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142ca628 MAL |
1 | /* |
2 | * QEMU DBus display console | |
3 | * | |
4 | * Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu/osdep.h" | |
5feed38c | 25 | #include "qemu/error-report.h" |
de1f8ce0 | 26 | #include "qapi/error.h" |
142ca628 MAL |
27 | #include "sysemu/sysemu.h" |
28 | #include "dbus.h" | |
29c5c7e5 | 29 | #ifdef G_OS_UNIX |
142ca628 | 30 | #include <gio/gunixfdlist.h> |
29c5c7e5 | 31 | #endif |
de1f8ce0 MAL |
32 | #ifdef WIN32 |
33 | #include <d3d11.h> | |
34 | #include <dxgi1_2.h> | |
35 | #endif | |
142ca628 | 36 | |
84a0a2ef | 37 | #ifdef CONFIG_OPENGL |
142ca628 MAL |
38 | #include "ui/shader.h" |
39 | #include "ui/egl-helpers.h" | |
40 | #include "ui/egl-context.h" | |
949c084a | 41 | #include "ui/qemu-pixman.h" |
84a0a2ef | 42 | #endif |
142ca628 MAL |
43 | #include "trace.h" |
44 | ||
f43bf0a7 MAL |
45 | static void dbus_gfx_switch(DisplayChangeListener *dcl, |
46 | struct DisplaySurface *new_surface); | |
47 | ||
de1f8ce0 MAL |
48 | enum share_kind { |
49 | SHARE_KIND_NONE, | |
50 | SHARE_KIND_MAPPED, | |
51 | SHARE_KIND_D3DTEX, | |
52 | }; | |
53 | ||
142ca628 MAL |
54 | struct _DBusDisplayListener { |
55 | GObject parent; | |
56 | ||
57 | char *bus_name; | |
58 | DBusDisplayConsole *console; | |
59 | GDBusConnection *conn; | |
60 | ||
61 | QemuDBusDisplay1Listener *proxy; | |
62 | ||
949c084a | 63 | #ifdef CONFIG_PIXMAN |
7007e98c BE |
64 | /* Keep track of the damage region */ |
65 | pixman_region32_t gl_damage; | |
949c084a MAL |
66 | #else |
67 | int gl_damage; | |
7007e98c BE |
68 | #endif |
69 | ||
142ca628 MAL |
70 | DisplayChangeListener dcl; |
71 | DisplaySurface *ds; | |
de1f8ce0 MAL |
72 | enum share_kind ds_share; |
73 | ||
48dddba1 MAL |
74 | bool ds_mapped; |
75 | bool can_share_map; | |
76 | ||
77 | #ifdef WIN32 | |
78 | QemuDBusDisplay1ListenerWin32Map *map_proxy; | |
de1f8ce0 | 79 | QemuDBusDisplay1ListenerWin32D3d11 *d3d11_proxy; |
48dddba1 | 80 | HANDLE peer_process; |
de1f8ce0 | 81 | ID3D11Texture2D *d3d_texture; |
f43bf0a7 MAL |
82 | #ifdef CONFIG_OPENGL |
83 | egl_fb fb; | |
84 | #endif | |
48dddba1 | 85 | #endif |
fa88b85d MAL |
86 | |
87 | guint dbus_filter; | |
88 | guint32 out_serial_to_discard; | |
142ca628 MAL |
89 | }; |
90 | ||
91 | G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listener, G_TYPE_OBJECT) | |
92 | ||
f43bf0a7 MAL |
93 | static void dbus_gfx_update(DisplayChangeListener *dcl, |
94 | int x, int y, int w, int h); | |
95 | ||
fa88b85d MAL |
96 | static void ddl_discard_pending_messages(DBusDisplayListener *ddl) |
97 | { | |
98 | ddl->out_serial_to_discard = g_dbus_connection_get_last_serial( | |
99 | g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy))); | |
100 | } | |
101 | ||
f43bf0a7 MAL |
102 | #ifdef CONFIG_OPENGL |
103 | static void dbus_scanout_disable(DisplayChangeListener *dcl) | |
104 | { | |
105 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
106 | ||
f43bf0a7 MAL |
107 | qemu_dbus_display1_listener_call_disable( |
108 | ddl->proxy, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); | |
109 | } | |
110 | ||
de1f8ce0 MAL |
111 | #ifdef WIN32 |
112 | static bool d3d_texture2d_share(ID3D11Texture2D *d3d_texture, | |
113 | HANDLE *handle, Error **errp) | |
114 | { | |
115 | IDXGIResource1 *dxgiResource = NULL; | |
116 | HRESULT hr; | |
117 | ||
118 | hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture, | |
119 | &IID_IDXGIResource1, | |
120 | (void **)&dxgiResource); | |
121 | if (FAILED(hr)) { | |
122 | goto fail; | |
123 | } | |
124 | ||
125 | hr = dxgiResource->lpVtbl->CreateSharedHandle( | |
126 | dxgiResource, | |
127 | NULL, | |
128 | DXGI_SHARED_RESOURCE_READ | DXGI_SHARED_RESOURCE_WRITE, | |
129 | NULL, | |
130 | handle | |
131 | ); | |
132 | ||
133 | dxgiResource->lpVtbl->Release(dxgiResource); | |
134 | ||
135 | if (SUCCEEDED(hr)) { | |
136 | return true; | |
137 | } | |
138 | ||
139 | fail: | |
140 | error_setg_win32(errp, GetLastError(), "failed to create shared handle"); | |
141 | return false; | |
142 | } | |
143 | ||
144 | static bool d3d_texture2d_acquire0(ID3D11Texture2D *d3d_texture, Error **errp) | |
145 | { | |
146 | IDXGIKeyedMutex *dxgiMutex = NULL; | |
147 | HRESULT hr; | |
148 | ||
149 | hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture, | |
150 | &IID_IDXGIKeyedMutex, | |
151 | (void **)&dxgiMutex); | |
