| e14743d1 |
1 | /* $XFree86: xc/lib/Xxf86dga/XF86DGA2.c,v 1.18 2001/08/17 13:27:51 dawes Exp $ */ |
| 2 | /* |
| 3 | |
| 4 | Copyright (c) 1995 Jon Tombs |
| 5 | Copyright (c) 1995,1996 The XFree86 Project, Inc |
| 6 | |
| 7 | */ |
| 8 | |
| 9 | /* THIS IS NOT AN X CONSORTIUM STANDARD */ |
| 10 | |
| 11 | #ifdef __EMX__ /* needed here to override certain constants in X headers */ |
| 12 | #define INCL_DOS |
| 13 | #define INCL_DOSIOCTL |
| 14 | #include <os2.h> |
| 15 | #endif |
| 16 | |
| 17 | #define NEED_EVENTS |
| 18 | #define NEED_REPLIES |
| 19 | |
| 20 | /* Apparently some X11 systems can't include this multiple times... */ |
| 21 | #ifndef SDL_INCLUDED_XLIBINT_H |
| 22 | #define SDL_INCLUDED_XLIBINT_H 1 |
| 23 | #include <X11/Xlibint.h> |
| 24 | #endif |
| 25 | |
| 26 | #include "../extensions/xf86dga.h" |
| 27 | #include "../extensions/xf86dgastr.h" |
| 28 | #include "../extensions/Xext.h" |
| 29 | #include "../extensions/extutil.h" |
| 30 | #include <stdio.h> |
| 31 | |
| 32 | #if defined(ENABLE_FBCON) /* Needed for framebuffer console support */ |
| 33 | #include <sys/ioctl.h> |
| 34 | #include <linux/fb.h> |
| 35 | #endif |
| 36 | |
| 37 | /* If you change this, change the Bases[] array below as well */ |
| 38 | #define MAX_HEADS 16 |
| 39 | |
| 40 | char *SDL_NAME(xdga_extension_name) = XF86DGANAME; |
| 41 | |
| 42 | static XExtensionInfo _xdga_info_data; |
| 43 | static XExtensionInfo *xdga_info = &_xdga_info_data; |
| 44 | |
| 45 | |
| 46 | Bool SDL_NAME(XDGAMapFramebuffer)(int, char *, unsigned char*, CARD32, CARD32, CARD32); |
| 47 | void SDL_NAME(XDGAUnmapFramebuffer)(int); |
| 48 | unsigned char* SDL_NAME(XDGAGetMappedMemory)(int); |
| 49 | |
| 50 | #define XDGACheckExtension(dpy,i,val) \ |
| 51 | XextCheckExtension (dpy, i, SDL_NAME(xdga_extension_name), val) |
| 52 | |
| 53 | /***************************************************************************** |
| 54 | * * |
| 55 | * private utility routines * |
| 56 | * * |
| 57 | *****************************************************************************/ |
| 58 | |
| 59 | static int xdga_close_display(Display *dpy, XExtCodes *codes); |
| 60 | static Bool xdga_wire_to_event(Display *dpy, XEvent *event, xEvent *wire_ev); |
| 61 | static Status xdga_event_to_wire(Display *dpy, XEvent *event, xEvent *wire_ev); |
| 62 | |
| 63 | static XExtensionHooks xdga_extension_hooks = { |
| 64 | NULL, /* create_gc */ |
| 65 | NULL, /* copy_gc */ |
| 66 | NULL, /* flush_gc */ |
| 67 | NULL, /* free_gc */ |
| 68 | NULL, /* create_font */ |
| 69 | NULL, /* free_font */ |
| 70 | xdga_close_display, /* close_display */ |
| 71 | xdga_wire_to_event, /* wire_to_event */ |
| 72 | xdga_event_to_wire, /* event_to_wire */ |
| 73 | NULL, /* error */ |
| 74 | NULL, /* error_string */ |
| 75 | }; |
| 76 | |
| 77 | static XEXT_GENERATE_CLOSE_DISPLAY (xdga_close_display, xdga_info) |
| 78 | |
| 79 | |
| 80 | XEXT_GENERATE_FIND_DISPLAY (SDL_NAME(xdga_find_display), xdga_info, |
| 81 | "XFree86-DGA", |
| 82 | &xdga_extension_hooks, |
| 83 | 0, NULL) |
| 84 | |
| 85 | |
| 86 | static Status |
| 87 | xdga_event_to_wire( |
| 88 | Display *dpy, |
| 89 | XEvent *event, |
| 90 | xEvent *wire_ev |
| 91 | ){ |
| 92 | return True; |
| 93 | } |
| 94 | |
| 95 | static Bool |
| 96 | xdga_wire_to_event( |
| 97 | Display *dpy, |
| 98 | XEvent *event, |
| 99 | xEvent *wire_ev |
| 100 | ){ |
| 101 | dgaEvent *wire = (dgaEvent *) wire_ev; |
| 102 | SDL_NAME(XDGAButtonEvent) *bevent; |
| 103 | SDL_NAME(XDGAKeyEvent) *kevent; |
| 104 | SDL_NAME(XDGAMotionEvent) *mevent; |
| 105 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 106 | |
| 107 | XDGACheckExtension (dpy, info, False); |
| 108 | |
| 109 | switch((wire->u.u.type & 0x7f) - info->codes->first_event) { |
| 110 | case MotionNotify: |
| 111 | mevent = (SDL_NAME(XDGAMotionEvent)*)event; |
| 112 | mevent->type = wire->u.u.type & 0x7F; |
| 113 | mevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *)wire); |
