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[wine.git] / dlls / winex11.drv / display.c
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1 /*
2 * X11DRV display device functions
4 * Copyright 2019 Zhiyi Zhang for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #if 0
22 #pragma makedep unix
23 #endif
25 #include "config.h"
26 #include "x11drv.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
31 static struct x11drv_display_device_handler host_handler;
32 static struct x11drv_settings_handler settings_handler;
34 #define NEXT_DEVMODEW(mode) ((DEVMODEW *)((char *)((mode) + 1) + (mode)->dmDriverExtra))
36 struct x11drv_display_depth
38 struct list entry;
39 x11drv_settings_id display_id;
40 DWORD depth;
43 /* Display device emulated depth list, protected by modes_section */
44 static struct list x11drv_display_depth_list = LIST_INIT(x11drv_display_depth_list);
46 /* All Windows drivers seen so far either support 32 bit depths, or 24 bit depths, but never both. So if we have
47 * a 32 bit framebuffer, report 32 bit bpps, otherwise 24 bit ones.
49 static const unsigned int depths_24[] = {8, 16, 24};
50 static const unsigned int depths_32[] = {8, 16, 32};
51 const unsigned int *depths;
53 static pthread_mutex_t settings_mutex = PTHREAD_MUTEX_INITIALIZER;
55 void X11DRV_Settings_SetHandler(const struct x11drv_settings_handler *new_handler)
57 if (new_handler->priority > settings_handler.priority)
59 settings_handler = *new_handler;
60 TRACE("Display settings are now handled by: %s.\n", settings_handler.name);
64 /***********************************************************************
65 * Default handlers if resolution switching is not enabled
68 static BOOL nores_get_id(const WCHAR *device_name, BOOL is_primary, x11drv_settings_id *id)
70 id->id = is_primary ? 1 : 0;
71 return TRUE;
74 static BOOL nores_get_modes(x11drv_settings_id id, DWORD flags, DEVMODEW **new_modes, UINT *mode_count)
76 RECT primary = get_host_primary_monitor_rect();
77 DEVMODEW *modes;
79 modes = calloc(1, sizeof(*modes));
80 if (!modes)
82 RtlSetLastWin32Error( ERROR_NOT_ENOUGH_MEMORY );
83 return FALSE;
86 modes[0].dmSize = sizeof(*modes);
87 modes[0].dmDriverExtra = 0;
88 modes[0].dmFields = DM_DISPLAYORIENTATION | DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
89 DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY;
90 modes[0].dmDisplayOrientation = DMDO_DEFAULT;
91 modes[0].dmBitsPerPel = screen_bpp;
92 modes[0].dmPelsWidth = primary.right;
93 modes[0].dmPelsHeight = primary.bottom;
94 modes[0].dmDisplayFlags = 0;
95 modes[0].dmDisplayFrequency = 60;
97 *new_modes = modes;
98 *mode_count = 1;
99 return TRUE;
102 static void nores_free_modes(DEVMODEW *modes)
104 free(modes);
107 static BOOL nores_get_current_mode(x11drv_settings_id id, DEVMODEW *mode)
109 RECT primary = get_host_primary_monitor_rect();
111 mode->dmFields = DM_DISPLAYORIENTATION | DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
112 DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY | DM_POSITION;
113 mode->dmDisplayOrientation = DMDO_DEFAULT;
114 mode->dmDisplayFlags = 0;
115 mode->dmPosition.x = 0;
116 mode->dmPosition.y = 0;
118 if (id.id != 1)
120 FIXME("Non-primary adapters are unsupported.\n");
121 mode->dmBitsPerPel = 0;
122 mode->dmPelsWidth = 0;
123 mode->dmPelsHeight = 0;
124 mode->dmDisplayFrequency = 0;
125 return TRUE;
128 mode->dmBitsPerPel = screen_bpp;
129 mode->dmPelsWidth = primary.right;
130 mode->dmPelsHeight = primary.bottom;
131 mode->dmDisplayFrequency = 60;
132 return TRUE;
