src/video/directfb/SDL_DirectFB_video.c
author Ryan C. Gordon <icculus@icculus.org>
Mon, 22 Dec 2003 01:21:20 +0000
changeset 759 26ac9609211f
parent 732 d18e2b224d0e
child 767 d9e79e31a7b7
permissions -rw-r--r--
From: Thomas Jarosch
To: Ryan C. Gordon
Subject: SDL: DirectFB videodriver segfault
Date: Sun, 21 Dec 2003 20:40:14 +0100

Hi Ryan,

attached is a patch to fix a segfault in DirectFB_VideoQuit.
When SetVideoMode never gets called (f.e. wrong command line arguments
for "testsprite"), this->screen->hwdata is NULL.

Cheers,
Thomas
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/*
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	SDL - Simple DirectMedia Layer
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	Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga
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	This library is free software; you can redistribute it and/or
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	modify it under the terms of the GNU Library General Public
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	License as published by the Free Software Foundation; either
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	version 2 of the License, or (at your option) any later version.
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	This library is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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	Library General Public License for more details.
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	You should have received a copy of the GNU Library General Public
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	License along with this library; if not, write to the Free
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	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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	Sam Lantinga
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	slouken@libsdl.org
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	MGA CRTC2 support by Thomas Jarosch - tomj@simonv.com
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	CRTC2 support is inspired by mplayer's dfbmga driver
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	written by Ville Syrj��<syrjala@sci.fi>
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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/* DirectFB video driver implementation.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <directfb.h>
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#include "SDL.h"
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#include "SDL_error.h"
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#include "SDL_video.h"
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#include "SDL_mouse.h"
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#include "SDL_sysvideo.h"
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#include "SDL_pixels_c.h"
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#include "SDL_events_c.h"
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#include "SDL_DirectFB_video.h"
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#include "SDL_DirectFB_events.h"
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#include "SDL_DirectFB_yuv.h"
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/* Initialization/Query functions */
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static int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat);
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static SDL_Rect **DirectFB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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static SDL_Surface *DirectFB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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static int DirectFB_SetColors(_THIS, int firstcolor, int ncolors,
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			 SDL_Color *colors);
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static void DirectFB_VideoQuit(_THIS);
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/* Hardware surface functions */
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static int DirectFB_AllocHWSurface(_THIS, SDL_Surface *surface);
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static int DirectFB_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color);
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static int DirectFB_LockHWSurface(_THIS, SDL_Surface *surface);
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static void DirectFB_UnlockHWSurface(_THIS, SDL_Surface *surface);
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static void DirectFB_FreeHWSurface(_THIS, SDL_Surface *surface);
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static int DirectFB_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst);
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static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
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                                SDL_Surface *dst, SDL_Rect *dstrect);
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static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key);
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static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha);
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static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface);
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/* Various screen update functions available */
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static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
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static void DirectFB_WindowedUpdate(_THIS, int numrects, SDL_Rect *rects);
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/* This is the rect EnumModes2 uses */
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struct DirectFBEnumRect {
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	SDL_Rect r;
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	struct DirectFBEnumRect* next;
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};
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static struct DirectFBEnumRect *enumlist = NULL;
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/* DirectFB driver bootstrap functions */
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static int DirectFB_Available(void)
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{
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  return 1;
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}
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static void DirectFB_DeleteDevice(SDL_VideoDevice *device)
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{
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  free(device->hidden);
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  free(device);
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}
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static SDL_VideoDevice *DirectFB_CreateDevice(int devindex)
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{
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  SDL_VideoDevice *device;
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  /* Initialize all variables that we clean on shutdown */
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  device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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  if (device)
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    {
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      memset (device, 0, (sizeof *device));
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      device->hidden = (struct SDL_PrivateVideoData *) malloc (sizeof (*device->hidden));
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    }
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  if (device == NULL  ||  device->hidden == NULL)
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    {
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      SDL_OutOfMemory();
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      if (device)
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        {
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          free (device);
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        }
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      return(0);
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    }
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  memset (device->hidden, 0, sizeof (*device->hidden));
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  /* Set the function pointers */
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  device->VideoInit = DirectFB_VideoInit;
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  device->ListModes = DirectFB_ListModes;
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  device->SetVideoMode = DirectFB_SetVideoMode;
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  device->SetColors = DirectFB_SetColors;
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  device->UpdateRects = NULL;
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  device->CreateYUVOverlay = DirectFB_CreateYUVOverlay;
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  device->VideoQuit = DirectFB_VideoQuit;
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  device->AllocHWSurface = DirectFB_AllocHWSurface;
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  device->CheckHWBlit = DirectFB_CheckHWBlit;
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  device->FillHWRect = DirectFB_FillHWRect;
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  device->SetHWColorKey = DirectFB_SetHWColorKey;
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  device->SetHWAlpha = DirectFB_SetHWAlpha;
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  device->LockHWSurface = DirectFB_LockHWSurface;
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  device->UnlockHWSurface = DirectFB_UnlockHWSurface;
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  device->FlipHWSurface = DirectFB_FlipHWSurface;
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  device->FreeHWSurface = DirectFB_FreeHWSurface;
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  device->SetCaption = NULL;
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  device->SetIcon = NULL;
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  device->IconifyWindow = NULL;
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  device->GrabInput = NULL;
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  device->GetWMInfo = NULL;
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  device->InitOSKeymap = DirectFB_InitOSKeymap;
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  device->PumpEvents = DirectFB_PumpEvents;
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  device->free = DirectFB_DeleteDevice;
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  return device;
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}
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VideoBootStrap DirectFB_bootstrap = {
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  "directfb", "DirectFB",
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  DirectFB_Available, DirectFB_CreateDevice
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};
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static DFBSurfacePixelFormat GetFormatForBpp (int bpp, IDirectFBDisplayLayer *layer)
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{
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  DFBDisplayLayerConfig dlc;
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  int                   bytes = (bpp + 7) / 8;
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  layer->GetConfiguration (layer, &dlc);
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  if (bytes == DFB_BYTES_PER_PIXEL(dlc.pixelformat) && bytes > 1)
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    return dlc.pixelformat;
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  switch (bytes)
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    {
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    case 1:
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      return DSPF_LUT8;
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    case 2:
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      return DSPF_RGB16;
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    case 3:
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      return DSPF_RGB24;
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    case 4:
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      return DSPF_RGB32;
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    }
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  return DSPF_UNKNOWN;
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}
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static DFBEnumerationResult EnumModesCallback (unsigned int  width,
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                                               unsigned int  height,
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                                               unsigned int  bpp,
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                                               void         *data)
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{
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  SDL_VideoDevice *this = (SDL_VideoDevice *)data;
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  struct DirectFBEnumRect *enumrect;
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  HIDDEN->nummodes++;
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  enumrect = calloc(1, sizeof(struct DirectFBEnumRect));