| 114 | mevent->display = dpy; |
| 115 | mevent->screen = wire->u.event.screen; |
| 116 | mevent->time = wire->u.event.time; |
| 117 | mevent->state = wire->u.event.state; |
| 118 | mevent->dx = wire->u.event.dx; |
| 119 | mevent->dy = wire->u.event.dy; |
| 120 | return True; |
| 121 | case ButtonPress: |
| 122 | case ButtonRelease: |
| 123 | bevent = (SDL_NAME(XDGAButtonEvent)*)event; |
| 124 | bevent->type = wire->u.u.type & 0x7F; |
| 125 | bevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *)wire); |
| 126 | bevent->display = dpy; |
| 127 | bevent->screen = wire->u.event.screen; |
| 128 | bevent->time = wire->u.event.time; |
| 129 | bevent->state = wire->u.event.state; |
| 130 | bevent->button = wire->u.u.detail; |
| 131 | return True; |
| 132 | case KeyPress: |
| 133 | case KeyRelease: |
| 134 | kevent = (SDL_NAME(XDGAKeyEvent)*)event; |
| 135 | kevent->type = wire->u.u.type & 0x7F; |
| 136 | kevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *)wire); |
| 137 | kevent->display = dpy; |
| 138 | kevent->screen = wire->u.event.screen; |
| 139 | kevent->time = wire->u.event.time; |
| 140 | kevent->state = wire->u.event.state; |
| 141 | kevent->keycode = wire->u.u.detail; |
| 142 | return True; |
| 143 | } |
| 144 | |
| 145 | return False; |
| 146 | } |
| 147 | |
| 148 | |
| 149 | Bool SDL_NAME(XDGAQueryExtension) ( |
| 150 | Display *dpy, |
| 151 | int *event_basep, |
| 152 | int *error_basep |
| 153 | ){ |
| 154 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 155 | |
| 156 | if (XextHasExtension(info)) { |
| 157 | *event_basep = info->codes->first_event; |
| 158 | *error_basep = info->codes->first_error; |
| 159 | return True; |
| 160 | } else { |
| 161 | return False; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | |
| 166 | Bool SDL_NAME(XDGAQueryVersion)( |
| 167 | Display *dpy, |
| 168 | int *majorVersion, |
| 169 | int *minorVersion |
| 170 | ){ |
| 171 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 172 | xXDGAQueryVersionReply rep; |
| 173 | xXDGAQueryVersionReq *req; |
| 174 | |
| 175 | XDGACheckExtension (dpy, info, False); |
| 176 | |
| 177 | LockDisplay(dpy); |
| 178 | GetReq(XDGAQueryVersion, req); |
| 179 | req->reqType = info->codes->major_opcode; |
| 180 | req->dgaReqType = X_XDGAQueryVersion; |
| 181 | if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { |
| 182 | UnlockDisplay(dpy); |
| 183 | SyncHandle(); |
| 184 | return False; |
| 185 | } |
| 186 | *majorVersion = rep.majorVersion; |
| 187 | *minorVersion = rep.minorVersion; |
| 188 | UnlockDisplay(dpy); |
| 189 | SyncHandle(); |
| 190 | if (*majorVersion >= 2) |
| 191 | { |
| 192 | int i, j; |
| 193 | |
| 194 | for (i = 0, j = info->codes->first_event; |
| 195 | i < XF86DGANumberEvents; |
| 196 | i++, j++) |
| 197 | { |
| 198 | XESetWireToEvent(dpy, j, xdga_wire_to_event); |
| 199 | XESetEventToWire(dpy, j, xdga_event_to_wire); |
| 200 | } |
| 201 | SDL_NAME(XDGASetClientVersion)(dpy); |
| 202 | } |
| 203 | return True; |
| 204 | } |
| 205 | |
| 206 | Bool SDL_NAME(XDGASetClientVersion)( |
| 207 | Display *dpy |
| 208 | ){ |
| 209 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 210 | xXDGASetClientVersionReq *req; |
| 211 | |
| 212 | XDGACheckExtension (dpy, info, False); |
| 213 | |
| 214 | LockDisplay(dpy); |
| 215 | GetReq(XDGASetClientVersion, req); |
| 216 | req->reqType = info->codes->major_opcode; |
| 217 | req->dgaReqType = X_XDGASetClientVersion; |
| 218 | req->major = XDGA_MAJOR_VERSION; |
| 219 | req->minor = XDGA_MINOR_VERSION; |
| 220 | UnlockDisplay(dpy); |
| 221 | SyncHandle(); |
| 222 | return True; |
| 223 | } |
| 224 | |
| 225 | Bool SDL_NAME(XDGAOpenFramebuffer)( |
| 226 | Display *dpy, |
| 227 | int screen |
| 228 | ){ |
| 229 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 230 | xXDGAOpenFramebufferReply rep; |
| 231 | xXDGAOpenFramebufferReq *req; |
| 232 | char *deviceName = NULL; |
| 233 | Bool ret; |
| 234 | |
