src/video/photon/SDL_ph_modes.c
branchSDL-1.3
changeset 1668 4da1ee79c9af
parent 1662 782fd950bd46
equal deleted inserted replaced
1667:1fddae038bc8 1668:4da1ee79c9af
    29 /* The current list of available video modes */
    29 /* The current list of available video modes */
    30 SDL_Rect SDL_modelist[PH_MAX_VIDEOMODES];
    30 SDL_Rect SDL_modelist[PH_MAX_VIDEOMODES];
    31 SDL_Rect *SDL_modearray[PH_MAX_VIDEOMODES];
    31 SDL_Rect *SDL_modearray[PH_MAX_VIDEOMODES];
    32 
    32 
    33 static int
    33 static int
    34 compare_modes_by_res (const void *mode1, const void *mode2)
    34 compare_modes_by_res(const void *mode1, const void *mode2)
    35 {
    35 {
    36     PgVideoModeInfo_t mode1_info;
    36     PgVideoModeInfo_t mode1_info;
    37     PgVideoModeInfo_t mode2_info;
    37     PgVideoModeInfo_t mode2_info;
    38 
    38 
    39     if (PgGetVideoModeInfo (*(unsigned short *) mode1, &mode1_info) < 0) {
    39     if (PgGetVideoModeInfo(*(unsigned short *) mode1, &mode1_info) < 0) {
    40         return 0;
    40         return 0;
    41     }
    41     }
    42 
    42 
    43     if (PgGetVideoModeInfo (*(unsigned short *) mode2, &mode2_info) < 0) {
    43     if (PgGetVideoModeInfo(*(unsigned short *) mode2, &mode2_info) < 0) {
    44         return 0;
    44         return 0;
    45     }
    45     }
    46 
    46 
    47     if (mode1_info.width == mode2_info.width) {
    47     if (mode1_info.width == mode2_info.width) {
    48         return mode2_info.height - mode1_info.height;
    48         return mode2_info.height - mode1_info.height;
    50         return mode2_info.width - mode1_info.width;
    50         return mode2_info.width - mode1_info.width;
    51     }
    51     }
    52 }
    52 }
    53 
    53 
    54 SDL_Rect **
    54 SDL_Rect **
    55 ph_ListModes (_THIS, SDL_PixelFormat * format, Uint32 flags)
    55 ph_ListModes(_THIS, SDL_PixelFormat * format, Uint32 flags)
    56 {
    56 {
    57     int i = 0;
    57     int i = 0;
    58     int j = 0;
    58     int j = 0;
    59     SDL_Rect Amodelist[PH_MAX_VIDEOMODES];
    59     SDL_Rect Amodelist[PH_MAX_VIDEOMODES];
    60 
    60 
    61     for (i = 0; i < PH_MAX_VIDEOMODES; i++) {
    61     for (i = 0; i < PH_MAX_VIDEOMODES; i++) {
    62         SDL_modearray[i] = &SDL_modelist[i];
    62         SDL_modearray[i] = &SDL_modelist[i];
    63     }
    63     }
    64 
    64 
    65     if (PgGetVideoModeList (&mode_list) < 0) {
    65     if (PgGetVideoModeList(&mode_list) < 0) {
    66         SDL_SetError
    66         SDL_SetError
    67             ("ph_ListModes(): PgGetVideoModeList() function failed !\n");
    67             ("ph_ListModes(): PgGetVideoModeList() function failed !\n");
    68         return NULL;
    68         return NULL;
    69     }
    69     }
    70 
    70 
    71     mode_info.bits_per_pixel = 0;
    71     mode_info.bits_per_pixel = 0;
    72 
    72 
    73     for (i = 0; i < mode_list.num_modes; i++) {
    73     for (i = 0; i < mode_list.num_modes; i++) {
    74         if (PgGetVideoModeInfo (mode_list.modes[i], &mode_info) < 0) {
    74         if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) {
    75             SDL_SetError
    75             SDL_SetError
    76                 ("ph_ListModes(): PgGetVideoModeInfo() function failed on mode: 0x%X.\n",
    76                 ("ph_ListModes(): PgGetVideoModeInfo() function failed on mode: 0x%X.\n",
    77                  mode_list.modes[i]);
    77                  mode_list.modes[i]);
    78             return NULL;
    78             return NULL;
    79         }
    79         }
    98 
    98 
    99     return SDL_modearray;
    99     return SDL_modearray;
   100 }
   100 }
   101 
   101 
   102 void
   102 void
   103 ph_FreeVideoModes (_THIS)
   103 ph_FreeVideoModes(_THIS)
   104 {
   104 {
   105     return;
   105     return;
   106 }
   106 }
   107 
   107 
   108 /* return the mode associated with width, height and bpp */
   108 /* return the mode associated with width, height and bpp */
   109 /* if there is no mode then zero is returned             */
   109 /* if there is no mode then zero is returned             */
   110 int
   110 int
   111 ph_GetVideoMode (int width, int height, int bpp)
   111 ph_GetVideoMode(int width, int height, int bpp)
   112 {
   112 {
   113     int i;
   113     int i;
   114     int modestage = 0;
   114     int modestage = 0;
   115     int closestmode = 0;
   115     int closestmode = 0;
   116 
   116 
   117     if (PgGetVideoModeList (&mode_list) < 0) {
   117     if (PgGetVideoModeList(&mode_list) < 0) {
   118         return -1;
   118         return -1;
