77 lines
3.0 KiB
C
77 lines
3.0 KiB
C
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// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_ANDROID_ANDROID_HARDWARE_BUFFER_COMPAT_H_
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#define BASE_ANDROID_ANDROID_HARDWARE_BUFFER_COMPAT_H_
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#include <android/hardware_buffer.h>
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#include <android/sensor.h>
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#include "base/base_export.h"
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#include "base/macros.h"
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#include "base/no_destructor.h"
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extern "C" {
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using PFAHardwareBuffer_allocate = void (*)(const AHardwareBuffer_Desc* desc,
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AHardwareBuffer** outBuffer);
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using PFAHardwareBuffer_acquire = void (*)(AHardwareBuffer* buffer);
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using PFAHardwareBuffer_describe = void (*)(const AHardwareBuffer* buffer,
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AHardwareBuffer_Desc* outDesc);
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using PFAHardwareBuffer_lock = int (*)(AHardwareBuffer* buffer,
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uint64_t usage,
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int32_t fence,
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const ARect* rect,
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void** outVirtualAddress);
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using PFAHardwareBuffer_recvHandleFromUnixSocket =
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int (*)(int socketFd, AHardwareBuffer** outBuffer);
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using PFAHardwareBuffer_release = void (*)(AHardwareBuffer* buffer);
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using PFAHardwareBuffer_sendHandleToUnixSocket =
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int (*)(const AHardwareBuffer* buffer, int socketFd);
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using PFAHardwareBuffer_unlock = int (*)(AHardwareBuffer* buffer,
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int32_t* fence);
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}
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namespace base {
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// This class provides runtime support for working with AHardwareBuffer objects
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// on Android O systems without requiring building for the Android O NDK level.
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// Don't call GetInstance() unless IsSupportAvailable() returns true.
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class BASE_EXPORT AndroidHardwareBufferCompat {
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public:
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static bool IsSupportAvailable();
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static AndroidHardwareBufferCompat& GetInstance();
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void Allocate(const AHardwareBuffer_Desc* desc, AHardwareBuffer** outBuffer);
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void Acquire(AHardwareBuffer* buffer);
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void Describe(const AHardwareBuffer* buffer, AHardwareBuffer_Desc* outDesc);
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int Lock(AHardwareBuffer* buffer,
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uint64_t usage,
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int32_t fence,
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const ARect* rect,
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void** out_virtual_address);
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int RecvHandleFromUnixSocket(int socketFd, AHardwareBuffer** outBuffer);
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void Release(AHardwareBuffer* buffer);
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int SendHandleToUnixSocket(const AHardwareBuffer* buffer, int socketFd);
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int Unlock(AHardwareBuffer* buffer, int32_t* fence);
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private:
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friend class NoDestructor<AndroidHardwareBufferCompat>;
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AndroidHardwareBufferCompat();
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PFAHardwareBuffer_allocate allocate_;
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PFAHardwareBuffer_acquire acquire_;
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PFAHardwareBuffer_describe describe_;
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PFAHardwareBuffer_lock lock_;
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PFAHardwareBuffer_recvHandleFromUnixSocket recv_handle_;
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PFAHardwareBuffer_release release_;
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PFAHardwareBuffer_sendHandleToUnixSocket send_handle_;
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PFAHardwareBuffer_unlock unlock_;
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DISALLOW_COPY_AND_ASSIGN(AndroidHardwareBufferCompat);
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};
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} // namespace base
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#endif // BASE_ANDROID_ANDROID_HARDWARE_BUFFER_COMPAT_H_
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