1 files changed, 103 insertions, 0 deletions
diff --git a/xbmc/windowing/gbm/drm/DRMUtils.h b/xbmc/windowing/gbm/drm/DRMUtils.h
new file mode 100644
index 0000000..5327e35
--- /dev/null
+++ b/xbmc/windowing/gbm/drm/DRMUtils.h
@@ -0,0 +1,103 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "DRMConnector.h"
+#include "DRMCrtc.h"
+#include "DRMEncoder.h"
+#include "DRMPlane.h"
+#include "windowing/Resolution.h"
+#include "windowing/gbm/GBMUtils.h"
+
+#include <vector>
+
+#include <gbm.h>
+#include <xf86drm.h>
+
+namespace KODI
+{
+namespace WINDOWING
+{
+namespace GBM
+{
+
+struct drm_fb
+{
+  struct gbm_bo *bo = nullptr;
+  uint32_t fb_id;
+  uint32_t format;
+};
+
+class CDRMUtils
+{
+public:
+  CDRMUtils() = default;
+  virtual ~CDRMUtils();
+  virtual void FlipPage(struct gbm_bo* bo, bool rendered, bool videoLayer) {}
+  virtual bool SetVideoMode(const RESOLUTION_INFO& res, struct gbm_bo* bo) { return false; }
+  virtual bool SetActive(bool active) { return false; }
+  virtual bool InitDrm();
+  virtual void DestroyDrm();
+
+  int GetFileDescriptor() const { return m_fd; }
+  int GetRenderNodeFileDescriptor() const { return m_renderFd; }
+  const char* GetRenderDevicePath() const { return m_renderDevicePath; }
+  CDRMPlane* GetVideoPlane() const { return m_video_plane; }
+  CDRMPlane* GetGuiPlane() const { return m_gui_plane; }
+  CDRMCrtc* GetCrtc() const { return m_crtc; }
+  CDRMConnector* GetConnector() const { return m_connector; }
+
+  std::vector<std::string> GetConnectedConnectorNames();
+
+  virtual RESOLUTION_INFO GetCurrentMode();
+  virtual std::vector<RESOLUTION_INFO> GetModes();
+  virtual bool SetMode(const RESOLUTION_INFO& res);
+
+  static uint32_t FourCCWithAlpha(uint32_t fourcc);
+  static uint32_t FourCCWithoutAlpha(uint32_t fourcc);
+
+protected:
+  bool OpenDrm(bool needConnector);
+  drm_fb* DrmFbGetFromBo(struct gbm_bo *bo);
+
+  int m_fd;
+  CDRMConnector* m_connector{nullptr};
+  CDRMEncoder* m_encoder{nullptr};
+  CDRMCrtc* m_crtc{nullptr};
+  CDRMCrtc* m_orig_crtc{nullptr};
+  CDRMPlane* m_video_plane{nullptr};
+  CDRMPlane* m_gui_plane{nullptr};
+  drmModeModeInfo *m_mode = nullptr;
+
+  int m_width = 0;
+  int m_height = 0;
+
+  std::vector<std::unique_ptr<CDRMPlane>> m_planes;
+
+private:
+  bool FindConnector();
+  bool FindEncoder();
+  bool FindCrtc();
+  bool FindPlanes();
+  bool FindPreferredMode();
+  bool RestoreOriginalMode();
+  RESOLUTION_INFO GetResolutionInfo(drmModeModeInfoPtr mode);
+  void PrintDrmDeviceInfo(drmDevicePtr device);
+
+  int m_renderFd;
+  const char* m_renderDevicePath{nullptr};
+
+  std::vector<std::unique_ptr<CDRMConnector>> m_connectors;
+  std::vector<std::unique_ptr<CDRMEncoder>> m_encoders;
+  std::vector<std::unique_ptr<CDRMCrtc>> m_crtcs;
+};
+
+}
+}
+}