quorum: Inline quorum_aio_cb()
[qemu.git] / ui / spice-display.c
1 /*
2 * Copyright (C) 2010 Red Hat, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 or
7 * (at your option) version 3 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "qemu/osdep.h"
19 #include "qemu-common.h"
20 #include "ui/qemu-spice.h"
21 #include "qemu/timer.h"
22 #include "qemu/queue.h"
23 #include "ui/console.h"
24 #include "sysemu/sysemu.h"
25 #include "trace.h"
26
27 #include "ui/spice-display.h"
28
29 static int debug = 0;
30
31 static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...)
32 {
33 va_list args;
34
35 if (level <= debug) {
36 va_start(args, fmt);
37 vfprintf(stderr, fmt, args);
38 va_end(args);
39 }
40 }
41
42 int qemu_spice_rect_is_empty(const QXLRect* r)
43 {
44 return r->top == r->bottom || r->left == r->right;
45 }
46
47 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r)
48 {
49 if (qemu_spice_rect_is_empty(r)) {
50 return;
51 }
52
53 if (qemu_spice_rect_is_empty(dest)) {
54 *dest = *r;
55 return;
56 }
57
58 dest->top = MIN(dest->top, r->top);
59 dest->left = MIN(dest->left, r->left);
60 dest->bottom = MAX(dest->bottom, r->bottom);
61 dest->right = MAX(dest->right, r->right);
62 }
63
64 QXLCookie *qxl_cookie_new(int type, uint64_t io)
65 {
66 QXLCookie *cookie;
67
68 cookie = g_malloc0(sizeof(*cookie));
69 cookie->type = type;
70 cookie->io = io;
71 return cookie;
72 }
73
74 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
75 qxl_async_io async)
76 {
77 trace_qemu_spice_add_memslot(ssd->qxl.id, memslot->slot_id,
78 memslot->virt_start, memslot->virt_end,
79 async);
80
81 if (async != QXL_SYNC) {
82 spice_qxl_add_memslot_async(&ssd->qxl, memslot,
83 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
84 QXL_IO_MEMSLOT_ADD_ASYNC));
85 } else {
86 spice_qxl_add_memslot(&ssd->qxl, memslot);
87 }
88 }
89
90 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
91 {
92 trace_qemu_spice_del_memslot(ssd->qxl.id, gid, sid);
93 spice_qxl_del_memslot(&ssd->qxl, gid, sid);
94 }
95
96 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
97 QXLDevSurfaceCreate *surface,
98 qxl_async_io async)
99 {
100 trace_qemu_spice_create_primary_surface(ssd->qxl.id, id, surface, async);
101 if (async != QXL_SYNC) {
102 spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface,
103 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
104 QXL_IO_CREATE_PRIMARY_ASYNC));
105 } else {
106 spice_qxl_create_primary_surface(&ssd->qxl, id, surface);
107 }
108 }
109
110 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
111 uint32_t id, qxl_async_io async)
112 {
113 trace_qemu_spice_destroy_primary_surface(ssd->qxl.id, id, async);
114 if (async != QXL_SYNC) {
115 spice_qxl_destroy_primary_surface_async(&ssd->qxl, id,
116 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
117 QXL_IO_DESTROY_PRIMARY_ASYNC));
118 } else {
119 spice_qxl_destroy_primary_surface(&ssd->qxl, id);
120 }
121 }
122
123 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
124 {
125 trace_qemu_spice_wakeup(ssd->qxl.id);
126 spice_qxl_wakeup(&ssd->qxl);
127 }
128
129 static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
130 QXLRect *rect)
131 {
132 SimpleSpiceUpdate *update;
133 QXLDrawable *drawable;
134 QXLImage *image;
135 QXLCommand *cmd;
136 int bw, bh;
137 struct timespec time_space;
138 pixman_image_t *dest;
139
140 trace_qemu_spice_create_update(
141 rect->left, rect->right,
142 rect->top, rect->bottom);
143
144 update = g_malloc0(sizeof(*update));
145 drawable = &update->drawable;
146 image = &update->image;
147 cmd = &update->ext.cmd;
148
149 bw = rect->right - rect->left;
150 bh = rect->bottom - rect->top;
151 update->bitmap = g_malloc(bw * bh * 4);
152
153 drawable->bbox = *rect;
