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annotate src/video/xbios/SDL_xbios_sb3.c @ 1438:1f4f09641645

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Date: Sun, 26 Feb 2006 11:25:09 +0900 From: Hayashi Naoyuki Subject: Re: [SDL] CVS stable again, please update SDL ports Some problems are caused on Tru64 UNIX. If applying SDL12-osf1.path, these problems are fixed. 1. configure-script say "recursive mutexes... no" and "pthread semaphores... no". checking for pthreads... yes checking for recursive mutexes... no checking for pthread semaphores... no This is because it compiled without pthread_cflags and pthread_lib when checking recursive mutexes and pthread semaphores. 2. Compiling src/audio/mme/SDL_mmeaudio.c fails. cc: Severe: ./src/audio/mme/SDL_mmeaudio.c, line 25: Cannot find file <mme_api.h> specified in #include directive. (noinclfilef) #include <mme_api.h> -^ This is because BUILD_CFLAGS is wrong. 3. Compiling src/cdrom/osf/SDL_syscdrom.c fails. cc: Warning: ./src/cdrom/osf/SDL_syscdrom.c, line 176: Too few actual parameters in the invocation of the macro "SDL_stack_alloc". (toofewactuals) cdpath = SDL_stack_alloc(len); ------------------------------------^ cc: Error: ./src/cdrom/osf/SDL_syscdrom.c, line 176: Invalid expression. (badexpr) cdpath = SDL_stack_alloc(len); -----------------^ SDL_stack_alloc is defined in include/SDL_stdinc.h. #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*count) 4. Linking fails if running configure with --enable-x11-shared=yes. /usr/ccs/bin/ld: Warning: Unresolved: p_XData32 5. Compiling src/video/x11/SDL_x11dyn.c fails if running configure with --enable-x11-shared=no. cc: Error: ./src/video/x11/SDL_x11sym.h, line 149: In this statement, "_SmtBufferOverflow" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr)) ^ cc: Error: ./src/video/x11/SDL_x11sym.h, line 150: In this statement, "_SmtBufferOverflow" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr)) ^ cc: Error: ./src/video/x11/SDL_x11sym.h, line 150: In this statement, "_SmtIpError" is not declared. (undeclared) SDL_X11_SYM(1,void,_SmtIpError,(Display *dpy,register smtDisplayPtr, int)) ^
author Sam Lantinga <slouken@libsdl.org>
date Sun, 26 Feb 2006 04:54:01 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
rev   line source
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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 #include "SDL_config.h"
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23
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24 /*
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25 ScreenBlaster 3 functions
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26
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27 Patrice Mandin
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28 */
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29
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30 /*--- Includes ---*/
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31
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32 #include "SDL_stdinc.h"
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33 #include "SDL_xbios.h"
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34 #include "SDL_xbios_sb3.h"
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35
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36 /*--- Defines ---*/
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37
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38 const int SDL_XBIOS_scpn_planes_device[]={
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39 SCPN_DEV_1BPP,
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40 SCPN_DEV_4BPP,
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41 SCPN_DEV_8BPP,
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42 SCPN_DEV_16BPP,
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43 SCPN_DEV_2BPP,
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44 SCPN_DEV_4BPP,
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45 SCPN_DEV_1BPP
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46 };
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47
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48 /*--- Functions ---*/
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49
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50 int SDL_XBIOS_SB3Usable(scpn_cookie_t *cookie_scpn)
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51 {
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52 scpn_screeninfo_t *scrinfo;
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53 int bpp;
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54
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55 /* Check if current SB3 mode is usable, i.e. 8 or 16bpp */
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56 scrinfo = cookie_scpn->screen_info;
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57 bpp = 1<<(SDL_XBIOS_scpn_planes_device[scrinfo->device]);
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58
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59 if ((bpp==8) || (bpp==16)) {
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60 return 1;
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61 }
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62
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63 return 0;
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64 }
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65
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66 void SDL_XBIOS_SB3Init(_THIS, scpn_cookie_t *cookie_scpn)
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67 {
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68 scpn_screeninfo_t *scrinfo;
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69
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70 /* SB3 prevent changing video modes, we can only use current one */
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71 if (XBIOS_modelist) {
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72 SDL_free(XBIOS_modelist);
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73 XBIOS_nummodes = 0;
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74 XBIOS_modelist = NULL;
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75 }
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76
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77 scrinfo = cookie_scpn->screen_info;
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78 scrinfo->h_pos = scrinfo->v_pos = 0;
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79
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80 SDL_XBIOS_AddMode(this,
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81 -1,
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82 scrinfo->virtual_width, scrinfo->virtual_height,
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83 1<<(SDL_XBIOS_scpn_planes_device[scrinfo->device]),
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84 SDL_FALSE
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85 );
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86 }