// 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 "ui/gfx/linux/native_pixmap_dmabuf.h"

#include <utility>

#include "base/posix/eintr_wrapper.h"

namespace gfx {

NativePixmapDmaBuf::NativePixmapDmaBuf(const gfx::Size& size,
                                       gfx::BufferFormat format,
                                       gfx::NativePixmapHandle handle)
    : size_(size), format_(format), handle_(std::move(handle)) {}

NativePixmapDmaBuf::~NativePixmapDmaBuf() {}

bool NativePixmapDmaBuf::AreDmaBufFdsValid() const {
  if (handle_.planes.empty())
    return false;

  for (const auto& plane : handle_.planes) {
    if (!plane.fd.is_valid())
      return false;
  }
  return true;
}

int NativePixmapDmaBuf::GetDmaBufFd(size_t plane) const {
  DCHECK_LT(plane, handle_.planes.size());
  return handle_.planes[plane].fd.get();
}

uint32_t NativePixmapDmaBuf::GetDmaBufPitch(size_t plane) const {
  DCHECK_LT(plane, handle_.planes.size());
  return handle_.planes[plane].stride;
}

size_t NativePixmapDmaBuf::GetDmaBufOffset(size_t plane) const {
  DCHECK_LT(plane, handle_.planes.size());
  return static_cast<size_t>(handle_.planes[plane].offset);
}

size_t NativePixmapDmaBuf::GetDmaBufPlaneSize(size_t plane) const {
  DCHECK_LT(plane, handle_.planes.size());
  return static_cast<size_t>(handle_.planes[plane].size);
}

uint64_t NativePixmapDmaBuf::GetBufferFormatModifier() const {
  return handle_.modifier;
}

gfx::BufferFormat NativePixmapDmaBuf::GetBufferFormat() const {
  return format_;
}

size_t NativePixmapDmaBuf::GetNumberOfPlanes() const {
  return handle_.planes.size();
}

gfx::Size NativePixmapDmaBuf::GetBufferSize() const {
  return size_;
}

uint32_t NativePixmapDmaBuf::GetUniqueId() const {
  return 0;
}

bool NativePixmapDmaBuf::ScheduleOverlayPlane(
    gfx::AcceleratedWidget widget,
    const gfx::OverlayPlaneData& overlay_plane_data,
    std::vector<gfx::GpuFence> acquire_fences,
    std::vector<gfx::GpuFence> release_fences) {
  return false;
}

gfx::NativePixmapHandle NativePixmapDmaBuf::ExportHandle() {
  return gfx::CloneHandleForIPC(handle_);
}

}  // namespace gfx