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exec: Restrict inclusion of 'user/guest-base.h'
[qemu/armbru.git] / ui / console.c
blob43226c5c1454a2952322bc42da707ebb4bea540e
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qapi/error.h"
29 #include "qapi/qapi-commands-ui.h"
30 #include "qapi/visitor.h"
31 #include "qemu/coroutine.h"
32 #include "qemu/error-report.h"
33 #include "qemu/main-loop.h"
34 #include "qemu/module.h"
35 #include "qemu/option.h"
36 #include "chardev/char.h"
37 #include "trace.h"
38 #include "exec/memory.h"
39 #include "qom/object.h"
40
41 #include "console-priv.h"
42
43 OBJECT_DEFINE_ABSTRACT_TYPE(QemuConsole, qemu_console, QEMU_CONSOLE, OBJECT)
44
45 typedef struct QemuGraphicConsole {
46 QemuConsole parent;
47
48 Object *device;
49 uint32_t head;
50
51 QEMUCursor *cursor;
52 int cursor_x, cursor_y, cursor_on;
53 } QemuGraphicConsole;
54
55 typedef QemuConsoleClass QemuGraphicConsoleClass;
56
57 OBJECT_DEFINE_TYPE(QemuGraphicConsole, qemu_graphic_console, QEMU_GRAPHIC_CONSOLE, QEMU_CONSOLE)
58
59 struct DisplayState {
60 QEMUTimer *gui_timer;
61 uint64_t last_update;
62 uint64_t update_interval;
63 bool refreshing;
64
65 QLIST_HEAD(, DisplayChangeListener) listeners;
66 };
67
68 static DisplayState *display_state;
69 static QTAILQ_HEAD(, QemuConsole) consoles =
70 QTAILQ_HEAD_INITIALIZER(consoles);
71
72 static void dpy_refresh(DisplayState *s);
73 static DisplayState *get_alloc_displaystate(void);
74 static bool displaychangelistener_has_dmabuf(DisplayChangeListener *dcl);
75 static bool console_compatible_with(QemuConsole *con,
76 DisplayChangeListener *dcl, Error **errp);
77 static QemuConsole *qemu_graphic_console_lookup_unused(void);
78 static void dpy_set_ui_info_timer(void *opaque);
79
80 static void gui_update(void *opaque)
81 {
82 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
83 uint64_t dcl_interval;
84 DisplayState *ds = opaque;
85 DisplayChangeListener *dcl;
86
87 ds->refreshing = true;
88 dpy_refresh(ds);
89 ds->refreshing = false;
90
91 QLIST_FOREACH(dcl, &ds->listeners, next) {
92 dcl_interval = dcl->update_interval ?
93 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
94 if (interval > dcl_interval) {
95 interval = dcl_interval;
96 }
97 }
98 if (ds->update_interval != interval) {
99 ds->update_interval = interval;
100 trace_console_refresh(interval);
101 }
102 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
103 timer_mod(ds->gui_timer, ds->last_update + interval);
104 }
105
106 static void gui_setup_refresh(DisplayState *ds)
107 {
108 DisplayChangeListener *dcl;
109 bool need_timer = false;
110
111 QLIST_FOREACH(dcl, &ds->listeners, next) {
112 if (dcl->ops->dpy_refresh != NULL) {
113 need_timer = true;
114 }
115 }
116
117 if (need_timer && ds->gui_timer == NULL) {
118 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
119 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
120 }
121 if (!need_timer && ds->gui_timer != NULL) {
122 timer_free(ds->gui_timer);
123 ds->gui_timer = NULL;
124 }
125 }
126
127 void graphic_hw_update_done(QemuConsole *con)
128 {
129 if (con) {
130 qemu_co_enter_all(&con->dump_queue, NULL);
131 }
132 }
133
134 void graphic_hw_update(QemuConsole *con)
135 {
136 bool async = false;
137 if (!con) {
138 return;
139 }
140 if (con->hw_ops->gfx_update) {
141 con->hw_ops->gfx_update(con->hw);
142 async = con->hw_ops->gfx_update_async;
143 }
144 if (!async) {
145 graphic_hw_update_done(con);
146 }
147 }
148
149 static void graphic_hw_update_bh(void *con)
150 {
151 graphic_hw_update(con);
152 }
153
154 void qemu_console_co_wait_update(QemuConsole *con)
155 {
156 if (qemu_co_queue_empty(&con->dump_queue)) {
157 /* Defer the update, it will restart the pending coroutines */
158 aio_bh_schedule_oneshot(qemu_get_aio_context(),
159 graphic_hw_update_bh, con);
160 }
161 qemu_co_queue_wait(&con->dump_queue, NULL);
162
163 }
164
165 static void graphic_hw_gl_unblock_timer(void *opaque)
166 {
167 warn_report("console: no gl-unblock within one second");
168 }
169
170 void graphic_hw_gl_block(QemuConsole *con, bool block)
171 {
172 uint64_t timeout;
173 assert(con != NULL);
174
175 if (block) {
176 con->gl_block++;
177 } else {
178 con->gl_block--;
179 }
180 assert(con->gl_block >= 0);
181 if (!con->hw_ops->gl_block) {
182 return;
183 }
184 if ((block && con->gl_block != 1) || (!block && con->gl_block != 0)) {
185 return;
186 }
187 con->hw_ops->gl_block(con->hw, block);
188
189 if (block) {
190 timeout = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
191 timeout += 1000; /* one sec */
192 timer_mod(con->gl_unblock_timer, timeout);
193 } else {
194 timer_del(con->gl_unblock_timer);
195 }
196 }
197
198 int qemu_console_get_window_id(QemuConsole *con)
199 {
200 return con->window_id;
201 }
202
203 void qemu_console_set_window_id(QemuConsole *con, int window_id)
204 {
205 con->window_id = window_id;
206 }
207
208 void graphic_hw_invalidate(QemuConsole *con)
209 {
210 if (con && con->hw_ops->invalidate) {
211 con->hw_ops->invalidate(con->hw);
212 }
213 }
214
