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annotate src/video/xbios/SDL_xbios.c @ 1040:c6ed27c7d47d

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Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
author Patrice Mandin <patmandin@gmail.com>
date Tue, 22 Feb 2005 17:57:40 +0000
parents 2662da16d668
children 0e7218843cfb
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
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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 * Xbios SDL video driver
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30 *
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31 * Patrice Mandin
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32 */
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33
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34 #include <stdio.h>
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35 #include <stdlib.h>
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36 #include <string.h>
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37 #include <sys/stat.h>
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38 #include <unistd.h>
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39
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40 /* Mint includes */
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41 #include <mint/cookie.h>
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42 #include <mint/osbind.h>
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43 #include <mint/falcon.h>
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44
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45 #include "SDL.h"
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46 #include "SDL_error.h"
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47 #include "SDL_video.h"
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48 #include "SDL_mouse.h"
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49 #include "SDL_sysvideo.h"
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50 #include "SDL_pixels_c.h"
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51 #include "SDL_events_c.h"
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52
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53 #include "SDL_ataric2p_s.h"
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54 #include "SDL_atarievents_c.h"
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55 #include "SDL_atarimxalloc_c.h"
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56 #include "SDL_atarigl_c.h"
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57 #include "SDL_xbios.h"
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58 #include "SDL_xbios_blowup.h"
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59 #include "SDL_xbios_sb3.h"
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60
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61 #define XBIOS_VID_DRIVER_NAME "xbios"
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62
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63 /*#define DEBUG_VIDEO_XBIOS 1*/
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64
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65 /* Initialization/Query functions */
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66 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat);
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67 static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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68 static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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69 static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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70 static void XBIOS_VideoQuit(_THIS);
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71
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72 /* Hardware surface functions */
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73 static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface);
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74 static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface);
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75 static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface);
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76 static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface);
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77 static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface);
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78 static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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79
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80 #ifdef HAVE_OPENGL
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81 /* OpenGL functions */
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82 static void XBIOS_GL_SwapBuffers(_THIS);
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83 #endif
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84
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85 /* List of video modes */
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86
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87 /* ST modes */
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88 static int xbiosnummodes_st=1;
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89 static xbiosmode_t xbiosmodelist_st[]={
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90 {ST_LOW>>8,320,200,4,SDL_FALSE}
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91 };
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92
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93 /* TT modes */
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94 static int xbiosnummodes_tt=2;
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95 static xbiosmode_t xbiosmodelist_tt[]={
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96 {TT_LOW,320,480,8,SDL_FALSE},
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97 {TT_LOW,320,240,8,SDL_TRUE} /* Software double-lined mode */
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98 };
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99
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100 /* Falcon RVB modes */
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101 static int xbiosnummodes_f30rvb=16;
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102 static xbiosmode_t xbiosmodelist_f30rvb[]={
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103 {BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,SDL_FALSE},
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104 {BPS16|COL80|OVERSCAN,768,240,16,SDL_FALSE},
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105 {BPS16|COL80|VERTFLAG,640,400,16,SDL_FALSE},
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106 {BPS16|COL80,640,200,16,SDL_FALSE},
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107 {BPS16|OVERSCAN|VERTFLAG,384,480,16,SDL_FALSE},
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108 {BPS16|OVERSCAN,384,240,16,SDL_FALSE},
978
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109 {BPS16|VERTFLAG,320,400,16,SDL_FALSE},
281
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110 {BPS16,320,200,16,SDL_FALSE},
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111
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112 {BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,SDL_FALSE},
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113 {BPS8|COL80|OVERSCAN,768,240,8,SDL_FALSE},
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114 {BPS8|COL80|VERTFLAG,640,400,8,SDL_FALSE},
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115 {BPS8|COL80,640,200,8,SDL_FALSE},
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116 {BPS8|OVERSCAN|VERTFLAG,384,480,8,SDL_FALSE},
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117 {BPS8|OVERSCAN,384,240,8,SDL_FALSE},
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118 {BPS8|VERTFLAG,320,400,8,SDL_FALSE},
281
