svn merge -r588:HEAD ^/branches/released .

9 files changed, 7529 insertions, 7529 deletions

diff --git a/xorg-server/hw/dmx/glxProxy/glxcmds.c b/xorg-server/hw/dmx/glxProxy/glxcmds.c
index 31fd431e7..a2fe0b27b 100644
--- a/xorg-server/hw/dmx/glxProxy/glxcmds.c
+++ b/xorg-server/hw/dmx/glxProxy/glxcmds.c
@@ -1,3610 +1,3610 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-#include "dmxsync.h"
-
-#undef Xmalloc
-#undef Xcalloc
-#undef Xrealloc
-#undef Xfree
-
-#include "glxserver.h"
-#include <GL/glxtokens.h>
-#include "g_disptab.h"
-#include <pixmapstr.h>
-#include <windowstr.h>
-#include "glxutil.h"
-#include "glxext.h"
-#include "unpack.h"
-
-#include "GL/glxproto.h"
-#include "glxvendor.h"
-#include "glxvisuals.h"
-#include "glxswap.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-extern __GLXFBConfig **__glXFBConfigs;
-extern int            __glXNumFBConfigs;
-
-extern __GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id );
-extern __GLXFBConfig *glxLookupFBConfigByVID( VisualID vid );
-extern __GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen );
-extern int glxIsExtensionSupported( char *ext );
-extern int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc);
-
-#define BE_TO_CLIENT_ERROR(x) \
-           ( (x) >= __glXerrorBase ? \
-             (x) - dmxScreen->glxErrorBase + __glXerrorBase \
-	     : (x) )
-
-Display *GetBackEndDisplay( __GLXclientState *cl, int s )
-{
-   if (! cl->be_displays[s] ) {
-      cl->be_displays[s] = XOpenDisplay( DisplayString(dmxScreens[s].beDisplay) );
-   }
-   return( cl->be_displays[s] );
-}
-
-/*
-** Create a GL context with the given properties.
-*/
-static int CreateContext(__GLXclientState *cl, 
-                         GLXContextID gcId,
-			 VisualID vid, GLXFBConfigID fbconfigId,
-			 int screen,
-			 GLXContextID shareList,
-			 int isDirect )
-{
-    ClientPtr client = cl->client;
-    xGLXCreateContextReq *be_req;
-    xGLXCreateNewContextReq *be_new_req;
-    VisualPtr pVisual;
-    ScreenPtr pScreen;
-    __GLXcontext *glxc, *shareglxc;
-    __GLXvisualConfig *pGlxVisual;
-    __GLXscreenInfo *pGlxScreen;
-    VisualID visual = vid;
-    GLint i;
-    int from_screen = screen;
-    int to_screen = screen;
-    DMXScreenInfo *dmxScreen;
-    VisualID be_vid;
-    GLXFBConfigID be_fbconfigId;
-    int num_be_screens;
-    Display *dpy;
-    
-    /*
-    ** Check if screen exists.
-    */
-    if (screen >= screenInfo.numScreens) {
-	client->errorValue = screen;
-	return BadValue;
-    }
-
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    /*
-     ** Find the display list space that we want to share.  
-     **
-     */
-    if (shareList == None) {
-       shareglxc = NULL;
-    } else {
-       shareglxc = (__GLXcontext *) LookupIDByType(shareList, __glXContextRes);
-       if (!shareglxc) {
-	  client->errorValue = shareList;
-	  return __glXBadContext;
-       }
-    }
-
-    /*
-    ** Allocate memory for the new context
-    */
-    glxc = __glXCalloc(1, sizeof(__GLXcontext));
-    if (!glxc) {
-	return BadAlloc;
-    }
-
-    pScreen = screenInfo.screens[screen];
-    pGlxScreen = &__glXActiveScreens[screen];
-
-    if (fbconfigId != None) {
-       glxc->pFBConfig = glxLookupFBConfig( fbconfigId );
-       if (!glxc->pFBConfig) {
-	  client->errorValue = fbconfigId;
-	  __glXFree( glxc );
-	  return BadValue;
-       }
-       visual = glxc->pFBConfig->associatedVisualId;
-    }
-    else {
-       glxc->pFBConfig = NULL;
-    }
-
-    if (visual != None) {
-       /*
-	** Check if the visual ID is valid for this screen.
-	*/
-       pVisual = pScreen->visuals;
-       for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
-	  if (pVisual->vid == visual) {
-	     break;
-	  }
-       }
-       if (i == pScreen->numVisuals) {
-	  client->errorValue = visual;
-	  __glXFree( glxc );
-	  return BadValue;
-       }
-
-       pGlxVisual = pGlxScreen->pGlxVisual;
-       for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
-	  if (pGlxVisual->vid == visual) {
-	     break;
-	  }
-       }
-       if (i == pGlxScreen->numVisuals) {
-	  /*
-	   ** Visual not support on this screen by this OpenGL implementation.
-	   */
-	  client->errorValue = visual;
-	  __glXFree( glxc );
-	  return BadValue;
-       }
-
-       if ( glxc->pFBConfig == NULL ) {
-	   glxc->pFBConfig = glxLookupFBConfigByVID( visual );
-
-	   if ( glxc->pFBConfig == NULL ) {
-	      /*
-               * visual does not have an FBConfig ???
-	      client->errorValue = visual;
-	      __glXFree( glxc );
-	      return BadValue;
-	       */
-	   }
-       }
-    }
-    else {
-       pVisual = NULL;
-       pGlxVisual = NULL;
-    }
-
-    glxc->pScreen = pScreen;
-    glxc->pGlxScreen = pGlxScreen;
-    glxc->pVisual = pVisual;
-    glxc->pGlxVisual = pGlxVisual;
-
-    /*
-     * allocate memory for back-end servers info
-     */
-    num_be_screens = to_screen - from_screen + 1;
-    glxc->real_ids = (XID *)__glXMalloc(sizeof(XID) * num_be_screens);
-    if (!glxc->real_ids) {
-	return BadAlloc;
-    }
-    glxc->real_vids = (XID *)__glXMalloc(sizeof(XID) * num_be_screens);
-    if (!glxc->real_vids) {
-	return BadAlloc;
-    }
-
-    for (screen = from_screen; screen <= to_screen; screen++) {
-       int sent = 0;
-       pScreen = screenInfo.screens[screen];
-       pGlxScreen = &__glXActiveScreens[screen];
-       dmxScreen = &dmxScreens[screen];
-
-       if (glxc->pFBConfig) {
-	  __GLXFBConfig *beFBConfig = glxLookupBackEndFBConfig( glxc->pFBConfig->id, 
-		                                                screen );
-	  be_fbconfigId = beFBConfig->id;
-       }
-
-       if (pGlxVisual) {
-
-	  be_vid = glxMatchGLXVisualInConfigList( pGlxVisual,
-	                                    dmxScreen->glxVisuals,
-					    dmxScreen->numGlxVisuals  );
-
-	  if (!be_vid) {
-	     /* visual is not supported on the back-end server */
-	     __glXFree( glxc->real_ids );
-	     __glXFree( glxc->real_vids );
-	     __glXFree( glxc );
-	     return BadValue;
-	  }
-       }
-
-       glxc->real_ids[screen-from_screen] = XAllocID(GetBackEndDisplay(cl,screen));
-
-       /* send the create context request to the back-end server */
-       dpy = GetBackEndDisplay(cl,screen);
-       if (glxc->pFBConfig) {
-	     /*Since for a certain visual both RGB and COLOR INDEX
-	      *can be on then the only parmeter to choose the renderType
-	      * should be the class of the colormap since all 4 first 
-	      * classes does not support RGB mode only COLOR INDEX ,
-	      * and so TrueColor and DirectColor does not support COLOR INDEX*/
-	     int renderType =  glxc->pFBConfig->renderType;  
-	     if ( pVisual ) {
-		 switch ( pVisual->class ){
-		     case PseudoColor:
-                     case StaticColor:
-                     case GrayScale:
-                     case StaticGray:
-                         renderType = GLX_COLOR_INDEX_TYPE;
-                         break;
-                     case TrueColor:
-                     case DirectColor:
-                     default:
-                         renderType = GLX_RGBA_TYPE;
-                     break;
-		 }
-	     }
-	  if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	     LockDisplay(dpy);
-	     GetReq(GLXCreateNewContext,be_new_req);
-	     be_new_req->reqType = dmxScreen->glxMajorOpcode;
-	     be_new_req->glxCode = X_GLXCreateNewContext;
-	     be_new_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
-	     be_new_req->fbconfig = (unsigned int)be_fbconfigId;
-	     be_new_req->screen = DefaultScreen(dpy);
-	     be_new_req->renderType = renderType;  
-
-	     be_new_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
-	     be_new_req->isDirect = 0;
-	     UnlockDisplay(dpy);
-	     glxc->real_vids[screen-from_screen] = be_fbconfigId;
-	     sent = 1;
-	  }
-	  else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
-
-	     xGLXCreateContextWithConfigSGIXReq *ext_req;
-	     xGLXVendorPrivateReq *vpreq;
-	     LockDisplay(dpy);
-	     GetReqExtra(GLXVendorPrivate,
-		         sz_xGLXCreateContextWithConfigSGIXReq - sz_xGLXVendorPrivateReq,
-			vpreq);
-	     ext_req = (xGLXCreateContextWithConfigSGIXReq *)vpreq;
-	     ext_req->reqType = dmxScreen->glxMajorOpcode;
-	     ext_req->glxCode = X_GLXVendorPrivate;
-	     ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX;
-	     ext_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
-	     ext_req->fbconfig = (unsigned int)be_fbconfigId;
-	     ext_req->screen = DefaultScreen(dpy);
-	     ext_req->renderType = renderType;  
-	     ext_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
-	     ext_req->isDirect = 0;
-	     UnlockDisplay(dpy);
-	     glxc->real_vids[screen-from_screen] = be_fbconfigId;
-	     sent = 1;
-	  }
-       }
-
-       if (!sent) {
-	  LockDisplay(dpy);
-	  GetReq(GLXCreateContext,be_req);
-	  be_req->reqType = dmxScreen->glxMajorOpcode;
-	  be_req->glxCode = X_GLXCreateContext;
-	  be_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
-	  be_req->visual = (unsigned int)be_vid;
-	  be_req->screen = DefaultScreen(dpy);
-	  be_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
-	  be_req->isDirect = 0;
-	  UnlockDisplay(dpy);
-	  glxc->real_vids[screen-from_screen] = be_vid;
-       }
-       SyncHandle();
-
-    }
-
-    /*
-    ** Register this context as a resource.
-    */
-    if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
-       __glXFree( glxc->real_ids );
-       __glXFree( glxc->real_vids );
-       __glXFree( glxc );
-	client->errorValue = gcId;
-	return BadAlloc;
-    }
-    
-    /*
-    ** Finally, now that everything is working, setup the rest of the
-    ** context.
-    */
-    glxc->id = gcId;
-    glxc->share_id = shareList;
-    glxc->idExists = GL_TRUE;
-    glxc->isCurrent = GL_FALSE;
-
-    return Success;
-}
-
-int __glXCreateContext(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
-
-    return( CreateContext(cl, req->context,req->visual, None,
-	                  req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXCreateNewContext(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
-
-    return( CreateContext(cl, req->context,None, req->fbconfig,
-	                  req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXCreateContextWithConfigSGIXReq *req = (xGLXCreateContextWithConfigSGIXReq *) pc;
-
-    return( CreateContext(cl, req->context, None, req->fbconfig,
-	                  req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXQueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXQueryMaxSwapBarriersSGIXReq *req =
-	(xGLXQueryMaxSwapBarriersSGIXReq *)pc;
-    xGLXQueryMaxSwapBarriersSGIXReply reply;
-
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = 0;
-    reply.max = QueryMaxSwapBarriersSGIX(req->screen);
-
-    if (client->swapped) {
-	__glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply);
-    } else {
-	WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
-		      (char *)&reply);
-    }
-
-    return Success;
-}
-
-int __glXBindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *)pc;
-    DrawablePtr pDraw;
-    __GLXpixmap *pGlxPixmap = NULL;
-    __glXWindow *pGlxWindow = NULL;
-    int rc;
-
-    rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess);
-    if (rc != Success) {
-	pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable,
-						    __glXPixmapRes);
-	if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
-    }
-
-    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-       pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable,
-						   __glXWindowRes);
-       if (pGlxWindow) pDraw = pGlxWindow->pDraw;
-    }
-
-    if (!pDraw) {
-       client->errorValue = req->drawable;
-       return __glXBadDrawable;
-    }
-
-    return BindSwapBarrierSGIX(pDraw, req->barrier);
-}
-
-int __glXJoinSwapGroupSGIX(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *)pc;
-    DrawablePtr pDraw, pMember = NULL;
-    __GLXpixmap *pGlxPixmap = NULL;
-    __glXWindow *pGlxWindow = NULL;
-    int rc;
-
-    rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess);
-    if (rc != Success) {
-	pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable,
-						    __glXPixmapRes);
-	if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
-    }
-
-    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-       pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable,
-						   __glXWindowRes);
-       if (pGlxWindow) pDraw = pGlxWindow->pDraw;
-    }
-
-    if (!pDraw) {
-       client->errorValue = req->drawable;
-       return __glXBadDrawable;
-    }
-
-    if (req->member != None) {
-	rc = dixLookupDrawable(&pMember, req->member, client, 0,
-			       DixGetAttrAccess);
-	if (rc != Success) {
-	    pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->member,
-							__glXPixmapRes);
-	    if (pGlxPixmap) pMember = pGlxPixmap->pDraw;
-	}
-
-	if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	    pGlxWindow = (__glXWindow *) LookupIDByType(req->member,
-							__glXWindowRes);
-	    if (pGlxWindow) pMember = pGlxWindow->pDraw;
-	}
-
-	if (!pMember) {
-	    client->errorValue = req->member;
-	    return __glXBadDrawable;
-	}
-    }
-
-    return JoinSwapGroupSGIX(pDraw, pMember);
-}
-
-
-/*
-** Destroy a GL context as an X resource.
-*/
-int __glXDestroyContext(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
-    xGLXDestroyContextReq *be_req;
-    GLXContextID gcId = req->context;
-    __GLXcontext *glxc;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-    
-    glxc = (__GLXcontext *) LookupIDByType(gcId, __glXContextRes);
-    if (glxc) {
-	/*
-	** Just free the resource; don't actually destroy the context,
-	** because it might be in use.  The
-	** destroy method will be called by the resource destruction routine
-	** if necessary.
-	*/
-	FreeResourceByType(gcId, __glXContextRes, FALSE);
-
-	from_screen = to_screen = glxc->pScreen->myNum;
-
-    } else {
-	client->errorValue = gcId;
-	return __glXBadContext;
-    }
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    /*
-     * send DestroyContext request to all back-end servers
-     */
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReq(GLXDestroyContext,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXDestroyContext;
-       be_req->context = glxc->real_ids[s-from_screen];
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** For each client, the server keeps a table of all the contexts that are
-** current for that client (each thread of a client may have its own current
-** context).  These routines add, change, and lookup contexts in the table.
-*/
-
-/*
-** Add a current context, and return the tag that will be used to refer to it.
-*/
-static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, DrawablePtr pDraw)
-{
-    int i;
-    int num = cl->numCurrentContexts;
-    __GLXcontext **table = cl->currentContexts;
-
-    if (!glxc) return -1;
-    
-    /*
-    ** Try to find an empty slot and use it.
-    */
-    for (i=0; i < num; i++) {
-	if (!table[i]) {
-	    table[i] = glxc;
-	    return i+1;
-	}
-    }
-    /*
-    ** Didn't find a free slot, so we'll have to grow the table.
-    */
-    if (!num) {
-	table = (__GLXcontext **) __glXMalloc(sizeof(__GLXcontext *));
-	cl->currentDrawables = (DrawablePtr *) __glXMalloc(sizeof(DrawablePtr));
-	cl->be_currentCTag = (GLXContextTag *) __glXMalloc(screenInfo.numScreens *sizeof(GLXContextTag));
-    } else {
-	table = (__GLXcontext **) __glXRealloc(table,
-					   (num+1)*sizeof(__GLXcontext *));
-	cl->currentDrawables = (DrawablePtr *) __glXRealloc(
-	                                          cl->currentDrawables ,
-						  (num+1)*sizeof(DrawablePtr));
-	cl->be_currentCTag = (GLXContextTag *) __glXRealloc(cl->be_currentCTag,
-	            (num+1)*screenInfo.numScreens*sizeof(GLXContextTag));
-    }
-    table[num] = glxc;
-    cl->currentDrawables[num] = pDraw;
-    cl->currentContexts = table;
-    cl->numCurrentContexts++;
-
-    memset(cl->be_currentCTag + num*screenInfo.numScreens, 0, 
-	         screenInfo.numScreens * sizeof(GLXContextTag));
-
-    return num+1;
-}
-
-/*
-** Given a tag, change the current context for the corresponding entry.
-*/
-static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
-				GLXContextTag tag)
-{
-    __GLXcontext **table = cl->currentContexts;
-    table[tag-1] = glxc;
-}
-
-/*
-** Given a tag, and back-end screen number, retrives the current back-end
-** tag.
-*/
-int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s)
-{
-   if (tag >0) {
-      return( cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] );
-   }
-   else {
-      return( 0 );
-   }
-}
-
-/*
-** Given a tag, and back-end screen number, sets the current back-end
-** tag.
-*/
-static void SetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s, GLXContextTag be_tag)
-{
-   if (tag >0) {
-      cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] = be_tag;
-   }
-}
-
-/*
-** For this implementation we have chosen to simply use the index of the
-** context's entry in the table as the context tag.  A tag must be greater
-** than 0.
-*/
-__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
-{
-    int num = cl->numCurrentContexts;
-
-    if (tag < 1 || tag > num) {
-	return 0;
-    } else {
-	return cl->currentContexts[tag-1];
-    }
-}
-
-DrawablePtr __glXLookupDrawableByTag(__GLXclientState *cl, GLXContextTag tag)
-{
-    int num = cl->numCurrentContexts;
-
-    if (tag < 1 || tag > num) {
-	return 0;
-    } else {
-	return cl->currentDrawables[tag-1];
-    }
-}
-
-/*****************************************************************************/
-
-static void StopUsingContext(__GLXcontext *glxc)
-{
-    if (glxc) {
-	if (glxc == __glXLastContext) {
-	    /* Tell server GL library */
-	    __glXLastContext = 0;
-	}
-	glxc->isCurrent = GL_FALSE;
-	if (!glxc->idExists) {
-	    __glXFreeContext(glxc);
-	}
-    }
-}
-
-static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
-{
-    glxc->isCurrent = GL_TRUE;
-}
-
-/*****************************************************************************/
-/*
-** Make an OpenGL context and drawable current.
-*/
-static int MakeCurrent(__GLXclientState *cl,
-                       GLXDrawable drawable,
-                       GLXDrawable readdrawable,
-		       GLXContextID context,
-		       GLXContextTag oldContextTag)
-{
-    ClientPtr client = cl->client;
-    DrawablePtr pDraw = NULL;
-    DrawablePtr pReadDraw = NULL;
-    xGLXMakeCurrentReadSGIReply new_reply;
-    xGLXMakeCurrentReq *be_req;
-    xGLXMakeCurrentReply be_reply;
-    xGLXMakeContextCurrentReq *be_new_req;
-    xGLXMakeContextCurrentReply be_new_reply;
-    GLXDrawable drawId = drawable;
-    GLXDrawable readId = readdrawable;
-    GLXContextID contextId = context;
-    __GLXpixmap *pGlxPixmap = 0;
-    __GLXpixmap *pReadGlxPixmap = 0;
-    __GLXcontext *glxc, *prevglxc;
-    GLXContextTag tag = oldContextTag;
-    WindowPtr pWin = NULL;
-    WindowPtr pReadWin = NULL;
-    __glXWindow *pGlxWindow = NULL;
-    __glXWindow *pGlxReadWindow = NULL;
-    __glXPbuffer *pGlxPbuffer = NULL;
-    __glXPbuffer *pGlxReadPbuffer = NULL;
-#ifdef PANORAMIX
-    PanoramiXRes *pXinDraw = NULL;
-    PanoramiXRes *pXinReadDraw = NULL;
-#endif
-    int from_screen = 0;
-    int to_screen = 0;
-    int s, rc;
-
-    /*
-    ** If one is None and the other isn't, it's a bad match.
-    */
-    if ((drawId == None && contextId != None) ||
-	(drawId != None && contextId == None)) {
-	return BadMatch;
-    }
-    
-    /*
-    ** Lookup old context.  If we have one, it must be in a usable state.
-    */
-    if (tag != 0) {
-	prevglxc = __glXLookupContextByTag(cl, tag);
-	if (!prevglxc) {
-	    /*
-	    ** Tag for previous context is invalid.
-	    */
-	    return __glXBadContextTag;
-	}
-    } else {
-	prevglxc = 0;
-    }
-
-    /*
-    ** Lookup new context.  It must not be current for someone else.
-    */
-    if (contextId != None) {
-	glxc = (__GLXcontext *) LookupIDByType(contextId, __glXContextRes);
-	if (!glxc) {
-	    client->errorValue = contextId;
-	    return __glXBadContext;
-	}
-	if ((glxc != prevglxc) && glxc->isCurrent) {
-	    /* Context is current to somebody else */
-	    return BadAccess;
-	}
-    } else {
-	/* Switching to no context.  Ignore new drawable. */
-	glxc = 0;
-    }
-
-    if (drawId != None) {
-	rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
-	if (rc == Success) {
-	    if (pDraw->type == DRAWABLE_WINDOW) {
-		/*
-		** Drawable is an X Window.
-		*/
-	        VisualID vid;
-		pWin = (WindowPtr)pDraw;
-		vid = wVisual(pWin);
-
-		new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
-		new_reply.writeType = GLX_WINDOW_TYPE;
-
-		/*
-		** Check if window and context are similar.
-		*/
-		if ((vid != glxc->pVisual->vid) ||
-		    (pWin->drawable.pScreen != glxc->pScreen)) {
-		    client->errorValue = drawId;
-		    return BadMatch;
-		}
-
-		from_screen = to_screen = pWin->drawable.pScreen->myNum;
-
-	    } else {
-		/*
-		** An X Pixmap is not allowed as a parameter (a GLX Pixmap
-		** is, but it must first be created with glxCreateGLXPixmap).
-		*/
-		client->errorValue = drawId;
-		return __glXBadDrawable;
-	    }
-	}
-
-        if (!pDraw) {
-	    pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
-							__glXPixmapRes);
-	    if (pGlxPixmap) {
-		/*
-		** Check if pixmap and context are similar.
-		*/
-		if (pGlxPixmap->pScreen != glxc->pScreen ||
-		    pGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
-		    client->errorValue = drawId;
-		    return BadMatch;
-		}
-		pDraw = pGlxPixmap->pDraw;
-
-		new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : 
-		                      pGlxPixmap->pGlxVisual->vid);
-
-		new_reply.writeType = GLX_PIXMAP_TYPE;
-
-		from_screen = to_screen = pGlxPixmap->pScreen->myNum;
-
-	    }
-	}
-
-	if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	   pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
-            if (pGlxWindow) {
-                /*
-                ** Drawable is a GLXWindow.
-                **
-                ** Check if GLX window and context are similar.
-                */
-                if (pGlxWindow->pScreen != glxc->pScreen ||
-                    pGlxWindow->pGlxFBConfig != glxc->pFBConfig) {
-                    client->errorValue = drawId;
-                    return BadMatch;
-                }
-
-                pDraw = pGlxWindow->pDraw;
-                new_reply.writeVid = pGlxWindow->pGlxFBConfig->id;
-                new_reply.writeType = GLX_GLXWINDOW_TYPE;
-            }
-
-	}
-
-	if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	   pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);
-	   if (pGlxPbuffer) {
-                if (pGlxPbuffer->pScreen != glxc->pScreen ||
-                    pGlxPbuffer->pFBConfig != glxc->pFBConfig) {
-                    client->errorValue = drawId;
-                    return BadMatch;
-                }
-
-		pDraw = (DrawablePtr)pGlxPbuffer;
-                new_reply.writeVid = pGlxPbuffer->pFBConfig->id;
-                new_reply.writeType = GLX_PBUFFER_TYPE;
-	   }
-	}
-
-	if (!pDraw) {
-	   /*
-    	    ** Drawable is not a Window , GLXWindow or a GLXPixmap.
-	    */
-	   client->errorValue = drawId;
-	   return __glXBadDrawable;
-	}
-
-    } else {
-	pDraw = 0;
-    }
-
-    if (readId != None && readId != drawId ) {
-	rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess);
-	if (rc == Success) {
-	    if (pReadDraw->type == DRAWABLE_WINDOW) {
-		/*
