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 #define NOTIFY_DISPLAY_BATCH (SINGLE_PART/2)
  59 #define NOTIFY_CURSOR_BATCH 10
  60
  61 /* these colours are from linux kernel drivers/char/vt.c */
  62 /* the default colour table, for VGA+ colour systems */
  63 int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa,
  64     0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff};
  65 int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa,
  66     0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff};
  67 int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa,
  68     0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff};
  69
  70 /* Parts cribbed from spice-display.h/.c/qxl.c */
  71
  72 typedef struct SimpleSpiceUpdate {
  73     QXLCommandExt ext; // needs to be first member
  74     QXLDrawable drawable;
  75     QXLImage image;
  76     uint8_t *bitmap;
  77     int cache_id; // do not free bitmap if cache_id != 0
  78 } SimpleSpiceUpdate;
  79
  80 static void
  81 spice_screen_destroy_update(SimpleSpiceUpdate *update)
  82 {
  83     if (!update) {
  84         return;
  85     }
  86     if (update->drawable.clip.type != SPICE_CLIP_TYPE_NONE) {
  87         uint8_t *ptr = (uint8_t*)update->drawable.clip.data;
  88         free(ptr);
  89     }
  90     if (update->bitmap && !update->cache_id) {
  91         g_free(update->bitmap);
  92     }
  93
  94     g_free(update);
  95 }
  96
  97 static int unique = 0x0ffff + 1;
  98
  99 static void
 100 set_cmd(QXLCommandExt *ext, uint32_t type, QXLPHYSICAL data)
 101 {
 102     ext->cmd.type = type;
 103     ext->cmd.data = data;
 104     ext->cmd.padding = 0;
 105     ext->group_id = MEM_SLOT_GROUP_ID;
 106     ext->flags = 0;
 107 }
 108
 109 static void
 110 simple_set_release_info(QXLReleaseInfo *info, intptr_t ptr)
 111 {
 112     info->id = ptr;
 113     //info->group_id = MEM_SLOT_GROUP_ID;
 114 }
 115
 116 /* Note: push_command/get_command are called from different threads */
 117
 118 static void
 119 push_command(SpiceScreen *spice_screen, QXLCommandExt *ext)
 120 {
 121     int need_wakeup = 1;
 122
 123     g_mutex_lock(spice_screen->command_mutex);
 124
 125     while (spice_screen->commands_end - spice_screen->commands_start >= COMMANDS_SIZE) {
 126         g_cond_wait(spice_screen->command_cond, spice_screen->command_mutex);
 127     }
 128
 129     g_assert(spice_screen->commands_end - spice_screen->commands_start < COMMANDS_SIZE);
 130
 131     if ((spice_screen->commands_end - spice_screen->commands_start) > 0) {
 132         need_wakeup = 0;
 133     }
 134
 135     spice_screen->commands[spice_screen->commands_end % COMMANDS_SIZE] = ext;
 136     spice_screen->commands_end++;
 137
 138     if (need_wakeup) {
 139         spice_screen->qxl_worker->wakeup(spice_screen->qxl_worker);
 140     }
 141
 142     g_mutex_unlock(spice_screen->command_mutex);
 143
 144 }
 145
 146 /* bitmap are freed, so they must be allocated with g_malloc */
 147 static SimpleSpiceUpdate *
 148 spice_screen_update_from_bitmap_cmd(uint32_t surface_id, QXLRect bbox, uint8_t *bitmap, int cache_id)
 149 {
 150     SimpleSpiceUpdate *update;
 151     QXLDrawable *drawable;
 152     QXLImage *image;
 153     uint32_t bw, bh;
 154
 155     bh = bbox.bottom - bbox.top;
 156     bw = bbox.right - bbox.left;
 157
 158     update   = g_new0(SimpleSpiceUpdate, 1);
 159     update->bitmap = bitmap;
 160     drawable = &update->drawable;
 161     image    = &update->image;
 162
 163     drawable->surface_id      = surface_id;
 164
 165     drawable->bbox            = bbox;
 166     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 167     drawable->effect          = QXL_EFFECT_OPAQUE;
 168     simple_set_release_info(&drawable->release_info, (intptr_t)update);
 169     drawable->type            = QXL_DRAW_COPY;
 170     drawable->surfaces_dest[0] = -1;
