2 * Wine X11drv Xrandr interface
4 * Copyright 2003 Alexander James Pasadyn
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
22 #include "wine/port.h"
29 #include <X11/extensions/Xrandr.h>
38 #include "wine/library.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
43 static void *xrandr_handle;
45 /* some default values just in case */
47 #define SONAME_LIBX11 "libX11.so"
49 #ifndef SONAME_LIBXEXT
50 #define SONAME_LIBXEXT "libXext.so"
52 #ifndef SONAME_LIBXRENDER
53 #define SONAME_LIBXRENDER "libXrender.so"
55 #ifndef SONAME_LIBXRANDR
56 #define SONAME_LIBXRANDR "libXrandr.so"
59 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
60 MAKE_FUNCPTR(XRRConfigCurrentConfiguration)
61 MAKE_FUNCPTR(XRRConfigCurrentRate)
62 MAKE_FUNCPTR(XRRFreeScreenConfigInfo)
63 MAKE_FUNCPTR(XRRGetScreenInfo)
64 MAKE_FUNCPTR(XRRQueryExtension)
65 MAKE_FUNCPTR(XRRQueryVersion)
66 MAKE_FUNCPTR(XRRRates)
67 MAKE_FUNCPTR(XRRSetScreenConfig)
68 MAKE_FUNCPTR(XRRSetScreenConfigAndRate)
69 MAKE_FUNCPTR(XRRSizes)
74 static int xrandr_event, xrandr_error, xrandr_major, xrandr_minor;
76 static LPDDHALMODEINFO dd_modes;
77 static unsigned int dd_mode_count;
78 static XRRScreenSize *real_xrandr_sizes;
79 static short **real_xrandr_rates;
80 static int real_xrandr_sizes_count;
81 static int *real_xrandr_rates_count;
82 static unsigned int real_xrandr_modes_count;
84 static int load_xrandr(void)
88 if (wine_dlopen(SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
89 wine_dlopen(SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
90 wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
91 (xrandr_handle = wine_dlopen(SONAME_LIBXRANDR, RTLD_NOW, NULL, 0)))
94 #define LOAD_FUNCPTR(f) \
95 if((p##f = wine_dlsym(xrandr_handle, #f, NULL, 0)) == NULL) \
98 LOAD_FUNCPTR(XRRConfigCurrentConfiguration)
99 LOAD_FUNCPTR(XRRConfigCurrentRate)
100 LOAD_FUNCPTR(XRRFreeScreenConfigInfo)
101 LOAD_FUNCPTR(XRRGetScreenInfo)
102 LOAD_FUNCPTR(XRRQueryExtension)
103 LOAD_FUNCPTR(XRRQueryVersion)
104 LOAD_FUNCPTR(XRRRates)
105 LOAD_FUNCPTR(XRRSetScreenConfig)
106 LOAD_FUNCPTR(XRRSetScreenConfigAndRate)
107 LOAD_FUNCPTR(XRRSizes)
114 if (!r) TRACE("Unable to load function ptrs from XRandR library\n");
119 static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
125 /* create the mode structures */
126 static void make_modes(void)
130 for (i=0; i<real_xrandr_sizes_count; i++)
132 if (real_xrandr_rates_count[i])
134 for (j=0; j < real_xrandr_rates_count[i]; j++)
136 X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
137 real_xrandr_sizes[i].height,
138 0, real_xrandr_rates[i][j]);
143 X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
144 real_xrandr_sizes[i].height,
150 static int X11DRV_XRandR_GetCurrentMode(void)
155 XRRScreenConfiguration *sc;
161 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
162 sc = pXRRGetScreenInfo (gdi_display, root);
163 size = pXRRConfigCurrentConfiguration (sc, &rot);
164 rate = pXRRConfigCurrentRate (sc);
165 for (i = 0; i < real_xrandr_modes_count; i++)
167 if ( (dd_modes[i].dwWidth == real_xrandr_sizes[size].width ) &&
168 (dd_modes[i].dwHeight == real_xrandr_sizes[size].height) &&
169 (dd_modes[i].wRefreshRate == rate ) )
174 pXRRFreeScreenConfigInfo(sc);
178 ERR("In unknown mode, returning default\n");
184 static void X11DRV_XRandR_SetCurrentMode(int mode)
189 XRRScreenConfiguration *sc;
190 Status stat = RRSetConfigSuccess;
194 DWORD dwBpp = screen_depth;
195 if (dwBpp == 24) dwBpp = 32;
198 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
199 sc = pXRRGetScreenInfo (gdi_display, root);