-		** Drawable is an X Window.
-		*/
-	        VisualID vid;
-		pReadWin = (WindowPtr)pDraw;
-		vid = wVisual(pReadWin);
-
-		new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
-		new_reply.readType = GLX_WINDOW_TYPE;
-
-		/*
-		** Check if window and context are similar.
-		*/
-		if ((vid != glxc->pVisual->vid) ||
-		    (pReadWin->drawable.pScreen != glxc->pScreen)) {
-		    client->errorValue = readId;
-		    return BadMatch;
-		}
-
-	    } else {
-
-		/*
-		** An X Pixmap is not allowed as a parameter (a GLX Pixmap
-		** is, but it must first be created with glxCreateGLXPixmap).
-		*/
-		client->errorValue = readId;
-		return __glXBadDrawable;
-	    }
-	}
-
-	if (!pReadDraw) {
-	    pReadGlxPixmap = (__GLXpixmap *) LookupIDByType(readId,
-							__glXPixmapRes);
-	    if (pReadGlxPixmap) {
-		/*
-		** Check if pixmap and context are similar.
-		*/
-		if (pReadGlxPixmap->pScreen != glxc->pScreen ||
-		    pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
-		    client->errorValue = readId;
-		    return BadMatch;
-		}
-		pReadDraw = pReadGlxPixmap->pDraw;
-
-		new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
-		                     pReadGlxPixmap->pGlxVisual->vid );
-		new_reply.readType = GLX_PIXMAP_TYPE;
-
-	    }
-	}
-
-	if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	   pGlxReadWindow = (__glXWindow *)
-                                LookupIDByType(readId, __glXWindowRes);
-            if (pGlxReadWindow) {
-                /*
-                ** Drawable is a GLXWindow.
-                **
-                ** Check if GLX window and context are similar.
-                */
-                if (pGlxReadWindow->pScreen != glxc->pScreen ||
-                    pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) {
-                    client->errorValue = readId;
-                    return BadMatch;
-                }
-
-                pReadDraw = pGlxReadWindow->pDraw;
-                new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id;
-                new_reply.readType = GLX_GLXWINDOW_TYPE;
-            }
-	}
-
-	if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	   pGlxReadPbuffer = (__glXPbuffer *)LookupIDByType(readId, __glXPbufferRes);
-	   if (pGlxReadPbuffer) {
-                if (pGlxReadPbuffer->pScreen != glxc->pScreen ||
-                    pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) {
-                    client->errorValue = drawId;
-                    return BadMatch;
-                }
-
-		pReadDraw = (DrawablePtr)pGlxReadPbuffer;
-                new_reply.readVid = pGlxReadPbuffer->pFBConfig->id;
-                new_reply.readType = GLX_PBUFFER_TYPE;
-	   }
-	}
-
-	if (!pReadDraw) {
-	   /*
-    	    ** Drawable is neither a Window nor a GLXPixmap.
-	    */
-	   client->errorValue = readId;
-	   return __glXBadDrawable;
-	}
-
-    } else {
-	pReadDraw = pDraw;
-	pReadGlxPixmap = pGlxPixmap;
-	pReadWin = pWin;
-	new_reply.readVid = new_reply.writeVid;
-	new_reply.readType = new_reply.writeType;
-    }
-
-    if (prevglxc) {
-
-	if (prevglxc->pGlxPixmap) {
-	    /*
-	    ** The previous drawable was a glx pixmap, release it.
-	    */
-	    prevglxc->pGlxPixmap->refcnt--;
-	    __glXFreeGLXPixmap( prevglxc->pGlxPixmap );
-	    prevglxc->pGlxPixmap = 0;
-	}
-
-	if (prevglxc->pGlxReadPixmap) {
-	    /*
-	    ** The previous drawable was a glx pixmap, release it.
-	    */
-	    prevglxc->pGlxReadPixmap->refcnt--;
-	    __glXFreeGLXPixmap( prevglxc->pGlxReadPixmap );
-	    prevglxc->pGlxReadPixmap = 0;
-	}
-
-	if (prevglxc->pGlxWindow) {
-	    /*
-	    ** The previous drawable was a glx window, release it.
-	    */
-	    prevglxc->pGlxWindow->refcnt--;
-	    __glXFreeGLXWindow( prevglxc->pGlxWindow );
-	    prevglxc->pGlxWindow = 0;   
-	}
-
-	if (prevglxc->pGlxReadWindow) {
-	    /*
-	    ** The previous drawable was a glx window, release it.
-	    */
-	    prevglxc->pGlxReadWindow->refcnt--;
-	    __glXFreeGLXWindow( prevglxc->pGlxReadWindow );
-	    prevglxc->pGlxReadWindow = 0;   
-	}
-
-	if (prevglxc->pGlxPbuffer) {
-	    /*
-	    ** The previous drawable was a glx Pbuffer, release it.
-	    */
-	    prevglxc->pGlxPbuffer->refcnt--;
-	    __glXFreeGLXPbuffer( prevglxc->pGlxPbuffer );
-	    prevglxc->pGlxPbuffer = 0;   
-	}
-
-	if (prevglxc->pGlxReadPbuffer) {
-	    /*
-	    ** The previous drawable was a glx Pbuffer, release it.
-	    */
-	    prevglxc->pGlxReadPbuffer->refcnt--;
-	    __glXFreeGLXPbuffer( prevglxc->pGlxReadPbuffer );
-	    prevglxc->pGlxReadPbuffer = 0;   
-	}
-
-	ChangeCurrentContext(cl, glxc, tag);
-	ChangeCurrentContext(cl, glxc, tag);
-	StopUsingContext(prevglxc);
-    } else {
-	tag = AddCurrentContext(cl, glxc, pDraw);
-    }
-    if (glxc) {
-
-       glxc->pGlxPixmap = pGlxPixmap;
-       glxc->pGlxReadPixmap = pReadGlxPixmap;
-       glxc->pGlxWindow = pGlxWindow;
-       glxc->pGlxReadWindow = pGlxReadWindow;
-       glxc->pGlxPbuffer = pGlxPbuffer;
-       glxc->pGlxReadPbuffer = pGlxReadPbuffer;
-
-	if (pGlxPixmap) {
-	    pGlxPixmap->refcnt++;
-	}
-
-	if (pReadGlxPixmap) {
-	    pReadGlxPixmap->refcnt++;
-	}
-
-	if (pGlxWindow) {
-	   pGlxWindow->refcnt++;
-	}
-
-	if (pGlxReadWindow) {
-	   pGlxReadWindow->refcnt++;
-	}
-
-	if (pGlxPbuffer) {
-	   pGlxPbuffer->refcnt++;
-	}
-
-	if (pGlxReadPbuffer) {
-	   pGlxReadPbuffer->refcnt++;
-	}
-
-	StartUsingContext(cl, glxc);
-	new_reply.contextTag = tag;
-    } else {
-	new_reply.contextTag = 0;
-    }
-    new_reply.length = 0;
-    new_reply.type = X_Reply;
-    new_reply.sequenceNumber = client->sequence;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-
-       if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) {
-	  pXinDraw = (PanoramiXRes *)
-	     SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
-       }
-
-       if (pReadDraw && pReadDraw != pDraw && 
-	     new_reply.readType != GLX_PBUFFER_TYPE) {
-	  pXinReadDraw = (PanoramiXRes *)
-	     SecurityLookupIDByClass(client, pReadDraw->id, XRC_DRAWABLE, DixReadAccess);
-       }
-       else {
-	  pXinReadDraw = pXinDraw;
-       }
-    }
-#endif
-
-
-    /* send the MakeCurrent request to all required
-     * back-end servers.
-     */
-    for (s = from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-       unsigned int be_draw = None;
-       unsigned int be_read_draw = None;
-
-       if (pGlxPixmap) {
-	   be_draw = pGlxPixmap->be_xids[s];
-       }
-       else if (pGlxPbuffer) {
-	  be_draw = pGlxPbuffer->be_xids[s];
-       }
-#ifdef PANORAMIX
-       else if (pXinDraw) {
-	  dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
-       }
-#endif
-       else if (pGlxWindow) {
-	  pWin = (WindowPtr)pGlxWindow->pDraw;
-       }
-
-       if (pWin && be_draw == None) {
-	   be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   if (!be_draw) {
-	      /* it might be that the window did not created yet on the */
-	      /* back-end server (lazy window creation option), force   */
-	      /* creation of the window */
-	      dmxCreateAndRealizeWindow( pWin, TRUE );
-	      be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   }
-       }
-
-       /*
-	* Before sending the MakeCurrent request - sync the
-	* X11 connection to the back-end servers to make sure
-	* that drawable is already created
-	*/
-       dmxSync( dmxScreen, 1 ); 
-
-       if (drawId == readId) {
-	  LockDisplay(dpy);
-	  GetReq(GLXMakeCurrent, be_req);
-	  be_req->reqType = dmxScreen->glxMajorOpcode;
-	  be_req->glxCode = X_GLXMakeCurrent;
-	  be_req->drawable = be_draw;
-	  be_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
-	  be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
-	  if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) {
-
-	     /* The make current failed */
-	     UnlockDisplay(dpy);
-	     SyncHandle();
-	     return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
-	  }
-
-	  UnlockDisplay(dpy);
-       	  SyncHandle();
-
-	  SetCurrentBackEndTag( cl, tag, s, be_reply.contextTag );
-       }
-       else {
-
-	  if (pReadGlxPixmap) {
-	     be_read_draw = pReadGlxPixmap->be_xids[s];
-	  }
-	  else if (pGlxReadPbuffer) {
-	     be_read_draw = pGlxReadPbuffer->be_xids[s];
-	  }
-#ifdef PANORAMIX
-	  else if (pXinReadDraw) {
-	     dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client,
-			     DixReadAccess);
-   	  }
-#endif
-	  else if (pGlxReadWindow) {
-	     pReadWin = (WindowPtr)pGlxReadWindow->pDraw;
-	  }
-
-      	  if (pReadWin && be_read_draw == None) {
-  	     be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
-	   if (!be_read_draw) {
-	      /* it might be that the window did not created yet on the */
-	      /* back-end server (lazy window creation option), force   */
-	      /* creation of the window */
-	      dmxCreateAndRealizeWindow( pReadWin, TRUE );
-	      be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
-              dmxSync( dmxScreen, 1 ); 
-	   }
-     	  }
-
-	  if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-	     LockDisplay(dpy);
-	     GetReq(GLXMakeContextCurrent, be_new_req);
-	     be_new_req->reqType = dmxScreen->glxMajorOpcode;
-	     be_new_req->glxCode = X_GLXMakeContextCurrent;
-	     be_new_req->drawable = be_draw;
-	     be_new_req->readdrawable = be_read_draw;
-	     be_new_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
-	     be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
-	     if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) {
-
-		/* The make current failed */
-		UnlockDisplay(dpy);
-   		SyncHandle();
-   		return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
-   	     }
-
-   	     UnlockDisplay(dpy);
-      	     SyncHandle();
-
-   	     SetCurrentBackEndTag( cl, tag, s, be_new_reply.contextTag );
-	  }
-	  else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) {
-	     xGLXMakeCurrentReadSGIReq *ext_req;
-	     xGLXVendorPrivateWithReplyReq *vpreq;
-             xGLXMakeCurrentReadSGIReply ext_reply;
-
-	     LockDisplay(dpy);
-	     GetReqExtra(GLXVendorPrivateWithReply, 
-		         sz_xGLXMakeCurrentReadSGIReq - sz_xGLXVendorPrivateWithReplyReq,
-		         vpreq);
-	     ext_req = (xGLXMakeCurrentReadSGIReq *)vpreq;
-	     ext_req->reqType = dmxScreen->glxMajorOpcode;
-	     ext_req->glxCode = X_GLXVendorPrivateWithReply;
-	     ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
-	     ext_req->drawable = be_draw;
-	     ext_req->readable = be_read_draw;
-	     ext_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
-	     ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
-	     if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) {
-
-		/* The make current failed */
-		UnlockDisplay(dpy);
-   		SyncHandle();
-   		return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
-   	     }
-
-   	     UnlockDisplay(dpy);
-      	     SyncHandle();
-
-   	     SetCurrentBackEndTag( cl, tag, s, ext_reply.contextTag );
-
-	  }
-	  else {
-	     return BadMatch;
-	  }
-       }
-
-       XFlush( dpy );
-    }
-
-    if (client->swapped) {
-	__glXSwapMakeCurrentReply(client, &new_reply);
-    } else {
-	WriteToClient(client, sz_xGLXMakeContextCurrentReply, (char *)&new_reply);
-    }
-
-    return Success;
-}
-
-int __glXMakeCurrent(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
-
-    return( MakeCurrent(cl, req->drawable, req->drawable,
-	                req->context, req->oldContextTag ) );
-}
-
-int __glXMakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
-
-    return( MakeCurrent(cl, req->drawable, req->readdrawable,
-	                req->context, req->oldContextTag ) );
-}
-
-int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
-
-    return( MakeCurrent(cl, req->drawable, req->readable,
-	                req->context, req->oldContextTag ) );
-}
-
-int __glXIsDirect(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
-    xGLXIsDirectReply reply;
-    __GLXcontext *glxc;
-
-    /*
-    ** Find the GL context.
-    */
-    glxc = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes);
-    if (!glxc) {
-	client->errorValue = req->context;
-	return __glXBadContext;
-    }
-
-    reply.isDirect = 0;
-    reply.length = 0;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-
-    if (client->swapped) {
-	__glXSwapIsDirectReply(client, &reply);
-    } else {
-	WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
-    }
-
-    return Success;
-}
-
-int __glXQueryVersion(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-/*    xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */
-    xGLXQueryVersionReply reply;
-
-    /*
-    ** Server should take into consideration the version numbers sent by the
-    ** client if it wants to work with older clients; however, in this
-    ** implementation the server just returns its version number.
-    */
-    reply.majorVersion = __glXVersionMajor;
-    reply.minorVersion = __glXVersionMinor;
-    reply.length = 0;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-
-    if (client->swapped) {
-	__glXSwapQueryVersionReply(client, &reply);
-    } else {
-	WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
-    }
-    return Success;
-}
-
-int __glXWaitGL(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
-    xGLXWaitGLReq *be_req = (xGLXWaitGLReq *)pc;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-    __GLXcontext *glxc = NULL;
-    
-    if (req->contextTag != 0) {
-	glxc = __glXLookupContextByTag(cl, req->contextTag);
-	if (glxc) {
-	   from_screen = to_screen = glxc->pScreen->myNum;
-	}
-    }
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReq(GLXWaitGL,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXWaitGL;
-       be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       XSync(dpy, False);
-    }
-    
-    return Success;
-}
-
-int __glXWaitX(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
-    xGLXWaitXReq *be_req;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-    __GLXcontext *glxc = NULL;
-    
-    if (req->contextTag != 0) {
-	glxc = __glXLookupContextByTag(cl, req->contextTag);
-	if (glxc) {
-	   from_screen = to_screen = glxc->pScreen->myNum;
-	}
-    }
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       dmxSync( dmxScreen, 1 );
-
-       LockDisplay(dpy);
-       GetReq(GLXWaitX,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXWaitX;
-       be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       XFlush( dpy );
-    }
-
-    return Success;
-}
-
-int __glXCopyContext(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXCopyContextReq *be_req;
-    xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
-    GLXContextID source = req->source;
-    GLXContextID dest = req->dest;
-    GLXContextTag tag = req->contextTag;
-    unsigned long mask = req->mask;
-    __GLXcontext *src, *dst;
-    int s;
-    int from_screen = 0;
-    int to_screen = 0;
-
-    /*
-    ** Check that each context exists.
-    */
-    src = (__GLXcontext *) LookupIDByType(source, __glXContextRes);
-    if (!src) {
-	client->errorValue = source;
-	return __glXBadContext;
-    }
-    dst = (__GLXcontext *) LookupIDByType(dest, __glXContextRes);
-    if (!dst) {
-	client->errorValue = dest;
-	return __glXBadContext;
-    }
-
-    /*
-    ** They must be in the same address space, and same screen.
-    */
-    if (src->pGlxScreen != dst->pGlxScreen) {
-	client->errorValue = source;
-	return BadMatch;
-    }
-
-    /*
-    ** The destination context must not be current for any client.
-    */
-    if (dst->isCurrent) {
-	client->errorValue = dest;
-	return BadAccess;
-    }
-
-    if (tag) {
-	__GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
-	
-	if (!tagcx) {
-	    return __glXBadContextTag;
-	}
-	if (tagcx != src) {
-	    /*
-	    ** This would be caused by a faulty implementation of the client
-	    ** library.
-	    */
-	    return BadMatch;
-	}
-    }
-
-    from_screen = to_screen = src->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReq(GLXCopyContext,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXCopyContext;
-       be_req->source = (unsigned int)src->real_ids[s-from_screen];
-       be_req->dest = (unsigned int)dst->real_ids[s-from_screen];
-       be_req->mask = mask;
-       be_req->contextTag = (tag ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    return Success;
-}
-
-int __glXGetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
-    xGLXGetVisualConfigsReply reply;
-    __GLXscreenInfo *pGlxScreen;
-    __GLXvisualConfig *pGlxVisual;
-    CARD32 buf[__GLX_TOTAL_CONFIG];
-    unsigned int screen;
-    int i, p;
-
-    screen = req->screen;
-    if (screen > screenInfo.numScreens) {
-	/* The client library must send a valid screen number. */
-	client->errorValue = screen;
-	return BadValue;
-    }
-    pGlxScreen = &__glXActiveScreens[screen];
-
-    reply.numVisuals = pGlxScreen->numGLXVisuals;
-    reply.numProps = __GLX_TOTAL_CONFIG;
-    reply.length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 *
-		    __GLX_TOTAL_CONFIG) >> 2;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-
-    WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
-
-    for (i=0; i < pGlxScreen->numVisuals; i++) {
-	pGlxVisual = &pGlxScreen->pGlxVisual[i];
-	if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) {
-	    /* not a usable visual */
-	    continue;
-	}
-	p = 0;
-	buf[p++] = pGlxVisual->vid;
-	buf[p++] = pGlxVisual->class;
-	buf[p++] = pGlxVisual->rgba;
-
-	buf[p++] = pGlxVisual->redSize;
-	buf[p++] = pGlxVisual->greenSize;
-	buf[p++] = pGlxVisual->blueSize;
-	buf[p++] = pGlxVisual->alphaSize;
-	buf[p++] = pGlxVisual->accumRedSize;
-	buf[p++] = pGlxVisual->accumGreenSize;
-	buf[p++] = pGlxVisual->accumBlueSize;
-	buf[p++] = pGlxVisual->accumAlphaSize;
-
-	buf[p++] = pGlxVisual->doubleBuffer;
-	buf[p++] = pGlxVisual->stereo;
-
-	buf[p++] = pGlxVisual->bufferSize;
-	buf[p++] = pGlxVisual->depthSize;
-	buf[p++] = pGlxVisual->stencilSize;
-	buf[p++] = pGlxVisual->auxBuffers;
-	buf[p++] = pGlxVisual->level;
-	/* 
-	** Add token/value pairs for extensions.
-	*/
-	buf[p++] = GLX_VISUAL_CAVEAT_EXT;
-	buf[p++] = pGlxVisual->visualRating;
-	buf[p++] = GLX_TRANSPARENT_TYPE_EXT;
-	buf[p++] = pGlxVisual->transparentPixel;
-	buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT;
-	buf[p++] = pGlxVisual->transparentRed;
-	buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT;
-	buf[p++] = pGlxVisual->transparentGreen;
-	buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT;
-	buf[p++] = pGlxVisual->transparentBlue;
-	buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT;
-	buf[p++] = pGlxVisual->transparentAlpha;
-	buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT;
-	buf[p++] = pGlxVisual->transparentIndex;
-	buf[p++] = GLX_SAMPLES_SGIS;
-	buf[p++] = pGlxVisual->multiSampleSize;
-	buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
-	buf[p++] = pGlxVisual->nMultiSampleBuffers;
-	buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
-	buf[p++] = pGlxVisual->visualSelectGroup;
-
-	WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG, 
-		(char *)buf);
-    }
-    return Success;
-}
-
-/*
-** Create a GLX Pixmap from an X Pixmap.
-*/
-static int CreateGLXPixmap(__GLXclientState *cl,
-                    VisualID visual, GLXFBConfigID fbconfigId,
-		    int screenNum, XID pixmapId, XID glxpixmapId )
-{
-    ClientPtr client = cl->client;
-    xGLXCreateGLXPixmapReq *be_req;
-    xGLXCreatePixmapReq *be_new_req;
-    DrawablePtr pDraw;
-    ScreenPtr pScreen;
-    VisualPtr pVisual;
-    __GLXpixmap *pGlxPixmap;
-    __GLXscreenInfo *pGlxScreen;
-    __GLXvisualConfig *pGlxVisual;
-    __GLXFBConfig *pFBConfig;
-    int i, s, rc;
-    int from_screen, to_screen;
-#ifdef PANORAMIX
-    PanoramiXRes *pXinDraw = NULL;
-#endif
-
-    rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP,
-			   DixAddAccess);
-    if (rc != Success)
-	return rc;
-
-    /*
-    ** Check if screen of visual matches screen of pixmap.
-    */
-    pScreen = pDraw->pScreen;
-    if (screenNum != pScreen->myNum) {
-	return BadMatch;
-    }
-
-    if (fbconfigId == NULL && visual == NULL) {
-	  return BadValue;
-    }
-
-    if (fbconfigId != None) {
-       pFBConfig = glxLookupFBConfig( fbconfigId );
-       if (!pFBConfig) {
-	  client->errorValue = fbconfigId;
-	  return BadValue;
-       }
-       visual = pFBConfig->associatedVisualId;
-    }
-    else {
-       pFBConfig = NULL;
-    }
-
-    if (visual != None) {
-       /*
-	** Find the VisualRec for this visual.
-	*/
-       pVisual = pScreen->visuals;
-       for (i=0; i < pScreen->numVisuals; i++, pVisual++) {
-	  if (pVisual->vid == visual) {
-	     break;
-	  }
-       }
-       if (i == pScreen->numVisuals) {
-	  client->errorValue = visual;
-	  return BadValue;
-       }
-       /*
-	** Check if depth of visual matches depth of pixmap.
-	*/
-       if (pVisual->nplanes != pDraw->depth) {
-	  client->errorValue = visual;
-	  return BadMatch;
-       }
-
-       /*
-	** Get configuration of the visual.
-	*/
-       pGlxScreen = &__glXActiveScreens[screenNum];
-       pGlxVisual = pGlxScreen->pGlxVisual;
-       for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
-	  if (pGlxVisual->vid == visual) {
-	     break;
-	  }
-       }
-       if (i == pGlxScreen->numVisuals) {
-	  /*
-	   ** Visual not support on this screen by this OpenGL implementation.
-	   */
-	  client->errorValue = visual;
-	  return BadValue;
-       }
-
-
-       /* find the FBConfig for that visual (if any) */
-       if ( pFBConfig == NULL ) {
-	   pFBConfig = glxLookupFBConfigByVID( visual );
-
-	   if ( pFBConfig == NULL ) {
-	      /*
-               * visual does not have an FBConfig ???
-	      client->errorValue = visual;
-	      return BadValue;
-	       */
-	   }
-       }
-    }
-    else {
-       pVisual = NULL;
-       pGlxVisual = NULL;
-    }
-
-    pGlxPixmap = (__GLXpixmap *) __glXMalloc(sizeof(__GLXpixmap));
-    if (!pGlxPixmap) {
-	return BadAlloc;
-    }
-    pGlxPixmap->be_xids = (XID *) __glXMalloc(sizeof(XID) * screenInfo.numScreens);
-    if (!pGlxPixmap->be_xids) {
-        __glXFree( pGlxPixmap );
-	return BadAlloc;
-    }
-
-    pGlxPixmap->pDraw = pDraw;
-    pGlxPixmap->pGlxScreen = pGlxScreen;
-    pGlxPixmap->pGlxVisual = pGlxVisual;
-    pGlxPixmap->pFBConfig = pFBConfig;
-    pGlxPixmap->pScreen = pScreen;
-    pGlxPixmap->idExists = True;
-    pGlxPixmap->refcnt = 0;
-
-    /*
-    ** Bump the ref count on the X pixmap so it won't disappear.
-    */
-    ((PixmapPtr) pDraw)->refcnt++;
-
-    /*
-     * send the request to the back-end server(s)
-     */
-    from_screen = to_screen = screenNum;
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-
-       pXinDraw = (PanoramiXRes *)
-	  SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-       Pixmap  be_pixmap;
-       DrawablePtr pRealDraw = pDraw;
-
-#ifdef PANORAMIX
-       if (pXinDraw) {
-	   dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0,
-			     DixAddAccess);
-       }
-#endif
-
-       be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr)pRealDraw))->pixmap;
-
-       /* make sure pixmap already created on back-end */
-       dmxSync( dmxScreen, 1 );
-
-       if ( pFBConfig && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-       	  __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
-	  
-	  LockDisplay(dpy);
-	  pGlxPixmap->be_xids[s] = XAllocID(dpy);
-	  GetReq(GLXCreatePixmap,be_new_req);
-	  be_new_req->reqType = dmxScreen->glxMajorOpcode;
-	  be_new_req->glxCode = X_GLXCreatePixmap;
-	  be_new_req->screen = DefaultScreen(dpy);
-	  be_new_req->fbconfig = be_FBConfig->id;