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  if (!enumrect)
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    {
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      SDL_OutOfMemory();
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      return DFENUM_CANCEL;
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    }
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  enumrect->r.w  = width;
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  enumrect->r.h  = height;
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  enumrect->next = enumlist;
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  enumlist = enumrect;
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  return DFENUM_OK;
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}
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struct private_hwdata {
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  IDirectFBSurface *surface;
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  IDirectFBPalette *palette;
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};
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void SetDirectFBerror (const char *function, DFBResult code)
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{
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  const char *error = DirectFBErrorString (code);
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  if (error)
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    SDL_SetError("%s: %s", function, error);
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  else
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    SDL_SetError("Unknown error code from %s", function);
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}
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static DFBSurfacePixelFormat SDLToDFBPixelFormat (SDL_PixelFormat *format)
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{
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  if (format->Rmask && format->Gmask && format->Bmask)
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    {
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      switch (format->BitsPerPixel)
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        {
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        case 8:
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          return DSPF_LUT8;
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        case 16:
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          if (format->Rmask == 0xF800 &&
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              format->Gmask == 0x07E0 &&
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              format->Bmask == 0x001F)
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            return DSPF_RGB16;
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          /* fall through */
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        case 15:
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          if (format->Rmask == 0x7C00 &&
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              format->Gmask == 0x03E0 &&
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              format->Bmask == 0x001F)
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            return DSPF_RGB15;
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          break;
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        case 24:
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          if (format->Rmask == 0xFF0000 &&
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              format->Gmask == 0x00FF00 &&
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              format->Bmask == 0x0000FF)
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            return DSPF_RGB24;
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          break;
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        case 32:
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          if (format->Rmask == 0xFF0000 &&
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              format->Gmask == 0x00FF00 &&
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              format->Bmask == 0x0000FF)
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            {
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              if (format->Amask == 0xFF000000)
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                return DSPF_ARGB;
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              else
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                return DSPF_RGB32;
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            }
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          break;
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        }
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    }
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  else
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    {
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      switch (format->BitsPerPixel)
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	{
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        case 8:
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          return DSPF_LUT8;
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	case 15:
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	  return DSPF_RGB15;
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	case 16:
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	  return DSPF_RGB16;
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	case 24:
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	  return DSPF_RGB24;
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	case 32:
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	  return DSPF_RGB32;
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	}
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   284
    }
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   285
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   286
  return DSPF_UNKNOWN;
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   287
}
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   288
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static SDL_Palette *AllocatePalette(int size)
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   290
{
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   291
  SDL_Palette *palette;
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   292
  SDL_Color   *colors;
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   293
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   294
  palette = calloc (1, sizeof(SDL_Palette));
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   295
  if (!palette)
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   296
    {
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   297
      SDL_OutOfMemory();
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   298
      return NULL;
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   299
    }
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   300
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   301
  colors = calloc (size, sizeof(SDL_Color));
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   302
  if (!colors)
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   303
    {
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   304
      SDL_OutOfMemory();
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   305
      return NULL;
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   306
    }
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   307
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   308
  palette->ncolors = size;
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   309
  palette->colors  = colors;
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   310
slouken@464
   311
  return palette;
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   312
}
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   313
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   314
static int DFBToSDLPixelFormat (DFBSurfacePixelFormat pixelformat, SDL_PixelFormat *format)
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   315
{
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   316
  format->Amask = format->Rmask = format->Gmask = format->Bmask = 0;
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   317
  format->BitsPerPixel = format->BytesPerPixel = 0;
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   318
slouken@167
   319
  switch (pixelformat)
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   320
    {
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   321
    case DSPF_A8:
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   322
      format->Amask = 0x000000FF;
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   323
      break;
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   324
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   325
    case DSPF_RGB15:
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   326
      format->Rmask = 0x00007C00;
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   327
      format->Gmask = 0x000003E0;
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   328
      format->Bmask = 0x0000001F;
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   329
      break;
slouken@464
   330
slouken@167
   331
    case DSPF_RGB16:
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   332
      format->Rmask = 0x0000F800;
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   333
      format->Gmask = 0x000007E0;
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   334
      format->Bmask = 0x0000001F;
slouken@167
   335
      break;
slouken@464
   336
slouken@167
   337
    case DSPF_ARGB:
slouken@464
   338
      format->Amask = 0; /* apps don't seem to like that:  0xFF000000; */
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   339
      /* fall through */
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   340
    case DSPF_RGB24:
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   341
    case DSPF_RGB32:
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   342
      format->Rmask = 0x00FF0000;
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   343
      format->Gmask = 0x0000FF00;
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   344
      format->Bmask = 0x000000FF;
slouken@167
   345
      break;
slouken@464
   346
slouken@477
   347
    case DSPF_LUT8:
slouken@477
   348
      format->Rmask = 0x000000FF;
slouken@477
   349
      format->Gmask = 0x000000FF;
slouken@477
   350
      format->Bmask = 0x000000FF;
slouken@464
   351
slouken@477
   352
      if (!format->palette)
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   353
        format->palette = AllocatePalette(256);
slouken@464
   354
      break;
slouken@464
   355
slouken@167
   356
    default:
slouken@477
   357
      fprintf (stderr, "SDL_DirectFB: Unsupported pixelformat (0x%08x)!\n", pixelformat);
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   358
      return -1;
slouken@167
   359
    }
slouken@167
   360
slouken@464
   361
  format->BitsPerPixel  = DFB_BYTES_PER_PIXEL(pixelformat) * 8;
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   362
  format->BytesPerPixel = DFB_BYTES_PER_PIXEL(pixelformat);
slouken@167
   363
slouken@167
   364
  return 0;
slouken@167
   365
}
slouken@167
   366
slouken@167
   367
slouken@167
   368
int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat)
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   369
{
slouken@464
   370
  int                      i;
slouken@464
   371
  DFBResult                ret;
slouken@464
   372
  DFBCardCapabilities      caps;
slouken@464
   373
  DFBDisplayLayerConfig    dlc;
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   374
  struct DirectFBEnumRect *rect;
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   375
  IDirectFB               *dfb    = NULL;
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   376
  IDirectFBDisplayLayer   *layer  = NULL;
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   377
  IDirectFBEventBuffer    *events = NULL;
slouken@167
   378
icculus@728
   379
  HIDDEN->c2layer = NULL, HIDDEN->c2frame = NULL;
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   380
  HIDDEN->enable_mga_crtc2 = 0;
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   381
  HIDDEN->mga_crtc2_stretch_overscan = 1;
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   382
slouken@167
   383
  ret = DirectFBInit (NULL, NULL);
slouken@167
   384
  if (ret)
slouken@167
   385
    {
slouken@167
   386
      SetDirectFBerror ("DirectFBInit", ret);
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   387
      goto error;
slouken@167
   388
    }
slouken@167
   389
slouken@167
   390
  ret = DirectFBCreate (&dfb);
slouken@167
   391
  if (ret)
slouken@167
   392
    {
slouken@167
   393
      SetDirectFBerror ("DirectFBCreate", ret);
slouken@464
   394
      goto error;
slouken@167
   395
    }
slouken@167
   396
slouken@167
   397
  ret = dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer);
slouken@167
   398
  if (ret)
slouken@167
   399
    {
slouken@167
   400
      SetDirectFBerror ("dfb->GetDisplayLayer", ret);
slouken@464
   401
      goto error;
slouken@167
   402
    }
slouken@167
   403
slouken@546
   404
  ret = dfb->CreateInputEventBuffer (dfb, DICAPS_ALL, DFB_FALSE, &events);
slouken@167
   405
  if (ret)
slouken@167
   406
    {
slouken@286
   407
      SetDirectFBerror ("dfb->CreateEventBuffer", ret);
slouken@464
   408
      goto error;
slouken@167
   409
    }
slouken@167
   410
  
