qemu/ui/spice-display.c
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   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 "ui/qemu-spice.h"
  20#include "qemu/timer.h"
  21#include "qemu/main-loop.h"
  22#include "qemu/option.h"
  23#include "qemu/queue.h"
  24#include "ui/console.h"
  25#include "trace.h"
  26
  27#include "ui/spice-display.h"
  28
  29bool spice_opengl;
  30
  31int qemu_spice_rect_is_empty(const QXLRect* r)
  32{
  33    return r->top == r->bottom || r->left == r->right;
  34}
  35
  36void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r)
  37{
  38    if (qemu_spice_rect_is_empty(r)) {
  39        return;
  40    }
  41
  42    if (qemu_spice_rect_is_empty(dest)) {
  43        *dest = *r;
  44        return;
  45    }
  46
  47    dest->top = MIN(dest->top, r->top);
  48    dest->left = MIN(dest->left, r->left);
  49    dest->bottom = MAX(dest->bottom, r->bottom);
  50    dest->right = MAX(dest->right, r->right);
  51}
  52
  53QXLCookie *qxl_cookie_new(int type, uint64_t io)
  54{
  55    QXLCookie *cookie;
  56
  57    cookie = g_malloc0(sizeof(*cookie));
  58    cookie->type = type;
  59    cookie->io = io;
  60    return cookie;
  61}
  62
  63void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
  64                            qxl_async_io async)
  65{
  66    trace_qemu_spice_add_memslot(ssd->qxl.id, memslot->slot_id,
  67                                memslot->virt_start, memslot->virt_end,
  68                                async);
  69
  70    if (async != QXL_SYNC) {
  71        spice_qxl_add_memslot_async(&ssd->qxl, memslot,
  72                (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
  73                                          QXL_IO_MEMSLOT_ADD_ASYNC));
  74    } else {
  75        spice_qxl_add_memslot(&ssd->qxl, memslot);
  76    }
  77}
  78
  79void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
  80{
  81    trace_qemu_spice_del_memslot(ssd->qxl.id, gid, sid);
  82    spice_qxl_del_memslot(&ssd->qxl, gid, sid);
  83}
  84
  85void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
  86                                       QXLDevSurfaceCreate *surface,
  87                                       qxl_async_io async)
  88{
  89    trace_qemu_spice_create_primary_surface(ssd->qxl.id, id, surface, async);
  90    if (async != QXL_SYNC) {
  91        spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface,
  92                (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
  93                                          QXL_IO_CREATE_PRIMARY_ASYNC));
  94    } else {
  95        spice_qxl_create_primary_surface(&ssd->qxl, id, surface);
  96    }
  97}
  98
  99void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 100                                        uint32_t id, qxl_async_io async)
 101{
 102    trace_qemu_spice_destroy_primary_surface(ssd->qxl.id, id, async);
 103    if (async != QXL_SYNC) {
 104        spice_qxl_destroy_primary_surface_async(&ssd->qxl, id,
 105                (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
 106                                          QXL_IO_DESTROY_PRIMARY_ASYNC));
 107    } else {
 108        spice_qxl_destroy_primary_surface(&ssd->qxl, id);
 109    }
 110}
 111
 112void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
 113{
 114    trace_qemu_spice_wakeup(ssd->qxl.id);
 115    spice_qxl_wakeup(&ssd->qxl);
 116}
 117
 118static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
 119                                         QXLRect *rect)
 120{
 121    SimpleSpiceUpdate *update;
 122    QXLDrawable *drawable;
 123    QXLImage *image;
 124    QXLCommand *cmd;
 125    int bw, bh;
 126    struct timespec time_space;
 127    pixman_image_t *dest;
 128
 129    trace_qemu_spice_create_update(
 130           rect->left, rect->right,
 131           rect->top, rect->bottom);
 132
 133    update   = g_malloc0(sizeof(*update));
 134    drawable = &update->drawable;
 135    image    = &update->image;
 136    cmd      = &update->ext.cmd;
 137
 138    bw       = rect->right - rect->left;
 139    bh       = rect->bottom - rect->top;
 140    update->bitmap = g_malloc(bw * bh * 4);
 141
 142    drawable->bbox            = *rect;
 143    drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 144    drawable->effect          = QXL_EFFECT_OPAQUE;
 145    drawable->release_info.id = (uintptr_t)(&update->ext);
 146    drawable->type            = QXL_DRAW_COPY;
 147    drawable->surfaces_dest[0] = -1;
 148    drawable->surfaces_dest[1] = -1;
 149    drawable->surfaces_dest[2] = -1;
 150    clock_gettime(CLOCK_MONOTONIC, &time_space);
 151    /* time in milliseconds from epoch. */
 152    drawable->mm_time = time_space.tv_sec * 1000
 153                      + time_space.tv_nsec / 1000 / 1000;
 154
 155    drawable->u.copy.rop_descriptor  = SPICE_ROPD_OP_PUT;
 156    drawable->u.copy.src_bitmap      = (uintptr_t)image;
 157    drawable->u.copy.src_area.right  = bw;
 158    drawable->u.copy.src_area.bottom = bh;
 159
 160    QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++);
 161    image->descriptor.type   = SPICE_IMAGE_TYPE_BITMAP;
 162    image->bitmap.flags      = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN;
 163    image->bitmap.stride     = bw * 4;