-	  be_new_req->pixmap = (unsigned int)be_pixmap;
-	  be_new_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
-	  be_new_req->numAttribs = 0;
-	  UnlockDisplay(dpy);
-	  SyncHandle();
-       }
-       else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
-	  __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
-	  xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req;
-	  xGLXVendorPrivateReq *vpreq;
-	  
-	  LockDisplay(dpy);
-	  pGlxPixmap->be_xids[s] = XAllocID(dpy);
-	  GetReqExtra(GLXVendorPrivate,
-		      sz_xGLXCreateGLXPixmapWithConfigSGIXReq-sz_xGLXVendorPrivateReq,
-		      vpreq);
-	  ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *)vpreq;
-	  ext_req->reqType = dmxScreen->glxMajorOpcode;
-	  ext_req->glxCode = X_GLXVendorPrivate;
-	  ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX;
-	  ext_req->screen = DefaultScreen(dpy);
-	  ext_req->fbconfig = be_FBConfig->id;
-	  ext_req->pixmap = (unsigned int)be_pixmap;
-	  ext_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
-	  UnlockDisplay(dpy);
-	  SyncHandle();
-       }
-       else if (pGlxVisual) {
-	  LockDisplay(dpy);
-	  pGlxPixmap->be_xids[s] = XAllocID(dpy);
-	  GetReq(GLXCreateGLXPixmap,be_req);
-	  be_req->reqType = dmxScreen->glxMajorOpcode;
-	  be_req->glxCode = X_GLXCreateGLXPixmap;
-	  be_req->screen = DefaultScreen(dpy);
-	  be_req->visual = (unsigned int)glxMatchGLXVisualInConfigList( 
-	 	pGlxVisual,
-		dmxScreen->glxVisuals,
-		dmxScreen->numGlxVisuals );
-   	  be_req->pixmap = (unsigned int)be_pixmap;
-      	  be_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
-	  UnlockDisplay(dpy);
-	  SyncHandle();
-       }
-       else {
-	  client->errorValue = ( visual ? visual : fbconfigId );
-          __glXFree( pGlxPixmap );
-	  return BadValue;
-       }
-
-       XFlush( dpy );
-    }
-
-    if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) {
-        __glXFree( pGlxPixmap );
-	return BadAlloc;
-    }
-
-    return Success;
-}
-
-int __glXCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
-
-    return( CreateGLXPixmap(cl, req->visual, None,
-	                    req->screen, req->pixmap, req->glxpixmap) );
-}
-
-int __glXCreatePixmap(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
-
-    return( CreateGLXPixmap(cl, None, req->fbconfig,
-	                    req->screen, req->pixmap, req->glxpixmap) );
-}
-
-int __glXDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
-    XID glxpixmap = req->glxpixmap;
-    __GLXpixmap *pGlxPixmap;
-    int s;
-    int from_screen, to_screen;
-
-    /*
-    ** Check if it's a valid GLX pixmap.
-    */
-    pGlxPixmap = (__GLXpixmap *)LookupIDByType(glxpixmap, __glXPixmapRes);
-    if (!pGlxPixmap) {
-	client->errorValue = glxpixmap;
-	return __glXBadPixmap;
-    }
-    FreeResource(glxpixmap, FALSE);
-
-    /*
-     * destroy the pixmap on the back-end server(s).
-     */
-    from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum;
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       /* make sure pixmap exist in back-end */
-       dmxSync( dmxScreen, 1 );
-
-       LockDisplay(dpy);
-       GetReq(GLXDestroyGLXPixmap,req);
-       req->reqType = dmxScreen->glxMajorOpcode;
-       req->glxCode = X_GLXDestroyGLXPixmap;
-       req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    
-    return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** NOTE: There is no portable implementation for swap buffers as of
-** this time that is of value.  Consequently, this code must be
-** implemented by somebody other than SGI.
-*/
-int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag)
-{
-    ClientPtr client = cl->client;
-    DrawablePtr pDraw;
-    xGLXSwapBuffersReq *be_req;
-    WindowPtr pWin = NULL;
-    __GLXpixmap *pGlxPixmap = NULL;
-    __GLXcontext *glxc = NULL;
-#ifdef PANORAMIX
-    PanoramiXRes *pXinDraw = NULL;
-#endif
-    __glXWindow *pGlxWindow = NULL;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s, rc;
-    
-    /*
-    ** Check that the GLX drawable is valid.
-    */
-    rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
-    if (rc == Success) {
-        from_screen = to_screen = pDraw->pScreen->myNum;
-
-	if (pDraw->type == DRAWABLE_WINDOW) {
-	    /*
-	    ** Drawable is an X window.
-	    */
-	   pWin = (WindowPtr)pDraw;
-	} else {
-	    /*
-	    ** Drawable is an X pixmap, which is not allowed.
-	    */
-	    client->errorValue = drawId;
-	    return __glXBadDrawable;
-	}
-    } 
-
-    if (!pDraw) {
-	pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
-						    __glXPixmapRes);
-	if (pGlxPixmap) {
-	    /*
-	    ** Drawable is a GLX pixmap.
-	    */
-	   pDraw = pGlxPixmap->pDraw;
-	   from_screen = to_screen = pGlxPixmap->pScreen->myNum;
-	}
-    }
-
-    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-       pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
-       if (pGlxWindow) {
-	  /*
-	   ** Drawable is a GLXWindow.
-	   */
-	  pDraw = pGlxWindow->pDraw;
-	  from_screen = to_screen = pGlxWindow->pScreen->myNum;
-       }
-    }
-
-    if (!pDraw) {
-       /*
-	** Drawable is neither a X window nor a GLX pixmap.
-	*/
-       client->errorValue = drawId;
-       return __glXBadDrawable;
-    }
-
-    if (tag) {
-	glxc = __glXLookupContextByTag(cl, tag);
-	if (!glxc) {
-	    return __glXBadContextTag;
-	}
-    }
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-       pXinDraw = (PanoramiXRes *)
-        SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
-    }
-#endif
-
-    /* If requested, send a glFinish to all back-end servers before swapping. */
-    if (dmxGLXFinishSwap) {
-	for (s=from_screen; s<=to_screen; s++) {
-	    Display *dpy = GetBackEndDisplay(cl,s);
-	    DMXScreenInfo *dmxScreen = &dmxScreens[s];
-	    xGLXSingleReq *finishReq;
-	    xGLXSingleReply reply;
-
-#define X_GLXSingle 0    /* needed by GetReq below */
-
-	    LockDisplay(dpy);
-	    GetReq(GLXSingle,finishReq);
-	    finishReq->reqType = dmxScreen->glxMajorOpcode;
-	    finishReq->glxCode = X_GLsop_Finish;
-	    finishReq->contextTag = (tag ? GetCurrentBackEndTag(cl,tag,s) : 0);
-	    (void) _XReply(dpy, (xReply*) &reply, 0, False);
-	    UnlockDisplay(dpy);
-	    SyncHandle();
-	}
-    }
-
-    /* If requested, send an XSync to all back-end servers before swapping. */
-    if (dmxGLXSyncSwap) {
-	for (s=from_screen; s<=to_screen; s++)
-	    XSync(GetBackEndDisplay(cl,s), False);
-    }
-
-
-    /* send the SwapBuffers request to all back-end servers */
-
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-       unsigned int be_draw = 0;
-
-       if (pGlxPixmap) {
-	  be_draw = (unsigned int)pGlxPixmap->be_xids[s];
-       }
-#ifdef PANORAMIX
-       else if (pXinDraw) {
-	  dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
-       }
-#endif
-       else if (pGlxWindow) {
-	  pWin = (WindowPtr)pGlxWindow->pDraw;
-       }
-
-       if (pWin && !be_draw) {
-	   be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   if (!be_draw) {
-	      /* it might be that the window did not created yet on the */
-	      /* back-end server (lazy window creation option), force   */
-	      /* creation of the window */
-	      dmxCreateAndRealizeWindow( pWin, TRUE );
-	      be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   }
-       }
-
-       dmxSync( dmxScreen, 1 );
-
-       LockDisplay(dpy);
-       GetReq(GLXSwapBuffers,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXSwapBuffers;
-       be_req->drawable = be_draw;
-       be_req->contextTag = ( tag ? GetCurrentBackEndTag(cl,tag,s) : 0 );
-       UnlockDisplay(dpy);
-       SyncHandle();
-       XFlush(dpy);
-    }
-
-    return Success;
-}
-
-int __glXSwapBuffers(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    DrawablePtr pDraw;
-    xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
-    GLXContextTag tag = req->contextTag;
-    XID drawId = req->drawable;
-    __GLXpixmap *pGlxPixmap = NULL;
-    __GLXcontext *glxc = NULL;
-    __glXWindow *pGlxWindow = NULL;
-    int rc;
-    
-    /*
-    ** Check that the GLX drawable is valid.
-    */
-    rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
-    if (rc == Success) {
-	if (pDraw->type != DRAWABLE_WINDOW) {
-	    /*
-	    ** Drawable is an X pixmap, which is not allowed.
-	    */
-	    client->errorValue = drawId;
-	    return __glXBadDrawable;
-	}
-    } 
-
-    if (!pDraw) {
-	pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
-						    __glXPixmapRes);
-	if (pGlxPixmap) {
-	    /*
-	    ** Drawable is a GLX pixmap.
-	    */
-	   pDraw = pGlxPixmap->pDraw;
-	}
-    }
-
-    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
-       pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
-       if (pGlxWindow) {
-	  /*
-	   ** Drawable is a GLXWindow.
-	   */
-	  pDraw = pGlxWindow->pDraw;
-       }
-    }
-
-    if (!pDraw) {
-       /*
-	** Drawable is neither a X window nor a GLX pixmap.
-	*/
-       client->errorValue = drawId;
-       return __glXBadDrawable;
-    }
-
-    if (tag) {
-	glxc = __glXLookupContextByTag(cl, tag);
-	if (!glxc) {
-	    return __glXBadContextTag;
-	}
-    }
-
-    if (pDraw &&
-	pDraw->type == DRAWABLE_WINDOW &&
-	DMX_GET_WINDOW_PRIV((WindowPtr)pDraw)->swapGroup) {
-	return SGSwapBuffers(cl, drawId, tag, pDraw);
-    }
-
-    return __glXDoSwapBuffers(cl, drawId, tag);
-}
-
-
-/************************************************************************/
-
-/*
-** Render and Renderlarge are not in the GLX API.  They are used by the GLX
-** client library to send batches of GL rendering commands.
-*/
-
-/*
-** Execute all the drawing commands in a request.
-*/
-int __glXRender(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXRenderReq *req;
-    xGLXRenderReq *be_req;
-    int size;
-    __GLXcontext *glxc;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-
-    /*
-    ** NOTE: much of this code also appears in the byteswapping version of this
-    ** routine, __glXSwapRender().  Any changes made here should also be
-    ** duplicated there.
-    */
-    
-    req = (xGLXRenderReq *) pc;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXRenderReq;
-    size = (req->length << 2) - sz_xGLXRenderReq;
-
-    /*
-     * just forward the request to back-end server(s)
-     */
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReq(GLXRender,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXRender;
-       be_req->length = req->length;
-       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-       _XSend(dpy, (const char *)pc, size);
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    return Success;
-}
-
-/*
-** Execute a large rendering request (one that spans multiple X requests).
-*/
-int __glXRenderLarge(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXRenderLargeReq *req;
-    xGLXRenderLargeReq *be_req;
-    __GLXcontext *glxc;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-
-    /*
-    ** NOTE: much of this code also appears in the byteswapping version of this
-    ** routine, __glXSwapRenderLarge().  Any changes made here should also be
-    ** duplicated there.
-    */
-    
-    req = (xGLXRenderLargeReq *) pc;
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXRenderLargeReq;
-
-    /*
-     * just forward the request to back-end server(s)
-     */
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       GetReq(GLXRenderLarge,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXRenderLarge;
-       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-       be_req->length = req->length;
-       be_req->requestNumber = req->requestNumber;
-       be_req->requestTotal = req->requestTotal;
-       be_req->dataBytes = req->dataBytes;
-       Data(dpy, (const char *)pc, req->dataBytes);
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-    }
-
-    return Success;
-}
-
-
-/************************************************************************/
-
-int __glXVendorPrivate(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXVendorPrivateReq *req;
-
-    req = (xGLXVendorPrivateReq *) pc;
-
-    switch( req->vendorCode ) {
-
-       case X_GLvop_DeleteTexturesEXT:
-	  return __glXVForwardSingleReq( cl, pc );
-	  break;
-
-       case X_GLXvop_SwapIntervalSGI:
-	  if (glxIsExtensionSupported("SGI_swap_control")) {
-	     return __glXVForwardSingleReq( cl, pc );
-	  }
-	  else {
-	     return Success;
-	  }
-	  break;
-
-#if 0 /* glx 1.3 */
-       case X_GLXvop_CreateGLXVideoSourceSGIX:
-	  break;
-       case X_GLXvop_DestroyGLXVideoSourceSGIX:
-	  break;
-       case X_GLXvop_CreateGLXPixmapWithConfigSGIX:
-	  break;
-       case X_GLXvop_DestroyGLXPbufferSGIX:
-	  break;
-       case X_GLXvop_ChangeDrawableAttributesSGIX:
-	  break;
-#endif
-
-       case X_GLXvop_BindSwapBarrierSGIX:
-	  return __glXBindSwapBarrierSGIX( cl, pc );
-	  break;
-
-       case X_GLXvop_JoinSwapGroupSGIX:
-	  return __glXJoinSwapGroupSGIX( cl, pc );
-	  break;
-
-       case X_GLXvop_CreateContextWithConfigSGIX:
-	  return __glXCreateContextWithConfigSGIX( cl, pc );
-	  break;
-
-       default:
-	  /*
-	   ** unsupported private request
-	   */
-	  cl->client->errorValue = req->vendorCode;
-	  return __glXUnsupportedPrivateRequest;
-    }
-
-    cl->client->errorValue = req->vendorCode;
-    return __glXUnsupportedPrivateRequest;
-
-}
-
-int __glXVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXVendorPrivateWithReplyReq *req;
-
-    req = (xGLXVendorPrivateWithReplyReq *) pc;
-
-    switch( req->vendorCode ) {
-
-       case X_GLvop_GetConvolutionFilterEXT:
-       case X_GLvop_GetConvolutionParameterfvEXT:
-       case X_GLvop_GetConvolutionParameterivEXT:
-       case X_GLvop_GetSeparableFilterEXT:
-       case X_GLvop_GetHistogramEXT:
-       case X_GLvop_GetHistogramParameterivEXT:
-       case X_GLvop_GetMinmaxEXT:
-       case X_GLvop_GetMinmaxParameterfvEXT:
-       case X_GLvop_GetMinmaxParameterivEXT:
-       case X_GLvop_AreTexturesResidentEXT:
-       case X_GLvop_IsTextureEXT:
-	  return( __glXVForwardPipe0WithReply(cl, pc) );
-	  break;
-
-       case X_GLvop_GenTexturesEXT:
-	  return( __glXVForwardAllWithReply(cl, pc) );
-	  break;
-
-
-#if 0 /* glx1.3 */
-       case X_GLvop_GetDetailTexFuncSGIS:
-       case X_GLvop_GetSharpenTexFuncSGIS:
-       case X_GLvop_GetColorTableSGI:
-       case X_GLvop_GetColorTableParameterfvSGI:
-       case X_GLvop_GetColorTableParameterivSGI:
-       case X_GLvop_GetTexFilterFuncSGIS:
-       case X_GLvop_GetInstrumentsSGIX:
-       case X_GLvop_InstrumentsBufferSGIX:
-       case X_GLvop_PollInstrumentsSGIX:
-       case X_GLvop_FlushRasterSGIX:
-       case X_GLXvop_CreateGLXPbufferSGIX:
-       case X_GLXvop_GetDrawableAttributesSGIX:
-       case X_GLXvop_QueryHyperpipeNetworkSGIX:
-       case X_GLXvop_QueryHyperpipeConfigSGIX:
-       case X_GLXvop_HyperpipeConfigSGIX:
-       case X_GLXvop_DestroyHyperpipeConfigSGIX:
-#endif
-       case X_GLXvop_QueryMaxSwapBarriersSGIX:
-	  return( __glXQueryMaxSwapBarriersSGIX(cl, pc) );
-	  break;
-
-       case X_GLXvop_GetFBConfigsSGIX:
-	  return( __glXGetFBConfigsSGIX(cl, pc) );
-	  break;
-
-       case X_GLXvop_MakeCurrentReadSGI:
-	  return( __glXMakeCurrentReadSGI(cl, pc) );
-	  break;
-
-       case X_GLXvop_QueryContextInfoEXT:
-	  return( __glXQueryContextInfoEXT(cl,pc) );
-	  break;
-
-       default:
-	  /*
-	   ** unsupported private request
-	   */
-	  cl->client->errorValue = req->vendorCode;
-	  return __glXUnsupportedPrivateRequest;
-    }
-
-}
-
-int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
-    xGLXQueryExtensionsStringReply reply;
-    GLint screen;
-    size_t length;
-    int len, numbytes;
-    char *be_buf;
-
-#ifdef FWD_QUERY_REQ
-    xGLXQueryExtensionsStringReq *be_req;
-    xGLXQueryExtensionsStringReply be_reply;
-    DMXScreenInfo *dmxScreen;
-    Display *dpy;
-    int slop;
-#endif
-
-    screen = req->screen;
-
-    /*
-    ** Check if screen exists.
-    */
-    if ((screen < 0) || (screen >= screenInfo.numScreens)) {
-	client->errorValue = screen;
-	return BadValue;
-    }
-
-#ifdef FWD_QUERY_REQ
-    dmxScreen = &dmxScreens[screen];
-
-    /* Send the glXQueryServerString request */
-    dpy = GetBackEndDisplay(cl,screen);
-    LockDisplay(dpy);
-    GetReq(GLXQueryExtensionsString,be_req);
-    be_req->reqType = dmxScreen->glxMajorOpcode;
-    be_req->glxCode = X_GLXQueryServerString;
-    be_req->screen = DefaultScreen(dpy);
-    _XReply(dpy, (xReply*) &be_reply, 0, False);
-    len = (int)be_reply.length;
-    numbytes = (int)be_reply.n;
-    slop = numbytes * __GLX_SIZE_INT8 & 3;
-    be_buf = (char *)Xalloc(numbytes);
-    if (!be_buf) {
-        /* Throw data on the floor */
-        _XEatData(dpy, len);
-    } else {
-        _XRead(dpy, (char *)be_buf, numbytes);
-        if (slop) _XEatData(dpy,4-slop);
-    }
-    UnlockDisplay(dpy);
-    SyncHandle();
-
-#else
-
-    be_buf = __glXGetServerString(GLX_EXTENSIONS);
-    numbytes = strlen(be_buf) + 1;
-    len = __GLX_PAD(numbytes) >> 2;
-
-#endif
-
-    length = len;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = len;
-    reply.n = numbytes;
-
-    if (client->swapped) {
-        glxSwapQueryExtensionsStringReply(client, &reply, be_buf);
-    } else {
-        WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
-        WriteToClient(client, (int)(length << 2), (char *)be_buf);
-    }
-
-    return Success;
-}
-
-int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
-    xGLXQueryServerStringReply reply;
-    int name;
-    GLint screen;
-    size_t length;
-    int len, numbytes;
-    char *be_buf;
-#ifdef FWD_QUERY_REQ
-    xGLXQueryServerStringReq *be_req;
-    xGLXQueryServerStringReply be_reply;
-    DMXScreenInfo *dmxScreen;
-    Display *dpy;
-    int  slop;
-#endif
-
-    name = req->name;
-    screen = req->screen;
-    /*
-    ** Check if screen exists.
-    */
-    if ((screen < 0) || (screen >= screenInfo.numScreens)) {
-	client->errorValue = screen;
-	return BadValue;
-    }
-
-#ifdef FWD_QUERY_REQ
-    dmxScreen = &dmxScreens[screen];
-
-    /* Send the glXQueryServerString request */
-    dpy = GetBackEndDisplay(cl,screen);
-    LockDisplay(dpy);
-    GetReq(GLXQueryServerString,be_req);
-    be_req->reqType = dmxScreen->glxMajorOpcode;
-    be_req->glxCode = X_GLXQueryServerString;
-    be_req->screen = DefaultScreen(dpy);
-    be_req->name = name;
-    _XReply(dpy, (xReply*) &be_reply, 0, False);
-    len = (int)be_reply.length;
-    numbytes = (int)be_reply.n;
-    slop = numbytes * __GLX_SIZE_INT8 & 3;
-    be_buf = (char *)Xalloc(numbytes);
-    if (!be_buf) {
-        /* Throw data on the floor */
-        _XEatData(dpy, len);
-    } else {
-        _XRead(dpy, (char *)be_buf, numbytes);
-        if (slop) _XEatData(dpy,4-slop);
-    }
-    UnlockDisplay(dpy);
-    SyncHandle();
-
-#else
-    be_buf = __glXGetServerString(name);
-    numbytes = strlen(be_buf) + 1;
-    len = __GLX_PAD(numbytes) >> 2;
-#endif
-
-    length = len;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = length;
-    reply.n = numbytes;
-
-    if (client->swapped) {
-        glxSwapQueryServerStringReply(client, &reply, be_buf);
-    } else {
-        WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
-        WriteToClient(client, (int)(length << 2), be_buf);
-    }
-
-    return Success;
-}
-
-int __glXClientInfo(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
-    xGLXClientInfoReq *be_req;
-    const char *buf;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-   
-    cl->GLClientmajorVersion = req->major;
-    cl->GLClientminorVersion = req->minor;
-    if (cl->GLClientextensions) __glXFree(cl->GLClientextensions);
-    buf = (const char *)(req+1);
-    cl->GLClientextensions = strdup(buf);
-
-    to_screen = screenInfo.numScreens - 1;
-
-    for (s=from_screen; s<=to_screen; s++)
-    {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReq(GLXClientInfo,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXClientInfo;
-       be_req->major = req->major;
-       be_req->minor = req->minor;
-       be_req->length = req->length;
-       be_req->numbytes = req->numbytes;
-       Data(dpy, buf, req->numbytes);
-
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    return Success;
-}
-
-int __glXUseXFont(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXUseXFontReq *req;
-    xGLXUseXFontReq *be_req;
-    FontPtr pFont;
-    __GLXcontext *glxc = NULL;
-    int from_screen = 0;
-    int to_screen = 0;
-    int s;
-    dmxFontPrivPtr  pFontPriv;
-    DMXScreenInfo *dmxScreen;
-    Display *dpy;
-
-    req = (xGLXUseXFontReq *) pc;
-
-    if (req->contextTag != 0) {
-	glxc = __glXLookupContextByTag(cl, req->contextTag);
-	if (glxc) {
-	   from_screen = to_screen = glxc->pScreen->myNum;
-	}
-    }
-
-    /*
-    ** Font can actually be either the ID of a font or the ID of a GC
-    ** containing a font.
-    */
-    pFont = (FontPtr)LookupIDByType(req->font, RT_FONT);
-    if (!pFont) {
-        GC *pGC = (GC *)LookupIDByType(req->font, RT_GC);
-        if (!pGC) {
-	    client->errorValue = req->font;
-            return BadFont;
-	}
-	pFont = pGC->font;
-    }
-
-    pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex);
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-
-    for (s=from_screen; s<=to_screen; s++) {
-       dmxScreen = &dmxScreens[s];
-       dpy = GetBackEndDisplay(cl,s);
-
-       dmxSync( dmxScreen, 1 );
-
-       LockDisplay(dpy);
-       GetReq(GLXUseXFont,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXUseXFont;
-       be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
-       be_req->font = pFontPriv->font[s]->fid;
-       be_req->first = req->first;
-       be_req->count = req->count;
-       be_req->listBase = req->listBase;
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       XSync( dpy, False );
-    }
-
-    return Success;
-}
-
-/*
- * start GLX 1.3 here
- */
-
-int __glXGetFBConfigs(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
-    xGLXGetFBConfigsReply reply;
-    __GLXFBConfig *pFBConfig;
-    CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS];
-    int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS;
-    unsigned int screen = req->screen;
-    int numFBConfigs, i, p;
-    __GLXscreenInfo *pGlxScreen;
-
-    if (screen > screenInfo.numScreens) {
-	/* The client library must send a valid screen number. */
-	client->errorValue = screen;
-	return BadValue;
-    }
-
-    pGlxScreen = &__glXActiveScreens[screen];
-    numFBConfigs = __glXNumFBConfigs;
-
-    reply.numFBConfigs = numFBConfigs;
-    reply.numAttribs = numAttribs;
-    reply.length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-
-    if (client->swapped) {
-	__GLX_DECLARE_SWAP_VARIABLES;
-	__GLX_SWAP_SHORT(&reply.sequenceNumber);
-	__GLX_SWAP_INT(&reply.length);
-	__GLX_SWAP_INT(&reply.numFBConfigs);
-	__GLX_SWAP_INT(&reply.numAttribs);
-    }
-    WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
-
-    for (i=0; i < numFBConfigs; i++) {
-       int associatedVisualId = 0;
-       int drawableTypeIndex;
-       pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1) ];
-
-	p = 0;
-	/* core attributes */
-	buf[p++] = GLX_FBCONFIG_ID;
-	buf[p++] = pFBConfig->id;
-	buf[p++] = GLX_BUFFER_SIZE;
-	buf[p++] = pFBConfig->indexBits;
-	buf[p++] = GLX_LEVEL;
-	buf[p++] = pFBConfig->level;
-	buf[p++] = GLX_DOUBLEBUFFER;
-	buf[p++] = pFBConfig->doubleBufferMode;
-	buf[p++] = GLX_STEREO;
-	buf[p++] = pFBConfig->stereoMode;
-	buf[p++] = GLX_AUX_BUFFERS;
-	buf[p++] = pFBConfig->maxAuxBuffers;