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119 {BPS8,320,200,8,SDL_FALSE}
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120 };
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121
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122 /* Falcon VGA modes */
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123 static int xbiosnummodes_f30vga=6;
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124 static xbiosmode_t xbiosmodelist_f30vga[]={
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125 {BPS16,320,480,16,SDL_FALSE},
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126 {BPS16|VERTFLAG,320,240,16,SDL_FALSE},
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127
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128 {BPS8|COL80,640,480,8,SDL_FALSE},
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129 {BPS8|COL80|VERTFLAG,640,240,8,SDL_FALSE},
978
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130 {BPS8,320,480,8,SDL_FALSE},
281
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131 {BPS8|VERTFLAG,320,240,8,SDL_FALSE}
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132 };
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133
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 /* To setup palette */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 static unsigned short TT_palette[256];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 static unsigned long F30_palette[256];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 /* Xbios driver bootstrap functions */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 static int XBIOS_Available(void)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 {
1040
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
143 unsigned long cookie_vdo, cookie_mil, cookie_hade, cookie_scpn;
797
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
144
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
145 /* Milan/Hades Atari clones do not have an Atari video chip */
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
146 if ( (Getcookie(C__MIL, &cookie_mil) == C_FOUND) ||
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
147 (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) {
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
148 return 0;
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
149 }
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 /* Cookie _VDO present ? if not, assume ST machine */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 if (Getcookie(C__VDO, &cookie_vdo) != C_FOUND) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 cookie_vdo = VDO_ST << 16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 /* Test if we have a monochrome monitor plugged in */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 switch( cookie_vdo >>16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 case VDO_ST:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 case VDO_STE:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 if ( Getrez() == (ST_HIGH>>8) )
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 return 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 case VDO_TT:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 if ( (EgetShift() & ES_MODE) == TT_HIGH)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 return 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 if ( Montype() == MONITOR_MONO)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 return 0;
1040
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
170 if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) {
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
171 if (!SDL_XBIOS_SB3Usable((scpn_cookie_t *)cookie_scpn)) {
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
172 return 0;
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
173 }
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
174 }
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 default:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 return 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 return 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 static void XBIOS_DeleteDevice(SDL_VideoDevice *device)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 free(device->hidden);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 free(device);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 static SDL_VideoDevice *XBIOS_CreateDevice(int devindex)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 SDL_VideoDevice *device;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 /* Initialize all variables that we clean on shutdown */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 if ( device ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 memset(device, 0, (sizeof *device));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 device->hidden = (struct SDL_PrivateVideoData *)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 malloc((sizeof *device->hidden));
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
199 device->gl_data = (struct SDL_PrivateGLData *)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
200 malloc((sizeof *device->gl_data));
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 if ( (device == NULL) || (device->hidden == NULL) ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 SDL_OutOfMemory();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 if ( device ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 free(device);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 memset(device->hidden, 0, (sizeof *device->hidden));
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
210 memset(device->gl_data, 0, sizeof(*device->gl_data));
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 /* Video functions */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 device->VideoInit = XBIOS_VideoInit;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 device->ListModes = XBIOS_ListModes;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 device->SetVideoMode = XBIOS_SetVideoMode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 device->SetColors = XBIOS_SetColors;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 device->UpdateRects = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 device->VideoQuit = XBIOS_VideoQuit;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 device->AllocHWSurface = XBIOS_AllocHWSurface;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 device->LockHWSurface = XBIOS_LockHWSurface;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 device->UnlockHWSurface = XBIOS_UnlockHWSurface;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 device->FlipHWSurface = XBIOS_FlipHWSurface;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 device->FreeHWSurface = XBIOS_FreeHWSurface;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
225 #ifdef HAVE_OPENGL
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
226 /* OpenGL functions */
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
227 device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
228 device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
229 device->GL_GetAttribute = SDL_AtariGL_GetAttribute;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
230 device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent;
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
231 device->GL_SwapBuffers = XBIOS_GL_SwapBuffers;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
232 #endif
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
233
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 /* Events */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 device->InitOSKeymap = Atari_InitOSKeymap;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 device->PumpEvents = Atari_PumpEvents;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 device->free = XBIOS_DeleteDevice;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 return device;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 VideoBootStrap XBIOS_bootstrap = {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 XBIOS_VID_DRIVER_NAME, "Atari Xbios driver",
