annotate src/video/xbios/SDL_xbios.c @ 980:7d6f8804a293

OSMesa draws upside down
author Patrice Mandin <patmandin@gmail.com>
date Sat, 20 Nov 2004 20:47:52 +0000
parents c9d1ade1fb0b
children 475166d13b44
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 #ifdef HAVE_OPENGL
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41 #include <GL/osmesa.h>
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42 #endif
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43
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44 /* Mint includes */
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45 #include <mint/cookie.h>
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46 #include <mint/osbind.h>
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47 #include <mint/falcon.h>
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48
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49 #include "SDL.h"
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50 #include "SDL_error.h"
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51 #include "SDL_video.h"
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52 #include "SDL_mouse.h"
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53 #include "SDL_sysvideo.h"
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54 #include "SDL_pixels_c.h"
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55 #include "SDL_events_c.h"
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56
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57 #include "SDL_ataric2p_s.h"
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58 #include "SDL_atarievents_c.h"
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59 #include "SDL_atarimxalloc_c.h"
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60 #include "SDL_xbios.h"
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61
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62 #define XBIOS_VID_DRIVER_NAME "xbios"
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63
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64 /*#define DEBUG_VIDEO_XBIOS 1*/
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65
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66 /* Initialization/Query functions */
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67 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat);
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68 static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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69 static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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70 static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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71 static void XBIOS_VideoQuit(_THIS);
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72
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73 /* Hardware surface functions */
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74 static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface);
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75 static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface);
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76 static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface);
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77 static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface);
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78 static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface);
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79 static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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80
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81 #ifdef HAVE_OPENGL
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82 /* OpenGL functions */
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83 static int XBIOS_GL_LoadLibrary(_THIS, const char *path);
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84 static void *XBIOS_GL_GetProcAddress(_THIS, const char *proc);
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85 static int XBIOS_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
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86 static int XBIOS_GL_MakeCurrent(_THIS);
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87 static void XBIOS_GL_SwapBuffers(_THIS);
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88 #endif
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89
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90 /* List of video modes */
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91
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92 /* ST modes */
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93 static int xbiosnummodes_st=1;
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94 static xbiosmode_t xbiosmodelist_st[]={
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95 {ST_LOW>>8,320,200,4,SDL_FALSE}
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96 };
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97
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98 /* TT modes */
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99 static int xbiosnummodes_tt=2;
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100 static xbiosmode_t xbiosmodelist_tt[]={
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101 {TT_LOW,320,480,8,SDL_FALSE},
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102 {TT_LOW,320,240,8,SDL_TRUE} /* Software double-lined mode */
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103 };
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104
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105 /* Falcon RVB modes */
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106 static int xbiosnummodes_f30rvb=16;
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107 static xbiosmode_t xbiosmodelist_f30rvb[]={
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108 {BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,SDL_FALSE},
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109 {BPS16|COL80|OVERSCAN,768,240,16,SDL_FALSE},
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110 {BPS16|COL80|VERTFLAG,640,400,16,SDL_FALSE},
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111 {BPS16|COL80,640,200,16,SDL_FALSE},
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112 {BPS16|OVERSCAN|VERTFLAG,384,480,16,SDL_FALSE},
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113 {BPS16|OVERSCAN,384,240,16,SDL_FALSE},
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114 {BPS16|VERTFLAG,320,400,16,SDL_FALSE},
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115 {BPS16,320,200,16,SDL_FALSE},
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116
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117 {BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,SDL_FALSE},
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118 {BPS8|COL80|OVERSCAN,768,240,8,SDL_FALSE},
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119 {BPS8|COL80|VERTFLAG,640,400,8,SDL_FALSE},
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120 {BPS8|COL80,640,200,8,SDL_FALSE},
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121 {BPS8|OVERSCAN|VERTFLAG,384,480,8,SDL_FALSE},
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122 {BPS8|OVERSCAN,384,240,8,SDL_FALSE},
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123 {BPS8|VERTFLAG,320,400,8,SDL_FALSE},
281
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124 {BPS8,320,200,8,SDL_FALSE}
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125 };
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126
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127 /* Falcon VGA modes */
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128 static int xbiosnummodes_f30vga=6;
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129 static xbiosmode_t xbiosmodelist_f30vga[]={
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130 {BPS16,320,480,16,SDL_FALSE},
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131 {BPS16|VERTFLAG,320,240,16,SDL_FALSE},
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132
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133 {BPS8|COL80,640,480,8,SDL_FALSE},
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Patrice Mandin <patmandin@gmail.com>
parents: 978
diff changeset
134 {BPS8|COL80|VERTFLAG,640,240,8,SDL_FALSE},
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
135 {BPS8,320,480,8,SDL_FALSE},
281
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 {BPS8|VERTFLAG,320,240,8,SDL_FALSE}
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 };
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 /* To setup palette */
