| 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" |
| 25 | #include "qemu/error-report.h" |
| 26 | #include "qapi/error.h" |
| 27 | #include "system/system.h" |
| 28 | #include "dbus.h" |
| 29 | #include "glib.h" |
| 30 | #ifdef G_OS_UNIX |
| 31 | #include <gio/gunixfdlist.h> |
| 32 | #endif |
| 33 | #ifdef WIN32 |
| 34 | #include <d3d11.h> |
| 35 | #include <dxgi1_2.h> |
| 36 | #endif |
| 37 | |
| 38 | #ifdef CONFIG_OPENGL |
| 39 | #include "ui/shader.h" |
| 40 | #include "ui/egl-helpers.h" |
| 41 | #include "ui/egl-context.h" |
| 42 | #include "ui/qemu-pixman.h" |
| 43 | #endif |
| 44 | #include "trace.h" |
| 45 | |
| 46 | static void dbus_gfx_switch(DisplayChangeListener *dcl, |
| 47 | struct DisplaySurface *new_surface); |
| 48 | |
| 49 | enum share_kind { |
| 50 | SHARE_KIND_NONE, |
| 51 | SHARE_KIND_MAPPED, |
| 52 | SHARE_KIND_D3DTEX, |
| 53 | }; |
| 54 | |
| 55 | struct _DBusDisplayListener { |
| 56 | GObject parent; |
| 57 | |
| 58 | char *bus_name; |
| 59 | DBusDisplayConsole *console; |
| 60 | GDBusConnection *conn; |
| 61 | |
| 62 | QemuDBusDisplay1Listener *proxy; |
| 63 | |
| 64 | #ifdef CONFIG_PIXMAN |
| 65 | /* Keep track of the damage region */ |
| 66 | pixman_region32_t gl_damage; |
| 67 | #else |
| 68 | int gl_damage; |
| 69 | #endif |
| 70 | |
| 71 | DisplayChangeListener dcl; |
| 72 | DisplaySurface *ds; |
| 73 | enum share_kind ds_share; |
| 74 | |
| 75 | bool ds_mapped; |
| 76 | bool can_share_map; |
| 77 | |
| 78 | #ifdef WIN32 |
| 79 | QemuDBusDisplay1ListenerWin32Map *map_proxy; |
| 80 | QemuDBusDisplay1ListenerWin32D3d11 *d3d11_proxy; |
| 81 | HANDLE peer_process; |
| 82 | ID3D11Texture2D *d3d_texture; |
| 83 | #ifdef CONFIG_OPENGL |
| 84 | egl_fb fb; |
| 85 | #endif |
| 86 | #else /* !WIN32 */ |
| 87 | QemuDBusDisplay1ListenerUnixMap *map_proxy; |
| 88 | QemuDBusDisplay1ListenerUnixScanoutDMABUF2 *scanout_dmabuf_v2_proxy; |
| 89 | #endif |
| 90 | |
| 91 | guint dbus_filter; |
| 92 | guint32 display_serial_to_discard; |
| 93 | guint32 cursor_serial_to_discard; |
| 94 | }; |
| 95 | |
| 96 | G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listener, G_TYPE_OBJECT) |
| 97 | |
| 98 | static void dbus_gfx_update(DisplayChangeListener *dcl, |
| 99 | int x, int y, int w, int h); |
| 100 | |
| 101 | static void ddl_discard_display_messages(DBusDisplayListener *ddl) |
| 102 | { |
| 103 | guint32 serial = g_dbus_connection_get_last_serial( |
| 104 | g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy))); |
| 105 | |
| 106 | g_atomic_int_set(&ddl->display_serial_to_discard, serial); |
| 107 | } |
| 108 | |
| 109 | static void ddl_discard_cursor_messages(DBusDisplayListener *ddl) |
| 110 | { |
| 111 | guint32 serial = g_dbus_connection_get_last_serial( |
| 112 | g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy))); |
| 113 | |
| 114 | g_atomic_int_set(&ddl->cursor_serial_to_discard, serial); |
| 115 | } |
| 116 | |
| 117 | #ifdef CONFIG_OPENGL |
| 118 | static void dbus_scanout_disable(DisplayChangeListener *dcl) |
| 119 | { |
| 120 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 121 | |
| 122 | ddl_discard_display_messages(ddl); |
| 123 | |
| 124 | qemu_dbus_display1_listener_call_disable( |
| 125 | ddl->proxy, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); |
| 126 | } |
| 127 | |
| 128 | #ifdef WIN32 |
| 129 | static bool d3d_texture2d_share(ID3D11Texture2D *d3d_texture, |
| 130 | HANDLE *handle, Error **errp) |
| 131 | { |
| 132 | IDXGIResource1 *dxgiResource = NULL; |
| 133 | HRESULT hr; |
| 134 | |
| 135 | hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture, |
| 136 | &IID_IDXGIResource1, |
| 137 | (void **)&dxgiResource); |
| 138 | if (FAILED(hr)) { |
| 139 | goto fail; |
| 140 | } |
| 141 | |
| 142 | hr = dxgiResource->lpVtbl->CreateSharedHandle( |
| 143 | dxgiResource, |
| 144 | NULL, |
| 145 | DXGI_SHARED_RESOURCE_READ | DXGI_SHARED_RESOURCE_WRITE, |
| 146 | NULL, |
| 147 | handle |
| 148 | ); |
| 149 | |
| 150 | dxgiResource->lpVtbl->Release(dxgiResource); |
| 151 | |
| 152 | if (SUCCEEDED(hr)) { |
| 153 | return true; |
| 154 | } |
| 155 | |
| 156 | fail: |
| 157 | error_setg_win32(errp, GetLastError(), "failed to create shared handle"); |
| 158 | return false; |
| 159 | } |
| 160 | |
| 161 | static bool d3d_texture2d_acquire0(ID3D11Texture2D *d3d_texture, Error **errp) |
| 162 | { |
| 163 | IDXGIKeyedMutex *dxgiMutex = NULL; |
| 164 | HRESULT hr; |
| 165 | |
| 166 | hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture, |
| 167 | &IID_IDXGIKeyedMutex, |
| 168 | (void **)&dxgiMutex); |
| 169 | if (FAILED(hr)) { |
| 170 | goto fail; |
| 171 | } |
| 172 | |
| 173 | hr = dxgiMutex->lpVtbl->AcquireSync(dxgiMutex, 0, INFINITE); |
| 174 | |
| 175 | dxgiMutex->lpVtbl->Release(dxgiMutex); |
| 176 | |
| 177 | if (SUCCEEDED(hr)) { |
| 178 | return true; |
| 179 | } |
| 180 | |
| 181 | fail: |
| 182 | error_setg_win32(errp, GetLastError(), "failed to acquire texture mutex"); |
| 183 | return false; |
| 184 | } |
| 185 | |
| 186 | static bool d3d_texture2d_release0(ID3D11Texture2D *d3d_texture, Error **errp) |
| 187 | { |
| 188 | IDXGIKeyedMutex *dxgiMutex = NULL; |
| 189 | HRESULT hr; |
| 190 | |
| 191 | hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture, |
| 192 | &IID_IDXGIKeyedMutex, |
| 193 | (void **)&dxgiMutex); |
