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1.1 root 1: // Emacs style mode select -*- C++ -*-
2: //-----------------------------------------------------------------------------
3: //
4: // $Id:$
5: //
6: // Copyright (C) 1993-1996 by id Software, Inc.
7: //
1.1.1.3 ! root 8: // This source is available for distribution and/or modification
! 9: // only under the terms of the DOOM Source Code License as
! 10: // published by id Software. All rights reserved.
1.1 root 11: //
1.1.1.3 ! root 12: // The source is distributed in the hope that it will be useful,
1.1 root 13: // but WITHOUT ANY WARRANTY; without even the implied warranty of
1.1.1.3 ! root 14: // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
! 15: // for more details.
1.1 root 16: //
17: // $Log:$
18: //
19: // DESCRIPTION:
20: // DOOM graphics stuff for X11, UNIX.
21: //
22: //-----------------------------------------------------------------------------
23:
24: static const char
25: rcsid[] = "$Id: i_x.c,v 1.6 1997/02/03 22:45:10 b1 Exp $";
26:
27: #include <stdlib.h>
1.1.1.3 ! root 28: //#include <unistd.h>
! 29: //#include <sys/ipc.h>
! 30: //#include <sys/shm.h>
! 31:
! 32: //#include <X11/Xlib.h>
! 33: //#include <X11/Xutil.h>
! 34: //#include <X11/keysym.h>
! 35:
! 36: //#include <X11/extensions/XShm.h>
! 37: // Had to dig up XShm.c for this one.
! 38: // It is in the libXext, but not in the XFree86 headers.
! 39: #ifdef LINUX
! 40: int XShmGetEventBase( Display* dpy ); // problems with g++?
! 41: #endif
! 42:
1.1 root 43: #include <stdarg.h>
1.1.1.3 ! root 44: #include <time.h>
1.1 root 45: #include <sys/types.h>
1.1.1.3 ! root 46: //#include <sys/socket.h>
1.1 root 47:
1.1.1.3 ! root 48: //#include <netinet/in.h>
! 49: //#include <errnos.h>
1.1 root 50: #include <signal.h>
1.1.1.3 ! root 51: #include <ddraw.h>
1.1.1.2 root 52:
1.1 root 53: #include "doomstat.h"
54: #include "i_system.h"
55: #include "v_video.h"
56: #include "m_argv.h"
57: #include "d_main.h"
58:
59: #include "doomdef.h"
60:
1.1.1.3 ! root 61: #define POINTER_WARP_COUNTDOWN 1
1.1.1.2 root 62:
1.1.1.3 ! root 63: //FIXME
! 64: void RenderScene(void);
1.1 root 65:
1.1.1.3 ! root 66: /*
! 67: Display* X_display=0;
! 68: Window X_mainWindow;
! 69: Colormap X_cmap;
! 70: Visual* X_visual;
! 71: GC X_gc;
! 72: XEvent X_event;
! 73: int X_screen;
! 74: XVisualInfo X_visualinfo;
! 75: XImage* image;
! 76: int X_width;
! 77: int X_height;
! 78: // MIT SHared Memory extension.
! 79: boolean doShm;
! 80:
! 81:
! 82: XShmSegmentInfo X_shminfo;
! 83: int X_shmeventtype;
! 84:
! 85: int doPointerWarp = POINTER_WARP_COUNTDOWN;
! 86: */
! 87: // Fake mouse handling.
! 88: // This cannot work properly w/o DGA.
! 89: // Needs an invisible mouse cursor at least.
! 90: boolean grabMouse;
! 91: // Blocky mode,
! 92: // replace each 320x200 pixel with multiply*multiply pixels.
! 93: // According to Dave Taylor, it still is a bonehead thing
! 94: // to use ....
