Hand-apply patch (compositing) from Authentic8: 5d5e470 81c9c29 b0c2c10 27d8a01 a96a217 e512090 a9a6762 9c02bfa bd26fcc c0d29d9 676dd35 3b26737

18 files changed, 1087 insertions, 302 deletions

diff --git a/common/xrdp_constants.h b/common/xrdp_constants.h
index 53c54852..8a81d18f 100644
--- a/common/xrdp_constants.h
+++ b/common/xrdp_constants.h
@@ -416,6 +416,7 @@
 #define RDP_ORDER_TRIBLT    14
 #define RDP_ORDER_POLYLINE  22
 #define RDP_ORDER_TEXT2     27
+#define RDP_ORDER_COMPOSITE 37 /* 0x25 */
 
 #define RDP_ORDER_RAW_BMPCACHE  0
 #define RDP_ORDER_COLCACHE      1
diff --git a/libxrdp/libxrdp.c b/libxrdp/libxrdp.c
index 23cf5b09..bd247c61 100644
--- a/libxrdp/libxrdp.c
+++ b/libxrdp/libxrdp.c
@@ -628,6 +628,25 @@ libxrdp_orders_mem_blt(struct xrdp_session *session, int cache_id,
 }
 
 /******************************************************************************/
+int DEFAULT_CC
+libxrdp_orders_composite_blt(struct xrdp_session* session, int srcidx,
+                             int srcformat, int srcwidth, int srcrepeat,
+                             int* srctransform, int mskflags,
+                             int mskidx, int mskformat, int mskwidth,
+                             int mskrepeat, int op, int srcx, int srcy,
+                             int mskx, int msky, int dstx, int dsty,
+                             int width, int height, int dstformat,
+                             struct xrdp_rect* rect)
+{
+  return xrdp_orders_composite_blt((struct xrdp_orders*)session->orders,
+                                   srcidx, srcformat, srcwidth, srcrepeat,
+                                   srctransform, mskflags,
+                                   mskidx, mskformat, mskwidth, mskrepeat,
+                                   op, srcx, srcy, mskx, msky, dstx, dsty,
+                                   width, height, dstformat, rect);
+}
+
+/******************************************************************************/
 int EXPORT_CC
 libxrdp_orders_text(struct xrdp_session *session,
                     int font, int flags, int mixmode,
diff --git a/libxrdp/libxrdp.h b/libxrdp/libxrdp.h
index 83d3285c..33bcdc09 100644
--- a/libxrdp/libxrdp.h
+++ b/libxrdp/libxrdp.h
@@ -197,6 +197,28 @@ struct xrdp_orders_state
   int text_y;
   int text_len;
   char* text_data;
+
+  int com_blt_srcidx;    /* RDP_ORDER_COMPOSITE */  /* 2 */
+  int com_blt_srcformat;                            /* 2 */
+  int com_blt_srcwidth;                             /* 2 */
+  int com_blt_srcrepeat;                            /* 1 */
+  int com_blt_srctransform[10];                     /* 40 */
+  int com_blt_mskflags;                             /* 1 */
+  int com_blt_mskidx;                               /* 2 */
+  int com_blt_mskformat;                            /* 2 */
+  int com_blt_mskwidth;                             /* 2 */
+  int com_blt_mskrepeat;                            /* 1 */
+  int com_blt_op;                                   /* 1 */
+  int com_blt_srcx;                                 /* 2 */
+  int com_blt_srcy;                                 /* 2 */
+  int com_blt_mskx;                                 /* 2 */
+  int com_blt_msky;                                 /* 2 */
+  int com_blt_dstx;                                 /* 2 */
+  int com_blt_dsty;                                 /* 2 */
+  int com_blt_width;                                /* 2 */
+  int com_blt_height;                               /* 2 */
+  int com_blt_dstformat;                            /* 2 */
+    
 };
 
