Initial work

external/android-emugl/shared/emugl/common/logging.cpp

@@ -0,0 +1,38 @@
+/*
+* Copyright (C) 2016 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "emugl/common/logging.h"
+
+void default_logger(const char* fmt, ...) { }
+
+logger_t emugl_logger = default_logger;
+logger_t emugl_cxt_logger = default_logger;
+
+void set_emugl_logger(logger_t f) {
+    if (!f) {
+        emugl_logger = default_logger;
+    } else {
+        emugl_logger = f;
+    }
+}
+
+void set_emugl_cxt_logger(logger_t f) {
+    if (!f) {
+        emugl_cxt_logger = default_logger;
+    } else {
+        emugl_cxt_logger = f;
+    }
+}