| 194 | if (FAILED(hr)) { |
| 195 | goto fail; |
| 196 | } |
| 197 | |
| 198 | hr = dxgiMutex->lpVtbl->ReleaseSync(dxgiMutex, 0); |
| 199 | |
| 200 | dxgiMutex->lpVtbl->Release(dxgiMutex); |
| 201 | |
| 202 | if (SUCCEEDED(hr)) { |
| 203 | return true; |
| 204 | } |
| 205 | |
| 206 | fail: |
| 207 | error_setg_win32(errp, GetLastError(), "failed to release texture mutex"); |
| 208 | return false; |
| 209 | } |
| 210 | #endif /* WIN32 */ |
| 211 | |
| 212 | #if defined(CONFIG_GBM) || defined(WIN32) |
| 213 | static void dbus_update_gl_cb(GObject *source_object, |
| 214 | GAsyncResult *res, |
| 215 | gpointer user_data) |
| 216 | { |
| 217 | g_autoptr(GError) gerr = NULL; |
| 218 | #ifdef WIN32 |
| 219 | Error *err = NULL; |
| 220 | #endif |
| 221 | DBusDisplayListener *ddl = user_data; |
| 222 | bool success; |
| 223 | |
| 224 | #ifdef CONFIG_GBM |
| 225 | success = qemu_dbus_display1_listener_call_update_dmabuf_finish( |
| 226 | ddl->proxy, res, &gerr); |
| 227 | if (!success) { |
| 228 | error_report("Failed to call update: %s", gerr->message); |
| 229 | } |
| 230 | #endif |
| 231 | |
| 232 | #ifdef WIN32 |
| 233 | success = qemu_dbus_display1_listener_win32_d3d11_call_update_texture2d_finish( |
| 234 | ddl->d3d11_proxy, res, &gerr); |
| 235 | if (!success) { |
| 236 | error_report("Failed to call update: %s", gerr->message); |
| 237 | } |
| 238 | |
| 239 | if (!d3d_texture2d_acquire0(ddl->d3d_texture, &err)) { |
| 240 | error_report_err(err); |
| 241 | } |
| 242 | #endif |
| 243 | |
| 244 | qemu_console_hw_gl_block(ddl->dcl.con, false); |
| 245 | g_object_unref(ddl); |
| 246 | } |
| 247 | #endif |
| 248 | |
| 249 | static void dbus_call_update_gl(DisplayChangeListener *dcl, |
| 250 | int x, int y, int w, int h) |
| 251 | { |
| 252 | #if defined(CONFIG_GBM) || defined(WIN32) |
| 253 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 254 | #endif |
| 255 | |
| 256 | trace_dbus_update_gl(x, y, w, h); |
| 257 | |
| 258 | glFlush(); |
| 259 | #ifdef CONFIG_GBM |
| 260 | qemu_console_hw_gl_block(ddl->dcl.con, true); |
| 261 | qemu_dbus_display1_listener_call_update_dmabuf(ddl->proxy, |
| 262 | x, y, w, h, |
| 263 | G_DBUS_CALL_FLAGS_NONE, |
| 264 | DBUS_DEFAULT_TIMEOUT, NULL, |
| 265 | dbus_update_gl_cb, |
| 266 | g_object_ref(ddl)); |
| 267 | #endif |
| 268 | |
| 269 | #ifdef WIN32 |
| 270 | switch (ddl->ds_share) { |
| 271 | case SHARE_KIND_MAPPED: |
| 272 | egl_fb_read_rect(ddl->ds, &ddl->fb, x, y, w, h); |
| 273 | dbus_gfx_update(dcl, x, y, w, h); |
| 274 | break; |
| 275 | case SHARE_KIND_D3DTEX: { |
| 276 | Error *err = NULL; |
| 277 | assert(ddl->d3d_texture); |
| 278 | |
| 279 | qemu_console_hw_gl_block(ddl->dcl.con, true); |
| 280 | if (!d3d_texture2d_release0(ddl->d3d_texture, &err)) { |
| 281 | error_report_err(err); |
| 282 | return; |
| 283 | } |
| 284 | qemu_dbus_display1_listener_win32_d3d11_call_update_texture2d( |
| 285 | ddl->d3d11_proxy, |
| 286 | x, y, w, h, |
| 287 | G_DBUS_CALL_FLAGS_NONE, |
| 288 | DBUS_DEFAULT_TIMEOUT, NULL, |
| 289 | dbus_update_gl_cb, |
| 290 | g_object_ref(ddl)); |
| 291 | break; |
| 292 | } |
| 293 | default: |
| 294 | g_warn_if_reached(); |
| 295 | } |
| 296 | #endif |
| 297 | } |
| 298 | |
| 299 | #ifdef CONFIG_GBM |
| 300 | static void dbus_scanout_dmabuf_v1(DBusDisplayListener *ddl, |
| 301 | QemuDmaBuf *dmabuf) |
| 302 | { |
| 303 | g_autoptr(GError) err = NULL; |
| 304 | g_autoptr(GUnixFDList) fd_list = NULL; |
| 305 | int fd; |
| 306 | uint32_t width, height, stride, fourcc; |
| 307 | uint64_t modifier; |
| 308 | bool y0_top; |
| 309 | |
| 310 | fd = qemu_dmabuf_get_fds(dmabuf, NULL)[0]; |
| 311 | fd_list = g_unix_fd_list_new(); |
| 312 | if (g_unix_fd_list_append(fd_list, fd, &err) != 0) { |
| 313 | error_report("Failed to setup dmabuf fdlist: %s", err->message); |
| 314 | return; |
| 315 | } |
| 316 | |
| 317 | ddl_discard_display_messages(ddl); |
| 318 | |
| 319 | width = qemu_dmabuf_get_width(dmabuf); |
| 320 | height = qemu_dmabuf_get_height(dmabuf); |
| 321 | stride = qemu_dmabuf_get_strides(dmabuf, NULL)[0]; |
| 322 | fourcc = qemu_dmabuf_get_fourcc(dmabuf); |
| 323 | modifier = qemu_dmabuf_get_modifier(dmabuf); |
| 324 | y0_top = qemu_dmabuf_get_y0_top(dmabuf); |
| 325 | |
| 326 | /* FIXME: add missing x/y/w/h support */ |
| 327 | qemu_dbus_display1_listener_call_scanout_dmabuf( |
| 328 | ddl->proxy, g_variant_new_handle(0), |
| 329 | width, height, stride, fourcc, modifier, |
| 330 | y0_top, G_DBUS_CALL_FLAGS_NONE, |
| 331 | -1, fd_list, NULL, NULL, NULL); |
| 332 | } |
| 333 | |
| 334 | static void dbus_scanout_dmabuf_v2(DBusDisplayListener *ddl, |
| 335 | QemuDmaBuf *dmabuf) |
| 336 | { |
| 337 | g_autoptr(GError) err = NULL; |
| 338 | g_autoptr(GUnixFDList) fd_list = NULL; |
| 339 | int i, fd_index[DMABUF_MAX_PLANES], num_fds; |
| 340 | uint32_t x, y, width, height, fourcc, backing_width, backing_height; |
| 341 | GVariant *fd, *offset, *stride, *fd_handles[DMABUF_MAX_PLANES]; |
| 342 | uint64_t modifier; |
| 343 | bool y0_top; |
| 344 | int nfds, noffsets, nstrides; |
| 345 | const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds); |
| 346 | const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets); |
| 347 | const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides); |
| 348 | uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf); |
