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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
29 #include <X11/extensions/Xrandr.h>
39 #include "wine/library.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
44 static void *xrandr_handle;
46 /* some default values just in case */
48 #define SONAME_LIBX11 "libX11.so"
50 #ifndef SONAME_LIBXEXT
51 #define SONAME_LIBXEXT "libXext.so"
53 #ifndef SONAME_LIBXRENDER
54 #define SONAME_LIBXRENDER "libXrender.so"
56 #ifndef SONAME_LIBXRANDR
57 #define SONAME_LIBXRANDR "libXrandr.so"
60 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
61 MAKE_FUNCPTR(XRRConfigCurrentConfiguration)
62 MAKE_FUNCPTR(XRRConfigCurrentRate)
63 MAKE_FUNCPTR(XRRFreeScreenConfigInfo)
64 MAKE_FUNCPTR(XRRGetScreenInfo)
65 MAKE_FUNCPTR(XRRQueryExtension)
66 MAKE_FUNCPTR(XRRQueryVersion)
67 MAKE_FUNCPTR(XRRRates)
68 MAKE_FUNCPTR(XRRSetScreenConfig)
69 MAKE_FUNCPTR(XRRSetScreenConfigAndRate)
70 MAKE_FUNCPTR(XRRSizes)
75 static int xrandr_event, xrandr_error, xrandr_major, xrandr_minor;
77 static LPDDHALMODEINFO dd_modes;
78 static unsigned int dd_mode_count;
79 static XRRScreenSize *real_xrandr_sizes;
80 static short **real_xrandr_rates;
81 static unsigned int real_xrandr_sizes_count;
82 static int *real_xrandr_rates_count;
83 static unsigned int real_xrandr_modes_count;
89 if (wine_dlopen(SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
90 wine_dlopen(SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
91 wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
92 (xrandr_handle = wine_dlopen(SONAME_LIBXRANDR, RTLD_NOW, NULL, 0)))
95 #define LOAD_FUNCPTR(f) \
96 if((p##f = wine_dlsym(xrandr_handle, #f, NULL, 0)) == NULL) \
99 LOAD_FUNCPTR(XRRConfigCurrentConfiguration)
100 LOAD_FUNCPTR(XRRConfigCurrentRate)
101 LOAD_FUNCPTR(XRRFreeScreenConfigInfo)
102 LOAD_FUNCPTR(XRRGetScreenInfo)
103 LOAD_FUNCPTR(XRRQueryExtension)
104 LOAD_FUNCPTR(XRRQueryVersion)
105 LOAD_FUNCPTR(XRRRates)
106 LOAD_FUNCPTR(XRRSetScreenConfig)
107 LOAD_FUNCPTR(XRRSetScreenConfigAndRate)
108 LOAD_FUNCPTR(XRRSizes)
115 if (!r) TRACE("Unable to load function ptrs from XRandR library\n");
120 static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
126 /* create the mode structures */
127 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;
193 DWORD dwBpp = screen_depth;
194 if (dwBpp == 24) dwBpp = 32;
197 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
198 sc = pXRRGetScreenInfo (gdi_display, root);
199 size = pXRRConfigCurrentConfiguration (sc, &rot);
200 if (dwBpp != dd_modes[mode].dwBPP)
202 FIXME("Cannot change screen BPP from %ld to %ld\n", dwBpp, dd_modes[mode].dwBPP);
204 mode = mode%real_xrandr_modes_count;
205 for (i = 0; i < real_xrandr_sizes_count; i++)
207 if ( (dd_modes[mode].dwWidth == real_xrandr_sizes[i].width ) &&
208 (dd_modes[mode].dwHeight == real_xrandr_sizes[i].height) )
211 if (real_xrandr_rates_count[i])
213 for (j=0; j < real_xrandr_rates_count[i]; j++)
215 if (dd_modes[mode].wRefreshRate == real_xrandr_rates[i][j])
217 rate = real_xrandr_rates[i][j];
218 TRACE("Resizing X display to %ldx%ld @%d Hz\n",
219 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight, rate);
220 stat = pXRRSetScreenConfigAndRate (gdi_display, sc, root,
221 size, rot, rate, CurrentTime);
227 TRACE("Resizing X display to %ldx%ld\n",
228 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
229 stat = pXRRSetScreenConfig (gdi_display, sc, root,
230 size, rot, CurrentTime);
234 pXRRFreeScreenConfigInfo(sc);
236 if (stat == RRSetConfigSuccess)
237 X11DRV_handle_desktop_resize( dd_modes[mode].dwWidth, dd_modes[mode].dwHeight );
239 ERR("Resolution change not successful -- perhaps display has changed?\n");
242 void X11DRV_XRandR_Init(void)
248 if (xrandr_major) return; /* already initialized? */
249 if (!usexrandr) return; /* disabled in config */
250 if (using_wine_desktop) return; /* not compatible with desktop mode */
251 if (!load_xrandr()) return; /* can't load the Xrandr library */
253 /* see if Xrandr is available */
255 ok = pXRRQueryExtension(gdi_display, &xrandr_event, &xrandr_error);
258 X11DRV_expect_error(gdi_display, XRandRErrorHandler, NULL);
259 ok = pXRRQueryVersion(gdi_display, &xrandr_major, &xrandr_minor);
260 if (X11DRV_check_error()) ok = FALSE;
264 TRACE("Found XRandR - major: %d, minor: %d\n", xrandr_major, xrandr_minor);
266 real_xrandr_sizes = pXRRSizes(gdi_display, DefaultScreen(gdi_display), &real_xrandr_sizes_count);
267 ok = (real_xrandr_sizes_count>0);
271 real_xrandr_rates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(short *) * real_xrandr_sizes_count);
272 real_xrandr_rates_count = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * real_xrandr_sizes_count);
273 for (i=0; i < real_xrandr_sizes_count; i++)
275 real_xrandr_rates[i] = pXRRRates (gdi_display, DefaultScreen(gdi_display), i, &(real_xrandr_rates_count[i]));
276 if (real_xrandr_rates_count[i])
278 nmodes += real_xrandr_rates_count[i];
289 real_xrandr_modes_count = nmodes;
290 TRACE("XRandR modes: count=%d\n", nmodes);
292 dd_modes = X11DRV_Settings_SetHandlers("XRandR",
293 X11DRV_XRandR_GetCurrentMode,
294 X11DRV_XRandR_SetCurrentMode,
297 X11DRV_Settings_AddDepthModes();
298 dd_mode_count = X11DRV_Settings_GetModeCount();
299 X11DRV_Settings_SetDefaultMode(0);
301 TRACE("Available DD modes: count=%d\n", dd_mode_count);
302 TRACE("Enabling XRandR\n");
305 void X11DRV_XRandR_Cleanup(void)
307 if (real_xrandr_rates)
309 HeapFree(GetProcessHeap(), 0, real_xrandr_rates);
310 real_xrandr_rates = NULL;
312 if (real_xrandr_rates_count)
314 HeapFree(GetProcessHeap(), 0, real_xrandr_rates_count);
315 real_xrandr_rates_count = NULL;
319 #endif /* HAVE_LIBXRANDR */