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annotate src/loadso/beos/SDL_loadso.c @ 1257:448a9a64537b

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[PATCH] SDL_GetVideoMode() does not find best mode, part 2 Following commit 1.51, I come accross a problem when SDL must choose between several video modes that could suit the one asked. If I ask 320x240 with this list: 768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200 The smallest selectables modes are 384x240 and 320x400. And SDL choose the later in this list, but 384x240 is more suitable. So I added a check to compare the pixel count (surface) of modes, and select the one which has the smallest pixel count. In my example, 384x240 has 92160 pixels, and 320x400 has 128000 pixels. So now SDL will choose 384x240 for the asked 320x240 mode.
author Patrice Mandin <patmandin@gmail.com>
date Thu, 19 Jan 2006 21:28:52 +0000
parents e9cf8c1b4590
children c9b51268668f
rev   line source
1173
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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29 /* System dependent library loading routines */
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30
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31 #if !SDL_INTERNAL_BUILDING_LOADSO
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32 #error Do not compile directly...compile src/SDL_loadso.c instead!
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33 #endif
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34
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35 #if !defined(__BEOS__)
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36 #error Compiling for the wrong platform?
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37 #endif
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38
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39 #include <stdio.h>
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40 #include <be/kernel/image.h>
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41
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42 #include "SDL_types.h"
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43 #include "SDL_error.h"
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44 #include "SDL_loadso.h"
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45
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46 void *SDL_LoadObject(const char *sofile)
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47 {
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48 void *handle = NULL;
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49 const char *loaderror = "Unknown error";
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50 image_id library_id = load_add_on(sofile);
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51 if ( library_id == B_ERROR ) {
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52 loaderror = "BeOS error";
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53 } else {
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54 handle = (void *)(library_id);
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55 }
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56
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57 if ( handle == NULL ) {
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58 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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59 }
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60 return(handle);
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61 }
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62
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63 void *SDL_LoadFunction(void *handle, const char *name)
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64 {
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65 void *symbol = NULL;
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66 const char *loaderror = "Unknown error";
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67 image_id library_id = (image_id)handle;
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68 if ( get_image_symbol(library_id,
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69 name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR ) {
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70 loaderror = "Symbol not found";
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71 }
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72
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73 if ( symbol == NULL ) {
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74 SDL_SetError("Failed loading %s: %s", name, loaderror);
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75 }
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76 return(symbol);
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77 }
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78
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79 void SDL_UnloadObject(void *handle)
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80 {
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81 image_id library_id;
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82 if ( handle != NULL ) {
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83 library_id = (image_id)handle;
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84 unload_add_on(library_id);
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85 }
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86 }
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87