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annotate src/video/Xext/Xxf86dga/XF86DGA.c @ 1668:4da1ee79c9af SDL-1.3

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more tweaking indent options
author Sam Lantinga <slouken@libsdl.org>
date Mon, 29 May 2006 04:04:35 +0000
parents 782fd950bd46
children
rev   line source
292
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1 /* $XFree86: xc/lib/Xxf86dga/XF86DGA.c,v 3.19 2001/08/18 02:41:30 dawes Exp $ */
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2 /*
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3
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4 Copyright (c) 1995 Jon Tombs
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5 Copyright (c) 1995,1996 The XFree86 Project, Inc
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6
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7 */
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8
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9 /* THIS IS NOT AN X CONSORTIUM STANDARD */
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10
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11 #ifdef __EMX__ /* needed here to override certain constants in X headers */
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12 #define INCL_DOS
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13 #define INCL_DOSIOCTL
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14 #include <os2.h>
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15 #endif
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16
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17 #if defined(linux)
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18 #define HAS_MMAP_ANON
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19 #include <sys/types.h>
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20 #include <sys/mman.h>
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21 #include <asm/page.h> /* PAGE_SIZE */
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22 #define HAS_SC_PAGESIZE /* _SC_PAGESIZE may be an enum for Linux */
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23 #define HAS_GETPAGESIZE
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24 #endif /* linux */
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25
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26 #if defined(CSRG_BASED)
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27 #define HAS_MMAP_ANON
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28 #define HAS_GETPAGESIZE
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29 #include <sys/types.h>
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30 #include <sys/mman.h>
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31 #endif /* CSRG_BASED */
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32
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33 #if defined(DGUX)
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34 #define HAS_GETPAGESIZE
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35 #define MMAP_DEV_ZERO
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36 #include <sys/types.h>
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37 #include <sys/mman.h>
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38 #include <unistd.h>
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39 #endif /* DGUX */
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40
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41 #if defined(SVR4) && !defined(DGUX)
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42 #define MMAP_DEV_ZERO
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43 #include <sys/types.h>
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44 #include <sys/mman.h>
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45 #include <unistd.h>
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46 #endif /* SVR4 && !DGUX */
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47
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48 #if defined(sun) && !defined(SVR4) /* SunOS */
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49 #define MMAP_DEV_ZERO /* doesn't SunOS have MAP_ANON ?? */
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50 #define HAS_GETPAGESIZE
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51 #include <sys/types.h>
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52 #include <sys/mman.h>
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53 #endif /* sun && !SVR4 */
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54
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55 #ifdef XNO_SYSCONF
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56 #undef _SC_PAGESIZE
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57 #endif
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58
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59 #define NEED_EVENTS
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60 #define NEED_REPLIES
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61
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62 #include <X11/Xlibint.h>
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63 #include "../extensions/xf86dga.h"
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64 #include "../extensions/xf86dgastr.h"
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65 #include "../extensions/Xext.h"
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66 #include "../extensions/extutil.h"
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67
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68 extern XExtDisplayInfo *SDL_NAME(xdga_find_display) (Display *);
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69 extern char *SDL_NAME(xdga_extension_name);
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70
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71 #define XF86DGACheckExtension(dpy,i,val) \
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72 XextCheckExtension (dpy, i, SDL_NAME(xdga_extension_name), val)
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73
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74 /*****************************************************************************
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75 * *
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76 * public XFree86-DGA Extension routines *
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77 * *
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78 *****************************************************************************/
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79
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80 Bool SDL_NAME(XF86DGAQueryExtension) (Display * dpy,
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81 int *event_basep, int *error_basep)
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82 {
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83 return SDL_NAME(XDGAQueryExtension) (dpy, event_basep, error_basep);
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84 }
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85
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86 Bool SDL_NAME(XF86DGAQueryVersion) (Display * dpy,
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87 int *majorVersion, int *minorVersion)
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88 {
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89 return SDL_NAME(XDGAQueryVersion) (dpy, majorVersion, minorVersion);
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90 }
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91
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92 Bool SDL_NAME(XF86DGAGetVideoLL) (Display * dpy,
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93 int screen,
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94 int *offset,
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95 int *width, int *bank_size, int *ram_size)
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96 {
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97 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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98 xXF86DGAGetVideoLLReply rep;
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99 xXF86DGAGetVideoLLReq *req;
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100
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101 XF86DGACheckExtension(dpy, info, False);