| 235 | XDGACheckExtension (dpy, info, False); |
| 236 | |
| 237 | LockDisplay(dpy); |
| 238 | GetReq(XDGAOpenFramebuffer, req); |
| 239 | req->reqType = info->codes->major_opcode; |
| 240 | req->dgaReqType = X_XDGAOpenFramebuffer; |
| 241 | req->screen = screen; |
| 242 | if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { |
| 243 | UnlockDisplay(dpy); |
| 244 | SyncHandle(); |
| 245 | return False; |
| 246 | } |
| 247 | |
| 248 | if(rep.length) { |
| 249 | deviceName = Xmalloc(rep.length << 2); |
| 250 | _XRead(dpy, deviceName, rep.length << 2); |
| 251 | } |
| 252 | |
| 253 | ret = SDL_NAME(XDGAMapFramebuffer)(screen, deviceName, |
| 254 | (unsigned char*)(long)rep.mem1, |
| 255 | rep.size, rep.offset, rep.extra); |
| 256 | |
| 257 | if(deviceName) |
| 258 | Xfree(deviceName); |
| 259 | |
| 260 | UnlockDisplay(dpy); |
| 261 | SyncHandle(); |
| 262 | return ret; |
| 263 | } |
| 264 | |
| 265 | void SDL_NAME(XDGACloseFramebuffer)( |
| 266 | Display *dpy, |
| 267 | int screen |
| 268 | ){ |
| 269 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 270 | xXDGACloseFramebufferReq *req; |
| 271 | |
| 272 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 273 | |
| 274 | SDL_NAME(XDGAUnmapFramebuffer)(screen); |
| 275 | |
| 276 | LockDisplay(dpy); |
| 277 | GetReq(XDGACloseFramebuffer, req); |
| 278 | req->reqType = info->codes->major_opcode; |
| 279 | req->dgaReqType = X_XDGACloseFramebuffer; |
| 280 | req->screen = screen; |
| 281 | UnlockDisplay(dpy); |
| 282 | SyncHandle(); |
| 283 | } |
| 284 | |
| 285 | |
| 286 | |
| 287 | SDL_NAME(XDGAMode)* SDL_NAME(XDGAQueryModes)( |
| 288 | Display *dpy, |
| 289 | int screen, |
| 290 | int *num |
| 291 | ){ |
| 292 | XExtDisplayInfo *dinfo = SDL_NAME(xdga_find_display) (dpy); |
| 293 | xXDGAQueryModesReply rep; |
| 294 | xXDGAQueryModesReq *req; |
| 295 | SDL_NAME(XDGAMode) *modes = NULL; |
| 296 | |
| 297 | *num = 0; |
| 298 | |
| 299 | XDGACheckExtension (dpy, dinfo, NULL); |
| 300 | |
| 301 | LockDisplay(dpy); |
| 302 | GetReq(XDGAQueryModes, req); |
| 303 | req->reqType = dinfo->codes->major_opcode; |
| 304 | req->dgaReqType = X_XDGAQueryModes; |
| 305 | req->screen = screen; |
| 306 | |
| 307 | if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) { |
| 308 | if(rep.length) { |
| 309 | xXDGAModeInfo info; |
| 310 | int i, size; |
| 311 | char *offset; |
| 312 | |
| 313 | size = rep.length << 2; |
| 314 | size -= rep.number * sz_xXDGAModeInfo; /* find text size */ |
| 315 | modes = (SDL_NAME(XDGAMode)*)Xmalloc((rep.number * sizeof(SDL_NAME(XDGAMode))) + size); |
| 316 | offset = (char*)(&modes[rep.number]); /* start of text */ |
| 317 | |
| 318 | |
| 319 | if(modes) { |
| 320 | for(i = 0; i < rep.number; i++) { |
| 321 | _XRead(dpy, (char*)(&info), sz_xXDGAModeInfo); |
| 322 | |
| 323 | modes[i].num = info.num; |
| 324 | modes[i].verticalRefresh = |
| 325 | (float)info.vsync_num / (float)info.vsync_den; |
| 326 | modes[i].flags = info.flags; |
| 327 | modes[i].imageWidth = info.image_width; |
| 328 | modes[i].imageHeight = info.image_height; |
| 329 | modes[i].pixmapWidth = info.pixmap_width; |
| 330 | modes[i].pixmapHeight = info.pixmap_height; |
| 331 | modes[i].bytesPerScanline = info.bytes_per_scanline; |
| 332 | modes[i].byteOrder = info.byte_order; |
| 333 | modes[i].depth = info.depth; |
| 334 | modes[i].bitsPerPixel = info.bpp; |
| 335 | modes[i].redMask = info.red_mask; |
| 336 | modes[i].greenMask = info.green_mask; |
| 337 | modes[i].blueMask = info.blue_mask; |
| 338 | modes[i].visualClass = info.visual_class; |
| 339 | modes[i].viewportWidth = info.viewport_width; |
| 340 | modes[i].viewportHeight = info.viewport_height; |
| 341 | modes[i].xViewportStep = info.viewport_xstep; |
| 342 | modes[i].yViewportStep = info.viewport_ystep; |
| 343 | modes[i].maxViewportX = info.viewport_xmax; |
| 344 | modes[i].maxViewportY = info.viewport_ymax; |
| 345 | modes[i].viewportFlags = info.viewport_flags; |
| 346 | modes[i].reserved1 = info.reserved1; |