215 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
216 {
217 if (con && con->hw_ops->text_update) {
218 con->hw_ops->text_update(con->hw, chardata);
219 }
220 }
221
222 static void displaychangelistener_gfx_switch(DisplayChangeListener *dcl,
223 struct DisplaySurface *new_surface,
224 bool update)
225 {
226 if (dcl->ops->dpy_gfx_switch) {
227 dcl->ops->dpy_gfx_switch(dcl, new_surface);
228 }
229
230 if (update && dcl->ops->dpy_gfx_update) {
231 dcl->ops->dpy_gfx_update(dcl, 0, 0,
232 surface_width(new_surface),
233 surface_height(new_surface));
234 }
235 }
236
237 static void dpy_gfx_create_texture(QemuConsole *con, DisplaySurface *surface)
238 {
239 if (con->gl && con->gl->ops->dpy_gl_ctx_create_texture) {
240 con->gl->ops->dpy_gl_ctx_create_texture(con->gl, surface);
241 }
242 }
243
244 static void dpy_gfx_destroy_texture(QemuConsole *con, DisplaySurface *surface)
245 {
246 if (con->gl && con->gl->ops->dpy_gl_ctx_destroy_texture) {
247 con->gl->ops->dpy_gl_ctx_destroy_texture(con->gl, surface);
248 }
249 }
250
251 static void dpy_gfx_update_texture(QemuConsole *con, DisplaySurface *surface,
252 int x, int y, int w, int h)
253 {
254 if (con->gl && con->gl->ops->dpy_gl_ctx_update_texture) {
255 con->gl->ops->dpy_gl_ctx_update_texture(con->gl, surface, x, y, w, h);
256 }
257 }
258
259 static void displaychangelistener_display_console(DisplayChangeListener *dcl,
260 Error **errp)
261 {
262 static const char nodev[] =
263 "This VM has no graphic display device.";
264 static DisplaySurface *dummy;
265 QemuConsole *con = dcl->con;
266
267 if (!con || !console_compatible_with(con, dcl, errp)) {
268 if (!dummy) {
269 dummy = qemu_create_placeholder_surface(640, 480, nodev);
270 }
271 if (con) {
272 dpy_gfx_create_texture(con, dummy);
273 }
274 displaychangelistener_gfx_switch(dcl, dummy, TRUE);
275 return;
276 }
277
278 dpy_gfx_create_texture(con, con->surface);
279 displaychangelistener_gfx_switch(dcl, con->surface,
280 con->scanout.kind == SCANOUT_SURFACE);
281
282 if (con->scanout.kind == SCANOUT_DMABUF &&
283 displaychangelistener_has_dmabuf(dcl)) {
284 dcl->ops->dpy_gl_scanout_dmabuf(dcl, con->scanout.dmabuf);
285 } else if (con->scanout.kind == SCANOUT_TEXTURE &&
286 dcl->ops->dpy_gl_scanout_texture) {
287 dcl->ops->dpy_gl_scanout_texture(dcl,
288 con->scanout.texture.backing_id,
289 con->scanout.texture.backing_y_0_top,
290 con->scanout.texture.backing_width,
291 con->scanout.texture.backing_height,
292 con->scanout.texture.x,
293 con->scanout.texture.y,
294 con->scanout.texture.width,
295 con->scanout.texture.height,
296 con->scanout.texture.d3d_tex2d);
297 }
298 }
299
300 void qemu_text_console_put_keysym(QemuTextConsole *s, int keysym)
301 {
302 qemu_text_console_handle_keysym(s, keysym);
303 }
304
305 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
306 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
307 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
308 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
309 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
310 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
311 [Q_KEY_CODE_END] = QEMU_KEY_END,
312 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
313 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
314 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
315 [Q_KEY_CODE_TAB] = QEMU_KEY_TAB,
316 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
317 };
318
319 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
320 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
321 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
322 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
323 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
324 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
325 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
326 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
327 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
328 };
329
330 bool qemu_text_console_put_qcode(QemuTextConsole *s, int qcode, bool ctrl)
331 {
332 int keysym;
333
334 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
335 if (keysym == 0) {
336 return false;
337 }
338 qemu_text_console_put_keysym(s, keysym);
339 return true;
340 }
341
342 void qemu_text_console_put_string(QemuTextConsole *s, const char *str, int len)
343 {
344 int i;
345
346 for (i = 0; i < len && str[i]; i++) {
347 qemu_text_console_put_keysym(s, str[i]);
348 }
349 }
350
351 static void
352 qemu_console_register(QemuConsole *c)
353 {
354 int i;
355
356 if (QTAILQ_EMPTY(&consoles)) {
357 c->index = 0;
358 QTAILQ_INSERT_TAIL(&consoles, c, next);
359 } else if (!QEMU_IS_GRAPHIC_CONSOLE(c) || phase_check(PHASE_MACHINE_READY)) {
360 QemuConsole *last = QTAILQ_LAST(&consoles);
361 c->index = last->index + 1;
362 QTAILQ_INSERT_TAIL(&consoles, c, next);
363 } else {
364 /*
365 * HACK: Put graphical consoles before text consoles.
366 *
367 * Only do that for coldplugged devices. After initial device
368 * initialization we will not renumber the consoles any more.