 164    image->descriptor.width  = image->bitmap.x = bw;
 165    image->descriptor.height = image->bitmap.y = bh;
 166    image->bitmap.data = (uintptr_t)(update->bitmap);
 167    image->bitmap.palette = 0;
 168    image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
 169
 170    dest = pixman_image_create_bits(PIXMAN_LE_x8r8g8b8, bw, bh,
 171                                    (void *)update->bitmap, bw * 4);
 172    pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror,
 173                           rect->left, rect->top, 0, 0,
 174                           rect->left, rect->top, bw, bh);
 175    pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest,
 176                           rect->left, rect->top, 0, 0,
 177                           0, 0, bw, bh);
 178    pixman_image_unref(dest);
 179
 180    cmd->type = QXL_CMD_DRAW;
 181    cmd->data = (uintptr_t)drawable;
 182
 183    QTAILQ_INSERT_TAIL(&ssd->updates, update, next);
 184}
 185
 186static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
 187{
 188    static const int blksize = 32;
 189    int blocks = DIV_ROUND_UP(surface_width(ssd->ds), blksize);
 190    int dirty_top[blocks];
 191    int y, yoff1, yoff2, x, xoff, blk, bw;
 192    int bpp = surface_bytes_per_pixel(ssd->ds);
 193    uint8_t *guest, *mirror;
 194
 195    if (qemu_spice_rect_is_empty(&ssd->dirty)) {
 196        return;
 197    };
 198
 199    for (blk = 0; blk < blocks; blk++) {
 200        dirty_top[blk] = -1;
 201    }
 202
 203    guest = surface_data(ssd->ds);
 204    mirror = (void *)pixman_image_get_data(ssd->mirror);
 205    for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
 206        yoff1 = y * surface_stride(ssd->ds);
 207        yoff2 = y * pixman_image_get_stride(ssd->mirror);
 208        for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
 209            xoff = x * bpp;
 210            blk = x / blksize;
 211            bw = MIN(blksize, ssd->dirty.right - x);
 212            if (memcmp(guest + yoff1 + xoff,
 213                       mirror + yoff2 + xoff,
 214                       bw * bpp) == 0) {
 215                if (dirty_top[blk] != -1) {
 216                    QXLRect update = {
 217                        .top    = dirty_top[blk],
 218                        .bottom = y,
 219                        .left   = x,
 220                        .right  = x + bw,
 221                    };
 222                    qemu_spice_create_one_update(ssd, &update);
 223                    dirty_top[blk] = -1;
 224                }
 225            } else {
 226                if (dirty_top[blk] == -1) {
 227                    dirty_top[blk] = y;
 228                }
 229            }
 230        }
 231    }
 232
 233    for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
 234        blk = x / blksize;
 235        bw = MIN(blksize, ssd->dirty.right - x);
 236        if (dirty_top[blk] != -1) {
 237            QXLRect update = {
 238                .top    = dirty_top[blk],
 239                .bottom = ssd->dirty.bottom,
 240                .left   = x,
 241                .right  = x + bw,
 242            };
 243            qemu_spice_create_one_update(ssd, &update);
 244            dirty_top[blk] = -1;
 245        }
 246    }
 247
 248    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
 249}
 250
 251static SimpleSpiceCursor*
 252qemu_spice_create_cursor_update(SimpleSpiceDisplay *ssd,
 253                                QEMUCursor *c,
 254                                int on)
 255{
 256    size_t size = c ? c->width * c->height * 4 : 0;
 257    SimpleSpiceCursor *update;
 258    QXLCursorCmd *ccmd;
 259    QXLCursor *cursor;
 260    QXLCommand *cmd;
 261
 262    update   = g_malloc0(sizeof(*update) + size);
 263    ccmd     = &update->cmd;
 264    cursor   = &update->cursor;
 265    cmd      = &update->ext.cmd;
 266
 267    if (c) {
 268        ccmd->type = QXL_CURSOR_SET;
 269        ccmd->u.set.position.x = ssd->ptr_x + ssd->hot_x;
 270        ccmd->u.set.position.y = ssd->ptr_y + ssd->hot_y;
 271        ccmd->u.set.visible    = true;
 272        ccmd->u.set.shape      = (uintptr_t)cursor;
 273        cursor->header.unique     = ssd->unique++;
 274        cursor->header.type       = SPICE_CURSOR_TYPE_ALPHA;
 275        cursor->header.width      = c->width;
 276        cursor->header.height     = c->height;
 277        cursor->header.hot_spot_x = c->hot_x;
 278        cursor->header.hot_spot_y = c->hot_y;
 279        cursor->data_size         = size;
 280        cursor->chunk.data_size   = size;
 281        memcpy(cursor->chunk.data, c->data, size);
 282    } else if (!on) {
 283        ccmd->type = QXL_CURSOR_HIDE;
 284    } else {
 285        ccmd->type = QXL_CURSOR_MOVE;
 286        ccmd->u.position.x = ssd->ptr_x + ssd->hot_x;
 287        ccmd->u.position.y = ssd->ptr_y + ssd->hot_y;
 288    }
 289    ccmd->release_info.id = (uintptr_t)(&update->ext);
 290
 291    cmd->type = QXL_CMD_CURSOR;
 292    cmd->data = (uintptr_t)ccmd;
 293
 294    return update;
 295}
 296
 297/*
 298 * Called from spice server thread context (via interface_release_resource)
 299 * We do *not* hold the global qemu mutex here, so extra care is needed
 300 * when calling qemu functions.  QEMU interfaces used:
 301 *    - g_free (underlying glibc free is re-entrant).
