| 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/error-report.h" |
| 21 | #include "qemu/timer.h" |
| 22 | #include "qemu/lockable.h" |
| 23 | #include "qemu/main-loop.h" |
| 24 | #include "qemu/option.h" |
| 25 | #include "qemu/queue.h" |
| 26 | #include "ui/console.h" |
| 27 | #include "trace.h" |
| 28 | |
| 29 | #include "ui/spice-display.h" |
| 30 | |
| 31 | #include "standard-headers/drm/drm_fourcc.h" |
| 32 | |
| 33 | bool spice_opengl; |
| 34 | bool spice_remote_client; |
| 35 | int spice_max_refresh_rate; |
| 36 | |
| 37 | static GPtrArray *spice_displays; |
| 38 | |
| 39 | int qemu_spice_rect_is_empty(const QXLRect* r) |
| 40 | { |
| 41 | return r->top == r->bottom || r->left == r->right; |
| 42 | } |
| 43 | |
| 44 | void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r) |
| 45 | { |
| 46 | if (qemu_spice_rect_is_empty(r)) { |
| 47 | return; |
| 48 | } |
| 49 | |
| 50 | if (qemu_spice_rect_is_empty(dest)) { |
| 51 | *dest = *r; |
| 52 | return; |
| 53 | } |
| 54 | |
| 55 | dest->top = MIN(dest->top, r->top); |
| 56 | dest->left = MIN(dest->left, r->left); |
| 57 | dest->bottom = MAX(dest->bottom, r->bottom); |
| 58 | dest->right = MAX(dest->right, r->right); |
| 59 | } |
| 60 | |
| 61 | QXLCookie *qxl_cookie_new(int type, uint64_t io) |
| 62 | { |
| 63 | QXLCookie *cookie; |
| 64 | |
| 65 | cookie = g_malloc0(sizeof(*cookie)); |
| 66 | cookie->type = type; |
| 67 | cookie->io = io; |
| 68 | return cookie; |
| 69 | } |
| 70 | |
| 71 | void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot, |
| 72 | qxl_async_io async) |
| 73 | { |
| 74 | trace_qemu_spice_add_memslot(ssd->qxl.id, memslot->slot_id, |
| 75 | memslot->virt_start, memslot->virt_end, |
| 76 | async); |
| 77 | |
| 78 | if (async != QXL_SYNC) { |
| 79 | spice_qxl_add_memslot_async(&ssd->qxl, memslot, |
| 80 | (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
| 81 | QXL_IO_MEMSLOT_ADD_ASYNC)); |
| 82 | } else { |
| 83 | spice_qxl_add_memslot(&ssd->qxl, memslot); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid) |
| 88 | { |
| 89 | trace_qemu_spice_del_memslot(ssd->qxl.id, gid, sid); |
| 90 | spice_qxl_del_memslot(&ssd->qxl, gid, sid); |
| 91 | } |
| 92 | |
| 93 | void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id, |
| 94 | QXLDevSurfaceCreate *surface, |
| 95 | qxl_async_io async) |
| 96 | { |
| 97 | trace_qemu_spice_create_primary_surface(ssd->qxl.id, id, surface, async); |
| 98 | if (async != QXL_SYNC) { |
| 99 | spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface, |
| 100 | (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
| 101 | QXL_IO_CREATE_PRIMARY_ASYNC)); |
| 102 | } else { |
| 103 | spice_qxl_create_primary_surface(&ssd->qxl, id, surface); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, |
| 108 | uint32_t id, qxl_async_io async) |
| 109 | { |
| 110 | trace_qemu_spice_destroy_primary_surface(ssd->qxl.id, id, async); |
| 111 | if (async != QXL_SYNC) { |
| 112 | spice_qxl_destroy_primary_surface_async(&ssd->qxl, id, |
| 113 | (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
| 114 | QXL_IO_DESTROY_PRIMARY_ASYNC)); |
| 115 | } else { |
| 116 | spice_qxl_destroy_primary_surface(&ssd->qxl, id); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | void qemu_spice_wakeup(SimpleSpiceDisplay *ssd) |
| 121 | { |
| 122 | trace_qemu_spice_wakeup(ssd->qxl.id); |
| 123 | spice_qxl_wakeup(&ssd->qxl); |
| 124 | } |
| 125 | |
| 126 | static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd, |
| 127 | QXLRect *rect) |
| 128 | { |
| 129 | SimpleSpiceUpdate *update; |
| 130 | QXLDrawable *drawable; |
| 131 | QXLImage *image; |
| 132 | QXLCommand *cmd; |
| 133 | int bw, bh; |
| 134 | struct timespec time_space; |
| 135 | pixman_image_t *dest; |
| 136 | |
| 137 | trace_qemu_spice_create_update( |
| 138 | rect->left, rect->right, |
| 139 | rect->top, rect->bottom); |
| 140 | |
| 141 | update = g_malloc0(sizeof(*update)); |
| 142 | drawable = &update->drawable; |
| 143 | image = &update->image; |
| 144 | cmd = &update->ext.cmd; |
| 145 | |
| 146 | bw = rect->right - rect->left; |
| 147 | bh = rect->bottom - rect->top; |
| 148 | update->bitmap = g_malloc(bw * bh * 4); |
| 149 | |
| 150 | drawable->bbox = *rect; |
| 151 | drawable->clip.type = SPICE_CLIP_TYPE_NONE; |
| 152 | drawable->effect = QXL_EFFECT_OPAQUE; |
| 153 | drawable->release_info.id = (uintptr_t)(&update->ext); |
| 154 | drawable->type = QXL_DRAW_COPY; |
| 155 | drawable->surfaces_dest[0] = -1; |
| 156 | drawable->surfaces_dest[1] = -1; |
| 157 | drawable->surfaces_dest[2] = -1; |
| 158 | clock_gettime(CLOCK_MONOTONIC, &time_space); |
| 159 | /* time in milliseconds from epoch. */ |
| 160 | drawable->mm_time = time_space.tv_sec * 1000 |
| 161 | + time_space.tv_nsec / 1000 / 1000; |
| 162 | |
| 163 | drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT; |
| 164 | drawable->u.copy.src_bitmap = (uintptr_t)image; |
| 165 | drawable->u.copy.src_area.right = bw; |
| 166 | drawable->u.copy.src_area.bottom = bh; |
| 167 | |
| 168 | QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++); |
| 169 | image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP; |
| 170 | image->bitmap.flags = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN; |
| 171 | image->bitmap.stride = bw * 4; |
| 172 | image->descriptor.width = image->bitmap.x = bw; |
| 173 | image->descriptor.height = image->bitmap.y = bh; |
| 174 | image->bitmap.data = (uintptr_t)(update->bitmap); |
| 175 | image->bitmap.palette = 0; |
| 176 | image->bitmap.format = SPICE_BITMAP_FMT_32BIT; |
| 177 | |
| 178 | dest = pixman_image_create_bits(PIXMAN_LE_x8r8g8b8, bw, bh, |
| 179 | (void *)update->bitmap, bw * 4); |
| 180 | pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror, |
| 181 | rect->left, rect->top, 0, 0, |
| 182 | rect->left, rect->top, bw, bh); |
| 183 | pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest, |
| 184 | rect->left, rect->top, 0, 0, |
| 185 | 0, 0, bw, bh); |
| 186 | pixman_image_unref(dest); |
| 187 | |
| 188 | cmd->type = QXL_CMD_DRAW; |
| 189 | cmd->data = (uintptr_t)drawable; |
| 190 | |
| 191 | QTAILQ_INSERT_TAIL(&ssd->updates, update, next); |
| 192 | } |
| 193 | |
| 194 | static void qemu_spice_create_update(SimpleSpiceDisplay *ssd) |
| 195 | { |
| 196 | static const int blksize = 32; |
| 197 | int blocks = DIV_ROUND_UP(surface_width(ssd->ds), blksize); |
| 198 | g_autofree int *dirty_top = NULL; |
| 199 | int y, yoff1, yoff2, x, xoff, blk, bw; |
| 200 | int bpp = surface_bytes_per_pixel(ssd->ds); |
| 201 | uint8_t *guest, *mirror; |
| 202 | |
| 203 | if (qemu_spice_rect_is_empty(&ssd->dirty)) { |