369 */
370 QemuConsole *it = QTAILQ_FIRST(&consoles);
371
372 while (QTAILQ_NEXT(it, next) != NULL && QEMU_IS_GRAPHIC_CONSOLE(it)) {
373 it = QTAILQ_NEXT(it, next);
374 }
375 if (QEMU_IS_GRAPHIC_CONSOLE(it)) {
376 /* have no text consoles */
377 c->index = it->index + 1;
378 QTAILQ_INSERT_AFTER(&consoles, it, c, next);
379 } else {
380 c->index = it->index;
381 QTAILQ_INSERT_BEFORE(it, c, next);
382 /* renumber text consoles */
383 for (i = c->index + 1; it != NULL; it = QTAILQ_NEXT(it, next), i++) {
384 it->index = i;
385 }
386 }
387 }
388 }
389
390 static void
391 qemu_console_finalize(Object *obj)
392 {
393 QemuConsole *c = QEMU_CONSOLE(obj);
394
395 /* TODO: check this code path, and unregister from consoles */
396 g_clear_pointer(&c->surface, qemu_free_displaysurface);
397 g_clear_pointer(&c->gl_unblock_timer, timer_free);
398 g_clear_pointer(&c->ui_timer, timer_free);
399 }
400
401 static void
402 qemu_console_class_init(ObjectClass *oc, void *data)
403 {
404 }
405
406 static void
407 qemu_console_init(Object *obj)
408 {
409 QemuConsole *c = QEMU_CONSOLE(obj);
410 DisplayState *ds = get_alloc_displaystate();
411
412 qemu_co_queue_init(&c->dump_queue);
413 c->ds = ds;
414 c->window_id = -1;
415 c->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
416 dpy_set_ui_info_timer, c);
417 qemu_console_register(c);
418 }
419
420 static void
421 qemu_graphic_console_finalize(Object *obj)
422 {
423 QemuGraphicConsole *c = QEMU_GRAPHIC_CONSOLE(obj);
424
425 g_clear_pointer(&c->device, object_unref);
426 }
427
428 static void
429 qemu_graphic_console_prop_get_head(Object *obj, Visitor *v, const char *name,
430 void *opaque, Error **errp)
431 {
432 QemuGraphicConsole *c = QEMU_GRAPHIC_CONSOLE(obj);
433
434 visit_type_uint32(v, name, &c->head, errp);
435 }
436
437 static void
438 qemu_graphic_console_class_init(ObjectClass *oc, void *data)
439 {
440 object_class_property_add_link(oc, "device", TYPE_DEVICE,
441 offsetof(QemuGraphicConsole, device),
442 object_property_allow_set_link,
443 OBJ_PROP_LINK_STRONG);
444 object_class_property_add(oc, "head", "uint32",
445 qemu_graphic_console_prop_get_head,
446 NULL, NULL, NULL);
447 }
448
449 static void
450 qemu_graphic_console_init(Object *obj)
451 {
452 }
453
454 #ifdef WIN32
455 void qemu_displaysurface_win32_set_handle(DisplaySurface *surface,
456 HANDLE h, uint32_t offset)
457 {
458 assert(!surface->handle);
459
460 surface->handle = h;
461 surface->handle_offset = offset;
462 }
463
464 static void
465 win32_pixman_image_destroy(pixman_image_t *image, void *data)
466 {
467 DisplaySurface *surface = data;
468
469 if (!surface->handle) {
470 return;
471 }
472
473 assert(surface->handle_offset == 0);
474
475 qemu_win32_map_free(
476 pixman_image_get_data(surface->image),
477 surface->handle,
478 &error_warn
479 );
480 }
481 #endif
482
483 DisplaySurface *qemu_create_displaysurface(int width, int height)
484 {
485 DisplaySurface *surface;
486 void *bits = NULL;
487 #ifdef WIN32
488 HANDLE handle = NULL;
489 #endif
490
491 trace_displaysurface_create(width, height);
492
493 #ifdef WIN32
494 bits = qemu_win32_map_alloc(width * height * 4, &handle, &error_abort);
495 #endif
496
497 surface = qemu_create_displaysurface_from(
498 width, height,
499 PIXMAN_x8r8g8b8,
500 width * 4, bits
501 );
502 surface->flags = QEMU_ALLOCATED_FLAG;
503
504 #ifdef WIN32
505 qemu_displaysurface_win32_set_handle(surface, handle, 0);
506 #endif
507 return surface;
508 }
509
510 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
511 pixman_format_code_t format,
512 int linesize, uint8_t *data)
513 {
514 DisplaySurface *surface = g_new0(DisplaySurface, 1);
515
516 trace_displaysurface_create_from(surface, width, height, format);
517 surface->image = pixman_image_create_bits(format,
518 width, height,
519 (void *)data, linesize);
520 assert(surface->image != NULL);
521 #ifdef WIN32
522 pixman_image_set_destroy_function(surface->image,
523 win32_pixman_image_destroy, surface);
524 #endif
525
526 return surface;
527 }
528
529 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
530 {
531 DisplaySurface *surface = g_new0(DisplaySurface, 1);
532
533 trace_displaysurface_create_pixman(surface);
534 surface->image = pixman_image_ref(image);
535
536 return surface;
537 }
538
539 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
540 const char *msg)
541 {
542 DisplaySurface *surface = qemu_create_displaysurface(w, h);
543 #ifdef CONFIG_PIXMAN
544 pixman_color_t bg = QEMU_PIXMAN_COLOR_BLACK;
545 pixman_color_t fg = QEMU_PIXMAN_COLOR_GRAY;
546 pixman_image_t *glyph;
547 int len, x, y, i;
548
549 len = strlen(msg);
550 x = (w / FONT_WIDTH - len) / 2;
551 y = (h / FONT_HEIGHT - 1) / 2;
552 for (i = 0; i < len; i++) {
553 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
554 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
555 x+i, y, FONT_WIDTH, FONT_HEIGHT);
556 qemu_pixman_image_unref(glyph);
557 }
558 #endif
559 surface->flags |= QEMU_PLACEHOLDER_FLAG;
560 return surface;
561 }
562
563 void qemu_free_displaysurface(DisplaySurface *surface)
564 {
565 if (surface == NULL) {
566 return;
567 }
568 trace_displaysurface_free(surface);
569 qemu_pixman_image_unref(surface->image);
570 g_free(surface);
571 }
572
573 bool console_has_gl(QemuConsole *con)
574 {
575 return con->gl != NULL;
576 }
577
578 static bool displaychangelistener_has_dmabuf(DisplayChangeListener *dcl)
