added bitmap cache

common/os_calls.c

@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004
+   Copyright (C) Jay Sorg 2004-2005
 
    generic operating system calls
 
@@ -57,7 +57,7 @@ static pthread_mutex_t g_term_mutex = PTHREAD_MUTEX_INITIALIZER;
 static int g_term = 0;
 
 #ifdef MEMLEAK
-#include "xrdp.h"
+#include "/home/j/cvs/xrdp/xrdp/xrdp.h"
 #endif
 
 #ifdef MEMLEAK
@@ -181,7 +181,7 @@ void g_free1(void* ptr)
 }
 
 /*****************************************************************************/
-void g_printf(char* format, ...)
+void g_printf(const char* format, ...)
 {
   va_list ap;
 

common/os_calls.h

@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004
+   Copyright (C) Jay Sorg 2004-2005
 
    generic operating system calls
 
@@ -23,7 +23,7 @@
 int g_init_system(void);
 int g_exit_system(void);
 void g_printf(char *format, ...);
-void g_sprintf(char* dest, ...);
+void g_sprintf(char* dest, char* format, ...);
 void g_hexdump(char* p, int len);
 void* g_malloc(int size, int zero);
 void* g_malloc1(int size, int zero);

vnc/vnc.c

@@ -22,9 +22,9 @@
 
 #include "vnc.h"
 
-const char* vnc_start_command =
+char* vnc_start_command =
 "su %s -c \"sh ../vnc/startvnc.sh :%d %d %d %d\"";
-const char* vnc_stop_command =
+char* vnc_stop_command =
 "";
 
 /******************************************************************************/
@@ -270,6 +270,8 @@ int lib_framebuffer_update(struct vnc* v)
   }
   in_uint8s(s, 1);
   in_uint16_be(s, num_recs);
+
+  v->server_begin_update(v);
   for (i = 0; i < num_recs; i++)
   {
     init_stream(s, 8192);
@@ -292,9 +294,7 @@ int lib_framebuffer_update(struct vnc* v)
         free_stream(s);
         return 1;
       }
-      v->server_begin_update(v);
       v->server_paint_rect(v, x, y, cx, cy, data);
-      v->server_end_update(v);
       g_free(data);
     }
     else if (encoding == 1) /* copy rect */
@@ -307,9 +307,7 @@ int lib_framebuffer_update(struct vnc* v)
       }
       in_uint16_be(s, srcx);
       in_uint16_be(s, srcy);
-      v->server_begin_update(v);
       v->server_screen_blt(v, x, y, cx, cy, srcx, srcy);
-      v->server_end_update(v);
     }
     else if (encoding == 0xffffff11) /* cursor */
     {
@@ -342,6 +340,8 @@ int lib_framebuffer_update(struct vnc* v)
       v->server_set_cursor(v, x, y, cursor_data, cursor_mask);
     }
   }
+  v->server_end_update(v);
+
   /* FrambufferUpdateRequest */
   init_stream(s, 8192);
   out_uint8(s, 3);