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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 unsigned short TT_palette[256];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 static unsigned long F30_palette[256];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 /* Xbios driver bootstrap functions */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 static int XBIOS_Available(void)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 {
797
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
148 unsigned long cookie_vdo, cookie_mil, cookie_hade;
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
149
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
150 /* 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
151 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
152 (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) {
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Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
153 return 0;
d0f1e34290d6 Milan and Hades Atari clones do not have an Atari video chip
Patrice Mandin <patmandin@gmail.com>
parents: 769
diff changeset
154 }
281
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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 /* Cookie _VDO present ? if not, assume ST machine */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 if (Getcookie(C__VDO, &cookie_vdo) != C_FOUND) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 cookie_vdo = VDO_ST << 16;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 /* Test if we have a monochrome monitor plugged in */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 switch( cookie_vdo >>16) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 case VDO_ST:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 case VDO_STE:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 if ( Getrez() == (ST_HIGH>>8) )
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 case VDO_TT:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 if ( (EgetShift() & ES_MODE) == TT_HIGH)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 case VDO_F30:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 if ( Montype() == MONITOR_MONO)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 default:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 return 1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 }
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Sam Lantinga <slouken@libsdl.org>
parents:
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182
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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 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 free(device->hidden);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 free(device);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 }
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parents:
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188
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 static SDL_VideoDevice *XBIOS_CreateDevice(int devindex)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 SDL_VideoDevice *device;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 /* Initialize all variables that we clean on shutdown */
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parents:
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194 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 if ( device ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 memset(device, 0, (sizeof *device));
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Sam Lantinga <slouken@libsdl.org>
parents:
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197 device->hidden = (struct SDL_PrivateVideoData *)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 malloc((sizeof *device->hidden));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 if ( (device == NULL) || (device->hidden == NULL) ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 SDL_OutOfMemory();
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 if ( device ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 free(device);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 return(0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 memset(device->hidden, 0, (sizeof *device->hidden));
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parents:
diff changeset
208
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parents:
diff changeset
209 /* Video functions */
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parents:
diff changeset
210 device->VideoInit = XBIOS_VideoInit;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 device->ListModes = XBIOS_ListModes;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 device->SetVideoMode = XBIOS_SetVideoMode;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 device->SetColors = XBIOS_SetColors;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 device->UpdateRects = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 device->VideoQuit = XBIOS_VideoQuit;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 device->AllocHWSurface = XBIOS_AllocHWSurface;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 device->LockHWSurface = XBIOS_LockHWSurface;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 device->UnlockHWSurface = XBIOS_UnlockHWSurface;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 device->FlipHWSurface = XBIOS_FlipHWSurface;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 device->FreeHWSurface = XBIOS_FreeHWSurface;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221
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
222 #ifdef HAVE_OPENGL
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parents: 972
diff changeset
223 /* OpenGL functions */
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Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
224 device->GL_LoadLibrary = XBIOS_GL_LoadLibrary;
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 device->GL_GetProcAddress = XBIOS_GL_GetProcAddress;
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 device->GL_GetAttribute = XBIOS_GL_GetAttribute;
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Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
227 device->GL_MakeCurrent = XBIOS_GL_MakeCurrent;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
228 device->GL_SwapBuffers = XBIOS_GL_SwapBuffers;
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Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
229 #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
230
281
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parents:
diff changeset
231 /* Events */
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parents:
diff changeset
232 device->InitOSKeymap = Atari_InitOSKeymap;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 device->PumpEvents = Atari_PumpEvents;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 device->free = XBIOS_DeleteDevice;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 return device;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 }
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 VideoBootStrap XBIOS_bootstrap = {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 XBIOS_VID_DRIVER_NAME, "Atari Xbios driver",
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 XBIOS_Available, XBIOS_CreateDevice
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 };
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
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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 int i,j8,j16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 xbiosmode_t *current_mode;
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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 /* Initialize all variables that we clean on shutdown */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 memset (SDL_modelist, 0, sizeof(SDL_modelist));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 /* Cookie _VDO present ? if not, assume ST machine */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 if (Getcookie(C__VDO, &XBIOS_cvdo) != C_FOUND) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 XBIOS_cvdo = VDO_ST << 16;
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