 171     drawable->surfaces_dest[1] = -1;
 172     drawable->surfaces_dest[2] = -1;
 173
 174     drawable->u.copy.rop_descriptor  = SPICE_ROPD_OP_PUT;
 175     drawable->u.copy.src_bitmap      = (intptr_t)image;
 176     drawable->u.copy.src_area.right  = bw;
 177     drawable->u.copy.src_area.bottom = bh;
 178
 179     if (cache_id) {
 180         QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, cache_id);
 181         image->descriptor.flags = SPICE_IMAGE_FLAGS_CACHE_ME;
 182         update->cache_id = cache_id;
 183     } else {
 184         QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ++unique);
 185     }
 186     image->descriptor.type   = SPICE_IMAGE_TYPE_BITMAP;
 187     image->bitmap.flags      = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN;
 188     image->bitmap.stride     = bw * 4;
 189     image->descriptor.width  = image->bitmap.x = bw;
 190     image->descriptor.height = image->bitmap.y = bh;
 191     image->bitmap.data = (intptr_t)bitmap;
 192     image->bitmap.palette = 0;
 193     image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
 194
 195     set_cmd(&update->ext, QXL_CMD_DRAW, (intptr_t)drawable);
 196
 197     return update;
 198 }
 199
 200 static SimpleSpiceUpdate *
 201 spice_screen_draw_char_cmd(SpiceScreen *spice_screen, int x, int y, int c,
 202                            int fg, int bg, gboolean uline)
 203 {
 204     int top, left;
 205     uint8_t *dst;
 206     uint8_t *bitmap = NULL;
 207     int bw, bh;
 208     int i, j;
 209     QXLRect bbox;
 210     int cache_id = 0;
 211     CachedImage *ce;
 212
 213     if (!uline && c < 256) {
 214         cache_id = ((fg << 12) | (bg << 8) | (c & 255)) & 0x0ffff;
 215         if ((ce = (CachedImage *)g_hash_table_lookup(spice_screen->image_cache, &cache_id))) {
 216             bitmap = ce->bitmap;
 217         }
 218     }
 219
 220     left = x*8;
 221     top = y*16;
 222
 223     bw       = 8;
 224     bh       = 16;
 225
 226     if (!bitmap) {
 227         bitmap = dst = g_malloc(bw * bh * 4);
 228
 229         unsigned char *data = vt_font_data + c*16;
 230         unsigned char d = *data;
 231
 232         g_assert(fg >= 0 && fg < 16);
 233         g_assert(bg >= 0 && bg < 16);
 234
 235         unsigned char fgc_red = default_red[fg];
 236         unsigned char fgc_blue = default_blu[fg];
 237         unsigned char fgc_green = default_grn[fg];
 238         unsigned char bgc_red = default_red[bg];
 239         unsigned char bgc_blue = default_blu[bg];
 240         unsigned char bgc_green = default_grn[bg];
 241
 242         for (j = 0; j < 16; j++) {
 243             gboolean ul = (j == 14) && uline;
 244             for (i = 0; i < 8; i++) {
 245                 if (i == 0) {
 246                     d=*data;
 247                     data++;
 248                 }
 249                 if (ul || d&0x80) {
 250                     *(dst) = fgc_blue;
 251                     *(dst+1) = fgc_green;
 252                     *(dst+2) = fgc_red;
 253                     *(dst+3) = 0;
 254                 } else {
 255                     *(dst) = bgc_blue;
 256                     *(dst+1) = bgc_green;
 257                     *(dst+2) = bgc_red;
 258                     *(dst+3) = 0;
 259                 }
 260                 d<<=1;
 261                 dst += 4;
 262             }
 263         }
 264         ce = g_new(CachedImage, 1);
 265         ce->cache_id = cache_id;
 266         ce->bitmap = bitmap;
 267         g_hash_table_insert(spice_screen->image_cache, &ce->cache_id, ce);
 268     }
 269
 270     bbox.left = left; bbox.top = top;
 271     bbox.right = left + bw; bbox.bottom = top + bh;
 272
 273     return spice_screen_update_from_bitmap_cmd(0, bbox, bitmap, cache_id);
 274 }
 275
 276 void
 277 spice_screen_scroll(SpiceScreen *spice_screen, int x1, int y1,
 278                     int x2, int y2, int src_x, int src_y)