xrdp/xrdp.h

@@ -81,6 +81,7 @@ struct xrdp_orders* xrdp_orders_create(struct xrdp_process* owner);
 void xrdp_orders_delete(struct xrdp_orders* self);
 int xrdp_orders_init(struct xrdp_orders* self);
 int xrdp_orders_send(struct xrdp_orders* self);
+int xrdp_orders_force_send(struct xrdp_orders* self);
 int xrdp_orders_rect(struct xrdp_orders* self, int x, int y, int cx, int cy,
                      int color, struct xrdp_rect* rect);
 int xrdp_orders_screen_blt(struct xrdp_orders* self, int x, int y,
@@ -116,6 +117,9 @@ int xrdp_orders_send_palette(struct xrdp_orders* self, int* palette,
 int xrdp_orders_send_raw_bitmap(struct xrdp_orders* self,
                                 struct xrdp_bitmap* bitmap,
                                 int cache_id, int cache_idx);
+int xrdp_orders_send_bitmap(struct xrdp_orders* self,
+                            struct xrdp_bitmap* bitmap,
+                            int cache_id, int cache_idx);
 int xrdp_orders_send_font(struct xrdp_orders* self,
                           struct xrdp_font_item* font_item,
                           int font_index, int char_index);
@@ -182,9 +186,16 @@ int xrdp_bitmap_set_focus(struct xrdp_bitmap* self, int focused);
 int xrdp_bitmap_load(struct xrdp_bitmap* self, char* filename, int* palette);
 int xrdp_bitmap_get_pixel(struct xrdp_bitmap* self, int x, int y);
 int xrdp_bitmap_set_pixel(struct xrdp_bitmap* self, int x, int y, int pixel);
-int xrdp_bitmap_copy_box(struct xrdp_bitmap* self, struct xrdp_bitmap* dest,
+int xrdp_bitmap_copy_box(struct xrdp_bitmap* self,
+                         struct xrdp_bitmap* dest,
                          int x, int y, int cx, int cy);
-int xrdp_bitmap_compare(struct xrdp_bitmap* self, struct xrdp_bitmap* b);
+int xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap* self,
+                                  struct xrdp_bitmap* dest,
+                                  int x, int y, int cx, int cy);
+int xrdp_bitmap_compare(struct xrdp_bitmap* self,
+                        struct xrdp_bitmap* b);
+int xrdp_bitmap_compare_with_crc(struct xrdp_bitmap* self,
+                                 struct xrdp_bitmap* b);
 int xrdp_bitmap_invalidate(struct xrdp_bitmap* self, struct xrdp_rect* rect);
 int xrdp_bitmap_def_proc(struct xrdp_bitmap* self, int msg,
                          int param1, int param2);
@@ -253,4 +264,5 @@ int xrdp_file_read_section(int fd, char* section, struct xrdp_list* names,
 /* xrdp_bitmap_compress.c */
 int xrdp_bitmap_compress(char* in_data, int width, int height,
                          struct stream* s, int bpp, int byte_limit,
-                         int start_line, struct stream* temp);
+                         int start_line, struct stream* temp,
+                         int e);

xrdp/xrdp.ini

@@ -18,3 +18,12 @@ ip=127.0.0.1
 port=5903
 username=n/a
 password=master
+
+[vnc3]
+name=playback
+lib=../vnc/libvnc.so
+auth=local
+ip=127.0.0.1
+port=5910
+username=n/a
+password=tucker

xrdp/xrdp_bitmap.c

@@ -25,6 +25,59 @@
 
 #include "xrdp.h"
 
+int g_crc_seed = 0xffffffff;
+int g_crc_table[256] =
+{
+  0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+  0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+  0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+  0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+  0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+  0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+  0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
+  0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+  0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+  0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+  0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
+  0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+  0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+  0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+  0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+  0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+  0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+  0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+  0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+  0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+  0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+  0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+  0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+  0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+  0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+  0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+  0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+  0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+  0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+  0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+  0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+  0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+  0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+  0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+  0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+  0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+  0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+  0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+  0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+  0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+  0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+  0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+  0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+#define CRC_START(in_crc) in_crc = g_crc_seed
+#define CRC_PASS(in_pixel, in_crc) \
+in_crc = g_crc_table[(in_crc ^ (in_pixel)) & 0xff] ^ (in_crc >> 8)
+#define CRC_END(in_crc) in_crc = (in_crc ^ g_crc_seed)
+
 /*****************************************************************************/
 struct xrdp_bitmap* xrdp_bitmap_create(int width, int height, int bpp,
                                        int type)
@@ -337,74 +390,240 @@ int xrdp_bitmap_set_pixel(struct xrdp_bitmap* self, int x, int y, int pixel)
 }
 
