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"
26 #ifdef SONAME_LIBXRANDR
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 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
46 MAKE_FUNCPTR(XRRConfigCurrentConfiguration)
47 MAKE_FUNCPTR(XRRConfigCurrentRate)
48 MAKE_FUNCPTR(XRRFreeScreenConfigInfo)
49 MAKE_FUNCPTR(XRRGetScreenInfo)
50 MAKE_FUNCPTR(XRRQueryExtension)
51 MAKE_FUNCPTR(XRRQueryVersion)
52 MAKE_FUNCPTR(XRRRates)
53 MAKE_FUNCPTR(XRRSetScreenConfig)
54 MAKE_FUNCPTR(XRRSetScreenConfigAndRate)
55 MAKE_FUNCPTR(XRRSizes)
60 static int xrandr_event, xrandr_error, xrandr_major, xrandr_minor;
62 static LPDDHALMODEINFO dd_modes;
63 static unsigned int dd_mode_count;
64 static XRRScreenSize *real_xrandr_sizes;
65 static short **real_xrandr_rates;
66 static int real_xrandr_sizes_count;
67 static int *real_xrandr_rates_count;
68 static unsigned int real_xrandr_modes_count;
70 static int load_xrandr(void)
74 if (wine_dlopen(SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
75 wine_dlopen(SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
76 wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
77 (xrandr_handle = wine_dlopen(SONAME_LIBXRANDR, RTLD_NOW, NULL, 0)))
80 #define LOAD_FUNCPTR(f) \
81 if((p##f = wine_dlsym(xrandr_handle, #f, NULL, 0)) == NULL) \
84 LOAD_FUNCPTR(XRRConfigCurrentConfiguration)
85 LOAD_FUNCPTR(XRRConfigCurrentRate)
86 LOAD_FUNCPTR(XRRFreeScreenConfigInfo)
87 LOAD_FUNCPTR(XRRGetScreenInfo)
88 LOAD_FUNCPTR(XRRQueryExtension)
89 LOAD_FUNCPTR(XRRQueryVersion)
90 LOAD_FUNCPTR(XRRRates)
91 LOAD_FUNCPTR(XRRSetScreenConfig)
92 LOAD_FUNCPTR(XRRSetScreenConfigAndRate)
93 LOAD_FUNCPTR(XRRSizes)
100 if (!r) TRACE("Unable to load function ptrs from XRandR library\n");
105 static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
111 /* create the mode structures */
112 static void make_modes(void)
116 for (i=0; i<real_xrandr_sizes_count; i++)
118 if (real_xrandr_rates_count[i])
120 for (j=0; j < real_xrandr_rates_count[i]; j++)
122 X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
123 real_xrandr_sizes[i].height,
124 0, real_xrandr_rates[i][j]);
129 X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
130 real_xrandr_sizes[i].height,
136 static int X11DRV_XRandR_GetCurrentMode(void)
141 XRRScreenConfiguration *sc;
147 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
148 sc = pXRRGetScreenInfo (gdi_display, root);
149 size = pXRRConfigCurrentConfiguration (sc, &rot);
150 rate = pXRRConfigCurrentRate (sc);
151 pXRRFreeScreenConfigInfo(sc);
153 for (i = 0; i < real_xrandr_modes_count; i++)
155 if ( (dd_modes[i].dwWidth == real_xrandr_sizes[size].width ) &&
156 (dd_modes[i].dwHeight == real_xrandr_sizes[size].height) &&
157 (dd_modes[i].wRefreshRate == rate ) )
165 ERR("In unknown mode, returning default\n");
171 static LONG X11DRV_XRandR_SetCurrentMode(int mode)
176 XRRScreenConfiguration *sc;
177 Status stat = RRSetConfigSuccess;
181 DWORD dwBpp = screen_bpp;
184 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
185 sc = pXRRGetScreenInfo (gdi_display, root);
186 size = pXRRConfigCurrentConfiguration (sc, &rot);
187 if (dwBpp != dd_modes[mode].dwBPP)
189 FIXME("Cannot change screen BPP from %d to %d\n", dwBpp, dd_modes[mode].dwBPP);
191 mode = mode%real_xrandr_modes_count;
193 TRACE("Changing Resolution to %dx%d @%d Hz\n",
194 dd_modes[mode].dwWidth,
