linux/EGL DRM/DMA surface protocol

typedef struct _PRL_IO_SCREEN_SURFACE_EX {
  PRL_UINT32 windowId;
  PRL_INT32 surfaceId;
  PRL_INT32 scrollX;
  PRL_INT32 scrollY;
  PRL_UINT32 width;
  PRL_UINT32 height;
  PRL_UINT32 display;
  PRL_UINT32 fourCC;
  PRL_UINT32 offset;
  PRL_UINT32 stride;
  PRL_UINT32 modifierHi;
  PRL_UINT32 modifierLo;
} PRL_IO_SCREEN_SURFACE_EX;