slouken@167
   411
  layer->EnableCursor (layer, 1);
slouken@167
   412
slouken@167
   413
  /* Query layer configuration to determine the current mode and pixelformat */
slouken@167
   414
  layer->GetConfiguration (layer, &dlc);
slouken@167
   415
slouken@477
   416
  /* If current format is not supported use LUT8 as the default */
slouken@477
   417
  if (DFBToSDLPixelFormat (dlc.pixelformat, vformat))
slouken@477
   418
    DFBToSDLPixelFormat (DSPF_LUT8, vformat);
slouken@167
   419
slouken@167
   420
  /* Enumerate the available fullscreen modes */
slouken@167
   421
  ret = dfb->EnumVideoModes (dfb, EnumModesCallback, this);
slouken@167
   422
  if (ret)
slouken@167
   423
    {
slouken@167
   424
      SetDirectFBerror ("dfb->EnumVideoModes", ret);
slouken@464
   425
      goto error;
slouken@167
   426
    }
slouken@464
   427
slouken@464
   428
  HIDDEN->modelist = calloc (HIDDEN->nummodes + 1, sizeof(SDL_Rect *));
slouken@464
   429
  if (!HIDDEN->modelist)
slouken@167
   430
    {
slouken@464
   431
      SDL_OutOfMemory();
slouken@464
   432
      goto error;
slouken@167
   433
    }
slouken@167
   434
slouken@464
   435
  for (i = 0, rect = enumlist; rect; ++i, rect = rect->next )
slouken@464
   436
    {
slouken@464
   437
      HIDDEN->modelist[i] = &rect->r;
slouken@464
   438
    }
slouken@464
   439
slouken@464
   440
  HIDDEN->modelist[i] = NULL;
slouken@464
   441
slouken@464
   442
slouken@167
   443
  /* Query card capabilities to get the video memory size */
slouken@167
   444
  dfb->GetCardCapabilities (dfb, &caps);
slouken@167
   445
slouken@167
   446
  this->info.wm_available = 1;
slouken@167
   447
  this->info.hw_available = 1;
slouken@167
   448
  this->info.blit_hw      = 1;
slouken@167
   449
  this->info.blit_hw_CC   = 1;
slouken@167
   450
  this->info.blit_hw_A    = 1;
slouken@167
   451
  this->info.blit_fill    = 1;
slouken@167
   452
  this->info.video_mem    = caps.video_memory / 1024;
slouken@167
   453
slouken@167
   454
  HIDDEN->initialized = 1;
slouken@167
   455
  HIDDEN->dfb         = dfb;
slouken@167
   456
  HIDDEN->layer       = layer;
slouken@464
   457
  HIDDEN->eventbuffer = events;
slouken@167
   458
icculus@728
   459
  if (getenv("SDL_DIRECTFB_MGA_CRTC2") != NULL)
icculus@728
   460
    HIDDEN->enable_mga_crtc2 = 1;
icculus@728
   461
  
icculus@728
   462
  if (HIDDEN->enable_mga_crtc2)
icculus@728
   463
    {
icculus@728
   464
      ret = dfb->GetDisplayLayer (dfb, 2, &HIDDEN->c2layer);
icculus@728
   465
      if (ret)
icculus@728
   466
        {
icculus@728
   467
          SetDirectFBerror ("dfb->GetDisplayLayer(CRTC2)", ret);
icculus@728
   468
          goto error;
icculus@728
   469
        }
icculus@728
   470
icculus@728
   471
      ret = HIDDEN->layer->SetCooperativeLevel(HIDDEN->layer, DLSCL_EXCLUSIVE);
icculus@728
   472
      if (ret)
icculus@728
   473
        {
icculus@728
   474
          SetDirectFBerror ("layer->SetCooperativeLevel(CRTC2, EXCLUSIVE)", ret);
icculus@728
   475
          goto error;
icculus@728
   476
        }
icculus@728
   477
 
icculus@728
   478
      ret = HIDDEN->c2layer->SetCooperativeLevel(HIDDEN->c2layer, DLSCL_EXCLUSIVE);
icculus@728
   479
      if (ret)
icculus@728
   480
        {
icculus@728
   481
          SetDirectFBerror ("c2layer->SetCooperativeLevel(CRTC2, EXCLUSIVE)", ret);
icculus@728
   482
          goto error;
icculus@728
   483
        }
icculus@728
   484
icculus@728
   485
      HIDDEN->c2layer->SetOpacity(HIDDEN->c2layer, 0x0);
icculus@728
   486
icculus@728
   487
      /* Init the surface here as it got a fixed size */
icculus@728
   488
      DFBDisplayLayerConfig      dlc;
icculus@728
   489
      DFBDisplayLayerConfigFlags failed;
icculus@728
   490
    
icculus@728
   491
      dlc.flags      = DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE | DLCONF_OPTIONS;
icculus@728
   492
      dlc.buffermode = DLBM_BACKVIDEO;
icculus@728
   493
      dlc.options    = DLOP_FLICKER_FILTERING;
icculus@728
   494
      dlc.pixelformat = DSPF_RGB32;
icculus@728
   495
      
icculus@728
   496
      ret = HIDDEN->c2layer->TestConfiguration( HIDDEN->c2layer, &dlc, &failed );
icculus@728
   497
      if (ret)
icculus@728
   498
        {
icculus@728
   499
          SetDirectFBerror ("c2layer->TestConfiguration", ret);
icculus@728
   500
          goto error;
icculus@728
   501
        }
icculus@728
   502
    
icculus@728
   503
      ret = HIDDEN->c2layer->SetConfiguration( HIDDEN->c2layer, &dlc );
icculus@728
   504
      if (ret)
icculus@728
   505
        {
icculus@728
   506
          SetDirectFBerror ("c2layer->SetConfiguration", ret);
icculus@728
   507
          goto error;
icculus@728
   508
        }
icculus@728
   509
    
icculus@728
   510
      ret = HIDDEN->c2layer->GetSurface( HIDDEN->c2layer, &HIDDEN->c2frame );
icculus@728
   511
      if (ret)
icculus@728
   512
        {
icculus@728
   513
          SetDirectFBerror ("c2layer->GetSurface", ret);
icculus@728
   514
          goto error;
icculus@728
   515
        }
icculus@728
   516
icculus@728
   517
      HIDDEN->c2framesize.x = 0;
icculus@728
   518
      HIDDEN->c2framesize.y = 0;
icculus@728
   519
      HIDDEN->c2frame->GetSize( HIDDEN->c2frame, &HIDDEN->c2framesize.w, &HIDDEN->c2framesize.h);
icculus@728
   520
icculus@728
   521
      HIDDEN->c2frame->SetBlittingFlags( HIDDEN->c2frame, DSBLIT_NOFX );
icculus@728
   522
      HIDDEN->c2frame->SetColor( HIDDEN->c2frame, 0, 0, 0, 0xff );
icculus@728
   523
    