579 {
580 if (dcl->ops->dpy_has_dmabuf) {
581 return dcl->ops->dpy_has_dmabuf(dcl);
582 }
583
584 if (dcl->ops->dpy_gl_scanout_dmabuf) {
585 return true;
586 }
587
588 return false;
589 }
590
591 static bool console_compatible_with(QemuConsole *con,
592 DisplayChangeListener *dcl, Error **errp)
593 {
594 int flags;
595
596 flags = con->hw_ops->get_flags ? con->hw_ops->get_flags(con->hw) : 0;
597
598 if (console_has_gl(con) &&
599 !con->gl->ops->dpy_gl_ctx_is_compatible_dcl(con->gl, dcl)) {
600 error_setg(errp, "Display %s is incompatible with the GL context",
601 dcl->ops->dpy_name);
602 return false;
603 }
604
605 if (flags & GRAPHIC_FLAGS_GL &&
606 !console_has_gl(con)) {
607 error_setg(errp, "The console requires a GL context.");
608 return false;
609
610 }
611
612 if (flags & GRAPHIC_FLAGS_DMABUF &&
613 !displaychangelistener_has_dmabuf(dcl)) {
614 error_setg(errp, "The console requires display DMABUF support.");
615 return false;
616 }
617
618 return true;
619 }
620
621 void console_handle_touch_event(QemuConsole *con,
622 struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX],
623 uint64_t num_slot,
624 int width, int height,
625 double x, double y,
626 InputMultiTouchType type,
627 Error **errp)
628 {
629 struct touch_slot *slot;
630 bool needs_sync = false;
631 int update;
632 int i;
633
634 if (num_slot >= INPUT_EVENT_SLOTS_MAX) {
635 error_setg(errp,
636 "Unexpected touch slot number: % " PRId64" >= %d",
637 num_slot, INPUT_EVENT_SLOTS_MAX);
638 return;
639 }
640
641 slot = &touch_slots[num_slot];
642 slot->x = x;
643 slot->y = y;
644
645 if (type == INPUT_MULTI_TOUCH_TYPE_BEGIN) {
646 slot->tracking_id = num_slot;
647 }
648
649 for (i = 0; i < INPUT_EVENT_SLOTS_MAX; ++i) {
650 if (i == num_slot) {
651 update = type;
652 } else {
653 update = INPUT_MULTI_TOUCH_TYPE_UPDATE;
654 }
655
656 slot = &touch_slots[i];
657
658 if (slot->tracking_id == -1) {
659 continue;
660 }
661
662 if (update == INPUT_MULTI_TOUCH_TYPE_END) {
663 slot->tracking_id = -1;
664 qemu_input_queue_mtt(con, update, i, slot->tracking_id);
665 needs_sync = true;
666 } else {
667 qemu_input_queue_mtt(con, update, i, slot->tracking_id);
668 qemu_input_queue_btn(con, INPUT_BUTTON_TOUCH, true);
669 qemu_input_queue_mtt_abs(con,
670 INPUT_AXIS_X, (int) slot->x,
671 0, width,
672 i, slot->tracking_id);
673 qemu_input_queue_mtt_abs(con,
674 INPUT_AXIS_Y, (int) slot->y,
675 0, height,
676 i, slot->tracking_id);
677 needs_sync = true;
678 }
679 }
680
681 if (needs_sync) {
682 qemu_input_event_sync();
683 }
684 }
685
686 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *gl)
687 {
688 /* display has opengl support */
689 assert(con);
690 if (con->gl) {
691 error_report("The console already has an OpenGL context.");
692 exit(1);
693 }
694 con->gl = gl;
695 }
696
697 static void
698 dcl_set_graphic_cursor(DisplayChangeListener *dcl, QemuGraphicConsole *con)
699 {
700 if (con && con->cursor && dcl->ops->dpy_cursor_define) {
701 dcl->ops->dpy_cursor_define(dcl, con->cursor);
702 }
703 if (con && dcl->ops->dpy_mouse_set) {
704 dcl->ops->dpy_mouse_set(dcl, con->cursor_x, con->cursor_y, con->cursor_on);
705 }
706 }
707
708 void register_displaychangelistener(DisplayChangeListener *dcl)
709 {
710 assert(!dcl->ds);
711
712 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
713 dcl->ds = get_alloc_displaystate();
714 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
715 gui_setup_refresh(dcl->ds);
716 if (dcl->con) {
717 dcl->con->dcls++;
718 }
719 displaychangelistener_display_console(dcl, &error_fatal);
720 if (QEMU_IS_GRAPHIC_CONSOLE(dcl->con)) {
721 dcl_set_graphic_cursor(dcl, QEMU_GRAPHIC_CONSOLE(dcl->con));
722 } else if (QEMU_IS_TEXT_CONSOLE(dcl->con)) {
723 qemu_text_console_update_size(QEMU_TEXT_CONSOLE(dcl->con));
724 }
725 qemu_text_console_update_cursor();
726 }
727
728 void update_displaychangelistener(DisplayChangeListener *dcl,
729 uint64_t interval)
730 {
731 DisplayState *ds = dcl->ds;
732
733 dcl->update_interval = interval;
734 if (!ds->refreshing && ds->update_interval > interval) {
735 timer_mod(ds->gui_timer, ds->last_update + interval);
736 }
737 }
738
739 void unregister_displaychangelistener(DisplayChangeListener *dcl)
740 {
741 DisplayState *ds = dcl->ds;
742 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
743 if (dcl->con) {
744 dcl->con->dcls--;
745 }
746 QLIST_REMOVE(dcl, next);
747 dcl->ds = NULL;
748 gui_setup_refresh(ds);
749 }
750
751 static void dpy_set_ui_info_timer(void *opaque)
752 {
753 QemuConsole *con = opaque;
754 uint32_t head = qemu_console_get_head(con);
755
756 con->hw_ops->ui_info(con->hw, head, &con->ui_info);
757 }
758
759 bool dpy_ui_info_supported(const QemuConsole *con)
760 {
761 if (con == NULL) {
762 return false;
763 }
764
765 return con->hw_ops->ui_info != NULL;
766 }
767
768 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con)
769 {
770 assert(dpy_ui_info_supported(con));
771
772 return &con->ui_info;
773 }
774
775 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay)
776 {
777 if (!dpy_ui_info_supported(con)) {
778 return -1;
779 }
780 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
781 /* nothing changed -- ignore */
782 return 0;
783 }
784
785 /*
786 * Typically we get a flood of these as the user resizes the window.
787 * Wait until the dust has settled (one second without updates), then
788 * go notify the guest.