 /*****************************************************************************/
-/* copy part of self at x, y to 0, o in dest */
+/* copy part of self at x, y to 0, 0 in dest */
 /* returns error */
-int xrdp_bitmap_copy_box(struct xrdp_bitmap* self, struct xrdp_bitmap* dest,
+int xrdp_bitmap_copy_box(struct xrdp_bitmap* self,
+                         struct xrdp_bitmap* dest,
                          int x, int y, int cx, int cy)
 {
   int i;
   int j;
   int destx;
   int desty;
+  int pixel;
+
+  if (self == 0)
+  {
+    return 1;
+  }
+  if (dest == 0)
+  {
+    return 1;
+  }
+  if (self->type != WND_TYPE_BITMAP && self->type != WND_TYPE_IMAGE)
+  {
+    return 1;
+  }
+  if (dest->type != WND_TYPE_BITMAP && dest->type != WND_TYPE_IMAGE)
+  {
+    return 1;
+  }
+  if (self->bpp != dest->bpp)
+  {
+    return 1;
+  }
+  destx = 0;
+  desty = 0;
+  if (!check_bounds(self, &x, &y, &cx, &cy))
+  {
+    return 1;
+  }
+  if (!check_bounds(dest, &destx, &desty, &cx, &cy))
+  {
+    return 1;
+  }
+  if (self->bpp == 24)
+  {
+    for (i = 0; i < cy; i++)
+    {
+      for (j = 0; j < cx; j++)
+      {
+        pixel = GETPIXEL32(self->data, j + x, i + y, self->width);
+        SETPIXEL32(dest->data, j + destx, i + desty, dest->width, pixel);
+      }
+    }
+  }
+  else if (self->bpp == 15 || self->bpp == 16)
+  {
+    for (i = 0; i < cy; i++)
+    {
+      for (j = 0; j < cx; j++)
+      {
+        pixel = GETPIXEL16(self->data, j + x, i + y, self->width);
+        SETPIXEL16(dest->data, j + destx, i + desty, dest->width, pixel);
+      }
+    }
+  }
+  else if (self->bpp == 8)
+  {
+    for (i = 0; i < cy; i++)
+    {
+      for (j = 0; j < cx; j++)
+      {
+        pixel = GETPIXEL8(self->data, j + x, i + y, self->width);
+        SETPIXEL8(dest->data, j + destx, i + desty, dest->width, pixel);
+      }
+    }
+  }
+  else
+  {
+    return 1;
+  }
+  return 0;
+}
+
+/*****************************************************************************/
+/* copy part of self at x, y to 0, 0 in dest */
+/* returns error */
+int xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap* self,
+                                  struct xrdp_bitmap* dest,
+                                  int x, int y, int cx, int cy)
+{
+  int i;
+  int j;
+  int destx;
+  int desty;
+  int pixel;
 
   if (self == 0)
+  {
     return 1;
+  }
   if (dest == 0)
+  {
     return 1;
+  }
   if (self->type != WND_TYPE_BITMAP && self->type != WND_TYPE_IMAGE)
+  {
     return 1;
+  }
   if (dest->type != WND_TYPE_BITMAP && dest->type != WND_TYPE_IMAGE)
+  {
     return 1;
+  }
   if (self->bpp != dest->bpp)
+  {
     return 1;
+  }
   destx = 0;
   desty = 0;
   if (!check_bounds(self, &x, &y, &cx, &cy))
+  {
     return 1;
+  }
   if (!check_bounds(dest, &destx, &desty, &cx, &cy))
+  {
     return 1;
+  }
+  CRC_START(dest->crc);
   if (self->bpp == 24)
   {
     for (i = 0; i < cy; i++)
+    {
       for (j = 0; j < cx; j++)
-        SETPIXEL32(dest->data, j + destx, i + desty, dest->width,
-                   GETPIXEL32(self->data, j + x, i + y, self->width));
+      {
+        pixel = GETPIXEL32(self->data, j + x, i + y, self->width);
+        CRC_PASS(pixel, dest->crc);
+        CRC_PASS(pixel >> 8, dest->crc);
+        CRC_PASS(pixel >> 16, dest->crc);
+        SETPIXEL32(dest->data, j + destx, i + desty, dest->width, pixel);
+      }
+    }
   }
   else if (self->bpp == 15 || self->bpp == 16)
   {
     for (i = 0; i < cy; i++)
+    {
       for (j = 0; j < cx; j++)
-        SETPIXEL16(dest->data, j + destx, i + desty, dest->width,
-                   GETPIXEL16(self->data, j + x, i + y, self->width));
+      {
+        pixel = GETPIXEL16(self->data, j + x, i + y, self->width);
+        CRC_PASS(pixel, dest->crc);
+        CRC_PASS(pixel >> 8, dest->crc);
+        SETPIXEL16(dest->data, j + destx, i + desty, dest->width, pixel);
+      }
+    }
   }
   else if (self->bpp == 8)
   {
     for (i = 0; i < cy; i++)
+    {
       for (j = 0; j < cx; j++)
-        SETPIXEL8(dest->data, j + destx, i + desty, dest->width,
-                  GETPIXEL8(self->data, j + x, i + y, self->width));
+      {
+        pixel = GETPIXEL8(self->data, j + x, i + y, self->width);
+        CRC_PASS(pixel, dest->crc);
+        SETPIXEL8(dest->data, j + destx, i + desty, dest->width, pixel);
+      }
+    }
   }
   else
+  {
     return 1;
+  }
+  CRC_END(dest->crc);
   return 0;
 }
 
