--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/directfb/SDL_DirectFB_video.c	Tue Sep 04 22:53:46 2001 +0000
@@ -0,0 +1,746 @@
+/*
+	SDL - Simple DirectMedia Layer
+	Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
+
+	This library is free software; you can redistribute it and/or
+	modify it under the terms of the GNU Library General Public
+	License as published by the Free Software Foundation; either
+	version 2 of the License, or (at your option) any later version.
+
+	This library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+	Library General Public License for more details.
+
+	You should have received a copy of the GNU Library General Public
+	License along with this library; if not, write to the Free
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+	Sam Lantinga
+	slouken@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* DirectFB video driver implementation.
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <directfb.h>
+
+#include "SDL.h"
+#include "SDL_error.h"
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "SDL_sysvideo.h"
+#include "SDL_pixels_c.h"
+#include "SDL_events_c.h"
+#include "SDL_DirectFB_video.h"
+#include "SDL_DirectFB_events.h"
+
+
+/* Initialization/Query functions */
+static int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat);
+static SDL_Rect **DirectFB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+static SDL_Surface *DirectFB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+static int DirectFB_SetColors(_THIS, int firstcolor, int ncolors,
+			 SDL_Color *colors);
+static void DirectFB_VideoQuit(_THIS);
+
+/* Hardware surface functions */
+static int DirectFB_AllocHWSurface(_THIS, SDL_Surface *surface);
+static int DirectFB_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color);
+static int DirectFB_LockHWSurface(_THIS, SDL_Surface *surface);
+static void DirectFB_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static void DirectFB_FreeHWSurface(_THIS, SDL_Surface *surface);
+static int DirectFB_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst);
+static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
+                                SDL_Surface *dst, SDL_Rect *dstrect);
+static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key);
+static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha);
+static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface);
+
+/* Various screen update functions available */
+static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
+static void DirectFB_WindowedUpdate(_THIS, int numrects, SDL_Rect *rects);
+
+/* This is the rect EnumModes2 uses */
+struct DirectFBEnumRect {
+	SDL_Rect r;
+	struct DirectFBEnumRect* next;
+};
+
+static struct DirectFBEnumRect *enumlists[NUM_MODELISTS];
+
+
+/* DirectFB driver bootstrap functions */
+
+static int DirectFB_Available(void)
+{
+  return 1;
+}
+
+static void DirectFB_DeleteDevice(SDL_VideoDevice *device)
+{
+  free(device->hidden);
+  free(device);
+}
+
+static SDL_VideoDevice *DirectFB_CreateDevice(int devindex)
+{
+  SDL_VideoDevice *device;
+
+  /* Initialize all variables that we clean on shutdown */
+  device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
+  if (device)
+    {
+      memset (device, 0, (sizeof *device));
+      device->hidden = (struct SDL_PrivateVideoData *) malloc (sizeof (*device->hidden));
+    }
