diff --git a/src/video/os2/my_gradd.h b/src/video/os2/my_gradd.h
index 026fd714d..3f0f3265d 100644
--- a/src/video/os2/my_gradd.h
+++ b/src/video/os2/my_gradd.h
@@ -25,10 +25,29 @@ typedef ULONG (_System FNVMIENTRY) (
 
 #define VMI_CMD_INITPROC 1
 #define VMI_CMD_TERMPROC 3
+#define VMI_CMD_QUERYMODES 5
+#define VMI_CMD_SETMODE 6
+#define VMI_CMD_PALETTE 7
 #define VMI_CMD_BITBLT 8
+#define VMI_CMD_LINE  9
 #define VMI_CMD_REQUESTHW 14
 #define VMI_CMD_QUERYCURRENTMODE 0x1001
 
+#define QUERYMODE_NUM_MODES 0x01
+#define QUERYMODE_MODE_DATA 0x02
+
+typedef struct _HWPALETTEINFO {
+  ULONG     ulLength;         /* Size of the HWPALETTEINFO data structure, in bytes. */
+  ULONG     fFlags;           /* Palette flag. */
+  ULONG     ulStartIndex;     /* Starting palette index. */
+  ULONG     ulNumEntries;     /* Number of palette slots to query or set. */
+  PRGB2     pRGBs;            /* Pointer to the array of RGB values. */
+} HWPALETTEINFO;
+typedef HWPALETTEINFO *PHWPALETTEINFO;
+
+#define PALETTE_GET 0x01
+#define PALETTE_SET 0x02
+
 typedef struct _BMAPINFO {
   ULONG     ulLength;         /* Length of the BMAPINFO data structure, in bytes. */
   ULONG     ulType;           /* Description of the Blt. */
@@ -43,6 +62,44 @@ typedef BMAPINFO *PBMAPINFO;
 #define BMAP_VRAM 0
 #define BMAP_MEMORY 1
 
+typedef struct _LINEPACK {
+  ULONG        ulStyleStep;   /* Value to be added to ulStyleValue. */
+  ULONG        ulStyleValue;  /* Style value at the current pel. */
+  ULONG        ulFlags;       /* Flags used for the LINEPACK data structure. */
+  struct _LINEPACK *plpkNext; /* Pointer to next LINEPACK data structure. */
+  ULONG        ulAbsDeltaX;   /* Clipped Bresenham Delta X, absolute. */
+  ULONG        ulAbsDeltaY;   /* Clipped Bresenham Delta Y, absolute. */
+  POINTL       ptlClipStart;  /* Pointer to location for device to perform Bresenham algorithm. */
+  POINTL       ptlClipEnd;    /* Ending location for Bresenham algorithm (see ptlClipStart). */
+  POINTL       ptlStart;      /* Pointer to starting location for line. */
+  POINTL       ptlEnd;        /* Ending location for line. */
+  LONG         lClipStartError;/* Standard Bresenham error at the clipped start point. */
+} LINEPACK;
+typedef LINEPACK *PLINEPACK;
+
+typedef struct _LINEINFO {
+  ULONG         ulLength;     /* Length of LINEINFO data structure. */
+  ULONG         ulType;       /* Defines line type. */
+  ULONG         ulStyleMask;  /* A 32-bit style mask. */
+  ULONG         cLines;       /* Count of lines to be drawn. */
+  ULONG         ulFGColor;    /* Line Foreground color. */
+  ULONG         ulBGColor;    /* Line Background color. */
+  USHORT        usForeROP;    /* Line Foreground mix. */
+  USHORT        usBackROP;    /* Line Background mix. */
+  PBMAPINFO     pDstBmapInfo; /* Pointer to destination surface bit map. */
+  PLINEPACK     alpkLinePack; /* Pointer to LINEPACK data structure. */
+  PRECTL        prclBounds;   /* Pointer to bounding rect of a clipped line. */
+} LINEINFO;
+typedef LINEINFO *PLINEINFO;
+
+#define LINE_DO_FIRST_PEL 0x02
+#define LINE_DIR_Y_POSITIVE 0x04
+#define LINE_HORIZONTAL 0x08
+#define LINE_DIR_X_POSITIVE 0x20
+#define LINE_VERTICAL 0x1000
+#define LINE_DO_LAST_PEL 0x4000
+#define LINE_SOLID 0x01
+
 typedef struct _BLTRECT {
   ULONG     ulXOrg;           /* X origin of the destination Blt. */
   ULONG     ulYOrg;           /* Y origin of the destination Blt. */
@@ -102,4 +159,13 @@ typedef HWREQIN *PHWREQIN;
 
 #define REQUEST_HW 0x01
 
+/*
+BOOL GreDeath(HDC hdc, PVOID pInstance, LONG lFunction);
+LONG GreResurrection(HDC hdc, LONG cbVmem, PULONG pReserved, PVOID pInstance, LONG lFunction);
+*/
+#define GreDeath(h) (BOOL)Gre32Entry3((ULONG)(h), 0, 0x40B7L)
+#define GreResurrection(h,n,r) (LONG)Gre32Entry5((ULONG)(h), (ULONG)(n), (ULONG)(r), 0, 0x40B8L)
+ULONG _System Gre32Entry3(ULONG, ULONG, ULONG);
+ULONG _System Gre32Entry5(ULONG, ULONG, ULONG, ULONG, ULONG);
+
 #endif /* my_gradd_h_ */