| 204 | return; |
| 205 | }; |
| 206 | |
| 207 | dirty_top = g_new(int, blocks); |
| 208 | for (blk = 0; blk < blocks; blk++) { |
| 209 | dirty_top[blk] = -1; |
| 210 | } |
| 211 | |
| 212 | guest = surface_data(ssd->ds); |
| 213 | mirror = (void *)pixman_image_get_data(ssd->mirror); |
| 214 | for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) { |
| 215 | yoff1 = y * surface_stride(ssd->ds); |
| 216 | yoff2 = y * pixman_image_get_stride(ssd->mirror); |
| 217 | for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) { |
| 218 | xoff = x * bpp; |
| 219 | blk = x / blksize; |
| 220 | bw = MIN(blksize, ssd->dirty.right - x); |
| 221 | if (memcmp(guest + yoff1 + xoff, |
| 222 | mirror + yoff2 + xoff, |
| 223 | bw * bpp) == 0) { |
| 224 | if (dirty_top[blk] != -1) { |
| 225 | QXLRect update = { |
| 226 | .top = dirty_top[blk], |
| 227 | .bottom = y, |
| 228 | .left = x, |
| 229 | .right = x + bw, |
| 230 | }; |
| 231 | qemu_spice_create_one_update(ssd, &update); |
| 232 | dirty_top[blk] = -1; |
| 233 | } |
| 234 | } else { |
| 235 | if (dirty_top[blk] == -1) { |
| 236 | dirty_top[blk] = y; |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) { |
| 243 | blk = x / blksize; |
| 244 | bw = MIN(blksize, ssd->dirty.right - x); |
| 245 | if (dirty_top[blk] != -1) { |
| 246 | QXLRect update = { |
| 247 | .top = dirty_top[blk], |
| 248 | .bottom = ssd->dirty.bottom, |
| 249 | .left = x, |
| 250 | .right = x + bw, |
| 251 | }; |
| 252 | qemu_spice_create_one_update(ssd, &update); |
| 253 | dirty_top[blk] = -1; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
| 258 | } |
| 259 | |
| 260 | static SimpleSpiceCursor* |
| 261 | qemu_spice_create_cursor_update(SimpleSpiceDisplay *ssd, |
| 262 | QEMUCursor *c, |
| 263 | bool on) |
| 264 | { |
| 265 | size_t size = c ? c->width * c->height * 4 : 0; |
| 266 | SimpleSpiceCursor *update; |
| 267 | QXLCursorCmd *ccmd; |
| 268 | QXLCursor *cursor; |
| 269 | QXLCommand *cmd; |
| 270 | |
| 271 | update = g_malloc0(sizeof(*update) + size); |
| 272 | ccmd = &update->cmd; |
| 273 | cursor = &update->cursor; |
| 274 | cmd = &update->ext.cmd; |
| 275 | |
| 276 | if (c) { |
| 277 | ccmd->type = QXL_CURSOR_SET; |
| 278 | ccmd->u.set.position.x = ssd->ptr_x + ssd->hot_x; |
| 279 | ccmd->u.set.position.y = ssd->ptr_y + ssd->hot_y; |
| 280 | ccmd->u.set.visible = true; |
| 281 | ccmd->u.set.shape = (uintptr_t)cursor; |
| 282 | cursor->header.unique = ssd->unique++; |
| 283 | cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; |
| 284 | cursor->header.width = c->width; |
| 285 | cursor->header.height = c->height; |
| 286 | cursor->header.hot_spot_x = c->hot_x; |
| 287 | cursor->header.hot_spot_y = c->hot_y; |
| 288 | cursor->data_size = size; |
| 289 | cursor->chunk.data_size = size; |
| 290 | memcpy(cursor->chunk.data, c->data, size); |
| 291 | } else if (!on) { |
| 292 | ccmd->type = QXL_CURSOR_HIDE; |
| 293 | } else { |
| 294 | ccmd->type = QXL_CURSOR_MOVE; |
| 295 | ccmd->u.position.x = ssd->ptr_x + ssd->hot_x; |
| 296 | ccmd->u.position.y = ssd->ptr_y + ssd->hot_y; |
| 297 | } |
| 298 | ccmd->release_info.id = (uintptr_t)(&update->ext); |
| 299 | |
| 300 | cmd->type = QXL_CMD_CURSOR; |
| 301 | cmd->data = (uintptr_t)ccmd; |
| 302 | |
| 303 | return update; |
| 304 | } |
| 305 | |
| 306 | /* |
| 307 | * Called from spice server thread context (via interface_release_resource) |
| 308 | * We do *not* hold the global qemu mutex here, so extra care is needed |
| 309 | * when calling qemu functions. QEMU interfaces used: |
| 310 | * - g_free (underlying glibc free is re-entrant). |
| 311 | */ |
| 312 | void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update) |
| 313 | { |
| 314 | g_free(update->bitmap); |
| 315 | g_free(update); |
| 316 | } |
| 317 | |
| 318 | void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd) |
| 319 | { |
| 320 | QXLDevMemSlot memslot; |
| 321 | |
| 322 | memset(&memslot, 0, sizeof(memslot)); |
| 323 | memslot.slot_group_id = MEMSLOT_GROUP_HOST; |
| 324 | memslot.virt_end = ~0; |
| 325 | qemu_spice_add_memslot(ssd, &memslot, QXL_SYNC); |
| 326 | } |
| 327 | |
| 328 | void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd) |
| 329 | { |
| 330 | QXLDevSurfaceCreate surface; |
| 331 | uint64_t surface_size; |
| 332 | |
| 333 | memset(&surface, 0, sizeof(surface)); |
| 334 | |
| 335 | surface_size = (uint64_t) surface_width(ssd->ds) * |
| 336 | surface_height(ssd->ds) * 4; |
| 337 | assert(surface_size > 0); |
| 338 | assert(surface_size < INT_MAX); |
| 339 | if (ssd->bufsize < surface_size) { |
| 340 | ssd->bufsize = surface_size; |
| 341 | g_free(ssd->buf); |
| 342 | ssd->buf = g_malloc(ssd->bufsize); |
| 343 | } |
| 344 | |
| 345 | surface.format = SPICE_SURFACE_FMT_32_xRGB; |
| 346 | surface.width = surface_width(ssd->ds); |
| 347 | surface.height = surface_height(ssd->ds); |
| 348 | surface.stride = -surface.width * 4; |
| 349 | surface.mouse_mode = true; |
| 350 | surface.flags = 0; |
| 351 | surface.type = 0; |
| 352 | surface.mem = (uintptr_t)ssd->buf; |
| 353 | surface.group_id = MEMSLOT_GROUP_HOST; |
| 354 | |
| 355 | qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC); |
| 356 | } |
| 357 | |
| 358 | void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd) |
| 359 | { |
| 360 | qemu_spice_destroy_primary_surface(ssd, 0, QXL_SYNC); |
| 361 | } |
| 362 | |
| 363 | void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd) |
| 364 | { |
| 365 | qemu_mutex_init(&ssd->lock); |
| 366 | QTAILQ_INIT(&ssd->updates); |
| 367 | ssd->mouse_x = -1; |
| 368 | ssd->mouse_y = -1; |
| 369 | if (ssd->num_surfaces == 0) { |
| 370 | ssd->num_surfaces = 1024; |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | /* display listener callbacks */ |
| 375 | |
| 376 | void qemu_spice_display_update(SimpleSpiceDisplay *ssd, |
| 377 | int x, int y, int w, int h) |
| 378 | { |
| 379 | QXLRect update_area; |
| 380 | |
| 381 | trace_qemu_spice_display_update(ssd->qxl.id, x, y, w, h); |
| 382 | update_area.left = x, |
| 383 | update_area.right = x + w; |
| 384 | update_area.top = y; |
| 385 | update_area.bottom = y + h; |
| 386 | |
| 387 | if (qemu_spice_rect_is_empty(&ssd->dirty)) { |
| 388 | ssd->notify++; |
| 389 | } |
| 390 | qemu_spice_rect_union(&ssd->dirty, &update_area); |
| 391 | } |
| 392 | |
| 393 | void qemu_spice_display_switch(SimpleSpiceDisplay *ssd, |
| 394 | DisplaySurface *surface) |
| 395 | { |
| 396 | SimpleSpiceUpdate *update; |
| 397 | bool need_destroy; |
| 398 | |
| 399 | if (ssd->surface && |
| 400 | surface_width(surface) == pixman_image_get_width(ssd->surface) && |