154 drawable->clip.type = SPICE_CLIP_TYPE_NONE;
155 drawable->effect = QXL_EFFECT_OPAQUE;
156 drawable->release_info.id = (uintptr_t)(&update->ext);
157 drawable->type = QXL_DRAW_COPY;
158 drawable->surfaces_dest[0] = -1;
159 drawable->surfaces_dest[1] = -1;
160 drawable->surfaces_dest[2] = -1;
161 clock_gettime(CLOCK_MONOTONIC, &time_space);
162 /* time in milliseconds from epoch. */
163 drawable->mm_time = time_space.tv_sec * 1000
164 + time_space.tv_nsec / 1000 / 1000;
165
166 drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
167 drawable->u.copy.src_bitmap = (uintptr_t)image;
168 drawable->u.copy.src_area.right = bw;
169 drawable->u.copy.src_area.bottom = bh;
170
171 QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++);
172 image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
173 image->bitmap.flags = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN;
174 image->bitmap.stride = bw * 4;
175 image->descriptor.width = image->bitmap.x = bw;
176 image->descriptor.height = image->bitmap.y = bh;
177 image->bitmap.data = (uintptr_t)(update->bitmap);
178 image->bitmap.palette = 0;
179 image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
180
181 dest = pixman_image_create_bits(PIXMAN_LE_x8r8g8b8, bw, bh,
182 (void *)update->bitmap, bw * 4);
183 pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror,
184 rect->left, rect->top, 0, 0,
185 rect->left, rect->top, bw, bh);
186 pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest,
187 rect->left, rect->top, 0, 0,
188 0, 0, bw, bh);
189 pixman_image_unref(dest);
190
191 cmd->type = QXL_CMD_DRAW;
192 cmd->data = (uintptr_t)drawable;
193
194 QTAILQ_INSERT_TAIL(&ssd->updates, update, next);
195 }
196
197 static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
198 {
199 static const int blksize = 32;
200 int blocks = DIV_ROUND_UP(surface_width(ssd->ds), blksize);
201 int dirty_top[blocks];
202 int y, yoff1, yoff2, x, xoff, blk, bw;
203 int bpp = surface_bytes_per_pixel(ssd->ds);
204 uint8_t *guest, *mirror;
205
206 if (qemu_spice_rect_is_empty(&ssd->dirty)) {
207 return;
208 };
209
210 for (blk = 0; blk < blocks; blk++) {
211 dirty_top[blk] = -1;
212 }
213
214 guest = surface_data(ssd->ds);
215 mirror = (void *)pixman_image_get_data(ssd->mirror);
216 for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
217 yoff1 = y * surface_stride(ssd->ds);
218 yoff2 = y * pixman_image_get_stride(ssd->mirror);
219 for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
220 xoff = x * bpp;
221 blk = x / blksize;
222 bw = MIN(blksize, ssd->dirty.right - x);
223 if (memcmp(guest + yoff1 + xoff,
224 mirror + yoff2 + xoff,
225 bw * bpp) == 0) {
226 if (dirty_top[blk] != -1) {
227 QXLRect update = {
228 .top = dirty_top[blk],
229 .bottom = y,
230 .left = x,
231 .right = x + bw,
232 };
233 qemu_spice_create_one_update(ssd, &update);
234 dirty_top[blk] = -1;
235 }
236 } else {
237 if (dirty_top[blk] == -1) {
238 dirty_top[blk] = y;
239 }
240 }
241 }
242 }
243
244 for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
245 blk = x / blksize;
246 bw = MIN(blksize, ssd->dirty.right - x);
247 if (dirty_top[blk] != -1) {
248 QXLRect update = {
249 .top = dirty_top[blk],
250 .bottom = ssd->dirty.bottom,
251 .left = x,
252 .right = x + bw,
253 };
254 qemu_spice_create_one_update(ssd, &update);
255 dirty_top[blk] = -1;
256 }
257 }
258
259 memset(&ssd->dirty, 0, sizeof(ssd->dirty));
260 }
261
262 static SimpleSpiceCursor*
263 qemu_spice_create_cursor_update(SimpleSpiceDisplay *ssd,
264 QEMUCursor *c,
265 int on)
266 {
267 size_t size = c ? c->width * c->height * 4 : 0;
268 SimpleSpiceCursor *update;
269 QXLCursorCmd *ccmd;
270 QXLCursor *cursor;
271 QXLCommand *cmd;
272
273 update = g_malloc0(sizeof(*update) + size);
274 ccmd = &update->cmd;