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 XBIOS_Available, XBIOS_CreateDevice
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 };
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 int i,j8,j16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 xbiosmode_t *current_mode;
1040
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
252 unsigned long cookie_blow, cookie_scpn;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 /* Initialize all variables that we clean on shutdown */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 memset (SDL_modelist, 0, sizeof(SDL_modelist));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 /* Cookie _VDO present ? if not, assume ST machine */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 if (Getcookie(C__VDO, &XBIOS_cvdo) != C_FOUND) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 XBIOS_cvdo = VDO_ST << 16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 /* Allocate memory for old palette */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 XBIOS_oldpalette = (void *)malloc(256*sizeof(long));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 if ( !XBIOS_oldpalette ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 SDL_SetError("Unable to allocate memory for old palette\n");
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 return(-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 /* Initialize video mode list */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 /* and save current screen status (palette, screen address, video mode) */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 switch (XBIOS_cvdo >>16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 case VDO_ST:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 case VDO_STE:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 short *oldpalette;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 XBIOS_nummodes=xbiosnummodes_st;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 XBIOS_modelist=xbiosmodelist_st;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 XBIOS_oldvbase=Physbase();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 XBIOS_oldvmode=Getrez();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 switch(XBIOS_oldvmode << 8) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 case ST_LOW:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 XBIOS_oldnumcol=16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 case ST_MED:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 XBIOS_oldnumcol=4;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 case ST_HIGH:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 XBIOS_oldnumcol=2;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 default:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 XBIOS_oldnumcol=0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 oldpalette= (short *) XBIOS_oldpalette;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 for (i=0;i<XBIOS_oldnumcol;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 *oldpalette++=Setcolor(i,-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 vformat->BitsPerPixel = 8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 case VDO_TT:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 XBIOS_nummodes=xbiosnummodes_tt;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 XBIOS_modelist=xbiosmodelist_tt;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 XBIOS_oldvbase=Logbase();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 XBIOS_oldvmode=EgetShift();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 switch(XBIOS_oldvmode & ES_MODE) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 case TT_LOW:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 XBIOS_oldnumcol=256;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 case ST_LOW:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 case TT_MED:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 XBIOS_oldnumcol=16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 case ST_MED:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 XBIOS_oldnumcol=4;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 case ST_HIGH:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 case TT_HIGH:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 XBIOS_oldnumcol=2;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 default:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 XBIOS_oldnumcol=0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 vformat->BitsPerPixel = 8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 switch (Montype())
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 case MONITOR_MONO:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 /* Not usable */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 case MONITOR_RGB:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 case MONITOR_TV:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 XBIOS_nummodes = xbiosnummodes_f30rvb;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 XBIOS_modelist = xbiosmodelist_f30rvb;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 case MONITOR_VGA:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 XBIOS_nummodes = xbiosnummodes_f30vga;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 XBIOS_modelist = xbiosmodelist_f30vga;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 XBIOS_oldvbase=Logbase();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 XBIOS_oldvmode=Vsetmode(-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 if (XBIOS_oldnumcol > 256) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 XBIOS_oldnumcol = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 vformat->BitsPerPixel = 16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 /* Keep vga/rvb, and pal/ntsc bits */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 current_mode = XBIOS_modelist;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 for (i=0;i<XBIOS_nummodes;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 Uint16 newvmode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 newvmode = current_mode->number;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 newvmode &= ~(VGA|PAL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 newvmode |= XBIOS_oldvmode & (VGA|PAL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 current_mode->number = newvmode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 current_mode++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379
1040
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
380 /* Initialize BlowUp or SB3 stuff if present */
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
381 if (Getcookie(C_BLOW, &cookie_blow) == C_FOUND) {
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
382 SDL_XBIOS_BlowupInit(this, (blow_cookie_t *)cookie_blow);
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
383 } else if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) {
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
384 SDL_XBIOS_SB3Init(this, (scpn_cookie_t *)cookie_scpn);
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
385 }
c6ed27c7d47d Preliminary support for Blowup and Screen Blaster 3 extensions on Atari Falcon 030
Patrice Mandin <patmandin@gmail.com>
parents: 993
diff changeset
386