 279 {
 280     SimpleSpiceUpdate *update;
 281     QXLDrawable *drawable;
 282     QXLRect bbox;
 283
 284     int surface_id = 0;
 285
 286     update   = g_new0(SimpleSpiceUpdate, 1);
 287     drawable = &update->drawable;
 288
 289     bbox.left = x1;
 290     bbox.top = y1;
 291     bbox.right = x2;
 292     bbox.bottom = y2;
 293
 294     drawable->surface_id = surface_id;
 295
 296     drawable->bbox            = bbox;
 297     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 298     drawable->effect          = QXL_EFFECT_OPAQUE;
 299     simple_set_release_info(&drawable->release_info, (intptr_t)update);
 300     drawable->type            = QXL_COPY_BITS;
 301     drawable->surfaces_dest[0] = -1;
 302     drawable->surfaces_dest[1] = -1;
 303     drawable->surfaces_dest[2] = -1;
 304
 305     drawable->u.copy_bits.src_pos.x = src_x;
 306     drawable->u.copy_bits.src_pos.y = src_y;
 307
 308     set_cmd(&update->ext, QXL_CMD_DRAW, (intptr_t)drawable);
 309
 310     push_command(spice_screen, &update->ext);
 311 }
 312
 313 void
 314 spice_screen_clear(SpiceScreen *spice_screen, int x1, int y1, int x2, int y2)
 315 {
 316     SimpleSpiceUpdate *update;
 317     QXLDrawable *drawable;
 318     QXLRect bbox;
 319
 320     int surface_id = 0;
 321
 322     update   = g_new0(SimpleSpiceUpdate, 1);
 323     drawable = &update->drawable;
 324
 325     bbox.left = x1;
 326     bbox.top = y1;
 327     bbox.right = x2;
 328     bbox.bottom = y2;
 329
 330     drawable->surface_id = surface_id;
 331
 332     drawable->bbox            = bbox;
 333     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 334     drawable->effect          = QXL_EFFECT_OPAQUE;
 335     simple_set_release_info(&drawable->release_info, (intptr_t)update);
 336     drawable->type            = QXL_DRAW_BLACKNESS;
 337     drawable->surfaces_dest[0] = -1;
 338     drawable->surfaces_dest[1] = -1;
 339     drawable->surfaces_dest[2] = -1;
 340
 341     set_cmd(&update->ext, QXL_CMD_DRAW, (intptr_t)drawable);
 342
 343     push_command(spice_screen, &update->ext);
 344 }
 345
 346 static void
 347 create_primary_surface(SpiceScreen *spice_screen, uint32_t width,
 348                        uint32_t height)
 349 {
 350     QXLWorker *qxl_worker = spice_screen->qxl_worker;
 351     QXLDevSurfaceCreate surface = { 0, };
 352
 353     g_assert(height <= MAX_HEIGHT);
 354     g_assert(width <= MAX_WIDTH);
 355     g_assert(height > 0);
 356     g_assert(width > 0);
 357
 358     surface.format     = SPICE_SURFACE_FMT_32_xRGB;
 359     surface.width      = spice_screen->primary_width = width;
 360     surface.height     = spice_screen->primary_height = height;
 361     surface.stride     = -width * 4; /* negative? */
 362     surface.mouse_mode = TRUE; /* unused by red_worker */
 363     surface.flags      = 0;
 364     surface.type       = 0;    /* unused by red_worker */
 365     surface.position   = 0;    /* unused by red_worker */
 366     surface.mem        = (uint64_t)&spice_screen->primary_surface;
 367     surface.group_id   = MEM_SLOT_GROUP_ID;
 368
 369     spice_screen->width = width;
 370     spice_screen->height = height;
 371
 372     qxl_worker->create_primary_surface(qxl_worker, 0, &surface);
 373 }
 374
 375 void
 376 spice_screen_resize(SpiceScreen *spice_screen, uint32_t width,
 377                     uint32_t height)
 378 {
 379     QXLWorker *qxl_worker = spice_screen->qxl_worker;
 380
 381     if (spice_screen->width == width && spice_screen->height == height) {
 382         return;
 383     }
 384
 385     qxl_worker->destroy_primary_surface(qxl_worker, 0);
 386
 387     create_primary_surface(spice_screen, width, height);
 388 }
 389
 390
 391 QXLDevMemSlot slot = {
 392     .slot_group_id = MEM_SLOT_GROUP_ID,
 393     .slot_id = 0,
 394     .generation = 0,
 395     .virt_start = 0,