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 /* Allocate memory for old palette */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 XBIOS_oldpalette = (void *)malloc(256*sizeof(long));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 if ( !XBIOS_oldpalette ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 SDL_SetError("Unable to allocate memory for old palette\n");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 return(-1);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 /* Initialize video mode list */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 /* and save current screen status (palette, screen address, video mode) */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 switch (XBIOS_cvdo >>16) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 case VDO_ST:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 case VDO_STE:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 short *oldpalette;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 XBIOS_nummodes=xbiosnummodes_st;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 XBIOS_modelist=xbiosmodelist_st;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 XBIOS_oldvbase=Physbase();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 XBIOS_oldvmode=Getrez();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 switch(XBIOS_oldvmode << 8) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 case ST_LOW:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 XBIOS_oldnumcol=16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 case ST_MED:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 XBIOS_oldnumcol=4;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 case ST_HIGH:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 XBIOS_oldnumcol=2;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 default:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 XBIOS_oldnumcol=0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 oldpalette= (short *) XBIOS_oldpalette;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 for (i=0;i<XBIOS_oldnumcol;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 *oldpalette++=Setcolor(i,-1);
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
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 vformat->BitsPerPixel = 8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 case VDO_TT:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 XBIOS_nummodes=xbiosnummodes_tt;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 XBIOS_modelist=xbiosmodelist_tt;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 XBIOS_oldvbase=Logbase();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 XBIOS_oldvmode=EgetShift();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 switch(XBIOS_oldvmode & ES_MODE) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 case TT_LOW:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 XBIOS_oldnumcol=256;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 case ST_LOW:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 case TT_MED:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 XBIOS_oldnumcol=16;
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_MED:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 XBIOS_oldnumcol=4;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 case ST_HIGH:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 case TT_HIGH:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 XBIOS_oldnumcol=2;
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 default:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 XBIOS_oldnumcol=0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 }
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 vformat->BitsPerPixel = 8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 switch (Montype())
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 case MONITOR_MONO:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 /* Not usable */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 case MONITOR_RGB:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 case MONITOR_TV:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 XBIOS_nummodes = xbiosnummodes_f30rvb;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 XBIOS_modelist = xbiosmodelist_f30rvb;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 case MONITOR_VGA:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 XBIOS_nummodes = xbiosnummodes_f30vga;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 XBIOS_modelist = xbiosmodelist_f30vga;
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 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 XBIOS_oldvbase=Logbase();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 XBIOS_oldvmode=Vsetmode(-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 if (XBIOS_oldnumcol > 256) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 XBIOS_oldnumcol = 0;
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 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 }
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 vformat->BitsPerPixel = 16;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 /* Keep vga/rvb, and pal/ntsc bits */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 current_mode = XBIOS_modelist;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 for (i=0;i<XBIOS_nummodes;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 Uint16 newvmode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 newvmode = current_mode->number;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 newvmode &= ~(VGA|PAL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 newvmode |= XBIOS_oldvmode & (VGA|PAL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 current_mode->number = newvmode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 current_mode++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 }
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 current_mode = XBIOS_modelist;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 j8 = j16 = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 for (i=0;i<XBIOS_nummodes;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 switch (current_mode->depth) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 case 4:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 case 8:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 SDL_modelist[0][j8] = malloc(sizeof(SDL_Rect));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 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
387 SDL_modelist[0][j8]->w = current_mode->width;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 SDL_modelist[0][j8]->h = current_mode->height;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 XBIOS_videomodes[0][j8]=current_mode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 current_mode++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 j8++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 case 16:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 SDL_modelist[1][j16] = malloc(sizeof(SDL_Rect));
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 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
396 SDL_modelist[1][j16]->w = current_mode->width;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 SDL_modelist[1][j16]->h = current_mode->height;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 XBIOS_videomodes[1][j16]=current_mode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 current_mode++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 j16++;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 SDL_modelist[0][j8] = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 SDL_modelist[1][j16] = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 XBIOS_screens[0]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 XBIOS_screens[1]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 XBIOS_shadowscreen=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 /* Update hardware info */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 this->info.hw_available = 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 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
414
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 /* Init chunky to planar routine */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
416 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417
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
418 #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
419 this->gl_config.driver_loaded = 1;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
420 #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
421
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 /* We're done! */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 }
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 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
427 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 /* 8 bits -> list 0 */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 /* 16 bits -> list 1 */
712
8be92df64b22 Finally bugfixed: the simpler the better
Patrice Mandin <patmandin@gmail.com>
parents: 711
diff changeset
430 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
431 return NULL;
8db4098e944b Severe bugfix: format->BitsPerPixel not checked in ListModes function
Patrice Mandin <patmandin@gmail.com>
parents: 598
diff changeset
432 }
8db4098e944b Severe bugfix: format->BitsPerPixel not checked in ListModes function
Patrice Mandin <patmandin@gmail.com>
parents: 598
diff changeset
433
712
8be92df64b22 Finally bugfixed: the simpler the better
Patrice Mandin <patmandin@gmail.com>
parents: 711
diff changeset
434 return(SDL_modelist[(format->BitsPerPixel)>>4]);
281
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 void XBIOS_FreeBuffers(_THIS)
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 int i;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440
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
441 #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
442 /* Shutdown OpenGL context */