+  if (device == NULL  ||  device->hidden == NULL)
+    {
+      SDL_OutOfMemory();
+      if (device)
+        {
+          free (device);
+        }
+      return(0);
+    }
+  memset (device->hidden, 0, sizeof (*device->hidden));
+
+  /* Set the function pointers */
+  device->VideoInit = DirectFB_VideoInit;
+  device->ListModes = DirectFB_ListModes;
+  device->SetVideoMode = DirectFB_SetVideoMode;
+  device->SetColors = DirectFB_SetColors;
+  device->UpdateRects = NULL;
+  device->VideoQuit = DirectFB_VideoQuit;
+  device->AllocHWSurface = DirectFB_AllocHWSurface;
+  device->CheckHWBlit = DirectFB_CheckHWBlit;
+  device->FillHWRect = DirectFB_FillHWRect;
+  device->SetHWColorKey = DirectFB_SetHWColorKey;
+  device->SetHWAlpha = DirectFB_SetHWAlpha;
+  device->LockHWSurface = DirectFB_LockHWSurface;
+  device->UnlockHWSurface = DirectFB_UnlockHWSurface;
+  device->FlipHWSurface = DirectFB_FlipHWSurface;
+  device->FreeHWSurface = DirectFB_FreeHWSurface;
+  device->SetCaption = NULL;
+  device->SetIcon = NULL;
+  device->IconifyWindow = NULL;
+  device->GrabInput = NULL;
+  device->GetWMInfo = NULL;
+  device->InitOSKeymap = DirectFB_InitOSKeymap;
+  device->PumpEvents = DirectFB_PumpEvents;
+
+  device->free = DirectFB_DeleteDevice;
+
+  return device;
+}
+
+VideoBootStrap DirectFB_bootstrap = {
+  "directfb", "DirectFB",
+  DirectFB_Available, DirectFB_CreateDevice
+};
+
+static DFBEnumerationResult EnumModesCallback (unsigned int  width,
+                                               unsigned int  height,
+                                               unsigned int  bpp,
+                                               void         *data)
+{
+  SDL_VideoDevice *this = (SDL_VideoDevice *)data;
+  struct DirectFBEnumRect *enumrect;
+
+  switch (bpp)
+    {
+    case 8:
+    case 15:
+    case 16:
+    case 24:
+    case 32:
+      bpp /= 8; --bpp;
+      ++HIDDEN->SDL_nummodes[bpp];
+      enumrect = (struct DirectFBEnumRect*)malloc(sizeof(struct DirectFBEnumRect));
+      if ( !enumrect )
+        {
+          SDL_OutOfMemory();
+          return DFENUM_CANCEL;
+        }
+      enumrect->r.x = 0;
+      enumrect->r.y = 0;
+      enumrect->r.w = width;
+      enumrect->r.h = height;
+      enumrect->next = enumlists[bpp];
+      enumlists[bpp] = enumrect;
+      break;
+    }
+
+  return DFENUM_OK;
+}
+
+struct private_hwdata {
+  IDirectFBSurface *surface;
+};
+
+void SetDirectFBerror (const char *function, DFBResult code)
+{
+  const char *error = DirectFBErrorString (code);
+
+  if (error)
+    SDL_SetError("%s: %s", function, error);
+  else
+    SDL_SetError("Unknown error code from %s", function);
+}
+
+static DFBSurfacePixelFormat SDLToDFBPixelFormat (SDL_PixelFormat *format)
+{
+  if (format->Rmask && format->Gmask && format->Bmask)
+    {
+      switch (format->BitsPerPixel)
+        {
+        case 16:
+          if (format->Rmask == 0xF800 &&
+              format->Gmask == 0x07E0 &&
+              format->Bmask == 0x001F)
+            return DSPF_RGB16;
+          /* fall through */
+          
+        case 15:
+          if (format->Rmask == 0x7C00 &&
+              format->Gmask == 0x03E0 &&
+              format->Bmask == 0x001F)
+            return DSPF_RGB15;
+          break;
+          
+        case 24:
+          if (format->Rmask == 0xFF0000 &&
+              format->Gmask == 0x00FF00 &&
+              format->Bmask == 0x0000FF)
