garnet/drivers/gpu/msd-arm-mali/src/gpu_mapping.cc

// Copyright 2017 The Fuchsia 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 "gpu_mapping.h"

#include "msd_arm_buffer.h"

GpuMapping::GpuMapping(uint64_t addr, uint64_t page_offset, uint64_t size, uint64_t flags,
                       Owner* owner, std::shared_ptr<MsdArmBuffer> buffer)
    : addr_(addr),
      page_offset_(page_offset),
      size_(size),
      flags_(flags),
      owner_(owner),
      buffer_(buffer) {
  buffer->AddMapping(this);
}

GpuMapping::~GpuMapping() {
  auto buffer = buffer_.lock();
  if (buffer)
    buffer->RemoveMapping(this);
}

std::weak_ptr<MsdArmBuffer> GpuMapping::buffer() const { return buffer_; }