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
443 if (XBIOS_ctx) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
444 OSMesaDestroyContext(XBIOS_ctx);
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
445 XBIOS_ctx = NULL;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
446 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
447 #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
448
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 for (i=0;i<2;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 if (XBIOS_screensmem[i]!=NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 Mfree(XBIOS_screensmem[i]);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 XBIOS_screensmem[i]=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 if (XBIOS_shadowscreen!=NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 Mfree(XBIOS_shadowscreen);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 XBIOS_shadowscreen=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 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
463 int width, int height, int bpp, Uint32 flags)
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 int mode, new_depth;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 int i;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 xbiosmode_t *new_video_mode;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 Uint32 new_screen_size;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 Uint32 modeflags;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 /* Free current buffers */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473
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
474 /* 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
475 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
476 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
477 }
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 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
479
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 /* Search if the mode exists (width, height, bpp) */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 if ( (SDL_modelist[bpp][mode]->w == width) &&
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 (SDL_modelist[bpp][mode]->h == height) ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 }
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 if ( SDL_modelist[bpp][mode] == NULL ) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 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
490 return(NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492
508
9ff7e90aaa94 Fixed gamma correction in Atari video drivers (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents: 319
diff changeset
493 modeflags = SDL_FULLSCREEN;
281
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 /* 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
496 new_video_mode = XBIOS_videomodes[bpp][mode];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 new_depth = new_video_mode->depth;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 if (new_depth == 4) {
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
499 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert4;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 new_depth=8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 modeflags |= SDL_SWSURFACE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 } else if (new_depth == 8) {
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
503 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
504 modeflags |= SDL_SWSURFACE|SDL_HWPALETTE;
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 } else {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 modeflags |= SDL_HWSURFACE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 new_screen_size = width * height * ((new_depth)>>3);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 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
511
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 if (new_depth == 8) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513 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
514
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 if (XBIOS_shadowscreen == NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 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
517 return (NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 }
287
e4bd0cf95506 From: Patrice Mandin <pmandin@caramail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
519 memset(XBIOS_shadowscreen, 0, new_screen_size);
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522 /* 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
523 XBIOS_doubleline = SDL_FALSE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 if (new_video_mode->doubleline) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 new_screen_size <<= 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 XBIOS_doubleline = SDL_TRUE;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 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
530
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531 if (XBIOS_screensmem[0]==NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 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
534 return (NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 }
287
e4bd0cf95506 From: Patrice Mandin <pmandin@caramail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
536 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
537
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 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
539
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
540 #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
541 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
542 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
543 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
544 }
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 }
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 #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
547
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 /* Double buffer ? */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 if (flags & SDL_DOUBLEBUF) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 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
551
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 if (XBIOS_screensmem[1]==NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 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
555 return (NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 }
287
e4bd0cf95506 From: Patrice Mandin <pmandin@caramail.com>
Sam Lantinga <slouken@libsdl.org>
parents: 281
diff changeset
557 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
558
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 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
560 modeflags |= SDL_DOUBLEBUF;
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
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 /* Allocate the new pixel format for the screen */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 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
565 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 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
567 return(NULL);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 current->w = XBIOS_width = width;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 current->h = XBIOS_height = height;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 current->pitch = (width * new_depth)>>3;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 /* this is for C2P conversion */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 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
576
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 if (new_depth == 8)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 current->pixels = XBIOS_shadowscreen;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579 else
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 current->pixels = XBIOS_screens[0];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
581
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582 XBIOS_fbnum = 0;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583
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
584 #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
585 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
586 GLenum format;
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
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 /* Init OpenGL context using OSMesa */
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
589 if (new_depth == 8) {
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 format = OSMESA_COLOR_INDEX;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
591 } else {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
592 format = OSMESA_RGB_565;
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 XBIOS_ctx = OSMesaCreateContextExt( format, this->gl_config.depth_size,