| 347 | modes[i].reserved2 = info.reserved2; |
| 348 | |
| 349 | _XRead(dpy, offset, info.name_size); |
| 350 | modes[i].name = offset; |
| 351 | offset += info.name_size; |
| 352 | } |
| 353 | *num = rep.number; |
| 354 | } else |
| 355 | _XEatData(dpy, rep.length << 2); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | UnlockDisplay(dpy); |
| 360 | SyncHandle(); |
| 361 | |
| 362 | return modes; |
| 363 | } |
| 364 | |
| 365 | |
| 366 | SDL_NAME(XDGADevice) * |
| 367 | SDL_NAME(XDGASetMode)( |
| 368 | Display *dpy, |
| 369 | int screen, |
| 370 | int mode |
| 371 | ){ |
| 372 | XExtDisplayInfo *dinfo = SDL_NAME(xdga_find_display) (dpy); |
| 373 | xXDGASetModeReply rep; |
| 374 | xXDGASetModeReq *req; |
| 375 | SDL_NAME(XDGADevice) *dev = NULL; |
| 376 | Pixmap pid; |
| 377 | |
| 378 | XDGACheckExtension (dpy, dinfo, NULL); |
| 379 | |
| 380 | LockDisplay(dpy); |
| 381 | GetReq(XDGASetMode, req); |
| 382 | req->reqType = dinfo->codes->major_opcode; |
| 383 | req->dgaReqType = X_XDGASetMode; |
| 384 | req->screen = screen; |
| 385 | req->mode = mode; |
| 386 | req->pid = pid = XAllocID(dpy); |
| 387 | |
| 388 | if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) { |
| 389 | if(rep.length) { |
| 390 | xXDGAModeInfo info; |
| 391 | int size; |
| 392 | |
| 393 | size = rep.length << 2; |
| 394 | size -= sz_xXDGAModeInfo; /* get text size */ |
| 395 | |
| 396 | dev = (SDL_NAME(XDGADevice)*)Xmalloc(sizeof(SDL_NAME(XDGADevice)) + size); |
| 397 | |
| 398 | if(dev) { |
| 399 | _XRead(dpy, (char*)(&info), sz_xXDGAModeInfo); |
| 400 | |
| 401 | dev->mode.num = info.num; |
| 402 | dev->mode.verticalRefresh = |
| 403 | (float)info.vsync_num / (float)info.vsync_den; |
| 404 | dev->mode.flags = info.flags; |
| 405 | dev->mode.imageWidth = info.image_width; |
| 406 | dev->mode.imageHeight = info.image_height; |
| 407 | dev->mode.pixmapWidth = info.pixmap_width; |
| 408 | dev->mode.pixmapHeight = info.pixmap_height; |
| 409 | dev->mode.bytesPerScanline = info.bytes_per_scanline; |
| 410 | dev->mode.byteOrder = info.byte_order; |
| 411 | dev->mode.depth = info.depth; |
| 412 | dev->mode.bitsPerPixel = info.bpp; |
| 413 | dev->mode.redMask = info.red_mask; |
| 414 | dev->mode.greenMask = info.green_mask; |
| 415 | dev->mode.blueMask = info.blue_mask; |
| 416 | dev->mode.visualClass = info.visual_class; |
| 417 | dev->mode.viewportWidth = info.viewport_width; |
| 418 | dev->mode.viewportHeight = info.viewport_height; |
| 419 | dev->mode.xViewportStep = info.viewport_xstep; |
| 420 | dev->mode.yViewportStep = info.viewport_ystep; |
| 421 | dev->mode.maxViewportX = info.viewport_xmax; |
| 422 | dev->mode.maxViewportY = info.viewport_ymax; |
| 423 | dev->mode.viewportFlags = info.viewport_flags; |
| 424 | dev->mode.reserved1 = info.reserved1; |
| 425 | dev->mode.reserved2 = info.reserved2; |
| 426 | |
| 427 | dev->mode.name = (char*)(&dev[1]); |
| 428 | _XRead(dpy, dev->mode.name, info.name_size); |
| 429 | |
| 430 | dev->pixmap = (rep.flags & XDGAPixmap) ? pid : 0; |
| 431 | dev->data = SDL_NAME(XDGAGetMappedMemory)(screen); |
| 432 | |
| 433 | if(dev->data) |
| 434 | dev->data += rep.offset; |
| 435 | } |
| 436 | /* not sure what to do if the allocation fails */ |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | UnlockDisplay(dpy); |
| 441 | SyncHandle(); |
| 442 | |
| 443 | return dev; |
| 444 | } |
| 445 | |
| 446 | |
| 447 | void SDL_NAME(XDGASetViewport)( |
| 448 | Display *dpy, |
| 449 | int screen, |
| 450 | int x, |
| 451 | int y, |
| 452 | int flags |
| 453 | ){ |
| 454 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 455 | xXDGASetViewportReq *req; |
| 456 | |
| 457 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 458 | |
| 459 | LockDisplay(dpy); |
| 460 | GetReq(XDGASetViewport, req); |
| 461 | req->reqType = info->codes->major_opcode; |
| 462 | req->dgaReqType = X_XDGASetViewport; |
| 463 | req->screen = screen; |
| 464 | req->x = x; |
