1 /*
2 * Wine X11drv Xrandr interface
3 *
4 * Copyright 2003 Alexander James Pasadyn
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23 #include <string.h>
24 #include <stdio.h>
25
26 #ifdef SONAME_LIBXRANDR
27
28 #include <X11/Xlib.h>
29 #include <X11/extensions/Xrandr.h>
30 #include "x11drv.h"
31
32 #include "xrandr.h"
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wingdi.h"
37 #include "ddrawi.h"
38 #include "wine/library.h"
39 #include "wine/debug.h"
40
41 WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
42
43 static void *xrandr_handle;
44
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)
56 #undef MAKE_FUNCPTR
57
58 extern int usexrandr;
59
60 static int xrandr_event, xrandr_error, xrandr_major, xrandr_minor;
61
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;
69
70 static int load_xrandr(void)
71 {
72 int r = 0;
73
74 if (wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
75 (xrandr_handle = wine_dlopen(SONAME_LIBXRANDR, RTLD_NOW, NULL, 0)))
76 {
77
78 #define LOAD_FUNCPTR(f) \
79 if((p##f = wine_dlsym(xrandr_handle, #f, NULL, 0)) == NULL) \
80 goto sym_not_found;
81
82 LOAD_FUNCPTR(XRRConfigCurrentConfiguration)
83 LOAD_FUNCPTR(XRRConfigCurrentRate)
84 LOAD_FUNCPTR(XRRFreeScreenConfigInfo)
85 LOAD_FUNCPTR(XRRGetScreenInfo)
86 LOAD_FUNCPTR(XRRQueryExtension)
87 LOAD_FUNCPTR(XRRQueryVersion)
88 LOAD_FUNCPTR(XRRRates)
89 LOAD_FUNCPTR(XRRSetScreenConfig)
90 LOAD_FUNCPTR(XRRSetScreenConfigAndRate)
91 LOAD_FUNCPTR(XRRSizes)
92
93 #undef LOAD_FUNCPTR
94
95 r = 1; /* success */
96
97 sym_not_found:
98 if (!r) TRACE("Unable to load function ptrs from XRandR library\n");
99 }
100 return r;
101 }
102
103 static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
104 {
105 return 1;
106 }
107
108
109 /* create the mode structures */
110 static void make_modes(void)
111 {
112 int i, j;
113
114 for (i=0; i<real_xrandr_sizes_count; i++)
115 {
116 if (real_xrandr_rates_count[i])
117 {
118 for (j=0; j < real_xrandr_rates_count[i]; j++)
119 {
120 X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
121 real_xrandr_sizes[i].height,
122 0, real_xrandr_rates[i][j]);
123 }
124 }
125 else
126 {
127 X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
128 real_xrandr_sizes[i].height,
129 0, 0);
130 }
131 }
132 }
133
134 static int X11DRV_XRandR_GetCurrentMode(void)
135 {
136 SizeID size;
137 Rotation rot;
138 Window root;
139 XRRScreenConfiguration *sc;
140 short rate;
141 unsigned int i;
142 int res = -1;
143
144 wine_tsx11_lock();
145 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
146 sc = pXRRGetScreenInfo (gdi_display, root);
147 size = pXRRConfigCurrentConfiguration (sc, &rot);
148 rate = pXRRConfigCurrentRate (sc);
149 pXRRFreeScreenConfigInfo(sc);
150 wine_tsx11_unlock();
151 for (i = 0; i < real_xrandr_modes_count; i++)
152 {
153 if ( (dd_modes[i].dwWidth == real_xrandr_sizes[size].width ) &&
154 (dd_modes[i].dwHeight == real_xrandr_sizes[size].height) &&
155 (dd_modes[i].wRefreshRate == rate ) )
156 {
157 res = i;
158 break;
159 }
160 }
161 if (res == -1)
162 {
163 ERR("In unknown mode, returning default\n");
164 res = 0;
165 }
166 return res;
167 }
168
169 static LONG X11DRV_XRandR_SetCurrentMode(int mode)
170 {
171 SizeID size;
172 Rotation rot;
173 Window root;
174 XRRScreenConfiguration *sc;
175 Status stat = RRSetConfigSuccess;
176 short rate;
177 unsigned int i;
178 int j;
179
180 wine_tsx11_lock();
181 root = RootWindow (gdi_display, DefaultScreen(gdi_display));
182 sc = pXRRGetScreenInfo (gdi_display, root);
183 size = pXRRConfigCurrentConfiguration (sc, &rot);
184 mode = mode%real_xrandr_modes_count;
185
186 TRACE("Changing Resolution to %dx%d @%d Hz\n",
187 dd_modes[mode].dwWidth,
188 dd_modes[mode].dwHeight,