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102
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103 LockDisplay(dpy);
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104 GetReq(XF86DGAGetVideoLL, req);
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105 req->reqType = info->codes->major_opcode;
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106 req->dgaReqType = X_XF86DGAGetVideoLL;
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107 req->screen = screen;
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108 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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109 UnlockDisplay(dpy);
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110 SyncHandle();
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111 return False;
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112 }
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113
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114 *offset = /*(char *) */ rep.offset;
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115 *width = rep.width;
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116 *bank_size = rep.bank_size;
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117 *ram_size = rep.ram_size;
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118
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119 UnlockDisplay(dpy);
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120 SyncHandle();
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121 return True;
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122 }
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123
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124
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125 Bool SDL_NAME(XF86DGADirectVideoLL) (Display * dpy, int screen, int enable)
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126 {
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127 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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128 xXF86DGADirectVideoReq *req;
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129
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130 XF86DGACheckExtension(dpy, info, False);
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131
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132 LockDisplay(dpy);
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133 GetReq(XF86DGADirectVideo, req);
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134 req->reqType = info->codes->major_opcode;
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135 req->dgaReqType = X_XF86DGADirectVideo;
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136 req->screen = screen;
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137 req->enable = enable;
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138 UnlockDisplay(dpy);
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139 SyncHandle();
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140 XSync(dpy, False);
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141 return True;
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142 }
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143
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144 Bool SDL_NAME(XF86DGAGetViewPortSize) (Display * dpy,
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145 int screen, int *width, int *height)
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146 {
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147 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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148 xXF86DGAGetViewPortSizeReply rep;
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149 xXF86DGAGetViewPortSizeReq *req;
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150
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151 XF86DGACheckExtension(dpy, info, False);
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152
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153 LockDisplay(dpy);
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154 GetReq(XF86DGAGetViewPortSize, req);
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155 req->reqType = info->codes->major_opcode;
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156 req->dgaReqType = X_XF86DGAGetViewPortSize;
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157 req->screen = screen;
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158 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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159 UnlockDisplay(dpy);
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160 SyncHandle();
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161 return False;
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162 }
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163
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164 *width = rep.width;
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165 *height = rep.height;
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166
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167 UnlockDisplay(dpy);
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168 SyncHandle();
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169 return True;
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170 }
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171
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172
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173 Bool SDL_NAME(XF86DGASetViewPort) (Display * dpy, int screen, int x, int y)
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174 {
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175 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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176 xXF86DGASetViewPortReq *req;
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177
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178 XF86DGACheckExtension(dpy, info, False);
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179
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180 LockDisplay(dpy);
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181 GetReq(XF86DGASetViewPort, req);
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182 req->reqType = info->codes->major_opcode;
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183 req->dgaReqType = X_XF86DGASetViewPort;
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184 req->screen = screen;
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185 req->x = x;
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186 req->y = y;
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187 UnlockDisplay(dpy);
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188 SyncHandle();
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189 XSync(dpy, False);
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190 return True;
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191 }
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192
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193
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194 Bool SDL_NAME(XF86DGAGetVidPage) (Display * dpy, int screen, int *vpage)
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195 {
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196 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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197 xXF86DGAGetVidPageReply rep;
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198 xXF86DGAGetVidPageReq *req;
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199
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200 XF86DGACheckExtension(dpy, info, False);
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201
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202 LockDisplay(dpy);
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203 GetReq(XF86DGAGetVidPage, req);
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204 req->reqType = info->codes->major_opcode;
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205 req->dgaReqType = X_XF86DGAGetVidPage;
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206 req->screen = screen;
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207 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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208 UnlockDisplay(dpy);