! 95: static int multiply=1;
1.1 root 96:
97:
1.1.1.3 ! root 98: //
! 99: // Translates the key currently in X_event
! 100: //
1.1 root 101:
1.1.1.3 ! root 102: int xlatekey(void)
1.1 root 103: {
1.1.1.3 ! root 104: /*
! 105: int rc;
1.1 root 106:
1.1.1.3 ! root 107: switch(rc = XKeycodeToKeysym(X_display, X_event.xkey.keycode, 0))
! 108: {
! 109: case XK_Left: rc = KEY_LEFTARROW; break;
! 110: case XK_Right: rc = KEY_RIGHTARROW; break;
! 111: case XK_Down: rc = KEY_DOWNARROW; break;
! 112: case XK_Up: rc = KEY_UPARROW; break;
! 113: case XK_Escape: rc = KEY_ESCAPE; break;
! 114: case XK_Return: rc = KEY_ENTER; break;
! 115: case XK_Tab: rc = KEY_TAB; break;
! 116: case XK_F1: rc = KEY_F1; break;
! 117: case XK_F2: rc = KEY_F2; break;
! 118: case XK_F3: rc = KEY_F3; break;
! 119: case XK_F4: rc = KEY_F4; break;
! 120: case XK_F5: rc = KEY_F5; break;
! 121: case XK_F6: rc = KEY_F6; break;
! 122: case XK_F7: rc = KEY_F7; break;
! 123: case XK_F8: rc = KEY_F8; break;
! 124: case XK_F9: rc = KEY_F9; break;
! 125: case XK_F10: rc = KEY_F10; break;
! 126: case XK_F11: rc = KEY_F11; break;
! 127: case XK_F12: rc = KEY_F12; break;
! 128:
! 129: case XK_BackSpace:
! 130: case XK_Delete: rc = KEY_BACKSPACE; break;
! 131:
! 132: case XK_Pause: rc = KEY_PAUSE; break;
! 133:
! 134: case XK_KP_Equal:
! 135: case XK_equal: rc = KEY_EQUALS; break;
! 136:
! 137: case XK_KP_Subtract:
! 138: case XK_minus: rc = KEY_MINUS; break;
! 139:
! 140: case XK_Shift_L:
! 141: case XK_Shift_R:
! 142: rc = KEY_RSHIFT;
! 143: break;
! 144:
! 145: case XK_Control_L:
! 146: case XK_Control_R:
! 147: rc = KEY_RCTRL;
! 148: break;
! 149:
! 150: case XK_Alt_L:
! 151: case XK_Meta_L:
! 152: case XK_Alt_R:
! 153: case XK_Meta_R:
! 154: rc = KEY_RALT;
! 155: break;
! 156:
! 157: default:
! 158: if (rc >= XK_space && rc <= XK_asciitilde)
! 159: rc = rc - XK_space + ' ';
! 160: if (rc >= 'A' && rc <= 'Z')
! 161: rc = rc - 'A' + 'a';
! 162: break;
! 163: }
! 164: return rc;
! 165: */
! 166: return 0;
1.1 root 167:
1.1.1.3 ! root 168: }
1.1 root 169:
170: void I_ShutdownGraphics(void)
171: {
1.1.1.3 ! root 172: /*
! 173: // Detach from X server
! 174: if (!XShmDetach(X_display, &X_shminfo))
! 175: I_Error("XShmDetach() failed in I_ShutdownGraphics()");
! 176:
! 177: // Release shared memory.
! 178: shmdt(X_shminfo.shmaddr);
! 179: shmctl(X_shminfo.shmid, IPC_RMID, 0);
! 180:
! 181: // Paranoia.
! 182: image->data = NULL;
! 183: */
1.1 root 184: }
185:
186:
187:
188: //
189: // I_StartFrame
190: //
191: void I_StartFrame (void)
192: {
193: // er?
194:
195: }
196:
1.1.1.3 ! root 197: static int lastmousex = 0;
! 198: static int lastmousey = 0;
! 199: boolean mousemoved = false;
! 200: boolean shmFinished;
1.1 root 201:
1.1.1.3 ! root 202: void I_GetEvent(void)
! 203: {
! 204: /*
! 205: event_t event;
! 206:
! 207: // put event-grabbing stuff in here
! 208: XNextEvent(X_display, &X_event);
! 209: switch (X_event.type)
1.1.1.2 root 210: {
1.1.1.3 ! root 211: case KeyPress:
! 212: event.type = ev_keydown;
! 213: event.data1 = xlatekey();
! 214: D_PostEvent(&event);
! 215: // fprintf(stderr, "k");
! 216: break;
! 217: case KeyRelease:
! 218: event.type = ev_keyup;
! 219: event.data1 = xlatekey();
! 220: D_PostEvent(&event);
! 221: // fprintf(stderr, "ku");
! 222: break;
! 223: case ButtonPress:
! 224: event.type = ev_mouse;
! 225: event.data1 =
! 226: (X_event.xbutton.state & Button1Mask)
! 227: | (X_event.xbutton.state & Button2Mask ? 2 : 0)
! 228: | (X_event.xbutton.state & Button3Mask ? 4 : 0)
