screen.c

   1 /*
   2
   3      Copyright (C) 2013 Proxmox Server Solutions GmbH
   4
   5      Copyright: spiceterm is under GNU GPL, the GNU General Public License.
   6
   7      This program is free software; you can redistribute it and/or modify
   8      it under the terms of the GNU General Public License as published by
   9      the Free Software Foundation; version 2 dated June, 1991.
  10
  11      This program is distributed in the hope that it will be useful,
  12      but WITHOUT ANY WARRANTY; without even the implied warranty of
  13      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14      GNU General Public License for more details.
  15
  16      You should have received a copy of the GNU General Public License
  17      along with this program; if not, write to the Free Software
  18      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19      02111-1307, USA.
  20
  21      Author: Dietmar Maurer <dietmar@proxmox.com>
  22
  23      Note: qlx drawing code is copied from spice-server test code.
  24
  25 */
  26
  27 #include <stdlib.h>
  28 #include <math.h>
  29 #include <string.h>
  30 #include <stdio.h>
  31 #include <unistd.h>
  32 #include <signal.h>
  33 #include <wait.h>
  34 #include <sys/select.h>
  35 #include <sys/types.h>
  36 #include <getopt.h>
  37
  38 #include <spice.h>
  39 #include <spice/enums.h>
  40 #include <spice/macros.h>
  41 #include <spice/qxl_dev.h>
  42 #include <spice/vd_agent.h>
  43
  44 #include "glyphs.h"
  45
  46 #include "spiceterm.h"
  47
  48 static int debug = 0;
  49
  50 #define DPRINTF(x, format, ...) { \
  51     if (x <= debug) { \
  52         printf("%s: " format "\n" , __FUNCTION__, ## __VA_ARGS__); \
  53     } \
  54 }
  55
  56 #define MEM_SLOT_GROUP_ID 0
  57
  58 /* these colours are from linux kernel drivers/char/vt.c */
  59 /* the default colour table, for VGA+ colour systems */
  60 int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa,
  61     0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff};
  62 int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa,
  63     0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff};
  64 int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa,
  65     0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff};
  66
  67 /* Parts cribbed from spice-display.h/.c/qxl.c */
  68
  69 typedef struct SimpleSpiceUpdate {
  70     QXLCommandExt ext; // needs to be first member
  71     QXLDrawable drawable;
  72     QXLImage image;
  73     uint8_t *bitmap;
  74     int cache_id; // do not free bitmap if cache_id != 0
  75 } SimpleSpiceUpdate;
  76
  77 static void
  78 spice_screen_destroy_update(SimpleSpiceUpdate *update)
  79 {
  80     if (!update) {
  81         return;
  82     }
  83     if (update->drawable.clip.type != SPICE_CLIP_TYPE_NONE) {
  84         uint8_t *ptr = (uint8_t*)update->drawable.clip.data;
  85         free(ptr);
  86     }
  87     if (update->bitmap && !update->cache_id) {
  88         g_free(update->bitmap);
  89     }
  90
  91     g_free(update);
  92 }
  93
  94 static int unique = 0x0ffff + 1;
  95
  96 static void
  97 set_cmd(QXLCommandExt *ext, uint32_t type, QXLPHYSICAL data)
  98 {
  99     ext->cmd.type = type;
 100     ext->cmd.data = data;
 101     ext->cmd.padding = 0;
 102     ext->group_id = MEM_SLOT_GROUP_ID;
 103     ext->flags = 0;
 104 }
 105
 106 static void
 107 simple_set_release_info(QXLReleaseInfo *info, intptr_t ptr)
 108 {
 109     info->id = ptr;
 110     //info->group_id = MEM_SLOT_GROUP_ID;
 111 }
 112
 113 /* Note: push_command/get_command are called from different threads */
 114
 115 static void
 116 push_command(SpiceScreen *spice_screen, QXLCommandExt *ext)
 117 {
 118     int need_wakeup = 1;
 119
 120     g_mutex_lock(spice_screen->command_mutex);
 121
 122     while (spice_screen->commands_end - spice_screen->commands_start >= COMMANDS_SIZE) {
 123         g_cond_wait(spice_screen->command_cond, spice_screen->command_mutex);
 124     }
 125