135 static LONG nores_set_current_mode(x11drv_settings_id id, const DEVMODEW *mode)
137 WARN("NoRes settings handler, ignoring mode change request.\n");
138 return DISP_CHANGE_SUCCESSFUL;
141 /* default handler only gets the current X desktop resolution */
142 void X11DRV_Settings_Init(void)
144 struct x11drv_settings_handler nores_handler;
146 depths = screen_bpp == 32 ? depths_32 : depths_24;
148 nores_handler.name = "NoRes";
149 nores_handler.priority = 1;
150 nores_handler.get_id = nores_get_id;
151 nores_handler.get_modes = nores_get_modes;
152 nores_handler.free_modes = nores_free_modes;
153 nores_handler.get_current_mode = nores_get_current_mode;
154 nores_handler.set_current_mode = nores_set_current_mode;
155 X11DRV_Settings_SetHandler(&nores_handler);
158 static void set_display_depth(x11drv_settings_id display_id, DWORD depth)
160 struct x11drv_display_depth *display_depth;
162 pthread_mutex_lock( &settings_mutex );
163 LIST_FOR_EACH_ENTRY(display_depth, &x11drv_display_depth_list, struct x11drv_display_depth, entry)
165 if (display_depth->display_id.id == display_id.id)
167 display_depth->depth = depth;
168 pthread_mutex_unlock( &settings_mutex );
169 return;
173 display_depth = malloc(sizeof(*display_depth));
174 if (!display_depth)
176 ERR("Failed to allocate memory.\n");
177 pthread_mutex_unlock( &settings_mutex );
178 return;
181 display_depth->display_id = display_id;
182 display_depth->depth = depth;
183 list_add_head(&x11drv_display_depth_list, &display_depth->entry);
184 pthread_mutex_unlock( &settings_mutex );
187 static DWORD get_display_depth(x11drv_settings_id display_id)
189 struct x11drv_display_depth *display_depth;
190 DWORD depth;
192 pthread_mutex_lock( &settings_mutex );
193 LIST_FOR_EACH_ENTRY(display_depth, &x11drv_display_depth_list, struct x11drv_display_depth, entry)
195 if (display_depth->display_id.id == display_id.id)
197 depth = display_depth->depth;
198 pthread_mutex_unlock( &settings_mutex );
199 return depth;
202 pthread_mutex_unlock( &settings_mutex );
203 return screen_bpp;
206 INT X11DRV_GetDisplayDepth(LPCWSTR name, BOOL is_primary)
208 x11drv_settings_id id;
210 if (settings_handler.get_id( name, is_primary, &id ))
211 return get_display_depth( id );
213 return screen_bpp;
216 /***********************************************************************
217 * GetCurrentDisplaySettings (X11DRV.@)
220 BOOL X11DRV_GetCurrentDisplaySettings( LPCWSTR name, BOOL is_primary, LPDEVMODEW devmode )
222 DEVMODEW mode;
223 x11drv_settings_id id;
225 if (!settings_handler.get_id( name, is_primary, &id ) || !settings_handler.get_current_mode( id, &mode ))
227 ERR("Failed to get %s current display settings.\n", wine_dbgstr_w(name));
228 return FALSE;
231 memcpy( &devmode->dmFields, &mode.dmFields, devmode->dmSize - offsetof(DEVMODEW, dmFields) );
232 if (!is_detached_mode( devmode )) devmode->dmBitsPerPel = get_display_depth( id );
233 return TRUE;
236 BOOL is_detached_mode(const DEVMODEW *mode)
238 return mode->dmFields & DM_POSITION &&
239 mode->dmFields & DM_PELSWIDTH &&
240 mode->dmFields & DM_PELSHEIGHT &&
241 mode->dmPelsWidth == 0 &&
242 mode->dmPelsHeight == 0;
245 static BOOL is_same_devmode( const DEVMODEW *a, const DEVMODEW *b )
247 return a->dmDisplayOrientation == b->dmDisplayOrientation &&
248 a->dmBitsPerPel == b->dmBitsPerPel &&
249 a->dmPelsWidth == b->dmPelsWidth &&
250 a->dmPelsHeight == b->dmPelsHeight &&
251 a->dmDisplayFrequency == b->dmDisplayFrequency;
254 /* Get the full display mode with all the necessary fields set.