| 465 | req->y = y; |
| 466 | req->flags = flags; |
| 467 | UnlockDisplay(dpy); |
| 468 | SyncHandle(); |
| 469 | } |
| 470 | |
| 471 | |
| 472 | void SDL_NAME(XDGAInstallColormap)( |
| 473 | Display *dpy, |
| 474 | int screen, |
| 475 | Colormap cmap |
| 476 | ){ |
| 477 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 478 | xXDGAInstallColormapReq *req; |
| 479 | |
| 480 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 481 | |
| 482 | LockDisplay(dpy); |
| 483 | GetReq(XDGAInstallColormap, req); |
| 484 | req->reqType = info->codes->major_opcode; |
| 485 | req->dgaReqType = X_XDGAInstallColormap; |
| 486 | req->screen = screen; |
| 487 | req->cmap = cmap; |
| 488 | UnlockDisplay(dpy); |
| 489 | SyncHandle(); |
| 490 | } |
| 491 | |
| 492 | void SDL_NAME(XDGASelectInput)( |
| 493 | Display *dpy, |
| 494 | int screen, |
| 495 | long mask |
| 496 | ){ |
| 497 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 498 | xXDGASelectInputReq *req; |
| 499 | |
| 500 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 501 | |
| 502 | LockDisplay(dpy); |
| 503 | GetReq(XDGASelectInput, req); |
| 504 | req->reqType = info->codes->major_opcode; |
| 505 | req->dgaReqType = X_XDGASelectInput; |
| 506 | req->screen = screen; |
| 507 | req->mask = mask; |
| 508 | UnlockDisplay(dpy); |
| 509 | SyncHandle(); |
| 510 | } |
| 511 | |
| 512 | void SDL_NAME(XDGAFillRectangle)( |
| 513 | Display *dpy, |
| 514 | int screen, |
| 515 | int x, |
| 516 | int y, |
| 517 | unsigned int width, |
| 518 | unsigned int height, |
| 519 | unsigned long color |
| 520 | ){ |
| 521 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 522 | xXDGAFillRectangleReq *req; |
| 523 | |
| 524 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 525 | |
| 526 | LockDisplay(dpy); |
| 527 | GetReq(XDGAFillRectangle, req); |
| 528 | req->reqType = info->codes->major_opcode; |
| 529 | req->dgaReqType = X_XDGAFillRectangle; |
| 530 | req->screen = screen; |
| 531 | req->x = x; |
| 532 | req->y = y; |
| 533 | req->width = width; |
| 534 | req->height = height; |
| 535 | req->color = color; |
| 536 | UnlockDisplay(dpy); |
| 537 | SyncHandle(); |
| 538 | } |
| 539 | |
| 540 | void SDL_NAME(XDGACopyArea)( |
| 541 | Display *dpy, |
| 542 | int screen, |
| 543 | int srcx, |
| 544 | int srcy, |
| 545 | unsigned int width, |
| 546 | unsigned int height, |
| 547 | int dstx, |
| 548 | int dsty |
| 549 | ){ |
| 550 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 551 | xXDGACopyAreaReq *req; |
| 552 | |
| 553 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 554 | |
| 555 | LockDisplay(dpy); |
| 556 | GetReq(XDGACopyArea, req); |
| 557 | req->reqType = info->codes->major_opcode; |
| 558 | req->dgaReqType = X_XDGACopyArea; |
| 559 | req->screen = screen; |
| 560 | req->srcx = srcx; |
| 561 | req->srcy = srcy; |
| 562 | req->width = width; |
| 563 | req->height = height; |
| 564 | req->dstx = dstx; |
| 565 | req->dsty = dsty; |
| 566 | UnlockDisplay(dpy); |
| 567 | SyncHandle(); |
| 568 | } |
| 569 | |
| 570 | void SDL_NAME(XDGACopyTransparentArea)( |
| 571 | Display *dpy, |
| 572 | int screen, |
| 573 | int srcx, |
| 574 | int srcy, |
| 575 | unsigned int width, |
| 576 | unsigned int height, |
| 577 | int dstx, |
| 578 | int dsty, |
| 579 | unsigned long key |
| 580 | ){ |
| 581 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 582 | xXDGACopyTransparentAreaReq *req; |
| 583 | |
| 584 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 585 | |
| 586 | LockDisplay(dpy); |
| 587 | GetReq(XDGACopyTransparentArea, req); |
| 588 | req->reqType = info->codes->major_opcode; |
| 589 | req->dgaReqType = X_XDGACopyTransparentArea; |
| 590 | req->screen = screen; |
| 591 | req->srcx = srcx; |
| 592 | req->srcy = srcy; |
| 593 | req->width = width; |
| 594 | req->height = height; |
| 595 | req->dstx = dstx; |
| 596 | req->dsty = dsty; |
| 597 | req->key = key; |
| 598 | UnlockDisplay(dpy); |
| 599 | SyncHandle(); |
| 600 | } |