+            return DSPF_RGB24;
+          break;
+          
+        case 32:
+          if (format->Rmask == 0xFF0000 &&
+              format->Gmask == 0x00FF00 &&
+              format->Bmask == 0x0000FF)
+            {
+              if (format->Amask == 0xFF000000)
+                return DSPF_ARGB;
+              else
+                return DSPF_RGB32;
+            }
+          break;
+        }
+    }
+  else
+    {
+      switch (format->BitsPerPixel)
+	{
+	case 15:
+	  return DSPF_RGB15;
+	case 16:
+	  return DSPF_RGB16;
+	case 24:
+	  return DSPF_RGB24;
+	case 32:
+	  return DSPF_RGB32;
+	}
+    }
+
+  return DSPF_UNKNOWN;
+}
+
+static int DFBToSDLPixelFormat (DFBSurfacePixelFormat pixelformat, SDL_PixelFormat *format)
+{
+  format->BitsPerPixel = 0;
+  format->Amask = format->Rmask = format->Gmask = format->Bmask = 0;
+
+  switch (pixelformat)
+    {
+    case DSPF_A8:
+      format->Amask = 0x000000FF;
+      break;
+    case DSPF_RGB15:
+      format->Rmask = 0x00007C00;
+      format->Gmask = 0x000003E0;
+      format->Bmask = 0x0000001F;
+      break;
+    case DSPF_RGB16:
+      format->Rmask = 0x0000F800;
+      format->Gmask = 0x000007E0;
+      format->Bmask = 0x0000001F;
+      break;
+    case DSPF_ARGB:
+      format->Amask = 0xFF000000;
+      /* fall through */
+    case DSPF_RGB24:
+    case DSPF_RGB32:
+      format->Rmask = 0x00FF0000;
+      format->Gmask = 0x0000FF00;
+      format->Bmask = 0x000000FF;
+      break;
+    default:
+      return -1;
+    }
+
+  format->BitsPerPixel = BITS_PER_PIXEL(pixelformat);
+
+  return 0;
+}
+
+
+int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat)
+{
+  int                    i, j;
+  DFBResult              ret;
+  IDirectFB             *dfb;
+  DFBCardCapabilities    caps;
+  IDirectFBDisplayLayer *layer;
+  DFBDisplayLayerConfig  dlc;
+  IDirectFBInputBuffer  *inputbuffer;
+
+
+  ret = DirectFBInit (NULL, NULL);
+  if (ret)
+    {
+      SetDirectFBerror ("DirectFBInit", ret);
+      return -1;
+    }
+
+  ret = DirectFBCreate (&dfb);
+  if (ret)
+    {
+      SetDirectFBerror ("DirectFBCreate", ret);
+      return -1;
+    }
+
+  ret = dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer);
+  if (ret)
+    {
+      SetDirectFBerror ("dfb->GetDisplayLayer", ret);
+      dfb->Release (dfb);
+      return -1;
+    }
+
+  ret = dfb->CreateInputBuffer (dfb, DICAPS_BUTTONS | DICAPS_AXIS | DICAPS_KEYS,
+                                &inputbuffer);
+  if (ret)
+    {
+      SetDirectFBerror ("dfb->CreateInputBuffer", ret);
+      layer->Release (layer);
+      dfb->Release (dfb);
+      return -1;
+    }
+  
+  layer->EnableCursor (layer, 1);
+
+  /* Query layer configuration to determine the current mode and pixelformat */
+  layer->GetConfiguration (layer, &dlc);
+
+  if (DFBToSDLPixelFormat (dlc.pixelformat, vformat))
+    {
+      SDL_SetError ("Unsupported pixelformat");
+      layer->Release (layer);
+      dfb->Release (dfb);
+      return -1;
+    }
+
+  /* Enumerate the available fullscreen modes */
+  for ( i=0; i<NUM_MODELISTS; ++i )
+    enumlists[i] = NULL;
+
+  ret = dfb->EnumVideoModes (dfb, EnumModesCallback, this);
+  if (ret)
+    {
+      SetDirectFBerror ("dfb->EnumVideoModes", ret);
+      layer->Release (layer);
+      dfb->Release (dfb);
+      return(-1);
+    }
+  for ( i=0; i<NUM_MODELISTS; ++i )
+    {
+      struct DirectFBEnumRect *rect;