195 dd_modes[mode].dwHeight,
196 dd_modes[mode].wRefreshRate);
198 for (i = 0; i < real_xrandr_sizes_count; i++)
200 if ( (dd_modes[mode].dwWidth == real_xrandr_sizes[i].width ) &&
201 (dd_modes[mode].dwHeight == real_xrandr_sizes[i].height) )
204 if (real_xrandr_rates_count[i])
206 for (j=0; j < real_xrandr_rates_count[i]; j++)
208 if (dd_modes[mode].wRefreshRate == real_xrandr_rates[i][j])
210 rate = real_xrandr_rates[i][j];
211 TRACE("Resizing X display to %dx%d @%d Hz\n",
212 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight, rate);
213 stat = pXRRSetScreenConfigAndRate (gdi_display, sc, root,
214 size, rot, rate, CurrentTime);
221 TRACE("Resizing X display to %dx%d <default Hz>\n",
222 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
223 stat = pXRRSetScreenConfig (gdi_display, sc, root, size, rot, CurrentTime);
228 pXRRFreeScreenConfigInfo(sc);
230 if (stat == RRSetConfigSuccess)
232 X11DRV_handle_desktop_resize( dd_modes[mode].dwWidth, dd_modes[mode].dwHeight );
233 return DISP_CHANGE_SUCCESSFUL;
236 ERR("Resolution change not successful -- perhaps display has changed?\n");
237 return DISP_CHANGE_FAILED;
240 void X11DRV_XRandR_Init(void)
246 if (xrandr_major) return; /* already initialized? */
247 if (!usexrandr) return; /* disabled in config */
248 if (root_window != DefaultRootWindow( gdi_display )) return;
249 if (!load_xrandr()) return; /* can't load the Xrandr library */
251 /* see if Xrandr is available */
253 ok = pXRRQueryExtension(gdi_display, &xrandr_event, &xrandr_error);
256 X11DRV_expect_error(gdi_display, XRandRErrorHandler, NULL);
257 ok = pXRRQueryVersion(gdi_display, &xrandr_major, &xrandr_minor);
258 if (X11DRV_check_error()) ok = FALSE;
262 TRACE("Found XRandR - major: %d, minor: %d\n", xrandr_major, xrandr_minor);
264 real_xrandr_sizes = pXRRSizes(gdi_display, DefaultScreen(gdi_display), &real_xrandr_sizes_count);
265 ok = (real_xrandr_sizes_count>0);
269 TRACE("XRandR: found %u resolutions sizes\n", real_xrandr_sizes_count);
270 real_xrandr_rates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(short *) * real_xrandr_sizes_count);
271 real_xrandr_rates_count = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * real_xrandr_sizes_count);
272 for (i=0; i < real_xrandr_sizes_count; i++)
274 real_xrandr_rates[i] = pXRRRates (gdi_display, DefaultScreen(gdi_display), i, &(real_xrandr_rates_count[i]));
275 TRACE("- at %u: %dx%d (%d rates):", i, real_xrandr_sizes[i].width, real_xrandr_sizes[i].height, real_xrandr_rates_count[i]);
276 if (real_xrandr_rates_count[i])
279 nmodes += real_xrandr_rates_count[i];
280 for (j = 0; j < real_xrandr_rates_count[i]; ++j) {
281 if (j > 0) TRACE(",");
282 TRACE(" %d", real_xrandr_rates[i][j]);
296 real_xrandr_modes_count = nmodes;
297 TRACE("XRandR modes: count=%d\n", nmodes);
299 dd_modes = X11DRV_Settings_SetHandlers("XRandR",
300 X11DRV_XRandR_GetCurrentMode,
301 X11DRV_XRandR_SetCurrentMode,
304 X11DRV_Settings_AddDepthModes();
305 dd_mode_count = X11DRV_Settings_GetModeCount();
307 TRACE("Available DD modes: count=%d\n", dd_mode_count);
308 TRACE("Enabling XRandR\n");
311 void X11DRV_XRandR_Cleanup(void)
313 HeapFree(GetProcessHeap(), 0, real_xrandr_rates);
314 real_xrandr_rates = NULL;
315 HeapFree(GetProcessHeap(), 0, real_xrandr_rates_count);
316 real_xrandr_rates_count = NULL;
319 #endif /* SONAME_LIBXRANDR */