 126     g_assert(spice_screen->commands_end - spice_screen->commands_start < COMMANDS_SIZE);
 127
 128     if ((spice_screen->commands_end - spice_screen->commands_start) > 0) {
 129         need_wakeup = 0;
 130     }
 131
 132     spice_screen->commands[spice_screen->commands_end % COMMANDS_SIZE] = ext;
 133     spice_screen->commands_end++;
 134
 135     if (need_wakeup) {
 136         spice_screen->qxl_worker->wakeup(spice_screen->qxl_worker);
 137     }
 138
 139     g_mutex_unlock(spice_screen->command_mutex);
 140
 141 }
 142
 143 /* bitmap are freed, so they must be allocated with g_malloc */
 144 static SimpleSpiceUpdate *
 145 spice_screen_update_from_bitmap_cmd(uint32_t surface_id, QXLRect bbox, uint8_t *bitmap, int cache_id)
 146 {
 147     SimpleSpiceUpdate *update;
 148     QXLDrawable *drawable;
 149     QXLImage *image;
 150     uint32_t bw, bh;
 151
 152     bh = bbox.bottom - bbox.top;
 153     bw = bbox.right - bbox.left;
 154
 155     update   = g_new0(SimpleSpiceUpdate, 1);
 156     update->bitmap = bitmap;
 157     drawable = &update->drawable;
 158     image    = &update->image;
 159
 160     drawable->surface_id      = surface_id;
 161
 162     drawable->bbox            = bbox;
 163     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 164     drawable->effect          = QXL_EFFECT_OPAQUE;
 165     simple_set_release_info(&drawable->release_info, (intptr_t)update);
 166     drawable->type            = QXL_DRAW_COPY;
 167     drawable->surfaces_dest[0] = -1;
 168     drawable->surfaces_dest[1] = -1;
 169     drawable->surfaces_dest[2] = -1;
 170
 171     drawable->u.copy.rop_descriptor  = SPICE_ROPD_OP_PUT;
 172     drawable->u.copy.src_bitmap      = (intptr_t)image;
 173     drawable->u.copy.src_area.right  = bw;
 174     drawable->u.copy.src_area.bottom = bh;
 175
 176     if (cache_id) {
 177         QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, cache_id);
 178         image->descriptor.flags = SPICE_IMAGE_FLAGS_CACHE_ME;
 179         update->cache_id = cache_id;
 180     } else {
 181         QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ++unique);
 182     }
 183     image->descriptor.type   = SPICE_IMAGE_TYPE_BITMAP;
 184     image->bitmap.flags      = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN;
 185     image->bitmap.stride     = bw * 4;
 186     image->descriptor.width  = image->bitmap.x = bw;
 187     image->descriptor.height = image->bitmap.y = bh;
 188     image->bitmap.data = (intptr_t)bitmap;
 189     image->bitmap.palette = 0;
 190     image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
 191
 192     set_cmd(&update->ext, QXL_CMD_DRAW, (intptr_t)drawable);
 193
 194     return update;
 195 }
 196
 197 static SimpleSpiceUpdate *
 198 spice_screen_draw_char_cmd(SpiceScreen *spice_screen, int x, int y, int c,
 199                            int fg, int bg, gboolean uline)
 200 {
 201     int top, left;
 202     uint8_t *dst;
 203     uint8_t *bitmap = NULL;
 204     int bw, bh;
 205     int i, j;
 206     QXLRect bbox;
 207     int cache_id = 0;
 208     CachedImage *ce;
 209
 210     if (!uline && c < 256) {
 211         cache_id = ((fg << 12) | (bg << 8) | (c & 255)) & 0x0ffff;
 212         if ((ce = (CachedImage *)g_hash_table_lookup(spice_screen->image_cache, &cache_id))) {
 213             bitmap = ce->bitmap;
 214         }
 215     }
 216
 217     left = x*8;
 218     top = y*16;
 219
 220     bw       = 8;
 221     bh       = 16;
 222
 223     if (!bitmap) {
 224         bitmap = dst = g_malloc(bw * bh * 4);
 225
 226         unsigned char *data = vt_font_data + c*16;
 227         unsigned char d = *data;
 228
 229         g_assert(fg >= 0 && fg < 16);
 230         g_assert(bg >= 0 && bg < 16);
 231
 232         unsigned char fgc_red = default_red[fg];
 233         unsigned char fgc_blue = default_blu[fg];
 234         unsigned char fgc_green = default_grn[fg];
 235         unsigned char bgc_red = default_red[bg];
 236         unsigned char bgc_blue = default_blu[bg];
 237         unsigned char bgc_green = default_grn[bg];
 238
 239         for (j = 0; j < 16; j++) {