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 current_mode = XBIOS_modelist;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 j8 = j16 = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 for (i=0;i<XBIOS_nummodes;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 switch (current_mode->depth) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 case 4:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 case 8:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 SDL_modelist[0][j8] = malloc(sizeof(SDL_Rect));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 SDL_modelist[0][j8]->x = SDL_modelist[0][j8]->y = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 SDL_modelist[0][j8]->w = current_mode->width;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 SDL_modelist[0][j8]->h = current_mode->height;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 XBIOS_videomodes[0][j8]=current_mode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 current_mode++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 j8++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 case 16:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 SDL_modelist[1][j16] = malloc(sizeof(SDL_Rect));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 SDL_modelist[1][j16]->x = SDL_modelist[1][j16]->y = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 SDL_modelist[1][j16]->w = current_mode->width;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 SDL_modelist[1][j16]->h = current_mode->height;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 XBIOS_videomodes[1][j16]=current_mode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 current_mode++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 j16++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 SDL_modelist[0][j8] = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 SDL_modelist[1][j16] = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 XBIOS_screens[0]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 XBIOS_screens[1]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 XBIOS_shadowscreen=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 /* Update hardware info */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 this->info.hw_available = 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 this->info.video_mem = (Uint32) Atari_SysMalloc(-1L, MX_STRAM);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 /* Init chunky to planar routine */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
427 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
429 #ifdef HAVE_OPENGL
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
430 SDL_AtariGL_InitPointers(this);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
431 #endif
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
432
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 /* We're done! */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 /* 8 bits -> list 0 */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 /* 16 bits -> list 1 */
712
8be92df64b22 Finally bugfixed: the simpler the better
Patrice Mandin <patmandin@gmail.com>
parents: 711
diff changeset
441 if ((format->BitsPerPixel != 8) && (format->BitsPerPixel !=16)) {
711
8db4098e944b Severe bugfix: format->BitsPerPixel not checked in ListModes function
Patrice Mandin <patmandin@gmail.com>
parents: 598
diff changeset
442 return NULL;
8db4098e944b Severe bugfix: format->BitsPerPixel not checked in ListModes function
Patrice Mandin <patmandin@gmail.com>
parents: 598
diff changeset
443 }
8db4098e944b Severe bugfix: format->BitsPerPixel not checked in ListModes function
Patrice Mandin <patmandin@gmail.com>
parents: 598
diff changeset
444
712
8be92df64b22 Finally bugfixed: the simpler the better
Patrice Mandin <patmandin@gmail.com>
parents: 711
diff changeset
445 return(SDL_modelist[(format->BitsPerPixel)>>4]);
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 static void XBIOS_FreeBuffers(_THIS)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 int i;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 for (i=0;i<2;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 if (XBIOS_screensmem[i]!=NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 Mfree(XBIOS_screensmem[i]);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 XBIOS_screensmem[i]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 if (XBIOS_shadowscreen!=NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 Mfree(XBIOS_shadowscreen);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 XBIOS_shadowscreen=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 int width, int height, int bpp, Uint32 flags)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 int mode, new_depth;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 int i;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 xbiosmode_t *new_video_mode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 Uint32 new_screen_size;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 Uint32 modeflags;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 /* Free current buffers */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476
801
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
477 /* Limit bpp */
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
478 if (bpp>16) {
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
479 bpp = 16;
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
480 }
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
481 bpp >>= 4;
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
482
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 /* Search if the mode exists (width, height, bpp) */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 if ( (SDL_modelist[bpp][mode]->w == width) &&
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 (SDL_modelist[bpp][mode]->h == height) ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 if ( SDL_modelist[bpp][mode] == NULL ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 SDL_SetError("Couldn't find requested mode in list");
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 return(NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495
508
9ff7e90aaa94 Fixed gamma correction in Atari video drivers (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents: 319
diff changeset
496 modeflags = SDL_FULLSCREEN;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 /* Allocate needed buffers: simple/double buffer and shadow surface */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 new_video_mode = XBIOS_videomodes[bpp][mode];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 new_depth = new_video_mode->depth;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 if (new_depth == 4) {
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
502 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert4;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 new_depth=8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 modeflags |= SDL_SWSURFACE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 } else if (new_depth == 8) {
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
506 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
508
9ff7e90aaa94 Fixed gamma correction in Atari video drivers (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents: 319
diff changeset
507 modeflags |= SDL_SWSURFACE|SDL_HWPALETTE;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 } else {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 modeflags |= SDL_HWSURFACE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 new_screen_size = width * height * ((new_depth)>>3);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513 new_screen_size += 256; /* To align on a 256 byte adress */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 if (new_depth == 8) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 XBIOS_shadowscreen = Atari_SysMalloc(new_screen_size, MX_PREFTTRAM);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 if (XBIOS_shadowscreen == NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 SDL_SetError("XBIOS_SetVideoMode: Not enough memory for shadow surface");
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 return (NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 }
287
e4bd0cf95506 From: Patrice Mandin <pmandin@caramail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
522 memset(XBIOS_shadowscreen, 0, new_screen_size);
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 /* Output buffer needs to be twice in size for the software double-line mode */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 XBIOS_doubleline = SDL_FALSE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 if (new_video_mode->doubleline) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 new_screen_size <<= 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 XBIOS_doubleline = SDL_TRUE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 XBIOS_screensmem[0] = Atari_SysMalloc(new_screen_size, MX_STRAM);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 if (XBIOS_screensmem[0]==NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536 SDL_SetError("XBIOS_SetVideoMode: Not enough memory for video buffer");