789 */
790 con->ui_info = *info;
791 timer_mod(con->ui_timer,
792 qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + (delay ? 1000 : 0));
793 return 0;
794 }
795
796 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
797 {
798 DisplayState *s = con->ds;
799 DisplayChangeListener *dcl;
800 int width = qemu_console_get_width(con, x + w);
801 int height = qemu_console_get_height(con, y + h);
802
803 x = MAX(x, 0);
804 y = MAX(y, 0);
805 x = MIN(x, width);
806 y = MIN(y, height);
807 w = MIN(w, width - x);
808 h = MIN(h, height - y);
809
810 if (!qemu_console_is_visible(con)) {
811 return;
812 }
813 dpy_gfx_update_texture(con, con->surface, x, y, w, h);
814 QLIST_FOREACH(dcl, &s->listeners, next) {
815 if (con != dcl->con) {
816 continue;
817 }
818 if (dcl->ops->dpy_gfx_update) {
819 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
820 }
821 }
822 }
823
824 void dpy_gfx_update_full(QemuConsole *con)
825 {
826 int w = qemu_console_get_width(con, 0);
827 int h = qemu_console_get_height(con, 0);
828
829 dpy_gfx_update(con, 0, 0, w, h);
830 }
831
832 void dpy_gfx_replace_surface(QemuConsole *con,
833 DisplaySurface *surface)
834 {
835 static const char placeholder_msg[] = "Display output is not active.";
836 DisplayState *s = con->ds;
837 DisplaySurface *old_surface = con->surface;
838 DisplaySurface *new_surface = surface;
839 DisplayChangeListener *dcl;
840 int width;
841 int height;
842
843 if (!surface) {
844 if (old_surface) {
845 width = surface_width(old_surface);
846 height = surface_height(old_surface);
847 } else {
848 width = 640;
849 height = 480;
850 }
851
852 new_surface = qemu_create_placeholder_surface(width, height, placeholder_msg);
853 }
854
855 assert(old_surface != new_surface);
856
857 con->scanout.kind = SCANOUT_SURFACE;
858 con->surface = new_surface;
859 dpy_gfx_create_texture(con, new_surface);
860 QLIST_FOREACH(dcl, &s->listeners, next) {
861 if (con != dcl->con) {
862 continue;
863 }
864 displaychangelistener_gfx_switch(dcl, new_surface, surface ? FALSE : TRUE);
865 }
866 dpy_gfx_destroy_texture(con, old_surface);
867 qemu_free_displaysurface(old_surface);
868 }
869
870 bool dpy_gfx_check_format(QemuConsole *con,
871 pixman_format_code_t format)
872 {
873 DisplayChangeListener *dcl;
874 DisplayState *s = con->ds;
875
876 QLIST_FOREACH(dcl, &s->listeners, next) {
877 if (dcl->con && dcl->con != con) {
878 /* dcl bound to another console -> skip */
879 continue;
880 }
881 if (dcl->ops->dpy_gfx_check_format) {
882 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
883 return false;
884 }
885 } else {
886 /* default is to allow native 32 bpp only */
887 if (format != qemu_default_pixman_format(32, true)) {
888 return false;
889 }
890 }
891 }
892 return true;
893 }
894
895 static void dpy_refresh(DisplayState *s)
896 {
897 DisplayChangeListener *dcl;
898
899 QLIST_FOREACH(dcl, &s->listeners, next) {
900 if (dcl->ops->dpy_refresh) {
901 dcl->ops->dpy_refresh(dcl);
902 }
903 }
904 }
905
906 void dpy_text_cursor(QemuConsole *con, int x, int y)
907 {
908 DisplayState *s = con->ds;
909 DisplayChangeListener *dcl;
910
911 if (!qemu_console_is_visible(con)) {
912 return;
913 }
914 QLIST_FOREACH(dcl, &s->listeners, next) {
915 if (con != dcl->con) {
916 continue;
917 }
918 if (dcl->ops->dpy_text_cursor) {
919 dcl->ops->dpy_text_cursor(dcl, x, y);
920 }
921 }
922 }
923
924 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
925 {
926 DisplayState *s = con->ds;
927 DisplayChangeListener *dcl;
928
929 if (!qemu_console_is_visible(con)) {
930 return;
931 }
932 QLIST_FOREACH(dcl, &s->listeners, next) {
933 if (con != dcl->con) {
934 continue;
935 }
936 if (dcl->ops->dpy_text_update) {
937 dcl->ops->dpy_text_update(dcl, x, y, w, h);
938 }
939 }
940 }
941
942 void dpy_text_resize(QemuConsole *con, int w, int h)
943 {
944 DisplayState *s = con->ds;
945 DisplayChangeListener *dcl;
946
947 if (!qemu_console_is_visible(con)) {
948 return;
949 }
950 QLIST_FOREACH(dcl, &s->listeners, next) {
951 if (con != dcl->con) {
952 continue;
953 }
954 if (dcl->ops->dpy_text_resize) {
955 dcl->ops->dpy_text_resize(dcl, w, h);
956 }
957 }
958 }
959
960 void dpy_mouse_set(QemuConsole *c, int x, int y, int on)
961 {
962 QemuGraphicConsole *con = QEMU_GRAPHIC_CONSOLE(c);
963 DisplayState *s = c->ds;
964 DisplayChangeListener *dcl;
965
966 con->cursor_x = x;
967 con->cursor_y = y;
968 con->cursor_on = on;
969 if (!qemu_console_is_visible(c)) {
970 return;
971 }
972 QLIST_FOREACH(dcl, &s->listeners, next) {
973 if (c != dcl->con) {
974 continue;
975 }
976 if (dcl->ops->dpy_mouse_set) {
977 dcl->ops->dpy_mouse_set(dcl, x, y, on);
978 }
979 }
980 }
981
982 void dpy_cursor_define(QemuConsole *c, QEMUCursor *cursor)
983 {
984 QemuGraphicConsole *con = QEMU_GRAPHIC_CONSOLE(c);
985 DisplayState *s = c->ds;
986 DisplayChangeListener *dcl;
987
988 cursor_unref(con->cursor);
989 con->cursor = cursor_ref(cursor);