 396     .virt_end = ~0,
 397     .addr_delta = 0,
 398     .qxl_ram_size = ~0,
 399 };
 400
 401 static void
 402 attache_worker(QXLInstance *qin, QXLWorker *_qxl_worker)
 403 {
 404     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 405
 406     if (spice_screen->qxl_worker) {
 407         g_assert_not_reached();
 408     }
 409
 410     spice_screen->qxl_worker = _qxl_worker;
 411     spice_screen->qxl_worker->add_memslot(spice_screen->qxl_worker, &slot);
 412     create_primary_surface(spice_screen, spice_screen->width, spice_screen->height);
 413     spice_screen->qxl_worker->start(spice_screen->qxl_worker);
 414 }
 415
 416 static void
 417 set_compression_level(QXLInstance *qin, int level)
 418 {
 419     /* not used */
 420 }
 421
 422 static void
 423 set_mm_time(QXLInstance *qin, uint32_t mm_time)
 424 {
 425     /* not used */
 426 }
 427
 428 static void
 429 get_init_info(QXLInstance *qin, QXLDevInitInfo *info)
 430 {
 431     memset(info, 0, sizeof(*info));
 432     info->num_memslots = 1;
 433     info->num_memslots_groups = 1;
 434     info->memslot_id_bits = 1;
 435     info->memslot_gen_bits = 1;
 436     info->n_surfaces = 1;
 437 }
 438
 439 /* called from spice_server thread (i.e. red_worker thread) */
 440 static int
 441 get_command(QXLInstance *qin, struct QXLCommandExt *ext)
 442 {
 443     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 444     int res = FALSE;
 445
 446     g_mutex_lock(spice_screen->command_mutex);
 447
 448     if ((spice_screen->commands_end - spice_screen->commands_start) == 0) {
 449         res = FALSE;
 450         goto ret;
 451     }
 452
 453     *ext = *spice_screen->commands[spice_screen->commands_start % COMMANDS_SIZE];
 454     g_assert(spice_screen->commands_start < spice_screen->commands_end);
 455     spice_screen->commands_start++;
 456     g_cond_signal(spice_screen->command_cond);
 457
 458     res = TRUE;
 459
 460 ret:
 461     g_mutex_unlock(spice_screen->command_mutex);
 462     return res;
 463 }
 464
 465 static int
 466 req_cmd_notification(QXLInstance *qin)
 467 {
 468     //SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 469     //spice_screen->core->timer_start(spice_screen->wakeup_timer, spice_screen->wakeup_ms);
 470
 471     return TRUE;
 472 }
 473
 474 static void
 475 release_resource(QXLInstance *qin, struct QXLReleaseInfoExt release_info)
 476 {
 477     QXLCommandExt *ext = (QXLCommandExt*)(unsigned long)release_info.info->id;
 478
 479     g_assert(release_info.group_id == MEM_SLOT_GROUP_ID);
 480     switch (ext->cmd.type) {
 481         case QXL_CMD_DRAW:
 482             spice_screen_destroy_update((void*)ext);
 483             break;
 484         case QXL_CMD_SURFACE:
 485             free(ext);
 486             break;
 487         case QXL_CMD_CURSOR: {
 488             QXLCursorCmd *cmd = (QXLCursorCmd *)(unsigned long)ext->cmd.data;
 489             if (cmd->type == QXL_CURSOR_SET) {
 490                 free(cmd);
 491             }
 492             free(ext);
 493             break;
 494         }
 495         default:
 496             abort();
 497     }
 498 }
 499
 500 #define CURSOR_WIDTH 8
 501 #define CURSOR_HEIGHT 16
 502
 503 static struct {
 504     QXLCursor cursor;
 505     uint8_t data[CURSOR_WIDTH * CURSOR_HEIGHT * 4]; // 32bit per pixel
 506 } cursor;
 507
 508 static void
 509 cursor_init()
 510 {
 511     cursor.cursor.header.unique = 0;
 512     cursor.cursor.header.type = SPICE_CURSOR_TYPE_COLOR32;
 513     cursor.cursor.header.width = CURSOR_WIDTH;
 514     cursor.cursor.header.height = CURSOR_HEIGHT;
 515     cursor.cursor.header.hot_spot_x = 0;
 516     cursor.cursor.header.hot_spot_y = 0;
 517     cursor.cursor.data_size = CURSOR_WIDTH * CURSOR_HEIGHT * 4;
 518
 519     // X drivers addes it to the cursor size because it could be
 520     // cursor data information or another cursor related stuffs.
