Update to xserver 1.15.1.

Tested by at least ajacoutot@, dcoppa@ & jasper@

7 files changed, 1561 insertions, 0 deletions

diff --git a/xserver/dri3/Makefile.am b/xserver/dri3/Makefile.am
new file mode 100644
index 000000000..e47a734e0
--- /dev/null
+++ b/xserver/dri3/Makefile.am
@@ -0,0 +1,13 @@
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+	@DIX_CFLAGS@ @XORG_CFLAGS@
+
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+	dri3.h \
+	dri3_priv.h \
+	dri3.c \
+	dri3_request.c \
+	dri3_screen.c
+
+sdk_HEADERS = dri3.h
diff --git a/xserver/dri3/Makefile.in b/xserver/dri3/Makefile.in
new file mode 100644
index 000000000..ae22ab258
--- /dev/null
+++ b/xserver/dri3/Makefile.in
@@ -0,0 +1,830 @@
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+	@DIX_CFLAGS@ @XORG_CFLAGS@
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+	dri3_priv.h \
+	dri3.c \
+	dri3_request.c \
+	dri3_screen.c
+
+sdk_HEADERS = dri3.h
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign dri3/Makefile
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+	  *config.status*) \
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+	  *) \
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+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
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+
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+
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+
+.c.lo:
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+
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+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-sdkHEADERS: $(sdk_HEADERS)
+	@$(NORMAL_INSTALL)
+	@list='$(sdk_HEADERS)'; test -n "$(sdkdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(sdkdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(sdkdir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_HEADER) $$files '$(DESTDIR)$(sdkdir)'"; \
+	  $(INSTALL_HEADER) $$files "$(DESTDIR)$(sdkdir)" || exit $$?; \
+	done
+
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+	@$(NORMAL_UNINSTALL)
+	@list='$(sdk_HEADERS)'; test -n "$(sdkdir)" || list=; \
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+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
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+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+	      "$$@" $$unique; \
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+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
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+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
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+	list='$(SOURCES) $(HEADERS) $(LISP)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
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+			   sort -u` ;; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(HEADERS)
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+	for dir in "$(DESTDIR)$(sdkdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
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+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
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+info: info-am
+
+info-am:
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+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
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+	mostlyclean-libtool
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+.MAKE: install-am install-strip
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+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES cscopelist ctags \
+	distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-sdkHEADERS install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-sdkHEADERS
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/xserver/dri3/dri3.c b/xserver/dri3/dri3.c
new file mode 100644
index 000000000..76e07b40e
--- /dev/null
+++ b/xserver/dri3/dri3.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "dri3_priv.h"
+
+int dri3_request;
+DevPrivateKeyRec dri3_screen_private_key;
+DevPrivateKeyRec dri3_window_private_key;
+