 240             gboolean ul = (j == 14) && uline;
 241             for (i = 0; i < 8; i++) {
 242                 if (i == 0) {
 243                     d=*data;
 244                     data++;
 245                 }
 246                 if (ul || d&0x80) {
 247                     *(dst) = fgc_blue;
 248                     *(dst+1) = fgc_green;
 249                     *(dst+2) = fgc_red;
 250                     *(dst+3) = 0;
 251                 } else {
 252                     *(dst) = bgc_blue;
 253                     *(dst+1) = bgc_green;
 254                     *(dst+2) = bgc_red;
 255                     *(dst+3) = 0;
 256                 }
 257                 d<<=1;
 258                 dst += 4;
 259             }
 260         }
 261         ce = g_new(CachedImage, 1);
 262         ce->cache_id = cache_id;
 263         ce->bitmap = bitmap;
 264         g_hash_table_insert(spice_screen->image_cache, &ce->cache_id, ce);
 265     }
 266
 267     bbox.left = left; bbox.top = top;
 268     bbox.right = left + bw; bbox.bottom = top + bh;
 269
 270     return spice_screen_update_from_bitmap_cmd(0, bbox, bitmap, cache_id);
 271 }
 272
 273 void
 274 spice_screen_scroll(SpiceScreen *spice_screen, int x1, int y1,
 275                     int x2, int y2, int src_x, int src_y)
 276 {
 277     SimpleSpiceUpdate *update;
 278     QXLDrawable *drawable;
 279     QXLRect bbox;
 280
 281     int surface_id = 0;
 282
 283     update   = g_new0(SimpleSpiceUpdate, 1);
 284     drawable = &update->drawable;
 285
 286     bbox.left = x1;
 287     bbox.top = y1;
 288     bbox.right = x2;
 289     bbox.bottom = y2;
 290
 291     drawable->surface_id = surface_id;
 292
 293     drawable->bbox            = bbox;
 294     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 295     drawable->effect          = QXL_EFFECT_OPAQUE;
 296     simple_set_release_info(&drawable->release_info, (intptr_t)update);
 297     drawable->type            = QXL_COPY_BITS;
 298     drawable->surfaces_dest[0] = -1;
 299     drawable->surfaces_dest[1] = -1;
 300     drawable->surfaces_dest[2] = -1;
 301
 302     drawable->u.copy_bits.src_pos.x = src_x;
 303     drawable->u.copy_bits.src_pos.y = src_y;
 304
 305     set_cmd(&update->ext, QXL_CMD_DRAW, (intptr_t)drawable);
 306
 307     push_command(spice_screen, &update->ext);
 308 }
 309
 310 void
 311 spice_screen_clear(SpiceScreen *spice_screen, int x1, int y1, int x2, int y2)
 312 {
 313     SimpleSpiceUpdate *update;
 314     QXLDrawable *drawable;
 315     QXLRect bbox;
 316
 317     int surface_id = 0;
 318
 319     update   = g_new0(SimpleSpiceUpdate, 1);
 320     drawable = &update->drawable;
 321
 322     bbox.left = x1;
 323     bbox.top = y1;
 324     bbox.right = x2;
 325     bbox.bottom = y2;
 326
 327     drawable->surface_id = surface_id;
 328
 329     drawable->bbox            = bbox;
 330     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 331     drawable->effect          = QXL_EFFECT_OPAQUE;
 332     simple_set_release_info(&drawable->release_info, (intptr_t)update);
 333     drawable->type            = QXL_DRAW_BLACKNESS;
 334     drawable->surfaces_dest[0] = -1;
 335     drawable->surfaces_dest[1] = -1;
 336     drawable->surfaces_dest[2] = -1;
 337
 338     set_cmd(&update->ext, QXL_CMD_DRAW, (intptr_t)drawable);
 339
 340     push_command(spice_screen, &update->ext);
 341 }
 342
 343 static void
 344 create_primary_surface(SpiceScreen *spice_screen, uint32_t width,
 345                        uint32_t height)
 346 {
 347     QXLWorker *qxl_worker = spice_screen->qxl_worker;
 348     QXLDevSurfaceCreate surface = { 0, };
 349
 350     g_assert(height > 0);
 351     g_assert(width > 0);
 352
 353     if (height > MAX_HEIGHT)
 354         height = MAX_HEIGHT;
 355
 356     if (width > MAX_WIDTH)
 357         width = MAX_WIDTH;
 358
 359     surface.format     = SPICE_SURFACE_FMT_32_xRGB;
 360     surface.width      = spice_screen->primary_width = width;
 361     surface.height     = spice_screen->primary_height = height;