152 | if (FAILED(hr)) { | |
153 | goto fail; | |
154 | } | |
155 | ||
156 | hr = dxgiMutex->lpVtbl->AcquireSync(dxgiMutex, 0, INFINITE); | |
157 | ||
158 | dxgiMutex->lpVtbl->Release(dxgiMutex); | |
159 | ||
160 | if (SUCCEEDED(hr)) { | |
161 | return true; | |
162 | } | |
163 | ||
164 | fail: | |
165 | error_setg_win32(errp, GetLastError(), "failed to acquire texture mutex"); | |
166 | return false; | |
167 | } | |
168 | ||
169 | static bool d3d_texture2d_release0(ID3D11Texture2D *d3d_texture, Error **errp) | |
170 | { | |
171 | IDXGIKeyedMutex *dxgiMutex = NULL; | |
172 | HRESULT hr; | |
173 | ||
174 | hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture, | |
175 | &IID_IDXGIKeyedMutex, | |
176 | (void **)&dxgiMutex); | |
177 | if (FAILED(hr)) { | |
178 | goto fail; | |
179 | } | |
180 | ||
181 | hr = dxgiMutex->lpVtbl->ReleaseSync(dxgiMutex, 0); | |
182 | ||
183 | dxgiMutex->lpVtbl->Release(dxgiMutex); | |
184 | ||
185 | if (SUCCEEDED(hr)) { | |
186 | return true; | |
187 | } | |
188 | ||
189 | fail: | |
190 | error_setg_win32(errp, GetLastError(), "failed to release texture mutex"); | |
191 | return false; | |
192 | } | |
193 | #endif /* WIN32 */ | |
194 | ||
d39a84b7 | 195 | #if defined(CONFIG_GBM) || defined(WIN32) |
142ca628 | 196 | static void dbus_update_gl_cb(GObject *source_object, |
de1f8ce0 MAL |
197 | GAsyncResult *res, |
198 | gpointer user_data) | |
142ca628 MAL |
199 | { |
200 | g_autoptr(GError) err = NULL; | |
201 | DBusDisplayListener *ddl = user_data; | |
de1f8ce0 MAL |
202 | bool success; |
203 | ||
204 | #ifdef CONFIG_GBM | |
205 | success = qemu_dbus_display1_listener_call_update_dmabuf_finish( | |
206 | ddl->proxy, res, &err); | |
207 | #endif | |
208 | ||
209 | #ifdef WIN32 | |
210 | success = qemu_dbus_display1_listener_win32_d3d11_call_update_texture2d_finish( | |
211 | ddl->d3d11_proxy, res, &err); | |
212 | d3d_texture2d_acquire0(ddl->d3d_texture, &error_warn); | |
213 | #endif | |
142ca628 | 214 | |
de1f8ce0 | 215 | if (!success) { |
142ca628 MAL |
216 | error_report("Failed to call update: %s", err->message); |
217 | } | |
218 | ||
219 | graphic_hw_gl_block(ddl->dcl.con, false); | |
220 | g_object_unref(ddl); | |
221 | } | |
d39a84b7 | 222 | #endif |
142ca628 | 223 | |
f43bf0a7 | 224 | static void dbus_call_update_gl(DisplayChangeListener *dcl, |
142ca628 MAL |
225 | int x, int y, int w, int h) |
226 | { | |
d39a84b7 | 227 | #if defined(CONFIG_GBM) || defined(WIN32) |
f43bf0a7 | 228 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
d39a84b7 | 229 | #endif |
f43bf0a7 | 230 | |
cf283fb4 MAL |
231 | trace_dbus_update_gl(x, y, w, h); |
232 | ||
142ca628 | 233 | glFlush(); |
f43bf0a7 MAL |
234 | #ifdef CONFIG_GBM |
235 | graphic_hw_gl_block(ddl->dcl.con, true); | |
142ca628 MAL |
236 | qemu_dbus_display1_listener_call_update_dmabuf(ddl->proxy, |
237 | x, y, w, h, | |
238 | G_DBUS_CALL_FLAGS_NONE, | |
239 | DBUS_DEFAULT_TIMEOUT, NULL, | |
240 | dbus_update_gl_cb, | |
241 | g_object_ref(ddl)); | |
f43bf0a7 | 242 | #endif |
142ca628 | 243 | |
f43bf0a7 | 244 | #ifdef WIN32 |
de1f8ce0 MAL |
245 | switch (ddl->ds_share) { |
246 | case SHARE_KIND_MAPPED: | |
247 | egl_fb_read_rect(ddl->ds, &ddl->fb, x, y, w, h); | |
248 | dbus_gfx_update(dcl, x, y, w, h); | |
249 | break; | |
7b4a3f81 | 250 | case SHARE_KIND_D3DTEX: { |
de1f8ce0 MAL |
251 | Error *err = NULL; |
252 | assert(ddl->d3d_texture); | |
253 | ||
254 | graphic_hw_gl_block(ddl->dcl.con, true); | |
255 | if (!d3d_texture2d_release0(ddl->d3d_texture, &err)) { | |
256 | error_report_err(err); | |
257 | return; | |
258 | } | |
259 | qemu_dbus_display1_listener_win32_d3d11_call_update_texture2d( | |
260 | ddl->d3d11_proxy, | |
261 | x, y, w, h, | |
262 | G_DBUS_CALL_FLAGS_NONE, | |
263 | DBUS_DEFAULT_TIMEOUT, NULL, | |
264 | dbus_update_gl_cb, | |
265 | g_object_ref(ddl)); | |
266 | break; | |
7b4a3f81 | 267 | } |
de1f8ce0 MAL |
268 | default: |
269 | g_warn_if_reached(); | |
270 | } | |
f43bf0a7 | 271 | #endif |
142ca628 MAL |
272 | } |
273 | ||
f43bf0a7 | 274 | #ifdef CONFIG_GBM |
142ca628 MAL |
275 | static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, |
276 | QemuDmaBuf *dmabuf) | |
277 | { | |
278 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
279 | g_autoptr(GError) err = NULL; | |
280 | g_autoptr(GUnixFDList) fd_list = NULL; | |
281 | ||
282 | fd_list = g_unix_fd_list_new(); | |
