Revert "Revert "Use RenderScript for large text blurs""

This reverts commit bf5703e52e3304246cbf0e73f6976f7d7312d238.

Change-Id: Ic6f991277dec9e80a6fed93db91499726b30ab2a
diff --git a/libs/hwui/utils/Timing.h b/libs/hwui/utils/Timing.h
new file mode 100644
index 0000000..eced987
--- /dev/null
+++ b/libs/hwui/utils/Timing.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+#ifndef ANDROID_HWUI_TIMING_H
+#define ANDROID_HWUI_TIMING_H
+
+#include <sys/time.h>
+
+#define TIME_METHOD() MethodTimer __method_timer(__func__)
+class MethodTimer {
+public:
+    MethodTimer(const char* name)
+            : mMethodName(name) {
+        gettimeofday(&mStart, NULL);
+    }
+
+    ~MethodTimer() {
+        struct timeval stop;
+        gettimeofday(&stop, NULL);
+        long long elapsed = (stop.tv_sec * 1000000) - (mStart.tv_sec * 1000000)
+                + (stop.tv_usec - mStart.tv_usec);
+        ALOGD("%s took %.2fms", mMethodName, elapsed / 1000.0);
+    }
+private:
+    const char* mMethodName;
+    struct timeval mStart;
+};
+
+#endif