 521     // Otherwise, the code will break in client/cursor.cpp side,
 522     // that expect the data_size plus cursor information.
 523     // Blame cursor protocol for this. :-)
 524     cursor.cursor.data_size += 128;
 525     cursor.cursor.chunk.data_size = cursor.cursor.data_size;
 526     cursor.cursor.chunk.prev_chunk = cursor.cursor.chunk.next_chunk = 0;
 527 }
 528
 529 static int
 530 get_cursor_command(QXLInstance *qin, struct QXLCommandExt *ext)
 531 {
 532     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 533     static int set = 1;
 534     static int x = 0, y = 0;
 535     QXLCursorCmd *cursor_cmd;
 536     QXLCommandExt *cmd;
 537
 538     if (!spice_screen->cursor_notify) {
 539         return FALSE;
 540     }
 541
 542     spice_screen->cursor_notify--;
 543     cmd = calloc(sizeof(QXLCommandExt), 1);
 544     cursor_cmd = calloc(sizeof(QXLCursorCmd), 1);
 545
 546     cursor_cmd->release_info.id = (unsigned long)cmd;
 547
 548     if (set) {
 549         cursor_cmd->type = QXL_CURSOR_SET;
 550         cursor_cmd->u.set.position.x = 0;
 551         cursor_cmd->u.set.position.y = 0;
 552         cursor_cmd->u.set.visible = TRUE;
 553         cursor_cmd->u.set.shape = (unsigned long)&cursor;
 554         // white rect as cursor
 555         memset(cursor.data, 255, sizeof(cursor.data));
 556         set = 0;
 557     } else {
 558         cursor_cmd->type = QXL_CURSOR_MOVE;
 559         cursor_cmd->u.position.x = x++ % spice_screen->primary_width;
 560         cursor_cmd->u.position.y = y++ % spice_screen->primary_height;
 561     }
 562
 563     cmd->cmd.data = (unsigned long)cursor_cmd;
 564     cmd->cmd.type = QXL_CMD_CURSOR;
 565     cmd->group_id = MEM_SLOT_GROUP_ID;
 566     cmd->flags    = 0;
 567     *ext = *cmd;
 568
 569     return TRUE;
 570 }
 571
 572 static int
 573 req_cursor_notification(QXLInstance *qin)
 574 {
 575     /* not used */
 576
 577     return TRUE;
 578 }
 579
 580 static void
 581 notify_update(QXLInstance *qin, uint32_t update_id)
 582 {
 583     /* not used */
 584 }
 585
 586 static int
 587 flush_resources(QXLInstance *qin)
 588 {
 589     /* not used */
 590
 591     return TRUE;
 592 }
 593
 594 static int
 595 client_monitors_config(QXLInstance *qin, VDAgentMonitorsConfig *monitors_config)
 596 {
 597     /* not used */
 598
 599     return 0;
 600 }
 601
 602 static void
 603 set_client_capabilities(QXLInstance *qin, uint8_t client_present,
 604                         uint8_t caps[58])
 605 {
 606     SpiceScreen *spice_screen = SPICE_CONTAINEROF(qin, SpiceScreen, qxl_instance);
 607
 608     DPRINTF(1, "present %d caps %d", client_present, caps[0]);
 609
 610     if (spice_screen->on_client_connected && client_present) {
 611         spice_screen->on_client_connected(spice_screen);
 612     }
 613     if (spice_screen->on_client_disconnected && !client_present) {
 614         spice_screen->on_client_disconnected(spice_screen);
 615     }
 616 }
 617
 618 static int client_count = 0;
 619
 620 static void
 621 client_connected(SpiceScreen *spice_screen)
 622 {
 623     client_count++;
 624
 625     DPRINTF(1, "client_count = %d", client_count);
 626 }
 627
 628 static void
 629 client_disconnected(SpiceScreen *spice_screen)
 630 {
 631     if (client_count > 0) {
 632         client_count--;
 633         DPRINTF(1, "client_count = %d", client_count);
 634         exit(0); // fixme: cleanup?