283 | if (g_unix_fd_list_append(fd_list, dmabuf->fd, &err) != 0) { | |
284 | error_report("Failed to setup dmabuf fdlist: %s", err->message); | |
285 | return; | |
286 | } | |
287 | ||
fa88b85d MAL |
288 | ddl_discard_pending_messages(ddl); |
289 | ||
da1d066c | 290 | /* FIXME: add missing x/y/w/h support */ |
142ca628 MAL |
291 | qemu_dbus_display1_listener_call_scanout_dmabuf( |
292 | ddl->proxy, | |
293 | g_variant_new_handle(0), | |
294 | dmabuf->width, | |
295 | dmabuf->height, | |
296 | dmabuf->stride, | |
297 | dmabuf->fourcc, | |
298 | dmabuf->modifier, | |
299 | dmabuf->y0_top, | |
300 | G_DBUS_CALL_FLAGS_NONE, | |
301 | -1, | |
302 | fd_list, | |
303 | NULL, NULL, NULL); | |
304 | } | |
f43bf0a7 MAL |
305 | #endif /* GBM */ |
306 | #endif /* OPENGL */ | |
48dddba1 MAL |
307 | |
308 | #ifdef WIN32 | |
309 | static bool dbus_scanout_map(DBusDisplayListener *ddl) | |
310 | { | |
311 | g_autoptr(GError) err = NULL; | |
312 | BOOL success; | |
313 | HANDLE target_handle; | |
314 | ||
de1f8ce0 | 315 | if (ddl->ds_share == SHARE_KIND_MAPPED) { |
48dddba1 MAL |
316 | return true; |
317 | } | |
318 | ||
319 | if (!ddl->can_share_map || !ddl->ds->handle) { | |
320 | return false; | |
321 | } | |
322 | ||
323 | success = DuplicateHandle( | |
324 | GetCurrentProcess(), | |
325 | ddl->ds->handle, | |
326 | ddl->peer_process, | |
327 | &target_handle, | |
328 | FILE_MAP_READ | SECTION_QUERY, | |
329 | FALSE, 0); | |
330 | if (!success) { | |
331 | g_autofree char *msg = g_win32_error_message(GetLastError()); | |
332 | g_debug("Failed to DuplicateHandle: %s", msg); | |
333 | ddl->can_share_map = false; | |
334 | return false; | |
335 | } | |
336 | ||
fa88b85d MAL |
337 | ddl_discard_pending_messages(ddl); |
338 | ||
48dddba1 MAL |
339 | if (!qemu_dbus_display1_listener_win32_map_call_scanout_map_sync( |
340 | ddl->map_proxy, | |
341 | GPOINTER_TO_UINT(target_handle), | |
342 | ddl->ds->handle_offset, | |
343 | surface_width(ddl->ds), | |
344 | surface_height(ddl->ds), | |
345 | surface_stride(ddl->ds), | |
346 | surface_format(ddl->ds), | |
347 | G_DBUS_CALL_FLAGS_NONE, | |
348 | DBUS_DEFAULT_TIMEOUT, | |
349 | NULL, | |
350 | &err)) { | |
351 | g_debug("Failed to call ScanoutMap: %s", err->message); | |
352 | ddl->can_share_map = false; | |
353 | return false; | |
354 | } | |
355 | ||
de1f8ce0 MAL |
356 | ddl->ds_share = SHARE_KIND_MAPPED; |
357 | ||
358 | return true; | |
359 | } | |
360 | ||
866b24e4 | 361 | #ifdef CONFIG_OPENGL |
de1f8ce0 MAL |
362 | static bool |
363 | dbus_scanout_share_d3d_texture( | |
364 | DBusDisplayListener *ddl, | |
365 | ID3D11Texture2D *tex, | |
366 | bool backing_y_0_top, | |
367 | uint32_t backing_width, | |
368 | uint32_t backing_height, | |
369 | uint32_t x, uint32_t y, | |
370 | uint32_t w, uint32_t h) | |
371 | { | |
372 | Error *err = NULL; | |
373 | BOOL success; | |
374 | HANDLE share_handle, target_handle; | |
375 | ||
376 | if (!d3d_texture2d_release0(tex, &err)) { | |
377 | error_report_err(err); | |
378 | return false; | |
379 | } | |
380 | ||
381 | if (!d3d_texture2d_share(tex, &share_handle, &err)) { | |
382 | error_report_err(err); | |
383 | return false; | |
384 | } | |
385 | ||
386 | success = DuplicateHandle( | |
387 | GetCurrentProcess(), | |
388 | share_handle, | |
389 | ddl->peer_process, | |
390 | &target_handle, | |
391 | 0, | |
392 | FALSE, DUPLICATE_SAME_ACCESS); | |
393 | if (!success) { | |
394 | g_autofree char *msg = g_win32_error_message(GetLastError()); | |
395 | g_debug("Failed to DuplicateHandle: %s", msg); | |
396 | CloseHandle(share_handle); | |
397 | return false; | |
398 | } | |
399 | ||
fa88b85d MAL |
400 | ddl_discard_pending_messages(ddl); |
401 | ||
de1f8ce0 MAL |
402 | qemu_dbus_display1_listener_win32_d3d11_call_scanout_texture2d( |
403 | ddl->d3d11_proxy, | |
404 | GPOINTER_TO_INT(target_handle), | |
405 | backing_width, | |
406 | backing_height, | |
407 | backing_y_0_top, | |
408 | x, y, w, h, | |
409 | G_DBUS_CALL_FLAGS_NONE, | |
410 | -1, | |
411 | NULL, NULL, NULL); | |
412 | ||
413 | CloseHandle(share_handle); | |
414 | ||
415 | if (!d3d_texture2d_acquire0(tex, &err)) { | |
416 | error_report_err(err); | |
417 | return false; | |
418 | } | |
419 | ||
420 | ddl->d3d_texture = tex; | |
421 | ddl->ds_share = SHARE_KIND_D3DTEX; | |
48dddba1 MAL |
422 | |
423 | return true; | |
424 | } | |
866b24e4 MAL |
