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1 | /* | |
2 | * Copyright (c) 2003 by the XFree86 Project, Inc. | |
3 | * | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining | |
7 | * a copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation on the rights to use, copy, modify, merge, | |
10 | * publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, | |
12 | * subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial | |
16 | * portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS | |
22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Create a window and use the DMX extension to query the window's | |
30 | * back-end properties. Display the info inside the window itself. | |
31 | * | |
32 | * Brian Paul | |
33 | * 23 Jan 2003 | |
34 | */ | |
35 | ||
36 | #include <assert.h> | |
37 | #include <stdio.h> | |
38 | #include <stdlib.h> | |
39 | #include <string.h> | |
40 | #include <X11/Xlib.h> | |
41 | #include <X11/Xutil.h> | |
42 | #include <X11/extensions/dmxext.h> | |
43 | ||
44 | static const char *FontName = "fixed"; | |
45 | ||
46 | static void | |
47 | EventLoop(Display * dpy, Window win, GC gc) | |
48 | { | |
49 | XEvent ev; | |
50 | ||
51 | while (1) { | |
52 | XNextEvent(dpy, &ev); | |
53 | switch (ev.type) { | |
54 | case ReparentNotify: | |
55 | break; | |
56 | case MapNotify: | |
57 | break; | |
58 | case ConfigureNotify: | |
59 | case Expose: | |
60 | { | |
61 | int numScreens, count, i; | |
62 | DMXWindowAttributes *winInfo; | |
63 | int x, y; | |
64 | const char *msg = "DMX window info:"; | |
65 | ||
66 | DMXGetScreenCount(dpy, &numScreens); | |
67 | winInfo = (DMXWindowAttributes *) | |
68 | malloc(numScreens * sizeof(DMXWindowAttributes)); | |
69 | assert(winInfo); | |
70 | if (!DMXGetWindowAttributes(dpy, win, &count, numScreens, winInfo)) { | |
71 | printf("Could not get window information for 0x%08lx\n", | |
72 | (long unsigned) win); | |
73 | } | |
74 | x = y = 50; | |
75 | XClearWindow(dpy, win); | |
76 | XDrawString(dpy, win, gc, x, y, msg, strlen(msg)); | |
77 | y += 20; | |
78 | for (i = 0; i < count; i++) { | |
79 | char str[500]; | |
80 | ||
81 | snprintf(str, sizeof(str), | |
82 | "screen %d: pos: %dx%d+%d+%d visible: %dx%d+%d+%d", | |
83 | winInfo[i].screen, | |
84 | winInfo[i].pos.width, winInfo[i].pos.height, | |
85 | winInfo[i].pos.x, winInfo[i].pos.y, | |
86 | winInfo[i].vis.width, winInfo[i].vis.height, | |
87 | winInfo[i].vis.x, winInfo[i].vis.y); | |
88 | XDrawString(dpy, win, gc, x, y, str, strlen(str)); | |
89 | y += 20; | |
90 | } | |
91 | free(winInfo); | |
92 | } | |
93 | break; | |
94 | default: | |
95 | printf("Event type 0x%x\n", ev.type); | |
96 | } | |
97 | } | |
98 | } | |
99 | ||
100 | int | |
101 | main(int argc, char *argv[]) | |
102 | { | |
103 | const char *displayName = NULL; | |
104 | Display *dpy; | |
105 | int event_base, error_base; | |
106 | int scr, n; | |
107 | long vinfoMask, attrMask; | |
108 | XVisualInfo vinfoTemp, *visInfo; | |
109 | Visual *vis; | |
110 | Window win, root; | |
111 | XSetWindowAttributes attr; | |
112 | XFontStruct *fontInfo; | |
113 | GC gc; | |
114 | ||
115 | if (argc > 1) { | |
116 | displayName = argv[1]; | |
117 | } | |
118 | ||
119 | dpy = XOpenDisplay(displayName); | |
120 | if (!dpy) { | |
121 | fprintf(stderr, "Unable to open display %s\n", displayName); | |
122 | return -1; | |
123 | } | |
124 | ||
125 | if (!DMXQueryExtension(dpy, &event_base, &error_base)) { | |