   119     }
   119     }
   120 
   120 
   121     /* special case for the double-sized 320x200 mode */
   121     /* special case for the double-sized 320x200 mode */
   122     if ((width == 640) && (height == 400)) {
   122     if ((width == 640) && (height == 400)) {
   123         modestage = 1;
   123         modestage = 1;
   124     }
   124     }
   125 
   125 
   126     /* search list for exact match */
   126     /* search list for exact match */
   127     for (i = 0; i < mode_list.num_modes; i++) {
   127     for (i = 0; i < mode_list.num_modes; i++) {
   128         if (PgGetVideoModeInfo (mode_list.modes[i], &mode_info) < 0) {
   128         if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) {
   129             return 0;
   129             return 0;
   130         }
   130         }
   131 
   131 
   132         if ((mode_info.width == width) && (mode_info.height == height) &&
   132         if ((mode_info.width == width) && (mode_info.height == height) &&
   133             (mode_info.bits_per_pixel == bpp)) {
   133             (mode_info.bits_per_pixel == bpp)) {
   151 }
   151 }
   152 
   152 
   153 /* return the mode associated with width, height and bpp               */
   153 /* return the mode associated with width, height and bpp               */
   154 /* if requested bpp is not found the mode with closest bpp is returned */
   154 /* if requested bpp is not found the mode with closest bpp is returned */
   155 int
   155 int
   156 get_mode_any_format (int width, int height, int bpp)
   156 get_mode_any_format(int width, int height, int bpp)
   157 {
   157 {
   158     int i, closest, delta, min_delta;
   158     int i, closest, delta, min_delta;
   159 
   159 
   160     if (PgGetVideoModeList (&mode_list) < 0) {
   160     if (PgGetVideoModeList(&mode_list) < 0) {
   161         return -1;
   161         return -1;
   162     }
   162     }
   163 
   163 
   164     SDL_qsort (mode_list.modes, mode_list.num_modes, sizeof (unsigned short),
   164     SDL_qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short),
   165                compare_modes_by_res);
   165               compare_modes_by_res);
   166 
   166 
   167     for (i = 0; i < mode_list.num_modes; i++) {
   167     for (i = 0; i < mode_list.num_modes; i++) {
   168         if (PgGetVideoModeInfo (mode_list.modes[i], &mode_info) < 0) {
   168         if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) {
   169             return 0;
   169             return 0;
   170         }
   170         }
   171         if ((mode_info.width == width) && (mode_info.height == height)) {
   171         if ((mode_info.width == width) && (mode_info.height == height)) {
   172             break;
   172             break;
   173         }
   173         }
   178         closest = i++;
   178         closest = i++;
   179         if (mode_info.bits_per_pixel == bpp) {
   179         if (mode_info.bits_per_pixel == bpp) {
   180             return mode_list.modes[closest];
   180             return mode_list.modes[closest];
   181         }
   181         }
   182 
   182 
   183         min_delta = abs (mode_info.bits_per_pixel - bpp);
   183         min_delta = abs(mode_info.bits_per_pixel - bpp);
   184 
   184 
   185         while (1) {
   185         while (1) {
   186             if (PgGetVideoModeInfo (mode_list.modes[i], &mode_info) < 0) {
   186             if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) {
   187                 return 0;
   187                 return 0;
   188             }
   188             }
   189 
   189 
   190             if ((mode_info.width != width)
   190             if ((mode_info.width != width)
   191                 || (mode_info.height != height)) {
   191                 || (mode_info.height != height)) {
   193             } else {
   193             } else {
   194                 if (mode_info.bits_per_pixel == bpp) {
   194                 if (mode_info.bits_per_pixel == bpp) {
   195                     closest = i;
   195                     closest = i;
   196                     break;
   196                     break;
   197                 } else {
   197                 } else {
   198                     delta = abs (mode_info.bits_per_pixel - bpp);
   198                     delta = abs(mode_info.bits_per_pixel - bpp);
   199                     if (delta < min_delta) {
   199                     if (delta < min_delta) {
   200                         closest = i;
   200                         closest = i;
   201                         min_delta = delta;
   201                         min_delta = delta;
   202                     }
   202                     }
