libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update

23 Mar 2012

1 files changed, 647 insertions, 628 deletions

diff --git a/xorg-server/hw/kdrive/ephyr/XF86dri.c b/xorg-server/hw/kdrive/ephyr/XF86dri.c
index 247580e0a..74bf67678 100644
--- a/xorg-server/hw/kdrive/ephyr/XF86dri.c
+++ b/xorg-server/hw/kdrive/ephyr/XF86dri.c
@@ -1,628 +1,647 @@
-/* $XFree86: xc/lib/GL/dri/XF86dri.c,v 1.13 2002/10/30 12:51:25 alanh Exp $ */

-/**************************************************************************

-

-Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.

-Copyright 2000 VA Linux Systems, Inc.

-All Rights Reserved.

-

-Permission is hereby granted, free of charge, to any person obtaining a

-copy of this software and associated documentation files (the

-"Software"), to deal in the Software without restriction, including

-without limitation the rights to use, copy, modify, merge, publish,

-distribute, sub license, and/or sell copies of the Software, and to

-permit persons to whom the Software is furnished to do so, subject to

-the following conditions:

-

-The above copyright notice and this permission notice (including the

-next paragraph) shall be included in all copies or substantial portions

-of the Software.

-

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

-IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR

-ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

-

-**************************************************************************/

-

-/*

- * Authors:

- *   Kevin E. Martin <martin@valinux.com>

- *   Jens Owen <jens@tungstengraphics.com>

- *   Rickard E. (Rik) Faith <faith@valinux.com>

- *

- */

-

-/*

- * This file has been copied from the mesa source tree and a little bit

- * modified by:

- *

- * Dodji Seketeli <dodji@openedhand.com>

- */

-

-#ifdef HAVE_CONFIG_H

-#include <kdrive-config.h>

-#endif

-/*

- * including some server headers (like kdrive-config.h)

- * might define the macro _XSERVER64

- * on 64 bits machines. That macro must _NOT_ be defined for Xlib

- * client code, otherwise bad things happen.

- * So let's undef that macro if necessary.

- */

-#ifdef _XSERVER64

-#undef _XSERVER64

-#endif

-

-/* THIS IS NOT AN X CONSORTIUM STANDARD */

-

-#include <X11/Xlibint.h>

-#include <X11/extensions/Xext.h>

-#include <X11/extensions/extutil.h>

-#include <GL/glx.h>

-#include "xf86dri.h"

-#include <X11/dri/xf86driproto.h>

-

-static XExtensionInfo _xf86dri_info_data;

-static XExtensionInfo *xf86dri_info = &_xf86dri_info_data;

-static char xf86dri_extension_name[] = XF86DRINAME;

-

-#define XF86DRICheckExtension(dpy,i,val) \

-  XextCheckExtension (dpy, i, xf86dri_extension_name, val)

-

-/*****************************************************************************

- *                                                                           *

- *			   private utility routines                          *

- *                                                                           *

- *****************************************************************************/

-

-static int close_display(Display *dpy, XExtCodes *extCodes);

-static /* const */ XExtensionHooks xf86dri_extension_hooks = {

-    NULL,				/* create_gc */

-    NULL,				/* copy_gc */

-    NULL,				/* flush_gc */

-    NULL,				/* free_gc */

-    NULL,				/* create_font */

-    NULL,				/* free_font */

-    close_display,			/* close_display */

-    NULL,				/* wire_to_event */

-    NULL,				/* event_to_wire */

-    NULL,				/* error */

-    NULL,				/* error_string */

-};

-

-static XEXT_GENERATE_FIND_DISPLAY (find_display, xf86dri_info, 

-				   xf86dri_extension_name, 

-				   &xf86dri_extension_hooks, 

-				   0, NULL)

-

-static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xf86dri_info)

-

-

-/*****************************************************************************

- *                                                                           *

- *		    public XFree86-DRI Extension routines                    *

- *                                                                           *

- *****************************************************************************/

-

-#if 0

-#include <stdio.h>

-#define TRACE(msg)  fprintf(stderr,"XF86DRI%s\n", msg);

-#else

-#define TRACE(msg)

-#endif

-

-Bool XF86DRIOpenFullScreen(Display *dpy, int screen, Drawable drawable);