+      HIDDEN->SDL_modelist[i] = (SDL_Rect **) malloc
+        ((HIDDEN->SDL_nummodes[i]+1)*sizeof(SDL_Rect *));
+      if ( HIDDEN->SDL_modelist[i] == NULL )
+        {
+          SDL_OutOfMemory();
+          return(-1);
+        }
+      for ( j = 0, rect = enumlists[i]; rect; ++j, rect = rect->next )
+        {
+          HIDDEN->SDL_modelist[i][j]=(SDL_Rect *)rect;
+        }
+      HIDDEN->SDL_modelist[i][j] = NULL;
+    }
+
+  /* Query card capabilities to get the video memory size */
+  dfb->GetCardCapabilities (dfb, &caps);
+
+  this->info.wm_available = 1;
+  this->info.hw_available = 1;
+  this->info.blit_hw      = 1;
+  this->info.blit_hw_CC   = 1;
+  this->info.blit_hw_A    = 1;
+  this->info.blit_fill    = 1;
+  this->info.video_mem    = caps.video_memory / 1024;
+
+  HIDDEN->initialized = 1;
+  HIDDEN->dfb         = dfb;
+  HIDDEN->layer       = layer;
+  HIDDEN->inputbuffer = inputbuffer;
+
+  return 0;
+}
+
+static SDL_Rect **DirectFB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+{
+  if (flags & SDL_FULLSCREEN)
+    return HIDDEN->SDL_modelist[((format->BitsPerPixel + 7) / 8) - 1];
+  else
+    if (SDLToDFBPixelFormat (format) != DSPF_UNKNOWN)
+      return (SDL_Rect**) -1;
+
+  return NULL;
+}
+
+SDL_Surface *DirectFB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags)
+{
+  DFBResult             ret;
+  DFBSurfaceDescription dsc;
+  DFBSurfacePixelFormat pixelformat;
+
+  fprintf (stderr, "SDL DirectFB_SetVideoMode: %dx%d@%d, flags: 0x%08x\n",
+           width, height, bpp, flags);
+
+  flags |= SDL_FULLSCREEN;
+
+  /* Release previous primary surface */
+  if (current->hwdata && current->hwdata->surface)
+    {
+      current->hwdata->surface->Release (current->hwdata->surface);
+      current->hwdata->surface = NULL;
+    }
+  else if (!current->hwdata)
+    {
+      /* Allocate the hardware acceleration data */
+      current->hwdata = (struct private_hwdata *) malloc (sizeof(*current->hwdata));
+      if (!current->hwdata)
+        {
+          SDL_OutOfMemory();
+          return NULL;
+	}
+      memset (current->hwdata, 0, sizeof(*current->hwdata));
+    }
+
+  /* Set cooperative level depending on flag SDL_FULLSCREEN */
+  if (flags & SDL_FULLSCREEN)
+    {
+      ret = HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_FULLSCREEN);
+      if (ret)
+        {
+          DirectFBError ("dfb->SetCooperativeLevel", ret);
+          flags &= ~SDL_FULLSCREEN;
+        }
+    }
+  else
+    HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_NORMAL);
+
+  /* Set video mode */
+  ret = HIDDEN->dfb->SetVideoMode (HIDDEN->dfb, width, height, bpp);
+  if (ret)
+    {
+      if (flags & SDL_FULLSCREEN)
+        {
+          flags &= ~SDL_FULLSCREEN;
+          HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_NORMAL);
+          ret = HIDDEN->dfb->SetVideoMode (HIDDEN->dfb, width, height, bpp);
+        }
+
+      if (ret)
+        {
+          SetDirectFBerror ("dfb->SetVideoMode", ret);
+          return NULL;
+        }
+    }
+
+  /* Create primary surface */
+  dsc.flags = DSDESC_CAPS;
+  dsc.caps  = DSCAPS_PRIMARY | ((flags & SDL_DOUBLEBUF) ? DSCAPS_FLIPPING : 0);
+
+  ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &current->hwdata->surface);
+  if (ret && (flags & SDL_DOUBLEBUF))
+    {
+      /* Try without double buffering */
+      dsc.caps &= ~DSCAPS_FLIPPING;
