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

   1 // Copyright 2015 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_DRM_DISPLAY_H_
   6 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "ui/display/types/display_constants.h"
  12 #include "ui/gfx/geometry/point.h"
  13 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
  14
  15 typedef struct _drmModeModeInfo drmModeModeInfo;
  16
  17 namespace ui {
  18
  19 class DrmDevice;
  20 class HardwareDisplayControllerInfo;
  21 class ScreenManager;
  22
  23 struct GammaRampRGBEntry;
  24
  25 class DrmDisplay {
  26  public:
  27   DrmDisplay(ScreenManager* screen_manager,
  28              const scoped_refptr<DrmDevice>& drm);
  29   ~DrmDisplay();
  30
  31   int64_t display_id() const { return display_id_; }
  32   scoped_refptr<DrmDevice> drm() const { return drm_; }
  33   uint32_t crtc() const { return crtc_; }
  34   uint32_t connector() const { return connector_; }
  35   const std::vector<drmModeModeInfo>& modes() const { return modes_; }
  36
  37   DisplaySnapshot_Params Update(HardwareDisplayControllerInfo* info,
  38                                 size_t display_index);
  39
  40   bool Configure(const drmModeModeInfo* mode, const gfx::Point& origin);
  41   bool GetHDCPState(HDCPState* state);
  42   bool SetHDCPState(HDCPState state);
  43   void SetGammaRamp(const std::vector<GammaRampRGBEntry>& lut);
  44
  45  private:
  46   ScreenManager* screen_manager_;  // Not owned.
  47
  48   int64_t display_id_ = -1;
  49   scoped_refptr<DrmDevice> drm_;
  50   uint32_t crtc_ = 0;
  51   uint32_t connector_ = 0;
  52   std::vector<drmModeModeInfo> modes_;
  53   gfx::Point origin_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(DrmDisplay);
  56 };
  57
  58 }  // namespace ui
  59
  60 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_DISPLAY_H_