200 size = pXRRConfigCurrentConfiguration (sc, &rot);
201 if (dwBpp != dd_modes[mode].dwBPP)
203 FIXME("Cannot change screen BPP from %d to %d\n", dwBpp, dd_modes[mode].dwBPP);
205 mode = mode%real_xrandr_modes_count;
207 TRACE("Changing Resolution to %dx%d @%d Hz\n",
208 dd_modes[mode].dwWidth,
209 dd_modes[mode].dwHeight,
210 dd_modes[mode].wRefreshRate);
212 for (i = 0; i < real_xrandr_sizes_count; i++)
214 if ( (dd_modes[mode].dwWidth == real_xrandr_sizes[i].width ) &&
215 (dd_modes[mode].dwHeight == real_xrandr_sizes[i].height) )
218 if (real_xrandr_rates_count[i])
220 for (j=0; j < real_xrandr_rates_count[i]; j++)
222 if (dd_modes[mode].wRefreshRate == real_xrandr_rates[i][j])
224 rate = real_xrandr_rates[i][j];
225 TRACE("Resizing X display to %dx%d @%d Hz\n",
226 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight, rate);
227 stat = pXRRSetScreenConfigAndRate (gdi_display, sc, root,
228 size, rot, rate, CurrentTime);
234 TRACE("Resizing X display to %dx%d <default Hz>\n",
235 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
236 stat = pXRRSetScreenConfig (gdi_display, sc, root, size, rot, CurrentTime);
240 pXRRFreeScreenConfigInfo(sc);
242 if (stat == RRSetConfigSuccess)
243 X11DRV_handle_desktop_resize( dd_modes[mode].dwWidth, dd_modes[mode].dwHeight );
245 ERR("Resolution change not successful -- perhaps display has changed?\n");
248 void X11DRV_XRandR_Init(void)
254 if (xrandr_major) return; /* already initialized? */
255 if (!usexrandr) return; /* disabled in config */
256 if (root_window != DefaultRootWindow( gdi_display )) return;
257 if (!load_xrandr()) return; /* can't load the Xrandr library */
259 /* see if Xrandr is available */
261 ok = pXRRQueryExtension(gdi_display, &xrandr_event, &xrandr_error);
264 X11DRV_expect_error(gdi_display, XRandRErrorHandler, NULL);
265 ok = pXRRQueryVersion(gdi_display, &xrandr_major, &xrandr_minor);
266 if (X11DRV_check_error()) ok = FALSE;
270 TRACE("Found XRandR - major: %d, minor: %d\n", xrandr_major, xrandr_minor);
272 real_xrandr_sizes = pXRRSizes(gdi_display, DefaultScreen(gdi_display), &real_xrandr_sizes_count);
273 ok = (real_xrandr_sizes_count>0);
277 TRACE("XRandR: found %u resolutions sizes\n", real_xrandr_sizes_count);
278 real_xrandr_rates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(short *) * real_xrandr_sizes_count);
279 real_xrandr_rates_count = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * real_xrandr_sizes_count);
280 for (i=0; i < real_xrandr_sizes_count; i++)
282 real_xrandr_rates[i] = pXRRRates (gdi_display, DefaultScreen(gdi_display), i, &(real_xrandr_rates_count[i]));
283 TRACE("- at %u: %dx%d (%d rates):", i, real_xrandr_sizes[i].width, real_xrandr_sizes[i].height, real_xrandr_rates_count[i]);
284 if (real_xrandr_rates_count[i])
287 nmodes += real_xrandr_rates_count[i];
288 for (j = 0; j < real_xrandr_rates_count[i]; ++j) {
289 if (j > 0) TRACE(",");
290 TRACE(" %d", real_xrandr_rates[i][j]);
304 real_xrandr_modes_count = nmodes;
305 TRACE("XRandR modes: count=%d\n", nmodes);
307 dd_modes = X11DRV_Settings_SetHandlers("XRandR",
308 X11DRV_XRandR_GetCurrentMode,
309 X11DRV_XRandR_SetCurrentMode,
312 X11DRV_Settings_AddDepthModes();
313 dd_mode_count = X11DRV_Settings_GetModeCount();
314 X11DRV_Settings_SetDefaultMode(0);
316 TRACE("Available DD modes: count=%d\n", dd_mode_count);
317 TRACE("Enabling XRandR\n");
320 void X11DRV_XRandR_Cleanup(void)
322 HeapFree(GetProcessHeap(), 0, real_xrandr_rates);
323 real_xrandr_rates = NULL;
324 HeapFree(GetProcessHeap(), 0, real_xrandr_rates_count);
325 real_xrandr_rates_count = NULL;
328 #endif /* HAVE_LIBXRANDR */