4 files changed, 11 insertions, 3 deletions
diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index 67639858ce..6443b44bb6 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -489,6 +489,7 @@ void Mesh::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_surface_count"), &Mesh::get_surface_count);
 	ClassDB::bind_method(D_METHOD("surface_get_arrays", "surf_idx"), &Mesh::surface_get_arrays);
 	ClassDB::bind_method(D_METHOD("surface_get_blend_shape_arrays", "surf_idx"), &Mesh::surface_get_blend_shape_arrays);
+	ClassDB::bind_method(D_METHOD("surface_set_material", "surf_idx", "material"), &Mesh::surface_set_material);
 	ClassDB::bind_method(D_METHOD("surface_get_material", "surf_idx"), &Mesh::surface_get_material);
 
 	BIND_ENUM_CONSTANT(PRIMITIVE_POINTS);
@@ -1305,7 +1306,6 @@ void ArrayMesh::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("surface_get_array_index_len", "surf_idx"), &ArrayMesh::surface_get_array_index_len);
 	ClassDB::bind_method(D_METHOD("surface_get_format", "surf_idx"), &ArrayMesh::surface_get_format);
 	ClassDB::bind_method(D_METHOD("surface_get_primitive_type", "surf_idx"), &ArrayMesh::surface_get_primitive_type);
-	ClassDB::bind_method(D_METHOD("surface_set_material", "surf_idx", "material"), &ArrayMesh::surface_set_material);
 	ClassDB::bind_method(D_METHOD("surface_find_by_name", "name"), &ArrayMesh::surface_find_by_name);
 	ClassDB::bind_method(D_METHOD("surface_set_name", "surf_idx", "name"), &ArrayMesh::surface_set_name);
 	ClassDB::bind_method(D_METHOD("surface_get_name", "surf_idx"), &ArrayMesh::surface_get_name);
diff --git a/scene/resources/mesh.h b/scene/resources/mesh.h
index 1457d283bd..b38791b9a6 100644
--- a/scene/resources/mesh.h
+++ b/scene/resources/mesh.h
@@ -128,6 +128,7 @@ public:
 	virtual Array surface_get_blend_shape_arrays(int p_surface) const = 0;
 	virtual uint32_t surface_get_format(int p_idx) const = 0;
 	virtual PrimitiveType surface_get_primitive_type(int p_idx) const = 0;
+	virtual void surface_set_material(int p_idx, const Ref<Material> &p_material) = 0;
 	virtual Ref<Material> surface_get_material(int p_idx) const = 0;
 	virtual int get_blend_shape_count() const = 0;
 	virtual StringName get_blend_shape_name(int p_index) const = 0;
@@ -215,8 +216,8 @@ public:
 	PrimitiveType surface_get_primitive_type(int p_idx) const;
 	bool surface_is_alpha_sorting_enabled(int p_idx) const;
 
-	void surface_set_material(int p_idx, const Ref<Material> &p_material);
-	Ref<Material> surface_get_material(int p_idx) const;
+	virtual void surface_set_material(int p_idx, const Ref<Material> &p_material);
+	virtual Ref<Material> surface_get_material(int p_idx) const;
 
 	int surface_find_by_name(const String &p_name) const;
 	void surface_set_name(int p_idx, const String &p_name);
diff --git a/scene/resources/primitive_meshes.cpp b/scene/resources/primitive_meshes.cpp
index db58fe7823..04d13c8869 100644
--- a/scene/resources/primitive_meshes.cpp
+++ b/scene/resources/primitive_meshes.cpp
@@ -157,6 +157,12 @@ Mesh::PrimitiveType PrimitiveMesh::surface_get_primitive_type(int p_idx) const {
 	return primitive_type;
 }
 
+void PrimitiveMesh::surface_set_material(int p_idx, const Ref<Material> &p_material) {
+	ERR_FAIL_INDEX(p_idx, 1);
+
+	set_material(p_material);
+}
+
 Ref<Material> PrimitiveMesh::surface_get_material(int p_idx) const {
 	ERR_FAIL_INDEX_V(p_idx, 1, NULL);
 
diff --git a/scene/resources/primitive_meshes.h b/scene/resources/primitive_meshes.h
index 88a26801b7..0045a48736 100644
--- a/scene/resources/primitive_meshes.h
+++ b/scene/resources/primitive_meshes.h
@@ -72,6 +72,7 @@ public:
 	virtual Array surface_get_blend_shape_arrays(int p_surface) const;
 	virtual uint32_t surface_get_format(int p_idx) const;
 	virtual Mesh::PrimitiveType surface_get_primitive_type(int p_idx) const;
+	virtual void surface_set_material(int p_idx, const Ref<Material> &p_material);
 	virtual Ref<Material> surface_get_material(int p_idx) const;
 	virtual int get_blend_shape_count() const;
 	virtual StringName get_blend_shape_name(int p_index) const;