 362     surface.stride     = -width * 4; /* negative? */
 363     surface.mouse_mode = TRUE; /* unused by red_worker */
 364     surface.flags      = 0;
 365     surface.type       = 0;    /* unused by red_worker */
 366     surface.position   = 0;    /* unused by red_worker */
 367     surface.mem        = (uint64_t)&spice_screen->primary_surface;
 368     surface.group_id   = MEM_SLOT_GROUP_ID;
 369
 370     spice_screen->width = width;
 371     spice_screen->height = height;
 372
 373     qxl_worker->create_primary_surface(qxl_worker, 0, &surface);
 374 }
 375
 376 void
 377 spice_screen_resize(SpiceScreen *spice_screen, uint32_t width,
 378                     uint32_t height)
 379 {
 380     QXLWorker *qxl_worker = spice_screen->qxl_worker;
 381
 382     if (spice_screen->width == width && spice_screen->height == height) {
 383         return;
 384     }
 385
 386     qxl_worker->destroy_primary_surface(qxl_worker, 0);
 387
 388     create_primary_surface(spice_screen, width, height);
 389
 390     spice_screen_clear(spice_screen, 0, 0, width, height);
 391 }
 392
 393
 394 QXLDevMemSlot slot = {
 395     .slot_group_id = MEM_SLOT_GROUP_ID,
 396     .slot_id = 0,
 397     .generation = 0,
 398     .virt_start = 0,
 399     .virt_end = ~0,
 400     .addr_delta = 0,
 401     .qxl_ram_size = ~0,
 402 };
 403
 404 static void
 405 attache_worker(QXLInstance *qin, QXLWorker *_qxl_worker)
 406 {
 407     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 408
 409     if (spice_screen->qxl_worker) {
 410         g_assert_not_reached();
 411     }
 412
 413     spice_screen->qxl_worker = _qxl_worker;
 414     spice_screen->qxl_worker->add_memslot(spice_screen->qxl_worker, &slot);
 415     create_primary_surface(spice_screen, spice_screen->width, spice_screen->height);
 416     spice_screen->qxl_worker->start(spice_screen->qxl_worker);
 417 }
 418
 419 static void
 420 set_compression_level(QXLInstance *qin, int level)
 421 {
 422     /* not used */
 423 }
 424
 425 static void
 426 set_mm_time(QXLInstance *qin, uint32_t mm_time)
 427 {
 428     /* not used */
 429 }
 430
 431 static void
 432 get_init_info(QXLInstance *qin, QXLDevInitInfo *info)
 433 {
 434     memset(info, 0, sizeof(*info));
 435     info->num_memslots = 1;
 436     info->num_memslots_groups = 1;
 437     info->memslot_id_bits = 1;
 438     info->memslot_gen_bits = 1;
 439     info->n_surfaces = 1;
 440 }
 441
 442 /* called from spice_server thread (i.e. red_worker thread) */
 443 static int
 444 get_command(QXLInstance *qin, struct QXLCommandExt *ext)
 445 {
 446     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 447     int res = FALSE;
 448
 449     g_mutex_lock(spice_screen->command_mutex);
 450
 451     if ((spice_screen->commands_end - spice_screen->commands_start) == 0) {
 452         res = FALSE;
 453         goto ret;
 454     }
 455
 456     *ext = *spice_screen->commands[spice_screen->commands_start % COMMANDS_SIZE];
 457     g_assert(spice_screen->commands_start < spice_screen->commands_end);
 458     spice_screen->commands_start++;
 459     g_cond_signal(spice_screen->command_cond);
 460
 461     res = TRUE;
 462
 463 ret:
 464     g_mutex_unlock(spice_screen->command_mutex);
 465     return res;
 466 }
 467
 468 static int
 469 req_cmd_notification(QXLInstance *qin)
 470 {
 471     //SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 472     //spice_screen->core->timer_start(spice_screen->wakeup_timer, spice_screen->wakeup_ms);
 473
 474     return TRUE;
 475 }
 476
 477 static void
 478 release_resource(QXLInstance *qin, struct QXLReleaseInfoExt release_info)
 479 {
 480     QXLCommandExt *ext = (QXLCommandExt*)(unsigned long)release_info.info->id;
 481
 482     g_assert(release_info.group_id == MEM_SLOT_GROUP_ID);
 483     switch (ext->cmd.type) {
 484         case QXL_CMD_DRAW:
 485             spice_screen_destroy_update((void*)ext);
 486             break;
 487         case QXL_CMD_SURFACE:
 488             free(ext);
 489             break;
 490         case QXL_CMD_CURSOR: {