 /* orders */
@@ -379,6 +401,15 @@ xrdp_orders_mem_blt(struct xrdp_orders* self, int cache_id,
                     int rop, int srcx, int srcy,
                     int cache_idx, struct xrdp_rect* rect);
 int APP_CC
+xrdp_orders_composite_blt(struct xrdp_orders* self, int srcidx,
+                          int srcformat, int srcwidth,
+                          int srcrepeat, int* srctransform, int mskflags,
+                          int mskidx, int mskformat, int mskwidth,
+                          int mskrepeat, int op, int srcx, int srcy,
+                          int mskx, int msky, int dstx, int dsty,
+                          int width, int height, int dstformat,
+                          struct xrdp_rect* rect);
+int APP_CC
 xrdp_orders_text(struct xrdp_orders* self,
                  int font, int flags, int mixmode,
                  int fg_color, int bg_color,
diff --git a/libxrdp/libxrdpinc.h b/libxrdp/libxrdpinc.h
index 2e5caee9..e5f52a05 100644
--- a/libxrdp/libxrdpinc.h
+++ b/libxrdp/libxrdpinc.h
@@ -130,6 +130,16 @@ libxrdp_orders_mem_blt(struct xrdp_session* session, int cache_id,
                        int rop, int srcx, int srcy,
                        int cache_idx, struct xrdp_rect* rect);
 int DEFAULT_CC
+libxrdp_orders_composite_blt(struct xrdp_session* session, int srcidx,
+                             int srcformat, int srcwidth, int srcrepeat,
+                             int* srctransform, int mskflags,
+                             int mskidx, int mskformat, int mskwidth,
+                             int mskrepeat, int op, int srcx, int srcy,
+                             int mskx, int msky, int dstx, int dsty,
+                             int width, int height, int dstformat,
+                             struct xrdp_rect* rect);
+
+int DEFAULT_CC
 libxrdp_orders_text(struct xrdp_session* session,
                     int font, int flags, int mixmode,
                     int fg_color, int bg_color,
diff --git a/libxrdp/xrdp_orders.c b/libxrdp/xrdp_orders.c
index 0fc4b10d..5678c79b 100644
--- a/libxrdp/xrdp_orders.c
+++ b/libxrdp/xrdp_orders.c
@@ -1592,6 +1592,332 @@ xrdp_orders_mem_blt(struct xrdp_orders *self, int cache_id,
 /*****************************************************************************/
 /* returns error */
 int APP_CC
+xrdp_orders_composite_blt(struct xrdp_orders* self, int srcidx, int srcformat,
+                          int srcwidth, int srcrepeat, int* srctransform,
+                          int mskflags, int mskidx, int mskformat,
+                          int mskwidth, int mskrepeat, int op,
+                          int srcx, int srcy, int mskx, int msky,
+                          int dstx, int dsty, int width, int height,
+                          int dstformat,
+                          struct xrdp_rect* rect)
+{
+    int order_flags;
+    int vals[20];
+    int present;
+    char* present_ptr;
+    char* order_flags_ptr;
+    
+    xrdp_orders_check(self, 80);
+    self->order_count++;
+    order_flags = RDP_ORDER_STANDARD;
+    if (self->orders_state.last_order != RDP_ORDER_COMPOSITE)
+    {
+        order_flags |= RDP_ORDER_CHANGE;
+    }
+    self->orders_state.last_order = RDP_ORDER_COMPOSITE;
+    if (rect != 0)
+    {
+        /* if clip is present, still check if its needed */
+        if (dstx < rect->left || dsty < rect->top ||
+            dstx + width > rect->right || dsty + height > rect->bottom)
+        {
+            order_flags |= RDP_ORDER_BOUNDS;
+            if (xrdp_orders_last_bounds(self, rect))
+            {
+                
+                order_flags |= RDP_ORDER_LASTBOUNDS;
+                
+            }
+        }
+    }
+    vals[0] = srcx;
+    vals[1] = self->orders_state.com_blt_srcx;
+    vals[2] = srcy;
+    vals[3] = self->orders_state.com_blt_srcy;
+    vals[4] = mskx;
+    vals[5] = self->orders_state.com_blt_mskx;
+    vals[6] = msky;
+    vals[7] = self->orders_state.com_blt_msky;
+    vals[8] = dstx;
+    vals[9] = self->orders_state.com_blt_dstx;
+    vals[10] = dsty;
+    vals[11] = self->orders_state.com_blt_dsty;
+    vals[12] = width;
+    vals[13] = self->orders_state.com_blt_width;
+    vals[14] = height;
+    vals[15] = self->orders_state.com_blt_height;
+    vals[16] = srcwidth;
+    vals[17] = self->orders_state.com_blt_srcwidth;
+    vals[18] = mskwidth;
+    vals[19] = self->orders_state.com_blt_mskwidth;
+    if (xrdp_orders_send_delta(self, vals, 20))
+    {
+        order_flags |= RDP_ORDER_DELTA;
+    }
+    /* order_flags, set later, 1 byte */
+    order_flags_ptr = self->out_s->p;
+    out_uint8s(self->out_s, 1);
+    if (order_flags & RDP_ORDER_CHANGE)
+    {
+        out_uint8(self->out_s, self->orders_state.last_order);
+    }
+    present = 0;
+    /* present, set later, 3 bytes */
+    present_ptr = self->out_s->p;
+    out_uint8s(self->out_s, 3);
+    if ((order_flags & RDP_ORDER_BOUNDS) &&
+        !(order_flags & RDP_ORDER_LASTBOUNDS))
+    {
+        xrdp_orders_out_bounds(self, rect);
+    }
+    
+    if (srcidx != self->orders_state.com_blt_srcidx)
+    {
+        present |= 0x000001;
+        out_uint16_le(self->out_s, srcidx);
+        self->orders_state.com_blt_srcidx = srcidx;
+    }
+    
+    if (srcformat != self->orders_state.com_blt_srcformat)
+    {
+        present |= 0x000002;
+        out_uint32_le(self->out_s, srcformat);
+        self->orders_state.com_blt_srcformat = srcformat;
+    }
+    
+    if (srcwidth != self->orders_state.com_blt_srcwidth)
+    {
+        present |= 0x000004;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, srcwidth - self->orders_state.com_blt_srcwidth);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, srcwidth);
+        }
+        self->orders_state.com_blt_srcwidth = srcwidth;
+    }
+    
+    if (srcrepeat != self->orders_state.com_blt_srcrepeat)
+    {
+        present |= 0x000008;
+        out_uint8(self->out_s, srcrepeat);
+        self->orders_state.com_blt_srcrepeat = srcrepeat;
+    }
+    
+    if (srctransform != 0)
+    {
+        if (srctransform[0] != self->orders_state.com_blt_srctransform[0])
+        {
+            present |= 0x000010;
+            out_uint32_le(self->out_s, srctransform[0]);
+            self->orders_state.com_blt_srctransform[0] = srctransform[0];
+        }
+        if (g_memcmp(&(srctransform[1]),
+                     &(self->orders_state.com_blt_srctransform[1]),
+                     36) != 0)
+        {
+            present |= 0x000020;
+            out_uint32_le(self->out_s, srctransform[1]);
+            out_uint32_le(self->out_s, srctransform[2]);
+            out_uint32_le(self->out_s, srctransform[3]);
+            out_uint32_le(self->out_s, srctransform[4]);
+            out_uint32_le(self->out_s, srctransform[5]);
+            out_uint32_le(self->out_s, srctransform[6]);
+            out_uint32_le(self->out_s, srctransform[7]);
+            out_uint32_le(self->out_s, srctransform[8]);
+            out_uint32_le(self->out_s, srctransform[9]);
+        }
+    }
+    else
+    {
+        if (self->orders_state.com_blt_srctransform[0] != 0)
+        {
+            present |= 0x000010;
+            out_uint32_le(self->out_s, 0);
+            self->orders_state.com_blt_srctransform[0] = 0;
+        }
+    }
+    
+    if (mskflags != self->orders_state.com_blt_mskflags)
+    {
+        present |= 0x000040;
+        out_uint8(self->out_s, mskflags);
+        self->orders_state.com_blt_mskflags = mskflags;
+    }
+    
+    if (mskidx != self->orders_state.com_blt_mskidx)
+    {
+        present |= 0x000080;
+        out_uint16_le(self->out_s, mskidx);
+        self->orders_state.com_blt_mskidx = mskidx;
+    }
+    
+    if (mskformat != self->orders_state.com_blt_mskformat)
+    {
+        present |= 0x000100;
+        out_uint32_le(self->out_s, mskformat);
+        self->orders_state.com_blt_mskformat = mskformat;
+    }
+
+    if (mskwidth != self->orders_state.com_blt_mskwidth)
+    {
+        present |= 0x000200;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, mskwidth - self->orders_state.com_blt_mskwidth);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, mskwidth);
+        }
+        self->orders_state.com_blt_mskwidth = mskwidth;
+    }
+    
+    if (mskrepeat != self->orders_state.com_blt_mskrepeat)
+    {
+        present |= 0x000400;
+        out_uint8(self->out_s, mskrepeat);
+        self->orders_state.com_blt_mskrepeat = mskrepeat;
+    }
+    
+    if (op != self->orders_state.com_blt_op)
+    {
+        present |= 0x000800;
+        out_uint8(self->out_s, op);
+        self->orders_state.com_blt_op = op;
+    }
+    
+    if (srcx != self->orders_state.com_blt_srcx)
+    {
+        present |= 0x001000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, srcx - self->orders_state.com_blt_srcx);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, srcx);
+        }
+        self->orders_state.com_blt_srcx = srcx;
+    }
+    
+    if (srcy != self->orders_state.com_blt_srcy)
+    {
+        present |= 0x002000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, srcy - self->orders_state.com_blt_srcy);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, srcy);
+        }
+        self->orders_state.com_blt_srcy = srcy;
+    }
+    
+    if (mskx != self->orders_state.com_blt_mskx)
+    {
+        present |= 0x004000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, mskx - self->orders_state.com_blt_mskx);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, mskx);
+        }
+        self->orders_state.com_blt_mskx = mskx;
+    }
+    
+    if (msky != self->orders_state.com_blt_msky)
+    {
+        present |= 0x008000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, msky - self->orders_state.com_blt_msky);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, msky);
+        }
+        self->orders_state.com_blt_msky = msky;
+    }
+    
+    if (dstx != self->orders_state.com_blt_dstx)
+    {
+        present |= 0x010000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, dstx - self->orders_state.com_blt_dstx);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, dstx);
+        }
+        self->orders_state.com_blt_dstx = dstx;
+    }
+    
+    if (dsty != self->orders_state.com_blt_dsty)
+    {
+        present |= 0x020000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, dsty - self->orders_state.com_blt_dsty);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, dsty);
+        }
+        self->orders_state.com_blt_dsty = dsty;
+    }
+    
+    if (width != self->orders_state.com_blt_width)
+    {
+        present |= 0x040000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, width - self->orders_state.com_blt_width);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, width);
+        }
+        self->orders_state.com_blt_width = width;
+    }
+    
+    if (height != self->orders_state.com_blt_height)
+    {
+        present |= 0x080000;
+        if (order_flags & RDP_ORDER_DELTA)
+        {
+            out_uint8(self->out_s, height - self->orders_state.com_blt_height);
+        }
+        else
+        {
+            out_uint16_le(self->out_s, height);
+        }
+        self->orders_state.com_blt_height = height;
+    }
+
+    if (dstformat != self->orders_state.com_blt_dstformat)
+    {
+        present |= 0x100000;
+        out_uint32_le(self->out_s, dstformat);
+        self->orders_state.com_blt_dstformat = dstformat;
+    }
+    
+    xrdp_order_pack_small_or_tiny(self, order_flags_ptr, order_flags,
+                                  
+                                  present_ptr, present, 3);
+    
+    return 0;
+}
+
+/*****************************************************************************/
+/* returns error */
+int APP_CC
 xrdp_orders_text(struct xrdp_orders *self,
                  int font, int flags, int mixmode,
                  int fg_color, int bg_color,
diff --git a/xorg/X11R7.6/rdp/Makefile b/xorg/X11R7.6/rdp/Makefile
index 8d07e100..b38d27c0 100644
--- a/xorg/X11R7.6/rdp/Makefile
+++ b/xorg/X11R7.6/rdp/Makefile
@@ -13,7 +13,7 @@ rdpPolylines.o rdpPolySegment.o rdpFillSpans.o rdpSetSpans.o \
 rdpCopyPlane.o rdpPolyPoint.o rdpPolyArc.o rdpFillPolygon.o \
 rdpPolyFillArc.o rdpPolyText8.o rdpPolyText16.o \
 rdpImageText8.o rdpImageText16.o rdpImageGlyphBlt.o rdpPolyGlyphBlt.o \
-rdpPushPixels.o rdpxv.o rdpglyph.o \
+rdpPushPixels.o rdpxv.o rdpglyph.o rdpComposite.o \
 miinitext.o \
 fbcmap_mi.o
 
diff --git a/xorg/X11R7.6/rdp/rdp.h b/xorg/X11R7.6/rdp/rdp.h
index 8f16316d..655c536c 100644
--- a/xorg/X11R7.6/rdp/rdp.h
+++ b/xorg/X11R7.6/rdp/rdp.h
@@ -281,13 +281,19 @@ struct rdp_draw_item
   union urdp_draw_item u;
 };
 
