture> p_texture) {
 	if (texture == p_texture)
 		return;
 	texture = p_texture;
-	region_rect = Rect2(Point2(), texture->get_size());
+	if (p_texture.is_null()) {
+		region_rect = Rect2(0, 0, 0, 0);
+	} else {
+		region_rect = Rect2(Point2(), texture->get_size());
+	}
 	emit_signal("texture_changed");
 	emit_changed();
 	_change_notify("texture");