275 cursor = &update->cursor;
276 cmd = &update->ext.cmd;
277
278 if (c) {
279 ccmd->type = QXL_CURSOR_SET;
280 ccmd->u.set.position.x = ssd->ptr_x + ssd->hot_x;
281 ccmd->u.set.position.y = ssd->ptr_y + ssd->hot_y;
282 ccmd->u.set.visible = true;
283 ccmd->u.set.shape = (uintptr_t)cursor;
284 cursor->header.unique = ssd->unique++;
285 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
286 cursor->header.width = c->width;
287 cursor->header.height = c->height;
288 cursor->header.hot_spot_x = c->hot_x;
289 cursor->header.hot_spot_y = c->hot_y;
290 cursor->data_size = size;
291 cursor->chunk.data_size = size;
292 memcpy(cursor->chunk.data, c->data, size);
293 } else if (!on) {
294 ccmd->type = QXL_CURSOR_HIDE;
295 } else {
296 ccmd->type = QXL_CURSOR_MOVE;
297 ccmd->u.position.x = ssd->ptr_x + ssd->hot_x;
298 ccmd->u.position.y = ssd->ptr_y + ssd->hot_y;
299 }
300 ccmd->release_info.id = (uintptr_t)(&update->ext);
301
302 cmd->type = QXL_CMD_CURSOR;
303 cmd->data = (uintptr_t)ccmd;
304
305 return update;
306 }
307
308 /*
309 * Called from spice server thread context (via interface_release_resource)
310 * We do *not* hold the global qemu mutex here, so extra care is needed
311 * when calling qemu functions. QEMU interfaces used:
312 * - g_free (underlying glibc free is re-entrant).
313 */
314 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update)
315 {
316 g_free(update->bitmap);
317 g_free(update);
318 }
319
320 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
321 {
322 QXLDevMemSlot memslot;
323
324 dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
325
326 memset(&memslot, 0, sizeof(memslot));
327 memslot.slot_group_id = MEMSLOT_GROUP_HOST;
328 memslot.virt_end = ~0;
329 qemu_spice_add_memslot(ssd, &memslot, QXL_SYNC);
330 }
331
332 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
333 {
334 QXLDevSurfaceCreate surface;
335 uint64_t surface_size;
336
337 memset(&surface, 0, sizeof(surface));
338
339 surface_size = (uint64_t) surface_width(ssd->ds) *
340 surface_height(ssd->ds) * 4;
341 assert(surface_size > 0);
342 assert(surface_size < INT_MAX);
343 if (ssd->bufsize < surface_size) {
344 ssd->bufsize = surface_size;
345 g_free(ssd->buf);
346 ssd->buf = g_malloc(ssd->bufsize);
347 }
348
349 dprint(1, "%s/%d: %ux%u (size %" PRIu64 "/%d)\n", __func__, ssd->qxl.id,
350 surface_width(ssd->ds), surface_height(ssd->ds),
351 surface_size, ssd->bufsize);
352
353 surface.format = SPICE_SURFACE_FMT_32_xRGB;
354 surface.width = surface_width(ssd->ds);
355 surface.height = surface_height(ssd->ds);
356 surface.stride = -surface.width * 4;
357 surface.mouse_mode = true;
358 surface.flags = 0;
359 surface.type = 0;
360 surface.mem = (uintptr_t)ssd->buf;
361 surface.group_id = MEMSLOT_GROUP_HOST;
362
363 qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC);
364 }
365
366 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
367 {
368 dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
369
370 qemu_spice_destroy_primary_surface(ssd, 0, QXL_SYNC);
371 }
372
373 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd)
374 {
375 qemu_mutex_init(&ssd->lock);
376 QTAILQ_INIT(&ssd->updates);
377 ssd->mouse_x = -1;
378 ssd->mouse_y = -1;
379 if (ssd->num_surfaces == 0) {
380 ssd->num_surfaces = 1024;
381 }
382 }
383
384 /* display listener callbacks */
385
386 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
387 int x, int y, int w, int h)
388 {
389 QXLRect update_area;
390
391 dprint(2, "%s/%d: x %d y %d w %d h %d\n", __func__,
392 ssd->qxl.id, x, y, w, h);
393 update_area.left = x,
394 update_area.right = x + w;
395 update_area.top = y;
396 update_area.bottom = y + h;
397
398 if (qemu_spice_rect_is_empty(&ssd->dirty)) {
399 ssd->notify++;
400 }