255 * Return NULL on failure. Caller should call free_full_mode() to free the returned mode. */
256 static DEVMODEW *get_full_mode(x11drv_settings_id id, DEVMODEW *dev_mode)
258 DEVMODEW *modes, *full_mode, *found_mode = NULL;
259 UINT mode_count, mode_idx;
261 if (is_detached_mode(dev_mode))
262 return dev_mode;
264 if (!settings_handler.get_modes(id, EDS_ROTATEDMODE, &modes, &mode_count))
265 return NULL;
267 for (mode_idx = 0; mode_idx < mode_count; ++mode_idx)
269 found_mode = (DEVMODEW *)((BYTE *)modes + (sizeof(*modes) + modes[0].dmDriverExtra) * mode_idx);
270 if (is_same_devmode( found_mode, dev_mode )) break;
273 if (!found_mode || mode_idx == mode_count)
275 settings_handler.free_modes(modes);
276 return NULL;
279 if (!(full_mode = malloc(sizeof(*found_mode) + found_mode->dmDriverExtra)))
281 settings_handler.free_modes(modes);
282 return NULL;
285 memcpy(full_mode, found_mode, sizeof(*found_mode) + found_mode->dmDriverExtra);
286 settings_handler.free_modes(modes);
288 full_mode->dmFields |= DM_POSITION;
289 full_mode->dmPosition = dev_mode->dmPosition;
290 return full_mode;
293 static void free_full_mode(DEVMODEW *mode)
295 if (!is_detached_mode(mode))
296 free(mode);
299 static LONG apply_display_settings( DEVMODEW *displays, x11drv_settings_id *ids, BOOL do_attach )
301 DEVMODEW *full_mode;
302 BOOL attached_mode;
303 LONG count, ret;
304 DEVMODEW *mode;
306 for (count = 0, mode = displays; mode->dmSize; mode = NEXT_DEVMODEW(mode), count++)
308 x11drv_settings_id *id = ids + count;
310 attached_mode = !is_detached_mode(mode);
311 if ((attached_mode && !do_attach) || (!attached_mode && do_attach))
312 continue;
314 /* FIXME: get a full mode again because X11 driver extra data isn't portable */
315 full_mode = get_full_mode(*id, mode);
316 if (!full_mode)
317 return DISP_CHANGE_BADMODE;
319 TRACE("handler:%s changing %s to position:(%d,%d) resolution:%ux%u frequency:%uHz "
320 "depth:%ubits orientation:%#x.\n", settings_handler.name,
321 wine_dbgstr_w(mode->dmDeviceName),
322 (int)full_mode->dmPosition.x, (int)full_mode->dmPosition.y, (int)full_mode->dmPelsWidth,
323 (int)full_mode->dmPelsHeight, (int)full_mode->dmDisplayFrequency,
324 (int)full_mode->dmBitsPerPel, (int)full_mode->dmDisplayOrientation);
326 ret = settings_handler.set_current_mode(*id, full_mode);
327 if (attached_mode && ret == DISP_CHANGE_SUCCESSFUL)
328 set_display_depth(*id, full_mode->dmBitsPerPel);
329 free_full_mode(full_mode);
330 if (ret != DISP_CHANGE_SUCCESSFUL)
331 return ret;
334 return DISP_CHANGE_SUCCESSFUL;
337 /***********************************************************************
338 * ChangeDisplaySettings (X11DRV.@)
341 LONG X11DRV_ChangeDisplaySettings( LPDEVMODEW displays, LPCWSTR primary_name, HWND hwnd, DWORD flags, LPVOID lpvoid )
343 INT left_most = INT_MAX, top_most = INT_MAX;
344 LONG count, ret = DISP_CHANGE_BADPARAM;
345 x11drv_settings_id *ids;
346 DEVMODEW *mode;
348 /* Convert virtual screen coordinates to root coordinates, and find display ids.
349 * We cannot safely get the ids while changing modes, as the backend state may be invalidated.