990 if (!qemu_console_is_visible(c)) {
991 return;
992 }
993 QLIST_FOREACH(dcl, &s->listeners, next) {
994 if (c != dcl->con) {
995 continue;
996 }
997 if (dcl->ops->dpy_cursor_define) {
998 dcl->ops->dpy_cursor_define(dcl, cursor);
999 }
1000 }
1001 }
1002
1003 bool dpy_cursor_define_supported(QemuConsole *con)
1004 {
1005 DisplayState *s = con->ds;
1006 DisplayChangeListener *dcl;
1007
1008 QLIST_FOREACH(dcl, &s->listeners, next) {
1009 if (dcl->ops->dpy_cursor_define) {
1010 return true;
1011 }
1012 }
1013 return false;
1014 }
1015
1016 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1017 struct QEMUGLParams *qparams)
1018 {
1019 assert(con->gl);
1020 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1021 }
1022
1023 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1024 {
1025 assert(con->gl);
1026 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1027 }
1028
1029 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1030 {
1031 assert(con->gl);
1032 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1033 }
1034
1035 void dpy_gl_scanout_disable(QemuConsole *con)
1036 {
1037 DisplayState *s = con->ds;
1038 DisplayChangeListener *dcl;
1039
1040 if (con->scanout.kind != SCANOUT_SURFACE) {
1041 con->scanout.kind = SCANOUT_NONE;
1042 }
1043 QLIST_FOREACH(dcl, &s->listeners, next) {
1044 if (con != dcl->con) {
1045 continue;
1046 }
1047 if (dcl->ops->dpy_gl_scanout_disable) {
1048 dcl->ops->dpy_gl_scanout_disable(dcl);
1049 }
1050 }
1051 }
1052
1053 void dpy_gl_scanout_texture(QemuConsole *con,
1054 uint32_t backing_id,
1055 bool backing_y_0_top,
1056 uint32_t backing_width,
1057 uint32_t backing_height,
1058 uint32_t x, uint32_t y,
1059 uint32_t width, uint32_t height,
1060 void *d3d_tex2d)
1061 {
1062 DisplayState *s = con->ds;
1063 DisplayChangeListener *dcl;
1064
1065 con->scanout.kind = SCANOUT_TEXTURE;
1066 con->scanout.texture = (ScanoutTexture) {
1067 backing_id, backing_y_0_top, backing_width, backing_height,
1068 x, y, width, height, d3d_tex2d,
1069 };
1070 QLIST_FOREACH(dcl, &s->listeners, next) {
1071 if (con != dcl->con) {
1072 continue;
1073 }
1074 if (dcl->ops->dpy_gl_scanout_texture) {
1075 dcl->ops->dpy_gl_scanout_texture(dcl, backing_id,
1076 backing_y_0_top,
1077 backing_width, backing_height,
1078 x, y, width, height,
1079 d3d_tex2d);
1080 }
1081 }
1082 }
1083
1084 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1085 QemuDmaBuf *dmabuf)
1086 {
1087 DisplayState *s = con->ds;
1088 DisplayChangeListener *dcl;
1089
1090 con->scanout.kind = SCANOUT_DMABUF;
1091 con->scanout.dmabuf = dmabuf;
1092 QLIST_FOREACH(dcl, &s->listeners, next) {
1093 if (con != dcl->con) {
1094 continue;
1095 }
1096 if (dcl->ops->dpy_gl_scanout_dmabuf) {
1097 dcl->ops->dpy_gl_scanout_dmabuf(dcl, dmabuf);
1098 }
1099 }
1100 }
1101
1102 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1103 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1104 {
1105 DisplayState *s = con->ds;
1106 DisplayChangeListener *dcl;
1107
1108 QLIST_FOREACH(dcl, &s->listeners, next) {
1109 if (con != dcl->con) {
1110 continue;
1111 }
1112 if (dcl->ops->dpy_gl_cursor_dmabuf) {
1113 dcl->ops->dpy_gl_cursor_dmabuf(dcl, dmabuf,
1114 have_hot, hot_x, hot_y);
1115 }
1116 }
1117 }
1118
1119 void dpy_gl_cursor_position(QemuConsole *con,
1120 uint32_t pos_x, uint32_t pos_y)
1121 {
1122 DisplayState *s = con->ds;
1123 DisplayChangeListener *dcl;
1124
1125 QLIST_FOREACH(dcl, &s->listeners, next) {
1126 if (con != dcl->con) {
1127 continue;
1128 }
1129 if (dcl->ops->dpy_gl_cursor_position) {
1130 dcl->ops->dpy_gl_cursor_position(dcl, pos_x, pos_y);
1131 }
1132 }
1133 }
1134
1135 void dpy_gl_release_dmabuf(QemuConsole *con,
1136 QemuDmaBuf *dmabuf)
1137 {
1138 DisplayState *s = con->ds;
1139 DisplayChangeListener *dcl;
1140
1141 QLIST_FOREACH(dcl, &s->listeners, next) {
1142 if (con != dcl->con) {
1143 continue;
1144 }
1145 if (dcl->ops->dpy_gl_release_dmabuf) {
1146 dcl->ops->dpy_gl_release_dmabuf(dcl, dmabuf);
1147 }
1148 }
1149 }
1150
1151 void dpy_gl_update(QemuConsole *con,
1152 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1153 {
1154 DisplayState *s = con->ds;
1155 DisplayChangeListener *dcl;
1156
1157 assert(con->gl);
1158
1159 graphic_hw_gl_block(con, true);
1160 QLIST_FOREACH(dcl, &s->listeners, next) {
1161 if (con != dcl->con) {
1162 continue;
1163 }
1164 if (dcl->ops->dpy_gl_update) {
1165 dcl->ops->dpy_gl_update(dcl, x, y, w, h);
1166 }
1167 }
1168 graphic_hw_gl_block(con, false);
1169 }
1170
1171 /***********************************************************/
1172 /* register display */
1173
1174 /* console.c internal use only */
1175 static DisplayState *get_alloc_displaystate(void)
1176 {
1177 if (!display_state) {
1178 display_state = g_new0(DisplayState, 1);
1179 }
1180 return display_state;
1181 }
1182
1183 /*
1184 * Called by main(), after creating QemuConsoles
1185 * and before initializing ui (sdl/vnc/...).