 /*****************************************************************************/
 /* returns true if they are the same, else returns false */
-int xrdp_bitmap_compare(struct xrdp_bitmap* self, struct xrdp_bitmap* b)
+int xrdp_bitmap_compare(struct xrdp_bitmap* self,
+                        struct xrdp_bitmap* b)
 {
   if (self == 0)
+  {
     return 0;
+  }
   if (b == 0)
+  {
     return 0;
+  }
   if (self->bpp != b->bpp)
+  {
     return 0;
+  }
   if (self->width != b->width)
+  {
     return 0;
+  }
   if (self->height != b->height)
+  {
     return 0;
+  }
   if (g_memcmp(self->data, b->data, b->height * b->line_size) == 0)
+  {
+    return 1;
+  }
+  return 0;
+}
+
+/*****************************************************************************/
+/* returns true if they are the same, else returns false */
+int xrdp_bitmap_compare_with_crc(struct xrdp_bitmap* self,
+                                 struct xrdp_bitmap* b)
+{
+  if (self == 0)
+  {
+    return 0;
+  }
+  if (b == 0)
+  {
+    return 0;
+  }
+  if (self->bpp != b->bpp)
+  {
+    return 0;
+  }
+  if (self->width != b->width)
+  {
+    return 0;
+  }
+  if (self->height != b->height)
+  {
+    return 0;
+  }
+  if (self->crc == b->crc)
+  {
     return 1;
+  }
   return 0;
 }
 

xrdp/xrdp_bitmap_compress.c

@@ -434,14 +434,14 @@
 /*****************************************************************************/
 int xrdp_bitmap_compress(char* in_data, int width, int height,
                          struct stream* s, int bpp, int byte_limit,
-                         int start_line, struct stream* temp_s)
+                         int start_line, struct stream* temp_s,
+                         int e)
 {
   char* line;
   char* last_line;
   char fom_mask[8192];
   int lines_sent;
   int pixel;
-  int e;
   int count;
   int color_count;
   int last_pixel;
@@ -462,11 +462,6 @@ int xrdp_bitmap_compress(char* in_data, int width, int height,
   int temp; /* used in macros */
 
   init_stream(temp_s, 0);
-  e = width % 4;
-  if (e != 0)
-  {
-    e = 4 - e;
-  }
   fom_mask_len = 0;
   last_line = 0;
   lines_sent = 0;

xrdp/xrdp_cache.c

@@ -62,19 +62,60 @@ int xrdp_cache_add_bitmap(struct xrdp_cache* self, struct xrdp_bitmap* bitmap)
   int oldest;
   int cache_id;
   int cache_idx;
-  struct xrdp_bitmap* b;
+  int bmp_size;
+  int e;
+  int Bpp;
 