| 349 | |
| 350 | assert(nfds >= num_planes); |
| 351 | assert(noffsets >= num_planes); |
| 352 | assert(nstrides >= num_planes); |
| 353 | |
| 354 | fd_list = g_unix_fd_list_new(); |
| 355 | |
| 356 | for (num_fds = 0; num_fds < num_planes; num_fds++) { |
| 357 | int plane_fd = fds[num_fds]; |
| 358 | |
| 359 | if (plane_fd < 0) { |
| 360 | break; |
| 361 | } |
| 362 | |
| 363 | fd_index[num_fds] = g_unix_fd_list_append(fd_list, plane_fd, &err); |
| 364 | if (fd_index[num_fds] < 0) { |
| 365 | error_report("Failed to setup dmabuf fdlist: %s", err->message); |
| 366 | return; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | ddl_discard_display_messages(ddl); |
| 371 | |
| 372 | x = qemu_dmabuf_get_x(dmabuf); |
| 373 | y = qemu_dmabuf_get_y(dmabuf); |
| 374 | width = qemu_dmabuf_get_width(dmabuf); |
| 375 | height = qemu_dmabuf_get_height(dmabuf); |
| 376 | fourcc = qemu_dmabuf_get_fourcc(dmabuf); |
| 377 | backing_width = qemu_dmabuf_get_backing_width(dmabuf); |
| 378 | backing_height = qemu_dmabuf_get_backing_height(dmabuf); |
| 379 | modifier = qemu_dmabuf_get_modifier(dmabuf); |
| 380 | y0_top = qemu_dmabuf_get_y0_top(dmabuf); |
| 381 | |
| 382 | offset = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
| 383 | offsets, num_planes, sizeof(uint32_t)); |
| 384 | stride = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
| 385 | strides, num_planes, sizeof(uint32_t)); |
| 386 | |
| 387 | for (i = 0; i < num_fds; i++) { |
| 388 | fd_handles[i] = g_variant_new_handle(fd_index[i]); |
| 389 | } |
| 390 | fd = g_variant_new_array(G_VARIANT_TYPE_HANDLE, fd_handles, num_fds); |
| 391 | |
| 392 | qemu_dbus_display1_listener_unix_scanout_dmabuf2_call_scanout_dmabuf2( |
| 393 | ddl->scanout_dmabuf_v2_proxy, fd, x, y, width, height, offset, stride, |
| 394 | num_planes, fourcc, backing_width, backing_height, modifier, y0_top, |
| 395 | G_DBUS_CALL_FLAGS_NONE, -1, fd_list, NULL, NULL, NULL); |
| 396 | } |
| 397 | |
| 398 | static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, |
| 399 | QemuDmaBuf *dmabuf) |
| 400 | { |
| 401 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 402 | |
| 403 | if (ddl->scanout_dmabuf_v2_proxy) { |
| 404 | dbus_scanout_dmabuf_v2(ddl, dmabuf); |
| 405 | } else { |
| 406 | if (qemu_dmabuf_get_num_planes(dmabuf) > 1) { |
| 407 | g_debug("org.qemu.Display1.Listener.ScanoutDMABUF " |
| 408 | "does not support mutli plane"); |
| 409 | return; |
| 410 | } |
| 411 | dbus_scanout_dmabuf_v1(ddl, dmabuf); |
| 412 | } |
| 413 | } |
| 414 | #endif /* GBM */ |
| 415 | #endif /* OPENGL */ |
| 416 | |
| 417 | #ifdef WIN32 |
| 418 | static bool dbus_scanout_map(DBusDisplayListener *ddl) |
| 419 | { |
| 420 | g_autoptr(GError) err = NULL; |
| 421 | BOOL success; |
| 422 | HANDLE target_handle; |
| 423 | |
| 424 | if (ddl->ds_share == SHARE_KIND_MAPPED) { |
| 425 | return true; |
| 426 | } |
| 427 | |
| 428 | if (!ddl->can_share_map || !ddl->ds->share_handle) { |
| 429 | return false; |
| 430 | } |
| 431 | |
| 432 | success = DuplicateHandle( |
| 433 | GetCurrentProcess(), |
| 434 | ddl->ds->share_handle, |
| 435 | ddl->peer_process, |
| 436 | &target_handle, |
| 437 | FILE_MAP_READ | SECTION_QUERY, |
| 438 | FALSE, 0); |
| 439 | if (!success) { |
| 440 | g_autofree char *msg = g_win32_error_message(GetLastError()); |
| 441 | g_debug("Failed to DuplicateHandle: %s", msg); |
| 442 | ddl->can_share_map = false; |
| 443 | return false; |
| 444 | } |
| 445 | |
| 446 | ddl_discard_display_messages(ddl); |
| 447 | |
| 448 | if (!qemu_dbus_display1_listener_win32_map_call_scanout_map_sync( |
| 449 | ddl->map_proxy, |
| 450 | GPOINTER_TO_UINT(target_handle), |
| 451 | ddl->ds->share_handle_offset, |
| 452 | surface_width(ddl->ds), |
| 453 | surface_height(ddl->ds), |
| 454 | surface_stride(ddl->ds), |
| 455 | surface_format(ddl->ds), |
| 456 | G_DBUS_CALL_FLAGS_NONE, |
| 457 | DBUS_DEFAULT_TIMEOUT, |
| 458 | NULL, |
| 459 | &err)) { |
| 460 | g_debug("Failed to call ScanoutMap: %s", err->message); |
| 461 | ddl->can_share_map = false; |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | ddl->ds_share = SHARE_KIND_MAPPED; |
| 466 | |
| 467 | return true; |
| 468 | } |
| 469 | |
| 470 | #ifdef CONFIG_OPENGL |
| 471 | static bool |
| 472 | dbus_scanout_share_d3d_texture( |
| 473 | DBusDisplayListener *ddl, |
| 474 | ID3D11Texture2D *tex, |
| 475 | bool backing_y_0_top, |
| 476 | uint32_t backing_width, |
| 477 | uint32_t backing_height, |
| 478 | uint32_t x, uint32_t y, |
| 479 | uint32_t w, uint32_t h) |
| 480 | { |
| 481 | Error *err = NULL; |
| 482 | BOOL success; |
| 483 | HANDLE share_handle, target_handle; |
| 484 | |
| 485 | if (!d3d_texture2d_release0(tex, &err)) { |
| 486 | error_report_err(err); |
| 487 | return false; |
| 488 | } |
| 489 | |
| 490 | if (!d3d_texture2d_share(tex, &share_handle, &err)) { |
| 491 | error_report_err(err); |
| 492 | return false; |
| 493 | } |
| 494 | |
| 495 | success = DuplicateHandle( |
| 496 | GetCurrentProcess(), |
| 497 | share_handle, |
| 498 | ddl->peer_process, |
| 499 | &target_handle, |
| 500 | 0, |
| 501 | FALSE, DUPLICATE_SAME_ACCESS); |
| 502 | if (!success) { |
| 503 | g_autofree char *msg = g_win32_error_message(GetLastError()); |
| 504 | g_debug("Failed to DuplicateHandle: %s", msg); |
