File: | hw/kdrive/ephyr/hostx.c |
Location: | line 930, column 27 |
Description: | Access to field 'stride' results in a dereference of a null pointer (loaded from field 'ximg') |
1 | /* | |||
2 | * Xephyr - A kdrive X server thats runs in a host X window. | |||
3 | * Authored by Matthew Allum <mallum@o-hand.com> | |||
4 | * | |||
5 | * Copyright © 2004 Nokia | |||
6 | * | |||
7 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
8 | * documentation for any purpose is hereby granted without fee, provided that | |||
9 | * the above copyright notice appear in all copies and that both that | |||
10 | * copyright notice and this permission notice appear in supporting | |||
11 | * documentation, and that the name of Nokia not be used in | |||
12 | * advertising or publicity pertaining to distribution of the software without | |||
13 | * specific, written prior permission. Nokia makes no | |||
14 | * representations about the suitability of this software for any purpose. It | |||
15 | * is provided "as is" without express or implied warranty. | |||
16 | * | |||
17 | * NOKIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
18 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |||
19 | * EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
20 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |||
21 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |||
22 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |||
23 | * PERFORMANCE OF THIS SOFTWARE. | |||
24 | */ | |||
25 | ||||
26 | #ifdef HAVE_CONFIG_H1 | |||
27 | #include <kdrive-config.h> | |||
28 | #endif | |||
29 | ||||
30 | #include "hostx.h" | |||
31 | #include "input.h" | |||
32 | ||||
33 | #include <stdlib.h> | |||
34 | #include <stdio.h> | |||
35 | #include <unistd.h> | |||
36 | #include <string.h> /* for memset */ | |||
37 | #include <errno(*__error()).h> | |||
38 | #include <time.h> | |||
39 | #include <err.h> | |||
40 | ||||
41 | #include <sys/ipc.h> | |||
42 | #include <sys/shm.h> | |||
43 | #include <sys/time.h> | |||
44 | ||||
45 | #include <X11/keysym.h> | |||
46 | #include <xcb/xcb.h> | |||
47 | #include <xcb/xproto.h> | |||
48 | #include <xcb/xcb_icccm.h> | |||
49 | #include <xcb/xcb_aux.h> | |||
50 | #include <xcb/shm.h> | |||
51 | #include <xcb/xcb_image.h> | |||
52 | #include <xcb/shape.h> | |||
53 | #include <xcb/xcb_keysyms.h> | |||
54 | #include <xcb/randr.h> | |||
55 | #include <xcb/xkb.h> | |||
56 | #ifdef GLAMOR | |||
57 | #include <epoxy/gl.h> | |||
58 | #include "glamor.h" | |||
59 | #include "ephyr_glamor_glx.h" | |||
60 | #endif | |||
61 | #include "ephyrlog.h" | |||
62 | #include "ephyr.h" | |||
63 | ||||
64 | struct EphyrHostXVars { | |||
65 | char *server_dpy_name; | |||
66 | xcb_connection_t *conn; | |||
67 | int screen; | |||
68 | xcb_visualtype_t *visual; | |||
69 | Window winroot; | |||
70 | xcb_gcontext_t gc; | |||
71 | xcb_render_pictformat_t argb_format; | |||
72 | xcb_cursor_t empty_cursor; | |||
73 | int depth; | |||
74 | Bool use_sw_cursor; | |||
75 | Bool use_fullscreen; | |||
76 | Bool have_shm; | |||
77 | ||||
78 | int n_screens; | |||
79 | KdScreenInfo **screens; | |||
80 | ||||
81 | long damage_debug_msec; | |||
82 | }; | |||
83 | ||||
84 | /* memset ( missing> ) instead of below */ | |||
85 | /*static EphyrHostXVars HostX = { "?", 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};*/ | |||
86 | static EphyrHostXVars HostX; | |||
87 | ||||
88 | static int HostXWantDamageDebug = 0; | |||
89 | ||||
90 | extern Bool EphyrWantResize; | |||
91 | ||||
92 | char *ephyrResName = NULL((void*)0); | |||
93 | int ephyrResNameFromCmd = 0; | |||
94 | char *ephyrTitle = NULL((void*)0); | |||
95 | Bool ephyr_glamor = FALSE0; | |||
96 | ||||
97 | Bool | |||
98 | hostx_has_extension(xcb_extension_t *extension) | |||
99 | { | |||
100 | const xcb_query_extension_reply_t *rep; | |||
101 | ||||
102 | rep = xcb_get_extension_data(HostX.conn, extension); | |||
103 | ||||
104 | return rep && rep->present; | |||
105 | } | |||
106 | ||||
107 | static void | |||
108 | hostx_set_fullscreen_hint(void); | |||
109 | ||||
110 | #define host_depth_matches_server(_vars)(HostX.depth == (_vars)->server_depth) (HostX.depth == (_vars)->server_depth) | |||
111 | ||||
112 | int | |||
113 | hostx_want_screen_geometry(KdScreenInfo *screen, int *width, int *height, int *x, int *y) | |||
114 | { | |||
115 | EphyrScrPriv *scrpriv = screen->driver; | |||
116 | ||||
117 | if (scrpriv && (scrpriv->win_pre_existing != None0L || | |||
118 | scrpriv->output != NULL((void*)0) || | |||
119 | HostX.use_fullscreen == TRUE1)) { | |||
120 | *x = scrpriv->win_x; | |||
121 | *y = scrpriv->win_y; | |||
122 | *width = scrpriv->win_width; | |||
123 | *height = scrpriv->win_height; | |||
124 | return 1; | |||
125 | } | |||
126 | ||||
127 | return 0; | |||
128 | } | |||
129 | ||||
130 | void | |||
131 | hostx_add_screen(KdScreenInfo *screen, unsigned long win_id, int screen_num, Bool use_geometry, const char *output) | |||
132 | { | |||
133 | EphyrScrPriv *scrpriv = screen->driver; | |||
134 | int index = HostX.n_screens; | |||
135 | ||||
136 | HostX.n_screens += 1; | |||
137 | HostX.screens = reallocarrayxreallocarray(HostX.screens, | |||
138 | HostX.n_screens, sizeof(HostX.screens[0])); | |||
139 | HostX.screens[index] = screen; | |||
140 | ||||
141 | scrpriv->screen = screen; | |||
142 | scrpriv->win_pre_existing = win_id; | |||
143 | scrpriv->win_explicit_position = use_geometry; | |||
144 | scrpriv->output = output; | |||
145 | } | |||
146 | ||||
147 | void | |||
148 | hostx_set_display_name(char *name) | |||
149 | { | |||
150 | HostX.server_dpy_name = strdup(name); | |||
151 | } | |||
152 | ||||
153 | void | |||
154 | hostx_set_screen_number(KdScreenInfo *screen, int number) | |||
155 | { | |||
156 | EphyrScrPriv *scrpriv = screen->driver; | |||
157 | ||||
158 | if (scrpriv) { | |||
159 | scrpriv->mynum = number; | |||
160 | hostx_set_win_title(screen, ""); | |||
161 | } | |||
162 | } | |||
163 | ||||
164 | void | |||
165 | hostx_set_win_title(KdScreenInfo *screen, const char *extra_text) | |||
166 | { | |||
167 | EphyrScrPriv *scrpriv = screen->driver; | |||
168 | ||||
169 | if (!scrpriv) | |||
170 | return; | |||
171 | ||||
172 | if (ephyrTitle) { | |||
173 | xcb_icccm_set_wm_name(HostX.conn, | |||
174 | scrpriv->win, | |||
175 | XCB_ATOM_STRING, | |||
176 | 8, | |||
177 | strlen(ephyrTitle), | |||
178 | ephyrTitle); | |||
179 | } else { | |||
180 | #define BUF_LEN256 256 | |||
181 | char buf[BUF_LEN256 + 1]; | |||
182 | ||||
183 | memset(buf, 0, BUF_LEN + 1)__builtin___memset_chk (buf, 0, 256 + 1, __builtin_object_size (buf, 0)); | |||
184 | snprintf(buf, BUF_LEN, "Xephyr on %s.%d %s",__builtin___snprintf_chk (buf, 256, 0, __builtin_object_size ( buf, 2 > 1 ? 1 : 0), "Xephyr on %s.%d %s", HostX.server_dpy_name ? HostX.server_dpy_name : ":0", scrpriv->mynum, (extra_text != ((void*)0)) ? extra_text : "") | |||
185 | HostX.server_dpy_name ? HostX.server_dpy_name : ":0",__builtin___snprintf_chk (buf, 256, 0, __builtin_object_size ( buf, 2 > 1 ? 1 : 0), "Xephyr on %s.%d %s", HostX.server_dpy_name ? HostX.server_dpy_name : ":0", scrpriv->mynum, (extra_text != ((void*)0)) ? extra_text : "") | |||