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209 SyncHandle();
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210 return False;
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211 }
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212
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213 *vpage = rep.vpage;
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214 UnlockDisplay(dpy);
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215 SyncHandle();
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216 return True;
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217 }
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218
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219
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220 Bool SDL_NAME(XF86DGASetVidPage) (Display * dpy, int screen, int vpage)
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221 {
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222 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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223 xXF86DGASetVidPageReq *req;
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224
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225 XF86DGACheckExtension(dpy, info, False);
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226
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227 LockDisplay(dpy);
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228 GetReq(XF86DGASetVidPage, req);
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229 req->reqType = info->codes->major_opcode;
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230 req->dgaReqType = X_XF86DGASetVidPage;
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231 req->screen = screen;
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232 req->vpage = vpage;
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233 UnlockDisplay(dpy);
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234 SyncHandle();
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235 XSync(dpy, False);
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236 return True;
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237 }
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238
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239 Bool SDL_NAME(XF86DGAInstallColormap) (Display * dpy,
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240 int screen, Colormap cmap)
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241 {
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242 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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243 xXF86DGAInstallColormapReq *req;
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244
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245 XF86DGACheckExtension(dpy, info, False);
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246
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247 LockDisplay(dpy);
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248 GetReq(XF86DGAInstallColormap, req);
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249 req->reqType = info->codes->major_opcode;
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250 req->dgaReqType = X_XF86DGAInstallColormap;
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251 req->screen = screen;
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252 req->id = cmap;
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253 UnlockDisplay(dpy);
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254 SyncHandle();
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255 XSync(dpy, False);
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256 return True;
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257 }
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258
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259 Bool SDL_NAME(XF86DGAQueryDirectVideo) (Display * dpy, int screen, int *flags)
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260 {
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261 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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262 xXF86DGAQueryDirectVideoReply rep;
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263 xXF86DGAQueryDirectVideoReq *req;
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264
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265 XF86DGACheckExtension(dpy, info, False);
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266
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267 LockDisplay(dpy);
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268 GetReq(XF86DGAQueryDirectVideo, req);
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269 req->reqType = info->codes->major_opcode;
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270 req->dgaReqType = X_XF86DGAQueryDirectVideo;
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271 req->screen = screen;
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272 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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273 UnlockDisplay(dpy);
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274 SyncHandle();
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275 return False;
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276 }
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277 *flags = rep.flags;
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278 UnlockDisplay(dpy);
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279 SyncHandle();
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280 return True;
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281 }
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282
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283 Bool SDL_NAME(XF86DGAViewPortChanged) (Display * dpy, int screen, int n)
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284 {
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285 XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
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286 xXF86DGAViewPortChangedReply rep;
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287 xXF86DGAViewPortChangedReq *req;
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288
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289 XF86DGACheckExtension(dpy, info, False);
292
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290
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291 LockDisplay(dpy);
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292 GetReq(XF86DGAViewPortChanged, req);
292
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293 req->reqType = info->codes->major_opcode;
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294 req->dgaReqType = X_XF86DGAViewPortChanged;
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295 req->screen = screen;
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296 req->n = n;
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297 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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298 UnlockDisplay(dpy);
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299 SyncHandle();
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300 return False;
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301 }
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302 UnlockDisplay(dpy);
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303 SyncHandle();
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304 return rep.result;
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305 }
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306
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307
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308
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309 /* Helper functions */
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310
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311 #include <X11/Xmd.h>
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312 #include "../extensions/xf86dga.h"
292
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313 #include <stdlib.h>
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314 #include <stdio.h>
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315 #include <fcntl.h>
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316 #if defined(ISC)
292