+static Bool
+dri3_close_screen(ScreenPtr screen)
+{
+    dri3_screen_priv_ptr screen_priv = dri3_screen_priv(screen);
+
+    unwrap(screen_priv, screen, CloseScreen);
+
+    free(screen_priv);
+    return (*screen->CloseScreen) (screen);
+}
+
+Bool
+dri3_screen_init(ScreenPtr screen, dri3_screen_info_ptr info)
+{
+    if (!dixRegisterPrivateKey(&dri3_screen_private_key, PRIVATE_SCREEN, 0))
+        return FALSE;
+
+    if (!dri3_screen_priv(screen)) {
+        dri3_screen_priv_ptr screen_priv = calloc(1, sizeof (dri3_screen_priv_rec));
+        if (!screen_priv)
+            return FALSE;
+
+        wrap(screen_priv, screen, CloseScreen, dri3_close_screen);
+
+        screen_priv->info = info;
+
+        dixSetPrivate(&screen->devPrivates, &dri3_screen_private_key, screen_priv);
+    }
+
+    return TRUE;
+}
+
+void
+dri3_extension_init(void)
+{
+    ExtensionEntry *extension;
+    int i;
+
+#ifdef PANORAMIX
+    if (!noPanoramiXExtension)
+        return;
+#endif
+
+    extension = AddExtension(DRI3_NAME, DRI3NumberEvents, DRI3NumberErrors,
+                             proc_dri3_dispatch, sproc_dri3_dispatch,
+                             NULL, StandardMinorOpcode);
+    if (!extension)
+        goto bail;
+
+    dri3_request = extension->base;
+
+    for (i = 0; i < screenInfo.numScreens; i++) {
+        if (!dri3_screen_init(screenInfo.screens[i], NULL))
+            goto bail;
+    }
+    return;
+
+bail:
+    FatalError("Cannot initialize DRI3 extension");
+}
diff --git a/xserver/dri3/dri3.h b/xserver/dri3/dri3.h
new file mode 100644
index 000000000..7c0c33018
--- /dev/null
+++ b/xserver/dri3/dri3.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _DRI3_H_
+#define _DRI3_H_
+
+#include <xorg-server.h>
+
+#ifdef DRI3
+
+#include <X11/extensions/dri3proto.h>
+#include <randrstr.h>
+
+#define DRI3_SCREEN_INFO_VERSION        0
+
+typedef int (*dri3_open_proc)(ScreenPtr screen,
+                              RRProviderPtr provider,
+                              int *fd);
+
+typedef PixmapPtr (*dri3_pixmap_from_fd_proc) (ScreenPtr screen,
+                                               int fd,
+                                               CARD16 width,
+                                               CARD16 height,
+                                               CARD16 stride,
+                                               CARD8 depth,
+                                               CARD8 bpp);
+
+typedef int (*dri3_fd_from_pixmap_proc) (ScreenPtr screen,
+                                         PixmapPtr pixmap,
+                                         CARD16 *stride,
+                                         CARD32 *size);
+
+typedef struct dri3_screen_info {
+    uint32_t                    version;
+
+    dri3_open_proc              open;
+    dri3_pixmap_from_fd_proc    pixmap_from_fd;
+    dri3_fd_from_pixmap_proc    fd_from_pixmap;
+} dri3_screen_info_rec, *dri3_screen_info_ptr;
+
+extern _X_EXPORT Bool
+dri3_screen_init(ScreenPtr screen, dri3_screen_info_ptr info);
+
+#endif
+
+#endif /* _DRI3_H_ */
diff --git a/xserver/dri3/dri3_priv.h b/xserver/dri3/dri3_priv.h
new file mode 100644
index 000000000..e2fed839b
--- /dev/null
+++ b/xserver/dri3/dri3_priv.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _DRI3PRIV_H_
+#define _DRI3PRIV_H_
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "misc.h"
+#include "list.h"
+#include "windowstr.h"
+#include "dixstruct.h"
+#include <randrstr.h>
+#include "dri3.h"
+
+extern int dri3_request;
+
+extern DevPrivateKeyRec dri3_screen_private_key;
+
+typedef struct dri3_screen_priv {
+    CloseScreenProcPtr          CloseScreen;
+    ConfigNotifyProcPtr         ConfigNotify;
+    DestroyWindowProcPtr        DestroyWindow;
+
+    dri3_screen_info_ptr        info;
+} dri3_screen_priv_rec, *dri3_screen_priv_ptr;
+
+#define wrap(priv,real,mem,func) {\
+    priv->mem = real->mem; \
+    real->mem = func; \
+}
+
+#define unwrap(priv,real,mem) {\
+    real->mem = priv->mem; \
+}
+
+static inline dri3_screen_priv_ptr
+dri3_screen_priv(ScreenPtr screen)