+#define XRDP_USE_COUNT_THRESHOLD 1
+
 struct _rdpPixmapRec
 {
   int status;
   int rdpindex;
   int con_number;
   int is_dirty;
-  int pad0;
+  int is_alpha_dirty_not;
+  /* number of times used in a remote operation
+     if this gets above XRDP_USE_COUNT_THRESHOLD
+     then we force remote the pixmap */
+  int use_count;
   int kind_width;
   struct rdp_draw_item* draw_item_head;
   struct rdp_draw_item* draw_item_tail;
@@ -445,6 +451,14 @@ rdpDisplayCursor(ScreenPtr pScreen, CursorPtr pCursor);
 void
 rdpRecolorCursor(ScreenPtr pScreen, CursorPtr pCursor,
                  Bool displayed);
+
+/* rdpglyph.c */
+void
+rdpGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+          PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+          int nlists, GlyphListPtr lists, GlyphPtr* glyphs);
+
+/* rdpComposite.c */
 int
 rdpCreatePicture(PicturePtr pPicture);
 void
@@ -542,6 +556,8 @@ rdpup_set_cursor_ex(short x, short y, char *cur_data, char *cur_mask, int bpp);
 int
 rdpup_create_os_surface(int rdpindexd, int width, int height);
 int
+rdpup_create_os_surface_bpp(int rdpindexd, int width, int height, int bpp);
+int
 rdpup_switch_os_surface(int rdpindex);
 int
 rdpup_delete_os_surface(int rdpindex);
@@ -558,6 +574,8 @@ rdpup_delete_window(WindowPtr pWindow, rdpWindowRec* priv);
 int
 rdpup_check_dirty(PixmapPtr pDirtyPixmap, rdpPixmapRec* pDirtyPriv);
 int
+rdpup_check_alpha_dirty(PixmapPtr pDirtyPixmap, rdpPixmapRec* pDirtyPriv);
+int
 rdpup_check_dirty_screen(rdpPixmapRec* pDirtyPriv);
 int
 rdpup_add_char(int font, int charactor, short x, short y, int cx, int cy,
@@ -572,6 +590,13 @@ rdpup_draw_text(int font, int flags, int mixmode,
                 short box_left, short box_top,
                 short box_right, short box_bottom, short x, short y,
                 char* data, int data_bytes);
+int
+rdpup_composite(short srcidx, int srcformat, short srcwidth, CARD8 srcrepeat,
+                PictTransform* srctransform, CARD8 mskflags,
+                short mskidx, int mskformat, short mskwidth, CARD8 mskrepeat,
+                CARD8 op, short srcx, short srcy, short mskx, short msky,
+                short dstx, short dsty, short width, short height,
+                int dstformat);
 
 void
 rdpScheduleDeferredUpdate(void);
@@ -670,6 +695,13 @@ struct stream
 }
 
 /******************************************************************************/
+#define out_uint8s(s, n) do \
+{ \
+  memset((s)->p, 0, (n)); \
+  (s)->p += (n); \
+} while (0)
+
+/******************************************************************************/
 #if defined(B_ENDIAN) || defined(NEED_ALIGN)
 #define out_uint32_le(s, v) \
 { \
diff --git a/xorg/X11R7.6/rdp/rdpdraw.c b/xorg/X11R7.6/rdp/rdpdraw.c
index ca8c785a..0fb8ff4f 100644
--- a/xorg/X11R7.6/rdp/rdpdraw.c
+++ b/xorg/X11R7.6/rdp/rdpdraw.c
@@ -70,8 +70,6 @@ extern int g_do_glyph_cache; /* in rdpmain.c */
 
 ColormapPtr g_rdpInstalledColormap;
 
-static int g_doing_font = 0;
-
 GCFuncs g_rdpGCFuncs =
 {
     rdpValidateGC, rdpChangeGC, rdpCopyGC, rdpDestroyGC, rdpChangeClip,
@@ -409,6 +407,8 @@ rdpCloseScreen(int i, ScreenPtr pScreen)
 int
 draw_item_add(rdpPixmapRec *priv, struct rdp_draw_item *di)
 {
+    priv->is_alpha_dirty_not = 0;
+    
     if (priv->draw_item_tail == 0)
     {
         priv->draw_item_tail = di;
@@ -667,6 +667,17 @@ draw_item_pack(PixmapPtr pix, rdpPixmapRec *priv)
 
             while (di != 0)
             {
+#if 0
+                if ((di_prev->type == RDI_IMGLL || di_prev->type == RDI_IMGLY) &&
+                    (di->type == RDI_IMGLL || di->type == RDI_IMGLY))
+                {
+                    LLOGLN(10, ("draw_item_pack: packing RDI_IMGLL and RDI_IMGLY"));
+                    di_prev->type = RDI_IMGLY;
+                    RegionUnion(di_prev->reg, di_prev->reg, di->reg);
+                              draw_item_remove(priv, di);
+                              di = di_prev->next;
+                }
+#else
                 if ((di_prev->type == RDI_IMGLL) && (di->type == RDI_IMGLL))
                 {
                     LLOGLN(10, ("draw_item_pack: packing RDI_IMGLL"));
@@ -674,6 +685,7 @@ draw_item_pack(PixmapPtr pix, rdpPixmapRec *priv)
                     draw_item_remove(priv, di);
                     di = di_prev->next;
                 }
+#endif
                 else if ((di_prev->type == RDI_IMGLY) && (di->type == RDI_IMGLY))
                 {
                     LLOGLN(10, ("draw_item_pack: packing RDI_IMGLY"));
@@ -756,7 +768,7 @@ draw_item_pack(PixmapPtr pix, rdpPixmapRec *priv)
     remove_empties(priv);
 #endif
     
-#if 1
+#if 0
     if (priv->draw_item_tail != 0)
     {
         if (priv->draw_item_tail->prev != 0)
@@ -796,6 +808,38 @@ draw_item_pack(PixmapPtr pix, rdpPixmapRec *priv)
     remove_empties(priv);
 #endif
     
+#if 0
+    /* subtract regions */
+    if (priv->draw_item_tail != 0)
+    {
+        if (priv->draw_item_tail->prev != 0)
+        {
+            di = priv->draw_item_tail;
+            while (di->prev != 0)
+            {
+                /* skip subtract flag
+                 * draw items like line can't be used to clear(subtract) previous
+                 * draw items since they are not opaque
+                 * eg they can not be the 'S' in 'D = M - S'
+                 * the region for line draw items is the clip region */
+                if ((di->flags & 1) == 0)
+                {
+                    di_prev = di->prev;
+                    while (di_prev != 0)
+                    {
+                        /* D = M - S */
+                        RegionSubtract(di_prev->reg, di_prev->reg, di->reg);
+                        di_prev = di_prev->prev;
+                    }
+                }
+                
+                di = di->prev;
+            }
+        }
+    }
+    remove_empties(priv);
+#endif
+
     return 0;
 }
 
@@ -942,12 +986,12 @@ rdpCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
                 width, org_width, depth, g_rdpScreen.depth));
     pScreen->CreatePixmap = g_rdpScreen.CreatePixmap;
     rv = pScreen->CreatePixmap(pScreen, width, height, depth, usage_hint);
+    pScreen->CreatePixmap = rdpCreatePixmap;
     priv = GETPIXPRIV(rv);
     priv->rdpindex = -1;
     priv->con_number = g_con_number;
     priv->kind_width = width;
     pScreen->ModifyPixmapHeader(rv, org_width, 0, 0, 0, 0, 0);
-    pScreen->CreatePixmap = rdpCreatePixmap;
     return rv;
 }
 
@@ -991,6 +1035,64 @@ xrdp_is_os(PixmapPtr pix, rdpPixmapPtr priv)
     int width;
     int height;
     struct image_data id;
+    
+    if (priv->status == 0)
+    {
+        width = pix->drawable.width;
+        height = pix->drawable.height;
+        if ((pix->usage_hint == 0) &&
+            (pix->drawable.depth >= g_rdpScreen.depth) &&
+            (width > 0) && (height > 0) &&
+            (priv->use_count > XRDP_USE_COUNT_THRESHOLD))
+        {
+            width = (width + 3) & ~3;
+            priv->rdpindex = rdpup_add_os_bitmap(pix, priv);
+            if (priv->rdpindex >= 0)
+            {
+                priv->status = 1;
+                rdpup_create_os_surface(priv->rdpindex, width, height);
+                box.x1 = 0;
+                box.y1 = 0;
+                box.x2 = width;
+                box.y2 = height;
+                if (g_do_dirty_os)
+                {
+                    draw_item_remove_all(priv);
+                    RegionInit(&reg1, &box, 0);
+                    draw_item_add_img_region(priv, &reg1, GXcopy, RDI_IMGLY, 16);
+                    RegionUninit(&reg1);
+                    priv->is_dirty = 1;
+                }
+                else
+                {
+                    rdpup_get_pixmap_image_rect(pix, &id);
+                    rdpup_switch_os_surface(priv->rdpindex);
+                    rdpup_begin_update();
+                    rdpup_send_area(&id, box.x1, box.y1, box.x2 - box.x1,
+                                    box.y2 - box.y1);
+                    rdpup_end_update();
+                    rdpup_switch_os_surface(-1);
+                }
+                priv->use_count++;
+                return 1;
+            }
+        }
+        priv->use_count++;
+        return 0;
+    }
+    priv->use_count++;
+    return 1;
+}
+
+/*****************************************************************************/
+int
+xrdp_is_os(PixmapPtr pix, rdpPixmapPtr priv)
+{
+    RegionRec reg1;
+    BoxRec box;
+    int width;
+    int height;
+    struct image_data id;
 
     if (!XRDP_IS_OS(priv))
     {
@@ -1500,284 +1602,3 @@ rdpSaveScreen(ScreenPtr pScreen, int on)
     return 1;
 }
 