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 return (NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 }
287
e4bd0cf95506 From: Patrice Mandin <pmandin@caramail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
539 memset(XBIOS_screensmem[0], 0, new_screen_size);
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 XBIOS_screens[0]=(void *) (( (long) XBIOS_screensmem[0]+256) & 0xFFFFFF00UL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
543 #ifdef HAVE_OPENGL
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
544 if (flags & SDL_OPENGL) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
545 if (this->gl_config.double_buffer) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
546 flags |= SDL_DOUBLEBUF;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
547 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
548 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
549 #endif
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
550
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 /* Double buffer ? */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 if (flags & SDL_DOUBLEBUF) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 XBIOS_screensmem[1] = Atari_SysMalloc(new_screen_size, MX_STRAM);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 if (XBIOS_screensmem[1]==NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 SDL_SetError("XBIOS_SetVideoMode: Not enough memory for double buffer");
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 return (NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 }
287
e4bd0cf95506 From: Patrice Mandin <pmandin@caramail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
560 memset(XBIOS_screensmem[1], 0, new_screen_size);
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562 XBIOS_screens[1]=(void *) (( (long) XBIOS_screensmem[1]+256) & 0xFFFFFF00UL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 modeflags |= SDL_DOUBLEBUF;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 /* Allocate the new pixel format for the screen */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 if ( ! SDL_ReallocFormat(current, new_depth, 0, 0, 0, 0) ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569 SDL_SetError("Couldn't allocate new pixel format for requested mode");
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 return(NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 current->w = XBIOS_width = width;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 current->h = XBIOS_height = height;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 current->pitch = (width * new_depth)>>3;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 /* this is for C2P conversion */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 XBIOS_pitch = (new_video_mode->width * new_video_mode->depth)>>3;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 if (new_depth == 8)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
581 current->pixels = XBIOS_shadowscreen;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582 else
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 current->pixels = XBIOS_screens[0];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 XBIOS_fbnum = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
587 #ifdef HAVE_OPENGL
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
588 if (flags & SDL_OPENGL) {
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
589 if (!SDL_AtariGL_Init(this, current)) {
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
590 XBIOS_FreeBuffers(this);
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
591 SDL_SetError("Can not create OpenGL context");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents: 980
diff changeset
592 return NULL;
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
593 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
594
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
595 modeflags |= SDL_OPENGL;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
596 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
597 #endif
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
598
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
599 current->flags = modeflags;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
600
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
601 /* Now set the video mode */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
602 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
603 Setscreen(-1,XBIOS_screens[0],-1);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
604 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
605
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
606 switch(XBIOS_cvdo >> 16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
607 case VDO_ST:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
608 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
609 Setscreen(-1,-1,new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
610 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 /* Reset palette */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
612 for (i=0;i<16;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
613 int c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
614
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615 c = ((i>>1)<<8) | ((i>>1)<<4) | (i>>1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 if ((i & 1) && (i<15))
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 c += (1<<4);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
618 if (i==14)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 c -= 1<<8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 TT_palette[i]= c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
623 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 Setpalette(TT_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
625 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 case VDO_STE:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
628 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629 Setscreen(-1,-1,new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
630 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 /* Reset palette */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 for (i=0;i<16;i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 int c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 c=((i&1)<<3)|((i>>1)&7);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 TT_palette[i]=(c<<8)|(c<<4)|c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
639 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 Setpalette(TT_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
641 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643 case VDO_TT:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
644 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645 EsetShift(new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
646 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
647 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648 case VDO_F30:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
649 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650 Vsetmode(new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
651 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
653 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 Vsync();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
656
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 this->UpdateRects = XBIOS_UpdateRects;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 return (current);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662 /* We don't actually allow hardware surfaces other than the main one */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663 static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
665 return(-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