icculus@728
   524
      /* Clear CRTC2 */
icculus@728
   525
      HIDDEN->c2frame->Clear(HIDDEN->c2frame, 0, 0, 0, 0xff );
icculus@728
   526
      HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, 0 );
icculus@728
   527
      HIDDEN->c2frame->Clear(HIDDEN->c2frame, 0, 0, 0, 0xff );
icculus@728
   528
      HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, 0 );
icculus@728
   529
      HIDDEN->c2frame->Clear(HIDDEN->c2frame, 0, 0, 0, 0xff );
icculus@728
   530
icculus@728
   531
      HIDDEN->c2layer->SetOpacity(HIDDEN->c2layer, 0xFF );
icculus@732
   532
    
icculus@732
   533
      /* Check if overscan is possibly set */
icculus@732
   534
      if (getenv("SDL_DIRECTFB_MGA_OVERSCAN") != NULL)
icculus@732
   535
        {
icculus@732
   536
	    float overscan = 0;
icculus@732
   537
	    if (sscanf(getenv("SDL_DIRECTFB_MGA_OVERSCAN"), "%f", &overscan) == 1)
icculus@732
   538
               if (overscan > 0 && overscan < 2)
icculus@732
   539
		  HIDDEN->mga_crtc2_stretch_overscan = overscan;
icculus@732
   540
	}
icculus@732
   541
icculus@732
   542
      #ifdef DIRECTFB_CRTC2_DEBUG
icculus@732
   543
      printf("CRTC2 overscan: %f\n", HIDDEN->mga_crtc2_stretch_overscan);
icculus@732
   544
      #endif
icculus@728
   545
    }
icculus@728
   546
slouken@167
   547
  return 0;
slouken@464
   548
slouken@464
   549
 error:
slouken@464
   550
  if (events)
slouken@464
   551
    events->Release (events);
slouken@464
   552
  
icculus@728
   553
  if (HIDDEN->c2frame)
icculus@728
   554
    HIDDEN->c2frame->Release (HIDDEN->c2frame);
icculus@728
   555
icculus@728
   556
  if (HIDDEN->c2layer)
icculus@728
   557
    HIDDEN->c2layer->Release (HIDDEN->c2layer);
icculus@728
   558
slouken@464
   559
  if (layer)
slouken@464
   560
    layer->Release (layer);
slouken@464
   561
slouken@464
   562
  if (dfb)
slouken@464
   563
    dfb->Release (dfb);
slouken@464
   564
slouken@464
   565
  return -1;
slouken@167
   566
}
slouken@167
   567
slouken@167
   568
static SDL_Rect **DirectFB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
slouken@167
   569
{
slouken@167
   570
  if (flags & SDL_FULLSCREEN)
slouken@464
   571
    return HIDDEN->modelist;
slouken@167
   572
  else
slouken@167
   573
    if (SDLToDFBPixelFormat (format) != DSPF_UNKNOWN)
slouken@167
   574
      return (SDL_Rect**) -1;
slouken@167
   575
slouken@167
   576
  return NULL;
slouken@167
   577
}
slouken@167
   578
slouken@464
   579
static SDL_Surface *DirectFB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags)
slouken@167
   580
{
slouken@477
   581
  DFBResult              ret;
slouken@477
   582
  DFBSurfaceDescription  dsc;
slouken@477
   583
  DFBSurfacePixelFormat  pixelformat;
slouken@477
   584
  IDirectFBSurface      *surface;
slouken@167
   585
slouken@167
   586
  fprintf (stderr, "SDL DirectFB_SetVideoMode: %dx%d@%d, flags: 0x%08x\n",
slouken@167
   587
           width, height, bpp, flags);
slouken@167
   588
slouken@167
   589
  flags |= SDL_FULLSCREEN;
slouken@167
   590
slouken@167
   591
  /* Release previous primary surface */
slouken@167
   592
  if (current->hwdata && current->hwdata->surface)
slouken@167
   593
    {
slouken@167
   594
      current->hwdata->surface->Release (current->hwdata->surface);
slouken@167
   595
      current->hwdata->surface = NULL;
slouken@477
   596
slouken@477
   597
      /* And its palette if present */
slouken@477
   598
      if (current->hwdata->palette)
slouken@477
   599
        {
slouken@477
   600
          current->hwdata->palette->Release (current->hwdata->palette);
slouken@477
   601
          current->hwdata->palette = NULL;
slouken@477
   602
        }
slouken@167
   603
    }
slouken@167
   604
  else if (!current->hwdata)
slouken@167
   605
    {
slouken@167
   606
      /* Allocate the hardware acceleration data */
slouken@464
   607
      current->hwdata = (struct private_hwdata *) calloc (1, sizeof(*current->hwdata));
slouken@167
   608
      if (!current->hwdata)
slouken@167
   609
        {
slouken@167
   610
          SDL_OutOfMemory();
slouken@167
   611
          return NULL;
slouken@167
   612
	}
slouken@167
   613
    }
slouken@167
   614
slouken@167
   615
  /* Set cooperative level depending on flag SDL_FULLSCREEN */
slouken@167
   616
  if (flags & SDL_FULLSCREEN)
slouken@167
   617
    {
slouken@167
   618
      ret = HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_FULLSCREEN);
icculus@728
   619
      if (ret && !HIDDEN->enable_mga_crtc2)
slouken@167
   620
        {
slouken@167
   621
          DirectFBError ("dfb->SetCooperativeLevel", ret);
slouken@167
   622
          flags &= ~SDL_FULLSCREEN;
slouken@167
   623
        }
slouken@167
   624
    }
slouken@167
   625
  else
slouken@167
   626
    HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_NORMAL);
slouken@167
   627
slouken@167
   628
  /* Set video mode */
slouken@167
   629
  ret = HIDDEN->dfb->SetVideoMode (HIDDEN->dfb, width, height, bpp);
slouken@167
   630
  if (ret)
slouken@167
   631
    {
slouken@167
   632
      if (flags & SDL_FULLSCREEN)
slouken@167
   633
        {
slouken@167
   634
          flags &= ~SDL_FULLSCREEN;
slouken@167
   635
          HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_NORMAL);
slouken@167
   636
          ret = HIDDEN->dfb->SetVideoMode (HIDDEN->dfb, width, height, bpp);
slouken@167
   637
        }
slouken@167
   638
slouken@167
   639
      if (ret)
slouken@167
   640
        {
slouken@167
   641
          SetDirectFBerror ("dfb->SetVideoMode", ret);
slouken@167
   642
          return NULL;
slouken@167
   643
        }
slouken@167
   644
    }
slouken@167
   645
slouken@167
   646
  /* Create primary surface */
slouken@464
   647
  dsc.flags       = DSDESC_CAPS | DSDESC_PIXELFORMAT;
slouken@464
   648
  dsc.caps        = DSCAPS_PRIMARY | ((flags & SDL_DOUBLEBUF) ? DSCAPS_FLIPPING : 0);
slouken@464
   649
  dsc.pixelformat = GetFormatForBpp (bpp, HIDDEN->layer);
slouken@167
   650
slouken@477
   651
  ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface);
slouken@167
   652
  if (ret && (flags & SDL_DOUBLEBUF))
slouken@167
   653
    {
slouken@167
   654
      /* Try without double buffering */
slouken@167
   655
      dsc.caps &= ~DSCAPS_FLIPPING;
slouken@477
   656
      ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface);
slouken@167
   657
    }
slouken@167
   658
  if (ret)
slouken@167
   659
    {
slouken@167
   660
      SetDirectFBerror ("dfb->CreateSurface", ret);
slouken@167
   661
      return NULL;
slouken@167
   662
    }
slouken@167
   663
slouken@167
   664
  current->w     = width;
slouken@167
   665
  current->h     = height;
slouken@167
   666
  current->flags = SDL_HWSURFACE | SDL_PREALLOC;
slouken@167
   667
slouken@167
   668
  if (flags & SDL_FULLSCREEN)
slouken@167
   669
    {
slouken@167
   670
      current->flags |= SDL_FULLSCREEN;
slouken@167
   671
      this->UpdateRects = DirectFB_DirectUpdate;
slouken@167
   672
    }
slouken@167
   673
  else
slouken@167
   674
    this->UpdateRects = DirectFB_WindowedUpdate;
slouken@167
   675
slouken@167
   676
  if (dsc.caps & DSCAPS_FLIPPING)
slouken@167
   677
    current->flags |= SDL_DOUBLEBUF;
slouken@167
   678
slouken@477
   679
  surface->GetPixelFormat (surface, &pixelformat);
slouken@477
   680
slouken@167
   681
  DFBToSDLPixelFormat (pixelformat, current->format);
slouken@167
   682
slouken@477
   683
  /* Get the surface palette (if supported) */
slouken@477
   684
  if (DFB_PIXELFORMAT_IS_INDEXED( pixelformat ))
slouken@477
   685
    {
slouken@477
   686
      surface->GetPalette (surface, &current->hwdata->palette);
slouken@477
   687
slouken@477
   688
      current->flags |= SDL_HWPALETTE;
slouken@477
   689
    }
slouken@477
   690
slouken@477
   691
  current->hwdata->surface = surface;
slouken@477
   692
icculus@728
   693
  /* MGA CRTC2 stuff */
icculus@728
   694
  if (HIDDEN->enable_mga_crtc2)
icculus@728
   695
    {
icculus@728
   696
      /* no stretching if c2ssize == c2framesize */
icculus@728
   697
      HIDDEN->c2ssize.x = 0, HIDDEN->c2ssize.y = 0;
icculus@728
   698
      HIDDEN->c2ssize.w = width;
icculus@728
   699
      HIDDEN->c2ssize.h = height;
icculus@728
   700
icculus@728
   701
      HIDDEN->c2dsize.x = 0, HIDDEN->c2dsize.y = 0;
icculus@728
   702
      HIDDEN->c2dsize.w = width;
icculus@728
   703
      HIDDEN->c2dsize.h = height;
icculus@728
   704
icculus@728
   705
      HIDDEN->mga_crtc2_stretch = 0;
icculus@728
   706
icculus@728
   707
      if (getenv("SDL_DIRECTFB_MGA_STRETCH") != NULL)
icculus@728
   708
        {
icculus@732
   709
	    /* Normally assume a picture aspect ratio of 4:3 */
icculus@732
   710
	    int zoom_aspect_x = 4, zoom_aspect_y = 3, i, j;
icculus@732
   711
icculus@732
   712
	    for (i = 1; i < 20; i++)
icculus@732
   713
	      {
icculus@732
   714
		for (j = 1; j < 10; j++)
icculus@732
   715
		  {
icculus@732
   716
		    if ((float)width/(float)i*(float)j == height) 
icculus@732
   717
		      {
icculus@732
   718
			zoom_aspect_x = i;
icculus@732
   719
			zoom_aspect_y = j;
icculus@732
   720
			