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 this->gl_config.stencil_size, this->gl_config.accum_red_size +
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 this->gl_config.accum_green_size + this->gl_config.accum_blue_size +
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 this->gl_config.accum_alpha_size, NULL );
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 if (!XBIOS_ctx) {
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 XBIOS_FreeBuffers(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
601 SDL_SetError("OSMesaCreateContext failed");
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
602 return(NULL);
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
603 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
604
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
605 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
606 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
607 #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
608
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
609 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
610
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 /* Now set the video mode */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
612 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
613 Setscreen(-1,XBIOS_screens[0],-1);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
614 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 switch(XBIOS_cvdo >> 16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 case VDO_ST:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
618 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 Setscreen(-1,-1,new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
620 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 /* Reset palette */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 for (i=0;i<16;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 int c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
625 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
626 if ((i & 1) && (i<15))
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 c += (1<<4);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 if (i==14)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629 c -= 1<<8;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
630
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 TT_palette[i]= c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
633 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 Setpalette(TT_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
635 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 case VDO_STE:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
638 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 Setscreen(-1,-1,new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
640 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641 /* Reset palette */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 for (i=0;i<16;i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
644 int c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
646 c=((i&1)<<3)|((i>>1)&7);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
647 TT_palette[i]=(c<<8)|(c<<4)|c;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648 }
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 Setpalette(TT_palette);
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 case VDO_TT:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
654 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 EsetShift(new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
656 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 case VDO_F30:
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
659 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 Vsetmode(new_video_mode->number);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
661 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663 }
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 Vsync();
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 this->UpdateRects = XBIOS_UpdateRects;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 return (current);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 }
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 /* 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
673 static int XBIOS_AllocHWSurface(_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(-1);
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_FreeHWSurface(_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 int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface)
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 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
686 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688 static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 return;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
692
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
693 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
694 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
695 SDL_Surface *surface;
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
696
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
697 surface = this->screen;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698
314
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
699 if ((surface->format->BitsPerPixel) == 8) {
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
700 void *destscr;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
701 int destx;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
702 int i;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
703
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
704 /* Center on destination screen */
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
705 destscr = XBIOS_screens[XBIOS_fbnum];
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
706 destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
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parents: 311
diff changeset
707 destx = (XBIOS_width - surface->w) >> 1;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
708 destx &= ~15;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
709 destscr += destx;
bff64eba7721 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
710
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
711 for (i=0;i<numrects;i++) {
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
712 void *source,*destination;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
713 int x1,x2;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
714
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
715 x1 = rects[i].x & ~15;
319
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
716 x2 = rects[i].x+rects[i].w;
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
717 if (x2 & 15) {
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
718 x2 = (x2 | 15) +1;
189a6a3416c7 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 314
diff changeset
719 }
314
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
720
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
721 source = surface->pixels;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
722 source += surface->pitch * rects[i].y;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
723 source += x1;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
724
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
725 destination = destscr;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
726 destination += XBIOS_pitch * rects[i].y;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
727 destination += x1;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
728
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
729 /* Convert chunky to planar screen */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
730 SDL_Atari_C2pConvert(
314
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
731 source,
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
732 destination,
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
733 x2-x1,
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
734 rects[i].h,
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
735 XBIOS_doubleline,
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
736 surface->pitch,
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
737 XBIOS_pitch
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
738 );
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
739 }
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
740 }
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
741
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
742 #ifndef DEBUG_VIDEO_XBIOS
314
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parents: 311
diff changeset
743 Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
744 #endif
314
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parents: 311
diff changeset
745 Vsync();
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parents: 311
diff changeset
746
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parents: 311
diff changeset