-/******************************************************************************/
-int
-rdpCreatePicture(PicturePtr pPicture)
-{
-    PictureScreenPtr ps;
-    int rv;
-
-    LLOGLN(10, ("rdpCreatePicture:"));
-    ps = GetPictureScreen(g_pScreen);
-    ps->CreatePicture = g_rdpScreen.CreatePicture;
-    rv = ps->CreatePicture(pPicture);
-    ps->CreatePicture = rdpCreatePicture;
-    return rv;
-}
-
-/******************************************************************************/
-void
-rdpDestroyPicture(PicturePtr pPicture)
-{
-    PictureScreenPtr ps;
-
-    LLOGLN(10, ("rdpDestroyPicture:"));
-    ps = GetPictureScreen(g_pScreen);
-    ps->DestroyPicture = g_rdpScreen.DestroyPicture;
-    ps->DestroyPicture(pPicture);
-    ps->DestroyPicture = rdpDestroyPicture;
-}
-
-/******************************************************************************/
-/* it looks like all the antialias draws go through here
- op is one of the following
- #define PictOpMinimum       0
- #define PictOpClear         0
- #define PictOpSrc           1
- #define PictOpDst           2
- #define PictOpOver          3
- #define PictOpOverReverse   4
- #define PictOpIn            5
- #define PictOpInReverse     6
- #define PictOpOut           7
- #define PictOpOutReverse    8
- #define PictOpAtop          9
- #define PictOpAtopReverse   10
- #define PictOpXor           11
- #define PictOpAdd           12
- #define PictOpSaturate      13
- #define PictOpMaximum       13
- 
- see for porter duff
- http://www.svgopen.org/2005/papers/abstractsvgopen/
- 
- */
-void
-rdpComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
-             INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, INT16 xDst,
-             INT16 yDst, CARD16 width, CARD16 height)
-{
-    BoxRec box;
-    PictureScreenPtr ps;
-    RegionRec reg1;
-    RegionRec reg2;
-    DrawablePtr p;
-    int dirty_type;
-    int j;
-    int num_clips;
-    int post_process;
-    int reset_surface;
-    int got_id;
-    WindowPtr pDstWnd;
-    PixmapPtr pDstPixmap;
-    rdpPixmapRec *pDstPriv;
-    rdpPixmapRec *pDirtyPriv;
-    struct image_data id;
-
-    LLOGLN(10, ("rdpComposite:"));
-    
-    ps = GetPictureScreen(g_pScreen);
-    ps->Composite = g_rdpScreen.Composite;
-    ps->Composite(op, pSrc, pMask, pDst, xSrc, ySrc,
-                  xMask, yMask, xDst, yDst, width, height);
-    ps->Composite = rdpComposite;
-
-    if (g_doing_font == 2)
-    {
-        return;
-    }
-
-    LLOGLN(10, ("rdpComposite: op %d %p %p %p w %d h %d", op, pSrc, pMask, pDst, width, height));
-    
-    p = pDst->pDrawable;
-
-    dirty_type = 0;
-    pDirtyPriv = 0;
-    post_process = 0;
-    reset_surface = 0;
-    got_id = 0;
-
-    if (p->type == DRAWABLE_PIXMAP)
-    {
-        pDstPixmap = (PixmapPtr)p;
-        pDstPriv = GETPIXPRIV(pDstPixmap);
-
-        if (xrdp_is_os(pDstPixmap, pDstPriv))
-        {
-            post_process = 1;
-
-            if (g_do_dirty_os)
-            {
-                LLOGLN(10, ("rdpComposite: gettig dirty"));
-                pDstPriv->is_dirty = 1;
-                dirty_type = g_doing_font ? RDI_IMGLL : RDI_IMGLY;
-                pDirtyPriv = pDstPriv;
-
-            }
-            else
-            {
-                rdpup_switch_os_surface(pDstPriv->rdpindex);
-                reset_surface = 1;
-                rdpup_get_pixmap_image_rect(pDstPixmap, &id);
-                got_id = 1;
-                LLOGLN(10, ("rdpComposite: offscreen"));
-            }
-        }
-    }
-    else
-    {
-        if (p->type == DRAWABLE_WINDOW)
-        {
-            pDstWnd = (WindowPtr)p;
-
-            if (pDstWnd->viewable)
-            {
-                post_process = 1;
-
-                if (g_do_dirty_ons)
-                {
-                    LLOGLN(0, ("rdpComposite: gettig dirty"));
-                    g_screenPriv.is_dirty = 1;
-                    pDirtyPriv = &g_screenPriv;
-                    dirty_type = RDI_IMGLL;
-                }
-                else
-                {
-                    rdpup_get_screen_image_rect(&id);
-                    got_id = 1;
-                    LLOGLN(10, ("rdpComposite: screen"));
-                }
-            }
-        }
-    }
-
-    if (!post_process)
-    {
-        return;
-    }
-
-    if (pDst->pCompositeClip != 0)
-    {
-        box.x1 = p->x + xDst;
-        box.y1 = p->y + yDst;
-        box.x2 = box.x1 + width;
-        box.y2 = box.y1 + height;
-        RegionInit(&reg1, &box, 0);
-        RegionInit(&reg2, NullBox, 0);
-        RegionCopy(&reg2, pDst->pCompositeClip);
-        RegionIntersect(&reg1, &reg1, &reg2);
-
-        if (dirty_type != 0)
-        {
-            draw_item_add_img_region(pDirtyPriv, &reg1, GXcopy, dirty_type, TAG_COMPOSITE);
-        }
-        else if (got_id)
-        {
-            num_clips = REGION_NUM_RECTS(&reg1);
-
-            if (num_clips > 0)
-            {
-                rdpup_begin_update();
-
-                for (j = num_clips - 1; j >= 0; j--)
-                {
-                    box = REGION_RECTS(&reg1)[j];
-                    rdpup_send_area(&id, box.x1, box.y1, box.x2 - box.x1, box.y2 - box.y1);
-                }
-
-                rdpup_end_update();
-            }
-        }
-
-        RegionUninit(&reg1);
-        RegionUninit(&reg2);
-    }
-    else
-    {
-        box.x1 = p->x + xDst;
-        box.y1 = p->y + yDst;
-        box.x2 = box.x1 + width;
-        box.y2 = box.y1 + height;
-
-        if (dirty_type != 0)
-        {
-            RegionInit(&reg1, &box, 0);
-            draw_item_add_img_region(pDirtyPriv, &reg1, GXcopy, dirty_type, TAG_COMPOSITE);
-            RegionUninit(&reg1);
-        }
-        else if (got_id)
-        {
-            rdpup_begin_update();
-            rdpup_send_area(&id, box.x1, box.y1, box.x2 - box.x1, box.y2 - box.y1);
-            rdpup_end_update();
-        }
-    }
-
-    if (reset_surface)
-    {
-        rdpup_switch_os_surface(-1);
-    }
-}
-
-/******************************************************************************/
-/* make sure no glyph is too big */
-/* returns boolean */
-static int
-rdpGlyphCheck(int nlist, GlyphListPtr list, GlyphPtr* glyphs)
-{
-    int n;
-    GlyphPtr glyph;
-
-    while (nlist--)
-    {
-        n = list->len;
-        list++;
-        while (n--)
-        {
-            glyph = *glyphs++;
-            if ((glyph->info.width * glyph->info.height) > 8192)
-            {
-                LLOGLN(10, ("rdpGlyphCheck: too big"));
-                return 0;
-            }
-        }
-    }
-    return 1;
-}
-
-/******************************************************************************/
-void
-rdpGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
-          PictFormatPtr maskFormat,
-          INT16 xSrc, INT16 ySrc, int nlists, GlyphListPtr lists,
-          GlyphPtr *glyphs)
-{
-    PictureScreenPtr ps;
-
-    LLOGLN(10, ("rdpGlyphs: op %d xSrc %d ySrc %d maskFormat %p", op, xSrc, ySrc, maskFormat));
-
-    if (g_do_glyph_cache && rdpGlyphCheck(nlists, lists, glyphs))
-    {
-        g_doing_font = 2;
-        ps = GetPictureScreen(g_pScreen);
-        ps->Glyphs = g_rdpScreen.Glyphs;
-        ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc,
-                   nlists, lists, glyphs);
-        ps->Glyphs = rdpGlyphs;
-        rdpGlypht(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlists, lists, glyphs);
-    }
-    else
-    {
-        g_doing_font = 1;
-        rdpup_set_hints(1, 1);
-        ps = GetPictureScreen(g_pScreen);
-        ps->Glyphs = g_rdpScreen.Glyphs;
-        ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc,
-                   nlists, lists, glyphs);
-        ps->Glyphs = rdpGlyphs;
-        rdpup_set_hints(0, 1);
-    }
-
-    g_doing_font = 0;
-    LLOGLN(10, ("rdpGlyphs: out"));
-}
diff --git a/xorg/X11R7.6/rdp/rdpglyph.c b/xorg/X11R7.6/rdp/rdpglyph.c
index 3da30737..e6e011be 100644
--- a/xorg/X11R7.6/rdp/rdpglyph.c
+++ b/xorg/X11R7.6/rdp/rdpglyph.c
@@ -544,6 +544,7 @@ rdpGlyphu(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
         pDstPriv = GETPIXPRIV(pDstPixmap);
         if (XRDP_IS_OS(pDstPriv))
         {
+            rdpup_check_dirty(pDstPixmap, pDstPriv);
             post_process = 1;
             if (g_do_dirty_os)
             {
diff --git a/xorg/X11R7.6/rdp/rdpmain.c b/xorg/X11R7.6/rdp/rdpmain.c
index 5a42c5b8..6ca2912b 100644
--- a/xorg/X11R7.6/rdp/rdpmain.c
+++ b/xorg/X11R7.6/rdp/rdpmain.c
@@ -48,8 +48,9 @@ int g_can_do_pix_to_pix = 0;
 