-	buf[p++] = GLX_RED_SIZE;
-	buf[p++] = pFBConfig->redBits;
-	buf[p++] = GLX_GREEN_SIZE;
-	buf[p++] = pFBConfig->greenBits;
-	buf[p++] = GLX_BLUE_SIZE;
-	buf[p++] = pFBConfig->blueBits;
-	buf[p++] = GLX_ALPHA_SIZE;
-	buf[p++] = pFBConfig->alphaBits;
-	buf[p++] = GLX_DEPTH_SIZE;
-	buf[p++] = pFBConfig->depthBits;
-	buf[p++] = GLX_STENCIL_SIZE;
-	buf[p++] = pFBConfig->stencilBits;
-	buf[p++] = GLX_ACCUM_RED_SIZE;
-	buf[p++] = pFBConfig->accumRedBits;
-	buf[p++] = GLX_ACCUM_GREEN_SIZE;
-	buf[p++] = pFBConfig->accumGreenBits;
-	buf[p++] = GLX_ACCUM_BLUE_SIZE;
-	buf[p++] = pFBConfig->accumBlueBits;
-	buf[p++] = GLX_ACCUM_ALPHA_SIZE;
-	buf[p++] = pFBConfig->accumAlphaBits;
-	buf[p++] = GLX_RENDER_TYPE;
-	buf[p++] = pFBConfig->renderType;
-	buf[p++] = GLX_DRAWABLE_TYPE;
-	drawableTypeIndex = p;
-	buf[p++] = pFBConfig->drawableType;
-	buf[p++] = GLX_X_VISUAL_TYPE;
-	buf[p++] = pFBConfig->visualType;
-	buf[p++] = GLX_CONFIG_CAVEAT;
-	buf[p++] = pFBConfig->visualCaveat;
-	buf[p++] = GLX_TRANSPARENT_TYPE;
-	buf[p++] = pFBConfig->transparentType;
-	buf[p++] = GLX_TRANSPARENT_RED_VALUE;
-	buf[p++] = pFBConfig->transparentRed;
-	buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
-	buf[p++] = pFBConfig->transparentGreen;
-	buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
-	buf[p++] = pFBConfig->transparentBlue;
-	buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
-	buf[p++] = pFBConfig->transparentAlpha;
-	buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
-	buf[p++] = pFBConfig->transparentIndex;
-	buf[p++] = GLX_MAX_PBUFFER_WIDTH;
-	buf[p++] = pFBConfig->maxPbufferWidth;
-	buf[p++] = GLX_MAX_PBUFFER_HEIGHT;
-	buf[p++] = pFBConfig->maxPbufferHeight;
-	buf[p++] = GLX_MAX_PBUFFER_PIXELS;
-	buf[p++] = pFBConfig->maxPbufferPixels;
-
-	/*
-         * find the visual of the back-end server and match a visual
-	 * on the proxy.
-	 * do only once - if a visual is not yet associated.
-	 */
-	if (pFBConfig->associatedVisualId == (unsigned int)-1) {
-	   DMXScreenInfo *dmxScreen = &dmxScreens[screen];
-	   __GLXFBConfig *be_pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1)+screen+1 ];
-	   __GLXvisualConfig *pGlxVisual = NULL;
-	   int v;
-	   int found = 0;
-	   for (v=0; v<dmxScreen->numGlxVisuals; v++) {
-	      if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) {
-		 pGlxVisual = &dmxScreen->glxVisuals[v];
-		 break;
-	      }
-	   }
-
-	   if (pGlxVisual) {
-	      for (v=0; v<pGlxScreen->numVisuals; v++) {
-		 if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) {
-		    associatedVisualId = pGlxScreen->pGlxVisual[v].vid;
-		    found = 1;
-		    break;
-		 }
-	      }
-	   }
-
-	   if (!found) {
-	      associatedVisualId = 0;
-	      pFBConfig->drawableType &= ~(GLX_WINDOW_BIT);
-	      buf[drawableTypeIndex] = pFBConfig->drawableType;
-	   }
-#ifdef PANORAMIX
-	   else if (!noPanoramiXExtension) {
-	      /* convert the associated visualId to the panoramix one */
-	      pFBConfig->associatedVisualId =
-		  PanoramiXTranslateVisualID(screen, v);
-	   }
-#endif
-	}
-	else {
-	   associatedVisualId = pFBConfig->associatedVisualId;
-	}
-
-	buf[p++] = GLX_VISUAL_ID;
-	buf[p++] = associatedVisualId;
-
-	/* SGIS_multisample attributes */
-	buf[p++] = GLX_SAMPLES_SGIS;
-	buf[p++] = pFBConfig->multiSampleSize;
-	buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
-	buf[p++] = pFBConfig->nMultiSampleBuffers;
-
-	/* SGIX_pbuffer specific attributes */
-	buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX;
-	buf[p++] = pFBConfig->optimalPbufferWidth;
-	buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX;
-	buf[p++] = pFBConfig->optimalPbufferHeight;
-
-	buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
-	buf[p++] = pFBConfig->visualSelectGroup;
-
-	if (client->swapped) {
-	    __GLX_DECLARE_SWAP_VARIABLES;
-	    __GLX_SWAP_INT_ARRAY((int *)buf, 2*numAttribs);
-	}
-	WriteToClient(client, 2*numAttribs * __GLX_SIZE_CARD32, (char *)buf);
-    }
-    return Success;
-}
-
-int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
-{
-   xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)pc;
-   xGLXGetFBConfigsReq new_req;
-
-   new_req.reqType = req->reqType;
-   new_req.glxCode = req->glxCode;
-   new_req.length = req->length;
-   new_req.screen = req->screen;
-
-   return( __glXGetFBConfigs( cl, (GLbyte *)&new_req ) );
-}
-
-
-int __glXCreateWindow(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
-    int screen = req->screen;
-    GLXFBConfigID fbconfigId = req->fbconfig;
-    XID windowId = req->window;
-    XID glxwindowId = req->glxwindow;
-    DrawablePtr pDraw;
-    ScreenPtr pScreen;
-    __glXWindow *pGlxWindow;
-    __GLXFBConfig *pGlxFBConfig = NULL;
-    VisualPtr pVisual;
-    VisualID visId;
-    int i, rc;
-
-    /*
-    ** Check if windowId is valid 
-    */
-    rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW,
-			   DixAddAccess);
-    if (rc != Success)
-	return rc;
-
-    /*
-    ** Check if screen of window matches screen of fbconfig.
-    */
-    pScreen = pDraw->pScreen;
-    if (screen != pScreen->myNum) {
-	return BadMatch;
-    }
-
-    /*
-    ** Find the FBConfigRec for this fbconfigid.
-    */
-    if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
-	client->errorValue = fbconfigId;
-	return __glXBadFBConfig;
-    }
-    visId = pGlxFBConfig->associatedVisualId;
-
-    /*
-    ** Check if the fbconfig supports rendering to windows 
-    */
-    if( !(pGlxFBConfig->drawableType & GLX_WINDOW_BIT) ) {
-	return BadMatch;	
-    }
-
-    if (visId != None) {
-       /*
-	** Check if the visual ID is valid for this screen.
-	*/
-       pVisual = pScreen->visuals;
-       for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
-	  if (pVisual->vid == visId) {
-	     break;
-	  }
-       }
-       if (i == pScreen->numVisuals) {
-	  client->errorValue = visId;
-	  return BadValue;
-       }
-	
-        /*
-        ** Check if color buffer depth of fbconfig matches depth 
-	** of window.
-        */
-        if (pVisual->nplanes != pDraw->depth) {
-	    return BadMatch;
-	}
-    } else
-	/*
-	** The window was created with no visual that corresponds
-	** to fbconfig 
-	*/
-	return BadMatch;
-
-    /*
-    ** Check if there is already a fbconfig associated with this window
-    */
-    if ( LookupIDByType(glxwindowId, __glXWindowRes) ) {
-	client->errorValue = glxwindowId;
-	return BadAlloc;
-    }
-
-    pGlxWindow = (__glXWindow *) xalloc(sizeof(__glXWindow));
-    if (!pGlxWindow) {
-	return BadAlloc;
-    }
-
-    /*
-    ** Register this GLX window as a resource
-    */
-    if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) {
-	return BadAlloc;
-    }
-
-    pGlxWindow->pDraw = pDraw;
-    pGlxWindow->type = GLX_GLXWINDOW_TYPE;
-    pGlxWindow->idExists = True;
-    pGlxWindow->refcnt = 0;
-    pGlxWindow->pGlxFBConfig = pGlxFBConfig;
-    pGlxWindow->pScreen = pScreen;
-
-    return Success;
-}
-
-int __glXDestroyWindow(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
-    XID glxwindow = req->glxwindow;
-
-    /*
-    ** Check if it's a valid GLX window.
-    */
-    if (!LookupIDByType(glxwindow, __glXWindowRes)) {
-	client->errorValue = glxwindow;
-	return __glXBadDrawable;
-    }
-    /*
-    ** The glx window destructor will check whether it's current before
-    ** freeing anything.
-    */
-    FreeResource(glxwindow, RT_NONE);	
-
-    return Success;
-}
-
-int __glXQueryContext(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    __GLXcontext *ctx;
-    xGLXQueryContextReq *req;
-    xGLXQueryContextReply reply;
-    int nProps;
-    int *sendBuf, *pSendBuf;
-    int nReplyBytes;
-
-    req = (xGLXQueryContextReq *)pc;
-    ctx = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes);
-    if (!ctx) {
-        client->errorValue = req->context;
-        return __glXBadContext;
-    }
-
-    nProps = 3;
-
-    reply.length = nProps << 1;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.n = nProps;
-
-    nReplyBytes = reply.length << 2;
-    sendBuf = (int *)xalloc(nReplyBytes);
-    pSendBuf = sendBuf;
-    *pSendBuf++ = GLX_FBCONFIG_ID;
-    *pSendBuf++ = (int)(ctx->pFBConfig->id);
-    *pSendBuf++ = GLX_RENDER_TYPE;
-    *pSendBuf++ = (int)(ctx->pFBConfig->renderType);
-    *pSendBuf++ = GLX_SCREEN;
-    *pSendBuf++ = (int)(ctx->pScreen->myNum);
-
-    if (client->swapped) {
-        __glXSwapQueryContextReply(client, &reply, sendBuf);
-    } else {
-        WriteToClient(client, sz_xGLXQueryContextReply, (char *)&reply);
-        WriteToClient(client, nReplyBytes, (char *)sendBuf);
-    }
-    xfree((char *)sendBuf);
-
-    return Success;
-}
-
-int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    __GLXcontext *ctx;
-    xGLXQueryContextInfoEXTReq *req;
-    xGLXQueryContextInfoEXTReply reply;
-    int nProps;
-    int *sendBuf, *pSendBuf;
-    int nReplyBytes;
-
-    req = (xGLXQueryContextInfoEXTReq *)pc;
-    ctx = (__GLXcontext *) SecurityLookupIDByType(client, req->context, __glXContextRes, DixReadAccess);
-    if (!ctx) {
-        client->errorValue = req->context;
-        return __glXBadContext;
-    }
-
-    nProps = 4;
-
-    reply.length = nProps << 1;
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.n = nProps;
-
-    nReplyBytes = reply.length << 2;
-    sendBuf = (int *)xalloc(nReplyBytes);
-    pSendBuf = sendBuf;
-    *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
-    *pSendBuf++ = (int)(ctx->share_id);
-    *pSendBuf++ = GLX_VISUAL_ID_EXT;
-    *pSendBuf++ = (int)(ctx->pVisual ? ctx->pVisual->vid : 0);
-    *pSendBuf++ = GLX_SCREEN_EXT;
-    *pSendBuf++ = (int)(ctx->pScreen->myNum);
-    *pSendBuf++ = GLX_FBCONFIG_ID;
-    *pSendBuf++ = (int)(ctx->pFBConfig ? ctx->pFBConfig->id : 0);
-
-    if (client->swapped) {
-        __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
-    } else {
-        WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
-        WriteToClient(client, nReplyBytes, (char *)sendBuf);
-    }
-    xfree((char *)sendBuf);
-
-    return Success;
-}
-
-int __glXCreatePbuffer(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *)pc;
-    xGLXCreatePbufferReq *be_req;
-    int screen = req->screen;
-    GLXFBConfigID fbconfigId = req->fbconfig;
-    GLXPbuffer pbuffer = req->pbuffer;
-    __glXPbuffer *pGlxPbuffer;
-    int numAttribs = req->numAttribs;
-    int *attr;
-    ScreenPtr pScreen;
-    __GLXFBConfig *pGlxFBConfig;
-    __GLXFBConfig *be_pGlxFBConfig;
-    XID be_xid;
-    Display *dpy;
-    DMXScreenInfo *dmxScreen;
-    int s;
-    int from_screen, to_screen;
-
-   /*
-    ** Look up screen and FBConfig.
-    */
-    if (screen > screenInfo.numScreens) {
-        /* The client library must send a valid screen number. */
-        client->errorValue = screen;
-        return BadValue;
-    }
-    pScreen = screenInfo.screens[screen];
-
-    /*
-    ** Find the FBConfigRec for this fbconfigid.
-    */
-    if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
-	client->errorValue = fbconfigId;
-	return __glXBadFBConfig;
-    }
-
-    /*
-    ** Create the GLX part of the Pbuffer.
-    */
-    pGlxPbuffer = (__glXPbuffer *) xalloc(sizeof(__glXPbuffer));
-    if (!pGlxPbuffer) {
-        return BadAlloc;
-    }
-
-    pGlxPbuffer->be_xids = (XID *) xalloc( sizeof(XID) * screenInfo.numScreens );
-    if (!pGlxPbuffer->be_xids) {
-        xfree(pGlxPbuffer);
-        return BadAlloc;
-    }
-
-    /*
-     * Allocate an XID on the back-end server(s) and send him the request
-     */
-    from_screen = to_screen = screen;
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-       dpy = GetBackEndDisplay(cl,s);
-       be_xid = XAllocID(dpy);
-       dmxScreen = &dmxScreens[s];
-       be_pGlxFBConfig = glxLookupBackEndFBConfig( pGlxFBConfig->id, s );
-       
-       attr = (int *)( req+1 );
-
-       LockDisplay(dpy);
-       GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXCreatePbuffer;
-       be_req->screen = be_pGlxFBConfig->screen;
-       be_req->fbconfig = be_pGlxFBConfig->id;
-       be_req->pbuffer = be_xid;
-       be_req->numAttribs = numAttribs;
-    
-       /* Send attributes */
-       if ( attr != NULL ) {
-	  CARD32 *pc = (CARD32 *)(be_req + 1);
-
-	  while (numAttribs-- > 0) {
-	     *pc++ = *attr++;     /* token */
-	     *pc++ = *attr++;     /* value */
-	  }
-       }
-
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       pGlxPbuffer->be_xids[s] = be_xid;
-    }
-
-
-    pGlxPbuffer->idExists = True;
-    pGlxPbuffer->refcnt = 0;
-    pGlxPbuffer->pFBConfig = pGlxFBConfig;
-    pGlxPbuffer->pScreen = pScreen;
-
-    /*
-    ** Register the resource.
-    */
-    if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) {
-        return BadAlloc;
-    }
-
-    return Success;
-
-}
-
-int __glXDestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
-{
-    ClientPtr client = cl->client;
-    xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
-    xGLXDestroyPbufferReq *be_req;
-    GLXPbuffer pbuffer = req->pbuffer;
-    Display *dpy;
-    int screen;
-    DMXScreenInfo *dmxScreen;
-    __glXPbuffer *pGlxPbuffer;
-    int s;
-    int from_screen, to_screen;
-
-    /*
-    ** Check if it's a valid Pbuffer
-    */
-    pGlxPbuffer = (__glXPbuffer *)LookupIDByType(pbuffer, __glXPbufferRes);
-    if (!pGlxPbuffer) {
-	client->errorValue = pbuffer;
-	return __glXBadPbuffer;
-    }
-
-    screen = pGlxPbuffer->pScreen->myNum;
-
-    from_screen = to_screen = screen;
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    for (s=from_screen; s<=to_screen; s++) {
-       dpy = GetBackEndDisplay(cl,s);
-       dmxScreen = &dmxScreens[s];
-
-       /* send the destroy request to the back-end server */
-       LockDisplay(dpy);
-       GetReq(GLXDestroyPbuffer, be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = X_GLXDestroyPbuffer;
-       be_req->pbuffer = pGlxPbuffer->be_xids[s];
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    FreeResource(pbuffer, RT_NONE);	
-
-    return Success;
-}
-
-int __glXGetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
-   xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
-   xGLXGetDrawableAttributesReq *be_req;
-   xGLXGetDrawableAttributesReply reply;
-   ClientPtr client = cl->client;
-   GLXDrawable drawId = req->drawable;
-   GLXDrawable be_drawable = 0;
-   DrawablePtr pDraw = NULL;
-   Display *dpy;
-   int screen, rc;
-   DMXScreenInfo *dmxScreen;
-   CARD32 *attribs = NULL;
-   int attribs_size;
-#ifdef PANORAMIX
-    PanoramiXRes *pXinDraw = NULL;
-#endif
-
-   if (drawId != None) {
-      rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
-      if (rc == Success) {
-	 if (pDraw->type == DRAWABLE_WINDOW) {
-		WindowPtr pWin = (WindowPtr)pDraw;
-		be_drawable = 0;
-		screen = pWin->drawable.pScreen->myNum;
-
-	 }
-	 else {
-	    /*
-	     ** Drawable is not a Window , GLXWindow or a GLXPixmap.
-	     */
-	    client->errorValue = drawId;
-	    return __glXBadDrawable;
-	 }
-      }
-
-      if (!pDraw) {
-	 __GLXpixmap *pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
-							__glXPixmapRes);
-	 if (pGlxPixmap) {
-		pDraw = pGlxPixmap->pDraw;
-		screen = pGlxPixmap->pScreen->myNum;
-                be_drawable = pGlxPixmap->be_xids[screen];
-	 }
-      }
-
-      if (!pDraw) {
-	 __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
-	 if (pGlxWindow) {
-	    pDraw = pGlxWindow->pDraw;
-	    screen = pGlxWindow->pScreen->myNum;
-	    be_drawable = 0;
-     	 }
-      }
-
-      if (!pDraw) {
-	 __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);
-	 if (pGlxPbuffer) {
-    	    pDraw = (DrawablePtr)pGlxPbuffer;
-	    screen = pGlxPbuffer->pScreen->myNum;
-	    be_drawable = pGlxPbuffer->be_xids[screen];
-	 }
-      }
-
-
-      if (!pDraw) {
-	 /*
-	  ** Drawable is not a Window , GLXWindow or a GLXPixmap.
-	  */
-	 client->errorValue = drawId;
-	 return __glXBadDrawable;
-      }
-    }
-
-
-   /* if the drawable is a window or GLXWindow - 
-    * we need to find the base id on the back-end server
-    */
-   if (!be_drawable) {
-       WindowPtr pWin = (WindowPtr)pDraw;
-
-#ifdef PANORAMIX
-       if (!noPanoramiXExtension) {
-	  pXinDraw = (PanoramiXRes *)
-	     SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
-	  if (!pXinDraw) {
-	     client->errorValue = drawId;
-	     return __glXBadDrawable;
-	  }
-
-	  dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
-			  DixReadAccess);
-       }
-#endif
-
-       if (pWin) {
-	   be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   if (!be_drawable) {
-	      /* it might be that the window did not created yet on the */
-	      /* back-end server (lazy window creation option), force   */
-	      /* creation of the window */
-	      dmxCreateAndRealizeWindow( pWin, TRUE );
-	      be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   }
-       }
-       else {
-	  client->errorValue = drawId;
-	  return __glXBadDrawable;
-       }
-   }
-
-
-   /* send the request to the back-end server */
-   dpy = GetBackEndDisplay(cl,screen);
-   dmxScreen = &dmxScreens[screen];
-
-   /* make sure drawable exists on back-end */
-   dmxSync( dmxScreen, 1 );
-
-   LockDisplay(dpy);
-   GetReq(GLXGetDrawableAttributes, be_req);
-   be_req->reqType = dmxScreen->glxMajorOpcode;
-   be_req->glxCode = X_GLXGetDrawableAttributes;
-   be_req->drawable = be_drawable;
-   be_req->length = req->length;
-   if (!_XReply(dpy, (xReply *) &reply, 0, False)) {
-      UnlockDisplay(dpy);
-      SyncHandle();
-      return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
-   }
-
-   if (reply.numAttribs) {
-      attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32;
-      attribs = (CARD32 *) Xalloc(attribs_size);
-      if (attribs == NULL) {
-	 UnlockDisplay(dpy);
-	 SyncHandle();
-	 return BadAlloc;
-      }
-
-      _XRead(dpy, (char *) attribs, attribs_size);
-   }
-
-   UnlockDisplay(dpy);
-   SyncHandle();
-
-
-   /* send the reply back to the client */
-   reply.sequenceNumber = client->sequence;
-   if (client->swapped) {
-      __glXSwapGetDrawableAttributesReply(client, &reply, (int *)attribs);
-   }
-   else {
-      WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)&reply);
-      WriteToClient(client, attribs_size, (char *)attribs);
-   }
-
-   Xfree(attribs);
-
-   return Success;
-}
-
-int __glXChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
-   xGLXChangeDrawableAttributesReq *req = (xGLXChangeDrawableAttributesReq *)pc;
-   xGLXChangeDrawableAttributesReq *be_req;
-   ClientPtr client = cl->client;
-   GLXDrawable drawId = req->drawable;
-   GLXDrawable be_drawable = 0;
-   DrawablePtr pDraw = NULL;
-   Display *dpy;
-   int screen, rc;
-   DMXScreenInfo *dmxScreen;
-   char *attrbuf;
-#ifdef PANORAMIX
-    PanoramiXRes *pXinDraw = NULL;
-    PanoramiXRes *pXinReadDraw = NULL;
-#endif
-
-   if (drawId != None) {
-      rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess);
-      if (rc == Success) {
-	 if (pDraw->type == DRAWABLE_WINDOW) {
-		WindowPtr pWin = (WindowPtr)pDraw;
-		be_drawable = 0;
-		screen = pWin->drawable.pScreen->myNum;
-
-	 }
-	 else {
-	    /*
-	     ** Drawable is not a Window , GLXWindow or a GLXPixmap.
-	     */
-	    client->errorValue = drawId;
-	    return __glXBadDrawable;
-	 }
-      }
-
-      if (!pDraw) {
-	 __GLXpixmap *pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,
-							__glXPixmapRes);
-	 if (pGlxPixmap) {
-		pDraw = pGlxPixmap->pDraw;
-		screen = pGlxPixmap->pScreen->myNum;
-                be_drawable = pGlxPixmap->be_xids[screen];
-	 }
-      }
-
-      if (!pDraw) {
-	 __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);
-	 if (pGlxWindow) {
-	    pDraw = pGlxWindow->pDraw;
-	    screen = pGlxWindow->pScreen->myNum;
-	    be_drawable = 0;
-     	 }
-      }
-
-      if (!pDraw) {
-	 __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);
-	 if (pGlxPbuffer) {
-    	    pDraw = (DrawablePtr)pGlxPbuffer;
-	    screen = pGlxPbuffer->pScreen->myNum;
-	    be_drawable = pGlxPbuffer->be_xids[screen];
-	 }
-      }
-
-
-      if (!pDraw) {
-	 /*
-	  ** Drawable is not a Window , GLXWindow or a GLXPixmap.
-	  */
-	 client->errorValue = drawId;
-	 return __glXBadDrawable;
-      }
-    }
-
-
-   /* if the drawable is a window or GLXWindow - 
-    * we need to find the base id on the back-end server
-    */
-   if (!be_drawable) {
-       WindowPtr pWin = (WindowPtr)pDraw;
-
-#ifdef PANORAMIX
-       if (!noPanoramiXExtension) {
-	  pXinDraw = (PanoramiXRes *)
-	     SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);
-	  if (!pXinDraw) {
-	     client->errorValue = drawId;
-	     return __glXBadDrawable;
-	  }
-
-	  dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
-			  DixReadAccess);
-       }
-#endif
-
-       if (pWin) {
-	   be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   if (!be_drawable) {
-	      /* it might be that the window did not created yet on the */
-	      /* back-end server (lazy window creation option), force   */
-	      /* creation of the window */
-	      dmxCreateAndRealizeWindow( pWin, TRUE );
-	      be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
-	   }
-       }
-       else {
-	  client->errorValue = drawId;
-	  return __glXBadDrawable;
-       }
-   }
-
-
-   /* send the request to the back-end server */
-   dpy = GetBackEndDisplay(cl,screen);
-   dmxScreen = &dmxScreens[screen];
-
-   /* make sure drawable exists on back-end */
-   dmxSync( dmxScreen, 1 );
-
-   LockDisplay(dpy);
-   GetReqExtra(GLXChangeDrawableAttributes,
-                        2 * req->numAttribs * __GLX_SIZE_CARD32, be_req);
-   be_req->reqType = dmxScreen->glxMajorOpcode;
-   be_req->glxCode = X_GLXChangeDrawableAttributes;
-   be_req->drawable = be_drawable;
-   be_req->numAttribs = req->numAttribs;
-   be_req->length = req->length;
-
-   UnlockDisplay(dpy);
-   SyncHandle();
-
-   return Success;
-}
-
-int __glXSendLargeCommand(__GLXclientState *cl, GLXContextTag contextTag)
-{
-   ClientPtr client = cl->client;
-    xGLXRenderLargeReq *req;
-    GLint maxSize, amount;
-    GLint totalRequests, requestNumber;
-    GLint dataLen;
-    GLbyte *data;
-    __GLXcontext *glxc;
-    int s;
-    int from_screen, to_screen;
-
-    maxSize = cl->largeCmdMaxReqDataSize - (GLint)sizeof(xGLXRenderLargeReq);
-    dataLen = cl->largeCmdBytesTotal;
-    totalRequests = (dataLen / maxSize);
-    if (dataLen % maxSize) totalRequests++;
-
-    glxc = __glXLookupContextByTag(cl, contextTag);
-    if (!glxc) {
-       client->errorValue = contextTag;
-       return __glXBadContext;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    /*
-    ** Send enough requests until the whole array is sent.
-    */
-    requestNumber = 1;
-    data = cl->largeCmdBuf;
-    while (dataLen > 0) {
-	amount = dataLen;
-	if (amount > maxSize) {
-	    amount = maxSize;
-	}
-
-	for (s=from_screen; s<=to_screen; s++) {
-
-	   Display *dpy = GetBackEndDisplay(cl,s);
-	   DMXScreenInfo *dmxScreen = &dmxScreens[s];
-
-	   LockDisplay(dpy);
-	   GetReq(GLXRenderLarge,req); 
-	   req->reqType = dmxScreen->glxMajorOpcode;
-	   req->glxCode = X_GLXRenderLarge; 
-	   req->contextTag = GetCurrentBackEndTag(cl,contextTag,s);
-	   req->length += (amount + 3) >> 2;
-	   req->requestNumber = requestNumber++;
-	   req->requestTotal = totalRequests;
-	   req->dataBytes = amount;
-	   Data(dpy, ((const char*)data), amount);
-	   dataLen -= amount;
-	   data = ((GLbyte *) data) + amount;
-	   UnlockDisplay(dpy);
-	   SyncHandle();
-	}
-    }
-
-    return Success;
-}
+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include "dmx.h"

