278 lines
7.5 KiB
C
278 lines
7.5 KiB
C
/*
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* Wine X11drv Xrandr interface
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*
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* Copyright 2003 Alexander James Pasadyn
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
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#ifdef SONAME_LIBXRANDR
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#include <X11/Xlib.h>
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#include <X11/extensions/Xrandr.h>
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#include "x11drv.h"
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#include "wine/library.h"
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static void *xrandr_handle;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f;
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MAKE_FUNCPTR(XRRConfigCurrentConfiguration)
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MAKE_FUNCPTR(XRRConfigCurrentRate)
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MAKE_FUNCPTR(XRRFreeScreenConfigInfo)
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MAKE_FUNCPTR(XRRGetScreenInfo)
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MAKE_FUNCPTR(XRRQueryExtension)
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MAKE_FUNCPTR(XRRQueryVersion)
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MAKE_FUNCPTR(XRRRates)
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MAKE_FUNCPTR(XRRSetScreenConfig)
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MAKE_FUNCPTR(XRRSetScreenConfigAndRate)
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MAKE_FUNCPTR(XRRSizes)
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#undef MAKE_FUNCPTR
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extern int usexrandr;
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static struct x11drv_mode_info *dd_modes;
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static SizeID *xrandr_modes;
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static unsigned int xrandr_mode_count;
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static int load_xrandr(void)
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{
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int r = 0;
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if (wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
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(xrandr_handle = wine_dlopen(SONAME_LIBXRANDR, RTLD_NOW, NULL, 0)))
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{
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#define LOAD_FUNCPTR(f) \
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if((p##f = wine_dlsym(xrandr_handle, #f, NULL, 0)) == NULL) \
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goto sym_not_found;
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LOAD_FUNCPTR(XRRConfigCurrentConfiguration)
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LOAD_FUNCPTR(XRRConfigCurrentRate)
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LOAD_FUNCPTR(XRRFreeScreenConfigInfo)
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LOAD_FUNCPTR(XRRGetScreenInfo)
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LOAD_FUNCPTR(XRRQueryExtension)
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LOAD_FUNCPTR(XRRQueryVersion)
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LOAD_FUNCPTR(XRRRates)
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LOAD_FUNCPTR(XRRSetScreenConfig)
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LOAD_FUNCPTR(XRRSetScreenConfigAndRate)
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LOAD_FUNCPTR(XRRSizes)
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#undef LOAD_FUNCPTR
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r = 1; /* success */
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sym_not_found:
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if (!r) TRACE("Unable to load function ptrs from XRandR library\n");
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}
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return r;
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}
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static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
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{
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return 1;
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}
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static int X11DRV_XRandR_GetCurrentMode(void)
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{
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SizeID size;
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Rotation rot;
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Window root;
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XRRScreenConfiguration *sc;
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short rate;
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unsigned int i;
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int res = -1;
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wine_tsx11_lock();
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root = RootWindow (gdi_display, DefaultScreen(gdi_display));
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sc = pXRRGetScreenInfo (gdi_display, root);
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size = pXRRConfigCurrentConfiguration (sc, &rot);
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rate = pXRRConfigCurrentRate (sc);
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pXRRFreeScreenConfigInfo(sc);
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wine_tsx11_unlock();
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for (i = 0; i < xrandr_mode_count; ++i)
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{
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if (xrandr_modes[i] == size && dd_modes[i].refresh_rate == rate)
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{
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res = i;
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break;
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}
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}
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if (res == -1)
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{
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ERR("In unknown mode, returning default\n");
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res = 0;
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}
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return res;
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}
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static LONG X11DRV_XRandR_SetCurrentMode(int mode)
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{
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SizeID size;
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Rotation rot;
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Window root;
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XRRScreenConfiguration *sc;
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Status stat;
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short rate;
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wine_tsx11_lock();
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root = RootWindow (gdi_display, DefaultScreen(gdi_display));
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sc = pXRRGetScreenInfo (gdi_display, root);
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size = pXRRConfigCurrentConfiguration (sc, &rot);
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mode = mode % xrandr_mode_count;
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TRACE("Changing Resolution to %dx%d @%d Hz\n",
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dd_modes[mode].width,
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dd_modes[mode].height,
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dd_modes[mode].refresh_rate);
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size = xrandr_modes[mode];
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rate = dd_modes[mode].refresh_rate;
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if (rate)