| 401 | surface_height(surface) == pixman_image_get_height(ssd->surface) && |
| 402 | surface_format(surface) == pixman_image_get_format(ssd->surface)) { |
| 403 | /* no-resize fast path: just swap backing store */ |
| 404 | trace_qemu_spice_display_surface(ssd->qxl.id, |
| 405 | surface_width(surface), |
| 406 | surface_height(surface), |
| 407 | true); |
| 408 | qemu_mutex_lock(&ssd->lock); |
| 409 | ssd->ds = surface; |
| 410 | pixman_image_unref(ssd->surface); |
| 411 | ssd->surface = pixman_image_ref(ssd->ds->image); |
| 412 | qemu_mutex_unlock(&ssd->lock); |
| 413 | qemu_spice_display_update(ssd, 0, 0, |
| 414 | surface_width(surface), |
| 415 | surface_height(surface)); |
| 416 | return; |
| 417 | } |
| 418 | |
| 419 | /* full mode switch */ |
| 420 | trace_qemu_spice_display_surface(ssd->qxl.id, |
| 421 | surface_width(surface), |
| 422 | surface_height(surface), |
| 423 | false); |
| 424 | |
| 425 | memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
| 426 | if (ssd->surface) { |
| 427 | pixman_image_unref(ssd->surface); |
| 428 | ssd->surface = NULL; |
| 429 | pixman_image_unref(ssd->mirror); |
| 430 | ssd->mirror = NULL; |
| 431 | } |
| 432 | |
| 433 | qemu_mutex_lock(&ssd->lock); |
| 434 | need_destroy = (ssd->ds != NULL); |
| 435 | ssd->ds = surface; |
| 436 | while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) { |
| 437 | QTAILQ_REMOVE(&ssd->updates, update, next); |
| 438 | qemu_spice_destroy_update(ssd, update); |
| 439 | } |
| 440 | qemu_mutex_unlock(&ssd->lock); |
| 441 | if (need_destroy) { |
| 442 | qemu_spice_destroy_host_primary(ssd); |
| 443 | } |
| 444 | if (ssd->ds) { |
| 445 | ssd->surface = pixman_image_ref(ssd->ds->image); |
| 446 | ssd->mirror = qemu_pixman_mirror_create(surface_format(ssd->ds), |
| 447 | ssd->ds->image); |
| 448 | qemu_spice_create_host_primary(ssd); |
| 449 | } |
| 450 | |
| 451 | memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
| 452 | ssd->notify++; |
| 453 | |
| 454 | qemu_mutex_lock(&ssd->lock); |
| 455 | if (ssd->cursor) { |
| 456 | g_free(ssd->ptr_define); |
| 457 | ssd->ptr_define = |
| 458 | qemu_spice_create_cursor_update(ssd, ssd->cursor, false); |
| 459 | } |
| 460 | qemu_mutex_unlock(&ssd->lock); |
| 461 | } |
| 462 | |
| 463 | void qemu_spice_cursor_refresh_bh(void *opaque) |
| 464 | { |
| 465 | SimpleSpiceDisplay *ssd = opaque; |
| 466 | |
| 467 | qemu_mutex_lock(&ssd->lock); |
| 468 | if (ssd->cursor) { |
| 469 | QEMUCursor *c = ssd->cursor; |
| 470 | assert(ssd->dcl.con); |
| 471 | cursor_ref(c); |
| 472 | qemu_mutex_unlock(&ssd->lock); |
| 473 | qemu_console_set_cursor(ssd->dcl.con, c); |
| 474 | qemu_mutex_lock(&ssd->lock); |
| 475 | cursor_unref(c); |
| 476 | } |
| 477 | |
| 478 | if (ssd->mouse_x != -1 && ssd->mouse_y != -1) { |
| 479 | int x, y; |
| 480 | assert(ssd->dcl.con); |
| 481 | x = ssd->mouse_x; |
| 482 | y = ssd->mouse_y; |
| 483 | ssd->mouse_x = -1; |
| 484 | ssd->mouse_y = -1; |
| 485 | qemu_mutex_unlock(&ssd->lock); |
| 486 | qemu_console_set_mouse(ssd->dcl.con, x, y, true); |
| 487 | } else { |
| 488 | qemu_mutex_unlock(&ssd->lock); |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd) |
| 493 | { |
| 494 | qemu_console_hw_update(ssd->dcl.con); |
| 495 | |
| 496 | WITH_QEMU_LOCK_GUARD(&ssd->lock) { |
| 497 | if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) { |
| 498 | qemu_spice_create_update(ssd); |
| 499 | ssd->notify++; |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | trace_qemu_spice_display_refresh(ssd->qxl.id, ssd->notify); |
| 504 | if (ssd->notify) { |
| 505 | ssd->notify = 0; |
| 506 | qemu_spice_wakeup(ssd); |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | /* spice display interface callbacks */ |
| 511 | |
| 512 | static void interface_attached_worker(QXLInstance *sin) |
| 513 | { |
| 514 | /* nothing to do */ |
| 515 | } |
| 516 | |
| 517 | static void interface_set_compression_level(QXLInstance *sin, int level) |
| 518 | { |
| 519 | /* nothing to do */ |
| 520 | } |
| 521 | |
| 522 | static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) |
| 523 | { |
| 524 | SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
| 525 | |
| 526 | info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; |
| 527 | info->memslot_id_bits = MEMSLOT_SLOT_BITS; |
| 528 | info->num_memslots = NUM_MEMSLOTS; |
| 529 | info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; |
| 530 | info->internal_groupslot_id = 0; |
| 531 | info->qxl_ram_size = 16 * 1024 * 1024; |
| 532 | info->n_surfaces = ssd->num_surfaces; |
| 533 | } |
| 534 | |
| 535 | static int interface_get_command(QXLInstance *sin, QXLCommandExt *ext) |
| 536 | { |
| 537 | SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
| 538 | SimpleSpiceUpdate *update; |
| 539 | int ret = false; |
| 540 | |
| 541 | qemu_mutex_lock(&ssd->lock); |
| 542 | update = QTAILQ_FIRST(&ssd->updates); |
| 543 | if (update != NULL) { |
| 544 | QTAILQ_REMOVE(&ssd->updates, update, next); |
| 545 | *ext = update->ext; |
| 546 | ret = true; |
| 547 | } |
| 548 | qemu_mutex_unlock(&ssd->lock); |
| 549 | |
| 550 | return ret; |
| 551 | } |
| 552 | |
| 553 | static int interface_req_cmd_notification(QXLInstance *sin) |
| 554 | { |
| 555 | return 1; |
| 556 | } |
| 557 | |
| 558 | static void interface_release_resource(QXLInstance *sin, |
| 559 | QXLReleaseInfoExt rext) |
| 560 | { |
| 561 | SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
| 562 | SimpleSpiceUpdate *update; |
| 563 | SimpleSpiceCursor *cursor; |
| 564 | QXLCommandExt *ext; |
| 565 | |
| 566 | if (!rext.info) { |
| 567 | return; |
| 568 | } |
| 569 | |
| 570 | ext = (void *)(intptr_t)(rext.info->id); |
| 571 | switch (ext->cmd.type) { |
| 572 | case QXL_CMD_DRAW: |
| 573 | update = container_of(ext, SimpleSpiceUpdate, ext); |
| 574 | qemu_spice_destroy_update(ssd, update); |
| 575 | break; |
| 576 | case QXL_CMD_CURSOR: |
| 577 | cursor = container_of(ext, SimpleSpiceCursor, ext); |
| 578 | g_free(cursor); |
| 579 | break; |
| 580 | default: |
| 581 | g_assert_not_reached(); |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | static int interface_get_cursor_command(QXLInstance *sin, QXLCommandExt *ext) |
| 586 | { |
| 587 | SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
| 588 | int ret; |
| 589 | |
| 590 | QEMU_LOCK_GUARD(&ssd->lock); |
| 591 | if (ssd->ptr_define) { |
| 592 | *ext = ssd->ptr_define->ext; |
| 593 | ssd->ptr_define = NULL; |
| 594 | ret = true; |
| 595 | } else if (ssd->ptr_move) { |
| 596 | *ext = ssd->ptr_move->ext; |
| 597 | ssd->ptr_move = NULL; |
| 598 | ret = true; |
| 599 | } else { |