icculus@732
   721
			/* break the loop */
icculus@732
   722
			i = 21;
icculus@732
   723
			break;
icculus@732
   724
		      }
icculus@732
   725
		  }
icculus@732
   726
	      }
icculus@732
   727
	
icculus@732
   728
            #ifdef DIRECTFB_CRTC2_DEBUG
icculus@732
   729
            printf("Source resolution: X: %d, Y: %d, Aspect ratio: %d:%d\n", width, height, zoom_aspect_x, zoom_aspect_y);
icculus@732
   730
            printf("CRTC2 resolution: X: %d, Y: %d\n", HIDDEN->c2framesize.w, HIDDEN->c2framesize.h);
icculus@732
   731
            #endif
icculus@732
   732
	
icculus@732
   733
          /* don't stretch only slightly smaller/larger images */
icculus@732
   734
          if ((float)width < (float)HIDDEN->c2framesize.w*0.95 || (float)height < (float)HIDDEN->c2framesize.h*0.95)
icculus@728
   735
            {
icculus@732
   736
              while ((float)HIDDEN->c2dsize.w < (float)HIDDEN->c2framesize.w*HIDDEN->mga_crtc2_stretch_overscan && (float)HIDDEN->c2dsize.h < (float)HIDDEN->c2framesize.h*HIDDEN->mga_crtc2_stretch_overscan)
icculus@728
   737
                {
icculus@732
   738
                   HIDDEN->c2dsize.w+=zoom_aspect_x;
icculus@732
   739
                   HIDDEN->c2dsize.h+=zoom_aspect_y;
icculus@728
   740
                }
icculus@728
   741
icculus@728
   742
              /* one step down */
icculus@732
   743
                HIDDEN->c2dsize.w-=zoom_aspect_x;
icculus@732
   744
                HIDDEN->c2dsize.h-=zoom_aspect_y;
icculus@728
   745
icculus@728
   746
              #ifdef DIRECTFB_CRTC2_DEBUG
icculus@728
   747
              printf("Stretched resolution: X: %d, Y: %d\n", HIDDEN->c2dsize.w, HIDDEN->c2dsize.h);
icculus@728
   748
              #endif
icculus@728
   749
icculus@728
   750
              HIDDEN->mga_crtc2_stretch = 1;
icculus@728
   751
            } 
icculus@732
   752
          else if ((float)width > (float)HIDDEN->c2framesize.w*0.95 || (float)height > (float)HIDDEN->c2framesize.h*0.95)
icculus@728
   753
            {
icculus@732
   754
               while ((float)HIDDEN->c2dsize.w > (float)HIDDEN->c2framesize.w*HIDDEN->mga_crtc2_stretch_overscan || (float)HIDDEN->c2dsize.h > (float)HIDDEN->c2framesize.h*HIDDEN->mga_crtc2_stretch_overscan)
icculus@728
   755
                {
icculus@732
   756
              HIDDEN->c2dsize.w-=zoom_aspect_x;
icculus@732
   757
              HIDDEN->c2dsize.h-=zoom_aspect_y;
icculus@728
   758
                }
icculus@728
   759
              