! 229: | (X_event.xbutton.button == Button1)
! 230: | (X_event.xbutton.button == Button2 ? 2 : 0)
! 231: | (X_event.xbutton.button == Button3 ? 4 : 0);
! 232: event.data2 = event.data3 = 0;
! 233: D_PostEvent(&event);
! 234: // fprintf(stderr, "b");
! 235: break;
! 236: case ButtonRelease:
! 237: event.type = ev_mouse;
! 238: event.data1 =
! 239: (X_event.xbutton.state & Button1Mask)
! 240: | (X_event.xbutton.state & Button2Mask ? 2 : 0)
! 241: | (X_event.xbutton.state & Button3Mask ? 4 : 0);
! 242: // suggest parentheses around arithmetic in operand of |
! 243: event.data1 =
! 244: event.data1
! 245: ^ (X_event.xbutton.button == Button1 ? 1 : 0)
! 246: ^ (X_event.xbutton.button == Button2 ? 2 : 0)
! 247: ^ (X_event.xbutton.button == Button3 ? 4 : 0);
! 248: event.data2 = event.data3 = 0;
! 249: D_PostEvent(&event);
! 250: // fprintf(stderr, "bu");
! 251: break;
! 252: case MotionNotify:
! 253: event.type = ev_mouse;
! 254: event.data1 =
! 255: (X_event.xmotion.state & Button1Mask)
! 256: | (X_event.xmotion.state & Button2Mask ? 2 : 0)
! 257: | (X_event.xmotion.state & Button3Mask ? 4 : 0);
! 258: event.data2 = (X_event.xmotion.x - lastmousex) << 2;
! 259: event.data3 = (lastmousey - X_event.xmotion.y) << 2;
! 260:
! 261: if (event.data2 || event.data3)
! 262: {
! 263: lastmousex = X_event.xmotion.x;
! 264: lastmousey = X_event.xmotion.y;
! 265: if (X_event.xmotion.x != X_width/2 &&
! 266: X_event.xmotion.y != X_height/2)
! 267: {
! 268: D_PostEvent(&event);
! 269: // fprintf(stderr, "m");
! 270: mousemoved = false;
! 271: } else
! 272: {
! 273: mousemoved = true;
! 274: }
! 275: }
! 276: break;
! 277:
! 278: case Expose:
! 279: case ConfigureNotify:
! 280: break;
! 281:
! 282: default:
! 283: if (doShm && X_event.type == X_shmeventtype) shmFinished = true;
! 284: break;
1.1 root 285: }
1.1.1.2 root 286:
1.1.1.3 ! root 287: */
! 288: }
1.1 root 289:
1.1.1.3 ! root 290: /*
! 291: Cursor
! 292: createnullcursor
! 293: ( Display* display,
! 294: Window root )
! 295: {
! 296: Pixmap cursormask;
! 297: XGCValues xgc;
! 298: GC gc;
! 299: XColor dummycolour;
! 300: Cursor cursor;
! 301:
! 302: cursormask = XCreatePixmap(display, root, 1, 1, 1 ); // depth
! 303: xgc.function = GXclear;
! 304: gc = XCreateGC(display, cursormask, GCFunction, &xgc);
! 305: XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
! 306: dummycolour.pixel = 0;
! 307: dummycolour.red = 0;
! 308: dummycolour.flags = 04;
! 309: cursor = XCreatePixmapCursor(display, cursormask, cursormask,
! 310: &dummycolour,&dummycolour, 0,0);
! 311: XFreePixmap(display,cursormask);
! 312: XFreeGC(display,gc);
! 313: return cursor;
! 314: }
! 315: */
1.1 root 316:
317: //
318: // I_StartTic
319: //
1.1.1.3 ! root 320: void I_StartTic (void)
! 321: {
! 322: /*
! 323: if (!X_display)
! 324: return;
! 325: while (XPending(X_display))
! 326: */
! 327: // 11.4.98 dlw UNUSED EMPTY FUNCTION: I_GetEvent();
! 328:
! 329: /*
! 330: // Warp the pointer back to the middle of the window
! 331: // or it will wander off - that is, the game will
! 332: // loose input focus within X11.
! 333: if (grabMouse)
! 334: {
! 335: if (!--doPointerWarp)
! 336: {
! 337: XWarpPointer( X_display,
! 338: None,
! 339: X_mainWindow,
! 340: 0, 0,
! 341: 0, 0,
! 342: X_width/2, X_height/2);
1.1 root 343:
1.1.1.3 ! root 344: doPointerWarp = POINTER_WARP_COUNTDOWN;
! 345: }
! 346: }
! 347: */
1.1 root 348:
1.1.1.3 ! root 349: //mousemoved = false;
! 350: }
1.1 root 351:
352:
353: //
354: // I_UpdateNoBlit
355: //
356: void I_UpdateNoBlit (void)
357: {
358: // what is this?