 302 */
 303void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update)
 304{
 305    g_free(update->bitmap);
 306    g_free(update);
 307}
 308
 309void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
 310{
 311    QXLDevMemSlot memslot;
 312
 313    memset(&memslot, 0, sizeof(memslot));
 314    memslot.slot_group_id = MEMSLOT_GROUP_HOST;
 315    memslot.virt_end = ~0;
 316    qemu_spice_add_memslot(ssd, &memslot, QXL_SYNC);
 317}
 318
 319void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
 320{
 321    QXLDevSurfaceCreate surface;
 322    uint64_t surface_size;
 323
 324    memset(&surface, 0, sizeof(surface));
 325
 326    surface_size = (uint64_t) surface_width(ssd->ds) *
 327        surface_height(ssd->ds) * 4;
 328    assert(surface_size > 0);
 329    assert(surface_size < INT_MAX);
 330    if (ssd->bufsize < surface_size) {
 331        ssd->bufsize = surface_size;
 332        g_free(ssd->buf);
 333        ssd->buf = g_malloc(ssd->bufsize);
 334    }
 335
 336    surface.format     = SPICE_SURFACE_FMT_32_xRGB;
 337    surface.width      = surface_width(ssd->ds);
 338    surface.height     = surface_height(ssd->ds);
 339    surface.stride     = -surface.width * 4;
 340    surface.mouse_mode = true;
 341    surface.flags      = 0;
 342    surface.type       = 0;
 343    surface.mem        = (uintptr_t)ssd->buf;
 344    surface.group_id   = MEMSLOT_GROUP_HOST;
 345
 346    qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC);
 347}
 348
 349void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
 350{
 351    qemu_spice_destroy_primary_surface(ssd, 0, QXL_SYNC);
 352}
 353
 354void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd)
 355{
 356    qemu_mutex_init(&ssd->lock);
 357    QTAILQ_INIT(&ssd->updates);
 358    ssd->mouse_x = -1;
 359    ssd->mouse_y = -1;
 360    if (ssd->num_surfaces == 0) {
 361        ssd->num_surfaces = 1024;
 362    }
 363}
 364
 365/* display listener callbacks */
 366
 367void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 368                               int x, int y, int w, int h)
 369{
 370    QXLRect update_area;
 371
 372    trace_qemu_spice_display_update(ssd->qxl.id, x, y, w, h);
 373    update_area.left = x,
 374    update_area.right = x + w;
 375    update_area.top = y;
 376    update_area.bottom = y + h;
 377
 378    if (qemu_spice_rect_is_empty(&ssd->dirty)) {
 379        ssd->notify++;
 380    }
 381    qemu_spice_rect_union(&ssd->dirty, &update_area);
 382}
 383
 384void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
 385                               DisplaySurface *surface)
 386{
 387    SimpleSpiceUpdate *update;
 388    bool need_destroy;
 389
 390    if (surface && ssd->surface &&
 391        surface_width(surface) == pixman_image_get_width(ssd->surface) &&
 392        surface_height(surface) == pixman_image_get_height(ssd->surface) &&
 393        surface_format(surface) == pixman_image_get_format(ssd->surface)) {
 394        /* no-resize fast path: just swap backing store */
 395        trace_qemu_spice_display_surface(ssd->qxl.id,
 396                                         surface_width(surface),
 397                                         surface_height(surface),
 398                                         true);
 399        qemu_mutex_lock(&ssd->lock);
 400        ssd->ds = surface;
 401        pixman_image_unref(ssd->surface);
 402        ssd->surface = pixman_image_ref(ssd->ds->image);
 403        qemu_mutex_unlock(&ssd->lock);
 404        qemu_spice_display_update(ssd, 0, 0,
 405                                  surface_width(surface),
 406                                  surface_height(surface));
 407        return;
 408    }
 409
 410    /* full mode switch */
 411    trace_qemu_spice_display_surface(ssd->qxl.id,
 412                                     surface ? surface_width(surface)  : 0,
 413                                     surface ? surface_height(surface) : 0,
 414                                     false);
 415
 416    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
 417    if (ssd->surface) {
 418        pixman_image_unref(ssd->surface);
 419        ssd->surface = NULL;
 420        pixman_image_unref(ssd->mirror);
 421        ssd->mirror = NULL;
 422    }
 423
 424    qemu_mutex_lock(&ssd->lock);
 425    need_destroy = (ssd->ds != NULL);
 426    ssd->ds = surface;
 427    while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) {
 428        QTAILQ_REMOVE(&ssd->updates, update, next);
 429        qemu_spice_destroy_update(ssd, update);
 430    }
 431    qemu_mutex_unlock(&ssd->lock);
 432    if (need_destroy) {
 433        qemu_spice_destroy_host_primary(ssd);
 434    }
 435    if (ssd->ds) {
 436        ssd->surface = pixman_image_ref(ssd->ds->image);
 437        ssd->mirror  = qemu_pixman_mirror_create(ssd->ds->format,
 438                                                 ssd->ds->image);
 439        qemu_spice_create_host_primary(ssd);
 440    }
 441
 442    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
 443    ssd->notify++;
 444
 445    qemu_mutex_lock(&ssd->lock);
 446    if (ssd->cursor) {
 447        g_free(ssd->ptr_define);
 448        ssd->ptr_define = qemu_spice_create_cursor_update(ssd, ssd->cursor, 0);
 449    }
 450    qemu_mutex_unlock(&ssd->lock);
 451}
 452
 453void qemu_spice_cursor_refresh_bh(void *opaque)
 454{
 455    SimpleSpiceDisplay *ssd = opaque;
 456
 457    qemu_mutex_lock(&ssd->lock);
 458    if (ssd->cursor) {
 459        QEMUCursor *c = ssd->cursor;
 460        assert(ssd->dcl.con);
 461        cursor_get(c);
 462        qemu_mutex_unlock(&ssd->lock);
 463        dpy_cursor_define(ssd->dcl.con, c);
 464        qemu_mutex_lock(&ssd->lock);
 465        cursor_put(c);
 466    }
 467
 468    if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
 469        int x, y;
 470        assert(ssd->dcl.con);
 471        x = ssd->mouse_x;
 472        y = ssd->mouse_y;
 473        ssd->mouse_x = -1;
 474        ssd->mouse_y = -1;
 475        qemu_mutex_unlock(&ssd->lock);
