ui/ozone/platform/drm/gpu/hardware_display_plane.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/platform/drm/gpu/hardware_display_plane.h"
   6
   7 #include <drm.h>
   8 #include <xf86drm.h>
   9
  10 #include "base/logging.h"
  11 #include "ui/gfx/geometry/rect.h"
  12 #include "ui/ozone/platform/drm/gpu/drm_device.h"
  13
  14 namespace ui {
  15
  16 HardwareDisplayPlane::HardwareDisplayPlane(uint32_t plane_id,
  17                                            uint32_t possible_crtcs)
  18     : plane_id_(plane_id),
  19       possible_crtcs_(possible_crtcs),
  20       in_use_(false),
  21       is_dummy_(false) {
  22 }
  23
  24 HardwareDisplayPlane::~HardwareDisplayPlane() {
  25 }
  26
  27 bool HardwareDisplayPlane::CanUseForCrtc(uint32_t crtc_index) {
  28   return possible_crtcs_ & (1 << crtc_index);
  29 }
  30
  31 bool HardwareDisplayPlane::Initialize(DrmDevice* drm) {
  32   return true;
  33 }
  34
  35 }  // namespace ui