| 600 | ret = false; |
| 601 | } |
| 602 | return ret; |
| 603 | } |
| 604 | |
| 605 | static int interface_req_cursor_notification(QXLInstance *sin) |
| 606 | { |
| 607 | return 1; |
| 608 | } |
| 609 | |
| 610 | static void interface_notify_update(QXLInstance *sin, uint32_t update_id) |
| 611 | { |
| 612 | fprintf(stderr, "%s: abort()\n", __func__); |
| 613 | abort(); |
| 614 | } |
| 615 | |
| 616 | static int interface_flush_resources(QXLInstance *sin) |
| 617 | { |
| 618 | fprintf(stderr, "%s: abort()\n", __func__); |
| 619 | abort(); |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static void interface_update_area_complete(QXLInstance *sin, |
| 624 | uint32_t surface_id, |
| 625 | QXLRect *dirty, uint32_t num_updated_rects) |
| 626 | { |
| 627 | /* should never be called, used in qxl native mode only */ |
| 628 | fprintf(stderr, "%s: abort()\n", __func__); |
| 629 | abort(); |
| 630 | } |
| 631 | |
| 632 | /* called from spice server thread context only */ |
| 633 | static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) |
| 634 | { |
| 635 | QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; |
| 636 | |
| 637 | switch (cookie->type) { |
| 638 | #ifdef HAVE_SPICE_GL |
| 639 | case QXL_COOKIE_TYPE_GL_DRAW_DONE: |
| 640 | { |
| 641 | SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
| 642 | qemu_bh_schedule(ssd->gl_unblock_bh); |
| 643 | break; |
| 644 | } |
| 645 | case QXL_COOKIE_TYPE_IO: |
| 646 | if (cookie->io == QXL_IO_MONITORS_CONFIG_ASYNC) { |
| 647 | g_free(cookie->u.data); |
| 648 | } |
| 649 | break; |
| 650 | #endif |
| 651 | default: |
| 652 | /* should never be called, used in qxl native mode only */ |
| 653 | fprintf(stderr, "%s: abort()\n", __func__); |
| 654 | abort(); |
| 655 | } |
| 656 | g_free(cookie); |
| 657 | } |
| 658 | |
| 659 | static void interface_set_client_capabilities(QXLInstance *sin, |
| 660 | uint8_t client_present, |
| 661 | uint8_t caps[58]) |
| 662 | { |
| 663 | /* nothing to do */ |
| 664 | } |
| 665 | |
| 666 | static int interface_client_monitors_config(QXLInstance *sin, |
| 667 | VDAgentMonitorsConfig *mc) |
| 668 | { |
| 669 | SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
| 670 | QemuUIInfo info; |
| 671 | int head; |
| 672 | |
| 673 | if (!qemu_console_ui_info_supported(ssd->dcl.con)) { |
| 674 | return 0; /* == not supported by guest */ |
| 675 | } |
| 676 | |
| 677 | if (!mc) { |
| 678 | return 1; |
| 679 | } |
| 680 | |
| 681 | info = *qemu_console_get_ui_info(ssd->dcl.con); |
| 682 | |
| 683 | head = qemu_console_get_index(ssd->dcl.con); |
| 684 | if (mc->num_of_monitors > head) { |
| 685 | info.width = mc->monitors[head].width; |
| 686 | info.height = mc->monitors[head].height; |
| 687 | if (mc->flags & VD_AGENT_CONFIG_MONITORS_FLAG_PHYSICAL_SIZE) { |
| 688 | VDAgentMonitorMM *mm = (void *)&mc->monitors[mc->num_of_monitors]; |
| 689 | info.width_mm = mm[head].width; |
| 690 | info.height_mm = mm[head].height; |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | trace_qemu_spice_ui_info(ssd->qxl.id, info.width, info.height); |
| 695 | qemu_console_set_ui_info(ssd->dcl.con, &info, false); |
| 696 | return 1; |
| 697 | } |
| 698 | |
| 699 | static const QXLInterface dpy_interface = { |
| 700 | .base.type = SPICE_INTERFACE_QXL, |
| 701 | .base.description = "qemu simple display", |
| 702 | .base.major_version = SPICE_INTERFACE_QXL_MAJOR, |
| 703 | .base.minor_version = SPICE_INTERFACE_QXL_MINOR, |
| 704 | |
| 705 | .attached_worker = interface_attached_worker, |
| 706 | .set_compression_level = interface_set_compression_level, |
| 707 | .get_init_info = interface_get_init_info, |
| 708 | |
| 709 | /* the callbacks below are called from spice server thread context */ |
| 710 | .get_command = interface_get_command, |
| 711 | .req_cmd_notification = interface_req_cmd_notification, |
| 712 | .release_resource = interface_release_resource, |
| 713 | .get_cursor_command = interface_get_cursor_command, |
| 714 | .req_cursor_notification = interface_req_cursor_notification, |
| 715 | .notify_update = interface_notify_update, |
| 716 | .flush_resources = interface_flush_resources, |
| 717 | .async_complete = interface_async_complete, |
| 718 | .update_area_complete = interface_update_area_complete, |
| 719 | .set_client_capabilities = interface_set_client_capabilities, |
| 720 | .client_monitors_config = interface_client_monitors_config, |
| 721 | }; |
| 722 | |
| 723 | static void display_update(DisplayChangeListener *dcl, |
| 724 | int x, int y, int w, int h) |
| 725 | { |
| 726 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 727 | qemu_spice_display_update(ssd, x, y, w, h); |
| 728 | } |
| 729 | |
| 730 | static void display_switch(DisplayChangeListener *dcl, |
| 731 | DisplaySurface *surface) |
| 732 | { |
| 733 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 734 | qemu_spice_display_switch(ssd, surface); |
| 735 | } |
| 736 | |
| 737 | static void display_refresh(DisplayChangeListener *dcl) |
| 738 | { |
| 739 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 740 | qemu_spice_display_refresh(ssd); |
| 741 | } |
| 742 | |
| 743 | static void display_mouse_set(DisplayChangeListener *dcl, |
| 744 | int x, int y, bool on) |
| 745 | { |
| 746 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 747 | |
| 748 | qemu_mutex_lock(&ssd->lock); |
| 749 | ssd->ptr_x = x; |
| 750 | ssd->ptr_y = y; |
| 751 | g_free(ssd->ptr_move); |
| 752 | ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL, on); |
| 753 | qemu_mutex_unlock(&ssd->lock); |
| 754 | qemu_spice_wakeup(ssd); |
| 755 | } |
| 756 | |
| 757 | static void display_mouse_define(DisplayChangeListener *dcl, |
| 758 | QEMUCursor *c) |
| 759 | { |
| 760 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 761 | |
| 762 | qemu_mutex_lock(&ssd->lock); |
| 763 | cursor_ref(c); |
| 764 | cursor_unref(ssd->cursor); |
| 765 | ssd->cursor = c; |
| 766 | ssd->hot_x = c->hot_x; |
| 767 | ssd->hot_y = c->hot_y; |
| 768 | g_free(ssd->ptr_move); |
| 769 | ssd->ptr_move = NULL; |
| 770 | g_free(ssd->ptr_define); |
| 771 | ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c, false); |
| 772 | qemu_mutex_unlock(&ssd->lock); |
| 773 | qemu_spice_wakeup(ssd); |
| 774 | } |
| 775 | |
| 776 | static const DisplayChangeListenerOps display_listener_ops = { |
| 777 | .dpy_name = "spice", |
| 778 | .dpy_gfx_update = display_update, |
| 779 | .dpy_gfx_switch = display_switch, |
| 780 | .dpy_gfx_check_format = qemu_pixman_check_format, |
| 781 | .dpy_refresh = display_refresh, |
| 782 | .dpy_mouse_set = display_mouse_set, |
