[UR][Offload] Implement logger callbacks (#18755)

Author: RossBrunton

unified-runtime/source/adapters/offload/adapter.cpp

@@ -117,3 +117,20 @@ UR_APIEXPORT ur_result_t UR_APICALL urAdapterGetLastError(ur_adapter_handle_t,
   // "ADAPTER_SPECIFIC", which we never do
   return UR_RESULT_SUCCESS;
 }
+
+UR_APIEXPORT ur_result_t UR_APICALL urAdapterSetLoggerCallback(
+    ur_adapter_handle_t, ur_logger_callback_t pfnLoggerCallback,
+    void *pUserData, ur_logger_level_t level = UR_LOGGER_LEVEL_QUIET) {
+
+  Adapter.Logger.setCallbackSink(pfnLoggerCallback, pUserData, level);
+
+  return UR_RESULT_SUCCESS;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL
+urAdapterSetLoggerCallbackLevel(ur_adapter_handle_t, ur_logger_level_t level) {
+
+  Adapter.Logger.setCallbackLevel(level);
+
+  return UR_RESULT_SUCCESS;
+}

unified-runtime/source/adapters/offload/ur_interface_loader.cpp

@@ -207,8 +207,8 @@ UR_DLLEXPORT ur_result_t UR_APICALL urGetAdapterProcAddrTable(
   pDdiTable->pfnRelease = urAdapterRelease;
   pDdiTable->pfnRetain = urAdapterRetain;
   pDdiTable->pfnGetLastError = urAdapterGetLastError;
-  pDdiTable->pfnSetLoggerCallback = nullptr;
-  pDdiTable->pfnSetLoggerCallbackLevel = nullptr;
+  pDdiTable->pfnSetLoggerCallback = urAdapterSetLoggerCallback;
+  pDdiTable->pfnSetLoggerCallbackLevel = urAdapterSetLoggerCallbackLevel;
   return UR_RESULT_SUCCESS;
 }