icculus@728
   760
              #ifdef DIRECTFB_CRTC2_DEBUG
icculus@728
   761
              printf("Down-Stretched resolution: X: %d, Y: %d\n", HIDDEN->c2dsize.w, HIDDEN->c2dsize.h);
icculus@728
   762
              #endif
icculus@728
   763
icculus@728
   764
              HIDDEN->mga_crtc2_stretch = 1;
icculus@732
   765
             } else {
icculus@732
   766
          #ifdef DIRECTFB_CRTC2_DEBUG
icculus@732
   767
          printf("Not stretching image\n");
icculus@732
   768
          #endif
icculus@728
   769
        }
icculus@728
   770
icculus@728
   771
      /* Panning */
icculus@728
   772
      if (HIDDEN->c2framesize.w > HIDDEN->c2dsize.w)
icculus@728
   773
        HIDDEN->c2dsize.x = (HIDDEN->c2framesize.w - HIDDEN->c2dsize.w)  / 2;
icculus@728
   774
      else
icculus@728
   775
        HIDDEN->c2dsize.x = (HIDDEN->c2dsize.w - HIDDEN->c2framesize.w)  / 2;
icculus@728
   776
icculus@728
   777
      if (HIDDEN->c2framesize.h > HIDDEN->c2dsize.h)
icculus@728
   778
        HIDDEN->c2dsize.y = (HIDDEN->c2framesize.h - HIDDEN->c2dsize.h)  / 2;
icculus@728
   779
      else
icculus@728
   780
        HIDDEN->c2dsize.y = (HIDDEN->c2dsize.h - HIDDEN->c2framesize.h)  / 2;
icculus@728
   781
icculus@728
   782
      #ifdef DIRECTFB_CRTC2_DEBUG
icculus@732
   783
    printf("CRTC2 position X: %d, Y: %d\n", HIDDEN->c2dsize.x, HIDDEN->c2dsize.y);
icculus@728
   784
      #endif
icculus@728
   785
   }
icculus@732
   786
  }
icculus@728
   787
slouken@167
   788
  return current;
slouken@167
   789
}
slouken@167
   790
slouken@167
   791
static int DirectFB_AllocHWSurface(_THIS, SDL_Surface *surface)
slouken@167
   792
{
slouken@167
   793
  DFBResult             ret;
slouken@167
   794
  DFBSurfaceDescription dsc;
slouken@167
   795
slouken@167
   796
  /*  fprintf(stderr, "SDL: DirectFB_AllocHWSurface (%dx%d@%d, flags: 0x%08x)\n",
slouken@167
   797
      surface->w, surface->h, surface->format->BitsPerPixel, surface->flags);*/
slouken@167
   798
slouken@167
   799
  if (surface->w < 8 || surface->h < 8)
slouken@167
   800
    return -1;
slouken@167
   801
slouken@167
   802
  /* fill surface description */
slouken@167
   803
  dsc.flags  = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
slouken@167
   804
  dsc.width  = surface->w;
slouken@167
   805
  dsc.height = surface->h;
slouken@464
   806
  dsc.caps   = (surface->flags & SDL_DOUBLEBUF) ? DSCAPS_FLIPPING : 0;
slouken@167
   807
slouken@167
   808
  /* find the right pixelformat */
slouken@167
   809
  dsc.pixelformat = SDLToDFBPixelFormat (surface->format);
slouken@167
   810
  if (dsc.pixelformat == DSPF_UNKNOWN)
slouken@167
   811
    return -1;
slouken@167
   812
slouken@167
   813
  /* Allocate the hardware acceleration data */
slouken@464
   814
  surface->hwdata = (struct private_hwdata *) calloc (1, sizeof(*surface->hwdata));
slouken@167
   815
  if (surface->hwdata == NULL)
slouken@167
   816
    {
slouken@167
   817
      SDL_OutOfMemory();
slouken@167
   818
      return -1;
slouken@167
   819
    }
slouken@167
   820
slouken@167
   821
  /* Create the surface */
slouken@167
   822
  ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface->hwdata->surface);
slouken@167
   823
  if (ret)
slouken@167
   824
    {
slouken@167
   825
      SetDirectFBerror ("dfb->CreateSurface", ret);
slouken@167
   826
      free (surface->hwdata);
slouken@167
   827
      surface->hwdata = NULL;
slouken@167
   828
      return -1;
slouken@167
   829
    }
slouken@167
   830
slouken@167
   831
  surface->flags |= SDL_HWSURFACE | SDL_PREALLOC;
slouken@167
   832
slouken@167
   833
  return 0;
slouken@167
   834
}
slouken@167
   835
slouken@167
   836
static void DirectFB_FreeHWSurface(_THIS, SDL_Surface *surface)
slouken@167
   837
{
slouken@167
   838
  if (surface->hwdata && HIDDEN->initialized)
slouken@167
   839
    {
slouken@167
   840
      surface->hwdata->surface->Release (surface->hwdata->surface);
slouken@167
   841
      free (surface->hwdata);
slouken@167
   842
      surface->hwdata = NULL;
slouken@167
   843
    }
slouken@167
   844
}
slouken@167
   845
slouken@167
   846
static int DirectFB_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst)
slouken@167
   847
{
slouken@167
   848
  /*  fprintf(stderr, "SDL: DirectFB_CheckHWBlit (src->hwdata: %p, dst->hwdata: %p)\n",
slouken@167
   849
      src->hwdata, dst->hwdata);*/
slouken@167
   850
slouken@167
   851
  if (!src->hwdata || !dst->hwdata)
slouken@167
   852
    return 0;
slouken@167
   853
slouken@167
   854
  src->flags |= SDL_HWACCEL;
slouken@167
   855
  src->map->hw_blit = DirectFB_HWAccelBlit;
slouken@167
   856
slouken@167
   857
  return 1;
slouken@167
   858
}
slouken@167
   859
slouken@167
   860
static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
slouken@167
   861
                                SDL_Surface *dst, SDL_Rect *dstrect)
slouken@167
   862
{
slouken@464
   863
  DFBSurfaceBlittingFlags flags = DSBLIT_NOFX;
slouken@167
   864
slouken@464
   865
  DFBRectangle sr = { srcrect->x, srcrect->y, srcrect->w, srcrect->h };
slouken@464
   866
  DFBRectangle dr = { dstrect->x, dstrect->y, dstrect->w, dstrect->h };
slouken@167
   867
slouken@464
   868
  IDirectFBSurface *surface = dst->hwdata->surface;
slouken@167
   869
slouken@167
   870
  if (src->flags & SDL_SRCCOLORKEY)
slouken@167
   871
    {
slouken@167
   872
      flags |= DSBLIT_SRC_COLORKEY;
slouken@219
   873
      DirectFB_SetHWColorKey (NULL, src, src->format->colorkey);
slouken@167
   874
    }
slouken@167
   875
slouken@167
   876
  if (src->flags & SDL_SRCALPHA)
slouken@167
   877
    {
slouken@167
   878
      flags |= DSBLIT_BLEND_COLORALPHA;
slouken@167
   879
      surface->SetColor (surface, 0xff, 0xff, 0xff, src->format->alpha);
slouken@167
   880
    }
slouken@167
   881
slouken@167
   882
  surface->SetBlittingFlags (surface, flags);
slouken@167
   883
slouken@167
   884
  if (sr.w == dr.w && sr.h == dr.h)
slouken@167
   885
    surface->Blit (surface, src->hwdata->surface, &sr, dr.x, dr.y);
slouken@167
   886
  else
slouken@167
   887
    surface->StretchBlit (surface, src->hwdata->surface, &sr, &dr);
slouken@167
   888
slouken@167
   889
  return 0;
slouken@167
   890
}
slouken@167
   891
slouken@167
   892
static int DirectFB_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color)
slouken@167
   893
{
slouken@167
   894
  SDL_PixelFormat  *fmt     = dst->format;
slouken@167
   895
  IDirectFBSurface *surface = dst->hwdata->surface;
slouken@167
   896
slouken@167
   897
  /* ugly */
slouken@167
   898
  surface->SetColor (surface,
slouken@167
   899
                     (color & fmt->Rmask) >> (fmt->Rshift - fmt->Rloss),
slouken@167
   900
                     (color & fmt->Gmask) >> (fmt->Gshift - fmt->Gloss),
slouken@167
   901
                     (color & fmt->Bmask) << (fmt->Bloss - fmt->Bshift), 0xFF);
slouken@167
   902
  surface->FillRectangle (surface, dstrect->x, dstrect->y, dstrect->w, dstrect->h);
slouken@167
   903
slouken@167
   904
  return 0;
slouken@167
   905
}
slouken@167
   906
slouken@219
   907
static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *src, Uint32 key)
slouken@167
   908
{
slouken@219
   909
  SDL_PixelFormat  *fmt     = src->format;
slouken@219
   910
  IDirectFBSurface *surface = src->hwdata->surface;
slouken@219
   911
slouken@477
   912
  if (fmt->BitsPerPixel == 8)
slouken@477
   913
    surface->SetSrcColorKeyIndex (surface, key);
slouken@477
   914
  else
slouken@477
   915
    /* ugly */
slouken@477
   916
    surface->SetSrcColorKey (surface,
slouken@477
   917
                             (key & fmt->Rmask) >> (fmt->Rshift - fmt->Rloss),
slouken@477
   918
                             (key & fmt->Gmask) >> (fmt->Gshift - fmt->Gloss),
slouken@477
   919
                             (key & fmt->Bmask) << (fmt->Bloss - fmt->Bshift));
slouken@219
   920
slouken@167
   921
  return 0;
slouken@167
   922
}
slouken@167
   923
slouken@167
   924
static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha)
slouken@167
   925
{
slouken@167
   926
  return 0;
slouken@167
   927
}
slouken@167
   928
slouken@167
   929
static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface)
slouken@167
   930
{
icculus@728
   931
  if (HIDDEN->enable_mga_crtc2)
icculus@728
   932
    {
icculus@728
   933
       int rtn = surface->hwdata->surface->Flip (surface->hwdata->surface, NULL, 0);
icculus@728
   934
       if (HIDDEN->mga_crtc2_stretch)
icculus@728
   935
         HIDDEN->c2frame->StretchBlit(HIDDEN->c2frame, surface->hwdata->surface, &HIDDEN->c2ssize, &HIDDEN->c2dsize);
icculus@728
   936
       else
icculus@728
   937
         HIDDEN->c2frame->Blit(HIDDEN->c2frame, surface->hwdata->surface, NULL, HIDDEN->c2dsize.x, HIDDEN->c2dsize.y);
icculus@728
   938
     