| 783 | .dpy_cursor_define = display_mouse_define, |
| 784 | }; |
| 785 | |
| 786 | #ifdef HAVE_SPICE_GL |
| 787 | |
| 788 | static void qemu_spice_gl_monitor_config(SimpleSpiceDisplay *ssd, |
| 789 | int x, int y, int w, int h) |
| 790 | { |
| 791 | QXLMonitorsConfig *config; |
| 792 | QXLCookie *cookie; |
| 793 | |
| 794 | config = g_malloc0(sizeof(QXLMonitorsConfig) + sizeof(QXLHead)); |
| 795 | config->count = 1; |
| 796 | config->max_allowed = 1; |
| 797 | config->heads[0].x = x; |
| 798 | config->heads[0].y = y; |
| 799 | config->heads[0].width = w; |
| 800 | config->heads[0].height = h; |
| 801 | cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
| 802 | QXL_IO_MONITORS_CONFIG_ASYNC); |
| 803 | cookie->u.data = config; |
| 804 | |
| 805 | spice_qxl_monitors_config_async(&ssd->qxl, |
| 806 | (uintptr_t)config, |
| 807 | MEMSLOT_GROUP_HOST, |
| 808 | (uintptr_t)cookie); |
| 809 | } |
| 810 | |
| 811 | static void qemu_spice_gl_block(SimpleSpiceDisplay *ssd, bool block) |
| 812 | { |
| 813 | uint64_t timeout; |
| 814 | |
| 815 | if (block) { |
| 816 | timeout = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); |
| 817 | timeout += 1000; /* one sec */ |
| 818 | timer_mod(ssd->gl_unblock_timer, timeout); |
| 819 | } else { |
| 820 | timer_del(ssd->gl_unblock_timer); |
| 821 | } |
| 822 | qemu_console_hw_gl_block(ssd->dcl.con, block); |
| 823 | } |
| 824 | |
| 825 | static void qemu_spice_gl_unblock_bh(void *opaque) |
| 826 | { |
| 827 | SimpleSpiceDisplay *ssd = opaque; |
| 828 | |
| 829 | qemu_spice_gl_block(ssd, false); |
| 830 | } |
| 831 | |
| 832 | static void qemu_spice_gl_block_timer(void *opaque) |
| 833 | { |
| 834 | warn_report("spice: no gl-draw-done within one second"); |
| 835 | } |
| 836 | |
| 837 | static void spice_gl_draw(SimpleSpiceDisplay *ssd, |
| 838 | uint32_t x, uint32_t y, uint32_t w, uint32_t h) |
| 839 | { |
| 840 | uint64_t cookie; |
| 841 | |
| 842 | cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0); |
| 843 | spice_qxl_gl_draw_async(&ssd->qxl, x, y, w, h, cookie); |
| 844 | } |
| 845 | |
| 846 | static void spice_gl_refresh(DisplayChangeListener *dcl) |
| 847 | { |
| 848 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 849 | |
| 850 | if (!ssd->ds) { |
| 851 | return; |
| 852 | } |
| 853 | |
| 854 | if (qemu_console_is_gl_blocked(ssd->dcl.con)) { |
| 855 | if (spice_remote_client && ssd->gl_updates && ssd->have_scanout) { |
| 856 | glFlush(); |
| 857 | spice_gl_draw(ssd, 0, 0, |
| 858 | surface_width(ssd->ds), surface_height(ssd->ds)); |
| 859 | ssd->gl_updates = 0; |
| 860 | /* E.g, to achieve 60 FPS, update_interval needs to be ~16.66 ms */ |
| 861 | dcl->update_interval = 1000 / spice_max_refresh_rate; |
| 862 | } |
| 863 | return; |
| 864 | } |
| 865 | |
| 866 | qemu_console_hw_update(dcl->con); |
| 867 | if (ssd->gl_updates && ssd->have_surface) { |
| 868 | qemu_spice_gl_block(ssd, true); |
| 869 | glFlush(); |
| 870 | spice_gl_draw(ssd, 0, 0, |
| 871 | surface_width(ssd->ds), surface_height(ssd->ds)); |
| 872 | ssd->gl_updates = 0; |
| 873 | } |
| 874 | } |
| 875 | |
| 876 | static void spice_gl_update(DisplayChangeListener *dcl, |
| 877 | int x, int y, int w, int h) |
| 878 | { |
| 879 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 880 | |
| 881 | surface_gl_update_texture(ssd->gls, ssd->ds, x, y, w, h); |
| 882 | ssd->gl_updates++; |
| 883 | } |
| 884 | |
| 885 | static bool spice_gl_replace_fd_texture(SimpleSpiceDisplay *ssd, |
| 886 | int *fds, uint64_t *modifier, |
| 887 | int *num_planes) |
| 888 | { |
| 889 | uint32_t offsets[DMABUF_MAX_PLANES], strides[DMABUF_MAX_PLANES]; |
| 890 | GLuint texture; |
| 891 | GLuint mem_obj; |
| 892 | int fourcc; |
| 893 | bool ret; |
| 894 | |
| 895 | if (!spice_remote_client) { |
| 896 | return true; |
| 897 | } |
| 898 | |
| 899 | if (*modifier == DRM_FORMAT_MOD_LINEAR) { |
| 900 | return true; |
| 901 | } |
| 902 | |
| 903 | if (*num_planes > 1) { |
| 904 | error_report("spice: cannot replace texture with multiple planes"); |
| 905 | return false; |
| 906 | } |
| 907 | |
| 908 | /* |
| 909 | * We really want to ensure that the memory layout of the texture |
| 910 | * is linear; otherwise, the encoder's output may show corruption. |
| 911 | */ |
| 912 | if (!surface_gl_create_texture_from_fd(ssd->ds, fds[0], &texture, |
| 913 | &mem_obj)) { |
| 914 | error_report("spice: cannot create new texture from fd"); |
| 915 | return false; |
| 916 | } |
| 917 | |
| 918 | /* |
| 919 | * A successful return after glImportMemoryFdEXT() means that |
| 920 | * the ownership of fd has been passed to GL. In other words, |
| 921 | * the fd we got above should not be used anymore. |
| 922 | */ |
| 923 | ret = egl_dmabuf_export_texture(texture, |
| 924 | fds, |
| 925 | (EGLint *)offsets, |
| 926 | (EGLint *)strides, |
| 927 | &fourcc, |
| 928 | num_planes, |
| 929 | modifier); |
| 930 | if (!ret) { |
| 931 | glDeleteTextures(1, &texture); |
| 932 | #ifdef GL_EXT_memory_object_fd |
| 933 | glDeleteMemoryObjectsEXT(1, &mem_obj); |
| 934 | #endif |
| 935 | |
| 936 | /* |
| 937 | * Since we couldn't export our newly create texture (or create, |
| 938 | * an fd associated with it) we need to backtrack and try to |
| 939 | * recreate the fd associated with the original texture. |
| 940 | */ |
| 941 | ret = egl_dmabuf_export_texture(ssd->ds->texture, |
| 942 | fds, |
| 943 | (EGLint *)offsets, |
| 944 | (EGLint *)strides, |
| 945 | &fourcc, |
| 946 | num_planes, |
| 947 | modifier); |
| 948 | if (!ret) { |
| 949 | surface_gl_destroy_texture(ssd->gls, ssd->ds); |
| 950 | warn_report("spice: no texture available to display"); |
| 951 | } |
| 952 | } else { |
| 953 | surface_gl_destroy_texture(ssd->gls, ssd->ds); |
| 954 | ssd->ds->texture = texture; |
| 955 | |
| 956 | #ifdef GL_EXT_memory_object_fd |
| 957 | if (ssd->gl_surface_mem_obj) { |
| 958 | glDeleteMemoryObjectsEXT(1, &ssd->gl_surface_mem_obj); |
| 959 | } |
| 960 | |
| 961 | ssd->gl_surface_mem_obj = mem_obj; |
| 962 | #endif |
| 963 | } |
| 964 | return ret; |
| 965 | } |
| 966 | |
| 967 | static void spice_server_gl_scanout(QXLInstance *qxl, |
| 968 | const int *fd, |
| 969 | uint32_t width, uint32_t height, |
| 970 | const uint32_t *offset, |
| 971 | const uint32_t *stride, |
| 972 | uint32_t num_planes, uint32_t format, |
| 973 | uint64_t modifier, int y_0_top) |
| 974 | { |
| 975 | #ifdef HAVE_SPICE_QXL_GL_SCANOUT2 |
| 976 | spice_qxl_gl_scanout2(qxl, fd, width, height, offset, stride, |
| 977 | num_planes, format, modifier, y_0_top); |
| 978 | #else |
| 979 | if (fd == NULL) { |
| 980 | spice_qxl_gl_scanout(qxl, -1, 0, 0, 0, 0, false); |