 int g_do_dirty_os = 1; /* delay remoting off screen bitmaps */
 int g_do_dirty_ons = 0; /* delay remoting screen */
-int g_do_glyph_cache = 0;
+int g_do_glyph_cache = 0; /* rdpup.c may set this */
 int g_do_alpha_glyphs = 1;
+int g_do_composite = 0; /* rdpup.c may set this */
 Bool g_wrapWindow = 1;
 Bool g_wrapPixmap = 1;
 
@@ -61,6 +62,7 @@ int g_use_rail = 0;
 int g_con_number = 0; /* increments for each connection */
 
 WindowPtr g_invalidate_window = 0;
+int g_doing_font = 0;
 
 /* if true, use a unix domain socket instead of a tcp socket */
 int g_use_uds = 0;
diff --git a/xorg/X11R7.6/rdp/rdpup.c b/xorg/X11R7.6/rdp/rdpup.c
index 50f73492..bf8aea1c 100644
--- a/xorg/X11R7.6/rdp/rdpup.c
+++ b/xorg/X11R7.6/rdp/rdpup.c
@@ -57,6 +57,7 @@ extern rdpScreenInfoRec g_rdpScreen; /* from rdpmain.c */
 extern int g_do_glyph_cache; /* from rdpmain.c */
 extern int g_can_do_pix_to_pix; /* from rdpmain.c */
 extern int g_use_rail; /* from rdpmain.c */
+extern int g_do_composite; /* from rdpmain.c */
 
 /* true is to use unix domain socket */
 extern int g_use_uds; /* in rdpmain.c */
@@ -159,6 +160,7 @@ rdpup_disconnect(void)
     g_os_bitmaps = 0;
     g_use_rail = 0;
     g_do_glyph_cache = 0;
+    g_do_composite = 0;
     return 0;
 }
 
@@ -347,6 +349,9 @@ rdpup_send_msg(struct stream *s)
 static int
 rdpup_send_pending(void)
 {
+    int rv;
+    
+    rv = 0;
     if (g_connected && g_begin)
     {
         LLOGLN(10, ("end %d", g_count));
@@ -354,12 +359,16 @@ rdpup_send_pending(void)
         out_uint16_le(g_out_s, 4);
         g_count++;
         s_mark_end(g_out_s);
-        rdpup_send_msg(g_out_s);
+        if (rdpup_send_msg(g_out_s) != 0)
+        {
+            LLOGLN(0, ("rdpup_send_pending: rdpup_send_msg failed"));
+            rv = 1;
+        }
     }
 
     g_count = 0;
     g_begin = 0;
-    return 0;
+    return rv;
 }
 
 /******************************************************************************/
@@ -781,10 +790,19 @@ rdpup_process_msg(struct stream *s)
         {
             g_do_glyph_cache = 1;
         }
+        if (g_rdpScreen.client_info.order_flags_ex & 0x100)
+        {
+            g_do_composite = 1;
+        }
         if (g_do_glyph_cache)
         {
             LLOGLN(0, ("  using glyph cache"));
         }
+        if (g_do_composite)
+        {
+            LLOGLN(0, ("  using client composite"));
+        }
+        LLOGLN(10, ("order_flags_ex 0x%x", g_rdpScreen.client_info.order_flags_ex));
         if (g_rdpScreen.client_info.offscreen_cache_entries == 2000)
         {
             LLOGLN(0, ("  client can do offscreen to offscreen blits"));
@@ -1040,6 +1058,9 @@ rdpup_end_update(void)
 int
 rdpup_pre_check(int in_size)
 {
+    int rv;
+    
+    rv = 0;
     if (!g_begin)
     {
         rdpup_begin_update();
@@ -1048,13 +1069,17 @@ rdpup_pre_check(int in_size)
     if ((g_out_s->p - g_out_s->data) > (g_out_s->size - (in_size + 20)))
     {
         s_mark_end(g_out_s);
-        rdpup_send_msg(g_out_s);
+        if (rdpup_send_msg(g_out_s) != 0)
+        {
+            LLOGLN(0, ("rdpup_pre_check: rdpup_send_msg failed"));
+            rv = 1;
+        }
         g_count = 0;
         init_stream(g_out_s, 0);
         s_push_layer(g_out_s, iso_hdr, 8);
     }
 
-    return 0;
+    return rv;
 }
 
 /******************************************************************************/
@@ -1279,6 +1304,25 @@ convert_pixels(void *src, void *dst, int num_pixels)
 
 /******************************************************************************/
 int
+alpha_pixels(void* src, void* dst, int num_pixels)
+{
+  unsigned int* src32;
+  unsigned char* dst8;
+  int index;
+
+  src32 = (unsigned int*)src;
+  dst8 = (unsigned char*)dst;
+  for (index = 0; index < num_pixels; index++)
+  {
+    *dst8 = (*src32) >> 24;
+    dst8++;
+    src32++;
+  }
+  return 0;
+}
+
+/******************************************************************************/
+int
 rdpup_set_fgcolor(int fgcolor)
 {
     if (g_connected)
@@ -1450,6 +1494,26 @@ rdpup_create_os_surface(int rdpindex, int width, int height)
 
 /******************************************************************************/
 int
+rdpup_create_os_surface_bpp(int rdpindex, int width, int height, int bpp)
+{
+    LLOGLN(10, ("rdpup_create_os_surface_bpp:"));
+    if (g_connected)
+    {
+        LLOGLN(10, ("  width %d height %d bpp %d", width, height, bpp));
+        rdpup_pre_check(13);
+        out_uint16_le(g_out_s, 31);
+        out_uint16_le(g_out_s, 13);
+        g_count++;
+        out_uint32_le(g_out_s, rdpindex);
+        out_uint16_le(g_out_s, width);
+        out_uint16_le(g_out_s, height);
+        out_uint8(g_out_s, bpp);
+    }
+    return 0;
+}
+
+/******************************************************************************/
+int
 rdpup_switch_os_surface(int rdpindex)
 {
     LLOGLN(10, ("rdpup_switch_os_surface:"));
@@ -1653,7 +1717,7 @@ rdpup_send_area(struct image_data *id, int x, int y, int w, int h)
         LLOGLN(10, ("  rdpup_send_area"));
         ly = y;
 
-        while (ly < y + h)
+        while ((ly < y + h) && g_connected)
         {
             lx = x;
 
@@ -1705,6 +1769,103 @@ rdpup_send_area(struct image_data *id, int x, int y, int w, int h)
 }
 