425 | #endif /* CONFIG_OPENGL */ |
426 | #endif /* WIN32 */ | |
142ca628 | 427 | |
f43bf0a7 | 428 | #ifdef CONFIG_OPENGL |
142ca628 MAL |
429 | static void dbus_scanout_texture(DisplayChangeListener *dcl, |
430 | uint32_t tex_id, | |
431 | bool backing_y_0_top, | |
432 | uint32_t backing_width, | |
433 | uint32_t backing_height, | |
434 | uint32_t x, uint32_t y, | |
bf41ab61 MAL |
435 | uint32_t w, uint32_t h, |
436 | void *d3d_tex2d) | |
142ca628 | 437 | { |
cf283fb4 MAL |
438 | trace_dbus_scanout_texture(tex_id, backing_y_0_top, |
439 | backing_width, backing_height, x, y, w, h); | |
f43bf0a7 | 440 | #ifdef CONFIG_GBM |
142ca628 | 441 | QemuDmaBuf dmabuf = { |
9ac06df8 DK |
442 | .width = w, |
443 | .height = h, | |
142ca628 | 444 | .y0_top = backing_y_0_top, |
da1d066c MAL |
445 | .x = x, |
446 | .y = y, | |
9ac06df8 DK |
447 | .backing_width = backing_width, |
448 | .backing_height = backing_height, | |
142ca628 MAL |
449 | }; |
450 | ||
451 | assert(tex_id); | |
452 | dmabuf.fd = egl_get_fd_for_texture( | |
453 | tex_id, (EGLint *)&dmabuf.stride, | |
454 | (EGLint *)&dmabuf.fourcc, | |
455 | &dmabuf.modifier); | |
456 | if (dmabuf.fd < 0) { | |
457 | error_report("%s: failed to get fd for texture", __func__); | |
458 | return; | |
459 | } | |
460 | ||
461 | dbus_scanout_dmabuf(dcl, &dmabuf); | |
462 | close(dmabuf.fd); | |
f43bf0a7 MAL |
463 | #endif |
464 | ||
465 | #ifdef WIN32 | |
466 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
467 | ||
468 | /* there must be a matching gfx_switch before */ | |
469 | assert(surface_width(ddl->ds) == w); | |
470 | assert(surface_height(ddl->ds) == h); | |
de1f8ce0 MAL |
471 | |
472 | if (d3d_tex2d) { | |
473 | dbus_scanout_share_d3d_texture(ddl, d3d_tex2d, backing_y_0_top, | |
474 | backing_width, backing_height, x, y, w, h); | |
475 | } else { | |
476 | dbus_scanout_map(ddl); | |
477 | egl_fb_setup_for_tex(&ddl->fb, backing_width, backing_height, tex_id, false); | |
478 | } | |
f43bf0a7 | 479 | #endif |
142ca628 MAL |
480 | } |
481 | ||
f43bf0a7 | 482 | #ifdef CONFIG_GBM |
142ca628 MAL |
483 | static void dbus_cursor_dmabuf(DisplayChangeListener *dcl, |
484 | QemuDmaBuf *dmabuf, bool have_hot, | |
485 | uint32_t hot_x, uint32_t hot_y) | |
486 | { | |
487 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
488 | DisplaySurface *ds; | |
489 | GVariant *v_data = NULL; | |
8bb6af67 | 490 | egl_fb cursor_fb = EGL_FB_INIT; |
142ca628 MAL |
491 | |
492 | if (!dmabuf) { | |
493 | qemu_dbus_display1_listener_call_mouse_set( | |
494 | ddl->proxy, 0, 0, false, | |
495 | G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); | |
496 | return; | |
497 | } | |
498 | ||
499 | egl_dmabuf_import_texture(dmabuf); | |
500 | if (!dmabuf->texture) { | |
501 | return; | |
502 | } | |
503 | egl_fb_setup_for_tex(&cursor_fb, dmabuf->width, dmabuf->height, | |
504 | dmabuf->texture, false); | |
505 | ds = qemu_create_displaysurface(dmabuf->width, dmabuf->height); | |
506 | egl_fb_read(ds, &cursor_fb); | |
507 | ||
508 | v_data = g_variant_new_from_data( | |
509 | G_VARIANT_TYPE("ay"), | |
510 | surface_data(ds), | |
511 | surface_width(ds) * surface_height(ds) * 4, | |
512 | TRUE, | |
513 | (GDestroyNotify)qemu_free_displaysurface, | |
514 | ds); | |
515 | qemu_dbus_display1_listener_call_cursor_define( | |
516 | ddl->proxy, | |
517 | surface_width(ds), | |
518 | surface_height(ds), | |
519 | hot_x, | |
520 | hot_y, | |
521 | v_data, | |
522 | G_DBUS_CALL_FLAGS_NONE, | |
523 | -1, | |
524 | NULL, | |
525 | NULL, | |
526 | NULL); | |
527 | } | |
528 | ||
f43bf0a7 MAL |
529 | static void dbus_release_dmabuf(DisplayChangeListener *dcl, |
530 | QemuDmaBuf *dmabuf) | |
531 | { | |
532 | dbus_scanout_disable(dcl); | |
533 | } | |
534 | #endif /* GBM */ | |
535 | ||
536 | static void dbus_gl_cursor_position(DisplayChangeListener *dcl, | |
142ca628 MAL |
537 | uint32_t pos_x, uint32_t pos_y) |
538 | { | |
539 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
540 | ||
541 | qemu_dbus_display1_listener_call_mouse_set( | |
542 | ddl->proxy, pos_x, pos_y, true, | |
543 | G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); | |
544 | } | |
545 | ||
142ca628 MAL |
546 | static void dbus_scanout_update(DisplayChangeListener *dcl, |
547 | uint32_t x, uint32_t y, | |
548 | uint32_t w, uint32_t h) | |
549 | { | |
f43bf0a7 | 550 | dbus_call_update_gl(dcl, x, y, w, h); |