| 981 | } else if (num_planes <= 1) { |
| 982 | spice_qxl_gl_scanout(qxl, fd[0], width, height, stride[0], format, y_0_top); |
| 983 | } else { |
| 984 | error_report("SPICE server does not support multi plane GL scanout"); |
| 985 | } |
| 986 | #endif |
| 987 | } |
| 988 | |
| 989 | static void spice_gl_switch(DisplayChangeListener *dcl, |
| 990 | struct DisplaySurface *new_surface) |
| 991 | { |
| 992 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 993 | bool ret; |
| 994 | |
| 995 | if (ssd->ds) { |
| 996 | surface_gl_destroy_texture(ssd->gls, ssd->ds); |
| 997 | } |
| 998 | ssd->ds = new_surface; |
| 999 | if (ssd->ds) { |
| 1000 | uint32_t offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES]; |
| 1001 | int fd[DMABUF_MAX_PLANES], num_planes, fourcc; |
| 1002 | uint64_t modifier; |
| 1003 | |
| 1004 | surface_gl_create_texture(ssd->gls, ssd->ds); |
| 1005 | if (!egl_dmabuf_export_texture(ssd->ds->texture, |
| 1006 | fd, |
| 1007 | (EGLint *)offset, |
| 1008 | (EGLint *)stride, |
| 1009 | &fourcc, |
| 1010 | &num_planes, |
| 1011 | &modifier)) { |
| 1012 | surface_gl_destroy_texture(ssd->gls, ssd->ds); |
| 1013 | return; |
| 1014 | } |
| 1015 | |
| 1016 | ret = spice_gl_replace_fd_texture(ssd, fd, &modifier, &num_planes); |
| 1017 | if (!ret) { |
| 1018 | surface_gl_destroy_texture(ssd->gls, ssd->ds); |
| 1019 | return; |
| 1020 | } |
| 1021 | |
| 1022 | trace_qemu_spice_gl_surface(ssd->qxl.id, |
| 1023 | surface_width(ssd->ds), |
| 1024 | surface_height(ssd->ds), |
| 1025 | fourcc); |
| 1026 | |
| 1027 | /* note: spice server will close the fd */ |
| 1028 | spice_server_gl_scanout(&ssd->qxl, fd, |
| 1029 | surface_width(ssd->ds), |
| 1030 | surface_height(ssd->ds), |
| 1031 | offset, stride, num_planes, |
| 1032 | fourcc, modifier, false); |
| 1033 | ssd->have_surface = true; |
| 1034 | ssd->have_scanout = false; |
| 1035 | |
| 1036 | qemu_spice_gl_monitor_config(ssd, 0, 0, |
| 1037 | surface_width(ssd->ds), |
| 1038 | surface_height(ssd->ds)); |
| 1039 | } |
| 1040 | } |
| 1041 | |
| 1042 | static QEMUGLContext qemu_spice_gl_create_context(DisplayGLCtx *dgc, |
| 1043 | QEMUGLParams *params) |
| 1044 | { |
| 1045 | return qemu_egl_create_context(dgc, params, qemu_egl_rn_ctx); |
| 1046 | } |
| 1047 | |
| 1048 | static void qemu_spice_gl_scanout_disable(DisplayChangeListener *dcl) |
| 1049 | { |
| 1050 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1051 | |
| 1052 | trace_qemu_spice_gl_scanout_disable(ssd->qxl.id); |
| 1053 | |
| 1054 | /* |
| 1055 | * We need to check for the case of "lost" updates, where a gl_draw |
| 1056 | * was not submitted because the timer did not get a chance to run. |
| 1057 | * One case where this happens is when the Guest VM is getting |
| 1058 | * rebooted. If the console is blocked in this situation, we need |
| 1059 | * to unblock it. Otherwise, newer updates would not take effect. |
| 1060 | */ |
| 1061 | if (qemu_console_is_gl_blocked(ssd->dcl.con)) { |
| 1062 | if (spice_remote_client && ssd->gl_updates && ssd->have_scanout) { |
| 1063 | ssd->gl_updates = 0; |
| 1064 | qemu_spice_gl_block(ssd, false); |
| 1065 | } |
| 1066 | } |
| 1067 | spice_server_gl_scanout(&ssd->qxl, NULL, 0, 0, NULL, NULL, 0, DRM_FORMAT_INVALID, |
| 1068 | DRM_FORMAT_MOD_INVALID, false); |
| 1069 | qemu_spice_gl_monitor_config(ssd, 0, 0, 0, 0); |
| 1070 | ssd->have_surface = false; |
| 1071 | ssd->have_scanout = false; |
| 1072 | } |
| 1073 | |
| 1074 | static void qemu_spice_gl_scanout_texture(DisplayChangeListener *dcl, |
| 1075 | uint32_t tex_id, |
| 1076 | bool y_0_top, |
| 1077 | uint32_t backing_width, |
| 1078 | uint32_t backing_height, |
| 1079 | uint32_t x, uint32_t y, |
| 1080 | uint32_t w, uint32_t h, |
| 1081 | void *d3d_tex2d) |
| 1082 | { |
| 1083 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1084 | EGLint offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES], fourcc = 0; |
| 1085 | int fd[DMABUF_MAX_PLANES], num_planes, i; |
| 1086 | uint64_t modifier; |
| 1087 | |
| 1088 | assert(tex_id); |
| 1089 | if (!egl_dmabuf_export_texture(tex_id, fd, offset, stride, &fourcc, |
| 1090 | &num_planes, &modifier)) { |
| 1091 | fprintf(stderr, "%s: failed to export dmabuf for texture\n", __func__); |
| 1092 | return; |
| 1093 | } |
| 1094 | |
| 1095 | trace_qemu_spice_gl_scanout_texture(ssd->qxl.id, w, h, fourcc); |
| 1096 | |
| 1097 | if (spice_remote_client && modifier != DRM_FORMAT_MOD_LINEAR) { |
| 1098 | egl_fb_destroy(&ssd->guest_fb); |
| 1099 | egl_fb_setup_for_tex(&ssd->guest_fb, |
| 1100 | backing_width, backing_height, |
| 1101 | tex_id, false); |
| 1102 | ssd->backing_y_0_top = y_0_top; |
| 1103 | ssd->blit_scanout_texture = true; |
| 1104 | ssd->new_scanout_texture = true; |
| 1105 | |
| 1106 | for (i = 0; i < num_planes; i++) { |
| 1107 | close(fd[i]); |
| 1108 | } |
| 1109 | } else { |
| 1110 | /* note: spice server will close the fd */ |
| 1111 | spice_server_gl_scanout(&ssd->qxl, fd, backing_width, backing_height, |
| 1112 | (uint32_t *)offset, (uint32_t *)stride, |
| 1113 | num_planes, fourcc, modifier, y_0_top); |
| 1114 | qemu_spice_gl_monitor_config(ssd, x, y, w, h); |
| 1115 | } |
| 1116 | |
| 1117 | ssd->have_surface = false; |
| 1118 | ssd->have_scanout = true; |
| 1119 | } |
| 1120 | |
| 1121 | static void qemu_spice_gl_scanout_dmabuf(DisplayChangeListener *dcl, |
| 1122 | QemuDmaBuf *dmabuf) |
| 1123 | { |
| 1124 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1125 | |
| 1126 | ssd->guest_dmabuf = dmabuf; |
| 1127 | ssd->guest_dmabuf_refresh = true; |
| 1128 | |
| 1129 | ssd->have_surface = false; |
| 1130 | ssd->have_scanout = true; |
| 1131 | } |
| 1132 | |
| 1133 | static void qemu_spice_gl_cursor_dmabuf(DisplayChangeListener *dcl, |
| 1134 | QemuDmaBuf *dmabuf, bool have_hot, |
| 1135 | uint32_t hot_x, uint32_t hot_y) |
| 1136 | { |
| 1137 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1138 | uint32_t width, height, texture; |
| 1139 | |
| 1140 | ssd->have_hot = have_hot; |
| 1141 | ssd->hot_x = hot_x; |
| 1142 | ssd->hot_y = hot_y; |
| 1143 | |
| 1144 | trace_qemu_spice_gl_cursor(ssd->qxl.id, dmabuf != NULL, have_hot); |
| 1145 | if (dmabuf) { |
| 1146 | egl_dmabuf_import_texture(dmabuf); |
| 1147 | texture = qemu_dmabuf_get_texture(dmabuf); |
| 1148 | if (!texture) { |
| 1149 | return; |
| 1150 | } |
| 1151 | width = qemu_dmabuf_get_width(dmabuf); |
| 1152 | height = qemu_dmabuf_get_height(dmabuf); |
| 1153 | egl_fb_setup_for_tex(&ssd->cursor_fb, width, height, texture, false); |
| 1154 | } else { |
| 1155 | egl_fb_destroy(&ssd->cursor_fb); |
| 1156 | } |
| 1157 | } |
| 1158 | |