 /******************************************************************************/
+/* split the bitmap up into 64 x 64 pixel areas */
+void
+rdpup_send_alpha_area(struct image_data* id, int x, int y, int w, int h)
+{
+    char* s;
+    int i;
+    int lx;
+    int ly;
+    int lh;
+    int lw;
+    int size;
+    struct image_data lid;
+    
+    LLOGLN(10, ("rdpup_send_alpha_area: id %p x %d y %d w %d h %d",
+                id, x, y, w, h));
+    if (id == 0)
+    {
+        rdpup_get_screen_image_rect(&lid);
+        id = &lid;
+    }
+    
+    if (x >= id->width)
+    {
+        return;
+    }
+    if (y >= id->height)
+    {
+        return;
+    }
+    if (x < 0)
+    {
+        w += x;
+        x = 0;
+    }
+    if (y < 0)
+    {
+        h += y;
+        y = 0;
+    }
+    if (w <= 0)
+    {
+        return;
+    }
+    if (h <= 0)
+    {
+        return;
+    }
+    if (x + w > id->width)
+    {
+        w = id->width - x;
+    }
+    if (y + h > id->height)
+    {
+        h = id->height - y;
+    }
+    LLOGLN(10, ("%d", w * h));
+    if (g_connected && g_begin)
+    {
+        LLOGLN(10, ("  rdpup_send_area"));
+        ly = y;
+        while ((ly < y + h) && g_connected)
+        {
+            lx = x;
+            while ((lx < x + w) && g_connected)
+            {
+                lw = MIN(64, (x + w) - lx);
+                lh = MIN(64, (y + h) - ly);
+                size = lw * lh + 25;
+                rdpup_pre_check(size);
+                out_uint16_le(g_out_s, 32); /* server_paint_rect_bpp */
+                out_uint16_le(g_out_s, size);
+                g_count++;
+                out_uint16_le(g_out_s, lx);
+                out_uint16_le(g_out_s, ly);
+                out_uint16_le(g_out_s, lw);
+                out_uint16_le(g_out_s, lh);
+                out_uint32_le(g_out_s, lw * lh);
+                for (i = 0; i < lh; i++)
+                {
+                    s = (id->pixels +
+                         ((ly + i) * id->lineBytes) + (lx * g_Bpp));
+                    alpha_pixels(s, g_out_s->p, lw);
+                    g_out_s->p += lw;
+                }
+                out_uint16_le(g_out_s, lw);
+                out_uint16_le(g_out_s, lh);
+                out_uint16_le(g_out_s, 0);
+                out_uint16_le(g_out_s, 0);
+                out_uint8(g_out_s, 8);
+                lx += 64;
+            }
+            ly += 64;
+        }
+    }
+}
+
+/******************************************************************************/
 void
 rdpup_paint_rect_os(int x, int y, int cx, int cy,
                     int rdpindex, int srcx, int srcy)
@@ -2175,6 +2336,35 @@ rdpup_check_dirty_screen(rdpPixmapRec *pDirtyPriv)
 
 /******************************************************************************/
 int
+rdpup_check_alpha_dirty(PixmapPtr pDirtyPixmap, rdpPixmapRec* pDirtyPriv)
+{
+    struct image_data id;
+    
+    LLOGLN(10, ("rdpup_check_alpha_dirty: width %d height %d",
+                pDirtyPixmap->drawable.width, pDirtyPixmap->drawable.height));
+    if (pDirtyPriv == 0)
+    {
+        return 0;
+    }
+    LLOGLN(10, ("rdpup_check_alpha_dirty: is_alpha_dirty_not %d",
+                pDirtyPriv->is_alpha_dirty_not));
+    if (pDirtyPriv->is_alpha_dirty_not)
+    {
+        return 0;
+    }
+    pDirtyPriv->is_alpha_dirty_not = 1;
+    rdpup_switch_os_surface(pDirtyPriv->rdpindex);
+    rdpup_get_pixmap_image_rect(pDirtyPixmap, &id);
+    rdpup_begin_update();
+    rdpup_send_alpha_area(&id, 0, 0, pDirtyPixmap->drawable.width,
+                          pDirtyPixmap->drawable.height);
+    rdpup_end_update();
+    rdpup_switch_os_surface(-1);
+    return 0;
+}
+
+/******************************************************************************/
+int
 rdpup_add_char(int font, int charactor, short x, short y, int cx, int cy,
                char* bmpdata, int bmpdata_bytes)
 {
@@ -2256,3 +2446,58 @@ rdpup_draw_text(int font, int flags, int mixmode,
     return 0;
 }
 
+/******************************************************************************/
+int
+rdpup_composite(short srcidx, int srcformat, short srcwidth, CARD8 srcrepeat,
+                PictTransform* srctransform, CARD8 mskflags,
+                short mskidx, int mskformat, short mskwidth, CARD8 mskrepeat,
+                CARD8 op, short srcx, short srcy, short mskx, short msky,
+                short dstx, short dsty, short width, short height,
+                int dstformat)
+{
+    if (g_connected)
+    {
+        LLOGLN(10, ("  rdpup_composite"));
+        rdpup_pre_check(84);
+        out_uint16_le(g_out_s, 33);
+        out_uint16_le(g_out_s, 84); /* size */
+        g_count++;
+        out_uint16_le(g_out_s, srcidx);
+        out_uint32_le(g_out_s, srcformat);
+        out_uint16_le(g_out_s, srcwidth);
+        out_uint8(g_out_s, srcrepeat);
+        if (srctransform == 0)
+        {
+            out_uint8s(g_out_s, 10 * 4);
+        }
+        else
+        {
+            out_uint32_le(g_out_s, 1);
+            out_uint32_le(g_out_s, srctransform->matrix[0][0]);
+            out_uint32_le(g_out_s, srctransform->matrix[0][1]);
+            out_uint32_le(g_out_s, srctransform->matrix[0][2]);
+            out_uint32_le(g_out_s, srctransform->matrix[1][0]);
+            out_uint32_le(g_out_s, srctransform->matrix[1][1]);
+            out_uint32_le(g_out_s, srctransform->matrix[1][2]);
+            out_uint32_le(g_out_s, srctransform->matrix[2][0]);
+            out_uint32_le(g_out_s, srctransform->matrix[2][1]);
+            out_uint32_le(g_out_s, srctransform->matrix[2][2]);
+        }
+        out_uint8(g_out_s, mskflags);
+        out_uint16_le(g_out_s, mskidx);
+        out_uint32_le(g_out_s, mskformat);
+        out_uint16_le(g_out_s, mskwidth);
+        out_uint8(g_out_s, mskrepeat);
+        out_uint8(g_out_s, op);
+        out_uint16_le(g_out_s, srcx);
+        out_uint16_le(g_out_s, srcy);
+        out_uint16_le(g_out_s, mskx);
+        out_uint16_le(g_out_s, msky);
+        out_uint16_le(g_out_s, dstx);
+        out_uint16_le(g_out_s, dsty);
+        out_uint16_le(g_out_s, width);
+        out_uint16_le(g_out_s, height);
+        out_uint32_le(g_out_s, dstformat);
+    }
+    return 0;
+}
diff --git a/xrdp/xrdp.h b/xrdp/xrdp.h
index 44246984..4215c27b 100644
--- a/xrdp/xrdp.h
+++ b/xrdp/xrdp.h
@@ -283,6 +283,20 @@ xrdp_painter_copy(struct xrdp_painter* self,
                   int x, int y, int cx, int cy,
                   int srcx, int srcy);
 int APP_CC
+xrdp_painter_composite(struct xrdp_painter* self,
+                       struct xrdp_bitmap* src,
+                       int srcformat,
+                       int srcwidth,
+                       int srcrepeat,
+                       struct xrdp_bitmap* dst,
+                       int* srctransform,
+                       int mskflags,
+                       struct xrdp_bitmap* msk,
+                       int mskformat, int mskwidth, int mskrepeat, int op,
+                       int srcx, int srcy, int mskx, int msky,
+                       int dstx, int dsty, int width, int height,
+                       int dstformat);
+int APP_CC
 xrdp_painter_line(struct xrdp_painter* self,
                   struct xrdp_bitmap* bitmap,
                   int x1, int y1, int x2, int y2);
@@ -374,6 +388,16 @@ int DEFAULT_CC
 server_paint_rect(struct xrdp_mod* mod, int x, int y, int cx, int cy,
                   char* data, int width, int height, int srcx, int srcy);
 int DEFAULT_CC
+server_paint_rect_bpp(struct xrdp_mod* mod, int x, int y, int cx, int cy,
+                      char* data, int width, int height, int srcx, int srcy,
+                      int bpp);
+int DEFAULT_CC
+server_composite(struct xrdp_mod* mod, int srcidx, int srcformat, int srcwidth,
+                 int srcrepeat, int* srctransform, int mskflags, int mskidx,
+                 int mskformat, int mskwidth, int mskrepeat, int op,
+                 int srcx, int srcy, int mskx, int msky,
+                 int dstx, int dsty, int width, int height, int dstformat);
+int DEFAULT_CC
 server_set_pointer(struct xrdp_mod* mod, int x, int y,
                    char* data, char* mask);
 int DEFAULT_CC
@@ -434,6 +458,9 @@ int DEFAULT_CC
 server_create_os_surface(struct xrdp_mod* mod, int id,
                          int width, int height);
 int DEFAULT_CC
+server_create_os_surface_bpp(struct xrdp_mod* mod, int id,
+                             int width, int height, int bpp);
+int DEFAULT_CC
 server_switch_os_surface(struct xrdp_mod* mod, int id);
 int DEFAULT_CC
 server_delete_os_surface(struct xrdp_mod* mod, int id);
diff --git a/xrdp/xrdp_cache.c b/xrdp/xrdp_cache.c
index 62da4183..16ce1283 100644
--- a/xrdp/xrdp_cache.c
+++ b/xrdp/xrdp_cache.c
@@ -239,7 +239,7 @@ xrdp_cache_add_bitmap(struct xrdp_cache *self, struct xrdp_bitmap *bitmap,
     }
     else
     {
-        log_message(LOG_LEVEL_ERROR,"error in xrdp_cache_add_bitmap, too big(%d)", bmp_size);
+        log_message(LOG_LEVEL_ERROR,"error in xrdp_cache_add_bitmap, too big(%d) bpp %d", bmp_size, bitmap->bpp);
     }
 