142ca628 MAL |
551 | } |
552 | ||
553 | static void dbus_gl_refresh(DisplayChangeListener *dcl) | |
554 | { | |
555 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
556 | ||
557 | graphic_hw_update(dcl->con); | |
558 | ||
559 | if (!ddl->ds || qemu_console_is_gl_blocked(ddl->dcl.con)) { | |
560 | return; | |
561 | } | |
562 | ||
949c084a | 563 | #ifdef CONFIG_PIXMAN |
7007e98c BE |
564 | int n_rects = pixman_region32_n_rects(&ddl->gl_damage); |
565 | ||
566 | for (int i = 0; i < n_rects; i++) { | |
567 | pixman_box32_t *box; | |
568 | box = pixman_region32_rectangles(&ddl->gl_damage, NULL) + i; | |
569 | /* TODO: Add a UpdateList call to send multiple updates at once */ | |
570 | dbus_call_update_gl(dcl, box->x1, box->y1, | |
571 | box->x2 - box->x1, box->y2 - box->y1); | |
142ca628 | 572 | } |
7007e98c | 573 | pixman_region32_clear(&ddl->gl_damage); |
949c084a MAL |
574 | #else |
575 | if (ddl->gl_damage) { | |
576 | dbus_call_update_gl(dcl, 0, 0, | |
577 | surface_width(ddl->ds), surface_height(ddl->ds)); | |
578 | ddl->gl_damage = 0; | |
579 | } | |
580 | #endif | |
142ca628 | 581 | } |
f43bf0a7 | 582 | #endif /* OPENGL */ |
142ca628 MAL |
583 | |
584 | static void dbus_refresh(DisplayChangeListener *dcl) | |
585 | { | |
586 | graphic_hw_update(dcl->con); | |
587 | } | |
588 | ||
f43bf0a7 | 589 | #ifdef CONFIG_OPENGL |
142ca628 MAL |
590 | static void dbus_gl_gfx_update(DisplayChangeListener *dcl, |
591 | int x, int y, int w, int h) | |
592 | { | |
593 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
594 | ||
949c084a | 595 | #ifdef CONFIG_PIXMAN |
7007e98c BE |
596 | pixman_region32_t rect_region; |
597 | pixman_region32_init_rect(&rect_region, x, y, w, h); | |
598 | pixman_region32_union(&ddl->gl_damage, &ddl->gl_damage, &rect_region); | |
599 | pixman_region32_fini(&rect_region); | |
949c084a MAL |
600 | #else |
601 | ddl->gl_damage++; | |
602 | #endif | |
142ca628 | 603 | } |
84a0a2ef | 604 | #endif |
142ca628 | 605 | |
949c084a MAL |
606 | static void dbus_gfx_update_sub(DBusDisplayListener *ddl, |
607 | int x, int y, int w, int h) | |
608 | { | |
609 | pixman_image_t *img; | |
610 | size_t stride; | |
611 | GVariant *v_data; | |
612 | ||
613 | /* make a copy, since gvariant only handles linear data */ | |
614 | stride = w * DIV_ROUND_UP(PIXMAN_FORMAT_BPP(surface_format(ddl->ds)), 8); | |
615 | img = pixman_image_create_bits(surface_format(ddl->ds), | |
616 | w, h, NULL, stride); | |
617 | #ifdef CONFIG_PIXMAN | |
618 | pixman_image_composite(PIXMAN_OP_SRC, ddl->ds->image, NULL, img, | |
619 | x, y, 0, 0, 0, 0, w, h); | |
620 | #else | |
621 | { | |
622 | uint8_t *src = (uint8_t *)pixman_image_get_data(ddl->ds->image); | |
623 | uint8_t *dst = (uint8_t *)pixman_image_get_data(img); | |
624 | int bp = PIXMAN_FORMAT_BPP(surface_format(ddl->ds)) / 8; | |
625 | int hh; | |
626 | ||
627 | for (hh = 0; hh < h; hh++) { | |
628 | memcpy(&dst[stride * hh], | |
629 | &src[surface_stride(ddl->ds) * (hh + y) + x * bp], | |
630 | stride); | |
631 | } | |
632 | } | |
633 | #endif | |
634 | v_data = g_variant_new_from_data( | |
635 | G_VARIANT_TYPE("ay"), | |
636 | pixman_image_get_data(img), | |
637 | pixman_image_get_stride(img) * h, | |
638 | TRUE, | |
639 | (GDestroyNotify)pixman_image_unref, | |
640 | img); | |
641 | qemu_dbus_display1_listener_call_update(ddl->proxy, | |
642 | x, y, w, h, pixman_image_get_stride(img), pixman_image_get_format(img), | |
643 | v_data, | |
644 | G_DBUS_CALL_FLAGS_NONE, | |
645 | DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL); | |
646 | } | |
647 | ||
7945576c MAL |
648 | static void ddl_scanout(DBusDisplayListener *ddl) |
649 | { | |
650 | GVariant *v_data; | |
651 | ||
652 | v_data = g_variant_new_from_data( | |
653 | G_VARIANT_TYPE("ay"), surface_data(ddl->ds), | |
654 | surface_stride(ddl->ds) * surface_height(ddl->ds), TRUE, | |
655 | (GDestroyNotify)pixman_image_unref, pixman_image_ref(ddl->ds->image)); | |
656 | ||
fa88b85d MAL |
657 | ddl_discard_pending_messages(ddl); |
658 | ||
7945576c MAL |
659 | qemu_dbus_display1_listener_call_scanout( |
660 | ddl->proxy, surface_width(ddl->ds), surface_height(ddl->ds), | |
661 | surface_stride(ddl->ds), surface_format(ddl->ds), v_data, | |
662 | G_DBUS_CALL_FLAGS_NONE, DBUS_DEFAULT_TIMEOUT, NULL, NULL, | |
663 | g_object_ref(ddl)); | |
664 | } | |
665 | ||
142ca628 MAL |