| 601 | |
| 602 | |
| 603 | int SDL_NAME(XDGAGetViewportStatus)( |
| 604 | Display *dpy, |
| 605 | int screen |
| 606 | ){ |
| 607 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 608 | xXDGAGetViewportStatusReply rep; |
| 609 | xXDGAGetViewportStatusReq *req; |
| 610 | int status = 0; |
| 611 | |
| 612 | XDGACheckExtension (dpy, info, 0); |
| 613 | |
| 614 | LockDisplay(dpy); |
| 615 | GetReq(XDGAGetViewportStatus, req); |
| 616 | req->reqType = info->codes->major_opcode; |
| 617 | req->dgaReqType = X_XDGAGetViewportStatus; |
| 618 | req->screen = screen; |
| 619 | if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) |
| 620 | status = rep.status; |
| 621 | UnlockDisplay(dpy); |
| 622 | SyncHandle(); |
| 623 | return status; |
| 624 | } |
| 625 | |
| 626 | void SDL_NAME(XDGASync)( |
| 627 | Display *dpy, |
| 628 | int screen |
| 629 | ){ |
| 630 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 631 | xXDGASyncReply rep; |
| 632 | xXDGASyncReq *req; |
| 633 | |
| 634 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 635 | |
| 636 | LockDisplay(dpy); |
| 637 | GetReq(XDGASync, req); |
| 638 | req->reqType = info->codes->major_opcode; |
| 639 | req->dgaReqType = X_XDGASync; |
| 640 | req->screen = screen; |
| 641 | _XReply(dpy, (xReply *)&rep, 0, xFalse); |
| 642 | UnlockDisplay(dpy); |
| 643 | SyncHandle(); |
| 644 | } |
| 645 | |
| 646 | |
| 647 | void SDL_NAME(XDGAChangePixmapMode)( |
| 648 | Display *dpy, |
| 649 | int screen, |
| 650 | int *x, |
| 651 | int *y, |
| 652 | int mode |
| 653 | ){ |
| 654 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 655 | xXDGAChangePixmapModeReq *req; |
| 656 | xXDGAChangePixmapModeReply rep; |
| 657 | |
| 658 | XextSimpleCheckExtension (dpy, info, SDL_NAME(xdga_extension_name)); |
| 659 | |
| 660 | LockDisplay(dpy); |
| 661 | GetReq(XDGAChangePixmapMode, req); |
| 662 | req->reqType = info->codes->major_opcode; |
| 663 | req->dgaReqType = X_XDGAChangePixmapMode; |
| 664 | req->screen = screen; |
| 665 | req->x = *x; |
| 666 | req->y = *y; |
| 667 | req->flags = mode; |
| 668 | _XReply(dpy, (xReply *)&rep, 0, xFalse); |
| 669 | *x = rep.x; |
| 670 | *y = rep.y; |
| 671 | UnlockDisplay(dpy); |
| 672 | SyncHandle(); |
| 673 | } |
| 674 | |
| 675 | Colormap SDL_NAME(XDGACreateColormap)( |
| 676 | Display *dpy, |
| 677 | int screen, |
| 678 | SDL_NAME(XDGADevice) *dev, |
| 679 | int alloc |
| 680 | ){ |
| 681 | XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy); |
| 682 | xXDGACreateColormapReq *req; |
| 683 | Colormap cid; |
| 684 | |
| 685 | XDGACheckExtension (dpy, info, -1); |
| 686 | |
| 687 | LockDisplay(dpy); |
| 688 | GetReq(XDGACreateColormap, req); |
| 689 | req->reqType = info->codes->major_opcode; |
| 690 | req->dgaReqType = X_XDGACreateColormap; |
| 691 | req->screen = screen; |
| 692 | req->mode = dev->mode.num; |
| 693 | req->alloc = alloc; |
| 694 | cid = req->id = XAllocID(dpy); |
| 695 | UnlockDisplay(dpy); |
| 696 | SyncHandle(); |
| 697 | |
| 698 | return cid; |
| 699 | } |
| 700 | |
| 701 | |
| 702 | void SDL_NAME(XDGAKeyEventToXKeyEvent)( |
| 703 | SDL_NAME(XDGAKeyEvent)* dk, |
| 704 | XKeyEvent* xk |
| 705 | ){ |
| 706 | xk->type = dk->type; |
| 707 | xk->serial = dk->serial; |
| 708 | xk->send_event = False; |
| 709 | xk->display = dk->display; |
| 710 | xk->window = RootWindow(dk->display, dk->screen); |
| 711 | xk->root = xk->window; |
| 712 | xk->subwindow = None; |
| 713 | xk->time = dk->time; |
| 714 | xk->x = xk->y = xk->x_root = xk->y_root = 0; |
| 715 | xk->state = dk->state; |
| 716 | xk->keycode = dk->keycode; |
| 717 | xk->same_screen = True; |
| 718 | } |
| 719 | |
| 720 | #include <X11/Xmd.h> |
| 721 | #include <stdlib.h> |
| 722 | #include <stdio.h> |
| 723 | #include <fcntl.h> |
| 724 | #if defined(ISC) |
| 725 | # define HAS_SVR3_MMAP |
| 726 | # include <sys/types.h> |
| 727 | # include <errno.h> |
| 728 | |
| 729 | # include <sys/at_ansi.h> |
| 730 | # include <sys/kd.h> |