186 | scrpriv->mynum, (extra_text != NULL) ? extra_text : "")__builtin___snprintf_chk (buf, 256, 0, __builtin_object_size ( buf, 2 > 1 ? 1 : 0), "Xephyr on %s.%d %s", HostX.server_dpy_name ? HostX.server_dpy_name : ":0", scrpriv->mynum, (extra_text != ((void*)0)) ? extra_text : ""); | |||
187 | ||||
188 | xcb_icccm_set_wm_name(HostX.conn, | |||
189 | scrpriv->win, | |||
190 | XCB_ATOM_STRING, | |||
191 | 8, | |||
192 | strlen(buf), | |||
193 | buf); | |||
194 | xcb_flush(HostX.conn); | |||
195 | } | |||
196 | } | |||
197 | ||||
198 | int | |||
199 | hostx_want_host_cursor(void) | |||
200 | { | |||
201 | return !HostX.use_sw_cursor; | |||
202 | } | |||
203 | ||||
204 | void | |||
205 | hostx_use_sw_cursor(void) | |||
206 | { | |||
207 | HostX.use_sw_cursor = TRUE1; | |||
208 | } | |||
209 | ||||
210 | xcb_cursor_t | |||
211 | hostx_get_empty_cursor(void) | |||
212 | { | |||
213 | return HostX.empty_cursor; | |||
214 | } | |||
215 | ||||
216 | int | |||
217 | hostx_want_preexisting_window(KdScreenInfo *screen) | |||
218 | { | |||
219 | EphyrScrPriv *scrpriv = screen->driver; | |||
220 | ||||
221 | if (scrpriv && scrpriv->win_pre_existing) { | |||
222 | return 1; | |||
223 | } | |||
224 | else { | |||
225 | return 0; | |||
226 | } | |||
227 | } | |||
228 | ||||
229 | void | |||
230 | hostx_get_output_geometry(const char *output, | |||
231 | int *x, int *y, | |||
232 | int *width, int *height) | |||
233 | { | |||
234 | int i, name_len = 0, output_found = FALSE0; | |||
235 | char *name = NULL((void*)0); | |||
236 | xcb_generic_error_t *error; | |||
237 | xcb_randr_query_version_cookie_t version_c; | |||
238 | xcb_randr_query_version_reply_t *version_r; | |||
239 | xcb_randr_get_screen_resources_cookie_t screen_resources_c; | |||
240 | xcb_randr_get_screen_resources_reply_t *screen_resources_r; | |||
241 | xcb_randr_output_t *randr_outputs; | |||
242 | xcb_randr_get_output_info_cookie_t output_info_c; | |||
243 | xcb_randr_get_output_info_reply_t *output_info_r; | |||
244 | xcb_randr_get_crtc_info_cookie_t crtc_info_c; | |||
245 | xcb_randr_get_crtc_info_reply_t *crtc_info_r; | |||
246 | ||||
247 | /* First of all, check for extension */ | |||
248 | if (!hostx_has_extension(&xcb_randr_id)) | |||
249 | { | |||
250 | fprintf(stderr__stderrp, "\nHost X server does not support RANDR extension (or it's disabled).\n"); | |||
251 | exit(1); | |||
252 | } | |||
253 | ||||
254 | /* Check RandR version */ | |||
255 | version_c = xcb_randr_query_version(HostX.conn, 1, 2); | |||
256 | version_r = xcb_randr_query_version_reply(HostX.conn, | |||
257 | version_c, | |||
258 | &error); | |||
259 | ||||
260 | if (error != NULL((void*)0) || version_r == NULL((void*)0)) | |||
261 | { | |||
262 | fprintf(stderr__stderrp, "\nFailed to get RandR version supported by host X server.\n"); | |||
263 | exit(1); | |||
264 | } | |||
265 | else if (version_r->major_version < 1 || version_r->minor_version < 2) | |||
266 | { | |||
267 | free(version_r); | |||
268 | fprintf(stderr__stderrp, "\nHost X server doesn't support RandR 1.2, needed for -output usage.\n"); | |||
269 | exit(1); | |||
270 | } | |||
271 | ||||
272 | free(version_r); | |||
273 | ||||
274 | /* Get list of outputs from screen resources */ | |||
275 | screen_resources_c = xcb_randr_get_screen_resources(HostX.conn, | |||
276 | HostX.winroot); | |||
277 | screen_resources_r = xcb_randr_get_screen_resources_reply(HostX.conn, | |||
278 | screen_resources_c, | |||
279 | NULL((void*)0)); | |||
280 | randr_outputs = xcb_randr_get_screen_resources_outputs(screen_resources_r); | |||
281 | ||||
282 | for (i = 0; !output_found && i < screen_resources_r->num_outputs; i++) | |||
283 | { | |||
284 | /* Get info on the output */ | |||
285 | output_info_c = xcb_randr_get_output_info(HostX.conn, | |||
286 | randr_outputs[i], | |||
287 | XCB_CURRENT_TIME0L); | |||
288 | output_info_r = xcb_randr_get_output_info_reply(HostX.conn, | |||
289 | output_info_c, | |||
290 | NULL((void*)0)); | |||
291 | ||||
292 | /* Get output name */ | |||
293 | name_len = xcb_randr_get_output_info_name_length(output_info_r); | |||
294 | name = malloc(name_len + 1); | |||
295 | strncpy(name, (char*)xcb_randr_get_output_info_name(output_info_r), name_len)__builtin___strncpy_chk (name, (char*)xcb_randr_get_output_info_name (output_info_r), name_len, __builtin_object_size (name, 2 > 1 ? 1 : 0)); | |||
296 | name[name_len] = '\0'; | |||
297 | ||||
298 | if (!strcmp(name, output)) | |||
299 | { | |||
300 | output_found = TRUE1; | |||
301 | ||||
302 | /* Check if output is connected */ | |||
303 | if (output_info_r->crtc == XCB_NONE0L) | |||
304 | { | |||
305 | free(name); | |||
306 | free(output_info_r); | |||
307 | free(screen_resources_r); | |||
308 | fprintf(stderr__stderrp, "\nOutput %s is currently disabled (or not connected).\n", output); | |||
309 | exit(1); | |||
310 | } | |||
311 | ||||
312 | /* Get CRTC from output info */ | |||
313 | crtc_info_c = xcb_randr_get_crtc_info(HostX.conn, | |||
314 | output_info_r->crtc, | |||
315 | XCB_CURRENT_TIME0L); | |||
316 | crtc_info_r = xcb_randr_get_crtc_info_reply(HostX.conn, | |||
317 | crtc_info_c, | |||
318 | NULL((void*)0)); | |||
319 | ||||
320 | /* Get CRTC geometry */ | |||
321 | *x = crtc_info_r->x; | |||
322 | *y = crtc_info_r->y; | |||
323 | *width = crtc_info_r->width; | |||
324 | *height = crtc_info_r->height; | |||
325 | ||||
326 | free(crtc_info_r); | |||
327 | } | |||
328 | ||||
329 | free(name); | |||
330 | free(output_info_r); | |||
331 | } | |||
332 | ||||
333 | free(screen_resources_r); | |||
334 | ||||
335 | if (!output_found) | |||
336 | { | |||
337 | fprintf(stderr__stderrp, "\nOutput %s not available in host X server.\n", output); | |||
338 | exit(1); | |||
339 | } | |||
340 | } | |||
341 | ||||
342 | void | |||
343 | hostx_use_fullscreen(void) | |||
344 | { | |||
345 | HostX.use_fullscreen = TRUE1; | |||
346 | } | |||
347 | ||||
348 | int | |||
349 | hostx_want_fullscreen(void) | |||
350 | { | |||
351 | return HostX.use_fullscreen; | |||
352 | } | |||
353 | ||||
354 | static xcb_intern_atom_cookie_t cookie_WINDOW_STATE, | |||
355 | cookie_WINDOW_STATE_FULLSCREEN; | |||
356 | ||||
357 | static void | |||
358 | hostx_set_fullscreen_hint(void) | |||
359 | { | |||
360 | xcb_atom_t atom_WINDOW_STATE, atom_WINDOW_STATE_FULLSCREEN; | |||
361 | int index; | |||
362 | xcb_intern_atom_reply_t *reply; | |||
363 | ||||
364 | reply = xcb_intern_atom_reply(HostX.conn, cookie_WINDOW_STATE, NULL((void*)0)); | |||
365 | atom_WINDOW_STATE = reply->atom; | |||
366 | free(reply); | |||
367 | ||||
368 | reply = xcb_intern_atom_reply(HostX.conn, cookie_WINDOW_STATE_FULLSCREEN, | |||
369 | NULL((void*)0)); | |||
370 | atom_WINDOW_STATE_FULLSCREEN = reply->atom; | |||
371 | free(reply); | |||
372 | ||||
373 | for (index = 0; index < HostX.n_screens; index++) { | |||
374 | EphyrScrPriv *scrpriv = HostX.screens[index]->driver; | |||
375 | xcb_change_property(HostX.conn, | |||
376 | PropModeReplace0, | |||
377 | scrpriv->win, | |||
378 | atom_WINDOW_STATE, | |||
379 | XCB_ATOM_ATOM, | |||
380 | 32, | |||
381 | 1, | |||
382 | &atom_WINDOW_STATE_FULLSCREEN); | |||
383 | } | |||
384 | } | |||
385 | ||||
386 | static void | |||
387 | hostx_toggle_damage_debug(void) | |||
388 | { | |||
389 | HostXWantDamageDebug ^= 1; | |||
390 | } | |||
391 | ||||
392 | void | |||
393 | hostx_handle_signal(int signum) | |||
394 | { | |||
395 | hostx_toggle_damage_debug(); | |||