 476        dpy_mouse_set(ssd->dcl.con, x, y, 1);
 477    } else {
 478        qemu_mutex_unlock(&ssd->lock);
 479    }
 480}
 481
 482void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
 483{
 484    graphic_hw_update(ssd->dcl.con);
 485
 486    qemu_mutex_lock(&ssd->lock);
 487    if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) {
 488        qemu_spice_create_update(ssd);
 489        ssd->notify++;
 490    }
 491    qemu_mutex_unlock(&ssd->lock);
 492
 493    trace_qemu_spice_display_refresh(ssd->qxl.id, ssd->notify);
 494    if (ssd->notify) {
 495        ssd->notify = 0;
 496        qemu_spice_wakeup(ssd);
 497    }
 498}
 499
 500/* spice display interface callbacks */
 501
 502static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
 503{
 504    /* nothing to do */
 505}
 506
 507static void interface_set_compression_level(QXLInstance *sin, int level)
 508{
 509    /* nothing to do */
 510}
 511
 512#if SPICE_NEEDS_SET_MM_TIME
 513static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
 514{
 515    /* nothing to do */
 516}
 517#endif
 518
 519static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
 520{
 521    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 522
 523    info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
 524    info->memslot_id_bits  = MEMSLOT_SLOT_BITS;
 525    info->num_memslots = NUM_MEMSLOTS;
 526    info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
 527    info->internal_groupslot_id = 0;
 528    info->qxl_ram_size = 16 * 1024 * 1024;
 529    info->n_surfaces = ssd->num_surfaces;
 530}
 531
 532static int interface_get_command(QXLInstance *sin, QXLCommandExt *ext)
 533{
 534    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 535    SimpleSpiceUpdate *update;
 536    int ret = false;
 537
 538    qemu_mutex_lock(&ssd->lock);
 539    update = QTAILQ_FIRST(&ssd->updates);
 540    if (update != NULL) {
 541        QTAILQ_REMOVE(&ssd->updates, update, next);
 542        *ext = update->ext;
 543        ret = true;
 544    }
 545    qemu_mutex_unlock(&ssd->lock);
 546
 547    return ret;
 548}
 549
 550static int interface_req_cmd_notification(QXLInstance *sin)
 551{
 552    return 1;
 553}
 554
 555static void interface_release_resource(QXLInstance *sin,
 556                                       QXLReleaseInfoExt rext)
 557{
 558    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 559    SimpleSpiceUpdate *update;
 560    SimpleSpiceCursor *cursor;
 561    QXLCommandExt *ext;
 562
 563    ext = (void *)(intptr_t)(rext.info->id);
 564    switch (ext->cmd.type) {
 565    case QXL_CMD_DRAW:
 566        update = container_of(ext, SimpleSpiceUpdate, ext);
 567        qemu_spice_destroy_update(ssd, update);
 568        break;
 569    case QXL_CMD_CURSOR:
 570        cursor = container_of(ext, SimpleSpiceCursor, ext);
 571        g_free(cursor);
 572        break;
 573    default:
 574        g_assert_not_reached();
 575    }
 576}
 577
 578static int interface_get_cursor_command(QXLInstance *sin, QXLCommandExt *ext)
 579{
 580    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 581    int ret;
 582
 583    qemu_mutex_lock(&ssd->lock);
 584    if (ssd->ptr_define) {
 585        *ext = ssd->ptr_define->ext;
 586        ssd->ptr_define = NULL;
 587        ret = true;
 588    } else if (ssd->ptr_move) {
 589        *ext = ssd->ptr_move->ext;
 590        ssd->ptr_move = NULL;
 591        ret = true;
 592    } else {
 593        ret = false;
 594    }
 595    qemu_mutex_unlock(&ssd->lock);
 596    return ret;
 597}
 598
 599static int interface_req_cursor_notification(QXLInstance *sin)
 600{
 601    return 1;
 602}
 603
 604static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
 605{
 606    fprintf(stderr, "%s: abort()\n", __func__);
 607    abort();
 608}
 609
 610static int interface_flush_resources(QXLInstance *sin)
 611{
 612    fprintf(stderr, "%s: abort()\n", __func__);
 613    abort();
 614    return 0;
 615}
 616
 617static void interface_update_area_complete(QXLInstance *sin,
 618        uint32_t surface_id,
 619        QXLRect *dirty, uint32_t num_updated_rects)
 620{
 621    /* should never be called, used in qxl native mode only */
 622    fprintf(stderr, "%s: abort()\n", __func__);
 623    abort();
 624}
 625
 626/* called from spice server thread context only */
 627static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
 628{
 629    QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
 630
 631    switch (cookie->type) {
 632#ifdef HAVE_SPICE_GL
 633    case QXL_COOKIE_TYPE_GL_DRAW_DONE:
 634    {
 635        SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 636        qemu_bh_schedule(ssd->gl_unblock_bh);
 637        break;
 638    }
 639    case QXL_COOKIE_TYPE_IO:
 640        if (cookie->io == QXL_IO_MONITORS_CONFIG_ASYNC) {
 641            g_free(cookie->u.data);
 642        }
 643        break;
 644#endif
 645    default:
 646        /* should never be called, used in qxl native mode only */
 647        fprintf(stderr, "%s: abort()\n", __func__);
 648        abort();
 649    }
 650    g_free(cookie);
 651}
 652
 653static void interface_set_client_capabilities(QXLInstance *sin,
 654                                              uint8_t client_present,
 655                                              uint8_t caps[58])
 656{
 657    /* nothing to do */
 658}
 659
 660static int interface_client_monitors_config(QXLInstance *sin,
 661                                            VDAgentMonitorsConfig *mc)
 662{
 663    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 664    QemuUIInfo info;
 665    int head;
 666
 667    if (!dpy_ui_info_supported(ssd->dcl.con)) {
 668        return 0; /* == not supported by guest */
 669    }
 670
 671    if (!mc) {
 672        return 1;
 673    }
 674
 675    memset(&info, 0, sizeof(info));
 676
 677    if (mc->num_of_monitors == 1) {
 678        /*
 679         * New spice-server version which filters the list of monitors
 680         * to only include those that belong to our display channel.