+  e = bitmap->width % 4;
+  if (e != 0)
+  {
+    e = 4 - e;
+  }
+  Bpp = (bitmap->bpp + 7) / 8;
+  bmp_size = (bitmap->width + e) * bitmap->height * Bpp;
   self->bitmap_stamp++;
   /* look for match */
-  for (i = 0; i < 3; i++)
+  if (bmp_size < self->cache1_size)
   {
-    for (j = 0; j < 600; j++)
-    //for (j = 0; (i == 0 && j < 600) || (i == 1 && j < 300); j++)
+    i = 0;
+    for (j = 0; j < self->cache1_entries; j++)
+    {
+      if (xrdp_bitmap_compare_with_crc(self->bitmap_items[i][j].bitmap, bitmap))
+      {
+        self->bitmap_items[i][j].stamp = self->bitmap_stamp;
+        DEBUG(("found bitmap at %d %d\n\r", i, j));
+        //g_printf("found bitmap at %d %d\n\r", i, j);
+        xrdp_bitmap_delete(bitmap);
+        return MAKELONG(i, j);
+      }
+    }
+  }
+  else if (bmp_size < self->cache2_size)
+  {
+    i = 1;
+    for (j = 0; j < self->cache2_entries; j++)
+    {
+      if (xrdp_bitmap_compare_with_crc(self->bitmap_items[i][j].bitmap, bitmap))
+      {
+        self->bitmap_items[i][j].stamp = self->bitmap_stamp;
+        DEBUG(("found bitmap at %d %d\n\r", i, j));
+        //g_printf("found bitmap at %d %d\n\r", i, j);
+        xrdp_bitmap_delete(bitmap);
+        return MAKELONG(i, j);
+      }
+    }
+  }
+  else if (bmp_size < self->cache3_size)
+  {
+    i = 2;
+    for (j = 0; j < self->cache3_entries; j++)
     {
-      if (xrdp_bitmap_compare(self->bitmap_items[i][j].bitmap, bitmap))
+      if (xrdp_bitmap_compare_with_crc(self->bitmap_items[i][j].bitmap, bitmap))
       {
         self->bitmap_items[i][j].stamp = self->bitmap_stamp;
         DEBUG(("found bitmap at %d %d\n\r", i, j));
+        //g_printf("found bitmap at %d %d\n\r", i, j);
+        xrdp_bitmap_delete(bitmap);
         return MAKELONG(i, j);
       }
     }
@@ -83,10 +124,36 @@ int xrdp_cache_add_bitmap(struct xrdp_cache* self, struct xrdp_bitmap* bitmap)
   cache_id = 0;
   cache_idx = 0;
   oldest = 0x7fffffff;
-  for (i = 0; i < 3; i++)
+  if (bmp_size < self->cache1_size)
   {
-    for (j = 0; j < 600; j++)
-    //for (j = 0; (i == 0 && j < 600) || (i == 1 && j < 300); j++)
+    i = 0;
+    for (j = 0; j < self->cache1_entries; j++)
+    {
+      if (self->bitmap_items[i][j].stamp < oldest)
+      {
+        oldest = self->bitmap_items[i][j].stamp;
+        cache_id = i;
+        cache_idx = j;
+      }
+    }
+  }
+  else if (bmp_size < self->cache2_size)
+  {
+    i = 1;
+    for (j = 0; j < self->cache2_entries; j++)
+    {
+      if (self->bitmap_items[i][j].stamp < oldest)
+      {
+        oldest = self->bitmap_items[i][j].stamp;
+        cache_id = i;
+        cache_idx = j;
+      }
+    }
+  }
+  else if (bmp_size < self->cache3_size)
+  {
+    i = 2;
+    for (j = 0; j < self->cache3_entries; j++)
     {
       if (self->bitmap_items[i][j].stamp < oldest)
       {
@@ -99,11 +166,16 @@ int xrdp_cache_add_bitmap(struct xrdp_cache* self, struct xrdp_bitmap* bitmap)
   DEBUG(("adding bitmap at %d %d\n\r", cache_id, cache_idx));
   /* set, send bitmap and return */
   xrdp_bitmap_delete(self->bitmap_items[cache_id][cache_idx].bitmap);
-  b = xrdp_bitmap_create(bitmap->width, bitmap->height, bitmap->bpp, 0);
-  xrdp_bitmap_copy_box(bitmap, b, 0, 0, bitmap->width, bitmap->height);
-  self->bitmap_items[cache_id][cache_idx].bitmap = b;
+  self->bitmap_items[cache_id][cache_idx].bitmap = bitmap;
   self->bitmap_items[cache_id][cache_idx].stamp = self->bitmap_stamp;
-  xrdp_orders_send_raw_bitmap(self->orders, b, cache_id, cache_idx);
+  if (self->use_bitmap_comp)
+  {
+    xrdp_orders_send_bitmap(self->orders, bitmap, cache_id, cache_idx);
+  }
+  else
+  {
+    xrdp_orders_send_raw_bitmap(self->orders, bitmap, cache_id, cache_idx);
+  }
   return MAKELONG(cache_id, cache_idx);
 }
 