396 | EPHYR_DBG("Signal caught. Damage Debug:%i\n", HostXWantDamageDebug)do {} while (0); | |||
397 | } | |||
398 | ||||
399 | void | |||
400 | hostx_use_resname(char *name, int fromcmd) | |||
401 | { | |||
402 | ephyrResName = name; | |||
403 | ephyrResNameFromCmd = fromcmd; | |||
404 | } | |||
405 | ||||
406 | void | |||
407 | hostx_set_title(char *title) | |||
408 | { | |||
409 | ephyrTitle = title; | |||
410 | } | |||
411 | ||||
412 | #ifdef __SUNPRO_C | |||
413 | /* prevent "Function has no return statement" error for x_io_error_handler */ | |||
414 | #pragma does_not_return(exit) | |||
415 | #endif | |||
416 | ||||
417 | int | |||
418 | hostx_init(void) | |||
419 | { | |||
420 | uint32_t attrs[2]; | |||
421 | uint32_t attr_mask = 0; | |||
422 | xcb_pixmap_t cursor_pxm; | |||
423 | xcb_gcontext_t cursor_gc; | |||
424 | uint16_t red, green, blue; | |||
425 | uint32_t pixel; | |||
426 | int index; | |||
427 | char *tmpstr; | |||
428 | char *class_hint; | |||
429 | size_t class_len; | |||
430 | xcb_screen_t *xscreen; | |||
431 | xcb_rectangle_t rect = { 0, 0, 1, 1 }; | |||
432 | ||||
433 | attrs[0] = | |||
434 | XCB_EVENT_MASK_BUTTON_PRESS | |||
435 | | XCB_EVENT_MASK_BUTTON_RELEASE | |||
436 | | XCB_EVENT_MASK_POINTER_MOTION | |||
437 | | XCB_EVENT_MASK_KEY_PRESS | |||
438 | | XCB_EVENT_MASK_KEY_RELEASE | |||
439 | | XCB_EVENT_MASK_EXPOSURE | |||
440 | | XCB_EVENT_MASK_STRUCTURE_NOTIFY; | |||
441 | attr_mask |= XCB_CW_EVENT_MASK; | |||
442 | ||||
443 | EPHYR_DBG("mark")do {} while (0); | |||
444 | #ifdef GLAMOR | |||
445 | if (ephyr_glamor) | |||
446 | HostX.conn = ephyr_glamor_connect(); | |||
447 | else | |||
448 | #endif | |||
449 | HostX.conn = xcb_connect(NULL((void*)0), &HostX.screen); | |||
450 | if (!HostX.conn || xcb_connection_has_error(HostX.conn)) { | |||
451 | fprintf(stderr__stderrp, "\nXephyr cannot open host display. Is DISPLAY set?\n"); | |||
452 | exit(1); | |||
453 | } | |||
454 | ||||
455 | xscreen = xcb_aux_get_screen(HostX.conn, HostX.screen); | |||
456 | HostX.winroot = xscreen->root; | |||
457 | HostX.gc = xcb_generate_id(HostX.conn); | |||
458 | HostX.depth = xscreen->root_depth; | |||
459 | #ifdef GLAMOR | |||
460 | if (ephyr_glamor) { | |||
461 | HostX.visual = ephyr_glamor_get_visual(); | |||
462 | if (HostX.visual->visual_id != xscreen->root_visual) { | |||
463 | attrs[1] = xcb_generate_id(HostX.conn); | |||
464 | attr_mask |= XCB_CW_COLORMAP; | |||
465 | xcb_create_colormap(HostX.conn, | |||
466 | XCB_COLORMAP_ALLOC_NONE, | |||
467 | attrs[1], | |||
468 | HostX.winroot, | |||
469 | HostX.visual->visual_id); | |||
470 | } | |||
471 | } else | |||
472 | #endif | |||
473 | HostX.visual = xcb_aux_find_visual_by_id(xscreen,xscreen->root_visual); | |||
474 | ||||
475 | xcb_create_gc(HostX.conn, HostX.gc, HostX.winroot, 0, NULL((void*)0)); | |||
476 | cookie_WINDOW_STATE = xcb_intern_atom(HostX.conn, FALSE0, | |||
477 | strlen("_NET_WM_STATE"), | |||
478 | "_NET_WM_STATE"); | |||
479 | cookie_WINDOW_STATE_FULLSCREEN = | |||
480 | xcb_intern_atom(HostX.conn, FALSE0, | |||
481 | strlen("_NET_WM_STATE_FULLSCREEN"), | |||
482 | "_NET_WM_STATE_FULLSCREEN"); | |||
483 | ||||
484 | for (index = 0; index < HostX.n_screens; index++) { | |||
485 | KdScreenInfo *screen = HostX.screens[index]; | |||
486 | EphyrScrPriv *scrpriv = screen->driver; | |||
487 | ||||
488 | scrpriv->win = xcb_generate_id(HostX.conn); | |||
489 | scrpriv->server_depth = HostX.depth; | |||
490 | scrpriv->ximg = NULL((void*)0); | |||
491 | scrpriv->win_x = 0; | |||
492 | scrpriv->win_y = 0; | |||
493 | ||||
494 | if (scrpriv->win_pre_existing != XCB_WINDOW_NONE) { | |||
495 | xcb_get_geometry_reply_t *prewin_geom; | |||
496 | xcb_get_geometry_cookie_t cookie; | |||
497 | xcb_generic_error_t *e = NULL((void*)0); | |||
498 | ||||
499 | /* Get screen size from existing window */ | |||
500 | cookie = xcb_get_geometry(HostX.conn, | |||
501 | scrpriv->win_pre_existing); | |||
502 | prewin_geom = xcb_get_geometry_reply(HostX.conn, cookie, &e); | |||
503 | ||||
504 | if (e) { | |||
505 | free(e); | |||
506 | free(prewin_geom); | |||
507 | fprintf (stderr__stderrp, "\nXephyr -parent window' does not exist!\n"); | |||
508 | exit (1); | |||
509 | } | |||
510 | ||||
511 | scrpriv->win_width = prewin_geom->width; | |||
512 | scrpriv->win_height = prewin_geom->height; | |||
513 | ||||
514 | free(prewin_geom); | |||
515 | ||||
516 | xcb_create_window(HostX.conn, | |||
517 | XCB_COPY_FROM_PARENT0L, | |||
518 | scrpriv->win, | |||
519 | scrpriv->win_pre_existing, | |||
520 | 0,0, | |||
521 | scrpriv->win_width, | |||
522 | scrpriv->win_height, | |||
523 | 0, | |||
524 | XCB_WINDOW_CLASS_COPY_FROM_PARENT, | |||
525 | HostX.visual->visual_id, | |||
526 | attr_mask, | |||
527 | attrs); | |||
528 | } | |||
529 | else { | |||
530 | xcb_create_window(HostX.conn, | |||
531 | XCB_COPY_FROM_PARENT0L, | |||
532 | scrpriv->win, | |||
533 | HostX.winroot, | |||
534 | 0,0,100,100, /* will resize */ | |||
535 | 0, | |||
536 | XCB_WINDOW_CLASS_COPY_FROM_PARENT, | |||
537 | HostX.visual->visual_id, | |||
538 | attr_mask, | |||
539 | attrs); | |||
540 | ||||
541 | hostx_set_win_title(screen, | |||
542 | "(ctrl+shift grabs mouse and keyboard)"); | |||
543 | ||||
544 | if (HostX.use_fullscreen) { | |||
545 | scrpriv->win_width = xscreen->width_in_pixels; | |||
546 | scrpriv->win_height = xscreen->height_in_pixels; | |||
547 | ||||
548 | hostx_set_fullscreen_hint(); | |||
549 | } | |||
550 | else if (scrpriv->output) { | |||
551 | hostx_get_output_geometry(scrpriv->output, | |||
552 | &scrpriv->win_x, | |||
553 | &scrpriv->win_y, | |||
554 | &scrpriv->win_width, | |||
555 | &scrpriv->win_height); | |||
556 | ||||
557 | HostX.use_fullscreen = TRUE1; | |||
558 | hostx_set_fullscreen_hint(); | |||
559 | } | |||
560 | ||||
561 | ||||
562 | tmpstr = getenv("RESOURCE_NAME"); | |||
563 | if (tmpstr && (!ephyrResNameFromCmd)) | |||
564 | ephyrResName = tmpstr; | |||
565 | class_len = strlen(ephyrResName) + 1 + strlen("Xephyr") + 1; | |||
566 | class_hint = malloc(class_len); | |||
567 | if (class_hint) { | |||
568 | strcpy(class_hint, ephyrResName)__builtin___strcpy_chk (class_hint, ephyrResName, __builtin_object_size (class_hint, 2 > 1 ? 1 : 0)); | |||
569 | strcpy(class_hint + strlen(ephyrResName) + 1, "Xephyr")__builtin___strcpy_chk (class_hint + strlen(ephyrResName) + 1 , "Xephyr", __builtin_object_size (class_hint + strlen(ephyrResName ) + 1, 2 > 1 ? 1 : 0)); | |||
570 | xcb_change_property(HostX.conn, | |||
571 | XCB_PROP_MODE_REPLACE, | |||
572 | scrpriv->win, | |||
573 | XCB_ATOM_WM_CLASS, | |||
574 | XCB_ATOM_STRING, | |||
575 | 8, | |||
576 | class_len, | |||
577 | class_hint); | |||
578 | free(class_hint); | |||
579 | } | |||
580 | } | |||
581 | } | |||
582 | ||||
583 | if (!xcb_aux_parse_color("red", &red, &green, &blue)) { | |||
584 | xcb_lookup_color_cookie_t c = | |||
585 | xcb_lookup_color(HostX.conn, xscreen->default_colormap, 3, "red"); | |||
586 | xcb_lookup_color_reply_t *reply = | |||
587 | xcb_lookup_color_reply(HostX.conn, c, NULL((void*)0)); | |||
588 | red = reply->exact_red; | |||
589 | green = reply->exact_green; | |||
590 | blue = reply->exact_blue; | |||
591 | free(reply); | |||
592 | } | |||
593 | ||||
594 | { | |||
595 | xcb_alloc_color_cookie_t c = xcb_alloc_color(HostX.conn, | |||