189 dd_modes[mode].wRefreshRate);
190
191 for (i = 0; i < real_xrandr_sizes_count; i++)
192 {
193 if ( (dd_modes[mode].dwWidth == real_xrandr_sizes[i].width ) &&
194 (dd_modes[mode].dwHeight == real_xrandr_sizes[i].height) )
195 {
196 size = i;
197 if (real_xrandr_rates_count[i])
198 {
199 for (j=0; j < real_xrandr_rates_count[i]; j++)
200 {
201 if (dd_modes[mode].wRefreshRate == real_xrandr_rates[i][j])
202 {
203 rate = real_xrandr_rates[i][j];
204 TRACE("Resizing X display to %dx%d @%d Hz\n",
205 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight, rate);
206 stat = pXRRSetScreenConfigAndRate (gdi_display, sc, root,
207 size, rot, rate, CurrentTime);
208 break;
209 }
210 }
211 }
212 else
213 {
214 TRACE("Resizing X display to %dx%d <default Hz>\n",
215 dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
216 stat = pXRRSetScreenConfig (gdi_display, sc, root, size, rot, CurrentTime);
217 }
218 break;
219 }
220 }
221 pXRRFreeScreenConfigInfo(sc);
222 wine_tsx11_unlock();
223 if (stat == RRSetConfigSuccess)
224 {
225 X11DRV_resize_desktop( dd_modes[mode].dwWidth, dd_modes[mode].dwHeight );
226 return DISP_CHANGE_SUCCESSFUL;
227 }
228
229 ERR("Resolution change not successful -- perhaps display has changed?\n");
230 return DISP_CHANGE_FAILED;
231 }
232
233 void X11DRV_XRandR_Init(void)
234 {
235 Bool ok;
236 int i, nmodes = 0;
237
238 if (xrandr_major) return; /* already initialized? */
239 if (!usexrandr) return; /* disabled in config */
240 if (root_window != DefaultRootWindow( gdi_display )) return;
241 if (!load_xrandr()) return; /* can't load the Xrandr library */
242
243 /* see if Xrandr is available */
244 wine_tsx11_lock();
245 ok = pXRRQueryExtension(gdi_display, &xrandr_event, &xrandr_error);
246 if (ok)
247 {
248 X11DRV_expect_error(gdi_display, XRandRErrorHandler, NULL);
249 ok = pXRRQueryVersion(gdi_display, &xrandr_major, &xrandr_minor);
250 if (X11DRV_check_error()) ok = FALSE;
251 }
252 if (ok)
253 {
254 TRACE("Found XRandR - major: %d, minor: %d\n", xrandr_major, xrandr_minor);
255 /* retrieve modes */
256 real_xrandr_sizes = pXRRSizes(gdi_display, DefaultScreen(gdi_display), &real_xrandr_sizes_count);
257 ok = (real_xrandr_sizes_count>0);
258 }
259 if (ok)
260 {
261 TRACE("XRandR: found %u resolutions sizes\n", real_xrandr_sizes_count);
262 real_xrandr_rates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(short *) * real_xrandr_sizes_count);
263 real_xrandr_rates_count = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * real_xrandr_sizes_count);
264 for (i=0; i < real_xrandr_sizes_count; i++)
265 {
266 real_xrandr_rates[i] = pXRRRates (gdi_display, DefaultScreen(gdi_display), i, &(real_xrandr_rates_count[i]));
267 TRACE("- at %d: %dx%d (%d rates):", i, real_xrandr_sizes[i].width, real_xrandr_sizes[i].height, real_xrandr_rates_count[i]);
268 if (real_xrandr_rates_count[i])
269 {
270 int j;
271 nmodes += real_xrandr_rates_count[i];
272 for (j = 0; j < real_xrandr_rates_count[i]; ++j) {
273 if (j > 0) TRACE(",");
274 TRACE(" %d", real_xrandr_rates[i][j]);
275 }
276 }
277 else
278 {
279 nmodes++;
280 TRACE(" <default>");
281 }
282 TRACE(" Hz\n");
283 }
284 }
285 wine_tsx11_unlock();
286 if (!ok) return;
287
288 real_xrandr_modes_count = nmodes;
289 TRACE("XRandR modes: count=%d\n", nmodes);
290
291 dd_modes = X11DRV_Settings_SetHandlers("XRandR",
292 X11DRV_XRandR_GetCurrentMode,
293 X11DRV_XRandR_SetCurrentMode,
294 nmodes, 1);
295 make_modes();
296 X11DRV_Settings_AddDepthModes();
297 dd_mode_count = X11DRV_Settings_GetModeCount();
298
299 TRACE("Available DD modes: count=%d\n", dd_mode_count);
300 TRACE("Enabling XRandR\n");
301 }
302
303 #endif /* SONAME_LIBXRANDR */
304
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