401 qemu_spice_rect_union(&ssd->dirty, &update_area);
402 }
403
404 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
405 DisplaySurface *surface)
406 {
407 SimpleSpiceUpdate *update;
408 bool need_destroy;
409
410 if (surface && ssd->surface &&
411 surface_width(surface) == pixman_image_get_width(ssd->surface) &&
412 surface_height(surface) == pixman_image_get_height(ssd->surface) &&
413 surface_format(surface) == pixman_image_get_format(ssd->surface)) {
414 /* no-resize fast path: just swap backing store */
415 dprint(1, "%s/%d: fast (%dx%d)\n", __func__, ssd->qxl.id,
416 surface_width(surface), surface_height(surface));
417 qemu_mutex_lock(&ssd->lock);
418 ssd->ds = surface;
419 pixman_image_unref(ssd->surface);
420 ssd->surface = pixman_image_ref(ssd->ds->image);
421 qemu_mutex_unlock(&ssd->lock);
422 qemu_spice_display_update(ssd, 0, 0,
423 surface_width(surface),
424 surface_height(surface));
425 return;
426 }
427
428 /* full mode switch */
429 dprint(1, "%s/%d: full (%dx%d -> %dx%d)\n", __func__, ssd->qxl.id,
430 ssd->surface ? pixman_image_get_width(ssd->surface) : 0,
431 ssd->surface ? pixman_image_get_height(ssd->surface) : 0,
432 surface ? surface_width(surface) : 0,
433 surface ? surface_height(surface) : 0);
434
435 memset(&ssd->dirty, 0, sizeof(ssd->dirty));
436 if (ssd->surface) {
437 pixman_image_unref(ssd->surface);
438 ssd->surface = NULL;
439 pixman_image_unref(ssd->mirror);
440 ssd->mirror = NULL;
441 }
442
443 qemu_mutex_lock(&ssd->lock);
444 need_destroy = (ssd->ds != NULL);
445 ssd->ds = surface;
446 while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) {
447 QTAILQ_REMOVE(&ssd->updates, update, next);
448 qemu_spice_destroy_update(ssd, update);
449 }
450 qemu_mutex_unlock(&ssd->lock);
451 if (need_destroy) {
452 qemu_spice_destroy_host_primary(ssd);
453 }
454 if (ssd->ds) {
455 ssd->surface = pixman_image_ref(ssd->ds->image);
456 ssd->mirror = qemu_pixman_mirror_create(ssd->ds->format,
457 ssd->ds->image);
458 qemu_spice_create_host_primary(ssd);
459 }
460
461 memset(&ssd->dirty, 0, sizeof(ssd->dirty));
462 ssd->notify++;
463
464 qemu_mutex_lock(&ssd->lock);
465 if (ssd->cursor) {
466 g_free(ssd->ptr_define);
467 ssd->ptr_define = qemu_spice_create_cursor_update(ssd, ssd->cursor, 0);
468 }
469 qemu_mutex_unlock(&ssd->lock);
470 }
471
472 static void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
473 {
474 if (ssd->cursor) {
475 assert(ssd->dcl.con);
476 dpy_cursor_define(ssd->dcl.con, ssd->cursor);
477 }
478 if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
479 assert(ssd->dcl.con);
480 dpy_mouse_set(ssd->dcl.con, ssd->mouse_x, ssd->mouse_y, 1);
481 ssd->mouse_x = -1;
482 ssd->mouse_y = -1;
483 }
484 }
485
486 void qemu_spice_cursor_refresh_bh(void *opaque)
487 {
488 SimpleSpiceDisplay *ssd = opaque;
489
490 qemu_mutex_lock(&ssd->lock);
491 qemu_spice_cursor_refresh_unlocked(ssd);
492 qemu_mutex_unlock(&ssd->lock);
493 }
494
495 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
496 {
497 dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
498 graphic_hw_update(ssd->dcl.con);
499
500 qemu_mutex_lock(&ssd->lock);
501 if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) {
502 qemu_spice_create_update(ssd);
503 ssd->notify++;
504 }
505 qemu_mutex_unlock(&ssd->lock);
506
507 if (ssd->notify) {
508 ssd->notify = 0;
509 qemu_spice_wakeup(ssd);
510 dprint(2, "%s/%d: notify\n", __func__, ssd->qxl.id);
511 }
512 }
513
514 /* spice display interface callbacks */
515
516 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
517 {
518 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
519
520 dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
521 ssd->worker = qxl_worker;
522 }
523
524 static void interface_set_compression_level(QXLInstance *sin, int level)
