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annotate src/video/xbios/SDL_xbios_centscreen.h @ 1643:51038e80ae59

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More general fix for bug #189 The clipping is done at a higher level, and the low level functions are passed clipped rectangles. Drivers which don't support source clipping have not been changed, so the image will be squished instead of clipped, but at least they will no longer crash when the destination rect was out of bounds.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 17 Apr 2006 06:47:23 +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 Centscreen extension definitions
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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 #ifndef _SDL_xbios_centscreen_h
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31 #define _SDL_xbios_centscreen_h
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32
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33 #include <mint/falcon.h> /* for trap_14_xxx macros */
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34
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35 #include "SDL_xbios.h"
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36
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37 /*--- Defines ---*/
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38
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39 #ifndef C_CNTS
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40 #define C_CNTS 0x434e5453L
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41 #endif
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42
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43 #define CSCREEN_ENERGYSTAR (1<<9)
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44 #define CSCREEN_SAVER (1<<10)
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45 #define CSCREEN_VIRTUAL (1<<11)
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46 #define CSCREEN_EXTCLOCK_CT2 (1<<12)
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47 #define CSCREEN_EXTCLOCK (1<<13)
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48 #define CSCREEN_STANDARD (1<<14)
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49 #define CSCREEN_DEFAULT (1<<15)
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50
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51 /*--- Structures ---*/
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52
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53 typedef struct {
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54 unsigned short handle; /* videomode handle */
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55 unsigned short mode; /* Falcon videomode code */
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56 unsigned short physx; /* visible width */
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57 unsigned short physy; /* visible height */
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58 unsigned short plan; /* bitplanes */
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59 unsigned short logx; /* virtual width */
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60 unsigned short logy; /* virtual height */
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61 unsigned short eco; /* screen saver delay */
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62 unsigned short eco2; /* energy star screen saver delay */
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63 unsigned short wsize; /* screen width (mm) */
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64 unsigned short hsize; /* screen height (mm) */
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65 unsigned short dummy[21];
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66 unsigned char name[32]; /* videomode name */
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67 } __attribute__((packed)) centscreen_mode_t;
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68
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69 /*--- Functions prototypes ---*/
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70
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71 #define Vread(current_mode) \
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72 (void)trap_14_wl((short)0x41,(long)(current_mode))
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73 #define Vwrite(init_vdi, inparam, outparam) \
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74 (long)trap_14_wwll((short)0x42,(short)(init_vdi),(long)(inparam),(long)(outparam))
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75 #define Vattrib(inparam, outparam) \
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76 (void)trap_14_wll((short)0x43,(long)(inparam),(long)(outparam))
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77 #define Vcreate(inparam, outparam) \
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78 (void)trap_14_wll((short)0x44,(long)(inparam),(long)(outparam))
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79 #define Vdelete(handle) \
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80 (long)trap_14_ww((short)0x45,(short)(handle))
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81 #define Vfirst(mask,mode) \
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82 (long)trap_14_wll((short)0x46,(long)(mask),(long)(mode))
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83 #define Vnext(mask,mode) \
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84 (long)trap_14_wll((short)0x47,(long)(mask),(long)(mode))
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85 #define Vvalid(handle) \
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86 (long)trap_14_ww((short)0x48,(short)(handle))
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87 #define Vload() \
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88 (long)trap_14_w((short)0x49)
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89 #define Vsave() \
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90 (long)trap_14_w((short)0x4a)
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91 #define Vopen() \
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92 (long)trap_14_w((short)0x4b)
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93 #define Vclose() \
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94 (long)trap_14_w((short)0x4c)
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95 #define Vscroll(scrollmode) \
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96 (long)trap_14_ww((short)0x4d,(short)(scrollmode))
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97 #define Voffset() \
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98 (long)trap_14_w((short)0x4e)
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99 #define Vseek() \
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100 (long)trap_14_w((short)0x4f)
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101 #define Vlock(cmd) \
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102 (long)trap_14_ww((short)0x50,(short)(cmd))
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103 #define SetMon(montype) \
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104 (long)trap_14_ww((short)0x51,(short)(montype))
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105 #define MultiMon(cmd) \
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106 (long)trap_14_ww((short)0x52,(short)(cmd))
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107 #define VSizeComp() \
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108 (long)trap_14_w((short)0x53)
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109 #define Vsize(mode) \
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110 (long)trap_14_wl((short)0x54,(long)(mode))
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111
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112 /*--- Functions prototypes ---*/
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113
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114 int SDL_XBIOS_CentscreenInit(_THIS);
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115 void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes);
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116 void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle);
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117
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118 #endif /* _SDL_xbios_centscreen_h */