+{
+    return (dri3_screen_priv_ptr)dixLookupPrivate(&(screen)->devPrivates, &dri3_screen_private_key);
+}
+
+int
+proc_dri3_dispatch(ClientPtr client);
+
+int
+sproc_dri3_dispatch(ClientPtr client);
+
+/* DDX interface */
+
+int
+dri3_open(ClientPtr client, ScreenPtr screen, RRProviderPtr provider, int *fd);
+
+int
+dri3_pixmap_from_fd(PixmapPtr *ppixmap, ScreenPtr screen, int fd,
+                    CARD16 width, CARD16 height, CARD16 stride, CARD8 depth, CARD8 bpp);
+
+int
+dri3_fd_from_pixmap(int *pfd, PixmapPtr pixmap, CARD16 *stride, CARD32 *size);
+
+#endif /* _DRI3PRIV_H_ */
diff --git a/xserver/dri3/dri3_request.c b/xserver/dri3/dri3_request.c
new file mode 100644
index 000000000..4e1408fb5
--- /dev/null
+++ b/xserver/dri3/dri3_request.c
@@ -0,0 +1,395 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "dri3_priv.h"
+#include <syncsrv.h>
+#include <unistd.h>
+#include <xace.h>
+#include "../Xext/syncsdk.h"
+#include <protocol-versions.h>
+
+static int
+proc_dri3_query_version(ClientPtr client)
+{
+    REQUEST(xDRI3QueryVersionReq);
+    xDRI3QueryVersionReply rep = {
+        .type = X_Reply,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+        .majorVersion = SERVER_DRI3_MAJOR_VERSION,
+        .minorVersion = SERVER_DRI3_MINOR_VERSION
+    };
+
+    REQUEST_SIZE_MATCH(xDRI3QueryVersionReq);
+    (void) stuff;
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.majorVersion);
+        swapl(&rep.minorVersion);
+    }
+    WriteToClient(client, sizeof(rep), &rep);
+    return Success;
+}
+
+static int
+proc_dri3_open(ClientPtr client)
+{
+    REQUEST(xDRI3OpenReq);
+    xDRI3OpenReply rep = {
+        .type = X_Reply,
+        .nfd = 1,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+    };
+    RRProviderPtr provider;
+    DrawablePtr drawable;
+    ScreenPtr screen;
+    int fd;
+    int status;
+
+    REQUEST_SIZE_MATCH(xDRI3OpenReq);
+
+    status = dixLookupDrawable(&drawable, stuff->drawable, client, 0, DixReadAccess);
+    if (status != Success)
+        return status;
+
+    if (stuff->provider == None)
+        provider = NULL;
+    else if (!RRProviderType) {
+        return BadMatch;
+    } else {
+        VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess);
+        if (drawable->pScreen != provider->pScreen)
+            return BadMatch;
+    }
+    screen = drawable->pScreen;
+
+    status = dri3_open(client, screen, provider, &fd);
+    if (status != Success)
+        return status;
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+    }
+
+    if (WriteFdToClient(client, fd, TRUE) < 0) {
+        close(fd);
+        return BadAlloc;
+    }
+
+    WriteToClient(client, sizeof (rep), &rep);
+
+    return Success;
+}
+
+static int
+proc_dri3_pixmap_from_buffer(ClientPtr client)
+{
+    REQUEST(xDRI3PixmapFromBufferReq);
+    int fd;
+    DrawablePtr drawable;
+    PixmapPtr pixmap;
+    int rc;
+
+    SetReqFds(client, 1);
+    REQUEST_SIZE_MATCH(xDRI3PixmapFromBufferReq);
+    LEGAL_NEW_RESOURCE(stuff->pixmap, client);
+    rc = dixLookupDrawable(&drawable, stuff->drawable, client, M_ANY, DixGetAttrAccess);
+    if (rc != Success) {
+        client->errorValue = stuff->drawable;
+        return rc;
+    }
+
+    if (!stuff->width || !stuff->height) {
+        client->errorValue = 0;
+        return BadValue;
+    }
+
+    if (stuff->width > 32767 || stuff->height > 32767)
+        return BadAlloc;
+
+    if (stuff->depth != 1) {
+        DepthPtr depth = drawable->pScreen->allowedDepths;
+        int i;
+        for (i = 0; i < drawable->pScreen->numDepths; i++, depth++)
+            if (depth->depth == stuff->depth)
+                break;
+        if (i == drawable->pScreen->numDepths) {
+            client->errorValue = stuff->depth;
+            return BadValue;
+        }
+    }
+
+    fd = ReadFdFromClient(client);
+    if (fd < 0)
+        return BadValue;
+
+    rc = dri3_pixmap_from_fd(&pixmap,
+                             drawable->pScreen, fd,
+                             stuff->width, stuff->height,
