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      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_
     78