596 | xscreen->default_colormap, | |||
597 | red, green, blue); | |||
598 | xcb_alloc_color_reply_t *r = xcb_alloc_color_reply(HostX.conn, c, NULL((void*)0)); | |||
599 | red = r->red; | |||
600 | green = r->green; | |||
601 | blue = r->blue; | |||
602 | pixel = r->pixel; | |||
603 | free(r); | |||
604 | } | |||
605 | ||||
606 | xcb_change_gc(HostX.conn, HostX.gc, XCB_GC_FOREGROUND, &pixel); | |||
607 | ||||
608 | cursor_pxm = xcb_generate_id(HostX.conn); | |||
609 | xcb_create_pixmap(HostX.conn, 1, cursor_pxm, HostX.winroot, 1, 1); | |||
610 | cursor_gc = xcb_generate_id(HostX.conn); | |||
611 | pixel = 0; | |||
612 | xcb_create_gc(HostX.conn, cursor_gc, cursor_pxm, | |||
613 | XCB_GC_FOREGROUND, &pixel); | |||
614 | xcb_poly_fill_rectangle(HostX.conn, cursor_pxm, cursor_gc, 1, &rect); | |||
615 | xcb_free_gc(HostX.conn, cursor_gc); | |||
616 | HostX.empty_cursor = xcb_generate_id(HostX.conn); | |||
617 | xcb_create_cursor(HostX.conn, | |||
618 | HostX.empty_cursor, | |||
619 | cursor_pxm, cursor_pxm, | |||
620 | 0,0,0, | |||
621 | 0,0,0, | |||
622 | 1,1); | |||
623 | xcb_free_pixmap(HostX.conn, cursor_pxm); | |||
624 | if (!hostx_want_host_cursor ()) { | |||
625 | CursorVisible = TRUE1; | |||
626 | /* Ditch the cursor, we provide our 'own' */ | |||
627 | for (index = 0; index < HostX.n_screens; index++) { | |||
628 | KdScreenInfo *screen = HostX.screens[index]; | |||
629 | EphyrScrPriv *scrpriv = screen->driver; | |||
630 | ||||
631 | xcb_change_window_attributes(HostX.conn, | |||
632 | scrpriv->win, | |||
633 | XCB_CW_CURSOR, | |||
634 | &HostX.empty_cursor); | |||
635 | } | |||
636 | } | |||
637 | ||||
638 | /* Try to get share memory ximages for a little bit more speed */ | |||
639 | if (!hostx_has_extension(&xcb_shm_id) || getenv("XEPHYR_NO_SHM")) { | |||
640 | fprintf(stderr__stderrp, "\nXephyr unable to use SHM XImages\n"); | |||
641 | HostX.have_shm = FALSE0; | |||
642 | } | |||
643 | else { | |||
644 | /* Really really check we have shm - better way ?*/ | |||
645 | xcb_shm_segment_info_t shminfo; | |||
646 | xcb_generic_error_t *e; | |||
647 | xcb_void_cookie_t cookie; | |||
648 | xcb_shm_seg_t shmseg; | |||
649 | ||||
650 | HostX.have_shm = TRUE1; | |||
651 | ||||
652 | shminfo.shmid = shmget(IPC_PRIVATE((key_t)0), 1, IPC_CREAT001000|0777); | |||
653 | shminfo.shmaddr = shmat(shminfo.shmid,0,0); | |||
654 | ||||
655 | shmseg = xcb_generate_id(HostX.conn); | |||
656 | cookie = xcb_shm_attach_checked(HostX.conn, shmseg, shminfo.shmid, | |||
657 | TRUE1); | |||
658 | e = xcb_request_check(HostX.conn, cookie); | |||
659 | ||||
660 | if (e) { | |||
661 | fprintf(stderr__stderrp, "\nXephyr unable to use SHM XImages\n"); | |||
662 | HostX.have_shm = FALSE0; | |||
663 | free(e); | |||
664 | } | |||
665 | ||||
666 | shmdt(shminfo.shmaddr); | |||
667 | shmctl(shminfo.shmid, IPC_RMID0, 0); | |||
668 | } | |||
669 | ||||
670 | xcb_flush(HostX.conn); | |||
671 | ||||
672 | /* Setup the pause time between paints when debugging updates */ | |||
673 | ||||
674 | HostX.damage_debug_msec = 20000; /* 1/50 th of a second */ | |||
675 | ||||
676 | if (getenv("XEPHYR_PAUSE")) { | |||
677 | HostX.damage_debug_msec = strtol(getenv("XEPHYR_PAUSE"), NULL((void*)0), 0); | |||
678 | EPHYR_DBG("pause is %li\n", HostX.damage_debug_msec)do {} while (0); | |||
679 | } | |||
680 | ||||
681 | return 1; | |||
682 | } | |||
683 | ||||
684 | int | |||
685 | hostx_get_depth(void) | |||
686 | { | |||
687 | return HostX.depth; | |||
688 | } | |||
689 | ||||
690 | int | |||
691 | hostx_get_server_depth(KdScreenInfo *screen) | |||
692 | { | |||
693 | EphyrScrPriv *scrpriv = screen->driver; | |||
694 | ||||
695 | return scrpriv ? scrpriv->server_depth : 0; | |||
696 | } | |||
697 | ||||
698 | int | |||
699 | hostx_get_bpp(KdScreenInfo *screen) | |||
700 | { | |||
701 | EphyrScrPriv *scrpriv = screen->driver; | |||
702 | ||||
703 | if (!scrpriv) | |||
704 | return 0; | |||
705 | ||||
706 | if (host_depth_matches_server(scrpriv)(HostX.depth == (scrpriv)->server_depth)) | |||
707 | return HostX.visual->bits_per_rgb_value; | |||
708 | else | |||
709 | return scrpriv->server_depth; /*XXX correct ?*/ | |||
710 | } | |||
711 | ||||
712 | void | |||
713 | hostx_get_visual_masks(KdScreenInfo *screen, | |||
714 | CARD32 *rmsk, CARD32 *gmsk, CARD32 *bmsk) | |||
715 | { | |||
716 | EphyrScrPriv *scrpriv = screen->driver; | |||
717 | ||||
718 | if (!scrpriv) | |||
719 | return; | |||
720 | ||||
721 | if (host_depth_matches_server(scrpriv)(HostX.depth == (scrpriv)->server_depth)) { | |||
722 | *rmsk = HostX.visual->red_mask; | |||
723 | *gmsk = HostX.visual->green_mask; | |||
724 | *bmsk = HostX.visual->blue_mask; | |||
725 | } | |||
726 | else if (scrpriv->server_depth == 16) { | |||
727 | /* Assume 16bpp 565 */ | |||
728 | *rmsk = 0xf800; | |||
729 | *gmsk = 0x07e0; | |||
730 | *bmsk = 0x001f; | |||
731 | } | |||
732 | else { | |||
733 | *rmsk = 0x0; | |||
734 | *gmsk = 0x0; | |||
735 | *bmsk = 0x0; | |||
736 | } | |||
737 | } | |||
738 | ||||
739 | static int | |||
740 | hostx_calculate_color_shift(unsigned long mask) | |||
741 | { | |||
742 | int shift = 1; | |||
743 | ||||
744 | /* count # of bits in mask */ | |||
745 | while ((mask = (mask >> 1))) | |||
746 | shift++; | |||
747 | /* cmap entry is an unsigned char so adjust it by size of that */ | |||
748 | shift = shift - sizeof(unsigned char) * 8; | |||
749 | if (shift < 0) | |||
750 | shift = 0; | |||
751 | return shift; | |||
752 | } | |||
753 | ||||
754 | void | |||
755 | hostx_set_cmap_entry(ScreenPtr pScreen, unsigned char idx, | |||
756 | unsigned char r, unsigned char g, unsigned char b) | |||
757 | { | |||
758 | KdScreenPriv(pScreen)KdPrivScreenPtr pScreenPriv = ((KdPrivScreenPtr) dixLookupPrivate (&(pScreen)->devPrivates, (&kdScreenPrivateKeyRec) )); | |||
759 | KdScreenInfo *screen = pScreenPriv->screen; | |||
760 | EphyrScrPriv *scrpriv = screen->driver; | |||
761 | /* need to calculate the shifts for RGB because server could be BGR. */ | |||
762 | /* XXX Not sure if this is correct for 8 on 16, but this works for 8 on 24.*/ | |||
763 | static int rshift, bshift, gshift = 0; | |||
764 | static int first_time = 1; | |||
765 | ||||
766 | if (first_time) { | |||
767 | first_time = 0; | |||
768 | rshift = hostx_calculate_color_shift(HostX.visual->red_mask); | |||
769 | gshift = hostx_calculate_color_shift(HostX.visual->green_mask); | |||
770 | bshift = hostx_calculate_color_shift(HostX.visual->blue_mask); | |||
771 | } | |||
772 | scrpriv->cmap[idx] = ((r << rshift) & HostX.visual->red_mask) | | |||
773 | ((g << gshift) & HostX.visual->green_mask) | | |||
774 | ((b << bshift) & HostX.visual->blue_mask); | |||
775 | } | |||
776 | ||||
777 | /** | |||
778 | * hostx_screen_init creates the XImage that will contain the front buffer of | |||
779 | * the ephyr screen, and possibly offscreen memory. | |||
780 | * | |||
781 | * @param width width of the screen | |||
782 | * @param height height of the screen | |||
783 | * @param buffer_height height of the rectangle to be allocated. | |||
784 | * | |||
785 | * hostx_screen_init() creates an XImage, using MIT-SHM if it's available. | |||
786 | * buffer_height can be used to create a larger offscreen buffer, which is used | |||
787 | * by fakexa for storing offscreen pixmap data. | |||
788 | */ | |||
789 | void * | |||