icculus@728
   939
       HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, DSFLIP_WAITFORSYNC);
icculus@728
   940
       return rtn;
icculus@728
   941
    } 
icculus@728
   942
  else 
icculus@728
   943
     return surface->hwdata->surface->Flip (surface->hwdata->surface, NULL, DSFLIP_WAITFORSYNC);
slouken@167
   944
}
slouken@167
   945
slouken@167
   946
static int DirectFB_LockHWSurface(_THIS, SDL_Surface *surface)
slouken@167
   947
{
slouken@167
   948
  DFBResult  ret;
slouken@167
   949
  void      *data;
slouken@167
   950
  int        pitch;
slouken@167
   951
slouken@167
   952
  ret = surface->hwdata->surface->Lock (surface->hwdata->surface,
slouken@167
   953
                                        DSLF_WRITE, &data, &pitch);
slouken@167
   954
  if (ret)
slouken@167
   955
    {
slouken@167
   956
      SetDirectFBerror ("surface->Lock", ret);
slouken@167
   957
      return -1;
slouken@167
   958
    }
slouken@167
   959
slouken@167
   960
  surface->pixels = data;
slouken@167
   961
  surface->pitch  = pitch;
slouken@167
   962
slouken@167
   963
  return 0;
slouken@167
   964
}
slouken@167
   965
slouken@167
   966
static void DirectFB_UnlockHWSurface(_THIS, SDL_Surface *surface)
slouken@167
   967
{
slouken@167
   968
  surface->hwdata->surface->Unlock (surface->hwdata->surface);
slouken@167
   969
  surface->pixels = NULL;
slouken@167
   970
}
slouken@167
   971
slouken@167
   972
static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
slouken@167
   973
{
icculus@728
   974
  if (HIDDEN->enable_mga_crtc2)
icculus@728
   975
    {
icculus@728
   976
       if (HIDDEN->mga_crtc2_stretch)
icculus@728
   977
         HIDDEN->c2frame->StretchBlit(HIDDEN->c2frame, this->screen->hwdata->surface, &HIDDEN->c2ssize, &HIDDEN->c2dsize); 
icculus@728
   978
       else
icculus@728
   979
         HIDDEN->c2frame->Blit(HIDDEN->c2frame, this->screen->hwdata->surface, NULL, HIDDEN->c2dsize.x, HIDDEN->c2dsize.y); 
icculus@728
   980
icculus@728
   981
       HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, DSFLIP_WAITFORSYNC);
icculus@728
   982
    }
slouken@167
   983
}
slouken@167
   984
slouken@167
   985
static void DirectFB_WindowedUpdate(_THIS, int numrects, SDL_Rect *rects)
slouken@167
   986
{
slouken@286
   987
  DFBRegion         region;
slouken@286
   988
  int               i;
slouken@286
   989
  int               region_valid = 0;
slouken@167
   990
  IDirectFBSurface *surface = this->screen->hwdata->surface;
slouken@167
   991
slouken@286
   992
  for (i=0; i<numrects; ++i)
slouken@167
   993
    {
slouken@167
   994
      int x2, y2;
slouken@167
   995
slouken@286
   996
      if ( ! rects[i].w ) /* Clipped? */
slouken@286
   997
        continue;
slouken@167
   998
slouken@286
   999
      x2 = rects[i].x + rects[i].w - 1;
slouken@286
  1000
      y2 = rects[i].y + rects[i].h - 1;
slouken@167
  1001
slouken@286
  1002
      if (region_valid)
slouken@286
  1003
        {
slouken@286
  1004
          if (rects[i].x < region.x1)
slouken@286
  1005
            region.x1 = rects[i].x;
slouken@167
  1006
slouken@286
  1007
          if (rects[i].y < region.y1)
slouken@286
  1008
            region.y1 = rects[i].y;
slouken@167
  1009
slouken@286
  1010
          if (x2 > region.x2)
slouken@286
  1011
            region.x2 = x2;
slouken@167
  1012
slouken@286
  1013
          if (y2 > region.y2)
slouken@286
  1014
            region.y2 = y2;
slouken@286
  1015
        }
slouken@286
  1016
      else
slouken@286
  1017
        {
slouken@286
  1018
            region.x1 = rects[i].x;
slouken@286
  1019
            region.y1 = rects[i].y;
slouken@286
  1020
            region.x2 = x2;
slouken@286
  1021
            region.y2 = y2;
slouken@286
  1022
slouken@286
  1023
            region_valid = 1;
slouken@286
  1024
        }
slouken@167
  1025
    }
slouken@167
  1026
slouken@286
  1027
  if (region_valid)
icculus@728
  1028
    {
icculus@728
  1029
      if (HIDDEN->enable_mga_crtc2)
icculus@728
  1030
        {
icculus@728
  1031
          if (HIDDEN->mga_crtc2_stretch)
icculus@728
  1032
            HIDDEN->c2frame->StretchBlit(HIDDEN->c2frame, surface, &HIDDEN->c2ssize, &HIDDEN->c2dsize);
icculus@728
  1033
          else
icculus@728
  1034
            HIDDEN->c2frame->Blit(HIDDEN->c2frame, surface, NULL, HIDDEN->c2dsize.x, HIDDEN->c2dsize.y); 
icculus@728
  1035
      