666 | static void dbus_gfx_update(DisplayChangeListener *dcl, |
667 | int x, int y, int w, int h) | |
668 | { | |
669 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
142ca628 MAL |
670 | |
671 | assert(ddl->ds); | |
142ca628 MAL |
672 | |
673 | trace_dbus_update(x, y, w, h); | |
674 | ||
48dddba1 MAL |
675 | #ifdef WIN32 |
676 | if (dbus_scanout_map(ddl)) { | |
677 | qemu_dbus_display1_listener_win32_map_call_update_map( | |
678 | ddl->map_proxy, | |
679 | x, y, w, h, | |
680 | G_DBUS_CALL_FLAGS_NONE, | |
681 | DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL); | |
682 | return; | |
683 | } | |
684 | #endif | |
685 | ||
2fa2386e | 686 | if (x == 0 && y == 0 && w == surface_width(ddl->ds) && h == surface_height(ddl->ds)) { |
7945576c | 687 | return ddl_scanout(ddl); |
2fa2386e MAL |
688 | } |
689 | ||
949c084a | 690 | dbus_gfx_update_sub(ddl, x, y, w, h); |
142ca628 MAL |
691 | } |
692 | ||
f43bf0a7 | 693 | #ifdef CONFIG_OPENGL |
142ca628 MAL |
694 | static void dbus_gl_gfx_switch(DisplayChangeListener *dcl, |
695 | struct DisplaySurface *new_surface) | |
696 | { | |
697 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
698 | ||
cf283fb4 MAL |
699 | trace_dbus_gl_gfx_switch(new_surface); |
700 | ||
142ca628 | 701 | ddl->ds = new_surface; |
de1f8ce0 | 702 | ddl->ds_share = SHARE_KIND_NONE; |
142ca628 MAL |
703 | if (ddl->ds) { |
704 | int width = surface_width(ddl->ds); | |
705 | int height = surface_height(ddl->ds); | |
706 | ||
142ca628 MAL |
707 | /* TODO: lazy send dmabuf (there are unnecessary sent otherwise) */ |
708 | dbus_scanout_texture(&ddl->dcl, ddl->ds->texture, false, | |
bf41ab61 | 709 | width, height, 0, 0, width, height, NULL); |
142ca628 MAL |
710 | } |
711 | } | |
84a0a2ef | 712 | #endif |
142ca628 MAL |
713 | |
714 | static void dbus_gfx_switch(DisplayChangeListener *dcl, | |
715 | struct DisplaySurface *new_surface) | |
716 | { | |
717 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
142ca628 MAL |
718 | |
719 | ddl->ds = new_surface; | |
de1f8ce0 | 720 | ddl->ds_share = SHARE_KIND_NONE; |
142ca628 MAL |
721 | } |
722 | ||
723 | static void dbus_mouse_set(DisplayChangeListener *dcl, | |
724 | int x, int y, int on) | |
725 | { | |
726 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
727 | ||
728 | qemu_dbus_display1_listener_call_mouse_set( | |
729 | ddl->proxy, x, y, on, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); | |
730 | } | |
731 | ||
732 | static void dbus_cursor_define(DisplayChangeListener *dcl, | |
733 | QEMUCursor *c) | |
734 | { | |
735 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); | |
736 | GVariant *v_data = NULL; | |
737 | ||
142ca628 MAL |
738 | v_data = g_variant_new_from_data( |
739 | G_VARIANT_TYPE("ay"), | |
740 | c->data, | |
741 | c->width * c->height * 4, | |
742 | TRUE, | |
f4579e28 | 743 | (GDestroyNotify)cursor_unref, |
2512a026 | 744 | cursor_ref(c)); |
142ca628 MAL |
745 | |
746 | qemu_dbus_display1_listener_call_cursor_define( | |
747 | ddl->proxy, | |
748 | c->width, | |
749 | c->height, | |
750 | c->hot_x, | |
751 | c->hot_y, | |
752 | v_data, | |
753 | G_DBUS_CALL_FLAGS_NONE, | |
754 | -1, | |
755 | NULL, | |
756 | NULL, | |
757 | NULL); | |
758 | } | |
759 | ||
f43bf0a7 | 760 | #ifdef CONFIG_OPENGL |
142ca628 MAL |
761 | const DisplayChangeListenerOps dbus_gl_dcl_ops = { |
762 | .dpy_name = "dbus-gl", | |
763 | .dpy_gfx_update = dbus_gl_gfx_update, | |
764 | .dpy_gfx_switch = dbus_gl_gfx_switch, | |
765 | .dpy_gfx_check_format = console_gl_check_format, | |
766 | .dpy_refresh = dbus_gl_refresh, | |
767 | .dpy_mouse_set = dbus_mouse_set, | |
768 | .dpy_cursor_define = dbus_cursor_define, | |
769 | ||
770 | .dpy_gl_scanout_disable = dbus_scanout_disable, | |
771 | .dpy_gl_scanout_texture = dbus_scanout_texture, | |
f43bf0a7 | 772 | #ifdef CONFIG_GBM |
142ca628 MAL |
773 | .dpy_gl_scanout_dmabuf = dbus_scanout_dmabuf, |
774 | .dpy_gl_cursor_dmabuf = dbus_cursor_dmabuf, | |
142ca628 | 775 | .dpy_gl_release_dmabuf = dbus_release_dmabuf, |
f43bf0a7 MAL |
776 | #endif |
777 | .dpy_gl_cursor_position = dbus_gl_cursor_position, | |
142ca628 MAL |
778 | .dpy_gl_update = dbus_scanout_update, |
779 | }; | |
84a0a2ef | 780 | #endif |
142ca628 MAL |
781 | |
782 | const DisplayChangeListenerOps dbus_dcl_ops = { | |
783 | .dpy_name = "dbus", | |
784 | .dpy_gfx_update = dbus_gfx_update, | |