790 | hostx_screen_init(KdScreenInfo *screen, | |||
791 | int x, int y, | |||
792 | int width, int height, int buffer_height, | |||
793 | int *bytes_per_line, int *bits_per_pixel) | |||
794 | { | |||
795 | EphyrScrPriv *scrpriv = screen->driver; | |||
796 | Bool shm_success = FALSE0; | |||
797 | ||||
798 | if (!scrpriv) { | |||
| ||||
799 | fprintf(stderr__stderrp, "%s: Error in accessing hostx data\n", __func__); | |||
800 | exit(1); | |||
801 | } | |||
802 | ||||
803 | EPHYR_DBG("host_screen=%p x=%d, y=%d, wxh=%dx%d, buffer_height=%d",do {} while (0) | |||
804 | screen, x, y, width, height, buffer_height)do {} while (0); | |||
805 | ||||
806 | if (scrpriv->ximg != NULL((void*)0)) { | |||
807 | /* Free up the image data if previously used | |||
808 | * i.ie called by server reset | |||
809 | */ | |||
810 | ||||
811 | if (HostX.have_shm) { | |||
812 | xcb_shm_detach(HostX.conn, scrpriv->shminfo.shmseg); | |||
813 | xcb_image_destroy(scrpriv->ximg); | |||
814 | shmdt(scrpriv->shminfo.shmaddr); | |||
815 | shmctl(scrpriv->shminfo.shmid, IPC_RMID0, 0); | |||
816 | } | |||
817 | else { | |||
818 | free(scrpriv->ximg->data); | |||
819 | scrpriv->ximg->data = NULL((void*)0); | |||
820 | ||||
821 | xcb_image_destroy(scrpriv->ximg); | |||
822 | } | |||
823 | } | |||
824 | ||||
825 | if (!ephyr_glamor && HostX.have_shm) { | |||
826 | scrpriv->ximg = xcb_image_create_native(HostX.conn, | |||
827 | width, | |||
828 | buffer_height, | |||
829 | XCB_IMAGE_FORMAT_Z_PIXMAP, | |||
830 | HostX.depth, | |||
831 | NULL((void*)0), | |||
832 | ~0, | |||
833 | NULL((void*)0)); | |||
834 | ||||
835 | scrpriv->shminfo.shmid = | |||
836 | shmget(IPC_PRIVATE((key_t)0), | |||
837 | scrpriv->ximg->stride * buffer_height, | |||
838 | IPC_CREAT001000 | 0777); | |||
839 | scrpriv->ximg->data = shmat(scrpriv->shminfo.shmid, 0, 0); | |||
840 | scrpriv->shminfo.shmaddr = scrpriv->ximg->data; | |||
841 | ||||
842 | if (scrpriv->ximg->data == (uint8_t *) -1) { | |||
843 | EPHYR_DBGdo {} while (0) | |||
844 | ("Can't attach SHM Segment, falling back to plain XImages")do {} while (0); | |||
845 | HostX.have_shm = FALSE0; | |||
846 | xcb_image_destroy (scrpriv->ximg); | |||
847 | shmctl(scrpriv->shminfo.shmid, IPC_RMID0, 0); | |||
848 | } | |||
849 | else { | |||
850 | EPHYR_DBG("SHM segment attached %p", scrpriv->shminfo.shmaddr)do {} while (0); | |||
851 | scrpriv->shminfo.shmseg = xcb_generate_id(HostX.conn); | |||
852 | xcb_shm_attach(HostX.conn, | |||
853 | scrpriv->shminfo.shmseg, | |||
854 | scrpriv->shminfo.shmid, | |||
855 | FALSE0); | |||
856 | shm_success = TRUE1; | |||
857 | } | |||
858 | } | |||
859 | ||||
860 | if (!ephyr_glamor && !shm_success) { | |||
861 | EPHYR_DBG("Creating image %dx%d for screen scrpriv=%p\n",do {} while (0) | |||
862 | width, buffer_height, scrpriv)do {} while (0); | |||
863 | scrpriv->ximg = xcb_image_create_native(HostX.conn, | |||
864 | width, | |||
865 | buffer_height, | |||
866 | XCB_IMAGE_FORMAT_Z_PIXMAP, | |||
867 | HostX.depth, | |||
868 | NULL((void*)0), | |||
869 | ~0, | |||
870 | NULL((void*)0)); | |||
871 | ||||
872 | /* Match server byte order so that the image can be converted to | |||
873 | * the native byte order by xcb_image_put() before drawing */ | |||
874 | if (host_depth_matches_server(scrpriv)(HostX.depth == (scrpriv)->server_depth)) | |||
875 | scrpriv->ximg->byte_order = IMAGE_BYTE_ORDER0; | |||
876 | ||||
877 | scrpriv->ximg->data = | |||
878 | xallocarray(scrpriv->ximg->stride, buffer_height)xreallocarray(((void*)0), (scrpriv->ximg->stride), (buffer_height )); | |||
879 | } | |||
880 | ||||
881 | { | |||
882 | uint32_t mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; | |||
883 | uint32_t values[2] = {width, height}; | |||
884 | xcb_configure_window(HostX.conn, scrpriv->win, mask, values); | |||
885 | } | |||
886 | ||||
887 | if (scrpriv->win_pre_existing == None0L && !EphyrWantResize) { | |||
888 | /* Ask the WM to keep our size static */ | |||
889 | xcb_size_hints_t size_hints = {0}; | |||
890 | size_hints.max_width = size_hints.min_width = width; | |||
891 | size_hints.max_height = size_hints.min_height = height; | |||
892 | size_hints.flags = (XCB_ICCCM_SIZE_HINT_P_MIN_SIZE | | |||
893 | XCB_ICCCM_SIZE_HINT_P_MAX_SIZE); | |||
894 | xcb_icccm_set_wm_normal_hints(HostX.conn, scrpriv->win, | |||
895 | &size_hints); | |||
896 | } | |||
897 | ||||
898 | xcb_map_window(HostX.conn, scrpriv->win); | |||
899 | ||||
900 | /* Set explicit window position if it was informed in | |||
901 | * -screen option (WxH+X or WxH+X+Y). Otherwise, accept the | |||
902 | * position set by WM. | |||
903 | * The trick here is putting this code after xcb_map_window() call, | |||
904 | * so these values won't be overriden by WM. */ | |||
905 | if (scrpriv->win_explicit_position) | |||
906 | { | |||
907 | uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y; | |||
908 | uint32_t values[2] = {x, y}; | |||
909 | xcb_configure_window(HostX.conn, scrpriv->win, mask, values); | |||
910 | } | |||
911 | ||||
912 | ||||
913 | xcb_aux_sync(HostX.conn); | |||
914 | ||||
915 | scrpriv->win_width = width; | |||
916 | scrpriv->win_height = height; | |||
917 | scrpriv->win_x = x; | |||
918 | scrpriv->win_y = y; | |||
919 | ||||
920 | #ifdef GLAMOR | |||
921 | if (ephyr_glamor) { | |||
922 | *bytes_per_line = 0; | |||
923 | *bits_per_pixel = 0; | |||
924 | ephyr_glamor_set_window_size(scrpriv->glamor, | |||
925 | scrpriv->win_width, scrpriv->win_height); | |||
926 | return NULL((void*)0); | |||
927 | } else | |||
928 | #endif | |||
929 | if (host_depth_matches_server(scrpriv)(HostX.depth == (scrpriv)->server_depth)) { | |||
930 | *bytes_per_line = scrpriv->ximg->stride; | |||
| ||||
931 | *bits_per_pixel = scrpriv->ximg->bpp; | |||
932 | ||||
933 | EPHYR_DBG("Host matches server")do {} while (0); | |||
934 | return scrpriv->ximg->data; | |||
935 | } | |||
936 | else { | |||
937 | int bytes_per_pixel = scrpriv->server_depth >> 3; | |||
938 | int stride = (width * bytes_per_pixel + 0x3) & ~0x3; | |||
939 | ||||
940 | *bytes_per_line = stride; | |||
941 | *bits_per_pixel = scrpriv->server_depth; | |||
942 | ||||
943 | EPHYR_DBG("server bpp %i", bytes_per_pixel)do {} while (0); | |||
944 | scrpriv->fb_data = xallocarray (stride, buffer_height)xreallocarray(((void*)0), (stride), (buffer_height)); | |||
945 | return scrpriv->fb_data; | |||
946 | } | |||
947 | } | |||
948 | ||||
949 | static void hostx_paint_debug_rect(KdScreenInfo *screen, | |||
950 | int x, int y, int width, int height); | |||
951 | ||||
952 | void | |||
953 | hostx_paint_rect(KdScreenInfo *screen, | |||
954 | int sx, int sy, int dx, int dy, int width, int height) | |||
955 | { | |||
956 | EphyrScrPriv *scrpriv = screen->driver; | |||
957 | ||||
958 | EPHYR_DBG("painting in screen %d\n", scrpriv->mynum)do {} while (0); | |||
959 | ||||
960 | #ifdef GLAMOR | |||
961 | if (ephyr_glamor) { | |||
962 | BoxRec box; | |||
963 | RegionRec region; | |||
964 | ||||
965 | box.x1 = dx; | |||
966 | box.y1 = dy; | |||
967 | box.x2 = dx + width; | |||
968 | box.y2 = dy + height; | |||
969 | ||||
970 | RegionInit(®ion, &box, 1); | |||
971 | ephyr_glamor_damage_redisplay(scrpriv->glamor, ®ion); | |||
972 | RegionUninit(®ion); | |||
973 | return; | |||
974 | } | |||
975 | #endif | |||
976 | ||||
977 | /* | |||