| 505 | CloseHandle(share_handle); |
| 506 | return false; |
| 507 | } |
| 508 | |
| 509 | ddl_discard_display_messages(ddl); |
| 510 | |
| 511 | qemu_dbus_display1_listener_win32_d3d11_call_scanout_texture2d( |
| 512 | ddl->d3d11_proxy, |
| 513 | GPOINTER_TO_INT(target_handle), |
| 514 | backing_width, |
| 515 | backing_height, |
| 516 | backing_y_0_top, |
| 517 | x, y, w, h, |
| 518 | G_DBUS_CALL_FLAGS_NONE, |
| 519 | -1, |
| 520 | NULL, NULL, NULL); |
| 521 | |
| 522 | CloseHandle(share_handle); |
| 523 | |
| 524 | if (!d3d_texture2d_acquire0(tex, &err)) { |
| 525 | error_report_err(err); |
| 526 | return false; |
| 527 | } |
| 528 | |
| 529 | ddl->d3d_texture = tex; |
| 530 | ddl->ds_share = SHARE_KIND_D3DTEX; |
| 531 | |
| 532 | return true; |
| 533 | } |
| 534 | #endif /* CONFIG_OPENGL */ |
| 535 | #else /* !WIN32 */ |
| 536 | static bool dbus_scanout_map(DBusDisplayListener *ddl) |
| 537 | { |
| 538 | g_autoptr(GError) err = NULL; |
| 539 | g_autoptr(GUnixFDList) fd_list = NULL; |
| 540 | |
| 541 | if (ddl->ds_share == SHARE_KIND_MAPPED) { |
| 542 | return true; |
| 543 | } |
| 544 | |
| 545 | if (!ddl->can_share_map || ddl->ds->share_handle == SHAREABLE_NONE) { |
| 546 | return false; |
| 547 | } |
| 548 | |
| 549 | ddl_discard_display_messages(ddl); |
| 550 | fd_list = g_unix_fd_list_new(); |
| 551 | if (g_unix_fd_list_append(fd_list, ddl->ds->share_handle, &err) != 0) { |
| 552 | g_debug("Failed to setup scanout map fdlist: %s", err->message); |
| 553 | ddl->can_share_map = false; |
| 554 | return false; |
| 555 | } |
| 556 | |
| 557 | if (!qemu_dbus_display1_listener_unix_map_call_scanout_map_sync( |
| 558 | ddl->map_proxy, |
| 559 | g_variant_new_handle(0), |
| 560 | ddl->ds->share_handle_offset, |
| 561 | surface_width(ddl->ds), |
| 562 | surface_height(ddl->ds), |
| 563 | surface_stride(ddl->ds), |
| 564 | surface_format(ddl->ds), |
| 565 | G_DBUS_CALL_FLAGS_NONE, |
| 566 | DBUS_DEFAULT_TIMEOUT, |
| 567 | fd_list, |
| 568 | NULL, |
| 569 | NULL, |
| 570 | &err)) { |
| 571 | g_debug("Failed to call ScanoutMap: %s", err->message); |
| 572 | ddl->can_share_map = false; |
| 573 | return false; |
| 574 | } |
| 575 | |
| 576 | ddl->ds_share = SHARE_KIND_MAPPED; |
| 577 | |
| 578 | return true; |
| 579 | } |
| 580 | #endif /* WIN32 */ |
| 581 | |
| 582 | #ifdef CONFIG_OPENGL |
| 583 | static void dbus_scanout_texture(DisplayChangeListener *dcl, |
| 584 | uint32_t tex_id, |
| 585 | bool backing_y_0_top, |
| 586 | uint32_t backing_width, |
| 587 | uint32_t backing_height, |
| 588 | uint32_t x, uint32_t y, |
| 589 | uint32_t w, uint32_t h, |
| 590 | void *d3d_tex2d) |
| 591 | { |
| 592 | trace_dbus_scanout_texture(tex_id, backing_y_0_top, |
| 593 | backing_width, backing_height, x, y, w, h); |
| 594 | #ifdef CONFIG_GBM |
| 595 | g_autoptr(QemuDmaBuf) dmabuf = NULL; |
| 596 | int fd[DMABUF_MAX_PLANES], num_planes; |
| 597 | uint32_t offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES], fourcc; |
| 598 | uint64_t modifier; |
| 599 | |
| 600 | assert(tex_id); |
| 601 | if (!egl_dmabuf_export_texture(tex_id, fd, (EGLint *)offset, (EGLint *)stride, |
| 602 | (EGLint *)&fourcc, &num_planes, &modifier)) { |
| 603 | error_report("%s: failed to export dmabuf for texture", __func__); |
| 604 | return; |
| 605 | } |
| 606 | dmabuf = qemu_dmabuf_new(w, h, offset, stride, x, y, backing_width, |
| 607 | backing_height, fourcc, modifier, fd, num_planes, |
| 608 | false, backing_y_0_top); |
| 609 | |
| 610 | dbus_scanout_dmabuf(dcl, dmabuf); |
| 611 | qemu_dmabuf_close(dmabuf); |
| 612 | #endif |
| 613 | |
| 614 | #ifdef WIN32 |
| 615 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 616 | |
| 617 | /* there must be a matching gfx_switch before */ |
| 618 | assert(surface_width(ddl->ds) == w); |
| 619 | assert(surface_height(ddl->ds) == h); |
| 620 | |
| 621 | if (d3d_tex2d) { |
| 622 | dbus_scanout_share_d3d_texture(ddl, d3d_tex2d, backing_y_0_top, |
| 623 | backing_width, backing_height, x, y, w, h); |
| 624 | } else { |
| 625 | dbus_scanout_map(ddl); |
| 626 | egl_fb_setup_for_tex(&ddl->fb, backing_width, backing_height, tex_id, false); |
| 627 | } |
| 628 | #endif |
| 629 | } |
| 630 | |
| 631 | #ifdef CONFIG_GBM |
| 632 | static void dbus_cursor_dmabuf(DisplayChangeListener *dcl, |
| 633 | QemuDmaBuf *dmabuf, bool have_hot, |
| 634 | uint32_t hot_x, uint32_t hot_y) |
| 635 | { |
| 636 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 637 | DisplaySurface *ds; |
| 638 | GVariant *v_data = NULL; |
| 639 | egl_fb cursor_fb = EGL_FB_INIT; |
| 640 | uint32_t width, height, texture; |
| 641 | |
| 642 | if (!dmabuf) { |
| 643 | qemu_dbus_display1_listener_call_mouse_set( |
| 644 | ddl->proxy, 0, 0, false, |
| 645 | G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); |
| 646 | return; |
| 647 | } |
| 648 | |
| 649 | ddl_discard_cursor_messages(ddl); |
| 650 | |
| 651 | egl_dmabuf_import_texture(dmabuf); |
| 652 | texture = qemu_dmabuf_get_texture(dmabuf); |
| 653 | if (!texture) { |
| 654 | return; |
| 655 | } |
| 656 | |
| 657 | width = qemu_dmabuf_get_width(dmabuf); |
| 658 | height = qemu_dmabuf_get_height(dmabuf); |
| 659 | |
| 660 | egl_fb_setup_for_tex(&cursor_fb, width, height, texture, false); |
| 661 | ds = qemu_create_displaysurface(width, height); |
| 662 | egl_fb_read(ds, &cursor_fb); |