+#include "dmxwindow.h"

+#include "dmxpixmap.h"

+#include "dmxfont.h"

+#include "dmxsync.h"

+

+#undef Xmalloc

+#undef Xcalloc

+#undef Xrealloc

+#undef Xfree

+

+#include "glxserver.h"

+#include <GL/glxtokens.h>

+#include "g_disptab.h"

+#include <pixmapstr.h>

+#include <windowstr.h>

+#include "glxutil.h"

+#include "glxext.h"

+#include "unpack.h"

+

+#include "GL/glxproto.h"

+#include "glxvendor.h"

+#include "glxvisuals.h"

+#include "glxswap.h"

+

+#ifdef PANORAMIX

+#include "panoramiXsrv.h"

+#endif

+

+extern __GLXFBConfig **__glXFBConfigs;

+extern int            __glXNumFBConfigs;

+

+extern __GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id );

+extern __GLXFBConfig *glxLookupFBConfigByVID( VisualID vid );

+extern __GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen );

+extern int glxIsExtensionSupported( char *ext );

+extern int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc);

+

+#define BE_TO_CLIENT_ERROR(x) \

+           ( (x) >= __glXerrorBase ? \

+             (x) - dmxScreen->glxErrorBase + __glXerrorBase \

+	     : (x) )

+

+Display *GetBackEndDisplay( __GLXclientState *cl, int s )

+{

+   if (! cl->be_displays[s] ) {

+      cl->be_displays[s] = XOpenDisplay( DisplayString(dmxScreens[s].beDisplay) );

+   }

+   return( cl->be_displays[s] );

+}

+

+/*

+** Create a GL context with the given properties.

+*/

+static int CreateContext(__GLXclientState *cl, 

+                         GLXContextID gcId,

+			 VisualID vid, GLXFBConfigID fbconfigId,

+			 int screen,

+			 GLXContextID shareList,

+			 int isDirect )

+{

+    ClientPtr client = cl->client;

+    xGLXCreateContextReq *be_req;

+    xGLXCreateNewContextReq *be_new_req;

+    VisualPtr pVisual;

+    ScreenPtr pScreen;

+    __GLXcontext *glxc, *shareglxc;

+    __GLXvisualConfig *pGlxVisual;

+    __GLXscreenInfo *pGlxScreen;

+    VisualID visual = vid;

+    GLint i;

+    int from_screen = screen;

+    int to_screen = screen;

+    DMXScreenInfo *dmxScreen;

+    VisualID be_vid;

+    GLXFBConfigID be_fbconfigId;

+    int num_be_screens;

+    Display *dpy;

+    

+    /*

+    ** Check if screen exists.

+    */

+    if (screen >= screenInfo.numScreens) {

+	client->errorValue = screen;

+	return BadValue;

+    }

+

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    /*

+     ** Find the display list space that we want to share.  

+     **

+     */

+    if (shareList == None) {

+       shareglxc = NULL;

+    } else {

+       shareglxc = (__GLXcontext *) LookupIDByType(shareList, __glXContextRes);

+       if (!shareglxc) {

+	  client->errorValue = shareList;

+	  return __glXBadContext;

+       }

+    }

+

+    /*

+    ** Allocate memory for the new context

+    */

+    glxc = __glXCalloc(1, sizeof(__GLXcontext));

+    if (!glxc) {

+	return BadAlloc;

+    }

+

+    pScreen = screenInfo.screens[screen];

+    pGlxScreen = &__glXActiveScreens[screen];

+

+    if (fbconfigId != None) {

+       glxc->pFBConfig = glxLookupFBConfig( fbconfigId );

+       if (!glxc->pFBConfig) {

+	  client->errorValue = fbconfigId;

+	  __glXFree( glxc );

+	  return BadValue;

+       }

+       visual = glxc->pFBConfig->associatedVisualId;

+    }

+    else {

+       glxc->pFBConfig = NULL;

+    }

+

+    if (visual != None) {

+       /*

+	** Check if the visual ID is valid for this screen.

+	*/

+       pVisual = pScreen->visuals;

+       for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {

+	  if (pVisual->vid == visual) {

+	     break;

+	  }

+       }

+       if (i == pScreen->numVisuals) {

+	  client->errorValue = visual;

+	  __glXFree( glxc );

+	  return BadValue;

+       }

+

+       pGlxVisual = pGlxScreen->pGlxVisual;

+       for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {

+	  if (pGlxVisual->vid == visual) {

+	     break;

+	  }

+       }

+       if (i == pGlxScreen->numVisuals) {

+	  /*

+	   ** Visual not support on this screen by this OpenGL implementation.

+	   */

+	  client->errorValue = visual;

+	  __glXFree( glxc );

+	  return BadValue;

+       }

+

+       if ( glxc->pFBConfig == NULL ) {

+	   glxc->pFBConfig = glxLookupFBConfigByVID( visual );

+

+	   if ( glxc->pFBConfig == NULL ) {

+	      /*

+               * visual does not have an FBConfig ???

+	      client->errorValue = visual;

+	      __glXFree( glxc );

+	      return BadValue;

+	       */

+	   }

+       }

+    }

+    else {

+       pVisual = NULL;

+       pGlxVisual = NULL;

+    }

+

+    glxc->pScreen = pScreen;

+    glxc->pGlxScreen = pGlxScreen;

+    glxc->pVisual = pVisual;

+    glxc->pGlxVisual = pGlxVisual;

+

+    /*

+     * allocate memory for back-end servers info

+     */

+    num_be_screens = to_screen - from_screen + 1;

+    glxc->real_ids = (XID *)__glXMalloc(sizeof(XID) * num_be_screens);

+    if (!glxc->real_ids) {

+	return BadAlloc;

+    }

+    glxc->real_vids = (XID *)__glXMalloc(sizeof(XID) * num_be_screens);

+    if (!glxc->real_vids) {

+	return BadAlloc;

+    }

+

+    for (screen = from_screen; screen <= to_screen; screen++) {

+       int sent = 0;

+       pScreen = screenInfo.screens[screen];

+       pGlxScreen = &__glXActiveScreens[screen];

+       dmxScreen = &dmxScreens[screen];

+

+       if (glxc->pFBConfig) {

+	  __GLXFBConfig *beFBConfig = glxLookupBackEndFBConfig( glxc->pFBConfig->id, 

+		                                                screen );

+	  be_fbconfigId = beFBConfig->id;

+       }

+

+       if (pGlxVisual) {

+

+	  be_vid = glxMatchGLXVisualInConfigList( pGlxVisual,

+	                                    dmxScreen->glxVisuals,

+					    dmxScreen->numGlxVisuals  );

+

+	  if (!be_vid) {

+	     /* visual is not supported on the back-end server */

+	     __glXFree( glxc->real_ids );

+	     __glXFree( glxc->real_vids );

+	     __glXFree( glxc );

+	     return BadValue;

+	  }

+       }

+

+       glxc->real_ids[screen-from_screen] = XAllocID(GetBackEndDisplay(cl,screen));

+

+       /* send the create context request to the back-end server */

+       dpy = GetBackEndDisplay(cl,screen);

+       if (glxc->pFBConfig) {

+	     /*Since for a certain visual both RGB and COLOR INDEX

+	      *can be on then the only parmeter to choose the renderType

+	      * should be the class of the colormap since all 4 first 

+	      * classes does not support RGB mode only COLOR INDEX ,

+	      * and so TrueColor and DirectColor does not support COLOR INDEX*/

+	     int renderType =  glxc->pFBConfig->renderType;  

+	     if ( pVisual ) {

+		 switch ( pVisual->class ){

+		     case PseudoColor:

+                     case StaticColor:

+                     case GrayScale:

+                     case StaticGray:

+                         renderType = GLX_COLOR_INDEX_TYPE;

+                         break;

+                     case TrueColor:

+                     case DirectColor:

+                     default:

+                         renderType = GLX_RGBA_TYPE;

+                     break;

+		 }

+	     }

+	  if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	     LockDisplay(dpy);

+	     GetReq(GLXCreateNewContext,be_new_req);

+	     be_new_req->reqType = dmxScreen->glxMajorOpcode;

+	     be_new_req->glxCode = X_GLXCreateNewContext;

+	     be_new_req->context = (unsigned int)glxc->real_ids[screen-from_screen];

+	     be_new_req->fbconfig = (unsigned int)be_fbconfigId;

+	     be_new_req->screen = DefaultScreen(dpy);

+	     be_new_req->renderType = renderType;  

+

+	     be_new_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);

+	     be_new_req->isDirect = 0;

+	     UnlockDisplay(dpy);

+	     glxc->real_vids[screen-from_screen] = be_fbconfigId;

+	     sent = 1;

+	  }

+	  else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) {

+

+	     xGLXCreateContextWithConfigSGIXReq *ext_req;

+	     xGLXVendorPrivateReq *vpreq;

+	     LockDisplay(dpy);

+	     GetReqExtra(GLXVendorPrivate,

+		         sz_xGLXCreateContextWithConfigSGIXReq - sz_xGLXVendorPrivateReq,

+			vpreq);

+	     ext_req = (xGLXCreateContextWithConfigSGIXReq *)vpreq;

+	     ext_req->reqType = dmxScreen->glxMajorOpcode;

+	     ext_req->glxCode = X_GLXVendorPrivate;

+	     ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX;

+	     ext_req->context = (unsigned int)glxc->real_ids[screen-from_screen];

+	     ext_req->fbconfig = (unsigned int)be_fbconfigId;

+	     ext_req->screen = DefaultScreen(dpy);

+	     ext_req->renderType = renderType;  

+	     ext_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);

+	     ext_req->isDirect = 0;

+	     UnlockDisplay(dpy);

+	     glxc->real_vids[screen-from_screen] = be_fbconfigId;

+	     sent = 1;

+	  }

+       }

+

+       if (!sent) {

+	  LockDisplay(dpy);

+	  GetReq(GLXCreateContext,be_req);

+	  be_req->reqType = dmxScreen->glxMajorOpcode;

+	  be_req->glxCode = X_GLXCreateContext;

+	  be_req->context = (unsigned int)glxc->real_ids[screen-from_screen];

+	  be_req->visual = (unsigned int)be_vid;

+	  be_req->screen = DefaultScreen(dpy);

+	  be_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);

+	  be_req->isDirect = 0;

+	  UnlockDisplay(dpy);

+	  glxc->real_vids[screen-from_screen] = be_vid;

+       }

+       SyncHandle();

+

+    }

+

+    /*

+    ** Register this context as a resource.