-Bool XF86DRICloseFullScreen(Display *dpy, int screen, Drawable drawable);

-

-Bool XF86DRIQueryExtension (Display *dpy, int *event_basep, int *error_basep)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-

-    TRACE("QueryExtension...");

-    if (XextHasExtension(info)) {

-	*event_basep = info->codes->first_event;

-	*error_basep = info->codes->first_error;

-        TRACE("QueryExtension... return True");

-	return True;

-    } else {

-        TRACE("QueryExtension... return False");

-	return False;

-    }

-}

-

-Bool XF86DRIQueryVersion(Display *dpy, int *majorVersion, int *minorVersion,

-                         int *patchVersion)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIQueryVersionReply rep;

-    xXF86DRIQueryVersionReq *req;

-

-    TRACE("QueryVersion...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIQueryVersion, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIQueryVersion;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("QueryVersion... return False");

-	return False;

-    }

-    *majorVersion = rep.majorVersion;

-    *minorVersion = rep.minorVersion;

-    *patchVersion = rep.patchVersion;

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("QueryVersion... return True");

-    return True;

-}

-

-Bool

-XF86DRIQueryDirectRenderingCapable (Display *dpy, int screen, Bool *isCapable)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIQueryDirectRenderingCapableReply rep;

-    xXF86DRIQueryDirectRenderingCapableReq *req;

-

-    TRACE("QueryDirectRenderingCapable...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIQueryDirectRenderingCapable, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIQueryDirectRenderingCapable;

-    req->screen = screen;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-        UnlockDisplay(dpy);

-        SyncHandle();

-        TRACE("QueryDirectRenderingCapable... return False");

-        return False;

-    }

-    *isCapable = rep.isCapable;

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("QueryDirectRenderingCapable... return True");

-    return True;

-}

-

-Bool

-XF86DRIOpenConnection (Display *dpy, int screen,

-                       drm_handle_t *hSAREA,

-                       char **busIdString)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIOpenConnectionReply rep;

-    xXF86DRIOpenConnectionReq *req;

-

-    TRACE("OpenConnection...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIOpenConnection, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIOpenConnection;

-    req->screen = screen;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-        UnlockDisplay(dpy);

-        SyncHandle();

-        TRACE("OpenConnection... return False");

-        return False;

-    }

-

-    *hSAREA = rep.hSAREALow;

-    if (sizeof(drm_handle_t) == 8) {

-        int shift = 32; /* var to prevent warning on next line */

-        *hSAREA |= ((drm_handle_t) rep.hSAREAHigh) << shift;

-    }

-

-    if (rep.length) {

-        if (!(*busIdString = (char *)calloc(rep.busIdStringLength + 1, 1))) {

-            _XEatData(dpy, ((rep.busIdStringLength+3) & ~3));

-            UnlockDisplay(dpy);

-            SyncHandle();

-            TRACE("OpenConnection... return False");

-            return False;

-        }

-        _XReadPad(dpy, *busIdString, rep.busIdStringLength);

-    } else {

-        *busIdString = NULL;

-    }

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("OpenConnection... return True");

-    return True;

-}

-

-Bool XF86DRIAuthConnection(Display *dpy, int screen, drm_magic_t magic)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIAuthConnectionReq *req;

-    xXF86DRIAuthConnectionReply rep;

-

-    TRACE("AuthConnection...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIAuthConnection, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIAuthConnection;

-    req->screen = screen;

-    req->magic = magic;

-    rep.authenticated = 0;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse) || !rep.authenticated) {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("AuthConnection... return False");

-	return False;

-    }

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("AuthConnection... return True");

-    return True;

-}

-

-Bool XF86DRICloseConnection(Display *dpy, int screen)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRICloseConnectionReq *req;

-

-    TRACE("CloseConnection...");

-

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRICloseConnection, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRICloseConnection;

-    req->screen = screen;

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("CloseConnection... return True");

-    return True;

-}

-

-Bool XF86DRIGetClientDriverName(Display *dpy, int screen,

-                                int *ddxDriverMajorVersion,

-	                        int *ddxDriverMinorVersion,

-                                int *ddxDriverPatchVersion,

-                                char **clientDriverName)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIGetClientDriverNameReply rep;

-    xXF86DRIGetClientDriverNameReq *req;