666 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668 static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 return;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678 static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
679 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
680 return;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
681 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683 static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
684 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 SDL_Surface *surface;
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
686
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687 surface = this->screen;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
689 if ((surface->format->BitsPerPixel) == 8) {
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
690 void *destscr;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
691 int destx;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
692 int i;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
693
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
694 /* Center on destination screen */
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
695 destscr = XBIOS_screens[XBIOS_fbnum];
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
696 destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
697 destx = (XBIOS_width - surface->w) >> 1;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
698 destx &= ~15;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
699 destscr += destx;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
700
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
701 for (i=0;i<numrects;i++) {
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
702 void *source,*destination;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
703 int x1,x2;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
704
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
705 x1 = rects[i].x & ~15;
319
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
706 x2 = rects[i].x+rects[i].w;
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
707 if (x2 & 15) {
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
708 x2 = (x2 | 15) +1;
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
709 }
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
710
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
711 source = surface->pixels;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
712 source += surface->pitch * rects[i].y;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
713 source += x1;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
714
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
715 destination = destscr;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
716 destination += XBIOS_pitch * rects[i].y;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
717 destination += x1;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
718
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
719 /* Convert chunky to planar screen */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
720 SDL_Atari_C2pConvert(
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
721 source,
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
722 destination,
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
723 x2-x1,
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
724 rects[i].h,
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
725 XBIOS_doubleline,
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
726 surface->pitch,
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
727 XBIOS_pitch
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
728 );
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
729 }
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
730 }
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
731
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
732 #ifndef DEBUG_VIDEO_XBIOS
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
733 Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
734 #endif
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
735 Vsync();
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
736
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
737 if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
738 XBIOS_fbnum ^= 1;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
739 if ((surface->format->BitsPerPixel) > 8) {
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
740 surface->pixels=XBIOS_screens[XBIOS_fbnum];
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
741 }
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
742 }
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
743 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
744
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745 static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747 if ((surface->format->BitsPerPixel) == 8) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748 void *destscr;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 int destx;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751 /* Center on destination screen */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 destscr = XBIOS_screens[XBIOS_fbnum];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 destx = (XBIOS_width - surface->w) >> 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 destx &= ~15;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 destscr += destx;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
757
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758 /* Convert chunky to planar screen */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
759 SDL_Atari_C2pConvert(
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760 surface->pixels,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761 destscr,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 surface->w,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 surface->h,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 XBIOS_doubleline,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 surface->pitch,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
766 XBIOS_pitch
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
767 );
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
768 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
769
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
770 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771 Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
772 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773 Vsync();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
775 if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
311
2847fd83f115 Date: Fri, 15 Mar 2002 18:24:59 GMT+1
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
776 XBIOS_fbnum ^= 1;
2847fd83f115 Date: Fri, 15 Mar 2002 18:24:59 GMT+1
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
777 if ((surface->format->BitsPerPixel) > 8) {
2847fd83f115 Date: Fri, 15 Mar 2002 18:24:59 GMT+1
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
778 surface->pixels=XBIOS_screens[XBIOS_fbnum];
2847fd83f115 Date: Fri, 15 Mar 2002 18:24:59 GMT+1
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
779 }
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
780 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
781
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
782 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
783 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
784
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
785 static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
786 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
787 int i;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
788 int r,v,b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
789
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
790 switch( XBIOS_cvdo >> 16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
791 case VDO_ST:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
792 case VDO_STE:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