359: }
360:
1.1.1.3 ! root 361: //
! 362: // I_FinishUpdate
! 363: //
! 364: char MsgText[256];
! 365: void WriteDebug(char *);
! 366:
1.1.1.2 root 367: void I_FinishUpdate(void)
1.1.1.3 ! root 368: {
! 369: /* 11.4.98 Unused so kill a couple bytes from exe
! 370:
! 371: static int lasttic;
1.1 root 372: int tics;
373: int i;
374: // UNUSED static unsigned char *bigscreen=0;
375:
376: // draws little dots on the bottom of the screen
377: if (devparm)
378: {
1.1.1.3 ! root 379: i = I_GetTime();
! 380: tics = i - lasttic;
! 381: lasttic = i;
! 382: if (tics > 20) tics = 20;
! 383:
! 384: for (i = 0; i < tics*2; i += 2)
! 385: screens[0][ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0xff;
! 386: // for ( ; i < 20*2; i += 2) multiply?? dlw
! 387: for ( ; i < 40; i += 2)
! 388: screens[0][ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0x0;
! 389: }
! 390: RenderScene();
! 391:
! 392: 11.4.98 */
! 393:
! 394:
! 395: /*
! 396:
! 397: // scales the screen size before blitting it
! 398: if (multiply == 2)
! 399: {
! 400: unsigned int *olineptrs[2];
! 401: unsigned int *ilineptr;
! 402: int x, y, i;
! 403: unsigned int twoopixels;
! 404: unsigned int twomoreopixels;
! 405: unsigned int fouripixels;
! 406:
! 407: ilineptr = (unsigned int *) (screens[0]);
! 408: for (i=0 ; i<2 ; i++)
! 409: olineptrs[i] = (unsigned int *) &image->data[i*X_width];
! 410:
! 411: y = SCREENHEIGHT;
! 412: while (y--)
! 413: {
! 414: x = SCREENWIDTH;
! 415: do
! 416: {
! 417: fouripixels = *ilineptr++;
! 418: twoopixels = (fouripixels & 0xff000000)
! 419: | ((fouripixels>>8) & 0xffff00)
! 420: | ((fouripixels>>16) & 0xff);
! 421: twomoreopixels = ((fouripixels<<16) & 0xff000000)
! 422: | ((fouripixels<<8) & 0xffff00)
! 423: | (fouripixels & 0xff);
! 424: #ifdef __BIG_ENDIAN__
! 425: *olineptrs[0]++ = twoopixels;
! 426: *olineptrs[1]++ = twoopixels;
! 427: *olineptrs[0]++ = twomoreopixels;
! 428: *olineptrs[1]++ = twomoreopixels;
! 429: #else
! 430: *olineptrs[0]++ = twomoreopixels;
! 431: *olineptrs[1]++ = twomoreopixels;
! 432: *olineptrs[0]++ = twoopixels;
! 433: *olineptrs[1]++ = twoopixels;
! 434: #endif
! 435: } while (x-=4);
! 436: olineptrs[0] += X_width/4;
! 437: olineptrs[1] += X_width/4;
! 438: }
! 439:
! 440: }
! 441: else if (multiply == 3)
! 442: {
! 443: unsigned int *olineptrs[3];
! 444: unsigned int *ilineptr;
! 445: int x, y, i;
! 446: unsigned int fouropixels[3];
! 447: unsigned int fouripixels;
! 448:
! 449: ilineptr = (unsigned int *) (screens[0]);
! 450: for (i=0 ; i<3 ; i++)
! 451: olineptrs[i] = (unsigned int *) &image->data[i*X_width];
! 452:
! 453: y = SCREENHEIGHT;
! 454: while (y--)
! 455: {
! 456: x = SCREENWIDTH;
! 457: do
! 458: {
! 459: fouripixels = *ilineptr++;
! 460: fouropixels[0] = (fouripixels & 0xff000000)
! 461: | ((fouripixels>>8) & 0xff0000)
! 462: | ((fouripixels>>16) & 0xffff);
! 463: fouropixels[1] = ((fouripixels<<8) & 0xff000000)
! 464: | (fouripixels & 0xffff00)
! 465: | ((fouripixels>>8) & 0xff);
! 466: fouropixels[2] = ((fouripixels<<16) & 0xffff0000)
! 467: | ((fouripixels<<8) & 0xff00)
! 468: | (fouripixels & 0xff);
! 469: #ifdef __BIG_ENDIAN__
! 470: *olineptrs[0]++ = fouropixels[0];
! 471: *olineptrs[1]++ = fouropixels[0];
! 472: *olineptrs[2]++ = fouropixels[0];
! 473: *olineptrs[0]++ = fouropixels[1];
! 474: *olineptrs[1]++ = fouropixels[1];
! 475: *olineptrs[2]++ = fouropixels[1];
! 476: *olineptrs[0]++ = fouropixels[2];
! 477: *olineptrs[1]++ = fouropixels[2];
! 478: *olineptrs[2]++ = fouropixels[2];
! 479: #else
! 480: *olineptrs[0]++ = fouropixels[2];
! 481: *olineptrs[1]++ = fouropixels[2];
! 482: *olineptrs[2]++ = fouropixels[2];
! 483: *olineptrs[0]++ = fouropixels[1];
! 484: *olineptrs[1]++ = fouropixels[1];
! 485: *olineptrs[2]++ = fouropixels[1];
! 486: *olineptrs[0]++ = fouropixels[0];
! 487: *olineptrs[1]++ = fouropixels[0];
! 488: *olineptrs[2]++ = fouropixels[0];
! 489: #endif
! 490: } while (x-=4);
! 491: olineptrs[0] += 2*X_width/4;
! 492: olineptrs[1] += 2*X_width/4;
! 493: olineptrs[2] += 2*X_width/4;
! 494: }
1.1 root 495:
496: }
1.1.1.3 ! root 497: else if (multiply == 4)
! 498: {
! 499: // Broken. Gotta fix this some day.