| 663 | egl_fb_destroy(&cursor_fb); |
| 664 | |
| 665 | v_data = g_variant_new_from_data( |
| 666 | G_VARIANT_TYPE("ay"), |
| 667 | surface_data(ds), |
| 668 | surface_width(ds) * surface_height(ds) * 4, |
| 669 | TRUE, |
| 670 | (GDestroyNotify)qemu_free_displaysurface, |
| 671 | ds); |
| 672 | qemu_dbus_display1_listener_call_cursor_define( |
| 673 | ddl->proxy, |
| 674 | surface_width(ds), |
| 675 | surface_height(ds), |
| 676 | hot_x, |
| 677 | hot_y, |
| 678 | v_data, |
| 679 | G_DBUS_CALL_FLAGS_NONE, |
| 680 | -1, |
| 681 | NULL, |
| 682 | NULL, |
| 683 | NULL); |
| 684 | } |
| 685 | |
| 686 | static void dbus_release_dmabuf(DisplayChangeListener *dcl, |
| 687 | QemuDmaBuf *dmabuf) |
| 688 | { |
| 689 | dbus_scanout_disable(dcl); |
| 690 | } |
| 691 | #endif /* GBM */ |
| 692 | |
| 693 | static void dbus_gl_cursor_position(DisplayChangeListener *dcl, |
| 694 | uint32_t pos_x, uint32_t pos_y) |
| 695 | { |
| 696 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 697 | |
| 698 | qemu_dbus_display1_listener_call_mouse_set( |
| 699 | ddl->proxy, pos_x, pos_y, true, |
| 700 | G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); |
| 701 | } |
| 702 | |
| 703 | static void dbus_scanout_update(DisplayChangeListener *dcl, |
| 704 | uint32_t x, uint32_t y, |
| 705 | uint32_t w, uint32_t h) |
| 706 | { |
| 707 | dbus_call_update_gl(dcl, x, y, w, h); |
| 708 | } |
| 709 | |
| 710 | static void dbus_gl_refresh(DisplayChangeListener *dcl) |
| 711 | { |
| 712 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 713 | |
| 714 | qemu_console_hw_update(dcl->con); |
| 715 | |
| 716 | if (!ddl->ds || qemu_console_is_gl_blocked(ddl->dcl.con)) { |
| 717 | return; |
| 718 | } |
| 719 | |
| 720 | #ifdef CONFIG_PIXMAN |
| 721 | int n_rects = pixman_region32_n_rects(&ddl->gl_damage); |
| 722 | |
| 723 | for (int i = 0; i < n_rects; i++) { |
| 724 | pixman_box32_t *box; |
| 725 | box = pixman_region32_rectangles(&ddl->gl_damage, NULL) + i; |
| 726 | /* TODO: Add a UpdateList call to send multiple updates at once */ |
| 727 | dbus_call_update_gl(dcl, box->x1, box->y1, |
| 728 | box->x2 - box->x1, box->y2 - box->y1); |
| 729 | } |
| 730 | pixman_region32_clear(&ddl->gl_damage); |
| 731 | #else |
| 732 | if (ddl->gl_damage) { |
| 733 | dbus_call_update_gl(dcl, 0, 0, |
| 734 | surface_width(ddl->ds), surface_height(ddl->ds)); |
| 735 | ddl->gl_damage = 0; |
| 736 | } |
| 737 | #endif |
| 738 | } |
| 739 | #endif /* OPENGL */ |
| 740 | |
| 741 | static void dbus_refresh(DisplayChangeListener *dcl) |
| 742 | { |
| 743 | qemu_console_hw_update(dcl->con); |
| 744 | } |
| 745 | |
| 746 | #ifdef CONFIG_OPENGL |
| 747 | static void dbus_gl_gfx_update(DisplayChangeListener *dcl, |
| 748 | int x, int y, int w, int h) |
| 749 | { |
| 750 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 751 | |
| 752 | #ifdef CONFIG_PIXMAN |
| 753 | pixman_region32_t rect_region; |
| 754 | pixman_region32_init_rect(&rect_region, x, y, w, h); |
| 755 | pixman_region32_union(&ddl->gl_damage, &ddl->gl_damage, &rect_region); |
| 756 | pixman_region32_fini(&rect_region); |
| 757 | #else |
| 758 | ddl->gl_damage++; |
| 759 | #endif |
| 760 | } |
| 761 | #endif |
| 762 | |
| 763 | static void dbus_gfx_update_sub(DBusDisplayListener *ddl, |
| 764 | int x, int y, int w, int h) |
| 765 | { |
| 766 | pixman_image_t *img; |
| 767 | size_t stride; |
| 768 | GVariant *v_data; |
| 769 | |
| 770 | /* make a copy, since gvariant only handles linear data */ |
| 771 | stride = w * DIV_ROUND_UP(PIXMAN_FORMAT_BPP(surface_format(ddl->ds)), 8); |
| 772 | img = pixman_image_create_bits(surface_format(ddl->ds), |
| 773 | w, h, NULL, stride); |
| 774 | #ifdef CONFIG_PIXMAN |
| 775 | pixman_image_composite(PIXMAN_OP_SRC, ddl->ds->image, NULL, img, |
| 776 | x, y, 0, 0, 0, 0, w, h); |
| 777 | #else |
| 778 | { |
| 779 | uint8_t *src = (uint8_t *)pixman_image_get_data(ddl->ds->image); |
| 780 | uint8_t *dst = (uint8_t *)pixman_image_get_data(img); |
| 781 | int bp = PIXMAN_FORMAT_BPP(surface_format(ddl->ds)) / 8; |
| 782 | int hh; |
| 783 | |
| 784 | for (hh = 0; hh < h; hh++) { |
| 785 | memcpy(&dst[stride * hh], |
| 786 | &src[surface_stride(ddl->ds) * (hh + y) + x * bp], |
| 787 | stride); |
| 788 | } |
| 789 | } |
| 790 | #endif |
| 791 | v_data = g_variant_new_from_data( |
| 792 | G_VARIANT_TYPE("ay"), |
| 793 | pixman_image_get_data(img), |
| 794 | pixman_image_get_stride(img) * h, |
| 795 | TRUE, |
| 796 | (GDestroyNotify)pixman_image_unref, |
| 797 | img); |
| 798 | qemu_dbus_display1_listener_call_update(ddl->proxy, |
| 799 | x, y, w, h, pixman_image_get_stride(img), pixman_image_get_format(img), |
| 800 | v_data, |
| 801 | G_DBUS_CALL_FLAGS_NONE, |
| 802 | DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL); |
| 803 | } |
| 804 | |
| 805 | static void ddl_scanout(DBusDisplayListener *ddl) |
| 806 | { |
| 807 | GVariant *v_data; |
| 808 | |
| 809 | v_data = g_variant_new_from_data( |
| 810 | G_VARIANT_TYPE("ay"), surface_data(ddl->ds), |
| 811 | surface_stride(ddl->ds) * surface_height(ddl->ds), TRUE, |
| 812 | (GDestroyNotify)pixman_image_unref, pixman_image_ref(ddl->ds->image)); |
| 813 | |
| 814 | ddl_discard_display_messages(ddl); |
| 815 | |
| 816 | qemu_dbus_display1_listener_call_scanout( |
| 817 | ddl->proxy, surface_width(ddl->ds), surface_height(ddl->ds), |