785 | .dpy_gfx_switch = dbus_gfx_switch, | |
786 | .dpy_refresh = dbus_refresh, | |
787 | .dpy_mouse_set = dbus_mouse_set, | |
788 | .dpy_cursor_define = dbus_cursor_define, | |
789 | }; | |
790 | ||
791 | static void | |
792 | dbus_display_listener_dispose(GObject *object) | |
793 | { | |
794 | DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(object); | |
795 | ||
796 | unregister_displaychangelistener(&ddl->dcl); | |
797 | g_clear_object(&ddl->conn); | |
798 | g_clear_pointer(&ddl->bus_name, g_free); | |
799 | g_clear_object(&ddl->proxy); | |
48dddba1 MAL |
800 | #ifdef WIN32 |
801 | g_clear_object(&ddl->map_proxy); | |
de1f8ce0 | 802 | g_clear_object(&ddl->d3d11_proxy); |
48dddba1 | 803 | g_clear_pointer(&ddl->peer_process, CloseHandle); |
949c084a | 804 | #ifdef CONFIG_PIXMAN |
7007e98c | 805 | pixman_region32_fini(&ddl->gl_damage); |
949c084a MAL |
806 | #endif |
807 | #ifdef CONFIG_OPENGL | |
f43bf0a7 MAL |
808 | egl_fb_destroy(&ddl->fb); |
809 | #endif | |
48dddba1 | 810 | #endif |
142ca628 MAL |
811 | |
812 | G_OBJECT_CLASS(dbus_display_listener_parent_class)->dispose(object); | |
813 | } | |
814 | ||
815 | static void | |
816 | dbus_display_listener_constructed(GObject *object) | |
817 | { | |
818 | DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(object); | |
819 | ||
84a0a2ef | 820 | ddl->dcl.ops = &dbus_dcl_ops; |
f43bf0a7 | 821 | #ifdef CONFIG_OPENGL |
142ca628 | 822 | if (display_opengl) { |
142ca628 | 823 | ddl->dcl.ops = &dbus_gl_dcl_ops; |
142ca628 | 824 | } |
84a0a2ef | 825 | #endif |
142ca628 MAL |
826 | |
827 | G_OBJECT_CLASS(dbus_display_listener_parent_class)->constructed(object); | |
828 | } | |
829 | ||
830 | static void | |
831 | dbus_display_listener_class_init(DBusDisplayListenerClass *klass) | |
832 | { | |
833 | GObjectClass *object_class = G_OBJECT_CLASS(klass); | |
834 | ||
835 | object_class->dispose = dbus_display_listener_dispose; | |
836 | object_class->constructed = dbus_display_listener_constructed; | |
837 | } | |
838 | ||
839 | static void | |
840 | dbus_display_listener_init(DBusDisplayListener *ddl) | |
841 | { | |
949c084a | 842 | #ifdef CONFIG_PIXMAN |
7007e98c BE |
843 | pixman_region32_init(&ddl->gl_damage); |
844 | #endif | |
142ca628 MAL |
845 | } |
846 | ||
847 | const char * | |
848 | dbus_display_listener_get_bus_name(DBusDisplayListener *ddl) | |
849 | { | |
99997823 | 850 | return ddl->bus_name ?: "p2p"; |
142ca628 MAL |
851 | } |
852 | ||
853 | DBusDisplayConsole * | |
854 | dbus_display_listener_get_console(DBusDisplayListener *ddl) | |
855 | { | |
856 | return ddl->console; | |
857 | } | |
858 | ||
48dddba1 MAL |
859 | #ifdef WIN32 |
860 | static bool | |
861 | dbus_display_listener_implements(DBusDisplayListener *ddl, const char *iface) | |
862 | { | |
863 | QemuDBusDisplay1Listener *l = QEMU_DBUS_DISPLAY1_LISTENER(ddl->proxy); | |
864 | bool implements; | |
865 | ||
866 | implements = g_strv_contains(qemu_dbus_display1_listener_get_interfaces(l), iface); | |
867 | if (!implements) { | |
868 | g_debug("Display listener does not implement: `%s`", iface); | |
869 | } | |
870 | ||
871 | return implements; | |
872 | } | |
48dddba1 | 873 | |
de1f8ce0 MAL |
874 | static bool |
875 | dbus_display_listener_setup_peer_process(DBusDisplayListener *ddl) | |
48dddba1 | 876 | { |
48dddba1 MAL |
877 | g_autoptr(GError) err = NULL; |
878 | GDBusConnection *conn; | |
879 | GIOStream *stream; | |
880 | GSocket *sock; | |
881 | g_autoptr(GCredentials) creds = NULL; | |
882 | DWORD *pid; | |
883 | ||
de1f8ce0 MAL |
884 | if (ddl->peer_process) { |
885 | return true; | |
48dddba1 MAL |
886 | } |
887 | ||
888 | conn = g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy)); | |
889 | stream = g_dbus_connection_get_stream(conn); | |
890 | ||
891 | if (!G_IS_UNIX_CONNECTION(stream)) { | |
de1f8ce0 | 892 | return false; |
48dddba1 MAL |
893 | } |
894 | ||
895 | sock = g_socket_connection_get_socket(G_SOCKET_CONNECTION(stream)); | |
896 | creds = g_socket_get_credentials(sock, &err); | |
897 | ||
898 | if (!creds) { | |
899 | g_debug("Failed to get peer credentials: %s", err->message); | |
de1f8ce0 | 900 | return false; |
48dddba1 MAL |
901 | } |
902 | ||
903 | pid = g_credentials_get_native(creds, G_CREDENTIALS_TYPE_WIN32_PID); | |
904 | ||
905 | if (pid == NULL) { | |
906 | g_debug("Failed to get peer PID"); | |
de1f8ce0 | 907 | return false; |
