diff --git a/src/sampler.rs b/src/sampler.rs
index e9f6416..fef6666 100644
--- a/src/sampler.rs
+++ b/src/sampler.rs
@@ -158,4 +158,8 @@ impl SamplerStateRef {
             crate::nsstring_as_str(label)
         }
     }
+
+    pub fn gpu_resource_id(&self) -> MTLResourceID {
+        unsafe { msg_send![self, gpuResourceID] }
+    }
 }