| 818 | surface_stride(ddl->ds), surface_format(ddl->ds), v_data, |
| 819 | G_DBUS_CALL_FLAGS_NONE, DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL); |
| 820 | } |
| 821 | |
| 822 | static void dbus_gfx_update(DisplayChangeListener *dcl, |
| 823 | int x, int y, int w, int h) |
| 824 | { |
| 825 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 826 | |
| 827 | assert(ddl->ds); |
| 828 | |
| 829 | trace_dbus_update(x, y, w, h); |
| 830 | |
| 831 | if (dbus_scanout_map(ddl)) { |
| 832 | #ifdef WIN32 |
| 833 | qemu_dbus_display1_listener_win32_map_call_update_map( |
| 834 | ddl->map_proxy, |
| 835 | x, y, w, h, |
| 836 | G_DBUS_CALL_FLAGS_NONE, |
| 837 | DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL); |
| 838 | #else |
| 839 | qemu_dbus_display1_listener_unix_map_call_update_map( |
| 840 | ddl->map_proxy, |
| 841 | x, y, w, h, |
| 842 | G_DBUS_CALL_FLAGS_NONE, |
| 843 | DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL); |
| 844 | #endif |
| 845 | return; |
| 846 | } |
| 847 | |
| 848 | if (x == 0 && y == 0 && w == surface_width(ddl->ds) && h == surface_height(ddl->ds)) { |
| 849 | return ddl_scanout(ddl); |
| 850 | } |
| 851 | |
| 852 | dbus_gfx_update_sub(ddl, x, y, w, h); |
| 853 | } |
| 854 | |
| 855 | #ifdef CONFIG_OPENGL |
| 856 | static void dbus_gl_gfx_switch(DisplayChangeListener *dcl, |
| 857 | struct DisplaySurface *new_surface) |
| 858 | { |
| 859 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 860 | |
| 861 | trace_dbus_gl_gfx_switch(new_surface); |
| 862 | |
| 863 | ddl->ds = new_surface; |
| 864 | ddl->ds_share = SHARE_KIND_NONE; |
| 865 | if (ddl->ds) { |
| 866 | int width = surface_width(ddl->ds); |
| 867 | int height = surface_height(ddl->ds); |
| 868 | |
| 869 | /* TODO: lazy send dmabuf (there are unnecessary sent otherwise) */ |
| 870 | dbus_scanout_texture(&ddl->dcl, ddl->ds->texture, false, |
| 871 | width, height, 0, 0, width, height, NULL); |
| 872 | } |
| 873 | } |
| 874 | #endif |
| 875 | |
| 876 | static void dbus_gfx_switch(DisplayChangeListener *dcl, |
| 877 | struct DisplaySurface *new_surface) |
| 878 | { |
| 879 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 880 | |
| 881 | ddl->ds = new_surface; |
| 882 | ddl->ds_share = SHARE_KIND_NONE; |
| 883 | } |
| 884 | |
| 885 | static void dbus_mouse_set(DisplayChangeListener *dcl, |
| 886 | int x, int y, bool on) |
| 887 | { |
| 888 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 889 | |
| 890 | qemu_dbus_display1_listener_call_mouse_set( |
| 891 | ddl->proxy, x, y, on, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL); |
| 892 | } |
| 893 | |
| 894 | static void dbus_cursor_define(DisplayChangeListener *dcl, |
| 895 | QEMUCursor *c) |
| 896 | { |
| 897 | DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); |
| 898 | GVariant *v_data = NULL; |
| 899 | |
| 900 | ddl_discard_cursor_messages(ddl); |
| 901 | |
| 902 | v_data = g_variant_new_from_data( |
| 903 | G_VARIANT_TYPE("ay"), |
| 904 | c->data, |
| 905 | c->width * c->height * 4, |
| 906 | TRUE, |
| 907 | (GDestroyNotify)cursor_unref, |
| 908 | cursor_ref(c)); |
| 909 | |
| 910 | qemu_dbus_display1_listener_call_cursor_define( |
| 911 | ddl->proxy, |
| 912 | c->width, |
| 913 | c->height, |
| 914 | c->hot_x, |
| 915 | c->hot_y, |
| 916 | v_data, |
| 917 | G_DBUS_CALL_FLAGS_NONE, |
| 918 | -1, |
| 919 | NULL, |
| 920 | NULL, |
| 921 | NULL); |
| 922 | } |
| 923 | |
| 924 | #ifdef CONFIG_OPENGL |
| 925 | const DisplayChangeListenerOps dbus_gl_dcl_ops = { |
| 926 | .dpy_name = "dbus-gl", |
| 927 | .dpy_gfx_update = dbus_gl_gfx_update, |
| 928 | .dpy_gfx_switch = dbus_gl_gfx_switch, |
| 929 | .dpy_gfx_check_format = console_gl_check_format, |
| 930 | .dpy_refresh = dbus_gl_refresh, |
| 931 | .dpy_mouse_set = dbus_mouse_set, |
| 932 | .dpy_cursor_define = dbus_cursor_define, |
| 933 | |
| 934 | .dpy_gl_scanout_disable = dbus_scanout_disable, |
| 935 | .dpy_gl_scanout_texture = dbus_scanout_texture, |
| 936 | #ifdef CONFIG_GBM |
| 937 | .dpy_gl_scanout_dmabuf = dbus_scanout_dmabuf, |
| 938 | .dpy_gl_cursor_dmabuf = dbus_cursor_dmabuf, |
| 939 | .dpy_gl_release_dmabuf = dbus_release_dmabuf, |
| 940 | #endif |
| 941 | .dpy_gl_cursor_position = dbus_gl_cursor_position, |
| 942 | .dpy_gl_update = dbus_scanout_update, |
| 943 | }; |
| 944 | #endif |
| 945 | |
| 946 | const DisplayChangeListenerOps dbus_dcl_ops = { |
| 947 | .dpy_name = "dbus", |
| 948 | .dpy_gfx_update = dbus_gfx_update, |
| 949 | .dpy_gfx_switch = dbus_gfx_switch, |
| 950 | .dpy_refresh = dbus_refresh, |
| 951 | .dpy_mouse_set = dbus_mouse_set, |
| 952 | .dpy_cursor_define = dbus_cursor_define, |
| 953 | }; |
| 954 | |
| 955 | static void |
| 956 | dbus_display_listener_dispose(GObject *object) |
| 957 | { |
| 958 | DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(object); |
| 959 | |
| 960 | qemu_console_unregister_listener(&ddl->dcl); |
| 961 | g_clear_object(&ddl->conn); |
| 962 | g_clear_pointer(&ddl->bus_name, g_free); |
| 963 | g_clear_object(&ddl->proxy); |
| 964 | g_clear_object(&ddl->map_proxy); |
| 965 | #ifdef WIN32 |
| 966 | g_clear_object(&ddl->d3d11_proxy); |
| 967 | g_clear_pointer(&ddl->peer_process, CloseHandle); |
| 968 | #ifdef CONFIG_OPENGL |
| 969 | egl_fb_destroy(&ddl->fb); |
| 970 | #endif |