! 500: void Expand4(unsigned *, double *);
! 501: Expand4 ((unsigned *)(screens[0]), (double *) (image->data));
! 502: }
! 503:
! 504: if (doShm)
! 505: {
! 506:
! 507: if (!XShmPutImage( X_display,
! 508: X_mainWindow,
! 509: X_gc,
! 510: image,
! 511: 0, 0,
! 512: 0, 0,
! 513: X_width, X_height,
! 514: True ))
! 515: I_Error("XShmPutImage() failed\n");
! 516:
! 517: // wait for it to finish and processes all input events
! 518: shmFinished = false;
! 519: do
! 520: {
! 521: I_GetEvent();
! 522: } while (!shmFinished);
! 523:
! 524: }
! 525: else
! 526: {
! 527:
! 528: // draw the image
! 529: XPutImage( X_display,
! 530: X_mainWindow,
! 531: X_gc,
! 532: image,
! 533: 0, 0,
! 534: 0, 0,
! 535: X_width, X_height );
! 536:
! 537: // sync up with server
! 538: XSync(X_display, False);
! 539:
! 540: }
! 541: */
! 542: }
1.1 root 543:
544:
545: //
546: // I_ReadScreen
547: //
548: void I_ReadScreen (byte* scr)
549: {
1.1.1.3 ! root 550: // original id code - page flipped??
! 551: memcpy(scr, screens[0], SCREENMULT);
! 552: }
! 553:
! 554: extern LPDIRECTDRAWPALETTE lpPalette;
! 555:
! 556: //
! 557: // Palette stuff.
! 558: //
! 559: //
! 560: // I_SetPalette
! 561: //
! 562: void I_SetPalette(byte* palette)
! 563: {
! 564: PALETTEENTRY pe[256];
! 565: int i;
! 566:
! 567: for (i = 0; i < 256; i++)
! 568: {
! 569: pe[i].peRed = gammatable[usegamma][*palette++];
! 570: pe[i].peGreen = gammatable[usegamma][*palette++];
! 571: pe[i].peBlue = gammatable[usegamma][*palette++];
! 572: }
! 573: if (lpPalette != 0)
! 574: lpPalette->lpVtbl->SetEntries(lpPalette, 0, 0, 256, pe);
1.1 root 575: }
576:
1.1.1.3 ! root 577: /*
! 578: //
! 579: // This function is probably redundant,
! 580: // if XShmDetach works properly.
! 581: // ddt never detached the XShm memory,
! 582: // thus there might have been stale
! 583: // handles accumulating.
! 584: //
! 585: void grabsharedmemory(int size)
! 586: {
1.1 root 587:
1.1.1.3 ! root 588: int key = ('d'<<24) | ('o'<<16) | ('o'<<8) | 'm';
! 589: struct shmid_ds shminfo;
! 590: int minsize = 320*200;
! 591: int id;
! 592: int rc;
! 593: // UNUSED int done=0;
! 594: int pollution=5;
! 595:
! 596: // try to use what was here before
! 597: do
! 598: {
! 599: id = shmget((key_t) key, minsize, 0777); // just get the id
! 600: if (id != -1)
! 601: {
! 602: rc=shmctl(id, IPC_STAT, &shminfo); // get stats on it
! 603: if (!rc)
! 604: {
! 605: if (shminfo.shm_nattch)
! 606: {
! 607: fprintf(stderr, "User %d appears to be running "
! 608: "DOOM. Is that wise?\n", shminfo.shm_cpid);
! 609: key++;
! 610: }
! 611: else
! 612: {
! 613: if (getuid() == shminfo.shm_perm.cuid)
! 614: {
! 615: rc = shmctl(id, IPC_RMID, 0);
! 616: if (!rc)
! 617: fprintf(stderr,
! 618: "Was able to kill my old shared memory\n");
! 619: else
! 620: I_Error("Was NOT able to kill my old shared memory");
! 621:
! 622: id = shmget((key_t)key, size, IPC_CREAT|0777);
! 623: if (id==-1)
! 624: I_Error("Could not get shared memory");
! 625:
! 626: rc=shmctl(id, IPC_STAT, &shminfo);
! 627:
! 628: break;
! 629:
! 630: }
! 631: if (size >= shminfo.shm_segsz)
! 632: {
! 633: fprintf(stderr,
! 634: "will use %d's stale shared memory\n",
! 635: shminfo.shm_cpid);
! 636: break;
! 637: }
! 638: else
! 639: {
! 640: fprintf(stderr,
! 641: "warning: can't use stale "
! 642: "shared memory belonging to id %d, "
! 643: "key=0x%x\n",
! 644: shminfo.shm_cpid, key);
! 645: key++;
! 646: }
! 647: }
! 648: }