+    */

+    if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {

+       __glXFree( glxc->real_ids );

+       __glXFree( glxc->real_vids );

+       __glXFree( glxc );

+	client->errorValue = gcId;

+	return BadAlloc;

+    }

+    

+    /*

+    ** Finally, now that everything is working, setup the rest of the

+    ** context.

+    */

+    glxc->id = gcId;

+    glxc->share_id = shareList;

+    glxc->idExists = GL_TRUE;

+    glxc->isCurrent = GL_FALSE;

+

+    return Success;

+}

+

+int __glXCreateContext(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;

+

+    return( CreateContext(cl, req->context,req->visual, None,

+	                  req->screen, req->shareList, req->isDirect) );

+

+}

+

+int __glXCreateNewContext(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;

+

+    return( CreateContext(cl, req->context,None, req->fbconfig,

+	                  req->screen, req->shareList, req->isDirect) );

+

+}

+

+int __glXCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXCreateContextWithConfigSGIXReq *req = (xGLXCreateContextWithConfigSGIXReq *) pc;

+

+    return( CreateContext(cl, req->context, None, req->fbconfig,

+	                  req->screen, req->shareList, req->isDirect) );

+

+}

+

+int __glXQueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXQueryMaxSwapBarriersSGIXReq *req =

+	(xGLXQueryMaxSwapBarriersSGIXReq *)pc;

+    xGLXQueryMaxSwapBarriersSGIXReply reply;

+

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = 0;

+    reply.max = QueryMaxSwapBarriersSGIX(req->screen);

+

+    if (client->swapped) {

+	__glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply);

+    } else {

+	WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,

+		      (char *)&reply);

+    }

+

+    return Success;

+}

+

+int __glXBindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *)pc;

+    DrawablePtr pDraw;

+    __GLXpixmap *pGlxPixmap = NULL;

+    __glXWindow *pGlxWindow = NULL;

+    int rc;

+

+    rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess);

+    if (rc != Success) {

+	pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable,

+						    __glXPixmapRes);

+	if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;

+    }

+

+    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+       pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable,

+						   __glXWindowRes);

+       if (pGlxWindow) pDraw = pGlxWindow->pDraw;

+    }

+

+    if (!pDraw) {

+       client->errorValue = req->drawable;

+       return __glXBadDrawable;

+    }

+

+    return BindSwapBarrierSGIX(pDraw, req->barrier);

+}

+

+int __glXJoinSwapGroupSGIX(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *)pc;

+    DrawablePtr pDraw, pMember = NULL;

+    __GLXpixmap *pGlxPixmap = NULL;

+    __glXWindow *pGlxWindow = NULL;

+    int rc;

+

+    rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess);

+    if (rc != Success) {

+	pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->drawable,

+						    __glXPixmapRes);

+	if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;

+    }

+

+    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+       pGlxWindow = (__glXWindow *) LookupIDByType(req->drawable,

+						   __glXWindowRes);

+       if (pGlxWindow) pDraw = pGlxWindow->pDraw;

+    }

+

+    if (!pDraw) {

+       client->errorValue = req->drawable;

+       return __glXBadDrawable;

+    }

+

+    if (req->member != None) {

+	rc = dixLookupDrawable(&pMember, req->member, client, 0,

+			       DixGetAttrAccess);

+	if (rc != Success) {

+	    pGlxPixmap = (__GLXpixmap *) LookupIDByType(req->member,

+							__glXPixmapRes);

+	    if (pGlxPixmap) pMember = pGlxPixmap->pDraw;

+	}

+

+	if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	    pGlxWindow = (__glXWindow *) LookupIDByType(req->member,

+							__glXWindowRes);

+	    if (pGlxWindow) pMember = pGlxWindow->pDraw;

+	}

+

+	if (!pMember) {

+	    client->errorValue = req->member;

+	    return __glXBadDrawable;

+	}

+    }

+

+    return JoinSwapGroupSGIX(pDraw, pMember);

+}

+

+

+/*

+** Destroy a GL context as an X resource.

+*/

+int __glXDestroyContext(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;

+    xGLXDestroyContextReq *be_req;

+    GLXContextID gcId = req->context;

+    __GLXcontext *glxc;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+    

+    glxc = (__GLXcontext *) LookupIDByType(gcId, __glXContextRes);

+    if (glxc) {

+	/*

+	** Just free the resource; don't actually destroy the context,

+	** because it might be in use.  The

+	** destroy method will be called by the resource destruction routine

+	** if necessary.

+	*/

+	FreeResourceByType(gcId, __glXContextRes, FALSE);

+

+	from_screen = to_screen = glxc->pScreen->myNum;

+

+    } else {

+	client->errorValue = gcId;

+	return __glXBadContext;

+    }

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    /*

+     * send DestroyContext request to all back-end servers

+     */

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReq(GLXDestroyContext,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXDestroyContext;

+       be_req->context = glxc->real_ids[s-from_screen];

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    return Success;

+}

+

+/*****************************************************************************/

+

+/*

+** For each client, the server keeps a table of all the contexts that are

+** current for that client (each thread of a client may have its own current

+** context).  These routines add, change, and lookup contexts in the table.

+*/

+

+/*

+** Add a current context, and return the tag that will be used to refer to it.

+*/

+static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, DrawablePtr pDraw)

+{

+    int i;

+    int num = cl->numCurrentContexts;

+    __GLXcontext **table = cl->currentContexts;

+

+    if (!glxc) return -1;

+    

+    /*

+    ** Try to find an empty slot and use it.

+    */

+    for (i=0; i < num; i++) {

+	if (!table[i]) {

+	    table[i] = glxc;

+	    return i+1;

+	}

+    }

+    /*

+    ** Didn't find a free slot, so we'll have to grow the table.

+    */

+    if (!num) {

+	table = (__GLXcontext **) __glXMalloc(sizeof(__GLXcontext *));

+	cl->currentDrawables = (DrawablePtr *) __glXMalloc(sizeof(DrawablePtr));

+	cl->be_currentCTag = (GLXContextTag *) __glXMalloc(screenInfo.numScreens *sizeof(GLXContextTag));

+    } else {

+	table = (__GLXcontext **) __glXRealloc(table,

+					   (num+1)*sizeof(__GLXcontext *));

+	cl->currentDrawables = (DrawablePtr *) __glXRealloc(

+	                                          cl->currentDrawables ,

+						  (num+1)*sizeof(DrawablePtr));

+	cl->be_currentCTag = (GLXContextTag *) __glXRealloc(cl->be_currentCTag,

+	            (num+1)*screenInfo.numScreens*sizeof(GLXContextTag));

+    }

+    table[num] = glxc;

+    cl->currentDrawables[num] = pDraw;

+    cl->currentContexts = table;

+    cl->numCurrentContexts++;

+

+    memset(cl->be_currentCTag + num*screenInfo.numScreens, 0, 

+	         screenInfo.numScreens * sizeof(GLXContextTag));

+

+    return num+1;

+}

+

+/*

+** Given a tag, change the current context for the corresponding entry.

+*/

+static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,

+				GLXContextTag tag)

+{

+    __GLXcontext **table = cl->currentContexts;

+    table[tag-1] = glxc;

+}

+

+/*

+** Given a tag, and back-end screen number, retrives the current back-end

+** tag.

+*/

+int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s)

+{

+   if (tag >0) {

+      return( cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] );

+   }

+   else {

+      return( 0 );

+   }

+}

+

+/*

+** Given a tag, and back-end screen number, sets the current back-end

+** tag.

+*/

+static void SetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s, GLXContextTag be_tag)

+{

+   if (tag >0) {

+      cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] = be_tag;

+   }

+}

+

+/*

+** For this implementation we have chosen to simply use the index of the

+** context's entry in the table as the context tag.  A tag must be greater

+** than 0.

+*/

+__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)

+{

+    int num = cl->numCurrentContexts;

+

+    if (tag < 1 || tag > num) {

+	return 0;

+    } else {

+	return cl->currentContexts[tag-1];

+    }

+}

+

+DrawablePtr __glXLookupDrawableByTag(__GLXclientState *cl, GLXContextTag tag)

+{

+    int num = cl->numCurrentContexts;

+

+    if (tag < 1 || tag > num) {

+	return 0;

+    } else {

+	return cl->currentDrawables[tag-1];

+    }

+}

+

+/*****************************************************************************/

+

+static void StopUsingContext(__GLXcontext *glxc)

+{

+    if (glxc) {

+	if (glxc == __glXLastContext) {

+	    /* Tell server GL library */

+	    __glXLastContext = 0;

+	}

+	glxc->isCurrent = GL_FALSE;

+	if (!glxc->idExists) {

+	    __glXFreeContext(glxc);

+	}

+    }

+}

+

+static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)

+{

+    glxc->isCurrent = GL_TRUE;

+}

+

+/*****************************************************************************/

+/*

+** Make an OpenGL context and drawable current.

+*/

+static int MakeCurrent(__GLXclientState *cl,

+                       GLXDrawable drawable,

+                       GLXDrawable readdrawable,

+		       GLXContextID context,

+		       GLXContextTag oldContextTag)

+{

+    ClientPtr client = cl->client;

+    DrawablePtr pDraw = NULL;

+    DrawablePtr pReadDraw = NULL;

+    xGLXMakeCurrentReadSGIReply new_reply;

+    xGLXMakeCurrentReq *be_req;

+    xGLXMakeCurrentReply be_reply;

+    xGLXMakeContextCurrentReq *be_new_req;

+    xGLXMakeContextCurrentReply be_new_reply;

+    GLXDrawable drawId = drawable;

+    GLXDrawable readId = readdrawable;

+    GLXContextID contextId = context;

+    __GLXpixmap *pGlxPixmap = 0;

+    __GLXpixmap *pReadGlxPixmap = 0;

+    __GLXcontext *glxc, *prevglxc;

+    GLXContextTag tag = oldContextTag;

+    WindowPtr pWin = NULL;

+    WindowPtr pReadWin = NULL;

+    __glXWindow *pGlxWindow = NULL;

+    __glXWindow *pGlxReadWindow = NULL;

+    __glXPbuffer *pGlxPbuffer = NULL;

+    __glXPbuffer *pGlxReadPbuffer = NULL;

+#ifdef PANORAMIX

+    PanoramiXRes *pXinDraw = NULL;

+    PanoramiXRes *pXinReadDraw = NULL;

+#endif

+    int from_screen = 0;

+    int to_screen = 0;

+    int s, rc;

+

+    /*

+    ** If one is None and the other isn't, it's a bad match.

+    */

+    if ((drawId == None && contextId != None) ||

+	(drawId != None && contextId == None)) {

+	return BadMatch;

+    }

+    

+    /*

+    ** Lookup old context.  If we have one, it must be in a usable state.

+    */

+    if (tag != 0) {

+	prevglxc = __glXLookupContextByTag(cl, tag);

+	if (!prevglxc) {

+	    /*

+	    ** Tag for previous context is invalid.

+	    */

+	    return __glXBadContextTag;

+	}

+    } else {

+	prevglxc = 0;

+    }

+

+    /*

+    ** Lookup new context.  It must not be current for someone else.

+    */

+    if (contextId != None) {

+	glxc = (__GLXcontext *) LookupIDByType(contextId, __glXContextRes);

+	if (!glxc) {

+	    client->errorValue = contextId;

+	    return __glXBadContext;

+	}

+	if ((glxc != prevglxc) && glxc->isCurrent) {

+	    /* Context is current to somebody else */

+	    return BadAccess;

+	}

+    } else {

+	/* Switching to no context.  Ignore new drawable. */

+	glxc = 0;

+    }

+

+    if (drawId != None) {

+	rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);

+	if (rc == Success) {

+	    if (pDraw->type == DRAWABLE_WINDOW) {

+		/*

+		** Drawable is an X Window.

+		*/

+	        VisualID vid;

+		pWin = (WindowPtr)pDraw;

+		vid = wVisual(pWin);

+

+		new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);

+		new_reply.writeType = GLX_WINDOW_TYPE;

+

+		/*

+		** Check if window and context are similar.

+		*/

+		if ((vid != glxc->pVisual->vid) ||

+		    (pWin->drawable.pScreen != glxc->pScreen)) {

+		    client->errorValue = drawId;

+		    return BadMatch;

+		}

+

+		from_screen = to_screen = pWin->drawable.pScreen->myNum;

+

+	    } else {

+		/*

+		** An X Pixmap is not allowed as a parameter (a GLX Pixmap

+		** is, but it must first be created with glxCreateGLXPixmap).

+		*/

+		client->errorValue = drawId;

+		return __glXBadDrawable;

+	    }

+	}

+

+        if (!pDraw) {

+	    pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,

+							__glXPixmapRes);

+	    if (pGlxPixmap) {

+		/*

+		** Check if pixmap and context are similar.

+		*/

+		if (pGlxPixmap->pScreen != glxc->pScreen ||

+		    pGlxPixmap->pGlxVisual != glxc->pGlxVisual) {

+		    client->errorValue = drawId;

+		    return BadMatch;

+		}

+		pDraw = pGlxPixmap->pDraw;

+

+		new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : 

+		                      pGlxPixmap->pGlxVisual->vid);

+

+		new_reply.writeType = GLX_PIXMAP_TYPE;

+

+		from_screen = to_screen = pGlxPixmap->pScreen->myNum;

+

+	    }

+	}

+

+	if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	   pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);

+            if (pGlxWindow) {

+                /*

+                ** Drawable is a GLXWindow.

+                **

+                ** Check if GLX window and context are similar.

+                */

+                if (pGlxWindow->pScreen != glxc->pScreen ||

+                    pGlxWindow->pGlxFBConfig != glxc->pFBConfig) {

+                    client->errorValue = drawId;

+                    return BadMatch;

+                }

+

+                pDraw = pGlxWindow->pDraw;

+                new_reply.writeVid = pGlxWindow->pGlxFBConfig->id;

+                new_reply.writeType = GLX_GLXWINDOW_TYPE;

+            }

+

+	}

+

+	if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	   pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);

+	   if (pGlxPbuffer) {

+                if (pGlxPbuffer->pScreen != glxc->pScreen ||

+                    pGlxPbuffer->pFBConfig != glxc->pFBConfig) {

+                    client->errorValue = drawId;

+                    return BadMatch;

+                }

+

+		pDraw = (DrawablePtr)pGlxPbuffer;

+                new_reply.writeVid = pGlxPbuffer->pFBConfig->id;

+                new_reply.writeType = GLX_PBUFFER_TYPE;

+	   }

+	}

+

+	if (!pDraw) {

+	   /*

+    	    ** Drawable is not a Window , GLXWindow or a GLXPixmap.

+	    */

+	   client->errorValue = drawId;

+	   return __glXBadDrawable;

+	}

+

+    } else {

+	pDraw = 0;

+    }

+

+    if (readId != None && readId != drawId ) {

+	rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess);

+	if (rc == Success) {

+	    if (pReadDraw->type == DRAWABLE_WINDOW) {

+		/*

+		** Drawable is an X Window.

+		*/

+	        VisualID vid;

+		pReadWin = (WindowPtr)pDraw;

+		vid = wVisual(pReadWin);

+

+		new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);

+		new_reply.readType = GLX_WINDOW_TYPE;

+

+		/*

+		** Check if window and context are similar.

+		*/

+		if ((vid != glxc->pVisual->vid) ||

+		    (pReadWin->drawable.pScreen != glxc->pScreen)) {

+		    client->errorValue = readId;

+		    return BadMatch;

+		}

+

+	    } else {

+

+		/*

+		** An X Pixmap is not allowed as a parameter (a GLX Pixmap

+		** is, but it must first be created with glxCreateGLXPixmap).

+		*/

+		client->errorValue = readId;

+		return __glXBadDrawable;

+	    }

+	}

+

+	if (!pReadDraw) {

+	    pReadGlxPixmap = (__GLXpixmap *) LookupIDByType(readId,

+							__glXPixmapRes);

+	    if (pReadGlxPixmap) {

+		/*

+		** Check if pixmap and context are similar.

+		*/

+		if (pReadGlxPixmap->pScreen != glxc->pScreen ||

+		    pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) {

+		    client->errorValue = readId;

+		    return BadMatch;

+		}

+		pReadDraw = pReadGlxPixmap->pDraw;

+

+		new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id :

+		                     pReadGlxPixmap->pGlxVisual->vid );

+		new_reply.readType = GLX_PIXMAP_TYPE;

+

+	    }

+	}

+

+	if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	   pGlxReadWindow = (__glXWindow *)

+                                LookupIDByType(readId, __glXWindowRes);

+            if (pGlxReadWindow) {

+                /*

+                ** Drawable is a GLXWindow.

+                **

+                ** Check if GLX window and context are similar.

+                */

+                if (pGlxReadWindow->pScreen != glxc->pScreen ||

+                    pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) {

+                    client->errorValue = readId;

+                    return BadMatch;

+                }

+

+                pReadDraw = pGlxReadWindow->pDraw;

+                new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id;

+                new_reply.readType = GLX_GLXWINDOW_TYPE;

+            }

+	}

+

+	if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	   pGlxReadPbuffer = (__glXPbuffer *)LookupIDByType(readId, __glXPbufferRes);

+	   if (pGlxReadPbuffer) {

+                if (pGlxReadPbuffer->pScreen != glxc->pScreen ||

+                    pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) {

+                    client->errorValue = drawId;

+                    return BadMatch;

+                }

+

+		pReadDraw = (DrawablePtr)pGlxReadPbuffer;

+                new_reply.readVid = pGlxReadPbuffer->pFBConfig->id;

+                new_reply.readType = GLX_PBUFFER_TYPE;

+	   }

+	}

+

+	if (!pReadDraw) {

+	   /*

+    	    ** Drawable is neither a Window nor a GLXPixmap.

+	    */

+	   client->errorValue = readId;

+	   return __glXBadDrawable;

+	}

+

+    } else {

+	pReadDraw = pDraw;

+	pReadGlxPixmap = pGlxPixmap;

+	pReadWin = pWin;

+	new_reply.readVid = new_reply.writeVid;

+	new_reply.readType = new_reply.writeType;

+    }

+

+    if (prevglxc) {

+

+	if (prevglxc->pGlxPixmap) {

+	    /*

+	    ** The previous drawable was a glx pixmap, release it.

+	    */

+	    prevglxc->pGlxPixmap->refcnt--;

+	    __glXFreeGLXPixmap( prevglxc->pGlxPixmap );

+	    prevglxc->pGlxPixmap = 0;

+	}

+

+	if (prevglxc->pGlxReadPixmap) {

+	    /*

+	    ** The previous drawable was a glx pixmap, release it.

+	    */

+	    prevglxc->pGlxReadPixmap->refcnt--;

+	    __glXFreeGLXPixmap( prevglxc->pGlxReadPixmap );

+	    prevglxc->pGlxReadPixmap = 0;

+	}

+

+	if (prevglxc->pGlxWindow) {

+	    /*

+	    ** The previous drawable was a glx window, release it.

+	    */

+	    prevglxc->pGlxWindow->refcnt--;

+	    __glXFreeGLXWindow( prevglxc->pGlxWindow );

+	    prevglxc->pGlxWindow = 0;   

+	}

+

+	if (prevglxc->pGlxReadWindow) {

+	    /*

+	    ** The previous drawable was a glx window, release it.

+	    */

+	    prevglxc->pGlxReadWindow->refcnt--;

+	    __glXFreeGLXWindow( prevglxc->pGlxReadWindow );

+	    prevglxc->pGlxReadWindow = 0;   

+	}

+

+	if (prevglxc->pGlxPbuffer) {

+	    /*

+	    ** The previous drawable was a glx Pbuffer, release it.

+	    */

+	    prevglxc->pGlxPbuffer->refcnt--;

+	    __glXFreeGLXPbuffer( prevglxc->pGlxPbuffer );

+	    prevglxc->pGlxPbuffer = 0;   

+	}

+

+	if (prevglxc->pGlxReadPbuffer) {

+	    /*

+	    ** The previous drawable was a glx Pbuffer, release it.

