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/*
* Copyright (C) 2020 Arm Limited. All rights reserved.
*
* 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 <hwbinder/IPCThreadState.h>
#include "GrallocAllocator.h"
#include "hidl_common/BufferDescriptor.h"
#include "hidl_common/Allocator.h"
#include "allocator/mali_gralloc_ion.h"
namespace arm
{
namespace allocator
{
using android::hardware::graphics::allocator::V4_0::IAllocator;
using android::hardware::graphics::mapper::V4_0::Error;
using android::hardware::Return;
using android::hardware::hidl_handle;
using android::hardware::hidl_vec;
using android::hardware::Void;
using android::hardware::hidl_string;
unsigned long callingPid() {
android::hardware::IPCThreadState* ipc = android::hardware::IPCThreadState::self();
return static_cast<unsigned long>(ipc->getCallingPid());
}
GrallocAllocator::GrallocAllocator()
{
}
GrallocAllocator::~GrallocAllocator()
{
mali_gralloc_ion_close();
}
Return<void> GrallocAllocator::allocate(const BufferDescriptor &descriptor, uint32_t count, allocate_cb hidl_cb)
{
log_setup();
MALI_GRALLOC_LOGV("Allocation request from process: %lu", callingPid());
buffer_descriptor_t bufferDescriptor;
if (!mapper::common::grallocDecodeBufferDescriptor(descriptor, bufferDescriptor))
{
hidl_cb(Error::BAD_DESCRIPTOR, 0, hidl_vec<hidl_handle>());
return Void();
}
common::allocate(bufferDescriptor, count, hidl_cb);
return Void();
}
} // namespace allocator
} // namespace arm
extern "C" IAllocator *HIDL_FETCH_IAllocator(const char * /* name */)
{
MALI_GRALLOC_LOGV("Arm Module IAllocator %d.%d, pid = %d ppid = %d", GRALLOC_VERSION_MAJOR,
(HIDL_ALLOCATOR_VERSION_SCALED - (GRALLOC_VERSION_MAJOR * 100)) / 10, getpid(), getppid());
return new arm::allocator::GrallocAllocator();
}
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