xrdp/xrdp_login_wnd.c

@@ -132,9 +132,9 @@ int server_paint_rect(struct xrdp_mod* mod, int x, int y, int cx, int cy,
 
   wm = (struct xrdp_wm*)mod->wm;
   b = xrdp_bitmap_create_with_data(cx, cy, wm->screen->bpp, data);
-  xrdp_wm_send_bitmap(wm, b, x, y, cx, cy);
-  /*xrdp_painter_draw_bitmap((struct xrdp_painter*)mod->painter,
-                           wm->screen, b, x, y, cx, cy);*/
+  //xrdp_wm_send_bitmap(wm, b, x, y, cx, cy);
+  xrdp_painter_draw_bitmap((struct xrdp_painter*)mod->painter,
+                           wm->screen, b, x, y, cx, cy);
   xrdp_bitmap_delete(b);
   return 0;
 }

xrdp/xrdp_painter.c

@@ -220,7 +220,8 @@ int xrdp_painter_fill_rect2(struct xrdp_painter* self,
   return 0;
 }
 
-#define SS 16
+#define SSW 64
+#define SSH 63
 
 /*****************************************************************************/
 int xrdp_painter_draw_bitmap(struct xrdp_painter* self,
@@ -251,7 +252,9 @@ int xrdp_painter_draw_bitmap(struct xrdp_painter* self,
   /* todo data */
 