126 | fprintf(stderr, "DMX extension not available on this display.\n"); | |
127 | return -1; | |
128 | } | |
129 | ||
130 | scr = DefaultScreen(dpy); | |
131 | root = RootWindow(dpy, scr); | |
132 | vis = DefaultVisual(dpy, scr); | |
133 | ||
134 | vinfoMask = VisualIDMask; | |
135 | vinfoTemp.visualid = vis->visualid; | |
136 | visInfo = XGetVisualInfo(dpy, vinfoMask, &vinfoTemp, &n); | |
137 | if (!visInfo || n != 1) { | |
138 | fprintf(stderr, "Unable to get visual!\n"); | |
139 | XCloseDisplay(dpy); | |
140 | return -1; | |
141 | } | |
142 | ||
143 | attr.background_pixel = 0; | |
144 | attr.border_pixel = 0; | |
145 | attr.colormap = XCreateColormap(dpy, root, visInfo->visual, AllocNone); | |
146 | attr.event_mask = StructureNotifyMask | ExposureMask; | |
147 | attrMask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; | |
148 | ||
149 | win = XCreateWindow(dpy, root, 500, 500, 600, 400, /* x, y, w, h */ | |
150 | 0, /* border_width */ | |
151 | visInfo->depth, InputOutput, | |
152 | visInfo->visual, attrMask, &attr); | |
153 | ||
154 | if (!win) { | |
155 | fprintf(stderr, "Unable to create window!\n"); | |
156 | XCloseDisplay(dpy); | |
157 | return -1; | |
158 | } | |
159 | ||
160 | fontInfo = XLoadQueryFont(dpy, FontName); | |
161 | if (!fontInfo) { | |
162 | fprintf(stderr, "Error: font %s not found\n", FontName); | |
163 | exit(0); | |
164 | } | |
165 | ||
166 | gc = XCreateGC(dpy, win, 0, NULL); | |
167 | XSetBackground(dpy, gc, BlackPixel(dpy, scr)); | |
168 | XSetForeground(dpy, gc, WhitePixel(dpy, scr)); | |
169 | XSetFont(dpy, gc, fontInfo->fid); | |
170 | ||
171 | XMapWindow(dpy, win); | |
172 | ||
173 | EventLoop(dpy, win, gc); | |
174 | ||
175 | XDestroyWindow(dpy, win); | |
176 | XCloseDisplay(dpy); | |
177 | return 0; | |
178 | } | |
179 | ||
180 | #if 00 | |
181 | ||
182 | static void | |
183 | make_window(char *title, int color_flag) | |
184 | { | |
185 | int x = 10, y = 10, width = 400, height = 300; | |
186 | Display *dpy; | |
187 | int scr; | |
188 | Window root, win; | |
189 | Colormap cmap; | |
190 | XColor xcolor; | |
191 | int attr_flags; | |
192 | XVisualInfo *visinfo; | |
193 | XSetWindowAttributes attr; | |
194 | XTextProperty tp; | |
195 | XSizeHints sh; | |
196 | XEvent e; | |
197 | XMesaContext context; | |
198 | XMesaVisual visual; | |
199 | XMesaBuffer buffer; | |
200 | ||
201 | /* | |
202 | * Do the usual X things to make a window. | |
203 | */ | |
204 | ||
205 | dpy = XOpenDisplay(NULL); | |
206 | if (!dpy) { | |
207 | printf("Couldn't open default display!\n"); | |
208 | exit(1); | |
209 | } | |
210 | ||
211 | scr = DefaultScreen(dpy); | |
212 | root = RootWindow(dpy, scr); | |
213 | ||
214 | /* alloc visinfo struct */ | |
215 | visinfo = (XVisualInfo *) malloc(sizeof(XVisualInfo)); | |
216 | ||
217 | /* Get a visual and colormap */ | |
218 | if (color_flag) { | |
219 | /* Open TrueColor window */ | |
220 | ||
221 | /* | |
222 | if (!XMatchVisualInfo( dpy, scr, 24, TrueColor, visinfo )) { | |
223 | printf("Couldn't get 24-bit TrueColor visual!\n"); | |
224 | exit(1); | |
225 | } | |
226 | */ | |
227 | if (!XMatchVisualInfo(dpy, scr, 8, PseudoColor, visinfo)) { | |
228 | printf("Couldn't get 8-bit PseudoColor visual!\n"); | |
229 | exit(1); | |
230 | } | |
231 | ||
232 | cmap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); | |
233 | Black = Red = Green = Blue = 0; | |
234 | } | |
235 | else { | |
236 | /* Open color index window */ | |
237 | ||
238 | if (!XMatchVisualInfo(dpy, scr, 8, PseudoColor, visinfo)) { | |