     /* look for oldest */
diff --git a/xrdp/xrdp_mm.c b/xrdp/xrdp_mm.c
index 88f888c7..b1499984 100644
--- a/xrdp/xrdp_mm.c
+++ b/xrdp/xrdp_mm.c
@@ -414,6 +414,9 @@ xrdp_mm_setup_mod1(struct xrdp_mm *self)
             self->mod->server_notify_delete = server_notify_delete;
             self->mod->server_monitored_desktop = server_monitored_desktop;
             self->mod->server_add_char_alpha = server_add_char_alpha;
+            self->mod->server_create_os_surface_bpp = server_create_os_surface_bpp;
+            self->mod->server_paint_rect_bpp = server_paint_rect_bpp;
+            self->mod->server_composite = server_composite;
         }
     }
 
@@ -906,7 +909,6 @@ xrdp_mm_process_rail_drawing_orders(struct xrdp_mm* self, struct trans* trans)
     struct stream* s;
     int order_type;
     int rv = 0;
-    struct rail_window_state_order rwso;
     
     s = trans_get_in_s(trans);
     if (s == 0)
@@ -1057,7 +1059,7 @@ xrdp_mm_connect_chansrv(struct xrdp_mm *self, char *ip, char *port)
     self->usechansrv = 1;
 
     /* connect channel redir */
-    if ((ip == 0) || (g_strcmp(ip, "127.0.0.1") == 0) || (ip[0] == 0))
+    if ((g_strcmp(ip, "127.0.0.1") == 0) || (ip[0] == 0))
     {
         /* unix socket */
         self->chan_trans = trans_create(TRANS_MODE_UNIX, 8192, 8192);
@@ -2060,6 +2062,79 @@ server_paint_rect(struct xrdp_mod *mod, int x, int y, int cx, int cy,
 
 /*****************************************************************************/
 int DEFAULT_CC
+server_paint_rect_bpp(struct xrdp_mod* mod, int x, int y, int cx, int cy,
+                      char* data, int width, int height, int srcx, int srcy,
+                      int bpp)
+{
+    struct xrdp_wm* wm;
+    struct xrdp_bitmap* b;
+    struct xrdp_painter* p;
+    
+    p = (struct xrdp_painter*)(mod->painter);
+    if (p == 0)
+    {
+        return 0;
+    }
+    wm = (struct xrdp_wm*)(mod->wm);
+    b = xrdp_bitmap_create_with_data(width, height, bpp, data, wm);
+    xrdp_painter_copy(p, b, wm->target_surface, x, y, cx, cy, srcx, srcy);
+    xrdp_bitmap_delete(b);
+    return 0;
+}
+
+/*****************************************************************************/
+int DEFAULT_CC
+server_composite(struct xrdp_mod* mod, int srcidx, int srcformat,
+                 int srcwidth, int srcrepeat, int* srctransform,
+                 int mskflags, int mskidx, int mskformat, int mskwidth,
+                 int mskrepeat, int op, int srcx, int srcy,
+                 int mskx, int msky, int dstx, int dsty,
+                 int width, int height, int dstformat)
+{
+    struct xrdp_wm* wm;
+    struct xrdp_bitmap* b;
+    struct xrdp_bitmap* msk;
+    struct xrdp_painter* p;
+    struct xrdp_os_bitmap_item* bi;
+    
+    p = (struct xrdp_painter*)(mod->painter);
+    if (p == 0)
+    {
+        return 0;
+    }
+    wm = (struct xrdp_wm*)(mod->wm);
+    b = 0;
+    msk = 0;
+    bi = xrdp_cache_get_os_bitmap(wm->cache, srcidx);
+    if (bi != 0)
+    {
+        b = bi->bitmap;
+    }
+    if (mskflags & 1)
+    {
+        bi = xrdp_cache_get_os_bitmap(wm->cache, mskidx);
+        if (bi != 0)
+        {
+            msk = bi->bitmap;
+        }
+    }
+    if (b != 0)
+    {
+        xrdp_painter_composite(p, b, srcformat, srcwidth, srcrepeat,
+                               wm->target_surface, srctransform,
+                               mskflags, msk, mskformat, mskwidth, mskrepeat,
+                               op, srcx, srcy, mskx, msky, dstx, dsty,
+                               width, height, dstformat);
+    }
+    else
+    {
+        g_writeln("server_composite: error finding id %d or %d", srcidx, mskidx);
+    }
+    return 0;
+}
+
+/*****************************************************************************/
+int DEFAULT_CC
 server_set_pointer(struct xrdp_mod *mod, int x, int y,
                    char *data, char *mask)
 {
@@ -2675,6 +2750,29 @@ server_create_os_surface(struct xrdp_mod *mod, int rdpindex,
 
 /*****************************************************************************/
 int DEFAULT_CC
+server_create_os_surface_bpp(struct xrdp_mod* mod, int rdpindex,
+                             int width, int height, int bpp)
+{
+    struct xrdp_wm* wm;
+    struct xrdp_bitmap* bitmap;
+    int error;
+    
+    wm = (struct xrdp_wm*)(mod->wm);
+    bitmap = xrdp_bitmap_create(width, height, bpp,
+                                WND_TYPE_OFFSCREEN, wm);
+    error = xrdp_cache_add_os_bitmap(wm->cache, bitmap, rdpindex);
+    if (error != 0)
+    {
+        g_writeln("server_create_os_surface_bpp: xrdp_cache_add_os_bitmap failed");
+        return 1;
+    }
+    bitmap->item_index = rdpindex;
+    bitmap->id = rdpindex;
+    return 0;
+}
+
+/*****************************************************************************/
+int DEFAULT_CC
 server_switch_os_surface(struct xrdp_mod *mod, int rdpindex)
 {
     struct xrdp_wm *wm;
diff --git a/xrdp/xrdp_painter.c b/xrdp/xrdp_painter.c
index 4457fee8..b9d1da16 100644
--- a/xrdp/xrdp_painter.c
+++ b/xrdp/xrdp_painter.c
@@ -849,7 +849,7 @@ xrdp_painter_copy(struct xrdp_painter *self,
             {
                 w = MIN(64, ((srcx + cx) - i));
                 h = MIN(64, ((srcy + cy) - j));
-                b = xrdp_bitmap_create(w, h, self->wm->screen->bpp, 0, self->wm);
+                b = xrdp_bitmap_create(w, h, src->bpp, 0, self->wm);
                 xrdp_bitmap_copy_box_with_crc(src, b, i, j, w, h);
                 bitmap_id = xrdp_cache_add_bitmap(self->wm->cache, b, self->wm->hints);
                 cache_id = HIWORD(bitmap_id);
@@ -889,6 +889,86 @@ xrdp_painter_copy(struct xrdp_painter *self,
 