   if (bitmap->type == WND_TYPE_BITMAP)
+  {
     return 0;
+  }
   region = xrdp_region_create(self->wm);
   xrdp_wm_get_vis_region(self->wm, bitmap, x, y, cx, cy, region,
                          self->clip_children);
@@ -262,78 +265,103 @@ int xrdp_painter_draw_bitmap(struct xrdp_painter* self,
     y = y + b->top;
     b = b->parent;
   }
-  palette_id = xrdp_cache_add_palette(self->wm->cache, self->wm->palette);
-  j = 0;
-  while (j < to_draw->height)
+  if (self->wm->use_bitmap_cache)
   {
-    i = 0;
-    while (i < to_draw->width)
+    palette_id = xrdp_cache_add_palette(self->wm->cache, self->wm->palette);
+    j = 0;
+    while (j < to_draw->height)
     {
-      x1 = x + i;
-      y1 = y + j;
-      w = MIN(SS, to_draw->width - i);
-      h = MIN(SS, to_draw->height - j);
-      b = xrdp_bitmap_create(w, h, self->wm->screen->bpp, 0);
-      xrdp_bitmap_copy_box(to_draw, b, i, j, w, h);
-      bitmap_id = xrdp_cache_add_bitmap(self->wm->cache, b);
-      cache_id = HIWORD(bitmap_id);
-      cache_idx = LOWORD(bitmap_id);
-      k = 0;
-      while (xrdp_region_get_rect(region, k, &rect) == 0)
+      i = 0;
+      while (i < to_draw->width)
       {
-        if (!ISRECTEMPTY(rect))
+        x1 = x + i;
+        y1 = y + j;
+        w = MIN(SSW, to_draw->width - i);
+        h = MIN(SSH, to_draw->height - j);
+        b = xrdp_bitmap_create(w, h, self->wm->screen->bpp, 0);
+        xrdp_bitmap_copy_box_with_crc(to_draw, b, i, j, w, h);
+        bitmap_id = xrdp_cache_add_bitmap(self->wm->cache, b);
+        cache_id = HIWORD(bitmap_id);
+        cache_idx = LOWORD(bitmap_id);
+        k = 0;
+        while (xrdp_region_get_rect(region, k, &rect) == 0)
         {
-          MAKERECT(rect1, x1, y1, w, h);
-          if (rect_intersect(&rect, &rect1, &rect2))
+          if (!ISRECTEMPTY(rect))
           {
-            ok = 1;
-            if (self->use_clip)
-            {
-              rect = self->clip;
-              RECTOFFSET(rect, x, y);
-              if (!rect_intersect(&rect2, &rect, &rect1))
-                ok = 0;
-            }
-            else
-              rect1 = rect2;
-            if (ok)
+            MAKERECT(rect1, x1, y1, w, h);
+            if (rect_intersect(&rect, &rect1, &rect2))
             {
-              rect1.right--;
-              rect1.bottom--;
-              /* check these so ms client don't crash */
-              if (x1 + w >= self->wm->screen->width)
-                w = self->wm->screen->width - x1;
-              if (y1 + h >= self->wm->screen->height)
-                h = self->wm->screen->height - y1;
-              if (w > 0 && h > 0 && x1 + w > 0 && y1 + h > 0)
+              ok = 1;
+              if (self->use_clip)
+              {
+                rect = self->clip;
+                RECTOFFSET(rect, x, y);
+                if (!rect_intersect(&rect2, &rect, &rect1))
+                  ok = 0;
+              }
+              else
+              {
+                rect1 = rect2;
+              }
+              if (ok)
               {
-                srcx = 0;
-                srcy = 0;
-                if (x1 < 0)
+                rect1.right--;
+                rect1.bottom--;
+                /* check these so ms client don't crash */
+                if (x1 + w >= self->wm->screen->width)
+                {
+                  w = self->wm->screen->width - x1;
+                }
+                if (y1 + h >= self->wm->screen->height)
                 {
-                  w = w + x1;
-                  srcx = srcx - x1;
-                  x1 = 0;
+                  h = self->wm->screen->height - y1;
                 }
-                if (y1 < 0)
+                if (w > 0 && h > 0 && x1 + w > 0 && y1 + h > 0)
                 {
-                  h = h + y1;
-                  srcy = srcy - y1;
-                  y1 = 0;
+                  srcx = 0;
+                  srcy = 0;
+                  if (x1 < 0)
+                  {
+                    w = w + x1;
+                    srcx = srcx - x1;
+                    x1 = 0;
+                  }
+                  if (y1 < 0)
+                  {
+                    h = h + y1;
+                    srcy = srcy - y1;
+                    y1 = 0;
+                  }
+                  xrdp_orders_mem_blt(self->orders, cache_id, palette_id,
+                                      x1, y1, w, h, self->rop, srcx, srcy,
+                                      cache_idx, &rect1);
                 }
-                xrdp_orders_mem_blt(self->orders, cache_id, palette_id,
-                                    x1, y1, w, h, self->rop, srcx, srcy,
-                                    cache_idx, &rect1);
               }
             }
           }
+          k++;
         }
-        k++;
+        i += SSW;
       }
+      j += SSH;
+    }
+  }
+  else /* no bitmap cache */
+  {
+    xrdp_orders_force_send(self->orders);
+    k = 0;
+    while (xrdp_region_get_rect(region, k, &rect) == 0)
+    {
+      x1 = rect.left;
+      y1 = rect.top;
+      w = rect.right - rect.left;
+      h = rect.bottom - rect.top;
+      b = xrdp_bitmap_create(w, h, self->wm->screen->bpp, 0);
+      xrdp_bitmap_copy_box(to_draw, b, x1 - x, y1 - y, w, h);
+      xrdp_wm_send_bitmap(self->wm, b, x1, y1, w, h);
       xrdp_bitmap_delete(b);
-      i += SS;
+      k++;
     }
-    j += SS;
   }
   xrdp_region_delete(region);
   return 0;

xrdp/xrdp_rdp.c

@@ -358,9 +358,57 @@ int xrdp_rdp_send_demand_active(struct xrdp_rdp* self)
   return 0;
 }
 
+/*****************************************************************************/
+int xrdp_process_capset_bmpcache(struct xrdp_rdp* self, struct stream* s,
+                                 int len)
+{
+  //g_hexdump(s->p, len);
+  in_uint8s(s, 24);
+  in_uint16_le(s, self->cache1_entries);
+  in_uint16_le(s, self->cache1_size);
+  in_uint16_le(s, self->cache2_entries);
+  in_uint16_le(s, self->cache2_size);
+  in_uint16_le(s, self->cache3_entries);
+  in_uint16_le(s, self->cache3_size);
+  //g_printf("%d %d %d %d %d %d\n", self->cache1_entries, self->cache1_size,
+  //         self->cache2_entries, self->cache2_size,
+  //         self->cache3_entries, self->cache3_size);
+  return 0;
+}
+
 /*****************************************************************************/
 int xrdp_rdp_process_confirm_active(struct xrdp_rdp* self, struct stream* s)
 {
+  int cap_len;
+  int source_len;
+  int num_caps;
+  int index;
+  int type;
+  int len;
+  char* p;
+
+  in_uint8s(s, 4); /* rdp_shareid */
+  in_uint8s(s, 2); /* userid */
+  in_uint16_le(s, source_len); /* sizeof RDP_SOURCE */
+  in_uint16_le(s, cap_len);
+  in_uint8s(s, source_len);
+  in_uint16_le(s, num_caps);
+  in_uint8s(s, 2); /* pad */
+  for (index = 0; index < num_caps; index++)
+  {
+    p = s->p;
+    in_uint16_le(s, type);
+    in_uint16_le(s, len);
+    //g_printf("%d %d\n", type, len);
+    switch (type)
+    {
+      case RDP_CAPSET_BMPCACHE:
+        xrdp_process_capset_bmpcache(self, s, len);
+        break;
+    }
+    s->p = p + len;
+  }
+  //g_hexdump(s->p, s->end - s->p);
   return 0;
 }
 