747 if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
748 XBIOS_fbnum ^= 1;
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
749 if ((surface->format->BitsPerPixel) > 8) {
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
750 surface->pixels=XBIOS_screens[XBIOS_fbnum];
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
751 }
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Sam Lantinga <slouken@libsdl.org>
parents: 311
diff changeset
752 }
281
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
757 if ((surface->format->BitsPerPixel) == 8) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758 void *destscr;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
759 int destx;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761 /* Center on destination screen */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 destscr = XBIOS_screens[XBIOS_fbnum];
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 destx = (XBIOS_width - surface->w) >> 1;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 destx &= ~15;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
766 destscr += destx;
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 /* Convert chunky to planar screen */
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
769 SDL_Atari_C2pConvert(
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
770 surface->pixels,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771 destscr,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
772 surface->w,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773 surface->h,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774 XBIOS_doubleline,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
775 surface->pitch,
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
776 XBIOS_pitch
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
777 );
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
778 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
779
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
780 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
781 Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
782 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
783 Vsync();
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 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
786 XBIOS_fbnum ^= 1;
2847fd83f115 Date: Fri, 15 Mar 2002 18:24:59 GMT+1
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
787 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
788 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
789 }
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
790 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
791
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
792 return(0);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
793 }
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 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
796 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
797 int i;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
798 int r,v,b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
799
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
800 switch( XBIOS_cvdo >> 16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
801 case VDO_ST:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
802 case VDO_STE:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
803 for (i=0;i<ncolors;i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
804 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
805 r = colors[i].r;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
806 v = colors[i].g;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
807 b = colors[i].b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
808
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
809 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
810 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
811 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
812 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
813 case VDO_TT:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
814 for(i = 0; i < ncolors; i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
815 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
816 r = colors[i].r;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
817 v = colors[i].g;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
818 b = colors[i].b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
819
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
820 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
821 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
822 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
823 EsetPalette(firstcolor,ncolors,TT_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
824 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
825 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
826 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
827 for(i = 0; i < ncolors; i++)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
828 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
829 r = colors[i].r;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
830 v = colors[i].g;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
831 b = colors[i].b;
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 F30_palette[i]=(r<<16)|(v<<8)|b;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
834 }
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
835 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
836 VsetRGB(firstcolor,ncolors,F30_palette);
735
abec2a842d11 Use new C2P routine
Patrice Mandin <patmandin@gmail.com>
parents: 712
diff changeset
837 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
838 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
839 }
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 return(1);
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
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
844 /* 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
845 another SDL video routine -- notably UpdateRects.
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
846 */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
847 static void XBIOS_VideoQuit(_THIS)
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
848 {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
849 int i,j;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
850
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
851 Atari_ShutdownEvents();
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
852
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
853 /* 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
854 #ifndef DEBUG_VIDEO_XBIOS
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 switch(XBIOS_cvdo >> 16) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856 case VDO_ST:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857 case VDO_STE:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
858 Setscreen(-1,XBIOS_oldvbase,XBIOS_oldvmode);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
859 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
860 Setpalette(XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
861 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
862 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
863 case VDO_TT:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
864 Setscreen(-1,XBIOS_oldvbase,-1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
865 EsetShift(XBIOS_oldvmode);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
866 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
867 EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
868 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
869 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
870 case VDO_F30:
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
871 Setscreen(-1, XBIOS_oldvbase, -1);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
872 Vsetmode(XBIOS_oldvmode);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
873 if (XBIOS_oldnumcol) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
874 VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
875 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
876 break;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
877 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
878 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
879 #endif
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
880
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
881 if (XBIOS_oldpalette) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
882 free(XBIOS_oldpalette);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
883 XBIOS_oldpalette=NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
884 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
885 XBIOS_FreeBuffers(this);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
886
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 /* Free mode list */
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