| 731 | |
| 732 | # include <sys/sysmacros.h> |
| 733 | # include <sys/immu.h> |
| 734 | # include <sys/region.h> |
| 735 | |
| 736 | # include <sys/mmap.h> |
| 737 | #else |
| 738 | # if !defined(Lynx) |
| 739 | # if !defined(__EMX__) |
| 740 | # include <sys/mman.h> |
| 741 | # endif |
| 742 | # else |
| 743 | # include <sys/types.h> |
| 744 | # include <errno.h> |
| 745 | # include <smem.h> |
| 746 | # endif |
| 747 | #endif |
| 748 | #include <sys/wait.h> |
| 749 | #include <signal.h> |
| 750 | #include <unistd.h> |
| 751 | |
| 752 | #if defined(SVR4) && !defined(sun) && !defined(SCO325) |
| 753 | #define DEV_MEM "/dev/pmem" |
| 754 | #elif defined(SVR4) && defined(sun) |
| 755 | #define DEV_MEM "/dev/xsvc" |
| 756 | #else |
| 757 | #define DEV_MEM "/dev/mem" |
| 758 | #endif |
| 759 | |
| 760 | |
| 761 | |
| 762 | typedef struct _DGAMapRec{ |
| 763 | unsigned char *physical; |
| 764 | unsigned char *virtual; |
| 765 | CARD32 size; |
| 766 | int fd; |
| 767 | int screen; |
| 768 | struct _DGAMapRec *next; |
| 769 | } DGAMapRec, *DGAMapPtr; |
| 770 | |
| 771 | static Bool |
| 772 | DGAMapPhysical(int, char*, unsigned char*, CARD32, CARD32, CARD32, DGAMapPtr); |
| 773 | static void DGAUnmapPhysical(DGAMapPtr); |
| 774 | |
| 775 | static DGAMapPtr _Maps = NULL; |
| 776 | |
| 777 | |
| 778 | unsigned char* |
| 779 | SDL_NAME(XDGAGetMappedMemory)(int screen) |
| 780 | { |
| 781 | DGAMapPtr pMap = _Maps; |
| 782 | unsigned char *pntr = NULL; |
| 783 | |
| 784 | while(pMap != NULL) { |
| 785 | if(pMap->screen == screen) { |
| 786 | pntr = pMap->virtual; |
| 787 | break; |
| 788 | } |
| 789 | pMap = pMap->next; |
| 790 | } |
| 791 | |
| 792 | return pntr; |
| 793 | } |
| 794 | |
| 795 | Bool |
| 796 | SDL_NAME(XDGAMapFramebuffer)( |
| 797 | int screen, |
| 798 | char *name, /* optional device name */ |
| 799 | unsigned char* base, /* physical memory */ |
| 800 | CARD32 size, /* size */ |
| 801 | CARD32 offset, /* optional offset */ |
| 802 | CARD32 extra /* optional extra data */ |
| 803 | ){ |
| 804 | DGAMapPtr pMap = _Maps; |
| 805 | Bool result; |
| 806 | |
| 807 | /* is it already mapped ? */ |
| 808 | while(pMap != NULL) { |
| 809 | if(pMap->screen == screen) |
| 810 | return True; |
| 811 | pMap = pMap->next; |
| 812 | } |
| 813 | |
| 814 | if(extra & XDGANeedRoot) { |
| 815 | /* we should probably check if we have root permissions and |
| 816 | return False here */ |
| 817 | |
| 818 | } |
| 819 | |
| 820 | pMap = (DGAMapPtr)Xmalloc(sizeof(DGAMapRec)); |
| 821 | |
| 822 | result = DGAMapPhysical(screen, name, base, size, offset, extra, pMap); |
| 823 | |
| 824 | if(result) { |
| 825 | pMap->next = _Maps; |
| 826 | _Maps = pMap; |
| 827 | } else |
| 828 | Xfree(pMap); |
| 829 | |
| 830 | return result; |
| 831 | } |
| 832 | |
| 833 | void |
| 834 | SDL_NAME(XDGAUnmapFramebuffer)(int screen) |
| 835 | { |
| 836 | DGAMapPtr pMap = _Maps; |
| 837 | DGAMapPtr pPrev = NULL; |
| 838 | |
| 839 | /* is it already mapped */ |
| 840 | while(pMap != NULL) { |
| 841 | if(pMap->screen == screen) |
| 842 | break; |
| 843 | pPrev = pMap; |
| 844 | pMap = pMap->next; |
| 845 | } |
| 846 | |
| 847 | if(!pMap) |
| 848 | return; |
| 849 | |
| 850 | DGAUnmapPhysical(pMap); |
| 851 | |
| 852 | if(!pPrev) |
| 853 | _Maps = pMap->next; |
| 854 | else |
| 855 | pPrev->next = pMap->next; |
| 856 | |
| 857 | Xfree(pMap); |
| 858 | } |
| 859 | |
| 860 | |
| 861 | static Bool |
| 862 | DGAMapPhysical( |
| 863 | int screen, |
| 864 | char *name, /* optional device name */ |
| 865 | unsigned char* base, /* physical memory */ |
| 866 | CARD32 size, /* size */ |
| 867 | CARD32 offset, /* optional offset */ |
| 868 | CARD32 extra, /* optional extra data */ |
| 869 | DGAMapPtr pMap |
| 870 | ) { |
| 871 | #if defined(ISC) && defined(HAS_SVR3_MMAP) |
| 872 | struct kd_memloc mloc; |
| 873 | #elif defined(__EMX__) |
| 874 | APIRET rc; |
| 875 | ULONG action; |
| 876 | HFILE hfd; |
| 877 | #endif |
| 878 | |