 681         *
 682         * single-head configuration (where filtering doesn't matter)
 683         * takes this code path too.
 684         */
 685        info.width  = mc->monitors[0].width;
 686        info.height = mc->monitors[0].height;
 687    } else {
 688        /*
 689         * Old spice-server which gives us all monitors, so we have to
 690         * figure ourself which entry we need.  Array index is the
 691         * channel_id, which is the qemu console index, see
 692         * qemu_spice_add_display_interface().
 693         */
 694        head = qemu_console_get_index(ssd->dcl.con);
 695        if (mc->num_of_monitors > head) {
 696            info.width  = mc->monitors[head].width;
 697            info.height = mc->monitors[head].height;
 698        }
 699    }
 700
 701    trace_qemu_spice_ui_info(ssd->qxl.id, info.width, info.height);
 702    dpy_set_ui_info(ssd->dcl.con, &info);
 703    return 1;
 704}
 705
 706static const QXLInterface dpy_interface = {
 707    .base.type               = SPICE_INTERFACE_QXL,
 708    .base.description        = "qemu simple display",
 709    .base.major_version      = SPICE_INTERFACE_QXL_MAJOR,
 710    .base.minor_version      = SPICE_INTERFACE_QXL_MINOR,
 711
 712    .attache_worker          = interface_attach_worker,
 713    .set_compression_level   = interface_set_compression_level,
 714#if SPICE_NEEDS_SET_MM_TIME
 715    .set_mm_time             = interface_set_mm_time,
 716#endif
 717    .get_init_info           = interface_get_init_info,
 718
 719    /* the callbacks below are called from spice server thread context */
 720    .get_command             = interface_get_command,
 721    .req_cmd_notification    = interface_req_cmd_notification,
 722    .release_resource        = interface_release_resource,
 723    .get_cursor_command      = interface_get_cursor_command,
 724    .req_cursor_notification = interface_req_cursor_notification,
 725    .notify_update           = interface_notify_update,
 726    .flush_resources         = interface_flush_resources,
 727    .async_complete          = interface_async_complete,
 728    .update_area_complete    = interface_update_area_complete,
 729    .set_client_capabilities = interface_set_client_capabilities,
 730    .client_monitors_config  = interface_client_monitors_config,
 731};
 732
 733static void display_update(DisplayChangeListener *dcl,
 734                           int x, int y, int w, int h)
 735{
 736    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 737    qemu_spice_display_update(ssd, x, y, w, h);
 738}
 739
 740static void display_switch(DisplayChangeListener *dcl,
 741                           DisplaySurface *surface)
 742{
 743    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 744    qemu_spice_display_switch(ssd, surface);
 745}
 746
 747static void display_refresh(DisplayChangeListener *dcl)
 748{
 749    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 750    qemu_spice_display_refresh(ssd);
 751}
 752
 753static void display_mouse_set(DisplayChangeListener *dcl,
 754                              int x, int y, int on)
 755{
 756    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 757
 758    qemu_mutex_lock(&ssd->lock);
 759    ssd->ptr_x = x;
 760    ssd->ptr_y = y;
 761    g_free(ssd->ptr_move);
 762    ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL, on);
 763    qemu_mutex_unlock(&ssd->lock);
 764    qemu_spice_wakeup(ssd);
 765}
 766
 767static void display_mouse_define(DisplayChangeListener *dcl,
 768                                 QEMUCursor *c)
 769{
 770    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 771
 772    qemu_mutex_lock(&ssd->lock);
 773    cursor_get(c);
 774    cursor_put(ssd->cursor);
 775    ssd->cursor = c;
 776    ssd->hot_x = c->hot_x;
 777    ssd->hot_y = c->hot_y;
 778    g_free(ssd->ptr_move);
 779    ssd->ptr_move = NULL;
 780    g_free(ssd->ptr_define);
 781    ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c, 0);
 782    qemu_mutex_unlock(&ssd->lock);
 783    qemu_spice_wakeup(ssd);
 784}
 785
 786static const DisplayChangeListenerOps display_listener_ops = {
 787    .dpy_name             = "spice",
 788    .dpy_gfx_update       = display_update,
 789    .dpy_gfx_switch       = display_switch,
 790    .dpy_gfx_check_format = qemu_pixman_check_format,
 791    .dpy_refresh          = display_refresh,
 792    .dpy_mouse_set        = display_mouse_set,
 793    .dpy_cursor_define    = display_mouse_define,
 794};
 795
 796#ifdef HAVE_SPICE_GL
 797
 798static void qemu_spice_gl_monitor_config(SimpleSpiceDisplay *ssd,
 799                                         int x, int y, int w, int h)
 800{
 801    QXLMonitorsConfig *config;
 802    QXLCookie *cookie;
 803
 804    config = g_malloc0(sizeof(QXLMonitorsConfig) + sizeof(QXLHead));
 805    config->count = 1;
 806    config->max_allowed = 1;
 807    config->heads[0].x = x;
 808    config->heads[0].y = y;