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317 # define HAS_SVR3_MMAP
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318 # include <sys/types.h>
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319 # include <errno.h>
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320
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321 # include <sys/at_ansi.h>
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322 # include <sys/kd.h>
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323
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324 # include <sys/sysmacros.h>
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325 # include <sys/immu.h>
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326 # include <sys/region.h>
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327
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328 # include <sys/mmap.h>
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329 #else
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330 # if !defined(Lynx)
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331 # if !defined(__EMX__)
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332 # include <sys/mman.h>
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333 # endif
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334 # else
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335 # include <sys/types.h>
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336 # include <errno.h>
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337 # include <smem.h>
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338 # endif
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339 #endif
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340 #include <sys/wait.h>
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341 #include <signal.h>
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342 #include <unistd.h>
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343
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344 #if defined(SVR4) && !defined(sun) && !defined(SCO325)
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345 #define DEV_MEM "/dev/pmem"
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346 #elif defined(SVR4) && defined(sun)
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347 #define DEV_MEM "/dev/xsvc"
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348 #else
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349 #define DEV_MEM "/dev/mem"
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350 #endif
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351
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352 typedef struct
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353 {
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354 unsigned long physaddr; /* actual requested physical address */
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355 unsigned long size; /* actual requested map size */
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356 unsigned long delta; /* delta to account for page alignment */
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357 void *vaddr; /* mapped address, without the delta */
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358 int refcount; /* reference count */
292
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359 } MapRec, *MapPtr;
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360
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361 typedef struct
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362 {
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363 Display *display;
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364 int screen;
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365 MapPtr map;
292
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366 } ScrRec, *ScrPtr;
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367
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
368 static int mapFd = -1;
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diff changeset
369 static int numMaps = 0;
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diff changeset
370 static int numScrs = 0;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
371 static MapPtr *mapList = NULL;
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diff changeset
372 static ScrPtr *scrList = NULL;
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373
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
374 static MapPtr
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375 AddMap(void)
292
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376 {
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diff changeset
377 MapPtr *old;
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378
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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379 old = mapList;
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380 mapList = realloc(mapList, sizeof(MapPtr) * (numMaps + 1));
292
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381 if (!mapList) {
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382 mapList = old;
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383 return NULL;
292
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diff changeset
384 }
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385 mapList[numMaps] = malloc(sizeof(MapRec));
292
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386 if (!mapList[numMaps])
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387 return NULL;
292
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388 return mapList[numMaps++];
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389 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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390
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
391 static ScrPtr
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392 AddScr(void)
292
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393 {
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diff changeset
394 ScrPtr *old;
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395
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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396 old = scrList;
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397 scrList = realloc(scrList, sizeof(ScrPtr) * (numScrs + 1));
292
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398 if (!scrList) {
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399 scrList = old;
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400 return NULL;
292
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diff changeset
401 }
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402 scrList[numScrs] = malloc(sizeof(ScrRec));
292
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diff changeset
403 if (!scrList[numScrs])
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404 return NULL;
292
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diff changeset
405 return scrList[numScrs++];
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diff changeset
406 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
407
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diff changeset
408 static MapPtr
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409 FindMap(unsigned long address, unsigned long size)
292
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diff changeset
410 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
411 int i;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
412
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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parents:
diff changeset
413 for (i = 0; i < numMaps; i++) {
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414 if (mapList[i]->physaddr == address && mapList[i]->size == size)
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415 return mapList[i];
292
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parents:
diff changeset
416 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
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diff changeset
417 return NULL;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 static ScrPtr
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
421 FindScr(Display * display, int screen)
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 int i;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 for (i = 0; i < numScrs; i++) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