 635     }
 636 }
 637
 638 static void
 639 do_conn_timeout(void *opaque)
 640 {
 641     // SpiceScreen *spice_screen = opaque;
 642
 643     if (client_count <= 0) {
 644         printf("connection timeout - stopping server\n");
 645         exit (0); // fixme: cleanup?
 646     }
 647 }
 648
 649 QXLInterface display_sif = {
 650     .base = {
 651         .type = SPICE_INTERFACE_QXL,
 652         .description = "spiceterm display server",
 653         .major_version = SPICE_INTERFACE_QXL_MAJOR,
 654         .minor_version = SPICE_INTERFACE_QXL_MINOR
 655     },
 656     .attache_worker = attache_worker,
 657     .set_compression_level = set_compression_level,
 658     .set_mm_time = set_mm_time,
 659     .get_init_info = get_init_info,
 660
 661     /* the callbacks below are called from spice server thread context */
 662     .get_command = get_command,
 663     .req_cmd_notification = req_cmd_notification,
 664     .release_resource = release_resource,
 665     .get_cursor_command = get_cursor_command,
 666     .req_cursor_notification = req_cursor_notification,
 667     .notify_update = notify_update,
 668     .flush_resources = flush_resources,
 669     .client_monitors_config = client_monitors_config,
 670     .set_client_capabilities = set_client_capabilities,
 671 };
 672
 673
 674 void
 675 spice_screen_draw_char(SpiceScreen *spice_screen, int x, int y, gunichar2 ch,
 676                        TextAttributes attrib)
 677 {
 678     int fg, bg;
 679
 680     int invers;
 681     if (attrib.invers) {
 682         invers = attrib.selected ? 0 : 1;
 683     } else {
 684         invers = attrib.selected ? 1 : 0;
 685     }
 686
 687     if (invers) {
 688         bg = attrib.fgcol;
 689         fg = attrib.bgcol;
 690     } else {
 691         bg = attrib.bgcol;
 692         fg = attrib.fgcol;
 693     }
 694
 695     if (attrib.bold) {
 696         fg += 8;
 697     }
 698
 699     // unsuported attributes = (attrib.blink || attrib.unvisible)
 700
 701     int c = vt_fontmap[ch];
 702
 703     SimpleSpiceUpdate *update;
 704     update = spice_screen_draw_char_cmd(spice_screen, x, y, c, fg, bg, attrib.uline);
 705     push_command(spice_screen, &update->ext);
 706 }
 707
 708 SpiceScreen *
 709 spice_screen_new(SpiceCoreInterface *core, uint32_t width, uint32_t height, guint timeout)
 710 {
 711     int port = 5912;
 712     SpiceScreen *spice_screen = g_new0(SpiceScreen, 1);
 713     SpiceServer* server = spice_server_new();
 714
 715     spice_screen->width = width;
 716     spice_screen->height = height;
 717
 718     spice_screen->command_cond = g_cond_new();
 719     spice_screen->command_mutex = g_mutex_new();
 720
 721     spice_screen->on_client_connected = client_connected,
 722     spice_screen->on_client_disconnected = client_disconnected,
 723
 724     spice_screen->qxl_instance.base.sif = &display_sif.base;
 725     spice_screen->qxl_instance.id = 0;
 726
 727     spice_screen->core = core;
 728     spice_screen->server = server;
 729
 730     spice_screen->cursor_notify = NOTIFY_CURSOR_BATCH;
 731
 732     printf("listening on port %d (unsecure)\n", port);
 733
 734     spice_server_set_port(server, port);
 735     spice_server_set_noauth(server);
 736
 737     int res = spice_server_init(server, core);
 738     if (res != 0) {
 739         g_error("spice_server_init failed, res = %d\n", res);
 740     }
 741
 742     cursor_init();
 743
 744     spice_screen->conn_timeout_timer = core->timer_add(do_conn_timeout, spice_screen);
 745     spice_screen->core->timer_start(spice_screen->conn_timeout_timer, timeout*1000);
 746
 747     spice_server_add_interface(spice_screen->server, &spice_screen->qxl_instance.base);
 748
 749     return spice_screen;
 750 }