 809    config->heads[0].width = w;
 810    config->heads[0].height = h;
 811    cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
 812                            QXL_IO_MONITORS_CONFIG_ASYNC);
 813    cookie->u.data = config;
 814
 815    spice_qxl_monitors_config_async(&ssd->qxl,
 816                                    (uintptr_t)config,
 817                                    MEMSLOT_GROUP_HOST,
 818                                    (uintptr_t)cookie);
 819}
 820
 821static void qemu_spice_gl_block(SimpleSpiceDisplay *ssd, bool block)
 822{
 823    uint64_t timeout;
 824
 825    if (block) {
 826        timeout = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
 827        timeout += 1000; /* one sec */
 828        timer_mod(ssd->gl_unblock_timer, timeout);
 829    } else {
 830        timer_del(ssd->gl_unblock_timer);
 831    }
 832    graphic_hw_gl_block(ssd->dcl.con, block);
 833}
 834
 835static void qemu_spice_gl_unblock_bh(void *opaque)
 836{
 837    SimpleSpiceDisplay *ssd = opaque;
 838
 839    qemu_spice_gl_block(ssd, false);
 840}
 841
 842static void qemu_spice_gl_block_timer(void *opaque)
 843{
 844    warn_report("spice: no gl-draw-done within one second");
 845}
 846
 847static void spice_gl_refresh(DisplayChangeListener *dcl)
 848{
 849    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 850    uint64_t cookie;
 851
 852    if (!ssd->ds || qemu_console_is_gl_blocked(ssd->dcl.con)) {
 853        return;
 854    }
 855
 856    graphic_hw_update(dcl->con);
 857    if (ssd->gl_updates && ssd->have_surface) {
 858        qemu_spice_gl_block(ssd, true);
 859        cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
 860        spice_qxl_gl_draw_async(&ssd->qxl, 0, 0,
 861                                surface_width(ssd->ds),
 862                                surface_height(ssd->ds),
 863                                cookie);
 864        ssd->gl_updates = 0;
 865    }
 866}
 867
 868static void spice_gl_update(DisplayChangeListener *dcl,
 869                            int x, int y, int w, int h)
 870{
 871    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 872
 873    surface_gl_update_texture(ssd->gls, ssd->ds, x, y, w, h);
 874    ssd->gl_updates++;
 875}
 876
 877static void spice_gl_switch(DisplayChangeListener *dcl,
 878                            struct DisplaySurface *new_surface)
 879{
 880    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 881    EGLint stride, fourcc;
 882    int fd;
 883
 884    if (ssd->ds) {
 885        surface_gl_destroy_texture(ssd->gls, ssd->ds);
 886    }
 887    ssd->ds = new_surface;
 888    if (ssd->ds) {
 889        surface_gl_create_texture(ssd->gls, ssd->ds);
 890        fd = egl_get_fd_for_texture(ssd->ds->texture,
 891                                    &stride, &fourcc,
 892                                    NULL);
 893        if (fd < 0) {
 894            surface_gl_destroy_texture(ssd->gls, ssd->ds);
 895            return;
 896        }
 897
 898        trace_qemu_spice_gl_surface(ssd->qxl.id,
 899                                    surface_width(ssd->ds),
 900                                    surface_height(ssd->ds),
 901                                    fourcc);
 902
 903        /* note: spice server will close the fd */
 904        spice_qxl_gl_scanout(&ssd->qxl, fd,
 905                             surface_width(ssd->ds),
 906                             surface_height(ssd->ds),
 907                             stride, fourcc, false);
 908        ssd->have_surface = true;
 909        ssd->have_scanout = false;
 910
 911        qemu_spice_gl_monitor_config(ssd, 0, 0,
 912                                     surface_width(ssd->ds),
 913                                     surface_height(ssd->ds));
 914    }
 915}
 916
 917static QEMUGLContext qemu_spice_gl_create_context(DisplayChangeListener *dcl,
 918                                                  QEMUGLParams *params)
 919{
 920    eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
 921                   qemu_egl_rn_ctx);
 922    return qemu_egl_create_context(dcl, params);
 923}
 924
 925static void qemu_spice_gl_scanout_disable(DisplayChangeListener *dcl)
 926{
 927    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 928
 929    trace_qemu_spice_gl_scanout_disable(ssd->qxl.id);
 930    spice_qxl_gl_scanout(&ssd->qxl, -1, 0, 0, 0, 0, false);
 931    qemu_spice_gl_monitor_config(ssd, 0, 0, 0, 0);
 932    ssd->have_surface = false;
 933    ssd->have_scanout = false;
 934}
 935
 936static void qemu_spice_gl_scanout_texture(DisplayChangeListener *dcl,
 937                                          uint32_t tex_id,
 938                                          bool y_0_top,
 939                                          uint32_t backing_width,
 940                                          uint32_t backing_height,
 941                                          uint32_t x, uint32_t y,
 942                                          uint32_t w, uint32_t h)