xrdp/xrdp_types.h

@@ -180,6 +180,12 @@ struct xrdp_rdp
   int width;
   int height;
   int up_and_running;
+  int cache1_entries;
+  int cache1_size;
+  int cache2_entries;
+  int cache2_size;
+  int cache3_entries;
+  int cache3_size;
 };
 
 /* orders */
@@ -309,6 +315,13 @@ struct xrdp_cache
   struct xrdp_bitmap_item bitmap_items[3][600];
   int char_stamp;
   struct xrdp_char_item char_items[12][256];
+  int use_bitmap_comp;
+  int cache1_entries;
+  int cache1_size;
+  int cache2_entries;
+  int cache2_size;
+  int cache3_entries;
+  int cache3_size;
 };
 
 /* the window manager */
@@ -364,9 +377,10 @@ struct xrdp_wm
   int (*mod_exit)(int);
   struct xrdp_mod* mod;
   /* */
-  int use_comp;
+  int use_bitmap_comp;
+  int use_bitmap_cache;
   /*  */
-  int op1;
+  int op1; /* use smaller bitmap header, todo */
 };
 
 /* rdp process */
@@ -461,6 +475,8 @@ struct xrdp_bitmap
   /* for popup */
   struct xrdp_bitmap* popped_from;
   int item_height;
+  /* crc */
+  int crc;
 };
 
 /* font */

xrdp/xrdp_wm.c

@@ -35,10 +35,18 @@ struct xrdp_wm* xrdp_wm_create(struct xrdp_process* owner)
   self->pro_layer = owner;
   self->orders = owner->orders;
   self->painter = xrdp_painter_create(self);
+  self->use_bitmap_comp = 1;
+  self->use_bitmap_cache = 1;
+  self->op1 = 0;
   self->rdp_layer = owner->rdp_layer;
   self->cache = xrdp_cache_create(self, self->orders);
-  self->use_comp = 1;
-  self->op1 = 0;
+  self->cache->use_bitmap_comp = self->use_bitmap_comp;
+  self->cache->cache1_entries = owner->rdp_layer->cache1_entries;
+  self->cache->cache1_size = owner->rdp_layer->cache1_size;
+  self->cache->cache2_entries = owner->rdp_layer->cache2_entries;
+  self->cache->cache2_size = owner->rdp_layer->cache2_size;
+  self->cache->cache3_entries = owner->rdp_layer->cache3_entries;
+  self->cache->cache3_size = owner->rdp_layer->cache3_size;
   return self;
 }
 
@@ -123,7 +131,7 @@ int xrdp_wm_send_bitmap(struct xrdp_wm* self, struct xrdp_bitmap* bitmap,
   line_size = bitmap->width * Bpp;
   make_stream(s);
   init_stream(s, 8192);
-  if (self->use_comp)
+  if (self->use_bitmap_comp)
   {
     make_stream(temp_s);
     init_stream(temp_s, 65536);
@@ -153,7 +161,7 @@ int xrdp_wm_send_bitmap(struct xrdp_wm* self, struct xrdp_bitmap* bitmap,
                                              bitmap->height,
                                              s, bitmap->bpp,
                                              4096 - total_bufsize,
-                                             i - 1, temp_s);
+                                             i - 1, temp_s, e);
         if (lines_sending == 0)
           break;
         num_updates++;