239 | printf("Couldn't get 8-bit PseudoColor visual\n"); | |
240 | exit(1); | |
241 | } | |
242 | ||
243 | cmap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); | |
244 | ||
245 | /* Allocate colors */ | |
246 | xcolor.red = 0x0; | |
247 | xcolor.green = 0x0; | |
248 | xcolor.blue = 0x0; | |
249 | xcolor.flags = DoRed | DoGreen | DoBlue; | |
250 | if (!XAllocColor(dpy, cmap, &xcolor)) { | |
251 | printf("Couldn't allocate black!\n"); | |
252 | exit(1); | |
253 | } | |
254 | Black = xcolor.pixel; | |
255 | ||
256 | xcolor.red = 0xffff; | |
257 | xcolor.green = 0x0; | |
258 | xcolor.blue = 0x0; | |
259 | xcolor.flags = DoRed | DoGreen | DoBlue; | |
260 | if (!XAllocColor(dpy, cmap, &xcolor)) { | |
261 | printf("Couldn't allocate red!\n"); | |
262 | exit(1); | |
263 | } | |
264 | Red = xcolor.pixel; | |
265 | ||
266 | xcolor.red = 0x0; | |
267 | xcolor.green = 0xffff; | |
268 | xcolor.blue = 0x0; | |
269 | xcolor.flags = DoRed | DoGreen | DoBlue; | |
270 | if (!XAllocColor(dpy, cmap, &xcolor)) { | |
271 | printf("Couldn't allocate green!\n"); | |
272 | exit(1); | |
273 | } | |
274 | Green = xcolor.pixel; | |
275 | ||
276 | xcolor.red = 0x0; | |
277 | xcolor.green = 0x0; | |
278 | xcolor.blue = 0xffff; | |
279 | xcolor.flags = DoRed | DoGreen | DoBlue; | |
280 | if (!XAllocColor(dpy, cmap, &xcolor)) { | |
281 | printf("Couldn't allocate blue!\n"); | |
282 | exit(1); | |
283 | } | |
284 | Blue = xcolor.pixel; | |
285 | } | |
286 | ||
287 | /* set window attributes */ | |
288 | attr.colormap = cmap; | |
289 | attr.event_mask = ExposureMask | StructureNotifyMask; | |
290 | attr.border_pixel = BlackPixel(dpy, scr); | |
291 | attr.background_pixel = BlackPixel(dpy, scr); | |
292 | attr_flags = CWColormap | CWEventMask | CWBorderPixel | CWBackPixel; | |
293 | ||
294 | /* Create the window */ | |
295 | win = XCreateWindow(dpy, root, x, y, width, height, 0, | |
296 | visinfo->depth, InputOutput, | |
297 | visinfo->visual, attr_flags, &attr); | |
298 | if (!win) { | |
299 | printf("Couldn't open window!\n"); | |
300 | exit(1); | |
301 | } | |
302 | ||
303 | XStringListToTextProperty(&title, 1, &tp); | |
304 | sh.flags = USPosition | USSize; | |
305 | XSetWMProperties(dpy, win, &tp, &tp, 0, 0, &sh, 0, 0); | |
306 | XMapWindow(dpy, win); | |
307 | while (1) { | |
308 | XNextEvent(dpy, &e); | |
309 | if (e.type == MapNotify && e.xmap.window == win) { | |
310 | break; | |
311 | } | |
312 | } | |
313 | ||
314 | /* | |
315 | * Now do the special Mesa/Xlib stuff! | |
316 | */ | |
317 | ||
318 | visual = XMesaCreateVisual(dpy, visinfo, (GLboolean) color_flag, GL_FALSE, /* alpha_flag */ | |
319 | GL_FALSE, /* db_flag */ | |
320 | GL_FALSE, /* stereo flag */ | |
321 | GL_FALSE, /* ximage_flag */ | |
322 | 0, /* depth size */ | |
323 | 0, /* stencil size */ | |
324 | 0, 0, 0, 0, /* accum_size */ | |
325 | 0, /* num samples */ | |
326 | 0, /* level */ | |
327 | 0 /* caveat */ | |
328 | ); | |
329 | if (!visual) { | |
330 | printf("Couldn't create Mesa/X visual!\n"); | |
331 | exit(1); | |
332 | } | |
333 | ||
334 | /* Create a Mesa rendering context */ | |
335 | context = XMesaCreateContext(visual, NULL /* share_list */ | |
336 | ); | |
337 | if (!context) { | |
338 | printf("Couldn't create Mesa/X context!\n"); | |
339 | exit(1); | |
340 | } | |
341 | ||
342 | buffer = XMesaCreateWindowBuffer(visual, win); | |
343 | if (!buffer) { | |
344 | printf("Couldn't create Mesa/X buffer!\n"); | |
345 | exit(1); | |
346 | } | |
347 | ||
