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https://github.com/reactos/wine.git
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316 lines
9.6 KiB
C
316 lines
9.6 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <string.h>
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#include <stdio.h>
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#ifdef HAVE_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 "x11ddraw.h"
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#include "xrandr.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "ddrawi.h"
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#include "wine/library.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
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static void *xrandr_handle;
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/* some default values just in case */
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#ifndef SONAME_LIBX11
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#define SONAME_LIBX11 "libX11.so"
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#endif
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#ifndef SONAME_LIBXEXT
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#define SONAME_LIBXEXT "libXext.so"
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#endif
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#ifndef SONAME_LIBXRENDER
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#define SONAME_LIBXRENDER "libXrender.so"
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#endif
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#ifndef SONAME_LIBXRANDR
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#define SONAME_LIBXRANDR "libXrandr.so"
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#endif
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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 int xrandr_event, xrandr_error, xrandr_major, xrandr_minor;
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static LPDDHALMODEINFO dd_modes;
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static unsigned int dd_mode_count;
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static XRRScreenSize *real_xrandr_sizes;
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static short **real_xrandr_rates;
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static unsigned int real_xrandr_sizes_count;
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static int *real_xrandr_rates_count;
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static unsigned int real_xrandr_modes_count;
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int load_xrandr(void)
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{
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int r = 0;
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if (wine_dlopen(SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
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wine_dlopen(SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
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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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/* create the mode structures */
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static void make_modes(void)
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{
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unsigned int i;
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int j;
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for (i=0; i<real_xrandr_sizes_count; i++)
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{
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if (real_xrandr_rates_count[i])
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{
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for (j=0; j < real_xrandr_rates_count[i]; j++)
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{
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X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
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real_xrandr_sizes[i].height,
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0, real_xrandr_rates[i][j]);
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}
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}
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else
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{
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X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
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real_xrandr_sizes[i].height,
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0, 0);
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}
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}
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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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for (i = 0; i < real_xrandr_modes_count; i++)
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{
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if ( (dd_modes[i].dwWidth == real_xrandr_sizes[size].width ) &&
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(dd_modes[i].dwHeight == real_xrandr_sizes[size].height) &&
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(dd_modes[i].wRefreshRate == rate ) )
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{
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res = i;
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}
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}
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pXRRFreeScreenConfigInfo(sc);
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wine_tsx11_unlock();
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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 void 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 = RRSetConfigSuccess;
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short rate;
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unsigned int i;
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int j;
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DWORD dwBpp = screen_depth;
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if (dwBpp == 24) dwBpp = 32;
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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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if (dwBpp != dd_modes[mode].dwBPP)
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{
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FIXME("Cannot change screen BPP from %ld to %ld\n", dwBpp, dd_modes[mode].dwBPP);
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}
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mode = mode%real_xrandr_modes_count;
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for (i = 0; i < real_xrandr_sizes_count; i++)
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{
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if ( (dd_modes[mode].dwWidth == real_xrandr_sizes[i].width ) &&
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(dd_modes[mode].dwHeight == real_xrandr_sizes[i].height) )
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{
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size = i;
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if (real_xrandr_rates_count[i])
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{
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for (j=0; j < real_xrandr_rates_count[i]; j++)
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{
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if (dd_modes[mode].wRefreshRate == real_xrandr_rates[i][j])
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{
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rate = real_xrandr_rates[i][j];
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TRACE("Resizing X display to %ldx%ld @%d Hz\n",
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dd_modes[mode].dwWidth, dd_modes[mode].dwHeight, rate);
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stat = pXRRSetScreenConfigAndRate (gdi_display, sc, root,
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size, rot, rate, CurrentTime);
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}
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}
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}
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else
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{
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TRACE("Resizing X display to %ldx%ld\n",
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dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
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stat = pXRRSetScreenConfig (gdi_display, sc, root,
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size, rot, CurrentTime);
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}
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}
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}
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pXRRFreeScreenConfigInfo(sc);
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wine_tsx11_unlock();
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if (stat == RRSetConfigSuccess)
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X11DRV_handle_desktop_resize( dd_modes[mode].dwWidth, dd_modes[mode].dwHeight );
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else
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ERR("Resolution change not successful -- perhaps display has changed?\n");
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}
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void X11DRV_XRandR_Init(void)
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{
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Bool ok;
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int nmodes = 0;
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unsigned int i;
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if (xrandr_major) return; /* already initialized? */
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if (!usexrandr) return; /* disabled in config */
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if (using_wine_desktop) return; /* not compatible with desktop mode */
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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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ok = pXRRQueryExtension(gdi_display, &xrandr_event, &xrandr_error);
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if (ok)
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{
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X11DRV_expect_error(gdi_display, XRandRErrorHandler, NULL);
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ok = pXRRQueryVersion(gdi_display, &xrandr_major, &xrandr_minor);
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if (X11DRV_check_error()) ok = FALSE;
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}
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if (ok)
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{
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TRACE("Found XRandR - major: %d, minor: %d\n", xrandr_major, xrandr_minor);
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/* retrieve modes */
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real_xrandr_sizes = pXRRSizes(gdi_display, DefaultScreen(gdi_display), &real_xrandr_sizes_count);
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ok = (real_xrandr_sizes_count>0);
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}
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if (ok)
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{
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real_xrandr_rates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(short *) * real_xrandr_sizes_count);
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real_xrandr_rates_count = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * real_xrandr_sizes_count);
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for (i=0; i < real_xrandr_sizes_count; i++)
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{
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real_xrandr_rates[i] = pXRRRates (gdi_display, DefaultScreen(gdi_display), i, &(real_xrandr_rates_count[i]));
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if (real_xrandr_rates_count[i])
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{
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nmodes += real_xrandr_rates_count[i];
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}
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else
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{
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nmodes++;
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}
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}
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}
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wine_tsx11_unlock();
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if (!ok) return;
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real_xrandr_modes_count = nmodes;
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TRACE("XRandR modes: count=%d\n", nmodes);
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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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make_modes();
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X11DRV_Settings_AddDepthModes();
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dd_mode_count = X11DRV_Settings_GetModeCount();
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X11DRV_Settings_SetDefaultMode(0);
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TRACE("Available DD modes: count=%d\n", dd_mode_count);
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TRACE("Enabling XRandR\n");
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}
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void X11DRV_XRandR_Cleanup(void)
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{
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HeapFree(GetProcessHeap(), 0, real_xrandr_rates);
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real_xrandr_rates = NULL;
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HeapFree(GetProcessHeap(), 0, real_xrandr_rates_count);
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real_xrandr_rates_count = NULL;
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}
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#endif /* HAVE_LIBXRANDR */
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