1 /*
2  * Copyright 2018 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 #include "NativeWindowSurface.h"
18 
19 #include <gui/IGraphicBufferProducer.h>
20 #include <gui/Surface.h>
21 
22 namespace android::surfaceflinger {
23 
24 NativeWindowSurface::~NativeWindowSurface() = default;
25 
26 namespace impl {
27 
createNativeWindowSurface(const sp<IGraphicBufferProducer> & producer)28 std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
29         const sp<IGraphicBufferProducer>& producer) {
30     class NativeWindowSurface final : public surfaceflinger::NativeWindowSurface {
31     public:
32         explicit NativeWindowSurface(const sp<IGraphicBufferProducer>& producer)
33               : mSurface(new Surface(producer, /* controlledByApp */ false)) {}
34 
35         ~NativeWindowSurface() override = default;
36 
37         sp<ANativeWindow> getNativeWindow() const override { return mSurface; }
38 
39         void preallocateBuffers() override { mSurface->allocateBuffers(); }
40 
41     private:
42         sp<Surface> mSurface;
43     };
44 
45     return std::make_unique<NativeWindowSurface>(producer);
46 }
47 
48 } // namespace impl
49 } // namespace android::surfaceflinger
50