525 {
526 dprint(1, "%s/%d:\n", __func__, sin->id);
527 /* nothing to do */
528 }
529
530 #if SPICE_NEEDS_SET_MM_TIME
531 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
532 {
533 dprint(3, "%s/%d:\n", __func__, sin->id);
534 /* nothing to do */
535 }
536 #endif
537
538 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
539 {
540 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
541
542 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
543 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
544 info->num_memslots = NUM_MEMSLOTS;
545 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
546 info->internal_groupslot_id = 0;
547 info->qxl_ram_size = 16 * 1024 * 1024;
548 info->n_surfaces = ssd->num_surfaces;
549 }
550
551 static int interface_get_command(QXLInstance *sin, QXLCommandExt *ext)
552 {
553 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
554 SimpleSpiceUpdate *update;
555 int ret = false;
556
557 dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
558
559 qemu_mutex_lock(&ssd->lock);
560 update = QTAILQ_FIRST(&ssd->updates);
561 if (update != NULL) {
562 QTAILQ_REMOVE(&ssd->updates, update, next);
563 *ext = update->ext;
564 ret = true;
565 }
566 qemu_mutex_unlock(&ssd->lock);
567
568 return ret;
569 }
570
571 static int interface_req_cmd_notification(QXLInstance *sin)
572 {
573 dprint(2, "%s/%d:\n", __func__, sin->id);
574 return 1;
575 }
576
577 static void interface_release_resource(QXLInstance *sin,
578 QXLReleaseInfoExt rext)
579 {
580 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
581 SimpleSpiceUpdate *update;
582 SimpleSpiceCursor *cursor;
583 QXLCommandExt *ext;
584
585 dprint(2, "%s/%d:\n", __func__, ssd->qxl.id);
586 ext = (void *)(intptr_t)(rext.info->id);
587 switch (ext->cmd.type) {
588 case QXL_CMD_DRAW:
589 update = container_of(ext, SimpleSpiceUpdate, ext);
590 qemu_spice_destroy_update(ssd, update);
591 break;
592 case QXL_CMD_CURSOR:
593 cursor = container_of(ext, SimpleSpiceCursor, ext);
594 g_free(cursor);
595 break;
596 default:
597 g_assert_not_reached();
598 }
599 }
600
601 static int interface_get_cursor_command(QXLInstance *sin, QXLCommandExt *ext)
602 {
603 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
604 int ret;
605
606 dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
607
608 qemu_mutex_lock(&ssd->lock);
609 if (ssd->ptr_define) {
610 *ext = ssd->ptr_define->ext;
611 ssd->ptr_define = NULL;
612 ret = true;
613 } else if (ssd->ptr_move) {
614 *ext = ssd->ptr_move->ext;
615 ssd->ptr_move = NULL;
616 ret = true;
617 } else {
618 ret = false;
619 }
620 qemu_mutex_unlock(&ssd->lock);
621 return ret;
622 }
623
624 static int interface_req_cursor_notification(QXLInstance *sin)
625 {
626 dprint(2, "%s:\n", __func__);
627 return 1;
628 }
629
630 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
631 {
632 fprintf(stderr, "%s: abort()\n", __FUNCTION__);
633 abort();
634 }
635
636 static int interface_flush_resources(QXLInstance *sin)
637 {
638 fprintf(stderr, "%s: abort()\n", __FUNCTION__);
639 abort();
640 return 0;
641 }
642
643 static void interface_update_area_complete(QXLInstance *sin,
644 uint32_t surface_id,
645 QXLRect *dirty, uint32_t num_updated_rects)
646 {
647 /* should never be called, used in qxl native mode only */
648 fprintf(stderr, "%s: abort()\n", __func__);
649 abort();
650 }
651
652 /* called from spice server thread context only */
653 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
654 {
655 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
656
657 switch (cookie->type) {
658 #ifdef HAVE_SPICE_GL
659 case QXL_COOKIE_TYPE_GL_DRAW_DONE:
660 {
661 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
662 qemu_bh_schedule(ssd->gl_unblock_bh);
