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

4 files changed, 386 insertions, 0 deletions

diff --git a/libxrdp/libxrdp.c b/libxrdp/libxrdp.c
index 15e34e91..e72fa1d0 100644
--- a/libxrdp/libxrdp.c
+++ b/libxrdp/libxrdp.c
@@ -629,6 +629,25 @@ 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 38e59061..8ef26492 100644
--- a/libxrdp/xrdp_orders.c
+++ b/libxrdp/xrdp_orders.c
@@ -1597,6 +1597,332 @@ 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,