978 | * Copy the image data updated by the shadow layer | |||
979 | * on to the window | |||
980 | */ | |||
981 | ||||
982 | if (HostXWantDamageDebug) { | |||
983 | hostx_paint_debug_rect(screen, dx, dy, width, height); | |||
984 | } | |||
985 | ||||
986 | /* | |||
987 | * If the depth of the ephyr server is less than that of the host, | |||
988 | * the kdrive fb does not point to the ximage data but to a buffer | |||
989 | * ( fb_data ), we shift the various bits from this onto the XImage | |||
990 | * so they match the host. | |||
991 | * | |||
992 | * Note, This code is pretty new ( and simple ) so may break on | |||
993 | * endian issues, 32 bpp host etc. | |||
994 | * Not sure if 8bpp case is right either. | |||
995 | * ... and it will be slower than the matching depth case. | |||
996 | */ | |||
997 | ||||
998 | if (!host_depth_matches_server(scrpriv)(HostX.depth == (scrpriv)->server_depth)) { | |||
999 | int x, y, idx, bytes_per_pixel = (scrpriv->server_depth >> 3); | |||
1000 | int stride = (scrpriv->win_width * bytes_per_pixel + 0x3) & ~0x3; | |||
1001 | unsigned char r, g, b; | |||
1002 | unsigned long host_pixel; | |||
1003 | ||||
1004 | EPHYR_DBG("Unmatched host depth scrpriv=%p\n", scrpriv)do {} while (0); | |||
1005 | for (y = sy; y < sy + height; y++) | |||
1006 | for (x = sx; x < sx + width; x++) { | |||
1007 | idx = y * stride + x * bytes_per_pixel; | |||
1008 | ||||
1009 | switch (scrpriv->server_depth) { | |||
1010 | case 16: | |||
1011 | { | |||
1012 | unsigned short pixel = | |||
1013 | *(unsigned short *) (scrpriv->fb_data + idx); | |||
1014 | ||||
1015 | r = ((pixel & 0xf800) >> 8); | |||
1016 | g = ((pixel & 0x07e0) >> 3); | |||
1017 | b = ((pixel & 0x001f) << 3); | |||
1018 | ||||
1019 | host_pixel = (r << 16) | (g << 8) | (b); | |||
1020 | ||||
1021 | xcb_image_put_pixel(scrpriv->ximg, x, y, host_pixel); | |||
1022 | break; | |||
1023 | } | |||
1024 | case 8: | |||
1025 | { | |||
1026 | unsigned char pixel = | |||
1027 | *(unsigned char *) (scrpriv->fb_data + idx); | |||
1028 | xcb_image_put_pixel(scrpriv->ximg, x, y, | |||
1029 | scrpriv->cmap[pixel]); | |||
1030 | break; | |||
1031 | } | |||
1032 | default: | |||
1033 | break; | |||
1034 | } | |||
1035 | } | |||
1036 | } | |||
1037 | ||||
1038 | if (HostX.have_shm) { | |||
1039 | xcb_image_shm_put(HostX.conn, scrpriv->win, | |||
1040 | HostX.gc, scrpriv->ximg, | |||
1041 | scrpriv->shminfo, | |||
1042 | sx, sy, dx, dy, width, height, FALSE0); | |||
1043 | } | |||
1044 | else { | |||
1045 | xcb_image_t *subimg = xcb_image_subimage(scrpriv->ximg, sx, sy, | |||
1046 | width, height, 0, 0, 0); | |||
1047 | xcb_image_t *img = xcb_image_native(HostX.conn, subimg, 1); | |||
1048 | xcb_image_put(HostX.conn, scrpriv->win, HostX.gc, img, dx, dy, 0); | |||
1049 | if (subimg != img) | |||
1050 | xcb_image_destroy(img); | |||
1051 | xcb_image_destroy(subimg); | |||
1052 | } | |||
1053 | ||||
1054 | xcb_aux_sync(HostX.conn); | |||
1055 | } | |||
1056 | ||||
1057 | static void | |||
1058 | hostx_paint_debug_rect(KdScreenInfo *screen, | |||
1059 | int x, int y, int width, int height) | |||
1060 | { | |||
1061 | EphyrScrPriv *scrpriv = screen->driver; | |||
1062 | struct timespec tspec; | |||
1063 | xcb_rectangle_t rect = { .x = x, .y = y, .width = width, .height = height }; | |||
1064 | xcb_void_cookie_t cookie; | |||
1065 | xcb_generic_error_t *e; | |||
1066 | ||||
1067 | tspec.tv_sec = HostX.damage_debug_msec / (1000000); | |||
1068 | tspec.tv_nsec = (HostX.damage_debug_msec % 1000000) * 1000; | |||
1069 | ||||
1070 | EPHYR_DBG("msec: %li tv_sec %li, tv_msec %li",do {} while (0) | |||
1071 | HostX.damage_debug_msec, tspec.tv_sec, tspec.tv_nsec)do {} while (0); | |||
1072 | ||||
1073 | /* fprintf(stderr, "Xephyr updating: %i+%i %ix%i\n", x, y, width, height); */ | |||
1074 | ||||
1075 | cookie = xcb_poly_fill_rectangle_checked(HostX.conn, scrpriv->win, | |||
1076 | HostX.gc, 1, &rect); | |||
1077 | e = xcb_request_check(HostX.conn, cookie); | |||
1078 | free(e); | |||
1079 | ||||
1080 | /* nanosleep seems to work better than usleep for me... */ | |||
1081 | nanosleep(&tspec, NULL((void*)0)); | |||
1082 | } | |||
1083 | ||||
1084 | Bool | |||
1085 | hostx_load_keymap(KeySymsPtr keySyms, CARD8 *modmap, XkbControlsPtr controls) | |||
1086 | { | |||
1087 | int min_keycode, max_keycode; | |||
1088 | int map_width; | |||
1089 | size_t i, j; | |||
1090 | int keymap_len; | |||
1091 | xcb_keysym_t *keymap; | |||
1092 | xcb_keycode_t *modifier_map; | |||
1093 | xcb_get_keyboard_mapping_cookie_t mapping_c; | |||
1094 | xcb_get_keyboard_mapping_reply_t *mapping_r; | |||
1095 | xcb_get_modifier_mapping_cookie_t modifier_c; | |||
1096 | xcb_get_modifier_mapping_reply_t *modifier_r; | |||
1097 | xcb_xkb_use_extension_cookie_t use_c; | |||
1098 | xcb_xkb_use_extension_reply_t *use_r; | |||
1099 | xcb_xkb_get_controls_cookie_t controls_c; | |||
1100 | xcb_xkb_get_controls_reply_t *controls_r; | |||
1101 | ||||
1102 | /* First of all, collect host X server's | |||
1103 | * min_keycode and max_keycode, which are | |||
1104 | * independent from XKB support. */ | |||
1105 | min_keycode = xcb_get_setup(HostX.conn)->min_keycode; | |||
1106 | max_keycode = xcb_get_setup(HostX.conn)->max_keycode; | |||
1107 | ||||
1108 | EPHYR_DBG("min: %d, max: %d", min_keycode, max_keycode)do {} while (0); | |||
1109 | ||||
1110 | keySyms->minKeyCode = min_keycode; | |||
1111 | keySyms->maxKeyCode = max_keycode; | |||
1112 | ||||
1113 | /* Check for XKB availability in host X server */ | |||
1114 | if (!hostx_has_extension(&xcb_xkb_id)) { | |||
1115 | EPHYR_LOG_ERROR("XKB extension is not supported in host X server."); | |||
1116 | return FALSE0; | |||
1117 | } | |||
1118 | ||||
1119 | use_c = xcb_xkb_use_extension(HostX.conn, | |||
1120 | XCB_XKB_MAJOR_VERSION1, | |||
1121 | XCB_XKB_MINOR_VERSION0); | |||
1122 | use_r = xcb_xkb_use_extension_reply(HostX.conn, use_c, NULL((void*)0)); | |||
1123 | ||||
1124 | if (!use_r) { | |||
1125 | EPHYR_LOG_ERROR("Couldn't use XKB extension."); | |||
1126 | return FALSE0; | |||
1127 | } else if (!use_r->supported) { | |||
1128 | EPHYR_LOG_ERROR("XKB extension is not supported in host X server."); | |||
1129 | free(use_r); | |||
1130 | return FALSE0; | |||
1131 | } | |||
1132 | ||||
1133 | free(use_r); | |||
1134 | ||||
1135 | /* Send all needed XCB requests at once, | |||
1136 | * and process the replies as needed. */ | |||
1137 | mapping_c = xcb_get_keyboard_mapping(HostX.conn, | |||
1138 | min_keycode, | |||
1139 | max_keycode - min_keycode + 1); | |||
1140 | modifier_c = xcb_get_modifier_mapping(HostX.conn); | |||
1141 | controls_c = xcb_xkb_get_controls(HostX.conn, | |||
1142 | XCB_XKB_ID_USE_CORE_KBD); | |||
1143 | ||||
1144 | mapping_r = xcb_get_keyboard_mapping_reply(HostX.conn, | |||
1145 | mapping_c, | |||
1146 | NULL((void*)0)); | |||
1147 | ||||
1148 | if (!mapping_r) { | |||
1149 | EPHYR_LOG_ERROR("xcb_get_keyboard_mapping_reply() failed."); | |||
1150 | return FALSE0; | |||
1151 | } | |||
1152 | ||||
1153 | map_width = mapping_r->keysyms_per_keycode; | |||
1154 | keymap = xcb_get_keyboard_mapping_keysyms(mapping_r); | |||
1155 | keymap_len = xcb_get_keyboard_mapping_keysyms_length(mapping_r); | |||
1156 | ||||
1157 | keySyms->mapWidth = map_width; | |||
1158 | keySyms->map = calloc(keymap_len, sizeof(KeySym)); | |||