663 break;
664 }
665 case QXL_COOKIE_TYPE_IO:
666 if (cookie->io == QXL_IO_MONITORS_CONFIG_ASYNC) {
667 g_free(cookie->u.data);
668 }
669 break;
670 #endif
671 default:
672 /* should never be called, used in qxl native mode only */
673 fprintf(stderr, "%s: abort()\n", __func__);
674 abort();
675 }
676 g_free(cookie);
677 }
678
679 static void interface_set_client_capabilities(QXLInstance *sin,
680 uint8_t client_present,
681 uint8_t caps[58])
682 {
683 dprint(3, "%s:\n", __func__);
684 }
685
686 static int interface_client_monitors_config(QXLInstance *sin,
687 VDAgentMonitorsConfig *mc)
688 {
689 SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
690 QemuUIInfo info;
691 int head;
692
693 if (!dpy_ui_info_supported(ssd->dcl.con)) {
694 return 0; /* == not supported by guest */
695 }
696
697 if (!mc) {
698 return 1;
699 }
700
701 memset(&info, 0, sizeof(info));
702
703 head = qemu_console_get_head(ssd->dcl.con);
704 if (mc->num_of_monitors > head) {
705 info.width = mc->monitors[head].width;
706 info.height = mc->monitors[head].height;
707 }
708 dpy_set_ui_info(ssd->dcl.con, &info);
709 dprint(1, "%s/%d: size %dx%d\n", __func__, ssd->qxl.id,
710 info.width, info.height);
711 return 1;
712 }
713
714 static const QXLInterface dpy_interface = {
715 .base.type = SPICE_INTERFACE_QXL,
716 .base.description = "qemu simple display",
717 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
718 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
719
720 .attache_worker = interface_attach_worker,
721 .set_compression_level = interface_set_compression_level,
722 #if SPICE_NEEDS_SET_MM_TIME
723 .set_mm_time = interface_set_mm_time,
724 #endif
725 .get_init_info = interface_get_init_info,
726
727 /* the callbacks below are called from spice server thread context */
728 .get_command = interface_get_command,
729 .req_cmd_notification = interface_req_cmd_notification,
730 .release_resource = interface_release_resource,
731 .get_cursor_command = interface_get_cursor_command,
732 .req_cursor_notification = interface_req_cursor_notification,
733 .notify_update = interface_notify_update,
734 .flush_resources = interface_flush_resources,
735 .async_complete = interface_async_complete,
736 .update_area_complete = interface_update_area_complete,
737 .set_client_capabilities = interface_set_client_capabilities,
738 .client_monitors_config = interface_client_monitors_config,
739 };
740
741 static void display_update(DisplayChangeListener *dcl,
742 int x, int y, int w, int h)
743 {
744 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
745 qemu_spice_display_update(ssd, x, y, w, h);
746 }
747
748 static void display_switch(DisplayChangeListener *dcl,
749 DisplaySurface *surface)
750 {
751 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
752 qemu_spice_display_switch(ssd, surface);
753 }
754
755 static void display_refresh(DisplayChangeListener *dcl)
756 {
757 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
758 qemu_spice_display_refresh(ssd);
759 }
760
761 static void display_mouse_set(DisplayChangeListener *dcl,
762 int x, int y, int on)
763 {
764 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
765
766 qemu_mutex_lock(&ssd->lock);
767 ssd->ptr_x = x;
768 ssd->ptr_y = y;
769 g_free(ssd->ptr_move);
770 ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL, on);
771 qemu_mutex_unlock(&ssd->lock);
772 }
773
774 static void display_mouse_define(DisplayChangeListener *dcl,
775 QEMUCursor *c)
776 {
777 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
778
779 qemu_mutex_lock(&ssd->lock);
780 cursor_get(c);
781 cursor_put(ssd->cursor);
782 ssd->cursor = c;
783 ssd->hot_x = c->hot_x;
784 ssd->hot_y = c->hot_y;
785 g_free(ssd->ptr_move);
786 ssd->ptr_move = NULL;