348 | XMesaMakeCurrent(context, buffer); | |
349 | ||
350 | /* Ready to render! */ | |
351 | } | |
352 | ||
353 | static void | |
354 | draw_cube(void) | |
355 | { | |
356 | /* X faces */ | |
357 | glIndexi(Red); | |
358 | glColor3f(1.0, 0.0, 0.0); | |
359 | glBegin(GL_POLYGON); | |
360 | glVertex3f(1.0, 1.0, 1.0); | |
361 | glVertex3f(1.0, -1.0, 1.0); | |
362 | glVertex3f(1.0, -1.0, -1.0); | |
363 | glVertex3f(1.0, 1.0, -1.0); | |
364 | glEnd(); | |
365 | ||
366 | glBegin(GL_POLYGON); | |
367 | glVertex3f(-1.0, 1.0, 1.0); | |
368 | glVertex3f(-1.0, 1.0, -1.0); | |
369 | glVertex3f(-1.0, -1.0, -1.0); | |
370 | glVertex3f(-1.0, -1.0, 1.0); | |
371 | glEnd(); | |
372 | ||
373 | /* Y faces */ | |
374 | glIndexi(Green); | |
375 | glColor3f(0.0, 1.0, 0.0); | |
376 | glBegin(GL_POLYGON); | |
377 | glVertex3f(1.0, 1.0, 1.0); | |
378 | glVertex3f(1.0, 1.0, -1.0); | |
379 | glVertex3f(-1.0, 1.0, -1.0); | |
380 | glVertex3f(-1.0, 1.0, 1.0); | |
381 | glEnd(); | |
382 | ||
383 | glBegin(GL_POLYGON); | |
384 | glVertex3f(1.0, -1.0, 1.0); | |
385 | glVertex3f(-1.0, -1.0, 1.0); | |
386 | glVertex3f(-1.0, -1.0, -1.0); | |
387 | glVertex3f(1.0, -1.0, -1.0); | |
388 | glEnd(); | |
389 | ||
390 | /* Z faces */ | |
391 | glIndexi(Blue); | |
392 | glColor3f(0.0, 0.0, 1.0); | |
393 | glBegin(GL_POLYGON); | |
394 | glVertex3f(1.0, 1.0, 1.0); | |
395 | glVertex3f(-1.0, 1.0, 1.0); | |
396 | glVertex3f(-1.0, -1.0, 1.0); | |
397 | glVertex3f(1.0, -1.0, 1.0); | |
398 | glEnd(); | |
399 | ||
400 | glBegin(GL_POLYGON); | |
401 | glVertex3f(1.0, 1.0, -1.0); | |
402 | glVertex3f(1.0, -1.0, -1.0); | |
403 | glVertex3f(-1.0, -1.0, -1.0); | |
404 | glVertex3f(-1.0, 1.0, -1.0); | |
405 | glEnd(); | |
406 | } | |
407 | ||
408 | static void | |
409 | display_loop(void) | |
410 | { | |
411 | GLfloat xrot, yrot, zrot; | |
412 | ||
413 | xrot = yrot = zrot = 0.0; | |
414 | ||
415 | glClearColor(0.0, 0.0, 0.0, 0.0); | |
416 | glClearIndex(Black); | |
417 | ||
418 | glMatrixMode(GL_PROJECTION); | |
419 | glLoadIdentity(); | |
420 | glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 10.0); | |
421 | glTranslatef(0.0, 0.0, -5.0); | |
422 | ||
423 | glMatrixMode(GL_MODELVIEW); | |
424 | glLoadIdentity(); | |
425 | ||
426 | glCullFace(GL_BACK); | |
427 | glEnable(GL_CULL_FACE); | |
428 | ||
429 | glShadeModel(GL_FLAT); | |
430 | ||
431 | while (1) { | |
432 | glClear(GL_COLOR_BUFFER_BIT); | |
433 | glPushMatrix(); | |
434 | glRotatef(xrot, 1.0, 0.0, 0.0); | |
435 | glRotatef(yrot, 0.0, 1.0, 0.0); | |
436 | glRotatef(zrot, 0.0, 0.0, 1.0); | |
437 | ||
438 | draw_cube(); | |
439 | ||
440 | glPopMatrix(); | |
441 | glFinish(); | |
442 | ||
443 | xrot += 10.0; | |
444 | yrot += 7.0; | |
445 | zrot -= 3.0; | |
446 | } | |
447 | ||
448 | } | |
449 | ||
450 | int | |
451 | main(int argc, char *argv[]) | |
452 | { | |
453 | int mode = 0; | |
454 | ||
455 | if (argc >= 2) { | |
456 | if (strcmp(argv[1], "-ci") == 0) | |
457 | mode = 0; | |
458 | else if (strcmp(argv[1], "-rgb") == 0) | |
459 | mode = 1; | |
460 | else { | |
461 | printf("Bad flag: %s\n", argv[1]); | |
462 | printf("Specify -ci for 8-bit color index or -rgb for RGB mode\n"); | |
463 | exit(1); | |
464 | } | |
465 | } | |
466 | else { | |
467 | printf("Specify -ci for 8-bit color index or -rgb for RGB mode\n"); | |
468 | printf("Defaulting to 8-bit color index\n"); | |
469 | } | |
470 | ||
471 | make_window(argv[0], mode); | |
472 | ||
473 | display_loop(); | |
474 | return 0; | |
475 | } | |
476 | ||
477 | #endif |