winex11.drv: Load the XComposite extension when available.

configure

@@ -9239,6 +9239,7 @@ fi
 
 
 
+
 for ac_header in X11/Xlib.h \
                       X11/XKBlib.h \
                       X11/Xutil.h \
@@ -9246,6 +9247,7 @@ for ac_header in X11/Xlib.h \
                       X11/extensions/shape.h \
                       X11/extensions/XInput.h \
                       X11/extensions/XShm.h \
+                      X11/extensions/Xcomposite.h \
                       X11/extensions/Xinerama.h \
                       X11/extensions/Xrandr.h \
                       X11/extensions/Xrender.h \
@@ -10197,6 +10199,93 @@ Wine will be built without Xinerama support. (winex11.drv)"
 fi
 
 
+                if test "$ac_cv_header_X11_extensions_Xcomposite_h" = "yes"
+        then
+            { echo "$as_me:$LINENO: checking for -lXcomposite" >&5
+echo $ECHO_N "checking for -lXcomposite... $ECHO_C" >&6; }
+if test "${ac_cv_lib_soname_Xcomposite+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_soname_save_LIBS=$LIBS
+LIBS="-lXcomposite $X_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBS"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XCompositeRedirectWindow ();
+int
+main ()
+{
+return XCompositeRedirectWindow ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  case "$LIBEXT" in
+    dll) ;;
+    dylib) ac_cv_lib_soname_Xcomposite=`otool -L conftest$ac_exeext | grep "libXcomposite\\.[0-9A-Za-z.]*dylib" | sed -e "s/^.*\/\(libXcomposite\.[0-9A-Za-z.]*dylib\).*$/\1/"';2,$d'` ;;
+    *) ac_cv_lib_soname_Xcomposite=`$ac_cv_path_LDD conftest$ac_exeext | grep "libXcomposite\\.$LIBEXT" | sed -e "s/^.*\(libXcomposite\.$LIBEXT[^	 ]*\).*$/\1/"';2,$d'` ;;
+  esac
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+  LIBS=$ac_check_soname_save_LIBS
+fi
+if test "x$ac_cv_lib_soname_Xcomposite" = "x"; then
+  { echo "$as_me:$LINENO: result: not found" >&5
+echo "${ECHO_T}not found" >&6; }
+
+else
+  { echo "$as_me:$LINENO: result: $ac_cv_lib_soname_Xcomposite" >&5
+echo "${ECHO_T}$ac_cv_lib_soname_Xcomposite" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SONAME_LIBXCOMPOSITE "$ac_cv_lib_soname_Xcomposite"
+_ACEOF
+
+
+fi
+
+        fi
+        if test "x$ac_cv_lib_soname_Xcomposite" = "x"; then
+  wine_notices="$wine_notices|XComposite development files not found.
+Wine will be built without XComposite support. (winex11.drv)"
+fi
+
+
 
         if test "x$with_opengl" != "xno"
     then

configure.ac

@@ -518,6 +518,7 @@ then
                       X11/extensions/shape.h \
                       X11/extensions/XInput.h \
                       X11/extensions/XShm.h \
+                      X11/extensions/Xcomposite.h \
                       X11/extensions/Xinerama.h \
                       X11/extensions/Xrandr.h \
                       X11/extensions/Xrender.h \
@@ -614,6 +615,14 @@ Wine will be built without XRandr support. (winex11.drv)])
         WINE_NOTICE_IF([test "x$ac_cv_lib_soname_Xinerama" = "x"],[Xinerama development files not found.
 Wine will be built without Xinerama support. (winex11.drv)])
 
+        dnl *** Check for X Composite extension
+        if test "$ac_cv_header_X11_extensions_Xcomposite_h" = "yes"
+        then
+            WINE_CHECK_SONAME(Xcomposite,XCompositeRedirectWindow,,,[$X_LIBS -lXext -lX11 $X_EXTRA_LIBS])
+        fi
+        WINE_NOTICE_IF([test "x$ac_cv_lib_soname_Xcomposite" = "x"],[XComposite development files not found.
+Wine will be built without XComposite support. (winex11.drv)])
+
     dnl *** End of X11/Xlib.h check
 
     dnl Check for the presence of OpenGL

dlls/winex11.drv/x11drv_main.c

@@ -20,6 +20,7 @@
  */
 
 #include "config.h"
+#include "wine/port.h"
 
 #include <fcntl.h>
 #include <stdarg.h>
@@ -48,8 +49,10 @@
 #include "x11drv.h"
 #include "xvidmode.h"
 #include "xrandr.h"
+#include "xcomposite.h"
 #include "wine/server.h"
 #include "wine/debug.h"
+#include "wine/library.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
 WINE_DECLARE_DEBUG_CHANNEL(synchronous);
@@ -73,6 +76,7 @@ Window root_window;
 int dxgrab = 0;
 int usexvidmode = 1;
 int usexrandr = 1;
+int usexcomposite = 1;
 int use_xkb = 1;
 int use_take_focus = 1;
 int use_primary_selection = 0;
@@ -370,6 +374,70 @@ static void setup_options(void)
     if (hkey) RegCloseKey( hkey );
 }
 
