annotate src/video/xbios/SDL_xbios.h @ 3168:6338b7f2d024

Hi, I have prepared a set of patches to readd WindowsCE support to SDL 1.3. I've created a new GAPI/Rawframebuffer and a DirectDraw renderer. Both renderers are work in progress and there are several unimplemented cases. (Notably RenderLine/RenderPoint/RenderFill/QueryTexturePixels/UpdateTexture and texture blending ) Nevertheless I am successfully using these renderers together with the SDL software renderer. (On most devices the SDL software renderer will be much faster as there are only badly optimized vendor drivers available) I send these patches now in this unpolished state because there seems to be some interest in win ce and someone has to start supporting SDL 1.3 Now on to the patches: wince_events_window_fixes.patch fixes some wince incompatibilities and adds fullscreen support via SHFullScreen. NOTE: This patch shouldn't have any side effects on Windows, but I have NOT tested it on Windows, so please double-check. This patch doesn't dependent on the following ones. wince_renderers_system.patch This patch does all necessary modifications to the SDL system. - it adds the renderers to the configure system - it adds the renderers to win32video SDL_ceddrawrender.c SDL_ceddrawrender.h SDL_gapirender_c.h SDL_gapirender.c SDL_gapirender.h these files add the new render drivers and should be placed in src/video/win32 Some notes to people who want to test this: - I have only compiled sdl with ming32ce, so the VisualC files are not up to date - As mingw32ce has no ddraw.h this file must be taken from the MS SDK and modified to work with gcc - I had to modify line 2611 in configure.in to EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl -lmmtimer -Wl,--image-base -Wl,0x10000" otherwise GetCPinfo wouldn't link. If someone knows whats causing this I'd be happy to hear about it. It would be great if these patches could make their way into SVN as this would make collaboration much much easier. I'm out of office for the next week and therefore will be unavailable via email. Regards Stefan
author Sam Lantinga <slouken@libsdl.org>
date Sun, 07 Jun 2009 02:44:46 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 #ifndef _SDL_xbios_h
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25 #define _SDL_xbios_h
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26
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27 #include "SDL_stdinc.h"
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28 #include "../SDL_sysvideo.h"
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29
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30 typedef struct SDL_VideoData
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31 {
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32 long cookie_vdo; /* _VDO cookie */
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33
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34 Uint16 old_modecode; /* Current video mode */
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35 void *old_vbase; /* Current pointer to video RAM */
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36 int old_numcol; /* Number of colors in saved palette */
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37 Uint32 old_palette[256]; /* Buffer to save current palette */
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38
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39 #if 0
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40 int old_video_mode; /* Old video mode before entering SDL */
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41 void *old_video_base; /* Old pointer to screen buffer */
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42 void *old_palette; /* Old palette */
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43 Uint32 old_num_colors; /* Nb of colors in saved palette */
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44 int num_modes; /* Number of xbios video modes */
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45 xbiosmode_t *mode_list; /* List of xbios video modes */
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46
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47 void *screens[2]; /* Pointers to aligned screen buffer */
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48 void *screensmem[2]; /* Pointers to screen buffer */
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49 void *shadowscreen; /* Shadow screen for c2p conversion */
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50 int doubleline; /* Double line mode ? */
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51 int frame_number; /* Number of frame for double buffer */
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52 int pitch; /* Destination line width for C2P */
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53 int width, height; /* Screen size for centered C2P */
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54
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55 SDL_bool centscreen; /* Centscreen extension present ? */
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56
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57 SDL_Rect *SDL_modelist[NUM_MODELISTS][SDL_NUMMODES + 1];
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58 xbiosmode_t *videomodes[NUM_MODELISTS][SDL_NUMMODES + 1];
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59 #endif
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60 } SDL_VideoData;
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62 /* _VDO cookie values */
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63 enum
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64 {
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65 VDO_ST = 0,
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66 VDO_STE,
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67 VDO_TT,
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68 VDO_F30
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69 };
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71 /* Monitor types */
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72 enum
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73 {
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74 MONITOR_MONO = 0,
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75 MONITOR_TV,
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76 MONITOR_VGA,
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77 MONITOR_RGB
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78 };
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80 /* EgetShift masks */
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81 #define ES_BANK 0x000f
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82 #define ES_MODE 0x0700
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83 #define ES_GRAY 0x1000
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84 #define ES_SMEAR 0x8000
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85
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86 /* TT shifter modes */
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87 #define ST_LOW 0x0000
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88 #define ST_MED 0x0100
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89 #define ST_HIGH 0x0200
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90 #define TT_LOW 0x0700
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91 #define TT_MED 0x0300
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92 #define TT_HIGH 0x0600
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93
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94 #endif /* _SDL_xbios_h */
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95 /* vi: set ts=4 sw=4 expandtab: */