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   enum Type { kDummy, kPrimary, kOverlay, kCursor };
  26
  27   HardwareDisplayPlane(uint32_t plane_id, uint32_t possible_crtcs);
  28
  29   virtual ~HardwareDisplayPlane();
  30
  31   bool Initialize(DrmDevice* drm,
  32                   const std::vector<uint32_t>& formats,
  33                   bool is_dummy,
  34                   bool test_only);
  35
  36   bool IsSupportedFormat(uint32_t format);
  37
  38   bool CanUseForCrtc(uint32_t crtc_index);
  39
  40   bool in_use() const { return in_use_; }
  41   void set_in_use(bool in_use) { in_use_ = in_use; }
  42
  43   uint32_t plane_id() const { return plane_id_; }
  44
  45   Type type() const { return type_; }
  46
  47   void set_owning_crtc(uint32_t crtc) { owning_crtc_ = crtc; }
  48   uint32_t owning_crtc() const { return owning_crtc_; }
  49
  50  protected:
  51   virtual bool InitializeProperties(
  52       DrmDevice* drm,
  53       const ScopedDrmObjectPropertyPtr& plane_props);
  54
  55   uint32_t plane_id_ = 0;
  56   uint32_t possible_crtcs_ = 0;
  57   uint32_t owning_crtc_ = 0;
  58   uint32_t last_used_format_ = 0;
  59   bool in_use_ = false;
  60   Type type_ = kPrimary;
  61   std::vector<uint32_t> supported_formats_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlane);
  64 };
  65
  66 }  // namespace ui
  67
  68 #endif  // UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_PLANE_H_