+#ifdef SONAME_LIBXCOMPOSITE
+
+#define MAKE_FUNCPTR(f) typeof(f) * p##f;
+MAKE_FUNCPTR(XCompositeQueryExtension)
+MAKE_FUNCPTR(XCompositeQueryVersion)
+MAKE_FUNCPTR(XCompositeVersion)
+MAKE_FUNCPTR(XCompositeRedirectWindow)
+MAKE_FUNCPTR(XCompositeRedirectSubwindows)
+MAKE_FUNCPTR(XCompositeUnredirectWindow)
+MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
+MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
+MAKE_FUNCPTR(XCompositeNameWindowPixmap)
+MAKE_FUNCPTR(XCompositeGetOverlayWindow)
+MAKE_FUNCPTR(XCompositeReleaseOverlayWindow)
+#undef MAKE_FUNCPTR
+
+static int xcomp_event_base;
+static int xcomp_error_base;
+
+static void X11DRV_XComposite_Init(void)
+{
+    void *xcomposite_handle = wine_dlopen(SONAME_LIBXCOMPOSITE, RTLD_NOW, NULL, 0);
+    if (!xcomposite_handle)
+    {
+        TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
+        usexcomposite = 0;
+        return;
+    }
+
+#define LOAD_FUNCPTR(f) \
+    if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
+        goto sym_not_found;
+    LOAD_FUNCPTR(XCompositeQueryExtension)
+    LOAD_FUNCPTR(XCompositeQueryVersion)
+    LOAD_FUNCPTR(XCompositeVersion)
+    LOAD_FUNCPTR(XCompositeRedirectWindow)
+    LOAD_FUNCPTR(XCompositeRedirectSubwindows)
+    LOAD_FUNCPTR(XCompositeUnredirectWindow)
+    LOAD_FUNCPTR(XCompositeUnredirectSubwindows)
+    LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip)
+    LOAD_FUNCPTR(XCompositeNameWindowPixmap)
+    LOAD_FUNCPTR(XCompositeGetOverlayWindow)
+    LOAD_FUNCPTR(XCompositeReleaseOverlayWindow)
+#undef LOAD_FUNCPTR
+
+    if(!pXCompositeQueryExtension(gdi_display, &xcomp_event_base,
+                                  &xcomp_error_base)) {
+        TRACE("XComposite extension could not be queried; disabled\n");
+        wine_dlclose(xcomposite_handle, NULL, 0);
+        xcomposite_handle = NULL;
+        usexcomposite = 0;
+        return;
+    }
+    TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base);
+    return;
+
+sym_not_found:
+    TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE);
+    wine_dlclose(xcomposite_handle, NULL, 0);
+    xcomposite_handle = NULL;
+    usexcomposite = 0;
+}
+#endif /* defined(SONAME_LIBXCOMPOSITE) */
+
 
 /***********************************************************************
  *           X11DRV process initialisation routine
@@ -442,6 +510,9 @@ static BOOL process_attach(void)
     /* initialize XRandR */
     X11DRV_XRandR_Init();
 #endif
+#ifdef SONAME_LIBXCOMPOSITE
+    X11DRV_XComposite_Init();
+#endif
 
     X11DRV_ClipCursor( NULL );
     X11DRV_InitKeyboard();

dlls/winex11.drv/xcomposite.h

@@ -0,0 +1,45 @@
+/*
+ * Wine X11DRV XComposite interface
+ *
+ * Copyright 2007 Chris Robinson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#ifndef __WINE_XCOMPOSITE_H
+#define __WINE_XCOMPOSITE_H
+
+#ifndef __WINE_CONFIG_H
+# error You must include config.h to use this header
+#endif
+
+#ifdef SONAME_LIBXCOMPOSITE
+
+#include <X11/extensions/Xcomposite.h>
+#define MAKE_FUNCPTR(f) extern typeof(f) * p##f;
+MAKE_FUNCPTR(XCompositeQueryExtension)
+MAKE_FUNCPTR(XCompositeQueryVersion)
+MAKE_FUNCPTR(XCompositeVersion)
+MAKE_FUNCPTR(XCompositeRedirectWindow)
+MAKE_FUNCPTR(XCompositeRedirectSubwindows)
+MAKE_FUNCPTR(XCompositeUnredirectWindow)
+MAKE_FUNCPTR(XCompositeUnredirectSubwindows)
+MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip)
+MAKE_FUNCPTR(XCompositeNameWindowPixmap)
+MAKE_FUNCPTR(XCompositeGetOverlayWindow)
+MAKE_FUNCPTR(XCompositeReleaseOverlayWindow)
+#undef MAKE_FUNCPTR
+
+#endif /* defined(SONAME_LIBXCOMPOSITE) */
+#endif /* __WINE_XCOMPOSITE_H */

include/config.h.in

@@ -888,6 +888,9 @@
 /* Define to 1 if you have the <X11/extensions/shape.h> header file. */
 #undef HAVE_X11_EXTENSIONS_SHAPE_H
 
+/* Define to 1 if you have the <X11/extensions/Xcomposite.h> header file. */
+#undef HAVE_X11_EXTENSIONS_XCOMPOSITE_H
+
 /* Define to 1 if you have the <X11/extensions/xf86vmode.h> header file. */
 #undef HAVE_X11_EXTENSIONS_XF86VMODE_H
 
@@ -1014,6 +1017,9 @@
 /* Define to the soname of the libX11 library. */
 #undef SONAME_LIBX11
 
+/* Define to the soname of the libXcomposite library. */
+#undef SONAME_LIBXCOMPOSITE
+
 /* Define to the soname of the libXcursor library. */
 #undef SONAME_LIBXCURSOR