351 for (count = 0, mode = displays; mode->dmSize; mode = NEXT_DEVMODEW(mode), count++)
353 left_most = min( left_most, mode->dmPosition.x );
354 top_most = min( top_most, mode->dmPosition.y );
357 if (!(ids = calloc( count, sizeof(*ids) ))) return DISP_CHANGE_FAILED;
358 for (count = 0, mode = displays; mode->dmSize; mode = NEXT_DEVMODEW(mode), count++)
360 if (!settings_handler.get_id( mode->dmDeviceName, !wcsicmp( mode->dmDeviceName, primary_name ), ids + count )) goto done;
361 mode->dmPosition.x -= left_most;
362 mode->dmPosition.y -= top_most;
365 /* Detach displays first to free up CRTCs */
366 ret = apply_display_settings( displays, ids, FALSE );
367 if (ret == DISP_CHANGE_SUCCESSFUL)
368 ret = apply_display_settings( displays, ids, TRUE );
370 done:
371 free( ids );
372 return ret;
375 POINT virtual_screen_to_root(INT x, INT y)
377 RECT virtual = NtUserGetVirtualScreenRect();
378 POINT pt;
380 pt.x = x - virtual.left;
381 pt.y = y - virtual.top;
382 return pt;
385 POINT root_to_virtual_screen(INT x, INT y)
387 RECT virtual = NtUserGetVirtualScreenRect();
388 POINT pt;
390 pt.x = x + virtual.left;
391 pt.y = y + virtual.top;
392 return pt;
395 /* Get the primary monitor rect from the host system */
396 RECT get_host_primary_monitor_rect(void)
398 INT gpu_count, adapter_count, monitor_count;
399 struct gdi_gpu *gpus = NULL;
400 struct gdi_adapter *adapters = NULL;
401 struct gdi_monitor *monitors = NULL;
402 RECT rect = {0};
404 /* The first monitor is always primary */
405 if (host_handler.get_gpus(&gpus, &gpu_count) && gpu_count &&
406 host_handler.get_adapters(gpus[0].id, &adapters, &adapter_count) && adapter_count &&
407 host_handler.get_monitors(adapters[0].id, &monitors, &monitor_count) && monitor_count)
408 rect = monitors[0].rc_monitor;
410 if (gpus) host_handler.free_gpus(gpus);
411 if (adapters) host_handler.free_adapters(adapters);
412 if (monitors) host_handler.free_monitors(monitors, monitor_count);
413 return rect;
416 RECT get_work_area(const RECT *monitor_rect)
418 Atom type;
419 int format;
420 unsigned long count, remaining, i;
421 long *work_area;
422 RECT work_rect;
424 /* Try _GTK_WORKAREAS first as _NET_WORKAREA may be incorrect on multi-monitor systems */
425 if (!XGetWindowProperty(gdi_display, DefaultRootWindow(gdi_display),
426 x11drv_atom(_GTK_WORKAREAS_D0), 0, ~0, False, XA_CARDINAL, &type,
427 &format, &count, &remaining, (unsigned char **)&work_area))
429 if (type == XA_CARDINAL && format == 32)
431 for (i = 0; i < count / 4; ++i)
433 work_rect.left = work_area[i * 4];
434 work_rect.top = work_area[i * 4 + 1];
435 work_rect.right = work_rect.left + work_area[i * 4 + 2];
436 work_rect.bottom = work_rect.top + work_area[i * 4 + 3];
438 if (intersect_rect( &work_rect, &work_rect, monitor_rect ))
440 TRACE("work_rect:%s.\n", wine_dbgstr_rect(&work_rect));
441 XFree(work_area);
442 return work_rect;
446 XFree(work_area);
449 WARN("_GTK_WORKAREAS is not supported, fallback to _NET_WORKAREA. "
450 "Work areas may be incorrect on multi-monitor systems.\n");
451 if (!XGetWindowProperty(gdi_display, DefaultRootWindow(gdi_display), x11drv_atom(_NET_WORKAREA),
452 0, ~0, False, XA_CARDINAL, &type, &format, &count, &remaining,
453 (unsigned char **)&work_area))
455 if (type == XA_CARDINAL && format == 32 && count >= 4)
457 SetRect(&work_rect, work_area[0], work_area[1], work_area[0] + work_area[2],
458 work_area[1] + work_area[3]);
460 if (intersect_rect( &work_rect, &work_rect, monitor_rect ))
462 TRACE("work_rect:%s.\n", wine_dbgstr_rect(&work_rect));
463 XFree(work_area);
464 return work_rect;
467 XFree(work_area);
470 WARN("_NET_WORKAREA is not supported, Work areas may be incorrect.\n");
471 TRACE("work_rect:%s.\n", wine_dbgstr_rect(monitor_rect));
472 return *monitor_rect;
475 void X11DRV_DisplayDevices_SetHandler(const struct x11drv_display_device_handler *new_handler)
477 if (new_handler->priority > host_handler.priority)
479 host_handler = *new_handler;