! 649: else
! 650: {
! 651: I_Error("could not get stats on key=%d", key);
! 652: }
! 653: }
! 654: else
! 655: {
! 656: id = shmget((key_t)key, size, IPC_CREAT|0777);
! 657: if (id==-1)
! 658: {
! 659: extern int errno;
! 660: fprintf(stderr, "errno=%d\n", errno);
! 661: I_Error("Could not get any shared memory");
! 662: }
! 663: break;
! 664: }
! 665: } while (--pollution);
! 666:
! 667: if (!pollution)
1.1 root 668: {
1.1.1.3 ! root 669: I_Error("Sorry, system too polluted with stale "
! 670: "shared memory segments.\n");
! 671: }
! 672:
! 673: X_shminfo.shmid = id;
! 674:
! 675: // attach to the shared memory segment
! 676: image->data = X_shminfo.shmaddr = shmat(id, 0, 0);
! 677:
! 678: fprintf(stderr, "shared memory id=%d, addr=0x%x\n", id,
! 679: (int) (image->data));
! 680: }
! 681: */
! 682: void I_InitGraphics(void)
! 683: {
! 684: char* displayname;
! 685: // char* d;
! 686: int n;
! 687: int pnum;
! 688: int x=0;
! 689: int y=0;
! 690:
! 691: // warning: char format, different type arg
! 692: char xsign=' ';
! 693: char ysign=' ';
! 694:
! 695: // int oktodraw;
! 696: // unsigned long attribmask;
! 697: //XSetWindowAttributes attribs;
! 698: //XGCValues xgcvalues;
! 699: // int valuemask;
! 700: static int firsttime=1;
! 701:
! 702: if (!firsttime)
! 703: return;
! 704: firsttime = 0;
! 705:
! 706: //signal(SIGINT, (void (*)(int)) I_Quit);
! 707:
! 708: if (M_CheckParm("-2"))
! 709: multiply = 2;
! 710:
! 711: if (M_CheckParm("-3"))
! 712: multiply = 3;
! 713:
! 714: if (M_CheckParm("-4"))
! 715: multiply = 4;
! 716:
! 717: //X_width = SCREENWIDTH * multiply;
! 718: //X_height = SCREENHEIGHT * multiply;
! 719:
! 720: // check for command-line display name
! 721: if ( (pnum=M_CheckParm("-disp")) ) // suggest parentheses around assignment
! 722: displayname = myargv[pnum+1];
! 723: else
! 724: displayname = 0;
! 725:
! 726: // check if the user wants to grab the mouse (quite unnice)
! 727: grabMouse = !!M_CheckParm("-grabmouse");
1.1 root 728:
1.1.1.3 ! root 729: // check for command-line geometry
! 730: if ( (pnum=M_CheckParm("-geom")) ) // suggest parentheses around assignment
1.1 root 731: {
1.1.1.3 ! root 732: // warning: char format, different type arg 3,5
! 733: n = sscanf(myargv[pnum+1], "%c%d%c%d", &xsign, &x, &ysign, &y);
! 734:
! 735: if (n==2)
! 736: x = y = 0;
! 737: else if (n==6)
! 738: {
! 739: if (xsign == '-')
! 740: x = -x;
! 741: if (ysign == '-')
! 742: y = -y;
! 743: }
! 744: else
! 745: I_Error("bad -geom parameter");
1.1 root 746: }
1.1.1.3 ! root 747: /*
! 748: // open the display
! 749: X_display = XOpenDisplay(displayname);
! 750: if (!X_display)
! 751: {
! 752: if (displayname)
! 753: I_Error("Could not open display [%s]", displayname);
! 754: else
! 755: I_Error("Could not open display (DISPLAY=[%s])", getenv("DISPLAY"));
! 756: }
! 757: // use the default visual
! 758: // X_screen = DefaultScreen(X_display);
! 759: // if (!XMatchVisualInfo(X_display, X_screen, 8, PseudoColor, &X_visualinfo))
! 760: // I_Error("xdoom currently only supports 256-color PseudoColor screens");
! 761: // X_visual = X_visualinfo.visual;
1.1 root 762:
1.1.1.3 ! root 763: // check for the MITSHM extension
! 764: // doShm = XShmQueryExtension(X_display);
1.1 root 765:
1.1.1.3 ! root 766: // even if it's available, make sure it's a local connection
! 767: if (doShm)
! 768: {
! 769: if (!displayname) displayname = (char *) getenv("DISPLAY");
! 770: if (displayname)