-

-    TRACE("GetClientDriverName...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIGetClientDriverName, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIGetClientDriverName;

-    req->screen = screen;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("GetClientDriverName... return False");

-	return False;

-    }

-

-    *ddxDriverMajorVersion = rep.ddxDriverMajorVersion;

-    *ddxDriverMinorVersion = rep.ddxDriverMinorVersion;

-    *ddxDriverPatchVersion = rep.ddxDriverPatchVersion;

-

-    if (rep.length) {

-        if (!(*clientDriverName = (char *)calloc(rep.clientDriverNameLength + 1, 1))) {

-            _XEatData(dpy, ((rep.clientDriverNameLength+3) & ~3));

-            UnlockDisplay(dpy);

-            SyncHandle();

-            TRACE("GetClientDriverName... return False");

-            return False;

-        }

-	_XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength);

-    } else {

-        *clientDriverName = NULL;

-    }

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("GetClientDriverName... return True");

-    return True;

-}

-

-Bool XF86DRICreateContextWithConfig(Display *dpy, int screen, int configID,

-                                    XID *context, drm_context_t *hHWContext)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRICreateContextReply rep;

-    xXF86DRICreateContextReq *req;

-

-    TRACE("CreateContext...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRICreateContext, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRICreateContext;

-    req->visual = configID;

-    req->screen = screen;

-    *context = XAllocID(dpy);

-    req->context = *context;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("CreateContext... return False");

-	return False;

-    }

-    *hHWContext = rep.hHWContext;

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("CreateContext... return True");

-    return True;

-}

-

-Bool XF86DRICreateContext(Display *dpy, int screen, Visual *visual,

-                          XID *context, drm_context_t *hHWContext)

-{

-    return XF86DRICreateContextWithConfig( dpy, screen, visual->visualid,

-					   context, hHWContext );

-}

-

-GLboolean XF86DRIDestroyContext( Display *dpy, int screen, XID context)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIDestroyContextReq *req;

-

-    TRACE("DestroyContext...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIDestroyContext, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIDestroyContext;

-    req->screen = screen;

-    req->context = context;

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("DestroyContext... return True");

-    return True;

-}

-

-GLboolean

-XF86DRICreateDrawable (Display *dpy, int screen,

-                       XID drawable, drm_drawable_t * hHWDrawable)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRICreateDrawableReply rep;

-    xXF86DRICreateDrawableReq *req;

-

-    TRACE("CreateDrawable...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRICreateDrawable, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRICreateDrawable;

-    req->screen = screen;

-    req->drawable = drawable;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("CreateDrawable... return False");

-	return False;

-    }

-    *hHWDrawable = rep.hHWDrawable;

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("CreateDrawable... return True");

-    return True;

-}

-

-static int noopErrorHandler(Display *dpy, XErrorEvent *xerr)

-{

-    return 0;

-}

-

-GLboolean XF86DRIDestroyDrawable( Display *dpy, int screen,

-    XID drawable )

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIDestroyDrawableReq *req;

-    int (*oldXErrorHandler)(Display *, XErrorEvent *);

-

-    TRACE("DestroyDrawable...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    /* This is called from the DRI driver, which used call it like this

-     *

-     *   if (windowExists(drawable))

-     *     destroyDrawable(drawable);

-     *

-     * which is a textbook race condition - the window may disappear

-     * from the server between checking for its existance and

-     * destroying it.  Instead we change the semantics of

-     * __DRIinterfaceMethodsRec::destroyDrawable() to succeed even if

-     * the windows is gone, by wrapping the destroy call in an error

-     * handler. */

-

-    XSync(dpy, GL_FALSE);

-    oldXErrorHandler = XSetErrorHandler(noopErrorHandler);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIDestroyDrawable, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIDestroyDrawable;

-    req->screen = screen;

-    req->drawable = drawable;

-    UnlockDisplay(dpy);

-    SyncHandle();

-

-    XSetErrorHandler(oldXErrorHandler);

-

-    TRACE("DestroyDrawable... return True");

-    return True;

-}

-

-Bool XF86DRIGetDrawableInfo(Display* dpy, int screen, Drawable drawable,

-    unsigned int* index, unsigned int* stamp,

-    int* X, int* Y, int* W, int* H,

-    int* numClipRects, drm_clip_rect_t ** pClipRects,

-    int* backX, int* backY,

-    int* numBackClipRects, drm_clip_rect_t ** pBackClipRects )