426 if (scrList[i]->display == display && scrList[i]->screen == screen)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
427 return scrList[i];
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 return NULL;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 static void *
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
433 MapPhysAddress(unsigned long address, unsigned long size)
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 unsigned long offset, delta;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 int pagesize = -1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 void *vaddr;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 MapPtr mp;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 #if defined(ISC) && defined(HAS_SVR3_MMAP)
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 struct kd_memloc mloc;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 #elif defined(__EMX__)
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 APIRET rc;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 ULONG action;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 HFILE hfd;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
447 if ((mp = FindMap(address, size))) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
448 mp->refcount++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
449 return (void *) ((unsigned long) mp->vaddr + mp->delta);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 #if defined(_SC_PAGESIZE) && defined(HAS_SC_PAGESIZE)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
452 pagesize = sysconf(_SC_PAGESIZE);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 #ifdef _SC_PAGE_SIZE
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 if (pagesize == -1)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
456 pagesize = sysconf(_SC_PAGE_SIZE);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 #ifdef HAS_GETPAGESIZE
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 if (pagesize == -1)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
460 pagesize = getpagesize();
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 #ifdef PAGE_SIZE
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 if (pagesize == -1)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
464 pagesize = PAGE_SIZE;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 if (pagesize == -1)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
467 pagesize = 4096;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
469 delta = address % pagesize;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
470 offset = address - delta;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 #if defined(ISC) && defined(HAS_SVR3_MMAP)
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 if (mapFd < 0) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
474 if ((mapFd = open("/dev/mmap", O_RDWR)) < 0)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
475 return NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
477 mloc.vaddr = (char *) 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
478 mloc.physaddr = (char *) offset;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 mloc.length = size + delta;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
480 mloc.ioflg = 1;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
482 if ((vaddr = (void *) ioctl(mapFd, MAP, &mloc)) == (void *) -1)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
483 return NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 #elif defined (__EMX__)
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 /*
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 * Dragon warning here! /dev/pmap$ is never closed, except on progam exit.
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 * Consecutive calling of this routine will make PMAP$ driver run out
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 * of memory handles. Some umap/close mechanism should be provided
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 */
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
491 rc = DosOpen("/dev/pmap$", &hfd, &action, 0, FILE_NORMAL, FILE_OPEN,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
492 OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE, (PEAOP2) NULL);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 if (rc != 0)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1599
diff changeset
494 return NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
496 struct map_ioctl
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
497 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
498 union
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
499 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
500 ULONG phys;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
501 void *user;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
502 } a;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
503 ULONG size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
504 } pmap, dmap;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
505 ULONG plen, dlen;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 #define XFREE86_PMAP 0x76
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 #define PMAP_MAP 0x44
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
509 pmap.a.phys = offset;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
510 pmap.size = size + delta;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
511 rc = DosDevIOCtl(hfd, XFREE86_PMAP, PMAP_MAP,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
512 (PULONG) & pmap, sizeof(pmap), &plen,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
513 (PULONG) & dmap, sizeof(dmap), &dlen);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
514 if (rc == 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
515 vaddr = dmap.a.user;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
516 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
517 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
518 if (rc != 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
519 return NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 #elif defined (Lynx)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
521 vaddr = (void *) smem_create("XF86DGA", (char *) offset,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
522 size + delta, SM_READ | SM_WRITE);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 #else
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 #ifndef MAP_FILE
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 #define MAP_FILE 0
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 if (mapFd < 0) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
528 if ((mapFd = open(DEV_MEM, O_RDWR)) < 0)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
529 return NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 }
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
531 vaddr = (void *) mmap(NULL, size + delta, PROT_READ | PROT_WRITE,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
532 MAP_FILE | MAP_SHARED, mapFd, (off_t) offset);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
533 if (vaddr == (void *) -1)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
534 return NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 if (!vaddr) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
538 if (!(mp = AddMap()))
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
539 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
540 mp->physaddr = address;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
541 mp->size = size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
542 mp->delta = delta;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
543 mp->vaddr = vaddr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
544 mp->refcount = 1;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
546 return (void *) ((unsigned long) vaddr + delta);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 /*
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 * Still need to find a clean way of detecting the death of a DGA app
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 * and returning things to normal - Jon
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 * This is here to help debugging without rebooting... Also C-A-BS
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 * should restore text mode.