| 971 | #else /* !WIN32 */ |
| 972 | g_clear_object(&ddl->scanout_dmabuf_v2_proxy); |
| 973 | #endif |
| 974 | #ifdef CONFIG_PIXMAN |
| 975 | pixman_region32_fini(&ddl->gl_damage); |
| 976 | #endif |
| 977 | |
| 978 | G_OBJECT_CLASS(dbus_display_listener_parent_class)->dispose(object); |
| 979 | } |
| 980 | |
| 981 | static void |
| 982 | dbus_display_listener_class_init(DBusDisplayListenerClass *klass) |
| 983 | { |
| 984 | GObjectClass *object_class = G_OBJECT_CLASS(klass); |
| 985 | |
| 986 | object_class->dispose = dbus_display_listener_dispose; |
| 987 | } |
| 988 | |
| 989 | static void |
| 990 | dbus_display_listener_init(DBusDisplayListener *ddl) |
| 991 | { |
| 992 | #ifdef CONFIG_PIXMAN |
| 993 | pixman_region32_init(&ddl->gl_damage); |
| 994 | #endif |
| 995 | } |
| 996 | |
| 997 | const char * |
| 998 | dbus_display_listener_get_bus_name(DBusDisplayListener *ddl) |
| 999 | { |
| 1000 | return ddl->bus_name ?: "p2p"; |
| 1001 | } |
| 1002 | |
| 1003 | DBusDisplayConsole * |
| 1004 | dbus_display_listener_get_console(DBusDisplayListener *ddl) |
| 1005 | { |
| 1006 | return ddl->console; |
| 1007 | } |
| 1008 | |
| 1009 | static bool |
| 1010 | dbus_display_listener_implements(DBusDisplayListener *ddl, const char *iface) |
| 1011 | { |
| 1012 | QemuDBusDisplay1Listener *l = QEMU_DBUS_DISPLAY1_LISTENER(ddl->proxy); |
| 1013 | const char * const *interfaces; |
| 1014 | bool implements; |
| 1015 | |
| 1016 | interfaces = qemu_dbus_display1_listener_get_interfaces(l); |
| 1017 | implements = interfaces && g_strv_contains(interfaces, iface); |
| 1018 | if (!implements) { |
| 1019 | g_debug("Display listener does not implement: `%s`", iface); |
| 1020 | } |
| 1021 | |
| 1022 | return implements; |
| 1023 | } |
| 1024 | |
| 1025 | #ifdef WIN32 |
| 1026 | static bool |
| 1027 | dbus_display_listener_setup_peer_process(DBusDisplayListener *ddl) |
| 1028 | { |
| 1029 | g_autoptr(GError) err = NULL; |
| 1030 | GDBusConnection *conn; |
| 1031 | GIOStream *stream; |
| 1032 | GSocket *sock; |
| 1033 | g_autoptr(GCredentials) creds = NULL; |
| 1034 | DWORD *pid; |
| 1035 | |
| 1036 | if (ddl->peer_process) { |
| 1037 | return true; |
| 1038 | } |
| 1039 | |
| 1040 | conn = g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy)); |
| 1041 | stream = g_dbus_connection_get_stream(conn); |
| 1042 | |
| 1043 | if (!G_IS_UNIX_CONNECTION(stream)) { |
| 1044 | return false; |
| 1045 | } |
| 1046 | |
| 1047 | sock = g_socket_connection_get_socket(G_SOCKET_CONNECTION(stream)); |
| 1048 | creds = g_socket_get_credentials(sock, &err); |
| 1049 | |
| 1050 | if (!creds) { |
| 1051 | g_debug("Failed to get peer credentials: %s", err->message); |
| 1052 | return false; |
| 1053 | } |
| 1054 | |
| 1055 | pid = g_credentials_get_native(creds, G_CREDENTIALS_TYPE_WIN32_PID); |
| 1056 | |
| 1057 | if (pid == NULL) { |
| 1058 | g_debug("Failed to get peer PID"); |
| 1059 | return false; |
| 1060 | } |
| 1061 | |
| 1062 | ddl->peer_process = OpenProcess( |
| 1063 | PROCESS_DUP_HANDLE | PROCESS_QUERY_INFORMATION, |
| 1064 | false, *pid); |
| 1065 | |
| 1066 | if (!ddl->peer_process) { |
| 1067 | g_autofree char *msg = g_win32_error_message(GetLastError()); |
| 1068 | g_debug("Failed to OpenProcess: %s", msg); |
| 1069 | return false; |
| 1070 | } |
| 1071 | |
| 1072 | return true; |
| 1073 | } |
| 1074 | #endif |
| 1075 | |
| 1076 | static void |
| 1077 | dbus_display_listener_setup_d3d11(DBusDisplayListener *ddl) |
| 1078 | { |
| 1079 | #ifdef WIN32 |
| 1080 | g_autoptr(GError) err = NULL; |
| 1081 | |
| 1082 | if (!dbus_display_listener_implements(ddl, |
| 1083 | "org.qemu.Display1.Listener.Win32.D3d11")) { |
| 1084 | return; |
| 1085 | } |
| 1086 | |
| 1087 | if (!dbus_display_listener_setup_peer_process(ddl)) { |
| 1088 | return; |
| 1089 | } |
| 1090 | |
| 1091 | ddl->d3d11_proxy = |
| 1092 | qemu_dbus_display1_listener_win32_d3d11_proxy_new_sync(ddl->conn, |
| 1093 | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, |
| 1094 | NULL, |
| 1095 | "/org/qemu/Display1/Listener", |
| 1096 | NULL, |
| 1097 | &err); |
| 1098 | if (!ddl->d3d11_proxy) { |
| 1099 | g_debug("Failed to setup win32 d3d11 proxy: %s", err->message); |
| 1100 | return; |
| 1101 | } |
| 1102 | #endif |
| 1103 | } |
| 1104 | |
| 1105 | static void |
| 1106 | dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl) |
| 1107 | { |
| 1108 | g_autoptr(GError) err = NULL; |
| 1109 | |
| 1110 | #ifdef WIN32 |
| 1111 | if (!dbus_display_listener_implements( |
| 1112 | ddl, "org.qemu.Display1.Listener.Win32.Map")) { |
| 1113 | return; |
| 1114 | } |
| 1115 | |
| 1116 | if (!dbus_display_listener_setup_peer_process(ddl)) { |
| 1117 | return; |
| 1118 | } |
| 1119 | |
| 1120 | ddl->map_proxy = |
| 1121 | qemu_dbus_display1_listener_win32_map_proxy_new_sync(ddl->conn, |
| 1122 | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, |
| 1123 | NULL, |
| 1124 | "/org/qemu/Display1/Listener", |
| 1125 | NULL, |
| 1126 | &err); |
| 1127 | if (!ddl->map_proxy) { |
| 1128 | g_debug("Failed to setup win32 map proxy: %s", err->message); |
| 1129 | return; |
| 1130 | } |
| 1131 | |
| 1132 | ddl->can_share_map = true; |
| 1133 | #else /* !WIN32 */ |
| 1134 | if (!dbus_display_listener_implements( |
| 1135 | ddl, "org.qemu.Display1.Listener.Unix.Map")) { |