888 for (j=0;j<NUM_MODELISTS;j++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
889 for (i=0;i<SDL_NUMMODES;i++) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
890 if (SDL_modelist[j][i]!=NULL) {
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
891 free(SDL_modelist[j][i]);
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
892 SDL_modelist[j][i]=NULL;
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 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
895 }
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
896
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
897 this->screen->pixels = NULL;
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
898 }
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
899
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 #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
901
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
902 /* OpenGL functions */
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
903 static int XBIOS_GL_LoadLibrary(_THIS, const char *path)
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 /* Library is always opened */
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 this->gl_config.driver_loaded = 1;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
907
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
908 return 0;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
909 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
910
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
911 static void *XBIOS_GL_GetProcAddress(_THIS, const char *proc)
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
912 {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
913 void *func = NULL;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
914
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
915 if (XBIOS_ctx != NULL) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
916 func = OSMesaGetProcAddress(proc);
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
917 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
918
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
919 return func;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
920 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
921
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
922 static int XBIOS_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value)
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
923 {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
924 GLenum mesa_attrib;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
925 SDL_Surface *surface;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
926
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
927 if (XBIOS_ctx == NULL) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
928 return -1;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
929 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
930
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
931 switch(attrib) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
932 case SDL_GL_RED_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
933 mesa_attrib = GL_RED_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
934 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
935 case SDL_GL_GREEN_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
936 mesa_attrib = GL_GREEN_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
937 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
938 case SDL_GL_BLUE_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
939 mesa_attrib = GL_BLUE_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
940 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
941 case SDL_GL_ALPHA_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
942 mesa_attrib = GL_ALPHA_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
943 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
944 case SDL_GL_DOUBLEBUFFER:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
945 surface = this->screen;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
946 *value = ((surface->flags & SDL_DOUBLEBUF)==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
947 return 0;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
948 case SDL_GL_DEPTH_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
949 mesa_attrib = GL_DEPTH_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
950 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
951 case SDL_GL_STENCIL_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
952 mesa_attrib = GL_STENCIL_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
953 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
954 case SDL_GL_ACCUM_RED_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
955 mesa_attrib = GL_ACCUM_RED_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
956 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
957 case SDL_GL_ACCUM_GREEN_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
958 mesa_attrib = GL_ACCUM_GREEN_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
959 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
960 case SDL_GL_ACCUM_BLUE_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
961 mesa_attrib = GL_ACCUM_BLUE_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
962 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
963 case SDL_GL_ACCUM_ALPHA_SIZE:
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
964 mesa_attrib = GL_ACCUM_ALPHA_BITS;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
965 break;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
966 default :
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
967 return -1;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
968 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
969
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
970 glGetIntegerv(mesa_attrib, value);
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
971 return 0;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
972 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
973
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
974 static int XBIOS_GL_MakeCurrent(_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
975 {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
976 SDL_Surface *surface;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
977 GLenum type;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
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
979 if (XBIOS_ctx == NULL) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
980 return -1;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
981 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
982
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
983 surface = this->screen;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
984 if ((surface->format->BitsPerPixel) == 8) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
985 type = GL_UNSIGNED_BYTE;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
986 } else {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
987 type = GL_UNSIGNED_SHORT_5_6_5;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
988 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
989
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
990 if (!OSMesaMakeCurrent(XBIOS_ctx, surface->pixels, type, surface->w, surface->h)) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
991 SDL_SetError("Can not make OpenGL context current");
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
992 return -1;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
993 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
994
980
7d6f8804a293 OSMesa draws upside down
Patrice Mandin <patmandin@gmail.com>
parents: 979
diff changeset
995 /* OSMesa draws upside down */
7d6f8804a293 OSMesa draws upside down
Patrice Mandin <patmandin@gmail.com>
parents: 979
diff changeset
996 OSMesaPixelStore(OSMESA_Y_UP, 0);
7d6f8804a293 OSMesa draws upside down
Patrice Mandin <patmandin@gmail.com>
parents: 979
diff changeset
997
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
998 return 0;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
999 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1000
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1001 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
1002 {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1003 if (XBIOS_ctx == NULL) {
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1004 return;
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1005 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1006
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1007 XBIOS_FlipHWSurface(this, this->screen);
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1008 XBIOS_GL_MakeCurrent(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
1009 }
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1010
3b1ba22f5a28 Add support for OpenGL on Atari using OSMesa, the offscreen rendering driver from Mesa
Patrice Mandin <patmandin@gmail.com>
parents: 972
diff changeset
1011 #endif