1159 | ||||
1160 | if (!keySyms->map) { | |||
1161 | EPHYR_LOG_ERROR("Failed to allocate KeySym map."); | |||
1162 | free(mapping_r); | |||
1163 | return FALSE0; | |||
1164 | } | |||
1165 | ||||
1166 | for (i = 0; i < keymap_len; i++) { | |||
1167 | keySyms->map[i] = keymap[i]; | |||
1168 | } | |||
1169 | ||||
1170 | free(mapping_r); | |||
1171 | ||||
1172 | modifier_r = xcb_get_modifier_mapping_reply(HostX.conn, | |||
1173 | modifier_c, | |||
1174 | NULL((void*)0)); | |||
1175 | ||||
1176 | if (!modifier_r) { | |||
1177 | EPHYR_LOG_ERROR("xcb_get_modifier_mapping_reply() failed."); | |||
1178 | return FALSE0; | |||
1179 | } | |||
1180 | ||||
1181 | modifier_map = xcb_get_modifier_mapping_keycodes(modifier_r); | |||
1182 | memset(modmap, 0, sizeof(CARD8) * MAP_LENGTH)__builtin___memset_chk (modmap, 0, sizeof(CARD8) * 256, __builtin_object_size (modmap, 0)); | |||
1183 | ||||
1184 | for (j = 0; j < 8; j++) { | |||
1185 | for (i = 0; i < modifier_r->keycodes_per_modifier; i++) { | |||
1186 | CARD8 keycode; | |||
1187 | ||||
1188 | if ((keycode = modifier_map[j * modifier_r->keycodes_per_modifier + i])) { | |||
1189 | modmap[keycode] |= 1 << j; | |||
1190 | } | |||
1191 | } | |||
1192 | } | |||
1193 | ||||
1194 | free(modifier_r); | |||
1195 | ||||
1196 | controls_r = xcb_xkb_get_controls_reply(HostX.conn, | |||
1197 | controls_c, | |||
1198 | NULL((void*)0)); | |||
1199 | ||||
1200 | if (!controls_r) { | |||
1201 | EPHYR_LOG_ERROR("xcb_xkb_get_controls_reply() failed."); | |||
1202 | return FALSE0; | |||
1203 | } | |||
1204 | ||||
1205 | controls->enabled_ctrls = controls_r->enabledControls; | |||
1206 | ||||
1207 | for (i = 0; i < XkbPerKeyBitArraySize((255 +1)/8); i++) { | |||
1208 | controls->per_key_repeat[i] = controls_r->perKeyRepeat[i]; | |||
1209 | } | |||
1210 | ||||
1211 | free(controls_r); | |||
1212 | ||||
1213 | return TRUE1; | |||
1214 | } | |||
1215 | ||||
1216 | xcb_connection_t * | |||
1217 | hostx_get_xcbconn(void) | |||
1218 | { | |||
1219 | return HostX.conn; | |||
1220 | } | |||
1221 | ||||
1222 | int | |||
1223 | hostx_get_screen(void) | |||
1224 | { | |||
1225 | return HostX.screen; | |||
1226 | } | |||
1227 | ||||
1228 | int | |||
1229 | hostx_get_fd(void) | |||
1230 | { | |||
1231 | return xcb_get_file_descriptor(HostX.conn); | |||
1232 | } | |||
1233 | ||||
1234 | int | |||
1235 | hostx_get_window(int a_screen_number) | |||
1236 | { | |||
1237 | EphyrScrPriv *scrpriv; | |||
1238 | if (a_screen_number < 0 || a_screen_number >= HostX.n_screens) { | |||
1239 | EPHYR_LOG_ERROR("bad screen number:%d\n", a_screen_number); | |||
1240 | return 0; | |||
1241 | } | |||
1242 | scrpriv = HostX.screens[a_screen_number]->driver; | |||
1243 | return scrpriv->win; | |||
1244 | } | |||
1245 | ||||
1246 | int | |||
1247 | hostx_get_window_attributes(int a_window, EphyrHostWindowAttributes * a_attrs) | |||
1248 | { | |||
1249 | xcb_get_geometry_cookie_t geom_cookie; | |||
1250 | xcb_get_window_attributes_cookie_t attr_cookie; | |||
1251 | xcb_get_geometry_reply_t *geom_reply; | |||
1252 | xcb_get_window_attributes_reply_t *attr_reply; | |||
1253 | ||||
1254 | geom_cookie = xcb_get_geometry(HostX.conn, a_window); | |||
1255 | attr_cookie = xcb_get_window_attributes(HostX.conn, a_window); | |||
1256 | geom_reply = xcb_get_geometry_reply(HostX.conn, geom_cookie, NULL((void*)0)); | |||
1257 | attr_reply = xcb_get_window_attributes_reply(HostX.conn, attr_cookie, NULL((void*)0)); | |||
1258 | ||||
1259 | a_attrs->x = geom_reply->x; | |||
1260 | a_attrs->y = geom_reply->y; | |||
1261 | a_attrs->width = geom_reply->width; | |||
1262 | a_attrs->height = geom_reply->height; | |||
1263 | a_attrs->visualid = attr_reply->visual; | |||
1264 | ||||
1265 | free(geom_reply); | |||
1266 | free(attr_reply); | |||
1267 | return TRUE1; | |||
1268 | } | |||
1269 | ||||
1270 | int | |||
1271 | hostx_get_visuals_info(EphyrHostVisualInfo ** a_visuals, int *a_num_entries) | |||
1272 | { | |||
1273 | Bool is_ok = FALSE0; | |||
1274 | EphyrHostVisualInfo *host_visuals = NULL((void*)0); | |||
1275 | int nb_items = 0, i = 0, screen_num; | |||
1276 | xcb_screen_iterator_t screens; | |||
1277 | xcb_depth_iterator_t depths; | |||
1278 | ||||
1279 | EPHYR_RETURN_VAL_IF_FAIL(a_visuals && a_num_entries, FALSE)if (!(a_visuals && a_num_entries)) {;return 0;}; | |||
1280 | EPHYR_LOG("enter\n"); | |||
1281 | ||||
1282 | screens = xcb_setup_roots_iterator(xcb_get_setup(HostX.conn)); | |||
1283 | for (screen_num = 0; screens.rem; screen_num++, xcb_screen_next(&screens)) { | |||
1284 | depths = xcb_screen_allowed_depths_iterator(screens.data); | |||
1285 | for (; depths.rem; xcb_depth_next(&depths)) { | |||
1286 | xcb_visualtype_t *visuals = xcb_depth_visuals(depths.data); | |||
1287 | EphyrHostVisualInfo *tmp_visuals = | |||
1288 | reallocarrayxreallocarray(host_visuals, | |||
1289 | nb_items + depths.data->visuals_len, | |||
1290 | sizeof(EphyrHostVisualInfo)); | |||
1291 | if (!tmp_visuals) { | |||
1292 | goto out; | |||
1293 | } | |||
1294 | host_visuals = tmp_visuals; | |||
1295 | for (i = 0; i < depths.data->visuals_len; i++) { | |||
1296 | host_visuals[nb_items + i].visualid = visuals[i].visual_id; | |||
1297 | host_visuals[nb_items + i].screen = screen_num; | |||
1298 | host_visuals[nb_items + i].depth = depths.data->depth; | |||
1299 | host_visuals[nb_items + i].class = visuals[i]._class; | |||
1300 | host_visuals[nb_items + i].red_mask = visuals[i].red_mask; | |||
1301 | host_visuals[nb_items + i].green_mask = visuals[i].green_mask; | |||
1302 | host_visuals[nb_items + i].blue_mask = visuals[i].blue_mask; | |||
1303 | host_visuals[nb_items + i].colormap_size = visuals[i].colormap_entries; | |||
1304 | host_visuals[nb_items + i].bits_per_rgb = visuals[i].bits_per_rgb_value; | |||
1305 | } | |||
1306 | nb_items += depths.data->visuals_len; | |||
1307 | } | |||
1308 | } | |||
1309 | ||||
1310 | EPHYR_LOG("host advertises %d visuals\n", nb_items); | |||
1311 | *a_visuals = host_visuals; | |||
1312 | *a_num_entries = nb_items; | |||
1313 | host_visuals = NULL((void*)0); | |||
1314 | ||||
1315 | is_ok = TRUE1; | |||
1316 | out: | |||
1317 | free(host_visuals); | |||
1318 | host_visuals = NULL((void*)0); | |||
1319 | EPHYR_LOG("leave\n"); | |||
1320 | return is_ok; | |||
1321 | ||||
1322 | } | |||
1323 | ||||
1324 | int | |||
1325 | hostx_create_window(int a_screen_number, | |||
1326 | EphyrBox * a_geometry, | |||
1327 | int a_visual_id, int *a_host_peer /*out parameter */ ) | |||
1328 | { | |||
1329 | Bool is_ok = FALSE0; | |||
1330 | xcb_window_t win; | |||
1331 | int winmask = 0; | |||
1332 | uint32_t attrs[2]; | |||
1333 | xcb_screen_t *screen = xcb_aux_get_screen(HostX.conn, hostx_get_screen()); | |||
1334 | xcb_visualtype_t *visual; | |||
1335 | int depth = 0; | |||
1336 | EphyrScrPriv *scrpriv = HostX.screens[a_screen_number]->driver; | |||
1337 | ||||
1338 | EPHYR_RETURN_VAL_IF_FAIL(screen && a_geometry, FALSE)if (!(screen && a_geometry)) {;return 0;}; | |||
1339 | ||||
1340 | EPHYR_LOG("enter\n"); | |||
1341 | ||||
1342 | visual = xcb_aux_find_visual_by_id(screen, a_visual_id); | |||
1343 | if (!visual) { | |||
1344 | EPHYR_LOG_ERROR ("argh, could not find a remote visual with id:%d\n", | |||
1345 | a_visual_id); | |||
1346 | goto out; | |||
1347 | } | |||