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIGetDrawableInfoReply rep;

-    xXF86DRIGetDrawableInfoReq *req=NULL;

-    int total_rects;

-

-    TRACE("GetDrawableInfo...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIGetDrawableInfo, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIGetDrawableInfo;

-    req->screen = screen;

-    req->drawable = drawable;

-

-    if (!_XReply(dpy, (xReply *)&rep, 1, xFalse)) 

-    {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("GetDrawableInfo... return False");

-	return False;

-    }

-    *index = rep.drawableTableIndex;

-    *stamp = rep.drawableTableStamp;

-    *X = (int)rep.drawableX;

-    *Y = (int)rep.drawableY;

-    *W = (int)rep.drawableWidth;

-    *H = (int)rep.drawableHeight;

-    *numClipRects = rep.numClipRects;

-    total_rects = *numClipRects;

-

-    *backX = rep.backX;

-    *backY = rep.backY;

-    *numBackClipRects = rep.numBackClipRects;

-    total_rects += *numBackClipRects;

-

-#if 0

-    /* Because of the fix in Xserver/GL/dri/xf86dri.c, this check breaks

-     * backwards compatibility (Because of the >> 2 shift) but the fix

-     * enables multi-threaded apps to work.

-     */

-    if (rep.length !=  ((((SIZEOF(xXF86DRIGetDrawableInfoReply) - 

-		       SIZEOF(xGenericReply) + 

-		       total_rects * sizeof(drm_clip_rect_t)) + 3) & ~3) >> 2)) {

-        _XEatData(dpy, rep.length);

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("GetDrawableInfo... return False");

-        return False;

-    }

-#endif

-

-    if (*numClipRects) {

-       int len = sizeof(drm_clip_rect_t) * (*numClipRects);

-

-       *pClipRects = (drm_clip_rect_t *)calloc(len, 1);

-       if (*pClipRects)

-	  _XRead(dpy, (char*)*pClipRects, len);

-    } else {

-        *pClipRects = NULL;

-    }

-

-    if (*numBackClipRects) {

-       int len = sizeof(drm_clip_rect_t) * (*numBackClipRects);

-

-       *pBackClipRects = (drm_clip_rect_t *)calloc(len, 1);

-       if (*pBackClipRects) 

-	  _XRead(dpy, (char*)*pBackClipRects, len);

-    } else {

-        *pBackClipRects = NULL;

-    }

-

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("GetDrawableInfo... return True");

-    return True;

-}

-

-Bool

-XF86DRIGetDeviceInfo (Display *dpy, int screen, drm_handle_t *hFrameBuffer,

-                      int *fbOrigin, int *fbSize, int *fbStride,

-                      int *devPrivateSize, void **pDevPrivate)

-{

-    XExtDisplayInfo *info = find_display (dpy);

-    xXF86DRIGetDeviceInfoReply rep;

-    xXF86DRIGetDeviceInfoReq *req;

-

-    TRACE("GetDeviceInfo...");

-    XF86DRICheckExtension (dpy, info, False);

-

-    LockDisplay(dpy);

-    GetReq(XF86DRIGetDeviceInfo, req);

-    req->reqType = info->codes->major_opcode;

-    req->driReqType = X_XF86DRIGetDeviceInfo;

-    req->screen = screen;

-    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {

-	UnlockDisplay(dpy);

-	SyncHandle();

-        TRACE("GetDeviceInfo... return False");

-	return False;

-    }

-

-    *hFrameBuffer = rep.hFrameBufferLow;

-    if (sizeof(drm_handle_t) == 8) {

-       int shift = 32; /* var to prevent warning on next line */

-       *hFrameBuffer |= ((drm_handle_t) rep.hFrameBufferHigh) << shift;

-    }

-

-    *fbOrigin = rep.framebufferOrigin;

-    *fbSize = rep.framebufferSize;

-    *fbStride = rep.framebufferStride;

-    *devPrivateSize = rep.devPrivateSize;

-

-    if (rep.length) {

-        if (!(*pDevPrivate = (void *)calloc(rep.devPrivateSize, 1))) {

-            _XEatData(dpy, ((rep.devPrivateSize+3) & ~3));

-            UnlockDisplay(dpy);

-            SyncHandle();

-            TRACE("GetDeviceInfo... return False");

-            return False;

-        }

-	_XRead(dpy, (char*)*pDevPrivate, rep.devPrivateSize);

-    } else {

-        *pDevPrivate = NULL;

-    }

-

-    UnlockDisplay(dpy);

-    SyncHandle();

-    TRACE("GetDeviceInfo... return True");

-    return True;

-}

-

-Bool

-XF86DRIOpenFullScreen(Display *dpy, int screen, Drawable drawable)

-{

-    /* This function and the underlying X protocol are deprecated.