793 for (i=0;i<ncolors;i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
794 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
795 r = colors[i].r;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
796 v = colors[i].g;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
797 b = colors[i].b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
798
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
799 TT_palette[firstcolor+i]=((r*30)+(v*59)+(b*11))/100;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
800 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
801 SDL_Atari_C2pConvert4_pal(TT_palette); /* convert the lighting */
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
802 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
803 case VDO_TT:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
804 for(i = 0; i < ncolors; i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
805 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
806 r = colors[i].r;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
807 v = colors[i].g;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
808 b = colors[i].b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
809
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
810 TT_palette[i]=((r>>4)<<8)|((v>>4)<<4)|(b>>4);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
811 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
812 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
813 EsetPalette(firstcolor,ncolors,TT_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
814 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
815 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
816 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
817 for(i = 0; i < ncolors; i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
818 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
819 r = colors[i].r;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
820 v = colors[i].g;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
821 b = colors[i].b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
822
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
823 F30_palette[i]=(r<<16)|(v<<8)|b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
824 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
825 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
826 VsetRGB(firstcolor,ncolors,F30_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
827 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
828 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
829 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
830
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
831 return(1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
832 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
833
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
834 /* Note: If we are terminated, this could be called in the middle of
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
835 another SDL video routine -- notably UpdateRects.
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
836 */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
837 static void XBIOS_VideoQuit(_THIS)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
838 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
839 int i,j;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
840
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
841 Atari_ShutdownEvents();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
842
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
843 /* Restore video mode and palette */
801
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
844 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
845 switch(XBIOS_cvdo >> 16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
846 case VDO_ST:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
847 case VDO_STE:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
848 Setscreen(-1,XBIOS_oldvbase,XBIOS_oldvmode);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
849 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
850 Setpalette(XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
851 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
852 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
853 case VDO_TT:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
854 Setscreen(-1,XBIOS_oldvbase,-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 EsetShift(XBIOS_oldvmode);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857 EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
858 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
859 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
860 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
861 Setscreen(-1, XBIOS_oldvbase, -1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
862 Vsetmode(XBIOS_oldvmode);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
863 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
864 VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
865 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
866 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
867 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
868 Vsync();
801
ff1058d642dc Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly
Patrice Mandin <patmandin@gmail.com>
parents: 797
diff changeset
869 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
870
992
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
871
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
872 #ifdef HAVE_OPENGL
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
873 if (gl_active) {
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
874 SDL_AtariGL_Quit(this, SDL_TRUE);
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
875 }
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
876 #endif
0324ce32b2d9 Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents: 991
diff changeset
877
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
878 if (XBIOS_oldpalette) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
879 free(XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
880 XBIOS_oldpalette=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
881 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
882 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
883
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
884 /* Free mode list */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
885 for (j=0;j<NUM_MODELISTS;j++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
886 for (i=0;i<SDL_NUMMODES;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 if (SDL_modelist[j][i]!=NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
888 free(SDL_modelist[j][i]);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
889 SDL_modelist[j][i]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
890 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
891 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
892 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
893
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
894 this->screen->pixels = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
895 }
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
896
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
897 #ifdef HAVE_OPENGL
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
898
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
899 static void XBIOS_GL_SwapBuffers(_THIS)
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
900 {
993
2662da16d668 Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents: 992
diff changeset
901 SDL_AtariGL_SwapBuffers(this);
2662da16d668 Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents: 992
diff changeset
902 XBIOS_FlipHWSurface(this, this->screen);
2662da16d668 Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents: 992
diff changeset
903 SDL_AtariGL_MakeCurrent(this);
978
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
904 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
905
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
906 #endif