Allocates a new #graphene_vec4_t structure.
Get the GType of Vec4
Retrieves a pointer to a #graphene_vec4_t with all its components set to 1.
Retrieves a pointer to a #graphene_vec4_t with its components set to (0, 0, 0, 1).
Retrieves a pointer to a #graphene_vec4_t with its components set to (1, 0, 0, 0).
Retrieves a pointer to a #graphene_vec4_t with its components set to (0, 1, 0, 0).
Retrieves a pointer to a #graphene_vec4_t with its components set to (0, 0, 1, 0).
Retrieves a pointer to a #graphene_vec4_t with all its components set to 0.