 943{
 944    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 945    EGLint stride = 0, fourcc = 0;
 946    int fd = -1;
 947
 948    assert(tex_id);
 949    fd = egl_get_fd_for_texture(tex_id, &stride, &fourcc, NULL);
 950    if (fd < 0) {
 951        fprintf(stderr, "%s: failed to get fd for texture\n", __func__);
 952        return;
 953    }
 954    trace_qemu_spice_gl_scanout_texture(ssd->qxl.id, w, h, fourcc);
 955
 956    /* note: spice server will close the fd */
 957    spice_qxl_gl_scanout(&ssd->qxl, fd, backing_width, backing_height,
 958                         stride, fourcc, y_0_top);
 959    qemu_spice_gl_monitor_config(ssd, x, y, w, h);
 960    ssd->have_surface = false;
 961    ssd->have_scanout = true;
 962}
 963
 964static void qemu_spice_gl_scanout_dmabuf(DisplayChangeListener *dcl,
 965                                         QemuDmaBuf *dmabuf)
 966{
 967    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 968
 969    ssd->guest_dmabuf = dmabuf;
 970    ssd->guest_dmabuf_refresh = true;
 971
 972    ssd->have_surface = false;
 973    ssd->have_scanout = true;
 974}
 975
 976static void qemu_spice_gl_cursor_dmabuf(DisplayChangeListener *dcl,
 977                                        QemuDmaBuf *dmabuf, bool have_hot,
 978                                        uint32_t hot_x, uint32_t hot_y)
 979{
 980    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 981
 982    ssd->have_hot = have_hot;
 983    ssd->hot_x = hot_x;
 984    ssd->hot_y = hot_y;
 985
 986    trace_qemu_spice_gl_cursor(ssd->qxl.id, dmabuf != NULL, have_hot);
 987    if (dmabuf) {
 988        egl_dmabuf_import_texture(dmabuf);
 989        if (!dmabuf->texture) {
 990            return;
 991        }
 992        egl_fb_setup_for_tex(&ssd->cursor_fb, dmabuf->width, dmabuf->height,
 993                             dmabuf->texture, false);
 994    } else {
 995        egl_fb_destroy(&ssd->cursor_fb);
 996    }
 997}
 998
 999static void qemu_spice_gl_cursor_position(DisplayChangeListener *dcl,
1000                                          uint32_t pos_x, uint32_t pos_y)
1001{
1002    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
1003
1004    qemu_mutex_lock(&ssd->lock);
1005    ssd->ptr_x = pos_x;
1006    ssd->ptr_y = pos_y;
1007    qemu_mutex_unlock(&ssd->lock);
1008}
1009
1010static void qemu_spice_gl_release_dmabuf(DisplayChangeListener *dcl,
1011                                         QemuDmaBuf *dmabuf)
1012{
1013    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
1014
1015    if (ssd->guest_dmabuf == dmabuf) {
1016        ssd->guest_dmabuf = NULL;
1017        ssd->guest_dmabuf_refresh = false;
1018    }
1019    egl_dmabuf_release_texture(dmabuf);
1020}
1021
1022static void qemu_spice_gl_update(DisplayChangeListener *dcl,
1023                                 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1024{
1025    SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
1026    EGLint stride = 0, fourcc = 0;
1027    bool render_cursor = false;
1028    bool y_0_top = false; /* FIXME */
1029    uint64_t cookie;
1030    int fd;
1031
1032    if (!ssd->have_scanout) {
1033        return;
1034    }
1035
1036    if (ssd->cursor_fb.texture) {
1037        render_cursor = true;
1038    }
1039    if (ssd->render_cursor != render_cursor) {
1040        ssd->render_cursor = render_cursor;
1041        ssd->guest_dmabuf_refresh = true;
1042        egl_fb_destroy(&ssd->blit_fb);
1043    }
1044
1045    if (ssd->guest_dmabuf_refresh) {
1046        QemuDmaBuf *dmabuf = ssd->guest_dmabuf;
1047        if (render_cursor) {
1048            egl_dmabuf_import_texture(dmabuf);
1049            if (!dmabuf->texture) {
1050                return;
1051            }
1052
1053            /* source framebuffer */
1054            egl_fb_setup_for_tex(&ssd->guest_fb,
1055                                 dmabuf->width, dmabuf->height,
1056                                 dmabuf->texture, false);
1057
1058            /* dest framebuffer */
1059            if (ssd->blit_fb.width  != dmabuf->width ||
1060                ssd->blit_fb.height != dmabuf->height) {
1061                trace_qemu_spice_gl_render_dmabuf(ssd->qxl.id, dmabuf->width,
1062                                                  dmabuf->height);
1063                egl_fb_destroy(&ssd->blit_fb);
1064                egl_fb_setup_new_tex(&ssd->blit_fb,
1065                                     dmabuf->width, dmabuf->height);
1066                fd = egl_get_fd_for_texture(ssd->blit_fb.texture,
1067                                            &stride, &fourcc, NULL);
1068                spice_qxl_gl_scanout(&ssd->qxl, fd,
1069                                     dmabuf->width, dmabuf->height,
1070                                     stride, fourcc, false);
1071            }
1072        } else {
1073            trace_qemu_spice_gl_forward_dmabuf(ssd->qxl.id,