| 879 | base += offset; |
| 880 | |
| 881 | pMap->screen = screen; |
| 882 | pMap->physical = base; |
| 883 | pMap->size = size; |
| 884 | |
| 885 | #if defined(ISC) && defined(HAS_SVR3_MMAP) |
| 886 | if ((pMap->fd = open("/dev/mmap", O_RDWR)) < 0) |
| 887 | return False; |
| 888 | mloc.vaddr = (char *)0; |
| 889 | mloc.physaddr = (char *)base; |
| 890 | mloc.length = size; |
| 891 | mloc.ioflg=1; |
| 892 | |
| 893 | if ((pMap->virtual = (void *)ioctl(pMap->fd, MAP, &mloc)) == (void *)-1) |
| 894 | return False; |
| 895 | #elif defined (__EMX__) |
| 896 | /* |
| 897 | * Dragon warning here! /dev/pmap$ is never closed, except on progam exit. |
| 898 | * Consecutive calling of this routine will make PMAP$ driver run out |
| 899 | * of memory handles. Some umap/close mechanism should be provided |
| 900 | */ |
| 901 | |
| 902 | rc = DosOpen("/dev/pmap$", &hfd, &action, 0, FILE_NORMAL, FILE_OPEN, |
| 903 | OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE, (PEAOP2)NULL); |
| 904 | if (rc != 0) |
| 905 | return False; |
| 906 | { |
| 907 | struct map_ioctl { |
| 908 | union { |
| 909 | ULONG phys; |
| 910 | void* user; |
| 911 | } a; |
| 912 | ULONG size; |
| 913 | } pmap,dmap; |
| 914 | ULONG plen,dlen; |
| 915 | #define XFREE86_PMAP 0x76 |
| 916 | #define PMAP_MAP 0x44 |
| 917 | |
| 918 | pmap.a.phys = base; |
| 919 | pmap.size = size; |
| 920 | rc = DosDevIOCtl(hfd, XFREE86_PMAP, PMAP_MAP, |
| 921 | (PULONG)&pmap, sizeof(pmap), &plen, |
| 922 | (PULONG)&dmap, sizeof(dmap), &dlen); |
| 923 | if (rc == 0) { |
| 924 | pMap->virtual = dmap.a.user; |
| 925 | } |
| 926 | } |
| 927 | if (rc != 0) |
| 928 | return False; |
| 929 | #elif defined (Lynx) |
| 930 | pMap->virtual = smem_create("XF86DGA", (char*)base, size, SM_READ|SM_WRITE); |
| 931 | #else |
| 932 | #ifndef MAP_FILE |
| 933 | #define MAP_FILE 0 |
| 934 | #endif |
| 935 | if (!name) |
| 936 | name = DEV_MEM; |
| 937 | if ((pMap->fd = open(name, O_RDWR)) < 0) |
| 938 | #if defined(ENABLE_FBCON) |
| 939 | { /* /dev/fb0 fallback added by Sam Lantinga <hercules@lokigames.com> */ |
| 940 | /* Try to fall back to /dev/fb on Linux - FIXME: verify the device */ |
| 941 | struct fb_fix_screeninfo finfo; |
| 942 | |
| 943 | if ((pMap->fd = open("/dev/fb0", O_RDWR)) < 0) { |
| 944 | return False; |
| 945 | } |
| 946 | /* The useable framebuffer console memory may not be the whole |
| 947 | framebuffer that X has access to. :-( |
| 948 | */ |
| 949 | if ( ioctl(pMap->fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) { |
| 950 | close(pMap->fd); |
| 951 | return False; |
| 952 | } |
| 953 | /* Warning: On PPC, the size and virtual need to be offset by: |
| 954 | (((long)finfo.smem_start) - |
| 955 | (((long)finfo.smem_start)&~(PAGE_SIZE-1))) |
| 956 | */ |
| 957 | base = 0; |
| 958 | size = pMap->size = finfo.smem_len; |
| 959 | } |
| 960 | #else |
| 961 | return False; |
| 962 | #endif |
| 963 | pMap->virtual = mmap(NULL, size, PROT_READ | PROT_WRITE, |
| 964 | MAP_FILE | MAP_SHARED, pMap->fd, (off_t)base); |
| 965 | if (pMap->virtual == (void *)-1) |
| 966 | return False; |
| 967 | #endif |
| 968 | |
| 969 | #if !defined(ISC) && !defined(HAS_SVR3_MMAP) && !defined(Lynx) \ |
| 970 | && !defined(__EMX__) |
| 971 | mprotect(pMap->virtual, size, PROT_READ | PROT_WRITE); |
| 972 | #endif |
| 973 | |
| 974 | return True; |
| 975 | } |
| 976 | |
| 977 | |
| 978 | |
| 979 | static void |
| 980 | DGAUnmapPhysical(DGAMapPtr pMap) |
| 981 | { |
| 982 | #if !defined(ISC) && !defined(HAS_SVR3_MMAP) && !defined(Lynx) \ |
| 983 | && !defined(__EMX__) |
| 984 | mprotect(pMap->virtual,pMap->size, PROT_READ); |
| 985 | #elif defined(Lynx) |
| 986 | /* XXX this doesn't allow enable after disable */ |
| 987 | smem_create(NULL, pMap->virtual, pMap->size, SM_DETACH); |
| 988 | smem_remove("XF86DGA"); |
| 989 | #endif |
| 990 | |
| 991 | |
| 992 | /* We need to unmap and close too !!!!!!!!!!*/ |
| 993 | } |
notaz.gp2x.de / sdl_omap.git / blame