1348 | depth = xcb_aux_get_depth_of_visual(screen, a_visual_id); | |||
1349 | ||||
1350 | winmask = XCB_CW_EVENT_MASK | XCB_CW_COLORMAP; | |||
1351 | attrs[0] = XCB_EVENT_MASK_BUTTON_PRESS | |||
1352 | |XCB_EVENT_MASK_BUTTON_RELEASE | |||
1353 | |XCB_EVENT_MASK_POINTER_MOTION | |||
1354 | |XCB_EVENT_MASK_KEY_PRESS | |||
1355 | |XCB_EVENT_MASK_KEY_RELEASE | |||
1356 | |XCB_EVENT_MASK_EXPOSURE; | |||
1357 | attrs[1] = xcb_generate_id(HostX.conn); | |||
1358 | xcb_create_colormap(HostX.conn, | |||
1359 | XCB_COLORMAP_ALLOC_NONE, | |||
1360 | attrs[1], | |||
1361 | hostx_get_window(a_screen_number), | |||
1362 | a_visual_id); | |||
1363 | ||||
1364 | win = xcb_generate_id(HostX.conn); | |||
1365 | xcb_create_window(HostX.conn, | |||
1366 | depth, | |||
1367 | win, | |||
1368 | hostx_get_window (a_screen_number), | |||
1369 | a_geometry->x, a_geometry->y, | |||
1370 | a_geometry->width, a_geometry->height, 0, | |||
1371 | XCB_WINDOW_CLASS_COPY_FROM_PARENT, | |||
1372 | a_visual_id, winmask, attrs); | |||
1373 | ||||
1374 | if (scrpriv->peer_win == XCB_NONE0L) { | |||
1375 | scrpriv->peer_win = win; | |||
1376 | } | |||
1377 | else { | |||
1378 | EPHYR_LOG_ERROR("multiple peer windows created for same screen\n"); | |||
1379 | } | |||
1380 | xcb_flush(HostX.conn); | |||
1381 | xcb_map_window(HostX.conn, win); | |||
1382 | *a_host_peer = win; | |||
1383 | is_ok = TRUE1; | |||
1384 | out: | |||
1385 | EPHYR_LOG("leave\n"); | |||
1386 | return is_ok; | |||
1387 | } | |||
1388 | ||||
1389 | int | |||
1390 | hostx_destroy_window(int a_win) | |||
1391 | { | |||
1392 | xcb_destroy_window(HostX.conn, a_win); | |||
1393 | xcb_flush(HostX.conn); | |||
1394 | return TRUE1; | |||
1395 | } | |||
1396 | ||||
1397 | int | |||
1398 | hostx_set_window_geometry(int a_win, EphyrBox * a_geo) | |||
1399 | { | |||
1400 | uint32_t mask = XCB_CONFIG_WINDOW_X | |||
1401 | | XCB_CONFIG_WINDOW_Y | |||
1402 | | XCB_CONFIG_WINDOW_WIDTH | |||
1403 | | XCB_CONFIG_WINDOW_HEIGHT; | |||
1404 | uint32_t values[4]; | |||
1405 | ||||
1406 | EPHYR_RETURN_VAL_IF_FAIL(a_geo, FALSE)if (!(a_geo)) {;return 0;}; | |||
1407 | ||||
1408 | EPHYR_LOG("enter. x,y,w,h:(%d,%d,%d,%d)\n", | |||
1409 | a_geo->x, a_geo->y, a_geo->width, a_geo->height); | |||
1410 | ||||
1411 | values[0] = a_geo->x; | |||
1412 | values[1] = a_geo->y; | |||
1413 | values[2] = a_geo->width; | |||
1414 | values[3] = a_geo->height; | |||
1415 | xcb_configure_window(HostX.conn, a_win, mask, values); | |||
1416 | ||||
1417 | EPHYR_LOG("leave\n"); | |||
1418 | return TRUE1; | |||
1419 | } | |||
1420 | ||||
1421 | int | |||
1422 | hostx_set_window_bounding_rectangles(int a_window, | |||
1423 | EphyrRect * a_rects, int a_num_rects) | |||
1424 | { | |||
1425 | Bool is_ok = FALSE0; | |||
1426 | int i = 0; | |||
1427 | xcb_rectangle_t *rects = NULL((void*)0); | |||
1428 | ||||
1429 | EPHYR_RETURN_VAL_IF_FAIL(a_rects, FALSE)if (!(a_rects)) {;return 0;}; | |||
1430 | ||||
1431 | EPHYR_LOG("enter. num rects:%d\n", a_num_rects); | |||
1432 | ||||
1433 | rects = calloc(a_num_rects, sizeof (xcb_rectangle_t)); | |||
1434 | if (!rects) | |||
1435 | goto out; | |||
1436 | for (i = 0; i < a_num_rects; i++) { | |||
1437 | rects[i].x = a_rects[i].x1; | |||
1438 | rects[i].y = a_rects[i].y1; | |||
1439 | rects[i].width = abs(a_rects[i].x2 - a_rects[i].x1); | |||
1440 | rects[i].height = abs(a_rects[i].y2 - a_rects[i].y1); | |||
1441 | EPHYR_LOG("borders clipped to rect[x:%d,y:%d,w:%d,h:%d]\n", | |||
1442 | rects[i].x, rects[i].y, rects[i].width, rects[i].height); | |||
1443 | } | |||
1444 | xcb_shape_rectangles(HostX.conn, | |||
1445 | XCB_SHAPE_SO_SET, | |||
1446 | XCB_SHAPE_SK_BOUNDING, | |||
1447 | XCB_CLIP_ORDERING_YX_BANDED, | |||
1448 | a_window, | |||
1449 | 0, 0, | |||
1450 | a_num_rects, | |||
1451 | rects); | |||
1452 | is_ok = TRUE1; | |||
1453 | ||||
1454 | out: | |||
1455 | free(rects); | |||
1456 | rects = NULL((void*)0); | |||
1457 | EPHYR_LOG("leave\n"); | |||
1458 | return is_ok; | |||
1459 | } | |||
1460 | ||||
1461 | #ifdef GLAMOR | |||
1462 | Bool | |||
1463 | ephyr_glamor_init(ScreenPtr screen) | |||
1464 | { | |||
1465 | KdScreenPriv(screen)KdPrivScreenPtr pScreenPriv = ((KdPrivScreenPtr) dixLookupPrivate (&(screen)->devPrivates, (&kdScreenPrivateKeyRec)) ); | |||
1466 | KdScreenInfo *kd_screen = pScreenPriv->screen; | |||
1467 | EphyrScrPriv *scrpriv = kd_screen->driver; | |||
1468 | ||||
1469 | scrpriv->glamor = ephyr_glamor_glx_screen_init(scrpriv->win); | |||
1470 | ephyr_glamor_set_window_size(scrpriv->glamor, | |||
1471 | scrpriv->win_width, scrpriv->win_height); | |||
1472 | ||||
1473 | if (!glamor_init(screen, 0)) { | |||
1474 | FatalError("Failed to initialize glamor\n"); | |||
1475 | return FALSE0; | |||
1476 | } | |||
1477 | ||||
1478 | return TRUE1; | |||
1479 | } | |||
1480 | ||||
1481 | Bool | |||
1482 | ephyr_glamor_create_screen_resources(ScreenPtr pScreen) | |||
1483 | { | |||
1484 | KdScreenPriv(pScreen)KdPrivScreenPtr pScreenPriv = ((KdPrivScreenPtr) dixLookupPrivate (&(pScreen)->devPrivates, (&kdScreenPrivateKeyRec) )); | |||
1485 | KdScreenInfo *kd_screen = pScreenPriv->screen; | |||
1486 | EphyrScrPriv *scrpriv = kd_screen->driver; | |||
1487 | PixmapPtr screen_pixmap; | |||
1488 | uint32_t tex; | |||
1489 | ||||
1490 | if (!ephyr_glamor) | |||
1491 | return TRUE1; | |||
1492 | ||||
1493 | /* kdrive's fbSetupScreen() told mi to have | |||
1494 | * miCreateScreenResources() (which is called before this) make a | |||
1495 | * scratch pixmap wrapping ephyr-glamor's NULL | |||
1496 | * KdScreenInfo->fb.framebuffer. | |||
1497 | * | |||
1498 | * We want a real (texture-based) screen pixmap at this point. | |||
1499 | * This is what glamor will render into, and we'll then texture | |||
1500 | * out of that into the host's window to present the results. | |||
1501 | * | |||
1502 | * Thus, delete the current screen pixmap, and put a fresh one in. | |||
1503 | */ | |||
1504 | screen_pixmap = pScreen->GetScreenPixmap(pScreen); | |||
1505 | pScreen->DestroyPixmap(screen_pixmap); | |||
1506 | ||||
1507 | screen_pixmap = pScreen->CreatePixmap(pScreen, | |||
1508 | pScreen->width, | |||
1509 | pScreen->height, | |||
1510 | pScreen->rootDepth, | |||
1511 | GLAMOR_CREATE_NO_LARGE); | |||
1512 | ||||
1513 | pScreen->SetScreenPixmap(screen_pixmap); | |||
1514 | ||||
1515 | /* Tell the GLX code what to GL texture to read from. */ | |||
1516 | tex = glamor_get_pixmap_texture(screen_pixmap); | |||
1517 | ephyr_glamor_set_texture(scrpriv->glamor, tex); | |||
1518 | ||||
1519 | return TRUE1; | |||
1520 | } | |||
1521 | ||||
1522 | void | |||
1523 | ephyr_glamor_enable(ScreenPtr screen) | |||
1524 | { | |||
1525 | } | |||
1526 | ||||
1527 | void | |||
1528 | ephyr_glamor_disable(ScreenPtr screen) | |||
1529 | { | |||
1530 | } | |||
1531 | ||||
1532 | void | |||
1533 | ephyr_glamor_fini(ScreenPtr screen) | |||
1534 | { | |||
1535 | KdScreenPriv(screen)KdPrivScreenPtr pScreenPriv = ((KdPrivScreenPtr) dixLookupPrivate (&(screen)->devPrivates, (&kdScreenPrivateKeyRec)) ); | |||
1536 | KdScreenInfo *kd_screen = pScreenPriv->screen; | |||
1537 | EphyrScrPriv *scrpriv = kd_screen->driver; | |||
1538 | ||||
1539 | glamor_fini(screen); | |||
1540 | ephyr_glamor_glx_screen_fini(scrpriv->glamor); | |||
1541 | scrpriv->glamor = NULL((void*)0); | |||
1542 | } | |||
1543 | #endif |