1186 */
1187 DisplayState *init_displaystate(void)
1188 {
1189 gchar *name;
1190 QemuConsole *con;
1191
1192 QTAILQ_FOREACH(con, &consoles, next) {
1193 /* Hook up into the qom tree here (not in object_new()), once
1194 * all QemuConsoles are created and the order / numbering
1195 * doesn't change any more */
1196 name = g_strdup_printf("console[%d]", con->index);
1197 object_property_add_child(container_get(object_get_root(), "/backend"),
1198 name, OBJECT(con));
1199 g_free(name);
1200 }
1201
1202 return display_state;
1203 }
1204
1205 void graphic_console_set_hwops(QemuConsole *con,
1206 const GraphicHwOps *hw_ops,
1207 void *opaque)
1208 {
1209 con->hw_ops = hw_ops;
1210 con->hw = opaque;
1211 }
1212
1213 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1214 const GraphicHwOps *hw_ops,
1215 void *opaque)
1216 {
1217 static const char noinit[] =
1218 "Guest has not initialized the display (yet).";
1219 int width = 640;
1220 int height = 480;
1221 QemuConsole *s;
1222 DisplaySurface *surface;
1223
1224 s = qemu_graphic_console_lookup_unused();
1225 if (s) {
1226 trace_console_gfx_reuse(s->index);
1227 width = qemu_console_get_width(s, 0);
1228 height = qemu_console_get_height(s, 0);
1229 } else {
1230 trace_console_gfx_new();
1231 s = (QemuConsole *)object_new(TYPE_QEMU_GRAPHIC_CONSOLE);
1232 }
1233 QEMU_GRAPHIC_CONSOLE(s)->head = head;
1234 graphic_console_set_hwops(s, hw_ops, opaque);
1235 if (dev) {
1236 object_property_set_link(OBJECT(s), "device", OBJECT(dev),
1237 &error_abort);
1238 }
1239
1240 surface = qemu_create_placeholder_surface(width, height, noinit);
1241 dpy_gfx_replace_surface(s, surface);
1242 s->gl_unblock_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1243 graphic_hw_gl_unblock_timer, s);
1244 return s;
1245 }
1246
1247 static const GraphicHwOps unused_ops = {
1248 /* no callbacks */
1249 };
1250
1251 void graphic_console_close(QemuConsole *con)
1252 {
1253 static const char unplugged[] =
1254 "Guest display has been unplugged";
1255 DisplaySurface *surface;
1256 int width = qemu_console_get_width(con, 640);
1257 int height = qemu_console_get_height(con, 480);
1258
1259 trace_console_gfx_close(con->index);
1260 object_property_set_link(OBJECT(con), "device", NULL, &error_abort);
1261 graphic_console_set_hwops(con, &unused_ops, NULL);
1262
1263 if (con->gl) {
1264 dpy_gl_scanout_disable(con);
1265 }
1266 surface = qemu_create_placeholder_surface(width, height, unplugged);
1267 dpy_gfx_replace_surface(con, surface);
1268 }
1269
1270 QemuConsole *qemu_console_lookup_default(void)
1271 {
1272 QemuConsole *con;
1273
1274 QTAILQ_FOREACH(con, &consoles, next) {
1275 if (QEMU_IS_GRAPHIC_CONSOLE(con)) {
1276 return con;
1277 }
1278 }
1279 return QTAILQ_FIRST(&consoles);
1280 }
1281
1282 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1283 {
1284 QemuConsole *con;
1285
1286 QTAILQ_FOREACH(con, &consoles, next) {
1287 if (con->index == index) {
1288 return con;
1289 }
1290 }
1291 return NULL;
1292 }
1293
1294 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1295 {
1296 QemuConsole *con;
1297 Object *obj;
1298 uint32_t h;
1299
1300 QTAILQ_FOREACH(con, &consoles, next) {
1301 obj = object_property_get_link(OBJECT(con),
1302 "device", &error_abort);
1303 if (DEVICE(obj) != dev) {
1304 continue;
1305 }
1306 h = object_property_get_uint(OBJECT(con),
1307 "head", &error_abort);
1308 if (h != head) {
1309 continue;
1310 }
1311 return con;
1312 }
1313 return NULL;
1314 }
1315
1316 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1317 uint32_t head, Error **errp)
1318 {
1319 DeviceState *dev;
1320 QemuConsole *con;
1321
1322 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1323 if (dev == NULL) {
1324 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1325 "Device '%s' not found", device_id);
1326 return NULL;
1327 }
1328
1329 con = qemu_console_lookup_by_device(dev, head);
1330 if (con == NULL) {
1331 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1332 device_id, head);
1333 return NULL;
1334 }
1335
1336 return con;
1337 }
1338
1339 static QemuConsole *qemu_graphic_console_lookup_unused(void)
1340 {
1341 QemuConsole *con;
1342 Object *obj;
1343
1344 QTAILQ_FOREACH(con, &consoles, next) {
1345 if (!QEMU_IS_GRAPHIC_CONSOLE(con) || con->hw_ops != &unused_ops) {
1346 continue;
1347 }
1348 obj = object_property_get_link(OBJECT(con),
1349 "device", &error_abort);
1350 if (obj != NULL) {
1351 continue;
1352 }
1353 return con;
1354 }
1355 return NULL;
1356 }
1357
1358 QEMUCursor *qemu_console_get_cursor(QemuConsole *con)
1359 {
1360 return QEMU_IS_GRAPHIC_CONSOLE(con) ? QEMU_GRAPHIC_CONSOLE(con)->cursor : NULL;
1361 }
1362
1363 bool qemu_console_is_visible(QemuConsole *con)
1364 {
1365 return con->dcls > 0;
1366 }
1367
1368 bool qemu_console_is_graphic(QemuConsole *con)
1369 {
1370 return con && QEMU_IS_GRAPHIC_CONSOLE(con);
1371 }
1372
1373 bool qemu_console_is_fixedsize(QemuConsole *con)
1374 {
1375 return con && (QEMU_IS_GRAPHIC_CONSOLE(con) || QEMU_IS_FIXED_TEXT_CONSOLE(con));
1376 }
1377
1378 bool qemu_console_is_gl_blocked(QemuConsole *con)
1379 {
1380 assert(con != NULL);
1381 return con->gl_block;
1382 }
1383
1384 static bool qemu_graphic_console_is_multihead(QemuGraphicConsole *c)
1385 {
1386 QemuConsole *con;
1387
1388 QTAILQ_FOREACH(con, &consoles, next) {
1389 QemuGraphicConsole *candidate;
1390
1391 if (!QEMU_IS_GRAPHIC_CONSOLE(con)) {
1392 continue;
1393 }
1394
1395 candidate = QEMU_GRAPHIC_CONSOLE(con);
1396 if (candidate->device != c->device) {
1397 continue;
1398 }
1399
1400 if (candidate->head != c->head) {
1401 return true;
1402 }
1403 }
1404 return false;
1405 }
1406
1407 char *qemu_console_get_label(QemuConsole *con)
1408 {
1409 if (QEMU_IS_GRAPHIC_CONSOLE(con)) {
1410 QemuGraphicConsole *c = QEMU_GRAPHIC_CONSOLE(con);
1411 if (c->device) {
1412 DeviceState *dev;
1413 bool multihead;
1414
1415 dev = DEVICE(c->device);
1416 multihead = qemu_graphic_console_is_multihead(c);
1417 if (multihead) {
1418 return g_strdup_printf("%s.%d", dev->id ?
1419 dev->id :
1420 object_get_typename(c->device),
1421 c->head);
1422 } else {
1423 return g_strdup_printf("%s", dev->id ?
