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

   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 #ifndef UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_PLANE_H_
   6 #define UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_PLANE_H_
   7
   8 #include <stddef.h>
   9 #include <stdint.h>
  10
  11 #include "base/basictypes.h"
  12 #include "ui/ozone/ozone_export.h"
  13 #include "ui/ozone/platform/drm/common/scoped_drm_types.h"
  14
  15 namespace gfx {
  16 class Rect;
  17 }
  18
  19 namespace ui {
  20
  21 class DrmDevice;
  22
  23 class OZONE_EXPORT HardwareDisplayPlane {
  24  public:
  25   HardwareDisplayPlane(uint32_t plane_id, uint32_t possible_crtcs);
  26
  27   virtual ~HardwareDisplayPlane();
  28
  29   virtual bool Initialize(DrmDevice* drm);
  30
  31   bool CanUseForCrtc(uint32_t crtc_index);
  32
  33   bool in_use() const { return in_use_; }
  34   void set_in_use(bool in_use) { in_use_ = in_use; }
  35
  36   bool is_dummy() const { return is_dummy_; }
  37   void set_is_dummy(bool is_dummy) { is_dummy_ = is_dummy; }
  38
  39   uint32_t plane_id() const { return plane_id_; }
  40
  41   void set_owning_crtc(uint32_t crtc) { owning_crtc_ = crtc; }
  42   uint32_t owning_crtc() const { return owning_crtc_; }
  43
  44  protected:
  45   uint32_t plane_id_ = 0;
  46   uint32_t possible_crtcs_ = 0;
  47   uint32_t owning_crtc_ = 0;
  48   bool in_use_ = false;
  49   bool is_dummy_ = false;
  50
  51   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlane);
  52 };
  53
  54 }  // namespace ui
  55
  56 #endif  // UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_PLANE_H_