+      ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &current->hwdata->surface);
+    }
+  if (ret)
+    {
+      SetDirectFBerror ("dfb->CreateSurface", ret);
+      current->hwdata->surface = NULL;
+      return NULL;
+    }
+
+  current->w     = width;
+  current->h     = height;
+  current->flags = SDL_HWSURFACE | SDL_PREALLOC;
+
+  if (flags & SDL_FULLSCREEN)
+    {
+      current->flags |= SDL_FULLSCREEN;
+      this->UpdateRects = DirectFB_DirectUpdate;
+    }
+  else
+    this->UpdateRects = DirectFB_WindowedUpdate;
+
+  if (dsc.caps & DSCAPS_FLIPPING)
+    current->flags |= SDL_DOUBLEBUF;
+
+  current->hwdata->surface->GetPixelFormat (current->hwdata->surface, &pixelformat);
+  DFBToSDLPixelFormat (pixelformat, current->format);
+
+  return current;
+}
+
+static int DirectFB_AllocHWSurface(_THIS, SDL_Surface *surface)
+{
+  DFBResult             ret;
+  DFBSurfaceDescription dsc;
+
+  /*  fprintf(stderr, "SDL: DirectFB_AllocHWSurface (%dx%d@%d, flags: 0x%08x)\n",
+      surface->w, surface->h, surface->format->BitsPerPixel, surface->flags);*/
+
+  if (surface->w < 8 || surface->h < 8)
+    return -1;
+
+  /* fill surface description */
+  dsc.flags  = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
+  dsc.width  = surface->w;
+  dsc.height = surface->h;
+  dsc.caps   = surface->flags & SDL_DOUBLEBUF ? DSCAPS_FLIPPING : 0;
+
+  /* find the right pixelformat */
+  dsc.pixelformat = SDLToDFBPixelFormat (surface->format);
+  if (dsc.pixelformat == DSPF_UNKNOWN)
+    return -1;
+
+  /* Allocate the hardware acceleration data */
+  surface->hwdata = (struct private_hwdata *) malloc (sizeof(*surface->hwdata));
+  if (surface->hwdata == NULL)
+    {
+      SDL_OutOfMemory();
+      return -1;
+    }
+
+  /* Create the surface */
+  ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface->hwdata->surface);
+  if (ret)
+    {
+      SetDirectFBerror ("dfb->CreateSurface", ret);
+      free (surface->hwdata);
+      surface->hwdata = NULL;
+      return -1;
+    }
+
+  surface->flags |= SDL_HWSURFACE | SDL_PREALLOC;
+
+  return 0;
+}
+
+static void DirectFB_FreeHWSurface(_THIS, SDL_Surface *surface)
+{
+  if (surface->hwdata && HIDDEN->initialized)
+    {
+      surface->hwdata->surface->Release (surface->hwdata->surface);
+      free (surface->hwdata);
+      surface->hwdata = NULL;
+    }
+}
+
+static int DirectFB_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst)
+{
+  /*  fprintf(stderr, "SDL: DirectFB_CheckHWBlit (src->hwdata: %p, dst->hwdata: %p)\n",
+      src->hwdata, dst->hwdata);*/
+
+  if (!src->hwdata || !dst->hwdata)
+    return 0;
+
+  src->flags |= SDL_HWACCEL;
+  src->map->hw_blit = DirectFB_HWAccelBlit;
+
+  return 1;
+}
+
+static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
+                                SDL_Surface *dst, SDL_Rect *dstrect)
+{
+  DFBRectangle             sr, dr;
+  IDirectFBSurface        *surface;
+  DFBSurfaceBlittingFlags  flags = DSBLIT_NOFX;
+
+  sr.x = srcrect->x;
+  sr.y = srcrect->y;
+  sr.w = srcrect->w;
+  sr.h = srcrect->h;
+
+  dr.x = dstrect->x;
+  dr.y = dstrect->y;
+  dr.w = dstrect->w;
+  dr.h = dstrect->h;
+
+  surface = dst->hwdata->surface;
+
+  if (src->flags & SDL_SRCCOLORKEY)
+    {
+      flags |= DSBLIT_SRC_COLORKEY;
+      surface->SetSrcColorKey (surface, src->format->colorkey);
+    }
+
+  if (src->flags & SDL_SRCALPHA)
+    {
+      flags |= DSBLIT_BLEND_COLORALPHA;