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stat = pXRRSetScreenConfigAndRate( gdi_display, sc, root, size, rot, rate, CurrentTime );
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else
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stat = pXRRSetScreenConfig( gdi_display, sc, root, size, rot, CurrentTime );
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pXRRFreeScreenConfigInfo(sc);
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wine_tsx11_unlock();
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if (stat == RRSetConfigSuccess)
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{
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X11DRV_resize_desktop( dd_modes[mode].width, dd_modes[mode].height );
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return DISP_CHANGE_SUCCESSFUL;
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}
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ERR("Resolution change not successful -- perhaps display has changed?\n");
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return DISP_CHANGE_FAILED;
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}
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static void xrandr_init_modes(void)
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{
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XRRScreenSize *sizes;
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int sizes_count;
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int i, j, nmodes = 0;
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sizes = pXRRSizes( gdi_display, DefaultScreen(gdi_display), &sizes_count );
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if (sizes_count <= 0) return;
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TRACE("XRandR: found %d sizes.\n", sizes_count);
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for (i = 0; i < sizes_count; ++i)
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{
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int rates_count;
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short *rates;
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rates = pXRRRates( gdi_display, DefaultScreen(gdi_display), i, &rates_count );
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TRACE("- at %d: %dx%d (%d rates):", i, sizes[i].width, sizes[i].height, rates_count);
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if (rates_count)
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{
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nmodes += rates_count;
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for (j = 0; j < rates_count; ++j)
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{
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if (j > 0)
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TRACE(",");
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TRACE(" %d", rates[j]);
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}
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}
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else
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{
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++nmodes;
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TRACE(" <default>");
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}
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TRACE(" Hz\n");
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}
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TRACE("XRandR modes: count=%d\n", nmodes);
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if (!(xrandr_modes = HeapAlloc( GetProcessHeap(), 0, sizeof(*xrandr_modes) * nmodes )))
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{
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ERR("Failed to allocate xrandr mode info array.\n");
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return;
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}
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dd_modes = X11DRV_Settings_SetHandlers( "XRandR",
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X11DRV_XRandR_GetCurrentMode,
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X11DRV_XRandR_SetCurrentMode,
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nmodes, 1 );
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xrandr_mode_count = 0;
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for (i = 0; i < sizes_count; ++i)
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{
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int rates_count;
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short *rates;
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rates = pXRRRates( gdi_display, DefaultScreen(gdi_display), i, &rates_count );
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if (rates_count)
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{
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for (j = 0; j < rates_count; ++j)
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{
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X11DRV_Settings_AddOneMode( sizes[i].width, sizes[i].height, 0, rates[j] );
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xrandr_modes[xrandr_mode_count++] = i;
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}
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}
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else
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{
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X11DRV_Settings_AddOneMode( sizes[i].width, sizes[i].height, 0, 0 );
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xrandr_modes[xrandr_mode_count++] = i;
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}
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}
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X11DRV_Settings_AddDepthModes();
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nmodes = X11DRV_Settings_GetModeCount();
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TRACE("Available DD modes: count=%d\n", nmodes);
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TRACE("Enabling XRandR\n");
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}
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void X11DRV_XRandR_Init(void)
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{
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int event_base, error_base, minor;
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static int major;
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Bool ok;
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if (major) return; /* already initialized? */
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if (!usexrandr) return; /* disabled in config */
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if (root_window != DefaultRootWindow( gdi_display )) return;
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if (!load_xrandr()) return; /* can't load the Xrandr library */
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/* see if Xrandr is available */
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wine_tsx11_lock();
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if (!pXRRQueryExtension( gdi_display, &event_base, &error_base )) goto done;
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X11DRV_expect_error( gdi_display, XRandRErrorHandler, NULL );
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ok = pXRRQueryVersion( gdi_display, &major, &minor );
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if (X11DRV_check_error() || !ok) goto done;
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TRACE("Found XRandR %d.%d.\n", major, minor);
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xrandr_init_modes();
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done:
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wine_tsx11_unlock();
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}
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#else /* SONAME_LIBXRANDR */
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void X11DRV_XRandR_Init(void)
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{
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TRACE("XRandR support not compiled in.\n");
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}
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#endif /* SONAME_LIBXRANDR */
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