787 g_free(ssd->ptr_define);
788 ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c, 0);
789 qemu_mutex_unlock(&ssd->lock);
790 }
791
792 static const DisplayChangeListenerOps display_listener_ops = {
793 .dpy_name = "spice",
794 .dpy_gfx_update = display_update,
795 .dpy_gfx_switch = display_switch,
796 .dpy_gfx_check_format = qemu_pixman_check_format,
797 .dpy_refresh = display_refresh,
798 .dpy_mouse_set = display_mouse_set,
799 .dpy_cursor_define = display_mouse_define,
800 };
801
802 #ifdef HAVE_SPICE_GL
803
804 static void qemu_spice_gl_monitor_config(SimpleSpiceDisplay *ssd,
805 int x, int y, int w, int h)
806 {
807 QXLMonitorsConfig *config;
808 QXLCookie *cookie;
809
810 config = g_malloc0(sizeof(QXLMonitorsConfig) + sizeof(QXLHead));
811 config->count = 1;
812 config->max_allowed = 1;
813 config->heads[0].x = x;
814 config->heads[0].y = y;
815 config->heads[0].width = w;
816 config->heads[0].height = h;
817 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
818 QXL_IO_MONITORS_CONFIG_ASYNC);
819 cookie->u.data = config;
820
821 spice_qxl_monitors_config_async(&ssd->qxl,
822 (uintptr_t)config,
823 MEMSLOT_GROUP_HOST,
824 (uintptr_t)cookie);
825 }
826
827 static void qemu_spice_gl_block(SimpleSpiceDisplay *ssd, bool block)
828 {
829 uint64_t timeout;
830
831 if (block) {
832 timeout = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
833 timeout += 1000; /* one sec */
834 timer_mod(ssd->gl_unblock_timer, timeout);
835 } else {
836 timer_del(ssd->gl_unblock_timer);
837 }
838 graphic_hw_gl_block(ssd->dcl.con, block);
839 }
840
841 static void qemu_spice_gl_unblock_bh(void *opaque)
842 {
843 SimpleSpiceDisplay *ssd = opaque;
844
845 qemu_spice_gl_block(ssd, false);
846 }
847
848 static void qemu_spice_gl_block_timer(void *opaque)
849 {
850 fprintf(stderr, "WARNING: spice: no gl-draw-done within one second\n");
851 }
852
853 static void spice_gl_refresh(DisplayChangeListener *dcl)
854 {
855 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
856 uint64_t cookie;
857
858 if (!ssd->ds || qemu_console_is_gl_blocked(ssd->dcl.con)) {
859 return;
860 }
861
862 graphic_hw_update(dcl->con);
863 if (ssd->gl_updates && ssd->have_surface) {
864 qemu_spice_gl_block(ssd, true);
865 cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
866 spice_qxl_gl_draw_async(&ssd->qxl, 0, 0,
867 surface_width(ssd->ds),
868 surface_height(ssd->ds),
869 cookie);
870 ssd->gl_updates = 0;
871 }
872 }
873
874 static void spice_gl_update(DisplayChangeListener *dcl,
875 int x, int y, int w, int h)
876 {
877 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
878
879 surface_gl_update_texture(ssd->gls, ssd->ds, x, y, w, h);
880 ssd->gl_updates++;
881 }
882
883 static void spice_gl_switch(DisplayChangeListener *dcl,
884 struct DisplaySurface *new_surface)
885 {
886 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
887 EGLint stride, fourcc;
888 int fd;
889
890 if (ssd->ds) {
891 surface_gl_destroy_texture(ssd->gls, ssd->ds);
892 }
893 ssd->ds = new_surface;
894 if (ssd->ds) {
895 surface_gl_create_texture(ssd->gls, ssd->ds);
896 fd = egl_get_fd_for_texture(ssd->ds->texture,
897 &stride, &fourcc);
898 if (fd < 0) {
899 surface_gl_destroy_texture(ssd->gls, ssd->ds);
900 return;
901 }
902
903 dprint(1, "%s: %dx%d (stride %d/%d, fourcc 0x%x)\n", __func__,
904 surface_width(ssd->ds), surface_height(ssd->ds),
905 surface_stride(ssd->ds), stride, fourcc);
906
907 /* note: spice server will close the fd */
908 spice_qxl_gl_scanout(&ssd->qxl, fd,
909 surface_width(ssd->ds),
910 surface_height(ssd->ds),
911 stride, fourcc, false);
912 ssd->have_surface = true;
913 ssd->have_scanout = false;
914
915 qemu_spice_gl_monitor_config(ssd, 0, 0,
916 surface_width(ssd->ds),
917 surface_height(ssd->ds));
918 }