-     */

-    (void) dpy;

-    (void) screen;

-    (void) drawable;

-    return False;

-}

-

-Bool

-XF86DRICloseFullScreen(Display *dpy, int screen, Drawable drawable)

-{

-    /* This function and the underlying X protocol are deprecated.

-     */

-    (void) dpy;

-    (void) screen;

-    (void) drawable;

-    return True;

-}

+/* $XFree86: xc/lib/GL/dri/XF86dri.c,v 1.13 2002/10/30 12:51:25 alanh Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Kevin E. Martin <martin@valinux.com>
+ *   Jens Owen <jens@tungstengraphics.com>
+ *   Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+/*
+ * This file has been copied from the mesa source tree and a little bit
+ * modified by:
+ *
+ * Dodji Seketeli <dodji@openedhand.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <kdrive-config.h>
+#endif
+/*
+ * including some server headers (like kdrive-config.h)
+ * might define the macro _XSERVER64
+ * on 64 bits machines. That macro must _NOT_ be defined for Xlib
+ * client code, otherwise bad things happen.
+ * So let's undef that macro if necessary.
+ */
+#ifdef _XSERVER64
+#undef _XSERVER64
+#endif
+
+/* THIS IS NOT AN X CONSORTIUM STANDARD */
+
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <GL/glx.h>
+#include "xf86dri.h"
+#include <X11/dri/xf86driproto.h>
+
+static XExtensionInfo _xf86dri_info_data;
+static XExtensionInfo *xf86dri_info = &_xf86dri_info_data;
+static char xf86dri_extension_name[] = XF86DRINAME;
+
+#define XF86DRICheckExtension(dpy,i,val) \
+  XextCheckExtension (dpy, i, xf86dri_extension_name, val)
+
+/*****************************************************************************
+ *                                                                           *
+ *			   private utility routines                          *
+ *                                                                           *
+ *****************************************************************************/
+
+static int close_display(Display * dpy, XExtCodes * extCodes);
+
+static /* const */ XExtensionHooks xf86dri_extension_hooks = {
+    NULL,                       /* create_gc */
+    NULL,                       /* copy_gc */
+    NULL,                       /* flush_gc */
+    NULL,                       /* free_gc */
+    NULL,                       /* create_font */
+    NULL,                       /* free_font */
+    close_display,              /* close_display */
+    NULL,                       /* wire_to_event */
+    NULL,                       /* event_to_wire */
+    NULL,                       /* error */
+    NULL,                       /* error_string */
+};
+
+static
+XEXT_GENERATE_FIND_DISPLAY(find_display, xf86dri_info,
+                           xf86dri_extension_name,
+                           &xf86dri_extension_hooks, 0, NULL)
+
+static
+XEXT_GENERATE_CLOSE_DISPLAY(close_display, xf86dri_info)
+
+/*****************************************************************************
+ *                                                                           *
+ *		    public XFree86-DRI Extension routines                    *
+ *                                                                           *
+ *****************************************************************************/
+#if 0
+#include <stdio.h>
+#define TRACE(msg)  fprintf(stderr,"XF86DRI%s\n", msg);
+#else
+#define TRACE(msg)
+#endif
+Bool
+XF86DRIOpenFullScreen(Display * dpy, int screen, Drawable drawable);
+Bool
+XF86DRICloseFullScreen(Display * dpy, int screen, Drawable drawable);
+
+Bool
+XF86DRIQueryExtension(Display * dpy, int *event_basep, int *error_basep)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+
+    TRACE("QueryExtension...");
+    if (XextHasExtension(info)) {
+        *event_basep = info->codes->first_event;
+        *error_basep = info->codes->first_error;
+        TRACE("QueryExtension... return True");
+        return True;
+    }
+    else {
+        TRACE("QueryExtension... return False");
+        return False;
+    }
+}
+
+Bool
+XF86DRIQueryVersion(Display * dpy, int *majorVersion, int *minorVersion,
+                    int *patchVersion)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIQueryVersionReply rep;
+    xXF86DRIQueryVersionReq *req;
+
+    TRACE("QueryVersion...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIQueryVersion, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIQueryVersion;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("QueryVersion... return False");
