1 files changed, 46 insertions, 0 deletions
diff --git a/libs/hwui/debug/ScopedReplaceDriver.h b/libs/hwui/debug/ScopedReplaceDriver.h
new file mode 100644
index 000000000000..342c9d223727
--- /dev/null
+++ b/libs/hwui/debug/ScopedReplaceDriver.h
@@ -0,0 +1,46 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include "GlesDriver.h"
+
+namespace android {
+namespace uirenderer {
+namespace debug {
+
+template <typename Driver>
+class ScopedReplaceDriver {
+public:
+    ScopedReplaceDriver() {
+        std::unique_ptr<Driver> glDriver = std::make_unique<Driver>();
+        mCurrentDriver = glDriver.get();
+        mOldDriver = GlesDriver::replace(std::move(glDriver));
+    }
+
+    Driver& get() { return *mCurrentDriver; }
+
+    ~ScopedReplaceDriver() {
+        GlesDriver::replace(std::move(mOldDriver));
+    }
+private:
+    std::unique_ptr<GlesDriver> mOldDriver;
+    Driver* mCurrentDriver;
+};
+
+} // namespace debug
+} // namespace uirenderer
+} // namespace android