   203                     i++;
   203                     i++;
   209 
   209 
   210     return 0;
   210     return 0;
   211 }
   211 }
   212 
   212 
   213 int
   213 int
   214 ph_ToggleFullScreen (_THIS, int on)
   214 ph_ToggleFullScreen(_THIS, int on)
   215 {
   215 {
   216     return -1;
   216     return -1;
   217 }
   217 }
   218 
   218 
   219 int
   219 int
   220 ph_EnterFullScreen (_THIS, SDL_Surface * screen, int fmode)
   220 ph_EnterFullScreen(_THIS, SDL_Surface * screen, int fmode)
   221 {
   221 {
   222     PgDisplaySettings_t settings;
   222     PgDisplaySettings_t settings;
   223     int mode;
   223     int mode;
   224     char *refreshrate;
   224     char *refreshrate;
   225     int refreshratenum;
   225     int refreshratenum;
   226 
   226 
   227     if (!currently_fullscreen) {
   227     if (!currently_fullscreen) {
   228         /* Get the video mode and set it */
   228         /* Get the video mode and set it */
   229         if (screen->flags & SDL_ANYFORMAT) {
   229         if (screen->flags & SDL_ANYFORMAT) {
   230             if ((mode =
   230             if ((mode =
   231                  get_mode_any_format (screen->w, screen->h,
   231                  get_mode_any_format(screen->w, screen->h,
   232                                       screen->format->BitsPerPixel)) == 0) {
   232                                      screen->format->BitsPerPixel)) == 0) {
   233                 SDL_SetError
   233                 SDL_SetError
   234                     ("ph_EnterFullScreen(): can't find appropriate video mode !\n");
   234                     ("ph_EnterFullScreen(): can't find appropriate video mode !\n");
   235                 return 0;
   235                 return 0;
   236             }
   236             }
   237         } else {
   237         } else {
   238             if ((mode =
   238             if ((mode =
   239                  ph_GetVideoMode (screen->w, screen->h,
   239                  ph_GetVideoMode(screen->w, screen->h,
   240                                   screen->format->BitsPerPixel)) == 0) {
   240                                  screen->format->BitsPerPixel)) == 0) {
   241                 SDL_SetError
   241                 SDL_SetError
   242                     ("ph_EnterFullScreen(): can't find appropriate video mode !\n");
   242                     ("ph_EnterFullScreen(): can't find appropriate video mode !\n");
   243                 return 0;
   243                 return 0;
   244             }
   244             }
   245             if (PgGetVideoModeInfo (mode, &mode_info) < 0) {
   245             if (PgGetVideoModeInfo(mode, &mode_info) < 0) {
   246                 SDL_SetError
   246                 SDL_SetError
   247                     ("ph_EnterFullScreen(): can't get video mode capabilities !\n");
   247                     ("ph_EnterFullScreen(): can't get video mode capabilities !\n");
   248                 return 0;
   248                 return 0;
   249             }
   249             }
   250             if (mode_info.height != screen->h) {
   250             if (mode_info.height != screen->h) {
   255                 videomode_emulatemode = 0;
   255                 videomode_emulatemode = 0;
   256             }
   256             }
   257         }
   257         }
   258 
   258 
   259         /* save old video mode caps */
   259         /* save old video mode caps */
   260         PgGetVideoMode (&settings);
   260         PgGetVideoMode(&settings);
   261         old_video_mode = settings.mode;
   261         old_video_mode = settings.mode;
   262         old_refresh_rate = settings.refresh;
   262         old_refresh_rate = settings.refresh;
   263 
   263 
   264         /* setup new video mode */
   264         /* setup new video mode */
   265         settings.mode = mode;
   265         settings.mode = mode;
   266         settings.refresh = 0;
   266         settings.refresh = 0;
   267         settings.flags = 0;
   267         settings.flags = 0;
   268 
   268 
   269         refreshrate = SDL_getenv ("SDL_PHOTON_FULLSCREEN_REFRESH");
   269         refreshrate = SDL_getenv("SDL_PHOTON_FULLSCREEN_REFRESH");
   270         if (refreshrate != NULL) {
   270         if (refreshrate != NULL) {
   271             if (SDL_sscanf (refreshrate, "%d", &refreshratenum) == 1) {
   271             if (SDL_sscanf(refreshrate, "%d", &refreshratenum) == 1) {
   272                 settings.refresh = refreshratenum;
   272                 settings.refresh = refreshratenum;
   273             }
   273             }
   274         }
   274         }
   275 
   275 