+      surface->SetColor (surface, 0xff, 0xff, 0xff, src->format->alpha);
+    }
+
+  surface->SetBlittingFlags (surface, flags);
+
+  if (sr.w == dr.w && sr.h == dr.h)
+    surface->Blit (surface, src->hwdata->surface, &sr, dr.x, dr.y);
+  else
+    surface->StretchBlit (surface, src->hwdata->surface, &sr, &dr);
+
+  return 0;
+}
+
+static int DirectFB_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color)
+{
+  SDL_PixelFormat  *fmt     = dst->format;
+  IDirectFBSurface *surface = dst->hwdata->surface;
+
+  /* ugly */
+  surface->SetColor (surface,
+                     (color & fmt->Rmask) >> (fmt->Rshift - fmt->Rloss),
+                     (color & fmt->Gmask) >> (fmt->Gshift - fmt->Gloss),
+                     (color & fmt->Bmask) << (fmt->Bloss - fmt->Bshift), 0xFF);
+  surface->FillRectangle (surface, dstrect->x, dstrect->y, dstrect->w, dstrect->h);
+
+  return 0;
+}
+
+static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key)
+{
+  return 0;
+}
+
+static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha)
+{
+  return 0;
+}
+
+static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface)
+{
+  return surface->hwdata->surface->Flip (surface->hwdata->surface, NULL, DSFLIP_WAITFORSYNC);
+}
+
+static int DirectFB_LockHWSurface(_THIS, SDL_Surface *surface)
+{
+  DFBResult  ret;
+  void      *data;
+  int        pitch;
+
+  ret = surface->hwdata->surface->Lock (surface->hwdata->surface,
+                                        DSLF_WRITE, &data, &pitch);
+  if (ret)
+    {
+      SetDirectFBerror ("surface->Lock", ret);
+      return -1;
+    }
+
+  surface->pixels = data;
+  surface->pitch  = pitch;
+
+  return 0;
+}
+
+static void DirectFB_UnlockHWSurface(_THIS, SDL_Surface *surface)
+{
+  surface->hwdata->surface->Unlock (surface->hwdata->surface);
+  surface->pixels = NULL;
+}
+
+static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+}
+
+static void DirectFB_WindowedUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+  IDirectFBSurface *surface = this->screen->hwdata->surface;
+  DFBRegion region = { rects->x, rects->y,
+                       rects->x + rects->w - 1,
+                       rects->y + rects->h - 1 };
+
+  while (--numrects)
+    {
+      int x2, y2;
+
+      rects++;
+
+      if (rects->x < region.x1)
+        region.x1 = rects->x;
+
+      if (rects->y < region.y1)
+        region.y1 = rects->y;
+
+      x2 = rects->x + rects->w - 1;
+      y2 = rects->y + rects->h - 1;
+
+      if (x2 > region.x2)
+        region.x2 = x2;
+
+      if (y2 > region.y2)
+        region.y2 = y2;
+    }
+
+  surface->Flip (surface, &region, DSFLIP_WAITFORSYNC);
+}
+
+int DirectFB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
+{
+  fprintf(stderr, "SDL: Unimplemented DirectFB_SetColors!\n");
+  return 0;
+}
+	
+void DirectFB_VideoQuit(_THIS)
+{
+  int i, j;
+
+  HIDDEN->inputbuffer->Release (HIDDEN->inputbuffer);
+  HIDDEN->layer->Release (HIDDEN->layer);
+  HIDDEN->dfb->Release (HIDDEN->dfb);
+
+  /* Free video mode lists */
+  for ( i=0; i<NUM_MODELISTS; ++i )
+    {
+      if ( HIDDEN->SDL_modelist[i] != NULL )
+        {
+          for ( j=0; HIDDEN->SDL_modelist[i][j]; ++j )
+            free(HIDDEN->SDL_modelist[i][j]);
+          free(HIDDEN->SDL_modelist[i]);
+          HIDDEN->SDL_modelist[i] = NULL;
+        }
+    }
+
+  HIDDEN->initialized = 0;
+}
+
+void DirectFB_FinalQuit(void) 
+{
+}