+        return False;
+    }
+    *majorVersion = rep.majorVersion;
+    *minorVersion = rep.minorVersion;
+    *patchVersion = rep.patchVersion;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("QueryVersion... return True");
+    return True;
+}
+
+Bool
+XF86DRIQueryDirectRenderingCapable(Display * dpy, int screen, Bool *isCapable)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIQueryDirectRenderingCapableReply rep;
+    xXF86DRIQueryDirectRenderingCapableReq *req;
+
+    TRACE("QueryDirectRenderingCapable...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIQueryDirectRenderingCapable, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIQueryDirectRenderingCapable;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("QueryDirectRenderingCapable... return False");
+        return False;
+    }
+    *isCapable = rep.isCapable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("QueryDirectRenderingCapable... return True");
+    return True;
+}
+
+Bool
+XF86DRIOpenConnection(Display * dpy, int screen,
+                      drm_handle_t * hSAREA, char **busIdString)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIOpenConnectionReply rep;
+    xXF86DRIOpenConnectionReq *req;
+
+    TRACE("OpenConnection...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIOpenConnection, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIOpenConnection;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("OpenConnection... return False");
+        return False;
+    }
+
+    *hSAREA = rep.hSAREALow;
+    if (sizeof(drm_handle_t) == 8) {
+        int shift = 32;         /* var to prevent warning on next line */
+
+        *hSAREA |= ((drm_handle_t) rep.hSAREAHigh) << shift;
+    }
+
+    if (rep.length) {
+        if (!(*busIdString = (char *) calloc(rep.busIdStringLength + 1, 1))) {
+            _XEatData(dpy, ((rep.busIdStringLength + 3) & ~3));
+            UnlockDisplay(dpy);
+            SyncHandle();
+            TRACE("OpenConnection... return False");
+            return False;
+        }
+        _XReadPad(dpy, *busIdString, rep.busIdStringLength);
+    }
+    else {
+        *busIdString = NULL;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("OpenConnection... return True");
+    return True;
+}
+
+Bool
+XF86DRIAuthConnection(Display * dpy, int screen, drm_magic_t magic)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIAuthConnectionReq *req;
+    xXF86DRIAuthConnectionReply rep;
+
+    TRACE("AuthConnection...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIAuthConnection, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIAuthConnection;
+    req->screen = screen;
+    req->magic = magic;
+    rep.authenticated = 0;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse) || !rep.authenticated) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("AuthConnection... return False");
+        return False;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("AuthConnection... return True");
+    return True;
+}
+
+Bool
+XF86DRICloseConnection(Display * dpy, int screen)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRICloseConnectionReq *req;
+
+    TRACE("CloseConnection...");
+
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRICloseConnection, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRICloseConnection;
+    req->screen = screen;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("CloseConnection... return True");
+    return True;
+}
+
+Bool
+XF86DRIGetClientDriverName(Display * dpy, int screen,
+                           int *ddxDriverMajorVersion,
+                           int *ddxDriverMinorVersion,
+                           int *ddxDriverPatchVersion, char **clientDriverName)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIGetClientDriverNameReply rep;
+    xXF86DRIGetClientDriverNameReq *req;
+
+    TRACE("GetClientDriverName...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIGetClientDriverName, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIGetClientDriverName;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("GetClientDriverName... return False");
+        return False;
+    }
+
+    *ddxDriverMajorVersion = rep.ddxDriverMajorVersion;
+    *ddxDriverMinorVersion = rep.ddxDriverMinorVersion;
+    *ddxDriverPatchVersion = rep.ddxDriverPatchVersion;
+
+    if (rep.length) {
+        if (!
+            (*clientDriverName =
+             (char *) calloc(rep.clientDriverNameLength + 1, 1))) {