| 1159 | static void qemu_spice_gl_cursor_position(DisplayChangeListener *dcl, |
| 1160 | uint32_t pos_x, uint32_t pos_y) |
| 1161 | { |
| 1162 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1163 | |
| 1164 | qemu_mutex_lock(&ssd->lock); |
| 1165 | ssd->ptr_x = pos_x; |
| 1166 | ssd->ptr_y = pos_y; |
| 1167 | qemu_mutex_unlock(&ssd->lock); |
| 1168 | } |
| 1169 | |
| 1170 | static void qemu_spice_gl_release_dmabuf(DisplayChangeListener *dcl, |
| 1171 | QemuDmaBuf *dmabuf) |
| 1172 | { |
| 1173 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1174 | |
| 1175 | if (ssd->guest_dmabuf == dmabuf) { |
| 1176 | ssd->guest_dmabuf = NULL; |
| 1177 | ssd->guest_dmabuf_refresh = false; |
| 1178 | } |
| 1179 | egl_dmabuf_release_texture(dmabuf); |
| 1180 | } |
| 1181 | |
| 1182 | static bool spice_gl_blit_scanout_texture(SimpleSpiceDisplay *ssd) |
| 1183 | { |
| 1184 | uint32_t offsets[DMABUF_MAX_PLANES], strides[DMABUF_MAX_PLANES]; |
| 1185 | int fds[DMABUF_MAX_PLANES], num_planes, fourcc; |
| 1186 | egl_fb scanout_tex_fb = {}; |
| 1187 | uint64_t modifier; |
| 1188 | bool ret; |
| 1189 | |
| 1190 | egl_fb_setup_for_tex(&scanout_tex_fb, |
| 1191 | surface_width(ssd->ds), surface_height(ssd->ds), |
| 1192 | ssd->ds->texture, false); |
| 1193 | egl_fb_blit(&scanout_tex_fb, &ssd->guest_fb, false); |
| 1194 | glFlush(); |
| 1195 | egl_fb_destroy(&scanout_tex_fb); |
| 1196 | |
| 1197 | if (!ssd->new_scanout_texture) { |
| 1198 | return true; |
| 1199 | } |
| 1200 | |
| 1201 | ret = egl_dmabuf_export_texture(ssd->ds->texture, |
| 1202 | fds, |
| 1203 | (EGLint *)offsets, |
| 1204 | (EGLint *)strides, |
| 1205 | &fourcc, |
| 1206 | &num_planes, |
| 1207 | &modifier); |
| 1208 | if (!ret) { |
| 1209 | error_report("spice: failed to get fd for texture"); |
| 1210 | return false; |
| 1211 | } |
| 1212 | |
| 1213 | spice_server_gl_scanout(&ssd->qxl, fds, |
| 1214 | surface_width(ssd->ds), |
| 1215 | surface_height(ssd->ds), |
| 1216 | (uint32_t *)offsets, (uint32_t *)strides, |
| 1217 | num_planes, fourcc, modifier, |
| 1218 | ssd->backing_y_0_top); |
| 1219 | qemu_spice_gl_monitor_config(ssd, 0, 0, |
| 1220 | surface_width(ssd->ds), |
| 1221 | surface_height(ssd->ds)); |
| 1222 | ssd->new_scanout_texture = false; |
| 1223 | return true; |
| 1224 | } |
| 1225 | |
| 1226 | static void qemu_spice_gl_update(DisplayChangeListener *dcl, |
| 1227 | uint32_t x, uint32_t y, uint32_t w, uint32_t h) |
| 1228 | { |
| 1229 | SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); |
| 1230 | EGLint fourcc = 0; |
| 1231 | bool render_cursor = false; |
| 1232 | bool y_0_top = false; /* FIXME */ |
| 1233 | bool ret; |
| 1234 | uint32_t width, height, texture; |
| 1235 | |
| 1236 | if (!ssd->have_scanout) { |
| 1237 | return; |
| 1238 | } |
| 1239 | |
| 1240 | if (ssd->cursor_fb.texture) { |
| 1241 | render_cursor = true; |
| 1242 | } |
| 1243 | if (ssd->render_cursor != render_cursor) { |
| 1244 | ssd->render_cursor = render_cursor; |
| 1245 | ssd->guest_dmabuf_refresh = true; |
| 1246 | egl_fb_destroy(&ssd->blit_fb); |
| 1247 | } |
| 1248 | |
| 1249 | if (ssd->guest_dmabuf_refresh) { |
| 1250 | QemuDmaBuf *dmabuf = ssd->guest_dmabuf; |
| 1251 | width = qemu_dmabuf_get_width(dmabuf); |
| 1252 | height = qemu_dmabuf_get_height(dmabuf); |
| 1253 | |
| 1254 | if (render_cursor) { |
| 1255 | egl_dmabuf_import_texture(dmabuf); |
| 1256 | texture = qemu_dmabuf_get_texture(dmabuf); |
| 1257 | if (!texture) { |
| 1258 | return; |
| 1259 | } |
| 1260 | |
| 1261 | /* source framebuffer */ |
| 1262 | egl_fb_setup_for_tex(&ssd->guest_fb, width, height, |
| 1263 | texture, false); |
| 1264 | |
| 1265 | /* dest framebuffer */ |
| 1266 | if (ssd->blit_fb.width != width || |
| 1267 | ssd->blit_fb.height != height) { |
| 1268 | int fds[DMABUF_MAX_PLANES], num_planes; |
| 1269 | uint32_t offsets[DMABUF_MAX_PLANES], strides[DMABUF_MAX_PLANES]; |
| 1270 | uint64_t modifier; |
| 1271 | |
| 1272 | trace_qemu_spice_gl_render_dmabuf(ssd->qxl.id, width, |
| 1273 | height); |
| 1274 | egl_fb_destroy(&ssd->blit_fb); |
| 1275 | egl_fb_setup_new_tex(&ssd->blit_fb, |
| 1276 | width, height); |
| 1277 | if (!egl_dmabuf_export_texture(ssd->blit_fb.texture, fds, |
| 1278 | (EGLint *)offsets, (EGLint *)strides, |
| 1279 | &fourcc, &num_planes, &modifier)) { |
| 1280 | fprintf(stderr, |
| 1281 | "%s: failed to export dmabuf for texture\n", __func__); |
| 1282 | return; |
| 1283 | } |
| 1284 | |
| 1285 | spice_server_gl_scanout(&ssd->qxl, fds, width, height, offsets, strides, |
| 1286 | num_planes, fourcc, modifier, false); |
| 1287 | } |
| 1288 | } else { |
| 1289 | int fds[DMABUF_MAX_PLANES]; |
| 1290 | int noffsets, nstrides; |
| 1291 | const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets); |
| 1292 | const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides); |
| 1293 | uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf); |
| 1294 | |
| 1295 | assert(noffsets >= num_planes); |
| 1296 | assert(nstrides >= num_planes); |
| 1297 | |
| 1298 | fourcc = qemu_dmabuf_get_fourcc(dmabuf); |
| 1299 | y_0_top = qemu_dmabuf_get_y0_top(dmabuf); |
| 1300 | qemu_dmabuf_dup_fds(dmabuf, fds, DMABUF_MAX_PLANES); |
| 1301 | |
| 1302 | trace_qemu_spice_gl_forward_dmabuf(ssd->qxl.id, width, height); |
| 1303 | /* note: spice server will close the fd, so hand over a dup */ |
| 1304 | spice_server_gl_scanout(&ssd->qxl, fds, width, height, |
| 1305 | offsets, strides, num_planes, |
| 1306 | fourcc, |
| 1307 | qemu_dmabuf_get_modifier(dmabuf), |
| 1308 | y_0_top); |
| 1309 | } |
| 1310 | qemu_spice_gl_monitor_config(ssd, 0, 0, width, height); |
| 1311 | ssd->guest_dmabuf_refresh = false; |
| 1312 | } |
| 1313 | |
| 1314 | if (render_cursor) { |
| 1315 | int ptr_x, ptr_y; |
| 1316 | |
| 1317 | qemu_mutex_lock(&ssd->lock); |
| 1318 | ptr_x = ssd->ptr_x; |
| 1319 | ptr_y = ssd->ptr_y; |
| 1320 | qemu_mutex_unlock(&ssd->lock); |
| 1321 | egl_texture_blit(ssd->gls, &ssd->blit_fb, &ssd->guest_fb, |
| 1322 | !y_0_top); |
| 1323 | egl_texture_blend(ssd->gls, &ssd->blit_fb, &ssd->cursor_fb, |
| 1324 | !y_0_top, ptr_x, ptr_y, 1.0, 1.0); |
| 1325 | glFlush(); |
| 1326 | } |
| 1327 | |
| 1328 | if (spice_remote_client && ssd->blit_scanout_texture) { |
| 1329 | ret = spice_gl_blit_scanout_texture(ssd); |
| 1330 | if (!ret) { |
| 1331 | return; |
| 1332 | } |
| 1333 | } |
| 1334 | |
| 1335 | trace_qemu_spice_gl_update(ssd->qxl.id, w, h, x, y); |
| 1336 | qemu_spice_gl_block(ssd, true); |
| 1337 | glFlush(); |
| 1338 | |
| 1339 | /* |
| 1340 | * In the case of remote clients, the submission of gl_draw request is |