| 1136 | return; |
| 1137 | } |
| 1138 | ddl->map_proxy = qemu_dbus_display1_listener_unix_map_proxy_new_sync( |
| 1139 | ddl->conn, G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, NULL, |
| 1140 | "/org/qemu/Display1/Listener", NULL, &err); |
| 1141 | if (!ddl->map_proxy) { |
| 1142 | g_debug("Failed to setup Unix map proxy: %s", err->message); |
| 1143 | return; |
| 1144 | } |
| 1145 | |
| 1146 | ddl->can_share_map = true; |
| 1147 | #endif |
| 1148 | } |
| 1149 | |
| 1150 | static void dbus_display_listener_setup_scanout_dmabuf_v2(DBusDisplayListener *ddl) |
| 1151 | { |
| 1152 | #ifndef WIN32 |
| 1153 | g_autoptr(GError) err = NULL; |
| 1154 | |
| 1155 | if (!dbus_display_listener_implements( |
| 1156 | ddl, "org.qemu.Display1.Listener.Unix.ScanoutDMABUF2")) { |
| 1157 | return; |
| 1158 | } |
| 1159 | ddl->scanout_dmabuf_v2_proxy = |
| 1160 | qemu_dbus_display1_listener_unix_scanout_dmabuf2_proxy_new_sync( |
| 1161 | ddl->conn, G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, NULL, |
| 1162 | "/org/qemu/Display1/Listener", NULL, &err); |
| 1163 | if (!ddl->scanout_dmabuf_v2_proxy) { |
| 1164 | g_debug("Failed to setup Unix scanout dmabuf v2 proxy: %s", err->message); |
| 1165 | return; |
| 1166 | } |
| 1167 | #endif |
| 1168 | } |
| 1169 | |
| 1170 | static void |
| 1171 | dbus_conn_closed(GDBusConnection *conn, |
| 1172 | gboolean remote_peer_vanished, |
| 1173 | GError *error, |
| 1174 | gpointer user_data) |
| 1175 | { |
| 1176 | DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(user_data); |
| 1177 | |
| 1178 | if (ddl->dbus_filter) { |
| 1179 | g_dbus_connection_remove_filter(ddl->conn, ddl->dbus_filter); |
| 1180 | ddl->dbus_filter = 0; |
| 1181 | } |
| 1182 | } |
| 1183 | |
| 1184 | static GDBusMessage * |
| 1185 | dbus_filter(GDBusConnection *connection, |
| 1186 | GDBusMessage *message, |
| 1187 | gboolean incoming, |
| 1188 | gpointer user_data) |
| 1189 | { |
| 1190 | DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(user_data); |
| 1191 | guint32 serial, discard_serial; |
| 1192 | |
| 1193 | if (incoming) { |
| 1194 | return message; |
| 1195 | } |
| 1196 | |
| 1197 | serial = g_dbus_message_get_serial(message); |
| 1198 | |
| 1199 | discard_serial = g_atomic_int_get(&ddl->display_serial_to_discard); |
| 1200 | if (serial <= discard_serial) { |
| 1201 | const char *member = g_dbus_message_get_member(message); |
| 1202 | static const char *const display_messages[] = { |
| 1203 | "Scanout", |
| 1204 | "Update", |
| 1205 | #ifdef CONFIG_GBM |
| 1206 | "ScanoutDMABUF", |
| 1207 | "UpdateDMABUF", |
| 1208 | #endif |
| 1209 | "ScanoutMap", |
| 1210 | "UpdateMap", |
| 1211 | "Disable", |
| 1212 | NULL, |
| 1213 | }; |
| 1214 | |
| 1215 | if (g_strv_contains(display_messages, member)) { |
| 1216 | trace_dbus_filter(serial, discard_serial); |
| 1217 | g_object_unref(message); |
| 1218 | return NULL; |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | discard_serial = g_atomic_int_get(&ddl->cursor_serial_to_discard); |
| 1223 | if (serial <= discard_serial) { |
| 1224 | const gchar *member = g_dbus_message_get_member(message); |
| 1225 | static const char *const cursor_messages[] = { |
| 1226 | "CursorDefine", |
| 1227 | NULL |
| 1228 | }; |
| 1229 | |
| 1230 | if (g_strv_contains(cursor_messages, member)) { |
| 1231 | trace_dbus_filter(serial, discard_serial); |
| 1232 | g_object_unref(message); |
| 1233 | return NULL; |
| 1234 | } |
| 1235 | } |
| 1236 | |
| 1237 | return message; |
| 1238 | } |
| 1239 | |
| 1240 | DBusDisplayListener * |
| 1241 | dbus_display_listener_new(const char *bus_name, |
| 1242 | GDBusConnection *conn, |
| 1243 | DBusDisplayConsole *console) |
| 1244 | { |
| 1245 | const DisplayChangeListenerOps *ops = &dbus_dcl_ops; |
| 1246 | DBusDisplayListener *ddl; |
| 1247 | QemuConsole *con; |
| 1248 | g_autoptr(GError) err = NULL; |
| 1249 | |
| 1250 | ddl = g_object_new(DBUS_DISPLAY_TYPE_LISTENER, NULL); |
| 1251 | ddl->proxy = |
| 1252 | qemu_dbus_display1_listener_proxy_new_sync(conn, |
| 1253 | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, |
| 1254 | NULL, |
| 1255 | "/org/qemu/Display1/Listener", |
| 1256 | NULL, |
| 1257 | &err); |
| 1258 | if (!ddl->proxy) { |
| 1259 | error_report("Failed to setup proxy: %s", err->message); |
| 1260 | g_object_unref(conn); |
| 1261 | g_object_unref(ddl); |
| 1262 | return NULL; |
| 1263 | } |
| 1264 | |
| 1265 | ddl->dbus_filter = g_dbus_connection_add_filter(conn, dbus_filter, g_object_ref(ddl), g_object_unref); |
| 1266 | g_signal_connect(conn, "closed", G_CALLBACK(dbus_conn_closed), ddl); |
| 1267 | ddl->bus_name = g_strdup(bus_name); |
| 1268 | ddl->conn = conn; |
| 1269 | ddl->console = console; |
| 1270 | |
| 1271 | dbus_display_listener_setup_shared_map(ddl); |
| 1272 | trace_dbus_can_share_map(ddl->can_share_map); |
| 1273 | dbus_display_listener_setup_d3d11(ddl); |
| 1274 | dbus_display_listener_setup_scanout_dmabuf_v2(ddl); |
| 1275 | |
| 1276 | con = qemu_console_lookup_by_index(dbus_display_console_get_index(console)); |
| 1277 | assert(con); |
| 1278 | #ifdef CONFIG_OPENGL |
| 1279 | if (display_opengl) { |
| 1280 | ops = &dbus_gl_dcl_ops; |
| 1281 | } |
| 1282 | #endif |
| 1283 | qemu_console_register_listener(con, &ddl->dcl, ops); |
| 1284 | |
| 1285 | return ddl; |
| 1286 | } |