+            _XEatData(dpy, ((rep.clientDriverNameLength + 3) & ~3));
+            UnlockDisplay(dpy);
+            SyncHandle();
+            TRACE("GetClientDriverName... return False");
+            return False;
+        }
+        _XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength);
+    }
+    else {
+        *clientDriverName = NULL;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("GetClientDriverName... return True");
+    return True;
+}
+
+Bool
+XF86DRICreateContextWithConfig(Display * dpy, int screen, int configID,
+                               XID *context, drm_context_t * hHWContext)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRICreateContextReply rep;
+    xXF86DRICreateContextReq *req;
+
+    TRACE("CreateContext...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRICreateContext, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRICreateContext;
+    req->visual = configID;
+    req->screen = screen;
+    *context = XAllocID(dpy);
+    req->context = *context;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("CreateContext... return False");
+        return False;
+    }
+    *hHWContext = rep.hHWContext;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("CreateContext... return True");
+    return True;
+}
+
+Bool
+XF86DRICreateContext(Display * dpy, int screen, Visual * visual,
+                     XID *context, drm_context_t * hHWContext)
+{
+    return XF86DRICreateContextWithConfig(dpy, screen, visual->visualid,
+                                          context, hHWContext);
+}
+
+GLboolean
+XF86DRIDestroyContext(Display * dpy, int screen, XID context)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIDestroyContextReq *req;
+
+    TRACE("DestroyContext...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIDestroyContext, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIDestroyContext;
+    req->screen = screen;
+    req->context = context;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("DestroyContext... return True");
+    return True;
+}
+
+GLboolean
+XF86DRICreateDrawable(Display * dpy, int screen,
+                      XID drawable, drm_drawable_t * hHWDrawable)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRICreateDrawableReply rep;
+    xXF86DRICreateDrawableReq *req;
+
+    TRACE("CreateDrawable...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRICreateDrawable, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRICreateDrawable;
+    req->screen = screen;
+    req->drawable = drawable;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("CreateDrawable... return False");
+        return False;
+    }
+    *hHWDrawable = rep.hHWDrawable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("CreateDrawable... return True");
+    return True;
+}
+
+static int
+noopErrorHandler(Display * dpy, XErrorEvent * xerr)
+{
+    return 0;
+}
+
+GLboolean
+XF86DRIDestroyDrawable(Display * dpy, int screen, XID drawable)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIDestroyDrawableReq *req;
+    int (*oldXErrorHandler) (Display *, XErrorEvent *);
+
+    TRACE("DestroyDrawable...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    /* This is called from the DRI driver, which used call it like this
+     *
+     *   if (windowExists(drawable))
+     *     destroyDrawable(drawable);
+     *
+     * which is a textbook race condition - the window may disappear
+     * from the server between checking for its existance and
+     * destroying it.  Instead we change the semantics of
+     * __DRIinterfaceMethodsRec::destroyDrawable() to succeed even if
+     * the windows is gone, by wrapping the destroy call in an error
+     * handler. */
+
+    XSync(dpy, GL_FALSE);
+    oldXErrorHandler = XSetErrorHandler(noopErrorHandler);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIDestroyDrawable, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIDestroyDrawable;
+    req->screen = screen;
+    req->drawable = drawable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    XSetErrorHandler(oldXErrorHandler);
+
+    TRACE("DestroyDrawable... return True");
+    return True;
+}
+
+Bool
+XF86DRIGetDrawableInfo(Display * dpy, int screen, Drawable drawable,
+                       unsigned int *index, unsigned int *stamp,
+                       int *X, int *Y, int *W, int *H,
+                       int *numClipRects, drm_clip_rect_t ** pClipRects,
