1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#pragma once
18
19#include "GlesDriver.h"
20
21namespace android {
22namespace uirenderer {
23namespace debug {
24
25template <typename Driver>
26class ScopedReplaceDriver {
27public:
28    ScopedReplaceDriver() {
29        std::unique_ptr<Driver> glDriver = std::make_unique<Driver>();
30        mCurrentDriver = glDriver.get();
31        mOldDriver = GlesDriver::replace(std::move(glDriver));
32    }
33
34    Driver& get() { return *mCurrentDriver; }
35
36    ~ScopedReplaceDriver() {
37        GlesDriver::replace(std::move(mOldDriver));
38    }
39private:
40    std::unique_ptr<GlesDriver> mOldDriver;
41    Driver* mCurrentDriver;
42};
43
44} // namespace debug
45} // namespace uirenderer
46} // namespace android
47