+                             stuff->stride, stuff->depth,
+                             stuff->bpp);
+    close (fd);
+    if (rc != Success)
+        return rc;
+
+    pixmap->drawable.id = stuff->pixmap;
+
+    /* security creation/labeling check */
+    rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pixmap, RT_PIXMAP,
+                  pixmap, RT_NONE, NULL, DixCreateAccess);
+
+    if (rc != Success) {
+        (*drawable->pScreen->DestroyPixmap) (pixmap);
+        return rc;
+    }
+    if (AddResource(stuff->pixmap, RT_PIXMAP, (pointer) pixmap))
+        return Success;
+
+    return Success;
+}
+
+static int
+proc_dri3_buffer_from_pixmap(ClientPtr client)
+{
+    REQUEST(xDRI3BufferFromPixmapReq);
+    xDRI3BufferFromPixmapReply rep = {
+        .type = X_Reply,
+        .nfd = 1,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+    };
+    int rc;
+    int fd;
+    PixmapPtr pixmap;
+
+    REQUEST_SIZE_MATCH(xDRI3BufferFromPixmapReq);
+    rc = dixLookupResourceByType((pointer *) &pixmap, stuff->pixmap, RT_PIXMAP,
+                                 client, DixWriteAccess);
+    if (rc != Success) {
+        client->errorValue = stuff->pixmap;
+        return rc;
+    }
+
+    rep.width = pixmap->drawable.width;
+    rep.height = pixmap->drawable.height;
+    rep.depth = pixmap->drawable.depth;
+    rep.bpp = pixmap->drawable.bitsPerPixel;
+
+    rc = dri3_fd_from_pixmap(&fd, pixmap, &rep.stride, &rep.size);
+    if (rc != Success)
+        return rc;
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+        swapl(&rep.size);
+        swaps(&rep.width);
+        swaps(&rep.height);
+        swaps(&rep.stride);
+    }
+    if (WriteFdToClient(client, fd, TRUE) < 0) {
+        close(fd);
+        return BadAlloc;
+    }
+
+    WriteToClient(client, sizeof(rep), &rep);
+
+    return client->noClientException;
+}
+
+static int
+proc_dri3_fence_from_fd(ClientPtr client)
+{
+    REQUEST(xDRI3FenceFromFDReq);
+    DrawablePtr drawable;
+    int fd;
+    int status;
+
+    SetReqFds(client, 1);
+    REQUEST_SIZE_MATCH(xDRI3FenceFromFDReq);
+    LEGAL_NEW_RESOURCE(stuff->fence, client);
+
+    status = dixLookupDrawable(&drawable, stuff->drawable, client, M_ANY, DixGetAttrAccess);
+    if (status != Success)
+        return status;
+
+    fd = ReadFdFromClient(client);
+    if (fd < 0)
+        return BadValue;
+
+    status = SyncCreateFenceFromFD(client, drawable, stuff->fence,
+                                   fd, stuff->initially_triggered);
+
+    return status;
+}
+
+static int
+proc_dri3_fd_from_fence(ClientPtr client)
+{
+    REQUEST(xDRI3FDFromFenceReq);
+    xDRI3FDFromFenceReply rep = {
+        .type = X_Reply,
+        .nfd = 1,
+        .sequenceNumber = client->sequence,
+        .length = 0,
+    };
+    DrawablePtr drawable;
+    int fd;
+    int status;
+    SyncFence *fence;
+
+    REQUEST_SIZE_MATCH(xDRI3FDFromFenceReq);
+
+    status = dixLookupDrawable(&drawable, stuff->drawable, client, M_ANY, DixGetAttrAccess);
+    if (status != Success)
+        return status;
+    status = SyncVerifyFence(&fence, stuff->fence, client, DixWriteAccess);
+    if (status != Success)
+        return status;
+
+    fd = SyncFDFromFence(client, drawable, fence);
+    if (fd < 0)
+        return BadMatch;
+
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+    }
+    if (WriteFdToClient(client, fd, FALSE) < 0)
+        return BadAlloc;
+
+    WriteToClient(client, sizeof(rep), &rep);
+
+    return client->noClientException;
+}
+
+int (*proc_dri3_vector[DRI3NumberRequests]) (ClientPtr) = {
+    proc_dri3_query_version,            /* 0 */
+    proc_dri3_open,                     /* 1 */
+    proc_dri3_pixmap_from_buffer,       /* 2 */
+    proc_dri3_buffer_from_pixmap,       /* 3 */
+    proc_dri3_fence_from_fd,            /* 4 */
+    proc_dri3_fd_from_fence,            /* 5 */
+};
+
+int
+proc_dri3_dispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= DRI3NumberRequests || !proc_dri3_vector[stuff->data])
+        return BadRequest;
+    return (*proc_dri3_vector[stuff->data]) (client);
