blob: 4457631e4595554f9675746e6953f5f9fdbaee37 [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/android/android_hardware_buffer_compat.h"
#include "base/android/build_info.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include <dlfcn.h>
#include "starboard/types.h"
namespace base {
namespace {
static base::LazyInstance<AndroidHardwareBufferCompat>::Leaky g_compat =
LAZY_INSTANCE_INITIALIZER;
} // namespace
AndroidHardwareBufferCompat::AndroidHardwareBufferCompat() {
DCHECK(IsSupportAvailable());
// TODO(klausw): If the Chromium build requires __ANDROID_API__ >= 26 at some
// point in the future, we could directly use the global functions instead of
// dynamic loading. However, since this would be incompatible with pre-Oreo
// devices, this is unlikely to happen in the foreseeable future, so just
// unconditionally use dynamic loading.
// cf. base/android/linker/modern_linker_jni.cc
void* main_dl_handle = dlopen(nullptr, RTLD_NOW);
*reinterpret_cast<void**>(&allocate_) =
dlsym(main_dl_handle, "AHardwareBuffer_allocate");
DCHECK(allocate_);
*reinterpret_cast<void**>(&acquire_) =
dlsym(main_dl_handle, "AHardwareBuffer_acquire");
DCHECK(acquire_);
*reinterpret_cast<void**>(&describe_) =
dlsym(main_dl_handle, "AHardwareBuffer_describe");
DCHECK(describe_);
*reinterpret_cast<void**>(&lock_) =
dlsym(main_dl_handle, "AHardwareBuffer_lock");
DCHECK(lock_);
*reinterpret_cast<void**>(&recv_handle_) =
dlsym(main_dl_handle, "AHardwareBuffer_recvHandleFromUnixSocket");
DCHECK(recv_handle_);
*reinterpret_cast<void**>(&release_) =
dlsym(main_dl_handle, "AHardwareBuffer_release");
DCHECK(release_);
*reinterpret_cast<void**>(&send_handle_) =
dlsym(main_dl_handle, "AHardwareBuffer_sendHandleToUnixSocket");
DCHECK(send_handle_);
*reinterpret_cast<void**>(&unlock_) =
dlsym(main_dl_handle, "AHardwareBuffer_unlock");
DCHECK(unlock_);
}
// static
bool AndroidHardwareBufferCompat::IsSupportAvailable() {
return base::android::BuildInfo::GetInstance()->sdk_int() >=
base::android::SDK_VERSION_OREO;
}
// static
AndroidHardwareBufferCompat AndroidHardwareBufferCompat::GetInstance() {
return g_compat.Get();
}
void AndroidHardwareBufferCompat::Allocate(const AHardwareBuffer_Desc* desc,
AHardwareBuffer** out_buffer) {
DCHECK(IsSupportAvailable());
allocate_(desc, out_buffer);
}
void AndroidHardwareBufferCompat::Acquire(AHardwareBuffer* buffer) {
DCHECK(IsSupportAvailable());
acquire_(buffer);
}
void AndroidHardwareBufferCompat::Describe(const AHardwareBuffer* buffer,
AHardwareBuffer_Desc* out_desc) {
DCHECK(IsSupportAvailable());
describe_(buffer, out_desc);
}
int AndroidHardwareBufferCompat::Lock(AHardwareBuffer* buffer,
uint64_t usage,
int32_t fence,
const ARect* rect,
void** out_virtual_address) {
DCHECK(IsSupportAvailable());
return lock_(buffer, usage, fence, rect, out_virtual_address);
}
int AndroidHardwareBufferCompat::RecvHandleFromUnixSocket(
int socket_fd,
AHardwareBuffer** out_buffer) {
DCHECK(IsSupportAvailable());
return recv_handle_(socket_fd, out_buffer);
}
void AndroidHardwareBufferCompat::Release(AHardwareBuffer* buffer) {
DCHECK(IsSupportAvailable());
release_(buffer);
}
int AndroidHardwareBufferCompat::SendHandleToUnixSocket(
const AHardwareBuffer* buffer,
int socket_fd) {
DCHECK(IsSupportAvailable());
return send_handle_(buffer, socket_fd);
}
int AndroidHardwareBufferCompat::Unlock(AHardwareBuffer* buffer,
int32_t* fence) {
DCHECK(IsSupportAvailable());
return unlock_(buffer, fence);
}
} // namespace base