 491             QXLCursorCmd *cmd = (QXLCursorCmd *)(unsigned long)ext->cmd.data;
 492             if (cmd->type == QXL_CURSOR_SET) {
 493                 free(cmd);
 494             }
 495             free(ext);
 496             break;
 497         }
 498         default:
 499             abort();
 500     }
 501 }
 502
 503 #define CURSOR_WIDTH 8
 504 #define CURSOR_HEIGHT 16
 505
 506 static struct {
 507     QXLCursor cursor;
 508     uint8_t data[CURSOR_WIDTH * CURSOR_HEIGHT * 4]; // 32bit per pixel
 509 } cursor;
 510
 511 static void
 512 cursor_init()
 513 {
 514     cursor.cursor.header.unique = 0;
 515     cursor.cursor.header.type = SPICE_CURSOR_TYPE_COLOR32;
 516     cursor.cursor.header.width = CURSOR_WIDTH;
 517     cursor.cursor.header.height = CURSOR_HEIGHT;
 518     cursor.cursor.header.hot_spot_x = 0;
 519     cursor.cursor.header.hot_spot_y = 0;
 520     cursor.cursor.data_size = CURSOR_WIDTH * CURSOR_HEIGHT * 4;
 521
 522     // X drivers addes it to the cursor size because it could be
 523     // cursor data information or another cursor related stuffs.
 524     // Otherwise, the code will break in client/cursor.cpp side,
 525     // that expect the data_size plus cursor information.
 526     // Blame cursor protocol for this. :-)
 527     cursor.cursor.data_size += 128;
 528     cursor.cursor.chunk.data_size = cursor.cursor.data_size;
 529     cursor.cursor.chunk.prev_chunk = cursor.cursor.chunk.next_chunk = 0;
 530 }
 531
 532 static int
 533 get_cursor_command(QXLInstance *qin, struct QXLCommandExt *ext)
 534 {
 535     //SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 536     static int set = 1;
 537
 538     QXLCursorCmd *cursor_cmd;
 539     QXLCommandExt *cmd;
 540
 541     if (!set) return FALSE;
 542     set = 0;
 543
 544
 545     cmd = calloc(sizeof(QXLCommandExt), 1);
 546     cursor_cmd = calloc(sizeof(QXLCursorCmd), 1);
 547
 548     cursor_cmd->release_info.id = (unsigned long)cmd;
 549
 550     cursor_cmd->type = QXL_CURSOR_SET;
 551     cursor_cmd->u.set.position.x = 0;
 552     cursor_cmd->u.set.position.y = 0;
 553     cursor_cmd->u.set.visible = TRUE;
 554     cursor_cmd->u.set.shape = (unsigned long)&cursor;
 555     // white rect as cursor
 556     memset(cursor.data, 255, sizeof(cursor.data));
 557
 558     cmd->cmd.data = (unsigned long)cursor_cmd;
 559     cmd->cmd.type = QXL_CMD_CURSOR;
 560     cmd->group_id = MEM_SLOT_GROUP_ID;
 561     cmd->flags = 0;
 562     *ext = *cmd;
 563
 564     return TRUE;
 565 }
 566
 567 static int
 568 req_cursor_notification(QXLInstance *qin)
 569 {
 570     /* not used */
 571
 572     return TRUE;
 573 }
 574
 575 static void
 576 notify_update(QXLInstance *qin, uint32_t update_id)
 577 {
 578     /* not used */
 579 }
 580
 581 static int
 582 flush_resources(QXLInstance *qin)
 583 {
 584     /* not used */
 585
 586     return TRUE;
 587 }
 588
 589 static int
 590 client_monitors_config(QXLInstance *qin, VDAgentMonitorsConfig *monitors_config)
 591 {
 592     /* not used */
 593
 594     return 0;
 595 }
 596
 597 static void
 598 set_client_capabilities(QXLInstance *qin, uint8_t client_present,
 599                         uint8_t caps[58])
 600 {
 601     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 602
 603     DPRINTF(1, "present %d caps %d", client_present, caps[0]);
 604
 605     if (spice_screen->on_client_connected && client_present) {
 606         spice_screen->on_client_connected(spice_screen);
 607     }
 608     if (spice_screen->on_client_disconnected && !client_present) {
 609         spice_screen->on_client_disconnected(spice_screen);
 610     }
 611 }
 612
 613 static int client_count = 0;
 614
 615 static void
 616 client_connected(SpiceScreen *spice_screen)
 617 {
 618     client_count++;
 619
 620     DPRINTF(1, "client_count = %d", client_count);
 621 }
 622
 623 static void
 624 client_disconnected(SpiceScreen *spice_screen)
 625 {
 626     if (client_count > 0) {
 627         client_count--;
 628         DPRINTF(1, "client_count = %d", client_count);
 629         exit(0); // fixme: cleanup?