icculus@728
  1036
          HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, DSFLIP_WAITFORSYNC);
icculus@728
  1037
        }
icculus@728
  1038
      else 
icculus@728
  1039
        surface->Flip (surface, &region, DSFLIP_WAITFORSYNC);
icculus@728
  1040
    }
slouken@167
  1041
}
slouken@167
  1042
slouken@167
  1043
int DirectFB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
slouken@167
  1044
{
slouken@477
  1045
  IDirectFBPalette *palette = this->screen->hwdata->palette;
slouken@477
  1046
slouken@477
  1047
  if (!palette)
slouken@477
  1048
    return 0;
slouken@477
  1049
slouken@477
  1050
  if (firstcolor > 255)
slouken@477
  1051
    return 0;
slouken@477
  1052
slouken@477
  1053
  if (firstcolor + ncolors > 256)
slouken@477
  1054
    ncolors = 256 - firstcolor;
slouken@477
  1055
slouken@477
  1056
  if (ncolors > 0)
slouken@477
  1057
    {
slouken@477
  1058
      int      i;
slouken@477
  1059
      DFBColor entries[ncolors];
slouken@477
  1060
slouken@477
  1061
      for (i=0; i<ncolors; i++)
slouken@477
  1062
        {
slouken@477
  1063
          entries[i].a = 0xff;
slouken@477
  1064
          entries[i].r = colors[i].r;
slouken@477
  1065
          entries[i].g = colors[i].g;
slouken@477
  1066
          entries[i].b = colors[i].b;
slouken@477
  1067
        }
slouken@477
  1068
slouken@477
  1069
      palette->SetEntries (palette, entries, ncolors, firstcolor);
slouken@477
  1070
    }
slouken@477
  1071
slouken@477
  1072
  return 1;
slouken@167
  1073
}
slouken@167
  1074
	
slouken@167
  1075
void DirectFB_VideoQuit(_THIS)
slouken@167
  1076
{
slouken@477
  1077
  struct DirectFBEnumRect *rect    = enumlist;
slouken@477
  1078
icculus@759
  1079
  if (this->screen->hwdata)
icculus@759
  1080
    {
icculus@759
  1081
      IDirectFBSurface        *surface = this->screen->hwdata->surface;
icculus@759
  1082
      IDirectFBPalette        *palette = this->screen->hwdata->palette;
slouken@477
  1083
icculus@759
  1084
      if (palette)
icculus@759
  1085
        palette->Release (palette);
icculus@759
  1086
icculus@759
  1087
      if (surface)
icculus@759
  1088
        surface->Release (surface);
icculus@759
  1089
icculus@759
  1090
      this->screen->hwdata->surface = NULL;
icculus@759
  1091
      this->screen->hwdata->palette = NULL;
icculus@759
  1092
    }
slouken@477
  1093
icculus@728
  1094
  if (HIDDEN->c2frame)
icculus@728
  1095
    {
icculus@728
  1096
      HIDDEN->c2frame->Release (HIDDEN->c2frame);
icculus@728
  1097
      HIDDEN->c2frame = NULL;
icculus@728
  1098
    }
icculus@728
  1099
slouken@477
  1100
  this->screen->hwdata->surface = NULL;
slouken@477
  1101
  this->screen->hwdata->palette = NULL;
slouken@167
  1102
slouken@464
  1103
  if (HIDDEN->eventbuffer)
slouken@464
  1104
    {
slouken@464
  1105
      HIDDEN->eventbuffer->Release (HIDDEN->eventbuffer);
slouken@464
  1106
      HIDDEN->eventbuffer = NULL;
slouken@464
  1107
    }
slouken@167
  1108
icculus@728
  1109
  if (HIDDEN->c2layer)
icculus@728
  1110
    {
icculus@728
  1111
      HIDDEN->c2layer->Release (HIDDEN->c2layer);
icculus@728
  1112
      HIDDEN->c2layer = NULL;
icculus@728
  1113
    }
icculus@728
  1114
slouken@464
  1115
  if (HIDDEN->layer)
slouken@167
  1116
    {
slouken@464
  1117
      HIDDEN->layer->Release (HIDDEN->layer);
slouken@464
  1118
      HIDDEN->layer = NULL;
slouken@167
  1119
    }
slouken@167
  1120
slouken@464
  1121
  if (HIDDEN->dfb)
slouken@464
  1122
    {
slouken@464
  1123
      HIDDEN->dfb->Release (HIDDEN->dfb);
slouken@464
  1124
      HIDDEN->dfb = NULL;
slouken@464
  1125
    }
slouken@464
  1126
slouken@464
  1127
  /* Free video mode list */
slouken@464
  1128
  if (HIDDEN->modelist)
slouken@464
  1129
    {
slouken@464
  1130
      free (HIDDEN->modelist);
slouken@464
  1131
      HIDDEN->modelist = NULL;
slouken@464
  1132
    }
slouken@464
  1133
slouken@464
  1134
  /* Free mode enumeration list */
slouken@464
  1135
  while (rect)
slouken@464
  1136
    {
slouken@464
  1137
      struct DirectFBEnumRect *next = rect->next;
slouken@464
  1138
      free (rect);
slouken@464
  1139
      rect = next;
slouken@464
  1140
    }
slouken@464
  1141
  enumlist = NULL;
slouken@464
  1142
slouken@167
  1143
  HIDDEN->initialized = 0;
slouken@167
  1144
}
slouken@167
  1145
slouken@167
  1146
void DirectFB_FinalQuit(void) 
slouken@167
  1147
{
slouken@167
  1148
}