1424 dev->id :
1425 object_get_typename(c->device));
1426 }
1427 }
1428 return g_strdup("VGA");
1429 } else if (QEMU_IS_TEXT_CONSOLE(con)) {
1430 const char *label = qemu_text_console_get_label(QEMU_TEXT_CONSOLE(con));
1431 if (label) {
1432 return g_strdup(label);
1433 }
1434 }
1435
1436 return g_strdup_printf("vc%d", con->index);
1437 }
1438
1439 int qemu_console_get_index(QemuConsole *con)
1440 {
1441 return con ? con->index : -1;
1442 }
1443
1444 uint32_t qemu_console_get_head(QemuConsole *con)
1445 {
1446 if (con == NULL) {
1447 return -1;
1448 }
1449 if (QEMU_IS_GRAPHIC_CONSOLE(con)) {
1450 return QEMU_GRAPHIC_CONSOLE(con)->head;
1451 }
1452 return 0;
1453 }
1454
1455 int qemu_console_get_width(QemuConsole *con, int fallback)
1456 {
1457 if (con == NULL) {
1458 return fallback;
1459 }
1460 switch (con->scanout.kind) {
1461 case SCANOUT_DMABUF:
1462 return con->scanout.dmabuf->width;
1463 case SCANOUT_TEXTURE:
1464 return con->scanout.texture.width;
1465 case SCANOUT_SURFACE:
1466 return surface_width(con->surface);
1467 default:
1468 return fallback;
1469 }
1470 }
1471
1472 int qemu_console_get_height(QemuConsole *con, int fallback)
1473 {
1474 if (con == NULL) {
1475 return fallback;
1476 }
1477 switch (con->scanout.kind) {
1478 case SCANOUT_DMABUF:
1479 return con->scanout.dmabuf->height;
1480 case SCANOUT_TEXTURE:
1481 return con->scanout.texture.height;
1482 case SCANOUT_SURFACE:
1483 return surface_height(con->surface);
1484 default:
1485 return fallback;
1486 }
1487 }
1488
1489 int qemu_invalidate_text_consoles(void)
1490 {
1491 QemuConsole *s;
1492 int count = 0;
1493
1494 QTAILQ_FOREACH(s, &consoles, next) {
1495 if (qemu_console_is_graphic(s) ||
1496 !qemu_console_is_visible(s)) {
1497 continue;
1498 }
1499 count++;
1500 graphic_hw_invalidate(s);
1501 }
1502
1503 return count;
1504 }
1505
1506 void qemu_console_resize(QemuConsole *s, int width, int height)
1507 {
1508 DisplaySurface *surface = qemu_console_surface(s);
1509
1510 assert(QEMU_IS_GRAPHIC_CONSOLE(s));
1511
1512 if ((s->scanout.kind != SCANOUT_SURFACE ||
1513 (surface && !is_buffer_shared(surface) && !is_placeholder(surface))) &&
1514 qemu_console_get_width(s, -1) == width &&
1515 qemu_console_get_height(s, -1) == height) {
1516 return;
1517 }
1518
1519 surface = qemu_create_displaysurface(width, height);
1520 dpy_gfx_replace_surface(s, surface);
1521 }
1522
1523 DisplaySurface *qemu_console_surface(QemuConsole *console)
1524 {
1525 switch (console->scanout.kind) {
1526 case SCANOUT_SURFACE:
1527 return console->surface;
1528 default:
1529 return NULL;
1530 }
1531 }
1532
1533 PixelFormat qemu_default_pixelformat(int bpp)
1534 {
1535 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
1536 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
1537 return pf;
1538 }
1539
1540 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
1541
1542 void qemu_display_register(QemuDisplay *ui)
1543 {
1544 assert(ui->type < DISPLAY_TYPE__MAX);
1545 dpys[ui->type] = ui;
1546 }
1547
1548 bool qemu_display_find_default(DisplayOptions *opts)
1549 {
1550 static DisplayType prio[] = {
1551 #if defined(CONFIG_GTK)
1552 DISPLAY_TYPE_GTK,
1553 #endif
1554 #if defined(CONFIG_SDL)
1555 DISPLAY_TYPE_SDL,
1556 #endif
1557 #if defined(CONFIG_COCOA)
1558 DISPLAY_TYPE_COCOA
1559 #endif
1560 };
1561 int i;
1562
1563 for (i = 0; i < (int)ARRAY_SIZE(prio); i++) {
1564 if (dpys[prio[i]] == NULL) {
1565 Error *local_err = NULL;
1566 int rv = ui_module_load(DisplayType_str(prio[i]), &local_err);
1567 if (rv < 0) {
1568 error_report_err(local_err);
1569 }
1570 }
1571 if (dpys[prio[i]] == NULL) {
1572 continue;
1573 }
1574 opts->type = prio[i];
1575 return true;
1576 }
1577 return false;
1578 }
1579
1580 void qemu_display_early_init(DisplayOptions *opts)
1581 {
1582 assert(opts->type < DISPLAY_TYPE__MAX);
1583 if (opts->type == DISPLAY_TYPE_NONE) {
1584 return;
1585 }
1586 if (dpys[opts->type] == NULL) {
1587 Error *local_err = NULL;
1588 int rv = ui_module_load(DisplayType_str(opts->type), &local_err);
1589 if (rv < 0) {
1590 error_report_err(local_err);
1591 }
1592 }
1593 if (dpys[opts->type] == NULL) {
1594 error_report("Display '%s' is not available.",
1595 DisplayType_str(opts->type));
1596 exit(1);
1597 }
1598 if (dpys[opts->type]->early_init) {
1599 dpys[opts->type]->early_init(opts);
1600 }
1601 }
1602
1603 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
1604 {
1605 assert(opts->type < DISPLAY_TYPE__MAX);
1606 if (opts->type == DISPLAY_TYPE_NONE) {
1607 return;
1608 }
1609 assert(dpys[opts->type] != NULL);
1610 dpys[opts->type]->init(ds, opts);
1611 }
1612
1613 const char *qemu_display_get_vc(DisplayOptions *opts)
1614 {
1615 #ifdef CONFIG_PIXMAN
1616 const char *vc = "vc:80Cx24C";
1617 #else
1618 const char *vc = NULL;
1619 #endif
1620
1621 assert(opts->type < DISPLAY_TYPE__MAX);
1622 if (dpys[opts->type] && dpys[opts->type]->vc) {
1623 vc = dpys[opts->type]->vc;
1624 }
1625 return vc;
1626 }
1627
1628 void qemu_display_help(void)
1629 {
1630 int idx;
1631
1632 printf("Available display backend types:\n");
1633 printf("none\n");
1634 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
1635 if (!dpys[idx]) {
1636 Error *local_err = NULL;
1637 int rv = ui_module_load(DisplayType_str(idx), &local_err);
1638 if (rv < 0) {
1639 error_report_err(local_err);
1640 }
1641 }
1642 if (dpys[idx]) {
1643 printf("%s\n", DisplayType_str(dpys[idx]->type));
1644 }
1645 }
1646 }
armbru's QEMU hackery