1074                                               dmabuf->width, dmabuf->height);
1075            /* note: spice server will close the fd, so hand over a dup */
1076            spice_qxl_gl_scanout(&ssd->qxl, dup(dmabuf->fd),
1077                                 dmabuf->width, dmabuf->height,
1078                                 dmabuf->stride, dmabuf->fourcc,
1079                                 dmabuf->y0_top);
1080        }
1081        qemu_spice_gl_monitor_config(ssd, 0, 0, dmabuf->width, dmabuf->height);
1082        ssd->guest_dmabuf_refresh = false;
1083    }
1084
1085    if (render_cursor) {
1086        int x, y;
1087        qemu_mutex_lock(&ssd->lock);
1088        x = ssd->ptr_x;
1089        y = ssd->ptr_y;
1090        qemu_mutex_unlock(&ssd->lock);
1091        egl_texture_blit(ssd->gls, &ssd->blit_fb, &ssd->guest_fb,
1092                         !y_0_top);
1093        egl_texture_blend(ssd->gls, &ssd->blit_fb, &ssd->cursor_fb,
1094                          !y_0_top, x, y, 1.0, 1.0);
1095        glFlush();
1096    }
1097
1098    trace_qemu_spice_gl_update(ssd->qxl.id, w, h, x, y);
1099    qemu_spice_gl_block(ssd, true);
1100    cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
1101    spice_qxl_gl_draw_async(&ssd->qxl, x, y, w, h, cookie);
1102}
1103
1104static const DisplayChangeListenerOps display_listener_gl_ops = {
1105    .dpy_name                = "spice-egl",
1106    .dpy_gfx_update          = spice_gl_update,
1107    .dpy_gfx_switch          = spice_gl_switch,
1108    .dpy_gfx_check_format    = console_gl_check_format,
1109    .dpy_refresh             = spice_gl_refresh,
1110    .dpy_mouse_set           = display_mouse_set,
1111    .dpy_cursor_define       = display_mouse_define,
1112
1113    .dpy_gl_ctx_create       = qemu_spice_gl_create_context,
1114    .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
1115    .dpy_gl_ctx_make_current = qemu_egl_make_context_current,
1116    .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
1117
1118    .dpy_gl_scanout_disable  = qemu_spice_gl_scanout_disable,
1119    .dpy_gl_scanout_texture  = qemu_spice_gl_scanout_texture,
1120    .dpy_gl_scanout_dmabuf   = qemu_spice_gl_scanout_dmabuf,
1121    .dpy_gl_cursor_dmabuf    = qemu_spice_gl_cursor_dmabuf,
1122    .dpy_gl_cursor_position  = qemu_spice_gl_cursor_position,
1123    .dpy_gl_release_dmabuf   = qemu_spice_gl_release_dmabuf,
1124    .dpy_gl_update           = qemu_spice_gl_update,
1125};
1126
1127#endif /* HAVE_SPICE_GL */
1128
1129static void qemu_spice_display_init_one(QemuConsole *con)
1130{
1131    SimpleSpiceDisplay *ssd = g_new0(SimpleSpiceDisplay, 1);
1132
1133    qemu_spice_display_init_common(ssd);
1134
1135    ssd->dcl.ops = &display_listener_ops;
1136#ifdef HAVE_SPICE_GL
1137    if (spice_opengl) {
1138        ssd->dcl.ops = &display_listener_gl_ops;
1139        ssd->gl_unblock_bh = qemu_bh_new(qemu_spice_gl_unblock_bh, ssd);
1140        ssd->gl_unblock_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1141                                             qemu_spice_gl_block_timer, ssd);
1142        ssd->gls = qemu_gl_init_shader();
1143        ssd->have_surface = false;
1144        ssd->have_scanout = false;
1145    }
1146#endif
1147    ssd->dcl.con = con;
1148
1149    ssd->qxl.base.sif = &dpy_interface.base;
1150    qemu_spice_add_display_interface(&ssd->qxl, con);
1151
1152#if SPICE_SERVER_VERSION >= 0x000e02 /* release 0.14.2 */
1153    char device_address[256] = "";
1154    if (qemu_spice_fill_device_address(con, device_address, 256)) {
1155        spice_qxl_set_device_info(&ssd->qxl,
1156                                  device_address,
1157                                  qemu_console_get_head(con),
1158                                  1);
1159    }
1160#endif
1161
1162    qemu_spice_create_host_memslot(ssd);
1163
1164    register_displaychangelistener(&ssd->dcl);
1165}
1166
1167void qemu_spice_display_init(void)
1168{
1169    QemuOptsList *olist = qemu_find_opts("spice");
1170    QemuOpts *opts = QTAILQ_FIRST(&olist->head);
1171    QemuConsole *spice_con, *con;
1172    const char *str;
1173    int i;
1174
1175    str = qemu_opt_get(opts, "display");
1176    if (str) {
1177        int head = qemu_opt_get_number(opts, "head", 0);
1178        Error *err = NULL;
1179
1180        spice_con = qemu_console_lookup_by_device_name(str, head, &err);
1181        if (err) {
1182            error_report("Failed to lookup display/head");
1183            exit(1);
1184        }
1185    } else {
1186        spice_con = NULL;
1187    }
1188
1189    for (i = 0;; i++) {
1190        con = qemu_console_lookup_by_index(i);
1191        if (!con || !qemu_console_is_graphic(con)) {
1192            break;
1193        }
1194        if (qemu_spice_have_display_interface(con)) {
1195            continue;
1196        }
1197        if (spice_con != NULL && spice_con != con) {
1198            continue;
1199        }
1200        qemu_spice_display_init_one(con);
1201    }
1202}
1203