480 TRACE("Display device functions are now handled by: %s\n", host_handler.name);
484 void X11DRV_DisplayDevices_RegisterEventHandlers(void)
486 if (host_handler.register_event_handlers) host_handler.register_event_handlers();
489 /* Report whether a display device handler supports detecting dynamic device changes */
490 BOOL X11DRV_DisplayDevices_SupportEventHandlers(void)
492 return !!host_handler.register_event_handlers;
495 static BOOL force_display_devices_refresh;
497 static const char *debugstr_devmodew( const DEVMODEW *devmode )
499 char position[32] = {0};
501 if (devmode->dmFields & DM_POSITION)
503 snprintf( position, sizeof(position), " at (%d,%d)",
504 (int)devmode->dmPosition.x, (int)devmode->dmPosition.y );
507 return wine_dbg_sprintf( "%ux%u %ubits %uHz rotated %u degrees%s",
508 (unsigned int)devmode->dmPelsWidth,
509 (unsigned int)devmode->dmPelsHeight,
510 (unsigned int)devmode->dmBitsPerPel,
511 (unsigned int)devmode->dmDisplayFrequency,
512 (unsigned int)devmode->dmDisplayOrientation * 90,
513 position );
516 BOOL X11DRV_UpdateDisplayDevices( const struct gdi_device_manager *device_manager, BOOL force, void *param )
518 struct gdi_adapter *adapters;
519 struct gdi_monitor *monitors;
520 struct gdi_gpu *gpus;
521 INT gpu_count, adapter_count, monitor_count;
522 INT gpu, adapter, monitor;
523 DEVMODEW *modes, *mode;
524 UINT mode_count;
526 if (!force && !force_display_devices_refresh) return TRUE;
527 force_display_devices_refresh = FALSE;
529 TRACE( "via %s\n", debugstr_a(host_handler.name) );
531 /* Initialize GPUs */
532 if (!host_handler.get_gpus( &gpus, &gpu_count )) return FALSE;
533 TRACE("GPU count: %d\n", gpu_count);
535 for (gpu = 0; gpu < gpu_count; gpu++)
537 device_manager->add_gpu( &gpus[gpu], param );
539 /* Initialize adapters */
540 if (!host_handler.get_adapters( gpus[gpu].id, &adapters, &adapter_count )) break;
541 TRACE("GPU: %#lx %s, adapter count: %d\n", gpus[gpu].id, wine_dbgstr_w(gpus[gpu].name), adapter_count);
543 for (adapter = 0; adapter < adapter_count; adapter++)
545 DEVMODEW current_mode = {.dmSize = sizeof(current_mode)};
546 WCHAR devname[32];
547 char buffer[32];
548 x11drv_settings_id settings_id;
549 BOOL is_primary = adapters[adapter].state_flags & DISPLAY_DEVICE_PRIMARY_DEVICE;
551 device_manager->add_adapter( &adapters[adapter], param );
553 if (!host_handler.get_monitors( adapters[adapter].id, &monitors, &monitor_count )) break;
554 TRACE("adapter: %#lx, monitor count: %d\n", adapters[adapter].id, monitor_count);
556 /* Initialize monitors */
557 for (monitor = 0; monitor < monitor_count; monitor++)
558 device_manager->add_monitor( &monitors[monitor], param );
560 host_handler.free_monitors( monitors, monitor_count );
562 /* Get the settings handler id for the adapter */
563 snprintf( buffer, sizeof(buffer), "\\\\.\\DISPLAY%d", adapter + 1 );
564 asciiz_to_unicode( devname, buffer );
565 if (!settings_handler.get_id( devname, is_primary, &settings_id )) break;
567 settings_handler.get_current_mode( settings_id, &current_mode );
568 if (!settings_handler.get_modes( settings_id, EDS_ROTATEDMODE, &modes, &mode_count ))
569 continue;
571 for (mode = modes; mode_count; mode_count--)
573 if (is_same_devmode( mode, &current_mode ))
575 TRACE( "current mode: %s\n", debugstr_devmodew( &current_mode ) );
576 device_manager->add_mode( &current_mode, TRUE, param );
578 else
580 TRACE( "mode: %s\n", debugstr_devmodew( mode ) );
581 device_manager->add_mode( mode, FALSE, param );
583 mode = (DEVMODEW *)((char *)mode + sizeof(*modes) + modes[0].dmDriverExtra);
586 settings_handler.free_modes( modes );
589 host_handler.free_adapters( adapters );
592 host_handler.free_gpus( gpus );
593 return TRUE;
596 void X11DRV_DisplayDevices_Init(BOOL force)
598 UINT32 num_path, num_mode;
600 if (force) force_display_devices_refresh = TRUE;
601 /* trigger refresh in win32u */
602 NtUserGetDisplayConfigBufferSizes( QDC_ONLY_ACTIVE_PATHS, &num_path, &num_mode );