+}
+
+static int
+sproc_dri3_query_version(ClientPtr client)
+{
+    REQUEST(xDRI3QueryVersionReq);
+
+    swaps(&stuff->length);
+    swapl(&stuff->majorVersion);
+    swapl(&stuff->minorVersion);
+    return (*proc_dri3_vector[stuff->dri3ReqType]) (client);
+}
+
+static int
+sproc_dri3_open(ClientPtr client)
+{
+    REQUEST(xDRI3OpenReq);
+
+    swaps(&stuff->length);
+    swapl(&stuff->drawable);
+    swapl(&stuff->provider);
+    return (*proc_dri3_vector[stuff->dri3ReqType]) (client);
+}
+
+static int
+sproc_dri3_pixmap_from_buffer(ClientPtr client)
+{
+    REQUEST(xDRI3PixmapFromBufferReq);
+
+    swaps(&stuff->length);
+    swapl(&stuff->pixmap);
+    swapl(&stuff->drawable);
+    swapl(&stuff->size);
+    swaps(&stuff->width);
+    swaps(&stuff->height);
+    swaps(&stuff->stride);
+    return (*proc_dri3_vector[stuff->dri3ReqType]) (client);
+}
+
+static int
+sproc_dri3_buffer_from_pixmap(ClientPtr client)
+{
+    REQUEST(xDRI3BufferFromPixmapReq);
+
+    swaps(&stuff->length);
+    swapl(&stuff->pixmap);
+    return (*proc_dri3_vector[stuff->dri3ReqType]) (client);
+}
+
+static int
+sproc_dri3_fence_from_fd(ClientPtr client)
+{
+    REQUEST(xDRI3FenceFromFDReq);
+
+    swaps(&stuff->length);
+    swapl(&stuff->drawable);
+    swapl(&stuff->fence);
+    return (*proc_dri3_vector[stuff->dri3ReqType]) (client);
+}
+
+static int
+sproc_dri3_fd_from_fence(ClientPtr client)
+{
+    REQUEST(xDRI3FDFromFenceReq);
+
+    swaps(&stuff->length);
+    swapl(&stuff->drawable);
+    swapl(&stuff->fence);
+    return (*proc_dri3_vector[stuff->dri3ReqType]) (client);
+}
+
+int (*sproc_dri3_vector[DRI3NumberRequests]) (ClientPtr) = {
+    sproc_dri3_query_version,           /* 0 */
+    sproc_dri3_open,                    /* 1 */
+    sproc_dri3_pixmap_from_buffer,      /* 2 */
+    sproc_dri3_buffer_from_pixmap,      /* 3 */
+    sproc_dri3_fence_from_fd,           /* 4 */
+    sproc_dri3_fd_from_fence,           /* 5 */
+};
+
+int
+sproc_dri3_dispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= DRI3NumberRequests || !sproc_dri3_vector[stuff->data])
+        return BadRequest;
+    return (*sproc_dri3_vector[stuff->data]) (client);
+}
diff --git a/xserver/dri3/dri3_screen.c b/xserver/dri3/dri3_screen.c
new file mode 100644
index 000000000..c88029612
--- /dev/null
+++ b/xserver/dri3/dri3_screen.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "dri3_priv.h"
+#include <syncsdk.h>
+#include <misync.h>
+#include <misyncshm.h>
+#include <randrstr.h>
+
+int
+dri3_open(ClientPtr client, ScreenPtr screen, RRProviderPtr provider, int *fd)
+{
+    dri3_screen_priv_ptr        ds = dri3_screen_priv(screen);
+    dri3_screen_info_ptr        info = ds->info;
+    int                         rc;
+
+    if (!info || !info->open)
+        return BadMatch;
+
+    rc = (*info->open) (screen, provider, fd);
+    if (rc != Success)
+        return rc;
+
+    return Success;
+}
+
+int
+dri3_pixmap_from_fd(PixmapPtr *ppixmap, ScreenPtr screen, int fd,
+                    CARD16 width, CARD16 height, CARD16 stride, CARD8 depth, CARD8 bpp)
+{
+    dri3_screen_priv_ptr        ds = dri3_screen_priv(screen);
+    dri3_screen_info_ptr        info = ds->info;
+    PixmapPtr                   pixmap;
+
+    if (!info || !info->pixmap_from_fd)
+        return BadImplementation;
+
+    pixmap = (*info->pixmap_from_fd) (screen, fd, width, height, stride, depth, bpp);
+    if (!pixmap)
+        return BadAlloc;
+
+    *ppixmap = pixmap;
+    return Success;
+}
+
+int
+dri3_fd_from_pixmap(int *pfd, PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
+{
+    ScreenPtr                   screen = pixmap->drawable.pScreen;
+    dri3_screen_priv_ptr        ds = dri3_screen_priv(screen);
+    dri3_screen_info_ptr        info = ds->info;
+    int                         fd;
+
+    if (!info || !info->fd_from_pixmap)
+        return BadImplementation;
+
+    fd = (*info->fd_from_pixmap)(screen, pixmap, stride, size);
+    if (fd < 0)
+        return BadAlloc;
+    *pfd = fd;
+    return Success;
+}
+