ui/ozone/platform/dri/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_DRI_HARDWARE_DISPLAY_PLANE_H_
   6 #define UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_H_
   7
   8 #include <stddef.h>
   9 #include <stdint.h>
  10 #include <xf86drmMode.h>
  11
  12 #include "base/basictypes.h"
  13 #include "ui/ozone/platform/dri/scoped_drm_types.h"
  14
  15 namespace gfx {
  16 class Rect;
  17 }
  18
  19 namespace ui {
  20
  21 class DriWrapper;
  22
  23 class HardwareDisplayPlane {
  24  public:
  25   HardwareDisplayPlane(DriWrapper* drm,
  26                        drmModePropertySetPtr atomic_property_set,
  27                        ScopedDrmPlanePtr plane);
  28
  29   ~HardwareDisplayPlane();
  30
  31   bool Initialize();
  32
  33   bool CanUseForCrtc(uint32_t crtc_id);
  34   bool SetPlaneData(uint32_t crtc_id,
  35                     uint32_t framebuffer,
  36                     const gfx::Rect& crtc_rect,
  37                     const gfx::Rect& src_rect);
  38
  39   bool in_use() const { return in_use_; }
  40   void set_in_use(bool in_use) { in_use_ = in_use; }
  41
  42  private:
  43   struct Property {
  44     Property();
  45     bool Initialize(DriWrapper* drm,
  46                     const char* name,
  47                     const ScopedDrmObjectPropertyPtr& plane_properties);
  48     uint32_t id_;
  49   };
  50   // Object containing the connection to the graphics device and wraps the API
  51   // calls to control it.
  52   DriWrapper* drm_;
  53
  54   // Not owned.
  55   drmModePropertySetPtr property_set_;
  56
  57   ScopedDrmPlanePtr plane_;
  58   uint32_t plane_id_;
  59   bool in_use_;
  60
  61   Property crtc_prop_;
  62   Property fb_prop_;
  63   Property crtc_x_prop_;
  64   Property crtc_y_prop_;
  65   Property crtc_w_prop_;
  66   Property crtc_h_prop_;
  67   Property src_x_prop_;
  68   Property src_y_prop_;
  69   Property src_w_prop_;
  70   Property src_h_prop_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlane);
  73 };
  74
  75 }  // namespace ui
  76
  77 #endif  // UI_OZONE_PLATFORM_DRI_HARDWARE_DISPLAY_PLANE_H_