! 771: {
! 772: d = displayname;
! 773: while (*d && (*d != ':')) d++;
! 774: if (*d) *d = 0;
! 775: if (!(!strcasecmp(displayname, "unix") || !*displayname)) doShm = false;
! 776: }
! 777: }
! 778:
! 779: fprintf(stderr, "Using MITSHM extension\n");
! 780:
! 781: // create the colormap
! 782: X_cmap = XCreateColormap(X_display, RootWindow(X_display,
! 783: X_screen), X_visual, AllocAll);
! 784:
! 785: // setup attributes for main window
! 786: attribmask = CWEventMask | CWColormap | CWBorderPixel;
! 787: attribs.event_mask =
! 788: // KeyPressMask
! 789: // | KeyReleaseMask
! 790: | PointerMotionMask | ButtonPressMask | ButtonReleaseMask
! 791: // | ExposureMask;
! 792:
! 793: // attribs.colormap = X_cmap;
! 794: // attribs.border_pixel = 0;
! 795:
! 796: // create the main window
! 797: X_mainWindow = XCreateWindow( X_display,
! 798: RootWindow(X_display, X_screen),
! 799: x, y,
! 800: X_width, X_height,
! 801: 0, // borderwidth
! 802: 8, // depth
! 803: InputOutput,
! 804: X_visual,
! 805: attribmask,
! 806: &attribs );
! 807:
! 808: XDefineCursor(X_display, X_mainWindow,
! 809: createnullcursor( X_display, X_mainWindow ) );
! 810:
! 811: // create the GC
! 812: valuemask = GCGraphicsExposures;
! 813: xgcvalues.graphics_exposures = False;
! 814: X_gc = XCreateGC( X_display,
! 815: X_mainWindow,
! 816: valuemask,
! 817: &xgcvalues );
! 818:
! 819: // map the window
! 820: XMapWindow(X_display, X_mainWindow);
! 821: // wait until it is OK to draw
! 822: oktodraw = 0;
! 823: while (!oktodraw)
! 824: {
! 825: // XNextEvent(X_display, &X_event);
! 826: // if (X_event.type == Expose
! 827: // && !X_event.xexpose.count)
! 828: {
! 829: oktodraw = 1;
! 830: }
! 831: }
! 832:
! 833: // grabs the pointer so it is restricted to this window
! 834: if (grabMouse)
! 835: XGrabPointer(X_display, X_mainWindow, True,
! 836: ButtonPressMask|ButtonReleaseMask|PointerMotionMask,
! 837: GrabModeAsync, GrabModeAsync,
! 838: X_mainWindow, None, CurrentTime);
! 839:
! 840: if (doShm)
! 841: {
1.1 root 842:
1.1.1.3 ! root 843: X_shmeventtype = XShmGetEventBase(X_display) + ShmCompletion;
1.1 root 844:
1.1.1.3 ! root 845: // create the image
! 846: image = XShmCreateImage( X_display,
! 847: X_visual,
! 848: 8,
! 849: ZPixmap,
! 850: 0,
! 851: &X_shminfo,
! 852: X_width,
! 853: X_height );
! 854:
! 855: grabsharedmemory(image->bytes_per_line * image->height);
! 856:
! 857:
! 858: // UNUSED
! 859: // create the shared memory segment
! 860: // X_shminfo.shmid = shmget (IPC_PRIVATE,
! 861: // image->bytes_per_line * image->height, IPC_CREAT | 0777);
! 862: // if (X_shminfo.shmid < 0)
! 863: // {
! 864: // perror("");
! 865: // I_Error("shmget() failed in InitGraphics()");
! 866: // }
! 867: // fprintf(stderr, "shared memory id=%d\n", X_shminfo.shmid);
! 868: // attach to the shared memory segment
! 869: // image->data = X_shminfo.shmaddr = shmat(X_shminfo.shmid, 0, 0);
! 870:
! 871:
! 872: if (!image->data)
! 873: {
! 874: perror("");
! 875: I_Error("shmat() failed in InitGraphics()");
! 876: }
! 877:
! 878: // get the X server to attach to it
! 879: if (!XShmAttach(X_display, &X_shminfo))
! 880: I_Error("XShmAttach() failed in InitGraphics()");
1.1 root 881:
1.1.1.3 ! root 882: }
! 883: else
! 884: {
! 885: image = XCreateImage( X_display,
! 886: X_visual,
! 887: 8,
! 888: ZPixmap,
! 889: 0,
! 890: (char*)malloc(X_width * X_height),
! 891: X_width, X_height,
! 892: 8,
! 893: X_width );
1.1 root 894:
1.1.1.3 ! root 895: }
! 896:
! 897: if (multiply == 1)
! 898: screens[0] = (unsigned char *) (image->data);
! 899: else
! 900: screens[0] = (unsigned char *) malloc (SCREENWIDTH * SCREENHEIGHT);
! 901: */
! 902: }
! 903:
! 904:
! 905: unsigned exptable[256];
! 906:
! 907: void InitExpand (void)
! 908: {
! 909: int i;
! 910:
! 911: for (i=0 ; i<256 ; i++)
! 912: exptable[i] = i | (i<<8) | (i<<16) | (i<<24);
! 913: }
! 914:
! 915: double exptable2[256*256];
! 916:
! 917: void InitExpand2 (void)
! 918: {
! 919: int i;
! 920: int j;
! 921: // UNUSED unsigned iexp, jexp;
! 922: double* exp;
! 923: union
! 924: {
! 925: double d;
! 926: unsigned u[2];
! 927: } pixel;
! 928:
! 929: printf ("building exptable2...\n");
! 930: exp = exptable2;
! 931: for (i=0 ; i<256 ; i++)
! 932: {
! 933: pixel.u[0] = i | (i<<8) | (i<<16) | (i<<24);
! 934: for (j=0 ; j<256 ; j++)
! 935: {
! 936: pixel.u[1] = j | (j<<8) | (j<<16) | (j<<24);
! 937: *exp++ = pixel.d;
! 938: }
! 939: }
! 940: printf ("done.\n");
! 941: }
1.1 root 942:
943: int inited;
944:
1.1.1.3 ! root 945: void
! 946: Expand4
! 947: ( unsigned* lineptr,
! 948: double* xline )
! 949: {
! 950: double dpixel;
! 951: unsigned x;
! 952: unsigned y;
! 953: unsigned fourpixels;
! 954: unsigned step;
! 955: double* exp;
! 956:
! 957: exp = exptable2;
! 958: if (!inited)
! 959: {
! 960: inited = 1;
! 961: InitExpand2 ();
! 962: }
! 963:
! 964:
! 965: step = 3*SCREENWIDTH/2;
! 966:
! 967: y = SCREENHEIGHT-1;
! 968: do
! 969: {
! 970: x = SCREENWIDTH;
! 971:
! 972: do
! 973: {
! 974: fourpixels = lineptr[0];
! 975:
! 976: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff0000)>>13) );
! 977: xline[0] = dpixel;
! 978: xline[160] = dpixel;
! 979: xline[320] = dpixel;
! 980: xline[480] = dpixel;
! 981:
! 982: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff)<<3 ) );
! 983: xline[1] = dpixel;
! 984: xline[161] = dpixel;
! 985: xline[321] = dpixel;
! 986: xline[481] = dpixel;
! 987:
! 988: fourpixels = lineptr[1];
! 989:
! 990: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff0000)>>13) );
! 991: xline[2] = dpixel;
! 992: xline[162] = dpixel;
! 993: xline[322] = dpixel;
! 994: xline[482] = dpixel;
! 995:
! 996: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff)<<3 ) );
! 997: xline[3] = dpixel;
! 998: xline[163] = dpixel;
! 999: xline[323] = dpixel;
! 1000: xline[483] = dpixel;
! 1001:
! 1002: fourpixels = lineptr[2];
! 1003:
! 1004: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff0000)>>13) );
! 1005: xline[4] = dpixel;
! 1006: xline[164] = dpixel;
! 1007: xline[324] = dpixel;
! 1008: xline[484] = dpixel;
! 1009:
! 1010: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff)<<3 ) );
! 1011: xline[5] = dpixel;
! 1012: xline[165] = dpixel;
! 1013: xline[325] = dpixel;
! 1014: xline[485] = dpixel;
! 1015:
! 1016: fourpixels = lineptr[3];
! 1017:
! 1018: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff0000)>>13) );
! 1019: xline[6] = dpixel;
! 1020: xline[166] = dpixel;
! 1021: xline[326] = dpixel;
! 1022: xline[486] = dpixel;
! 1023:
! 1024: dpixel = *(double *)( (int)exp + ( (fourpixels&0xffff)<<3 ) );
! 1025: xline[7] = dpixel;
! 1026: xline[167] = dpixel;
! 1027: xline[327] = dpixel;
! 1028: xline[487] = dpixel;
! 1029:
! 1030: lineptr+=4;
! 1031: xline+=8;
! 1032: } while (x-=16);
! 1033: xline += step;
! 1034: } while (y--);
! 1035: }
! 1036:
1.1 root 1037:
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