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/*
* Copyright 2020 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 <gui/Surface.h>
#include <gui/bufferqueue/2.0/H2BGraphicBufferProducer.h>
#include "include/bufferqueueconverter/BufferQueueConverter.h"
using ::android::Surface;
using ::android::IGraphicBufferProducer;
using ::android::hardware::graphics::bufferqueue::V2_0::utils::H2BGraphicBufferProducer;
namespace android {
struct SurfaceHolder {
sp<Surface> surface;
SurfaceHolder(const sp<Surface>& s) : surface(s) {}
};
/**
* Custom deleter for SurfaceHolder unique pointer
*/
void destroySurfaceHolder(SurfaceHolder* surfaceHolder) {
delete surfaceHolder;
}
SurfaceHolderUniquePtr getSurfaceFromHGBP(const sp<HGraphicBufferProducer>& token) {
if (token == nullptr) {
ALOGE("Passed IGraphicBufferProducer handle is invalid.");
return SurfaceHolderUniquePtr(nullptr, nullptr);
}
sp<IGraphicBufferProducer> bufferProducer = new H2BGraphicBufferProducer(token);
if (bufferProducer == nullptr) {
ALOGE("Failed to get IGraphicBufferProducer.");
return SurfaceHolderUniquePtr(nullptr, nullptr);
}
sp<Surface> newSurface(new Surface(bufferProducer, true));
if (newSurface == nullptr) {
ALOGE("Failed to create Surface from HGBP.");
return SurfaceHolderUniquePtr(nullptr, nullptr);
}
return SurfaceHolderUniquePtr(new SurfaceHolder(newSurface), destroySurfaceHolder);
}
ANativeWindow* getNativeWindow(SurfaceHolder* handle) {
if (handle == nullptr) {
ALOGE("SurfaceHolder is invalid.");
return nullptr;
}
return static_cast<ANativeWindow*>(handle->surface.get());
}
} // namespace android
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