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 */
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
556 int SDL_NAME(XF86DGAForkApp) (int screen)
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 pid_t pid;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 int status;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 int i;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
562 /* fork the app, parent hangs around to clean up */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
563 if ((pid = fork()) > 0) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
564 ScrPtr sp;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
566 waitpid(pid, &status, 0);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
567 for (i = 0; i < numScrs; i++) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
568 sp = scrList[i];
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
569 SDL_NAME(XF86DGADirectVideoLL) (sp->display, sp->screen, 0);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
570 XSync(sp->display, False);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
571 }
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
572 if (WIFEXITED(status))
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
573 _exit(0);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
574 else
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff changeset
575 _exit(-1);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 return pid;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
581 Bool SDL_NAME(XF86DGADirectVideo) (Display * dis, int screen, int enable)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
582 {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 ScrPtr sp;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 MapPtr mp = NULL;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
586 if ((sp = FindScr(dis, screen)))
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
587 mp = sp->map;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589 if (enable & XF86DGADirectGraphics) {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590 #if !defined(ISC) && !defined(HAS_SVR3_MMAP) && !defined(Lynx) \
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
591 && !defined(__EMX__)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
592 if (mp && mp->vaddr)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
593 mprotect(mp->vaddr, mp->size + mp->delta, PROT_READ | PROT_WRITE);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 } else {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 #if !defined(ISC) && !defined(HAS_SVR3_MMAP) && !defined(Lynx) \
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
597 && !defined(__EMX__)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
598 if (mp && mp->vaddr)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
599 mprotect(mp->vaddr, mp->size + mp->delta, PROT_READ);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
600 #elif defined(Lynx)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
601 /* XXX this doesn't allow enable after disable */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
602 smem_create(NULL, mp->vaddr, mp->size + mp->delta, SM_DETACH);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
603 smem_remove("XF86DGA");
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
604 #endif
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
605 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
606
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
607 SDL_NAME(XF86DGADirectVideoLL) (dis, screen, enable);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
608 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
609 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
610
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
612 static void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
613 XF86cleanup(int sig)
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
614 {
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615 ScrPtr sp;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 int i;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 static char beenhere = 0;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
618
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 if (beenhere)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
620 _exit(3);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 beenhere = 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 for (i = 0; i < numScrs; i++) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
624 sp = scrList[i];
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
625 SDL_NAME(XF86DGADirectVideo) (sp->display, sp->screen, 0);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
626 XSync(sp->display, False);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 }
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
628 _exit(3);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
630
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 Bool
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
632 SDL_NAME(XF86DGAGetVideo) (Display * dis,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
633 int screen,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
634 char **addr, int *width, int *bank, int *ram)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
635 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
636 /*unsigned long */ int offset;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 static int beenHere = 0;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 ScrPtr sp;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 MapPtr mp;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
641 if (!(sp = FindScr(dis, screen))) {
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
642 if (!(sp = AddScr())) {
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
643 fprintf(stderr, "XF86DGAGetVideo: malloc failure\n");
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
644 exit(-2);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
645 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
646 sp->display = dis;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
647 sp->screen = screen;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
648 sp->map = NULL;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
651 SDL_NAME(XF86DGAGetVideoLL) (dis, screen, &offset, width, bank, ram);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
653 *addr = MapPhysAddress(offset, *bank);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654 if (*addr == NULL) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
655 fprintf(stderr,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
656 "XF86DGAGetVideo: failed to map video memory (%s)\n",
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
657 strerror(errno));
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
658 exit(-2);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
661 if ((mp = FindMap(offset, *bank)))
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
662 sp->map = mp;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664 if (!beenHere) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
665 beenHere = 1;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
666 atexit((void (*)(void)) XF86cleanup);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
667 /* one shot XF86cleanup attempts */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
668 signal(SIGSEGV, XF86cleanup);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 #ifdef SIGBUS
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
670 signal(SIGBUS, XF86cleanup);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 #endif
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
672 signal(SIGHUP, XF86cleanup);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
673 signal(SIGFPE, XF86cleanup);
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 return 1;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677 }
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1599
diff changeset
679 /* vi: set ts=4 sw=4 expandtab: */