 /*****************************************************************************/
 int APP_CC
+xrdp_painter_composite(struct xrdp_painter* self,
+                       struct xrdp_bitmap* src,
+                       int srcformat,
+                       int srcwidth,
+                       int srcrepeat,
+                       struct xrdp_bitmap* dst,
+                       int* srctransform,
+                       int mskflags,
+                       struct xrdp_bitmap* msk,
+                       int mskformat, int mskwidth, int mskrepeat, int op,
+                       int srcx, int srcy, int mskx, int msky,
+                       int dstx, int dsty, int width, int height, int dstformat)
+{
+    struct xrdp_rect clip_rect;
+    struct xrdp_rect draw_rect;
+    struct xrdp_rect rect1;
+    struct xrdp_rect rect2;
+    struct xrdp_region* region;
+    int k;
+    int dx;
+    int dy;
+    int palette_id;
+    int cache_srcidx;
+    int cache_mskidx;
+    
+    if (self == 0 || src == 0 || dst == 0)
+    {
+        return 0;
+    }
+    
+    /* todo data */
+    
+    if (dst->type == WND_TYPE_BITMAP)
+    {
+        return 0;
+    }
+    
+    if (src->type == WND_TYPE_OFFSCREEN)
+    {
+        xrdp_bitmap_get_screen_clip(dst, self, &clip_rect, &dx, &dy);
+        region = xrdp_region_create(self->wm);
+        xrdp_region_add_rect(region, &clip_rect);
+        dstx += dx;
+        dsty += dy;
+        
+        palette_id = 0;
+        cache_srcidx = src->item_index;
+        cache_mskidx = -1;
+        if (mskflags & 1)
+        {
+            if (msk != 0)
+            {
+                cache_mskidx = msk->item_index; // todo
+            }
+        }
+        
+        k = 0;
+        while (xrdp_region_get_rect(region, k, &rect1) == 0)
+        {
+            if (rect_intersect(&rect1, &clip_rect, &rect2))
+            {
+                MAKERECT(rect1, dstx, dsty, width, height);
+                if (rect_intersect(&rect2, &rect1, &draw_rect))
+                {
+                    libxrdp_orders_composite_blt(self->session, cache_srcidx, srcformat, srcwidth,
+                                                 srcrepeat, srctransform, mskflags, cache_mskidx,
+                                                 mskformat, mskwidth, mskrepeat, op, srcx, srcy,
+                                                 mskx, msky, dstx, dsty, width, height, dstformat,
+                                                 &draw_rect);
+                }
+            }
+            k++;
+        }
+        xrdp_region_delete(region);
+    }
+    return 0;
+}
+
+/*****************************************************************************/
+int APP_CC
 xrdp_painter_line(struct xrdp_painter *self,
                   struct xrdp_bitmap *dst,
                   int x1, int y1, int x2, int y2)
diff --git a/xrdp/xrdp_types.h b/xrdp/xrdp_types.h
index 7f08b4a0..14ae2237 100644
--- a/xrdp/xrdp_types.h
+++ b/xrdp/xrdp_types.h
@@ -52,8 +52,10 @@ struct xrdp_mod
   int (*server_screen_blt)(struct xrdp_mod* v, int x, int y, int cx, int cy,
                            int srcx, int srcy);
   int (*server_paint_rect)(struct xrdp_mod* v, int x, int y, int cx, int cy,
-                           char* data, int width, int height, int srcx, int srcy);
-  int (*server_set_pointer)(struct xrdp_mod* v, int x, int y, char* data, char* mask);
+                           char* data, int width, int height,
+                           int srcx, int srcy);
+  int (*server_set_pointer)(struct xrdp_mod* v, int x, int y,
+                            char* data, char* mask);
   int (*server_palette)(struct xrdp_mod* v, int* palette);
   int (*server_msg)(struct xrdp_mod* v, char* msg, int code);
   int (*server_is_term)(struct xrdp_mod* v);
@@ -122,7 +124,19 @@ struct xrdp_mod
                                int offset, int baseline,
                                int width, int height, char* data);
 
-  long server_dumby[100 - 39]; /* align, 100 minus the number of server
+  int (*server_create_os_surface_bpp)(struct xrdp_mod* v, int rdpindex,
+                                      int width, int height, int bpp);
+  int (*server_paint_rect_bpp)(struct xrdp_mod* v, int x, int y, int cx, int cy,
+                               char* data, int width, int height,
+                               int srcx, int srcy, int bpp);
+  int (*server_composite)(struct xrdp_mod* v, int srcidx, int srcformat,
+                          int srcwidth, int srcrepeat, int* srctransform,
+                          int mskflags, int mskidx, int mskformat,
+                          int mskwidth, int mskrepeat, int op,
+                          int srcx, int srcy, int mskx, int msky,
+                          int dstx, int dsty, int width, int height,
+                          int dstformat);
+  long server_dumby[100 - 42]; /* align, 100 minus the number of server
                                   functions above */
   /* common */
   long handle; /* pointer to self as int */
diff --git a/xup/xup.c b/xup/xup.c
index d77eee55..acac30a4 100644
--- a/xup/xup.c
+++ b/xup/xup.c
@@ -541,12 +541,17 @@ lib_mod_process_orders(struct mod *mod, int type, struct stream *s)
     int cy;
     int srcx;
     int srcy;
+    int mskx;
+    int msky;
+    int dstx;
+    int dsty;
     int len_bmpdata;
     int style;
     int x1;
     int y1;
     int x2;
     int y2;
+    int bpp;
     int rdpid;
     int hints;
     int mask;
@@ -566,6 +571,18 @@ lib_mod_process_orders(struct mod *mod, int type, struct stream *s)
     int box_top;
     int box_right;
     int box_bottom;
+    int srcrepeat;
+    int srcidx;
+    int srcformat;
+    int srcwidth;
+    int mskflags;
+    int mskidx;
+    int mskformat;
+    int mskwidth;
+    int mskrepeat;
+    int dstformat;
+    int op;
+    int transform[10];
     char *bmpdata;
     char cur_data[32 * (32 * 3)];
     char cur_mask[32 * (32 / 8)];
@@ -729,6 +746,56 @@ lib_mod_process_orders(struct mod *mod, int type, struct stream *s)
                                        clip_right, clip_bottom, box_left, box_top,
                                        box_right, box_bottom, x, y, bmpdata, len_bmpdata);
             break;
+        case 31: /* server_create_os_surface_bpp */
+            in_uint32_le(s, rdpid);
+            in_uint16_le(s, width);
+            in_uint16_le(s, height);
+            in_uint8(s, bpp);
+            rv = mod->server_create_os_surface_bpp(mod, rdpid, width, height, bpp);
+            break;
+        case 32: /* server_paint_rect_bpp */
+            in_sint16_le(s, x);
+            in_sint16_le(s, y);
+            in_uint16_le(s, cx);
+            in_uint16_le(s, cy);
+            in_uint32_le(s, len_bmpdata);
+            in_uint8p(s, bmpdata, len_bmpdata);
+            in_uint16_le(s, width);
+            in_uint16_le(s, height);
+            in_sint16_le(s, srcx);
+            in_sint16_le(s, srcy);
+            in_uint8(s, bpp);
+            rv = mod->server_paint_rect_bpp(mod, x, y, cx, cy,
+                                            bmpdata, width, height,
+                                            srcx, srcy, bpp);
+            break;
+        case 33:
+            in_uint16_le(s, srcidx);
+            in_uint32_le(s, srcformat);
+            in_uint16_le(s, srcwidth);
+            in_uint8(s, srcrepeat);
+            g_memcpy(transform, s->p, 40);
+            in_uint8s(s, 40);
+            in_uint8(s, mskflags);
+            in_uint16_le(s, mskidx);
+            in_uint32_le(s, mskformat);
+            in_uint16_le(s, mskwidth);
+            in_uint8(s, mskrepeat);
+            in_uint8(s, op);
+            in_sint16_le(s, srcx);
+            in_sint16_le(s, srcy);
+            in_sint16_le(s, mskx);
+            in_sint16_le(s, msky);
+            in_sint16_le(s, dstx);
+            in_sint16_le(s, dsty);
+            in_uint16_le(s, width);
+            in_uint16_le(s, height);
+            in_uint32_le(s, dstformat);
+            rv = mod->server_composite(mod, srcidx, srcformat, srcwidth, srcrepeat,
+                                       transform, mskflags, mskidx, mskformat,
+                                       mskwidth, mskrepeat, op, srcx, srcy, mskx, msky,
+                                       dstx, dsty, width, height, dstformat);
+            break;
         case 51: /* server_set_pointer_ex */
             rv = process_server_set_pointer_ex(mod, s);
             break;
diff --git a/xup/xup.h b/xup/xup.h
index 93465695..ca232c4d 100644
--- a/xup/xup.h
+++ b/xup/xup.h
@@ -53,7 +53,8 @@ struct mod
   int (*server_screen_blt)(struct mod* v, int x, int y, int cx, int cy,
                            int srcx, int srcy);
   int (*server_paint_rect)(struct mod* v, int x, int y, int cx, int cy,
-                           char* data, int width, int height, int srcx, int srcy);
+                           char* data, int width, int height,
+                           int srcx, int srcy);
   int (*server_set_cursor)(struct mod* v, int x, int y, char* data, char* mask);
   int (*server_palette)(struct mod* v, int* palette);
   int (*server_msg)(struct mod* v, char* msg, int code);
@@ -122,8 +123,18 @@ struct mod
   int (*server_add_char_alpha)(struct mod* v, int font, int charactor,
                                int offset, int baseline,
                                int width, int height, char* data);
+  int (*server_create_os_surface_bpp)(struct mod* v, int rdpindex,
+                                      int width, int height, int bpp);
+  int (*server_paint_rect_bpp)(struct mod* v, int x, int y, int cx, int cy,
+                               char* data, int width, int height,
+                               int srcx, int srcy, int bpp);
+  int (*server_composite)(struct mod* v, int srcidx, int srcformat, int srcwidth,
+                          int srcrepeat, int* srctransform, int mskflags, int mskidx,
+                          int mskformat, int mskwidth, int mskrepeat, int op,
+                          int srcx, int srcy, int mskx, int msky,
+                          int dstx, int dsty, int width, int height, int dstformat);
 
-  tbus server_dumby[100 - 39]; /* align, 100 minus the number of server
+  tbus server_dumby[100 - 42]; /* align, 100 minus the number of server
                                   functions above */
   /* common */
   tbus handle; /* pointer to self as long */