919 }
920
921 static QEMUGLContext qemu_spice_gl_create_context(DisplayChangeListener *dcl,
922 QEMUGLParams *params)
923 {
924 eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
925 qemu_egl_rn_ctx);
926 return qemu_egl_create_context(dcl, params);
927 }
928
929 static void qemu_spice_gl_scanout(DisplayChangeListener *dcl,
930 uint32_t tex_id,
931 bool y_0_top,
932 uint32_t backing_width,
933 uint32_t backing_height,
934 uint32_t x, uint32_t y,
935 uint32_t w, uint32_t h)
936 {
937 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
938 EGLint stride = 0, fourcc = 0;
939 int fd = -1;
940
941 if (tex_id) {
942 fd = egl_get_fd_for_texture(tex_id, &stride, &fourcc);
943 if (fd < 0) {
944 fprintf(stderr, "%s: failed to get fd for texture\n", __func__);
945 return;
946 }
947 dprint(1, "%s: %dx%d (stride %d, fourcc 0x%x)\n", __func__,
948 w, h, stride, fourcc);
949 } else {
950 dprint(1, "%s: no texture (no framebuffer)\n", __func__);
951 }
952
953 assert(!tex_id || fd >= 0);
954
955 /* note: spice server will close the fd */
956 spice_qxl_gl_scanout(&ssd->qxl, fd, backing_width, backing_height,
957 stride, fourcc, y_0_top);
958 ssd->have_surface = false;
959 ssd->have_scanout = (tex_id != 0);
960
961 qemu_spice_gl_monitor_config(ssd, x, y, w, h);
962 }
963
964 static void qemu_spice_gl_update(DisplayChangeListener *dcl,
965 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
966 {
967 SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
968 uint64_t cookie;
969
970 if (!ssd->have_scanout) {
971 return;
972 }
973
974 dprint(2, "%s: %dx%d+%d+%d\n", __func__, w, h, x, y);
975 qemu_spice_gl_block(ssd, true);
976 cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
977 spice_qxl_gl_draw_async(&ssd->qxl, x, y, w, h, cookie);
978 }
979
980 static const DisplayChangeListenerOps display_listener_gl_ops = {
981 .dpy_name = "spice-egl",
982 .dpy_gfx_update = spice_gl_update,
983 .dpy_gfx_switch = spice_gl_switch,
984 .dpy_gfx_check_format = console_gl_check_format,
985 .dpy_refresh = spice_gl_refresh,
986 .dpy_mouse_set = display_mouse_set,
987 .dpy_cursor_define = display_mouse_define,
988
989 .dpy_gl_ctx_create = qemu_spice_gl_create_context,
990 .dpy_gl_ctx_destroy = qemu_egl_destroy_context,
991 .dpy_gl_ctx_make_current = qemu_egl_make_context_current,
992 .dpy_gl_ctx_get_current = qemu_egl_get_current_context,
993
994 .dpy_gl_scanout = qemu_spice_gl_scanout,
995 .dpy_gl_update = qemu_spice_gl_update,
996 };
997
998 #endif /* HAVE_SPICE_GL */
999
1000 static void qemu_spice_display_init_one(QemuConsole *con)
1001 {
1002 SimpleSpiceDisplay *ssd = g_new0(SimpleSpiceDisplay, 1);
1003
1004 qemu_spice_display_init_common(ssd);
1005
1006 ssd->dcl.ops = &display_listener_ops;
1007 #ifdef HAVE_SPICE_GL
1008 if (display_opengl) {
1009 ssd->dcl.ops = &display_listener_gl_ops;
1010 ssd->gl_unblock_bh = qemu_bh_new(qemu_spice_gl_unblock_bh, ssd);
1011 ssd->gl_unblock_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1012 qemu_spice_gl_block_timer, ssd);
1013 ssd->gls = console_gl_init_context();
1014 ssd->have_surface = false;
1015 ssd->have_scanout = false;
1016 }
1017 #endif
1018 ssd->dcl.con = con;
1019
1020 ssd->qxl.base.sif = &dpy_interface.base;
1021 qemu_spice_add_display_interface(&ssd->qxl, con);
1022 assert(ssd->worker);
1023 qemu_spice_create_host_memslot(ssd);
1024
1025 register_displaychangelistener(&ssd->dcl);
1026 }
1027
1028 void qemu_spice_display_init(void)
1029 {
1030 QemuConsole *con;
1031 int i;
1032
1033 for (i = 0;; i++) {
1034 con = qemu_console_lookup_by_index(i);
1035 if (!con || !qemu_console_is_graphic(con)) {
1036 break;
1037 }
1038 if (qemu_spice_have_display_interface(con)) {
1039 continue;
1040 }
1041 qemu_spice_display_init_one(con);
1042 }
1043 }