| 1341 | * deferred here, so that it can be submitted later (to spice server) |
| 1342 | * from spice_gl_refresh() timer callback. This is done to ensure that |
| 1343 | * Guest updates are submitted at a steady rate (e.g. 60 FPS) instead |
| 1344 | * of submitting them arbitrarily. |
| 1345 | */ |
| 1346 | if (spice_remote_client) { |
| 1347 | ssd->gl_updates++; |
| 1348 | } else { |
| 1349 | spice_gl_draw(ssd, x, y, w, h); |
| 1350 | } |
| 1351 | } |
| 1352 | |
| 1353 | static const DisplayChangeListenerOps display_listener_gl_ops = { |
| 1354 | .dpy_name = "spice-egl", |
| 1355 | .dpy_gfx_update = spice_gl_update, |
| 1356 | .dpy_gfx_switch = spice_gl_switch, |
| 1357 | .dpy_gfx_check_format = console_gl_check_format, |
| 1358 | .dpy_refresh = spice_gl_refresh, |
| 1359 | .dpy_mouse_set = display_mouse_set, |
| 1360 | .dpy_cursor_define = display_mouse_define, |
| 1361 | |
| 1362 | .dpy_gl_scanout_disable = qemu_spice_gl_scanout_disable, |
| 1363 | .dpy_gl_scanout_texture = qemu_spice_gl_scanout_texture, |
| 1364 | .dpy_gl_scanout_dmabuf = qemu_spice_gl_scanout_dmabuf, |
| 1365 | .dpy_gl_cursor_dmabuf = qemu_spice_gl_cursor_dmabuf, |
| 1366 | .dpy_gl_cursor_position = qemu_spice_gl_cursor_position, |
| 1367 | .dpy_gl_release_dmabuf = qemu_spice_gl_release_dmabuf, |
| 1368 | .dpy_gl_update = qemu_spice_gl_update, |
| 1369 | }; |
| 1370 | |
| 1371 | static bool |
| 1372 | qemu_spice_is_compatible_dcl(DisplayGLCtx *dgc, |
| 1373 | DisplayChangeListener *dcl) |
| 1374 | { |
| 1375 | return dcl->ops == &display_listener_gl_ops; |
| 1376 | } |
| 1377 | |
| 1378 | static const DisplayGLCtxOps gl_ctx_ops = { |
| 1379 | .dpy_gl_ctx_is_compatible_dcl = qemu_spice_is_compatible_dcl, |
| 1380 | .dpy_gl_ctx_create = qemu_spice_gl_create_context, |
| 1381 | .dpy_gl_ctx_destroy = qemu_egl_destroy_context, |
| 1382 | .dpy_gl_ctx_make_current = qemu_egl_make_context_current, |
| 1383 | }; |
| 1384 | |
| 1385 | #endif /* HAVE_SPICE_GL */ |
| 1386 | |
| 1387 | static void qemu_spice_display_init_one(QemuConsole *con) |
| 1388 | { |
| 1389 | SimpleSpiceDisplay *ssd = g_new0(SimpleSpiceDisplay, 1); |
| 1390 | Error *err = NULL; |
| 1391 | char device_address[256] = ""; |
| 1392 | const DisplayChangeListenerOps *ops = &display_listener_ops; |
| 1393 | |
| 1394 | qemu_spice_display_init_common(ssd); |
| 1395 | |
| 1396 | #ifdef HAVE_SPICE_GL |
| 1397 | if (spice_opengl) { |
| 1398 | ops = &display_listener_gl_ops; |
| 1399 | ssd->dgc.ops = &gl_ctx_ops; |
| 1400 | ssd->gl_unblock_bh = qemu_bh_new(qemu_spice_gl_unblock_bh, ssd); |
| 1401 | ssd->gl_unblock_timer = timer_new_ms(QEMU_CLOCK_REALTIME, |
| 1402 | qemu_spice_gl_block_timer, ssd); |
| 1403 | ssd->gls = qemu_gl_init_shader(); |
| 1404 | ssd->have_surface = false; |
| 1405 | ssd->have_scanout = false; |
| 1406 | } |
| 1407 | #endif |
| 1408 | ssd->qxl.base.sif = &dpy_interface.base; |
| 1409 | qemu_spice_add_display_interface(&ssd->qxl, con); |
| 1410 | |
| 1411 | if (qemu_console_fill_device_address(con, device_address, 256, &err)) { |
| 1412 | spice_qxl_set_device_info(&ssd->qxl, |
| 1413 | device_address, |
| 1414 | qemu_console_get_head(con), |
| 1415 | 1); |
| 1416 | } else { |
| 1417 | error_report_err(err); |
| 1418 | } |
| 1419 | |
| 1420 | qemu_spice_create_host_memslot(ssd); |
| 1421 | |
| 1422 | if (spice_opengl) { |
| 1423 | qemu_console_set_display_gl_ctx(con, &ssd->dgc); |
| 1424 | } |
| 1425 | qemu_console_register_listener(con, &ssd->dcl, ops); |
| 1426 | g_ptr_array_add(spice_displays, ssd); |
| 1427 | } |
| 1428 | |
| 1429 | void qemu_spice_display_cleanup(void) |
| 1430 | { |
| 1431 | if (!spice_displays) { |
| 1432 | return; |
| 1433 | } |
| 1434 | |
| 1435 | for (guint i = 0; i < spice_displays->len; i++) { |
| 1436 | SimpleSpiceDisplay *ssd = g_ptr_array_index(spice_displays, i); |
| 1437 | SimpleSpiceUpdate *update; |
| 1438 | |
| 1439 | qemu_console_unregister_listener(&ssd->dcl); |
| 1440 | #ifdef HAVE_SPICE_GL |
| 1441 | if (spice_opengl) { |
| 1442 | qemu_console_set_display_gl_ctx(ssd->dcl.con, NULL); |
| 1443 | } |
| 1444 | #endif |
| 1445 | |
| 1446 | if (ssd->ds) { |
| 1447 | qemu_spice_destroy_host_primary(ssd); |
| 1448 | } |
| 1449 | qemu_spice_del_memslot(ssd, MEMSLOT_GROUP_HOST, 0); |
| 1450 | spice_server_remove_interface(&ssd->qxl.base); |
| 1451 | |
| 1452 | while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) { |
| 1453 | QTAILQ_REMOVE(&ssd->updates, update, next); |
| 1454 | qemu_spice_destroy_update(ssd, update); |
| 1455 | } |
| 1456 | g_clear_pointer(&ssd->ptr_define, g_free); |
| 1457 | g_clear_pointer(&ssd->ptr_move, g_free); |
| 1458 | g_clear_pointer(&ssd->cursor, cursor_unref); |
| 1459 | g_clear_pointer(&ssd->surface, pixman_image_unref); |
| 1460 | g_clear_pointer(&ssd->mirror, pixman_image_unref); |
| 1461 | g_clear_pointer(&ssd->buf, g_free); |
| 1462 | #ifdef HAVE_SPICE_GL |
| 1463 | g_clear_pointer(&ssd->gl_unblock_bh, qemu_bh_delete); |
| 1464 | g_clear_pointer(&ssd->gl_unblock_timer, timer_free); |
| 1465 | g_clear_pointer(&ssd->gls, qemu_gl_fini_shader); |
| 1466 | egl_fb_destroy(&ssd->guest_fb); |
| 1467 | egl_fb_destroy(&ssd->blit_fb); |
| 1468 | egl_fb_destroy(&ssd->cursor_fb); |
| 1469 | #endif |
| 1470 | qemu_mutex_destroy(&ssd->lock); |
| 1471 | g_free(ssd); |
| 1472 | } |
| 1473 | g_clear_pointer(&spice_displays, g_ptr_array_unref); |
| 1474 | } |
| 1475 | |
| 1476 | void qemu_spice_display_init(void) |
| 1477 | { |
| 1478 | QemuOptsList *olist = qemu_find_opts("spice"); |
| 1479 | QemuOpts *opts = QTAILQ_FIRST(&olist->head); |
| 1480 | QemuConsole *spice_con, *con; |
| 1481 | const char *str; |
| 1482 | int i; |
| 1483 | |
| 1484 | spice_displays = g_ptr_array_new(); |
| 1485 | |
| 1486 | str = qemu_opt_get(opts, "display"); |
| 1487 | if (str) { |
| 1488 | int head = qemu_opt_get_number(opts, "head", 0); |
| 1489 | Error *err = NULL; |
| 1490 | |
| 1491 | spice_con = qemu_console_lookup_by_device_name(str, head, &err); |
| 1492 | if (err) { |
| 1493 | error_report("Failed to lookup display/head"); |
| 1494 | exit(1); |
| 1495 | } |
| 1496 | } else { |
| 1497 | spice_con = NULL; |
| 1498 | } |
| 1499 | |
| 1500 | for (i = 0;; i++) { |
| 1501 | con = qemu_console_lookup_by_index(i); |
| 1502 | if (!con || !qemu_console_is_graphic(con)) { |
| 1503 | break; |
| 1504 | } |
| 1505 | if (qemu_spice_have_display_interface(con)) { |
| 1506 | continue; |
| 1507 | } |
| 1508 | if (spice_con != NULL && spice_con != con) { |
| 1509 | continue; |
| 1510 | } |
| 1511 | qemu_spice_display_init_one(con); |
| 1512 | } |
| 1513 | |
| 1514 | qemu_spice_display_init_done(); |
| 1515 | } |