   276         if (PgSetVideoMode (&settings) < 0) {
   276         if (PgSetVideoMode(&settings) < 0) {
   277             SDL_SetError
   277             SDL_SetError
   278                 ("ph_EnterFullScreen(): PgSetVideoMode() call failed !\n");
   278                 ("ph_EnterFullScreen(): PgSetVideoMode() call failed !\n");
   279             return 0;
   279             return 0;
   280         }
   280         }
   281 
   281 
   288         }
   288         }
   289 
   289 
   290         if (fmode == 0) {
   290         if (fmode == 0) {
   291             if (OCImage.direct_context == NULL) {
   291             if (OCImage.direct_context == NULL) {
   292                 OCImage.direct_context =
   292                 OCImage.direct_context =
   293                     (PdDirectContext_t *) PdCreateDirectContext ();
   293                     (PdDirectContext_t *) PdCreateDirectContext();
   294                 if (!OCImage.direct_context) {
   294                 if (!OCImage.direct_context) {
   295                     SDL_SetError
   295                     SDL_SetError
   296                         ("ph_EnterFullScreen(): Can't create direct context !\n");
   296                         ("ph_EnterFullScreen(): Can't create direct context !\n");
   297                     ph_LeaveFullScreen (this);
   297                     ph_LeaveFullScreen(this);
   298                     return 0;
   298                     return 0;
   299                 }
   299                 }
   300             }
   300             }
   301             OCImage.oldDC = PdDirectStart (OCImage.direct_context);
   301             OCImage.oldDC = PdDirectStart(OCImage.direct_context);
   302         }
   302         }
   303 
   303 
   304         currently_fullscreen = 1;
   304         currently_fullscreen = 1;
   305     }
   305     }
   306     PgFlush ();
   306     PgFlush();
   307 
   307 
   308     return 1;
   308     return 1;
   309 }
   309 }
   310 
   310 
   311 int
   311 int
   312 ph_LeaveFullScreen (_THIS)
   312 ph_LeaveFullScreen(_THIS)
   313 {
   313 {
   314     PgDisplaySettings_t oldmode_settings;
   314     PgDisplaySettings_t oldmode_settings;
   315 
   315 
   316     if (currently_fullscreen) {
   316     if (currently_fullscreen) {
   317         if ((this->screen) && (this->screen->flags & SDL_INTERNALOPENGL)) {
   317         if ((this->screen) && (this->screen->flags & SDL_INTERNALOPENGL)) {
   321         }
   321         }
   322 
   322 
   323         /* release routines starts here */
   323         /* release routines starts here */
   324         {
   324         {
   325             if (OCImage.direct_context) {
   325             if (OCImage.direct_context) {
   326                 PdDirectStop (OCImage.direct_context);
   326                 PdDirectStop(OCImage.direct_context);
   327                 PdReleaseDirectContext (OCImage.direct_context);
   327                 PdReleaseDirectContext(OCImage.direct_context);
   328                 OCImage.direct_context = NULL;
   328                 OCImage.direct_context = NULL;
   329             }
   329             }
   330             if (OCImage.oldDC) {
   330             if (OCImage.oldDC) {
   331                 PhDCSetCurrent (OCImage.oldDC);
   331                 PhDCSetCurrent(OCImage.oldDC);
   332                 OCImage.oldDC = NULL;
   332                 OCImage.oldDC = NULL;
   333             }
   333             }
   334 
   334 
   335             currently_fullscreen = 0;
   335             currently_fullscreen = 0;
   336 
   336 
   338             if (old_video_mode != -1) {
   338             if (old_video_mode != -1) {
   339                 oldmode_settings.mode = (unsigned short) old_video_mode;
   339                 oldmode_settings.mode = (unsigned short) old_video_mode;
   340                 oldmode_settings.refresh = (unsigned short) old_refresh_rate;
   340                 oldmode_settings.refresh = (unsigned short) old_refresh_rate;
   341                 oldmode_settings.flags = 0;
   341                 oldmode_settings.flags = 0;
   342 
   342 
   343                 if (PgSetVideoMode (&oldmode_settings) < 0) {
   343                 if (PgSetVideoMode(&oldmode_settings) < 0) {
   344                     SDL_SetError
   344                     SDL_SetError
   345                         ("Ph_LeaveFullScreen(): PgSetVideoMode() function failed !\n");
   345                         ("Ph_LeaveFullScreen(): PgSetVideoMode() function failed !\n");
   346                     return 0;
   346                     return 0;
   347                 }
   347                 }
   348             }
   348             }