+                       int *backX, int *backY,
+                       int *numBackClipRects, drm_clip_rect_t ** pBackClipRects)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIGetDrawableInfoReply rep;
+    xXF86DRIGetDrawableInfoReq *req = NULL;
+    int total_rects;
+
+    TRACE("GetDrawableInfo...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIGetDrawableInfo, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIGetDrawableInfo;
+    req->screen = screen;
+    req->drawable = drawable;
+
+    if (!_XReply(dpy, (xReply *) & rep, 1, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("GetDrawableInfo... return False");
+        return False;
+    }
+    *index = rep.drawableTableIndex;
+    *stamp = rep.drawableTableStamp;
+    *X = (int) rep.drawableX;
+    *Y = (int) rep.drawableY;
+    *W = (int) rep.drawableWidth;
+    *H = (int) rep.drawableHeight;
+    *numClipRects = rep.numClipRects;
+    total_rects = *numClipRects;
+
+    *backX = rep.backX;
+    *backY = rep.backY;
+    *numBackClipRects = rep.numBackClipRects;
+    total_rects += *numBackClipRects;
+
+#if 0
+    /* Because of the fix in Xserver/GL/dri/xf86dri.c, this check breaks
+     * backwards compatibility (Because of the >> 2 shift) but the fix
+     * enables multi-threaded apps to work.
+     */
+    if (rep.length != ((((SIZEOF(xXF86DRIGetDrawableInfoReply) -
+                          SIZEOF(xGenericReply) +
+                          total_rects * sizeof(drm_clip_rect_t)) +
+                         3) & ~3) >> 2)) {
+        _XEatData(dpy, rep.length);
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("GetDrawableInfo... return False");
+        return False;
+    }
+#endif
+
+    if (*numClipRects) {
+        int len = sizeof(drm_clip_rect_t) * (*numClipRects);
+
+        *pClipRects = (drm_clip_rect_t *) calloc(len, 1);
+        if (*pClipRects)
+            _XRead(dpy, (char *) *pClipRects, len);
+    }
+    else {
+        *pClipRects = NULL;
+    }
+
+    if (*numBackClipRects) {
+        int len = sizeof(drm_clip_rect_t) * (*numBackClipRects);
+
+        *pBackClipRects = (drm_clip_rect_t *) calloc(len, 1);
+        if (*pBackClipRects)
+            _XRead(dpy, (char *) *pBackClipRects, len);
+    }
+    else {
+        *pBackClipRects = NULL;
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("GetDrawableInfo... return True");
+    return True;
+}
+
+Bool
+XF86DRIGetDeviceInfo(Display * dpy, int screen, drm_handle_t * hFrameBuffer,
+                     int *fbOrigin, int *fbSize, int *fbStride,
+                     int *devPrivateSize, void **pDevPrivate)
+{
+    XExtDisplayInfo *info = find_display(dpy);
+    xXF86DRIGetDeviceInfoReply rep;
+    xXF86DRIGetDeviceInfoReq *req;
+
+    TRACE("GetDeviceInfo...");
+    XF86DRICheckExtension(dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(XF86DRIGetDeviceInfo, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_XF86DRIGetDeviceInfo;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        TRACE("GetDeviceInfo... return False");
+        return False;
+    }
+
+    *hFrameBuffer = rep.hFrameBufferLow;
+    if (sizeof(drm_handle_t) == 8) {
+        int shift = 32;         /* var to prevent warning on next line */
+
+        *hFrameBuffer |= ((drm_handle_t) rep.hFrameBufferHigh) << shift;
+    }
+
+    *fbOrigin = rep.framebufferOrigin;
+    *fbSize = rep.framebufferSize;
+    *fbStride = rep.framebufferStride;
+    *devPrivateSize = rep.devPrivateSize;
+
+    if (rep.length) {
+        if (!(*pDevPrivate = (void *) calloc(rep.devPrivateSize, 1))) {
+            _XEatData(dpy, ((rep.devPrivateSize + 3) & ~3));
+            UnlockDisplay(dpy);
+            SyncHandle();
+            TRACE("GetDeviceInfo... return False");
+            return False;
+        }
+        _XRead(dpy, (char *) *pDevPrivate, rep.devPrivateSize);
+    }
+    else {
+        *pDevPrivate = NULL;
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("GetDeviceInfo... return True");
+    return True;
+}
+
+Bool
+XF86DRIOpenFullScreen(Display * dpy, int screen, Drawable drawable)
+{
+    /* This function and the underlying X protocol are deprecated.
+     */
+    (void) dpy;
+    (void) screen;
+    (void) drawable;
+    return False;
+}
+
+Bool
+XF86DRICloseFullScreen(Display * dpy, int screen, Drawable drawable)
+{
+    /* This function and the underlying X protocol are deprecated.
+     */
+    (void) dpy;
+    (void) screen;
+    (void) drawable;
+    return True;
+}