+	    */

+	    prevglxc->pGlxReadPbuffer->refcnt--;

+	    __glXFreeGLXPbuffer( prevglxc->pGlxReadPbuffer );

+	    prevglxc->pGlxReadPbuffer = 0;   

+	}

+

+	ChangeCurrentContext(cl, glxc, tag);

+	ChangeCurrentContext(cl, glxc, tag);

+	StopUsingContext(prevglxc);

+    } else {

+	tag = AddCurrentContext(cl, glxc, pDraw);

+    }

+    if (glxc) {

+

+       glxc->pGlxPixmap = pGlxPixmap;

+       glxc->pGlxReadPixmap = pReadGlxPixmap;

+       glxc->pGlxWindow = pGlxWindow;

+       glxc->pGlxReadWindow = pGlxReadWindow;

+       glxc->pGlxPbuffer = pGlxPbuffer;

+       glxc->pGlxReadPbuffer = pGlxReadPbuffer;

+

+	if (pGlxPixmap) {

+	    pGlxPixmap->refcnt++;

+	}

+

+	if (pReadGlxPixmap) {

+	    pReadGlxPixmap->refcnt++;

+	}

+

+	if (pGlxWindow) {

+	   pGlxWindow->refcnt++;

+	}

+

+	if (pGlxReadWindow) {

+	   pGlxReadWindow->refcnt++;

+	}

+

+	if (pGlxPbuffer) {

+	   pGlxPbuffer->refcnt++;

+	}

+

+	if (pGlxReadPbuffer) {

+	   pGlxReadPbuffer->refcnt++;

+	}

+

+	StartUsingContext(cl, glxc);

+	new_reply.contextTag = tag;

+    } else {

+	new_reply.contextTag = 0;

+    }

+    new_reply.length = 0;

+    new_reply.type = X_Reply;

+    new_reply.sequenceNumber = client->sequence;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+

+       if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) {

+	  pXinDraw = (PanoramiXRes *)

+	     SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);

+       }

+

+       if (pReadDraw && pReadDraw != pDraw && 

+	     new_reply.readType != GLX_PBUFFER_TYPE) {

+	  pXinReadDraw = (PanoramiXRes *)

+	     SecurityLookupIDByClass(client, pReadDraw->id, XRC_DRAWABLE, DixReadAccess);

+       }

+       else {

+	  pXinReadDraw = pXinDraw;

+       }

+    }

+#endif

+

+

+    /* send the MakeCurrent request to all required

+     * back-end servers.

+     */

+    for (s = from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+       unsigned int be_draw = None;

+       unsigned int be_read_draw = None;

+

+       if (pGlxPixmap) {

+	   be_draw = pGlxPixmap->be_xids[s];

+       }

+       else if (pGlxPbuffer) {

+	  be_draw = pGlxPbuffer->be_xids[s];

+       }

+#ifdef PANORAMIX

+       else if (pXinDraw) {

+	  dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);

+       }

+#endif

+       else if (pGlxWindow) {

+	  pWin = (WindowPtr)pGlxWindow->pDraw;

+       }

+

+       if (pWin && be_draw == None) {

+	   be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   if (!be_draw) {

+	      /* it might be that the window did not created yet on the */

+	      /* back-end server (lazy window creation option), force   */

+	      /* creation of the window */

+	      dmxCreateAndRealizeWindow( pWin, TRUE );

+	      be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   }

+       }

+

+       /*

+	* Before sending the MakeCurrent request - sync the

+	* X11 connection to the back-end servers to make sure

+	* that drawable is already created

+	*/

+       dmxSync( dmxScreen, 1 ); 

+

+       if (drawId == readId) {

+	  LockDisplay(dpy);

+	  GetReq(GLXMakeCurrent, be_req);

+	  be_req->reqType = dmxScreen->glxMajorOpcode;

+	  be_req->glxCode = X_GLXMakeCurrent;

+	  be_req->drawable = be_draw;

+	  be_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);

+	  be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);

+	  if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) {

+

+	     /* The make current failed */

+	     UnlockDisplay(dpy);

+	     SyncHandle();

+	     return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );

+	  }

+

+	  UnlockDisplay(dpy);

+       	  SyncHandle();

+

+	  SetCurrentBackEndTag( cl, tag, s, be_reply.contextTag );

+       }

+       else {

+

+	  if (pReadGlxPixmap) {

+	     be_read_draw = pReadGlxPixmap->be_xids[s];

+	  }

+	  else if (pGlxReadPbuffer) {

+	     be_read_draw = pGlxReadPbuffer->be_xids[s];

+	  }

+#ifdef PANORAMIX

+	  else if (pXinReadDraw) {

+	     dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client,

+			     DixReadAccess);

+   	  }

+#endif

+	  else if (pGlxReadWindow) {

+	     pReadWin = (WindowPtr)pGlxReadWindow->pDraw;

+	  }

+

+      	  if (pReadWin && be_read_draw == None) {

+  	     be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;

+	   if (!be_read_draw) {

+	      /* it might be that the window did not created yet on the */

+	      /* back-end server (lazy window creation option), force   */

+	      /* creation of the window */

+	      dmxCreateAndRealizeWindow( pReadWin, TRUE );

+	      be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;

+              dmxSync( dmxScreen, 1 ); 

+	   }

+     	  }

+

+	  if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+	     LockDisplay(dpy);

+	     GetReq(GLXMakeContextCurrent, be_new_req);

+	     be_new_req->reqType = dmxScreen->glxMajorOpcode;

+	     be_new_req->glxCode = X_GLXMakeContextCurrent;

+	     be_new_req->drawable = be_draw;

+	     be_new_req->readdrawable = be_read_draw;

+	     be_new_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);

+	     be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);

+	     if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) {

+

+		/* The make current failed */

+		UnlockDisplay(dpy);

+   		SyncHandle();

+   		return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );

+   	     }

+

+   	     UnlockDisplay(dpy);

+      	     SyncHandle();

+

+   	     SetCurrentBackEndTag( cl, tag, s, be_new_reply.contextTag );

+	  }

+	  else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) {

+	     xGLXMakeCurrentReadSGIReq *ext_req;

+	     xGLXVendorPrivateWithReplyReq *vpreq;

+             xGLXMakeCurrentReadSGIReply ext_reply;

+

+	     LockDisplay(dpy);

+	     GetReqExtra(GLXVendorPrivateWithReply, 

+		         sz_xGLXMakeCurrentReadSGIReq - sz_xGLXVendorPrivateWithReplyReq,

+		         vpreq);

+	     ext_req = (xGLXMakeCurrentReadSGIReq *)vpreq;

+	     ext_req->reqType = dmxScreen->glxMajorOpcode;

+	     ext_req->glxCode = X_GLXVendorPrivateWithReply;

+	     ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI;

+	     ext_req->drawable = be_draw;

+	     ext_req->readable = be_read_draw;

+	     ext_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);

+	     ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);

+	     if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) {

+

+		/* The make current failed */

+		UnlockDisplay(dpy);

+   		SyncHandle();

+   		return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );

+   	     }

+

+   	     UnlockDisplay(dpy);

+      	     SyncHandle();

+

+   	     SetCurrentBackEndTag( cl, tag, s, ext_reply.contextTag );

+

+	  }

+	  else {

+	     return BadMatch;

+	  }

+       }

+

+       XFlush( dpy );

+    }

+

+    if (client->swapped) {

+	__glXSwapMakeCurrentReply(client, &new_reply);

+    } else {

+	WriteToClient(client, sz_xGLXMakeContextCurrentReply, (char *)&new_reply);

+    }

+

+    return Success;

+}

+

+int __glXMakeCurrent(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;

+

+    return( MakeCurrent(cl, req->drawable, req->drawable,

+	                req->context, req->oldContextTag ) );

+}

+

+int __glXMakeContextCurrent(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;

+

+    return( MakeCurrent(cl, req->drawable, req->readdrawable,

+	                req->context, req->oldContextTag ) );

+}

+

+int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;

+

+    return( MakeCurrent(cl, req->drawable, req->readable,

+	                req->context, req->oldContextTag ) );

+}

+

+int __glXIsDirect(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;

+    xGLXIsDirectReply reply;

+    __GLXcontext *glxc;

+

+    /*

+    ** Find the GL context.

+    */

+    glxc = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes);

+    if (!glxc) {

+	client->errorValue = req->context;

+	return __glXBadContext;

+    }

+

+    reply.isDirect = 0;

+    reply.length = 0;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+

+    if (client->swapped) {

+	__glXSwapIsDirectReply(client, &reply);

+    } else {

+	WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);

+    }

+

+    return Success;

+}

+

+int __glXQueryVersion(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+/*    xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */

+    xGLXQueryVersionReply reply;

+

+    /*

+    ** Server should take into consideration the version numbers sent by the

+    ** client if it wants to work with older clients; however, in this

+    ** implementation the server just returns its version number.

+    */

+    reply.majorVersion = __glXVersionMajor;

+    reply.minorVersion = __glXVersionMinor;

+    reply.length = 0;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+

+    if (client->swapped) {

+	__glXSwapQueryVersionReply(client, &reply);

+    } else {

+	WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);

+    }

+    return Success;

+}

+

+int __glXWaitGL(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;

+    xGLXWaitGLReq *be_req = (xGLXWaitGLReq *)pc;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+    __GLXcontext *glxc = NULL;

+    

+    if (req->contextTag != 0) {

+	glxc = __glXLookupContextByTag(cl, req->contextTag);

+	if (glxc) {

+	   from_screen = to_screen = glxc->pScreen->myNum;

+	}

+    }

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReq(GLXWaitGL,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXWaitGL;

+       be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       XSync(dpy, False);

+    }

+    

+    return Success;

+}

+

+int __glXWaitX(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXWaitXReq *req = (xGLXWaitXReq *)pc;

+    xGLXWaitXReq *be_req;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+    __GLXcontext *glxc = NULL;

+    

+    if (req->contextTag != 0) {

+	glxc = __glXLookupContextByTag(cl, req->contextTag);

+	if (glxc) {

+	   from_screen = to_screen = glxc->pScreen->myNum;

+	}

+    }

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       dmxSync( dmxScreen, 1 );

+

+       LockDisplay(dpy);

+       GetReq(GLXWaitX,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXWaitX;

+       be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       XFlush( dpy );

+    }

+

+    return Success;

+}

+

+int __glXCopyContext(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXCopyContextReq *be_req;

+    xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;

+    GLXContextID source = req->source;

+    GLXContextID dest = req->dest;

+    GLXContextTag tag = req->contextTag;

+    unsigned long mask = req->mask;

+    __GLXcontext *src, *dst;

+    int s;

+    int from_screen = 0;

+    int to_screen = 0;

+

+    /*

+    ** Check that each context exists.

+    */

+    src = (__GLXcontext *) LookupIDByType(source, __glXContextRes);

+    if (!src) {

+	client->errorValue = source;

+	return __glXBadContext;

+    }

+    dst = (__GLXcontext *) LookupIDByType(dest, __glXContextRes);

+    if (!dst) {

+	client->errorValue = dest;

+	return __glXBadContext;

+    }

+

+    /*

+    ** They must be in the same address space, and same screen.

+    */

+    if (src->pGlxScreen != dst->pGlxScreen) {

+	client->errorValue = source;

+	return BadMatch;

+    }

+

+    /*

+    ** The destination context must not be current for any client.

+    */

+    if (dst->isCurrent) {

+	client->errorValue = dest;

+	return BadAccess;

+    }

+

+    if (tag) {

+	__GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);

+	

+	if (!tagcx) {

+	    return __glXBadContextTag;

+	}

+	if (tagcx != src) {

+	    /*

+	    ** This would be caused by a faulty implementation of the client

+	    ** library.

+	    */

+	    return BadMatch;

+	}

+    }

+

+    from_screen = to_screen = src->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReq(GLXCopyContext,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXCopyContext;

+       be_req->source = (unsigned int)src->real_ids[s-from_screen];

+       be_req->dest = (unsigned int)dst->real_ids[s-from_screen];

+       be_req->mask = mask;

+       be_req->contextTag = (tag ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    return Success;

+}

+

+int __glXGetVisualConfigs(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;

+    xGLXGetVisualConfigsReply reply;

+    __GLXscreenInfo *pGlxScreen;

+    __GLXvisualConfig *pGlxVisual;

+    CARD32 buf[__GLX_TOTAL_CONFIG];

+    unsigned int screen;

+    int i, p;

+

+    screen = req->screen;

+    if (screen > screenInfo.numScreens) {

+	/* The client library must send a valid screen number. */

+	client->errorValue = screen;

+	return BadValue;

+    }

+    pGlxScreen = &__glXActiveScreens[screen];

+

+    reply.numVisuals = pGlxScreen->numGLXVisuals;

+    reply.numProps = __GLX_TOTAL_CONFIG;

+    reply.length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 *

+		    __GLX_TOTAL_CONFIG) >> 2;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+

+    WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);

+

+    for (i=0; i < pGlxScreen->numVisuals; i++) {

+	pGlxVisual = &pGlxScreen->pGlxVisual[i];

+	if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) {

+	    /* not a usable visual */

+	    continue;

+	}

+	p = 0;

+	buf[p++] = pGlxVisual->vid;

+	buf[p++] = pGlxVisual->class;

+	buf[p++] = pGlxVisual->rgba;

+

+	buf[p++] = pGlxVisual->redSize;

+	buf[p++] = pGlxVisual->greenSize;

+	buf[p++] = pGlxVisual->blueSize;

+	buf[p++] = pGlxVisual->alphaSize;

+	buf[p++] = pGlxVisual->accumRedSize;

+	buf[p++] = pGlxVisual->accumGreenSize;

+	buf[p++] = pGlxVisual->accumBlueSize;

+	buf[p++] = pGlxVisual->accumAlphaSize;

+

+	buf[p++] = pGlxVisual->doubleBuffer;

+	buf[p++] = pGlxVisual->stereo;

+

+	buf[p++] = pGlxVisual->bufferSize;

+	buf[p++] = pGlxVisual->depthSize;

+	buf[p++] = pGlxVisual->stencilSize;

+	buf[p++] = pGlxVisual->auxBuffers;

+	buf[p++] = pGlxVisual->level;

+	/* 

+	** Add token/value pairs for extensions.

+	*/

+	buf[p++] = GLX_VISUAL_CAVEAT_EXT;

+	buf[p++] = pGlxVisual->visualRating;

+	buf[p++] = GLX_TRANSPARENT_TYPE_EXT;

+	buf[p++] = pGlxVisual->transparentPixel;

+	buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT;

+	buf[p++] = pGlxVisual->transparentRed;

+	buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT;

+	buf[p++] = pGlxVisual->transparentGreen;

+	buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT;

+	buf[p++] = pGlxVisual->transparentBlue;

+	buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT;

+	buf[p++] = pGlxVisual->transparentAlpha;

+	buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT;

+	buf[p++] = pGlxVisual->transparentIndex;

+	buf[p++] = GLX_SAMPLES_SGIS;

+	buf[p++] = pGlxVisual->multiSampleSize;

+	buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;

+	buf[p++] = pGlxVisual->nMultiSampleBuffers;

+	buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;

+	buf[p++] = pGlxVisual->visualSelectGroup;

+

+	WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG, 

+		(char *)buf);

+    }

+    return Success;

+}

+

+/*

+** Create a GLX Pixmap from an X Pixmap.

+*/

+static int CreateGLXPixmap(__GLXclientState *cl,

+                    VisualID visual, GLXFBConfigID fbconfigId,

+		    int screenNum, XID pixmapId, XID glxpixmapId )

+{

+    ClientPtr client = cl->client;

+    xGLXCreateGLXPixmapReq *be_req;

+    xGLXCreatePixmapReq *be_new_req;

+    DrawablePtr pDraw;

+    ScreenPtr pScreen;

+    VisualPtr pVisual;

+    __GLXpixmap *pGlxPixmap;

+    __GLXscreenInfo *pGlxScreen;

+    __GLXvisualConfig *pGlxVisual;

+    __GLXFBConfig *pFBConfig;

+    int i, s, rc;

+    int from_screen, to_screen;

+#ifdef PANORAMIX

+    PanoramiXRes *pXinDraw = NULL;

+#endif

+

+    rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP,

+			   DixAddAccess);

+    if (rc != Success)

+	return rc;

+

+    /*

+    ** Check if screen of visual matches screen of pixmap.

+    */

+    pScreen = pDraw->pScreen;

+    if (screenNum != pScreen->myNum) {

+	return BadMatch;

+    }

+

+    if (fbconfigId == NULL && visual == NULL) {

+	  return BadValue;

+    }

+

+    if (fbconfigId != None) {

+       pFBConfig = glxLookupFBConfig( fbconfigId );

+       if (!pFBConfig) {

+	  client->errorValue = fbconfigId;

+	  return BadValue;

+       }

+       visual = pFBConfig->associatedVisualId;

+    }

+    else {

+       pFBConfig = NULL;

+    }

+

+    if (visual != None) {

+       /*

+	** Find the VisualRec for this visual.

+	*/

+       pVisual = pScreen->visuals;

+       for (i=0; i < pScreen->numVisuals; i++, pVisual++) {

+	  if (pVisual->vid == visual) {

+	     break;

+	  }

+       }

+       if (i == pScreen->numVisuals) {

+	  client->errorValue = visual;

+	  return BadValue;

+       }

+       /*

+	** Check if depth of visual matches depth of pixmap.

+	*/

+       if (pVisual->nplanes != pDraw->depth) {

+	  client->errorValue = visual;

+	  return BadMatch;

+       }

+

+       /*

+	** Get configuration of the visual.

+	*/

+       pGlxScreen = &__glXActiveScreens[screenNum];

+       pGlxVisual = pGlxScreen->pGlxVisual;

+       for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {

+	  if (pGlxVisual->vid == visual) {

+	     break;

+	  }

+       }

+       if (i == pGlxScreen->numVisuals) {

+	  /*

+	   ** Visual not support on this screen by this OpenGL implementation.

+	   */

+	  client->errorValue = visual;

+	  return BadValue;

+       }

+

+

+       /* find the FBConfig for that visual (if any) */

+       if ( pFBConfig == NULL ) {

+	   pFBConfig = glxLookupFBConfigByVID( visual );

+

+	   if ( pFBConfig == NULL ) {

+	      /*

+               * visual does not have an FBConfig ???

+	      client->errorValue = visual;

+	      return BadValue;

+	       */

+	   }

+       }

+    }

+    else {

+       pVisual = NULL;

+       pGlxVisual = NULL;

+    }

+

+    pGlxPixmap = (__GLXpixmap *) __glXMalloc(sizeof(__GLXpixmap));

+    if (!pGlxPixmap) {

+	return BadAlloc;

+    }

+    pGlxPixmap->be_xids = (XID *) __glXMalloc(sizeof(XID) * screenInfo.numScreens);

+    if (!pGlxPixmap->be_xids) {

+        __glXFree( pGlxPixmap );

+	return BadAlloc;

+    }

+

+    pGlxPixmap->pDraw = pDraw;

+    pGlxPixmap->pGlxScreen = pGlxScreen;

+    pGlxPixmap->pGlxVisual = pGlxVisual;

+    pGlxPixmap->pFBConfig = pFBConfig;

+    pGlxPixmap->pScreen = pScreen;

+    pGlxPixmap->idExists = True;

+    pGlxPixmap->refcnt = 0;

+

+    /*

+    ** Bump the ref count on the X pixmap so it won't disappear.

+    */

+    ((PixmapPtr) pDraw)->refcnt++;

+

+    /*

+     * send the request to the back-end server(s)

+     */

+    from_screen = to_screen = screenNum;

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+

+       pXinDraw = (PanoramiXRes *)

+	  SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+       Pixmap  be_pixmap;

+       DrawablePtr pRealDraw = pDraw;

+

+#ifdef PANORAMIX

+       if (pXinDraw) {

+	   dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0,

+			     DixAddAccess);

+       }

+#endif

+

+       be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr)pRealDraw))->pixmap;

+

+       /* make sure pixmap already created on back-end */

+       dmxSync( dmxScreen, 1 );

+

+       if ( pFBConfig && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+       	  __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );

+	  

+	  LockDisplay(dpy);

+	  pGlxPixmap->be_xids[s] = XAllocID(dpy);

+	  GetReq(GLXCreatePixmap,be_new_req);

+	  be_new_req->reqType = dmxScreen->glxMajorOpcode;

+	  be_new_req->glxCode = X_GLXCreatePixmap;

+	  be_new_req->screen = DefaultScreen(dpy);

+	  be_new_req->fbconfig = be_FBConfig->id;

+	  be_new_req->pixmap = (unsigned int)be_pixmap;

+	  be_new_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];

+	  be_new_req->numAttribs = 0;

+	  UnlockDisplay(dpy);

+	  SyncHandle();

+       }

+       else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) {

+	  __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );

+	  xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req;

+	  xGLXVendorPrivateReq *vpreq;

+	  

+	  LockDisplay(dpy);

+	  pGlxPixmap->be_xids[s] = XAllocID(dpy);

+	  GetReqExtra(GLXVendorPrivate,

+		      sz_xGLXCreateGLXPixmapWithConfigSGIXReq-sz_xGLXVendorPrivateReq,

+		      vpreq);

+	  ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *)vpreq;

+	  ext_req->reqType = dmxScreen->glxMajorOpcode;

+	  ext_req->glxCode = X_GLXVendorPrivate;

+	  ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX;

+	  ext_req->screen = DefaultScreen(dpy);

+	  ext_req->fbconfig = be_FBConfig->id;

+	  ext_req->pixmap = (unsigned int)be_pixmap;

+	  ext_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];

+	  UnlockDisplay(dpy);

+	  SyncHandle();

+       }

+       else if (pGlxVisual) {

+	  LockDisplay(dpy);

+	  pGlxPixmap->be_xids[s] = XAllocID(dpy);

+	  GetReq(GLXCreateGLXPixmap,be_req);

+	  be_req->reqType = dmxScreen->glxMajorOpcode;

+	  be_req->glxCode = X_GLXCreateGLXPixmap;

+	  be_req->screen = DefaultScreen(dpy);

+	  be_req->visual = (unsigned int)glxMatchGLXVisualInConfigList( 

+	 	pGlxVisual,

+		dmxScreen->glxVisuals,

+		dmxScreen->numGlxVisuals );

+   	  be_req->pixmap = (unsigned int)be_pixmap;

+      	  be_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];

+	  UnlockDisplay(dpy);

+	  SyncHandle();

+       }

+       else {

+	  client->errorValue = ( visual ? visual : fbconfigId );

+          __glXFree( pGlxPixmap );

+	  return BadValue;

+       }

+

+       XFlush( dpy );

+    }

+

+    if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) {

+        __glXFree( pGlxPixmap );

+	return BadAlloc;

+    }

+

+    return Success;

+}

+

+int __glXCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;

+

+    return( CreateGLXPixmap(cl, req->visual, None,

+	                    req->screen, req->pixmap, req->glxpixmap) );

+}

+

+int __glXCreatePixmap(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;

+

+    return( CreateGLXPixmap(cl, None, req->fbconfig,

+	                    req->screen, req->pixmap, req->glxpixmap) );

+}

+

+int __glXDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;

+    XID glxpixmap = req->glxpixmap;

+    __GLXpixmap *pGlxPixmap;

+    int s;

+    int from_screen, to_screen;

+

+    /*

+    ** Check if it's a valid GLX pixmap.

+    */

+    pGlxPixmap = (__GLXpixmap *)LookupIDByType(glxpixmap, __glXPixmapRes);

+    if (!pGlxPixmap) {

+	client->errorValue = glxpixmap;

+	return __glXBadPixmap;

+    }

+    FreeResource(glxpixmap, FALSE);

+

+    /*

+     * destroy the pixmap on the back-end server(s).