 630     }
 631 }
 632
 633 static void
 634 do_conn_timeout(void *opaque)
 635 {
 636     // SpiceScreen *spice_screen = opaque;
 637
 638     if (client_count <= 0) {
 639         printf("connection timeout - stopping server\n");
 640         exit (0); // fixme: cleanup?
 641     }
 642 }
 643
 644 QXLInterface display_sif = {
 645     .base = {
 646         .type = SPICE_INTERFACE_QXL,
 647         .description = "spiceterm display server",
 648         .major_version = SPICE_INTERFACE_QXL_MAJOR,
 649         .minor_version = SPICE_INTERFACE_QXL_MINOR
 650     },
 651     .attache_worker = attache_worker,
 652     .set_compression_level = set_compression_level,
 653     .set_mm_time = set_mm_time,
 654     .get_init_info = get_init_info,
 655
 656     /* the callbacks below are called from spice server thread context */
 657     .get_command = get_command,
 658     .req_cmd_notification = req_cmd_notification,
 659     .release_resource = release_resource,
 660     .get_cursor_command = get_cursor_command,
 661     .req_cursor_notification = req_cursor_notification,
 662     .notify_update = notify_update,
 663     .flush_resources = flush_resources,
 664     .client_monitors_config = client_monitors_config,
 665     .set_client_capabilities = set_client_capabilities,
 666 };
 667
 668
 669 void
 670 spice_screen_draw_char(SpiceScreen *spice_screen, int x, int y, gunichar2 ch,
 671                        TextAttributes attrib)
 672 {
 673     int fg, bg;
 674
 675     int invers;
 676     if (attrib.invers) {
 677         invers = attrib.selected ? 0 : 1;
 678     } else {
 679         invers = attrib.selected ? 1 : 0;
 680     }
 681
 682     if (invers) {
 683         bg = attrib.fgcol;
 684         fg = attrib.bgcol;
 685     } else {
 686         bg = attrib.bgcol;
 687         fg = attrib.fgcol;
 688     }
 689
 690     if (attrib.bold) {
 691         fg += 8;
 692     }
 693
 694     // unsuported attributes = (attrib.blink || attrib.unvisible)
 695
 696     int c = vt_fontmap[ch];
 697
 698     SimpleSpiceUpdate *update;
 699     update = spice_screen_draw_char_cmd(spice_screen, x, y, c, fg, bg, attrib.uline);
 700     push_command(spice_screen, &update->ext);
 701 }
 702
 703 SpiceScreen *
 704 spice_screen_new(SpiceCoreInterface *core, uint32_t width, uint32_t height, guint timeout)
 705 {
 706     int port = 5912;
 707     SpiceScreen *spice_screen = g_new0(SpiceScreen, 1);
 708     SpiceServer* server = spice_server_new();
 709
 710     spice_screen->width = width;
 711     spice_screen->height = height;
 712
 713     spice_screen->command_cond = g_cond_new();
 714     spice_screen->command_mutex = g_mutex_new();
 715
 716     spice_screen->on_client_connected = client_connected,
 717     spice_screen->on_client_disconnected = client_disconnected,
 718
 719     spice_screen->qxl_instance.base.sif = &display_sif.base;
 720     spice_screen->qxl_instance.id = 0;
 721
 722     spice_screen->core = core;
 723     spice_screen->server = server;
 724
 725     printf("listening on port %d (unsecure)\n", port);
 726
 727     spice_server_set_port(server, port);
 728     spice_server_set_noauth(server);
 729
 730     int res = spice_server_init(server, core);
 731     if (res != 0) {
 732         g_error("spice_server_init failed, res = %d\n", res);
 733     }
 734
 735     cursor_init();
 736
 737     spice_screen->conn_timeout_timer = core->timer_add(do_conn_timeout, spice_screen);
 738     spice_screen->core->timer_start(spice_screen->conn_timeout_timer, timeout*1000);
 739
 740     spice_server_add_interface(spice_screen->server, &spice_screen->qxl_instance.base);
 741
 742     return spice_screen;
 743 }