48dddba1 MAL |
908 | } |
909 | ||
910 | ddl->peer_process = OpenProcess( | |
911 | PROCESS_DUP_HANDLE | PROCESS_QUERY_INFORMATION, | |
912 | false, *pid); | |
913 | ||
914 | if (!ddl->peer_process) { | |
915 | g_autofree char *msg = g_win32_error_message(GetLastError()); | |
916 | g_debug("Failed to OpenProcess: %s", msg); | |
de1f8ce0 MAL |
917 | return false; |
918 | } | |
919 | ||
920 | return true; | |
921 | } | |
922 | #endif | |
923 | ||
924 | static void | |
925 | dbus_display_listener_setup_d3d11(DBusDisplayListener *ddl) | |
926 | { | |
927 | #ifdef WIN32 | |
928 | g_autoptr(GError) err = NULL; | |
929 | ||
930 | if (!dbus_display_listener_implements(ddl, | |
931 | "org.qemu.Display1.Listener.Win32.D3d11")) { | |
932 | return; | |
933 | } | |
934 | ||
935 | if (!dbus_display_listener_setup_peer_process(ddl)) { | |
936 | return; | |
937 | } | |
938 | ||
939 | ddl->d3d11_proxy = | |
940 | qemu_dbus_display1_listener_win32_d3d11_proxy_new_sync(ddl->conn, | |
941 | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, | |
942 | NULL, | |
943 | "/org/qemu/Display1/Listener", | |
944 | NULL, | |
945 | &err); | |
946 | if (!ddl->d3d11_proxy) { | |
947 | g_debug("Failed to setup win32 d3d11 proxy: %s", err->message); | |
948 | return; | |
949 | } | |
950 | #endif | |
951 | } | |
952 | ||
953 | static void | |
954 | dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl) | |
955 | { | |
956 | #ifdef WIN32 | |
957 | g_autoptr(GError) err = NULL; | |
958 | ||
959 | if (!dbus_display_listener_implements(ddl, "org.qemu.Display1.Listener.Win32.Map")) { | |
960 | return; | |
961 | } | |
962 | ||
963 | if (!dbus_display_listener_setup_peer_process(ddl)) { | |
48dddba1 MAL |
964 | return; |
965 | } | |
966 | ||
967 | ddl->map_proxy = | |
de1f8ce0 | 968 | qemu_dbus_display1_listener_win32_map_proxy_new_sync(ddl->conn, |
48dddba1 MAL |
969 | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, |
970 | NULL, | |
971 | "/org/qemu/Display1/Listener", | |
972 | NULL, | |
973 | &err); | |
974 | if (!ddl->map_proxy) { | |
975 | g_debug("Failed to setup win32 map proxy: %s", err->message); | |
976 | return; | |
977 | } | |
978 | ||
979 | ddl->can_share_map = true; | |
980 | #endif | |
981 | } | |
982 | ||
fa88b85d MAL |
983 | static GDBusMessage * |
984 | dbus_filter(GDBusConnection *connection, | |
985 | GDBusMessage *message, | |
986 | gboolean incoming, | |
987 | gpointer user_data) | |
988 | { | |
989 | DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(user_data); | |
990 | guint32 serial; | |
991 | ||
992 | if (incoming) { | |
993 | return message; | |
994 | } | |
995 | ||
996 | serial = g_dbus_message_get_serial(message); | |
997 | if (serial <= ddl->out_serial_to_discard) { | |
998 | trace_dbus_filter(serial, ddl->out_serial_to_discard); | |
999 | return NULL; | |
1000 | } | |
1001 | ||
1002 | return message; | |
1003 | } | |
1004 | ||
142ca628 MAL |
1005 | DBusDisplayListener * |
1006 | dbus_display_listener_new(const char *bus_name, | |
1007 | GDBusConnection *conn, | |
1008 | DBusDisplayConsole *console) | |
1009 | { | |
1010 | DBusDisplayListener *ddl; | |
1011 | QemuConsole *con; | |
1012 | g_autoptr(GError) err = NULL; | |
1013 | ||
1014 | ddl = g_object_new(DBUS_DISPLAY_TYPE_LISTENER, NULL); | |
1015 | ddl->proxy = | |
1016 | qemu_dbus_display1_listener_proxy_new_sync(conn, | |
1017 | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, | |
1018 | NULL, | |
1019 | "/org/qemu/Display1/Listener", | |
1020 | NULL, | |
1021 | &err); | |
1022 | if (!ddl->proxy) { | |
1023 | error_report("Failed to setup proxy: %s", err->message); | |
1024 | g_object_unref(conn); | |
1025 | g_object_unref(ddl); | |
1026 | return NULL; | |
1027 | } | |
1028 | ||
fa88b85d | 1029 | ddl->dbus_filter = g_dbus_connection_add_filter(conn, dbus_filter, g_object_ref(ddl), g_object_unref); |
142ca628 MAL |
1030 | ddl->bus_name = g_strdup(bus_name); |
1031 | ddl->conn = conn; | |
1032 | ddl->console = console; | |
1033 | ||
48dddba1 | 1034 | dbus_display_listener_setup_shared_map(ddl); |
de1f8ce0 | 1035 | dbus_display_listener_setup_d3d11(ddl); |
48dddba1 | 1036 | |
142ca628 MAL |
1037 | con = qemu_console_lookup_by_index(dbus_display_console_get_index(console)); |
1038 | assert(con); | |
1039 | ddl->dcl.con = con; | |
1040 | register_displaychangelistener(&ddl->dcl); | |
1041 | ||
1042 | return ddl; | |
1043 | } |