+     */

+    from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum;

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       /* make sure pixmap exist in back-end */

+       dmxSync( dmxScreen, 1 );

+

+       LockDisplay(dpy);

+       GetReq(GLXDestroyGLXPixmap,req);

+       req->reqType = dmxScreen->glxMajorOpcode;

+       req->glxCode = X_GLXDestroyGLXPixmap;

+       req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    

+    return Success;

+}

+

+/*****************************************************************************/

+

+/*

+** NOTE: There is no portable implementation for swap buffers as of

+** this time that is of value.  Consequently, this code must be

+** implemented by somebody other than SGI.

+*/

+int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag)

+{

+    ClientPtr client = cl->client;

+    DrawablePtr pDraw;

+    xGLXSwapBuffersReq *be_req;

+    WindowPtr pWin = NULL;

+    __GLXpixmap *pGlxPixmap = NULL;

+    __GLXcontext *glxc = NULL;

+#ifdef PANORAMIX

+    PanoramiXRes *pXinDraw = NULL;

+#endif

+    __glXWindow *pGlxWindow = NULL;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s, rc;

+    

+    /*

+    ** Check that the GLX drawable is valid.

+    */

+    rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);

+    if (rc == Success) {

+        from_screen = to_screen = pDraw->pScreen->myNum;

+

+	if (pDraw->type == DRAWABLE_WINDOW) {

+	    /*

+	    ** Drawable is an X window.

+	    */

+	   pWin = (WindowPtr)pDraw;

+	} else {

+	    /*

+	    ** Drawable is an X pixmap, which is not allowed.

+	    */

+	    client->errorValue = drawId;

+	    return __glXBadDrawable;

+	}

+    } 

+

+    if (!pDraw) {

+	pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,

+						    __glXPixmapRes);

+	if (pGlxPixmap) {

+	    /*

+	    ** Drawable is a GLX pixmap.

+	    */

+	   pDraw = pGlxPixmap->pDraw;

+	   from_screen = to_screen = pGlxPixmap->pScreen->myNum;

+	}

+    }

+

+    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+       pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);

+       if (pGlxWindow) {

+	  /*

+	   ** Drawable is a GLXWindow.

+	   */

+	  pDraw = pGlxWindow->pDraw;

+	  from_screen = to_screen = pGlxWindow->pScreen->myNum;

+       }

+    }

+

+    if (!pDraw) {

+       /*

+	** Drawable is neither a X window nor a GLX pixmap.

+	*/

+       client->errorValue = drawId;

+       return __glXBadDrawable;

+    }

+

+    if (tag) {

+	glxc = __glXLookupContextByTag(cl, tag);

+	if (!glxc) {

+	    return __glXBadContextTag;

+	}

+    }

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+       pXinDraw = (PanoramiXRes *)

+        SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);

+    }

+#endif

+

+    /* If requested, send a glFinish to all back-end servers before swapping. */

+    if (dmxGLXFinishSwap) {

+	for (s=from_screen; s<=to_screen; s++) {

+	    Display *dpy = GetBackEndDisplay(cl,s);

+	    DMXScreenInfo *dmxScreen = &dmxScreens[s];

+	    xGLXSingleReq *finishReq;

+	    xGLXSingleReply reply;

+

+#define X_GLXSingle 0    /* needed by GetReq below */

+

+	    LockDisplay(dpy);

+	    GetReq(GLXSingle,finishReq);

+	    finishReq->reqType = dmxScreen->glxMajorOpcode;

+	    finishReq->glxCode = X_GLsop_Finish;

+	    finishReq->contextTag = (tag ? GetCurrentBackEndTag(cl,tag,s) : 0);

+	    (void) _XReply(dpy, (xReply*) &reply, 0, False);

+	    UnlockDisplay(dpy);

+	    SyncHandle();

+	}

+    }

+

+    /* If requested, send an XSync to all back-end servers before swapping. */

+    if (dmxGLXSyncSwap) {

+	for (s=from_screen; s<=to_screen; s++)

+	    XSync(GetBackEndDisplay(cl,s), False);

+    }

+

+

+    /* send the SwapBuffers request to all back-end servers */

+

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+       unsigned int be_draw = 0;

+

+       if (pGlxPixmap) {

+	  be_draw = (unsigned int)pGlxPixmap->be_xids[s];

+       }

+#ifdef PANORAMIX

+       else if (pXinDraw) {

+	  dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);

+       }

+#endif

+       else if (pGlxWindow) {

+	  pWin = (WindowPtr)pGlxWindow->pDraw;

+       }

+

+       if (pWin && !be_draw) {

+	   be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   if (!be_draw) {

+	      /* it might be that the window did not created yet on the */

+	      /* back-end server (lazy window creation option), force   */

+	      /* creation of the window */

+	      dmxCreateAndRealizeWindow( pWin, TRUE );

+	      be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   }

+       }

+

+       dmxSync( dmxScreen, 1 );

+

+       LockDisplay(dpy);

+       GetReq(GLXSwapBuffers,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXSwapBuffers;

+       be_req->drawable = be_draw;

+       be_req->contextTag = ( tag ? GetCurrentBackEndTag(cl,tag,s) : 0 );

+       UnlockDisplay(dpy);

+       SyncHandle();

+       XFlush(dpy);

+    }

+

+    return Success;

+}

+

+int __glXSwapBuffers(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    DrawablePtr pDraw;

+    xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;

+    GLXContextTag tag = req->contextTag;

+    XID drawId = req->drawable;

+    __GLXpixmap *pGlxPixmap = NULL;

+    __GLXcontext *glxc = NULL;

+    __glXWindow *pGlxWindow = NULL;

+    int rc;

+    

+    /*

+    ** Check that the GLX drawable is valid.

+    */

+    rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);

+    if (rc == Success) {

+	if (pDraw->type != DRAWABLE_WINDOW) {

+	    /*

+	    ** Drawable is an X pixmap, which is not allowed.

+	    */

+	    client->errorValue = drawId;

+	    return __glXBadDrawable;

+	}

+    } 

+

+    if (!pDraw) {

+	pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,

+						    __glXPixmapRes);

+	if (pGlxPixmap) {

+	    /*

+	    ** Drawable is a GLX pixmap.

+	    */

+	   pDraw = pGlxPixmap->pDraw;

+	}

+    }

+

+    if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {

+       pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);

+       if (pGlxWindow) {

+	  /*

+	   ** Drawable is a GLXWindow.

+	   */

+	  pDraw = pGlxWindow->pDraw;

+       }

+    }

+

+    if (!pDraw) {

+       /*

+	** Drawable is neither a X window nor a GLX pixmap.

+	*/

+       client->errorValue = drawId;

+       return __glXBadDrawable;

+    }

+

+    if (tag) {

+	glxc = __glXLookupContextByTag(cl, tag);

+	if (!glxc) {

+	    return __glXBadContextTag;

+	}

+    }

+

+    if (pDraw &&

+	pDraw->type == DRAWABLE_WINDOW &&

+	DMX_GET_WINDOW_PRIV((WindowPtr)pDraw)->swapGroup) {

+	return SGSwapBuffers(cl, drawId, tag, pDraw);

+    }

+

+    return __glXDoSwapBuffers(cl, drawId, tag);

+}

+

+

+/************************************************************************/

+

+/*

+** Render and Renderlarge are not in the GLX API.  They are used by the GLX

+** client library to send batches of GL rendering commands.

+*/

+

+/*

+** Execute all the drawing commands in a request.

+*/

+int __glXRender(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXRenderReq *req;

+    xGLXRenderReq *be_req;

+    int size;

+    __GLXcontext *glxc;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+

+    /*

+    ** NOTE: much of this code also appears in the byteswapping version of this

+    ** routine, __glXSwapRender().  Any changes made here should also be

+    ** duplicated there.

+    */

+    

+    req = (xGLXRenderReq *) pc;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXRenderReq;

+    size = (req->length << 2) - sz_xGLXRenderReq;

+

+    /*

+     * just forward the request to back-end server(s)

+     */

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReq(GLXRender,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXRender;

+       be_req->length = req->length;

+       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+       _XSend(dpy, (const char *)pc, size);

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    return Success;

+}

+

+/*

+** Execute a large rendering request (one that spans multiple X requests).

+*/

+int __glXRenderLarge(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXRenderLargeReq *req;

+    xGLXRenderLargeReq *be_req;

+    __GLXcontext *glxc;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+

+    /*

+    ** NOTE: much of this code also appears in the byteswapping version of this

+    ** routine, __glXSwapRenderLarge().  Any changes made here should also be

+    ** duplicated there.

+    */

+    

+    req = (xGLXRenderLargeReq *) pc;

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXRenderLargeReq;

+

+    /*

+     * just forward the request to back-end server(s)

+     */

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       GetReq(GLXRenderLarge,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXRenderLarge;

+       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+       be_req->length = req->length;

+       be_req->requestNumber = req->requestNumber;

+       be_req->requestTotal = req->requestTotal;

+       be_req->dataBytes = req->dataBytes;

+       Data(dpy, (const char *)pc, req->dataBytes);

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+    }

+

+    return Success;

+}

+

+

+/************************************************************************/

+

+int __glXVendorPrivate(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXVendorPrivateReq *req;

+

+    req = (xGLXVendorPrivateReq *) pc;

+

+    switch( req->vendorCode ) {

+

+       case X_GLvop_DeleteTexturesEXT:

+	  return __glXVForwardSingleReq( cl, pc );

+	  break;

+

+       case X_GLXvop_SwapIntervalSGI:

+	  if (glxIsExtensionSupported("SGI_swap_control")) {

+	     return __glXVForwardSingleReq( cl, pc );

+	  }

+	  else {

+	     return Success;

+	  }

+	  break;

+

+#if 0 /* glx 1.3 */

+       case X_GLXvop_CreateGLXVideoSourceSGIX:

+	  break;

+       case X_GLXvop_DestroyGLXVideoSourceSGIX:

+	  break;

+       case X_GLXvop_CreateGLXPixmapWithConfigSGIX:

+	  break;

+       case X_GLXvop_DestroyGLXPbufferSGIX:

+	  break;

+       case X_GLXvop_ChangeDrawableAttributesSGIX:

+	  break;

+#endif

+

+       case X_GLXvop_BindSwapBarrierSGIX:

+	  return __glXBindSwapBarrierSGIX( cl, pc );

+	  break;

+

+       case X_GLXvop_JoinSwapGroupSGIX:

+	  return __glXJoinSwapGroupSGIX( cl, pc );

+	  break;

+

+       case X_GLXvop_CreateContextWithConfigSGIX:

+	  return __glXCreateContextWithConfigSGIX( cl, pc );

+	  break;

+

+       default:

+	  /*

+	   ** unsupported private request

+	   */

+	  cl->client->errorValue = req->vendorCode;

+	  return __glXUnsupportedPrivateRequest;

+    }

+

+    cl->client->errorValue = req->vendorCode;

+    return __glXUnsupportedPrivateRequest;

+

+}

+

+int __glXVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXVendorPrivateWithReplyReq *req;

+

+    req = (xGLXVendorPrivateWithReplyReq *) pc;

+

+    switch( req->vendorCode ) {

+

+       case X_GLvop_GetConvolutionFilterEXT:

+       case X_GLvop_GetConvolutionParameterfvEXT:

+       case X_GLvop_GetConvolutionParameterivEXT:

+       case X_GLvop_GetSeparableFilterEXT:

+       case X_GLvop_GetHistogramEXT:

+       case X_GLvop_GetHistogramParameterivEXT:

+       case X_GLvop_GetMinmaxEXT:

+       case X_GLvop_GetMinmaxParameterfvEXT:

+       case X_GLvop_GetMinmaxParameterivEXT:

+       case X_GLvop_AreTexturesResidentEXT:

+       case X_GLvop_IsTextureEXT:

+	  return( __glXVForwardPipe0WithReply(cl, pc) );

+	  break;

+

+       case X_GLvop_GenTexturesEXT:

+	  return( __glXVForwardAllWithReply(cl, pc) );

+	  break;

+

+

+#if 0 /* glx1.3 */

+       case X_GLvop_GetDetailTexFuncSGIS:

+       case X_GLvop_GetSharpenTexFuncSGIS:

+       case X_GLvop_GetColorTableSGI:

+       case X_GLvop_GetColorTableParameterfvSGI:

+       case X_GLvop_GetColorTableParameterivSGI:

+       case X_GLvop_GetTexFilterFuncSGIS:

+       case X_GLvop_GetInstrumentsSGIX:

+       case X_GLvop_InstrumentsBufferSGIX:

+       case X_GLvop_PollInstrumentsSGIX:

+       case X_GLvop_FlushRasterSGIX:

+       case X_GLXvop_CreateGLXPbufferSGIX:

+       case X_GLXvop_GetDrawableAttributesSGIX:

+       case X_GLXvop_QueryHyperpipeNetworkSGIX:

+       case X_GLXvop_QueryHyperpipeConfigSGIX:

+       case X_GLXvop_HyperpipeConfigSGIX:

+       case X_GLXvop_DestroyHyperpipeConfigSGIX:

+#endif

+       case X_GLXvop_QueryMaxSwapBarriersSGIX:

+	  return( __glXQueryMaxSwapBarriersSGIX(cl, pc) );

+	  break;

+

+       case X_GLXvop_GetFBConfigsSGIX:

+	  return( __glXGetFBConfigsSGIX(cl, pc) );

+	  break;

+

+       case X_GLXvop_MakeCurrentReadSGI:

+	  return( __glXMakeCurrentReadSGI(cl, pc) );

+	  break;

+

+       case X_GLXvop_QueryContextInfoEXT:

+	  return( __glXQueryContextInfoEXT(cl,pc) );

+	  break;

+

+       default:

+	  /*

+	   ** unsupported private request

+	   */

+	  cl->client->errorValue = req->vendorCode;

+	  return __glXUnsupportedPrivateRequest;

+    }

+

+}

+

+int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;

+    xGLXQueryExtensionsStringReply reply;

+    GLint screen;

+    size_t length;

+    int len, numbytes;

+    char *be_buf;

+

+#ifdef FWD_QUERY_REQ

+    xGLXQueryExtensionsStringReq *be_req;

+    xGLXQueryExtensionsStringReply be_reply;

+    DMXScreenInfo *dmxScreen;

+    Display *dpy;

+    int slop;

+#endif

+

+    screen = req->screen;

+

+    /*

+    ** Check if screen exists.

+    */

+    if ((screen < 0) || (screen >= screenInfo.numScreens)) {

+	client->errorValue = screen;

+	return BadValue;

+    }

+

+#ifdef FWD_QUERY_REQ

+    dmxScreen = &dmxScreens[screen];

+

+    /* Send the glXQueryServerString request */

+    dpy = GetBackEndDisplay(cl,screen);

+    LockDisplay(dpy);

+    GetReq(GLXQueryExtensionsString,be_req);

+    be_req->reqType = dmxScreen->glxMajorOpcode;

+    be_req->glxCode = X_GLXQueryServerString;

+    be_req->screen = DefaultScreen(dpy);

+    _XReply(dpy, (xReply*) &be_reply, 0, False);

+    len = (int)be_reply.length;

+    numbytes = (int)be_reply.n;

+    slop = numbytes * __GLX_SIZE_INT8 & 3;

+    be_buf = (char *)malloc(numbytes);

+    if (!be_buf) {

+        /* Throw data on the floor */

+        _XEatData(dpy, len);

+    } else {

+        _XRead(dpy, (char *)be_buf, numbytes);

+        if (slop) _XEatData(dpy,4-slop);

+    }

+    UnlockDisplay(dpy);

+    SyncHandle();

+

+#else

+

+    be_buf = __glXGetServerString(GLX_EXTENSIONS);

+    numbytes = strlen(be_buf) + 1;

+    len = __GLX_PAD(numbytes) >> 2;

+

+#endif

+

+    length = len;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = len;

+    reply.n = numbytes;

+

+    if (client->swapped) {

+        glxSwapQueryExtensionsStringReply(client, &reply, be_buf);

+    } else {

+        WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);

+        WriteToClient(client, (int)(length << 2), (char *)be_buf);

+    }

+

+    return Success;

+}

+

+int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;

+    xGLXQueryServerStringReply reply;

+    int name;

+    GLint screen;

+    size_t length;

+    int len, numbytes;

+    char *be_buf;

+#ifdef FWD_QUERY_REQ

+    xGLXQueryServerStringReq *be_req;

+    xGLXQueryServerStringReply be_reply;

+    DMXScreenInfo *dmxScreen;

+    Display *dpy;

+    int  slop;

+#endif

+

+    name = req->name;

+    screen = req->screen;

+    /*

+    ** Check if screen exists.

+    */

+    if ((screen < 0) || (screen >= screenInfo.numScreens)) {

+	client->errorValue = screen;

+	return BadValue;

+    }

+

+#ifdef FWD_QUERY_REQ

+    dmxScreen = &dmxScreens[screen];

+

+    /* Send the glXQueryServerString request */

+    dpy = GetBackEndDisplay(cl,screen);

+    LockDisplay(dpy);

+    GetReq(GLXQueryServerString,be_req);

+    be_req->reqType = dmxScreen->glxMajorOpcode;

+    be_req->glxCode = X_GLXQueryServerString;

+    be_req->screen = DefaultScreen(dpy);

+    be_req->name = name;

+    _XReply(dpy, (xReply*) &be_reply, 0, False);

+    len = (int)be_reply.length;

+    numbytes = (int)be_reply.n;

+    slop = numbytes * __GLX_SIZE_INT8 & 3;

+    be_buf = (char *)malloc(numbytes);

+    if (!be_buf) {

+        /* Throw data on the floor */

+        _XEatData(dpy, len);

+    } else {

+        _XRead(dpy, (char *)be_buf, numbytes);

+        if (slop) _XEatData(dpy,4-slop);

+    }

+    UnlockDisplay(dpy);

+    SyncHandle();

+

+#else

+    be_buf = __glXGetServerString(name);

+    numbytes = strlen(be_buf) + 1;

+    len = __GLX_PAD(numbytes) >> 2;

+#endif

+

+    length = len;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = length;

+    reply.n = numbytes;

+

+    if (client->swapped) {

+        glxSwapQueryServerStringReply(client, &reply, be_buf);

+    } else {

+        WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);

+        WriteToClient(client, (int)(length << 2), be_buf);

+    }

+

+    return Success;

+}

+

+int __glXClientInfo(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;

+    xGLXClientInfoReq *be_req;

+    const char *buf;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+   

+    cl->GLClientmajorVersion = req->major;

+    cl->GLClientminorVersion = req->minor;

+    if (cl->GLClientextensions) __glXFree(cl->GLClientextensions);

+    buf = (const char *)(req+1);

+    cl->GLClientextensions = strdup(buf);

+

+    to_screen = screenInfo.numScreens - 1;

+

+    for (s=from_screen; s<=to_screen; s++)

+    {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReq(GLXClientInfo,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXClientInfo;

+       be_req->major = req->major;

+       be_req->minor = req->minor;

+       be_req->length = req->length;

+       be_req->numbytes = req->numbytes;

+       Data(dpy, buf, req->numbytes);

+

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    return Success;

+}

+

+int __glXUseXFont(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXUseXFontReq *req;

+    xGLXUseXFontReq *be_req;

+    FontPtr pFont;

+    __GLXcontext *glxc = NULL;

+    int from_screen = 0;

+    int to_screen = 0;

+    int s;

+    dmxFontPrivPtr  pFontPriv;

+    DMXScreenInfo *dmxScreen;

+    Display *dpy;

+

+    req = (xGLXUseXFontReq *) pc;

+

+    if (req->contextTag != 0) {

+	glxc = __glXLookupContextByTag(cl, req->contextTag);

+	if (glxc) {

+	   from_screen = to_screen = glxc->pScreen->myNum;

+	}

+    }

+

+    /*

+    ** Font can actually be either the ID of a font or the ID of a GC

+    ** containing a font.

+    */

+    pFont = (FontPtr)LookupIDByType(req->font, RT_FONT);

+    if (!pFont) {

+        GC *pGC = (GC *)LookupIDByType(req->font, RT_GC);

+        if (!pGC) {

+	    client->errorValue = req->font;

+            return BadFont;

+	}

+	pFont = pGC->font;

+    }

+

+    pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex);

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+

+    for (s=from_screen; s<=to_screen; s++) {

+       dmxScreen = &dmxScreens[s];

+       dpy = GetBackEndDisplay(cl,s);

+

+       dmxSync( dmxScreen, 1 );

+

+       LockDisplay(dpy);

+       GetReq(GLXUseXFont,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXUseXFont;

+       be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);

+       be_req->font = pFontPriv->font[s]->fid;

+       be_req->first = req->first;

+       be_req->count = req->count;

+       be_req->listBase = req->listBase;

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       XSync( dpy, False );

+    }

+

+    return Success;

+}

+

+/*

+ * start GLX 1.3 here

+ */

+

+int __glXGetFBConfigs(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;

+    xGLXGetFBConfigsReply reply;

+    __GLXFBConfig *pFBConfig;

+    CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS];

+    int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS;

+    unsigned int screen = req->screen;

+    int numFBConfigs, i, p;

+    __GLXscreenInfo *pGlxScreen;

+

+    if (screen > screenInfo.numScreens) {

+	/* The client library must send a valid screen number. */

+	client->errorValue = screen;

+	return BadValue;

+    }

+

+    pGlxScreen = &__glXActiveScreens[screen];

+    numFBConfigs = __glXNumFBConfigs;

+

+    reply.numFBConfigs = numFBConfigs;

+    reply.numAttribs = numAttribs;

+    reply.length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+

+    if (client->swapped) {

+	__GLX_DECLARE_SWAP_VARIABLES;

+	__GLX_SWAP_SHORT(&reply.sequenceNumber);

+	__GLX_SWAP_INT(&reply.length);

+	__GLX_SWAP_INT(&reply.numFBConfigs);

+	__GLX_SWAP_INT(&reply.numAttribs);

+    }

+    WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);

+

+    for (i=0; i < numFBConfigs; i++) {

+       int associatedVisualId = 0;

+       int drawableTypeIndex;

+       pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1) ];

+

+	p = 0;

+	/* core attributes */

+	buf[p++] = GLX_FBCONFIG_ID;

+	buf[p++] = pFBConfig->id;

+	buf[p++] = GLX_BUFFER_SIZE;

+	buf[p++] = pFBConfig->indexBits;

+	buf[p++] = GLX_LEVEL;

+	buf[p++] = pFBConfig->level;

+	buf[p++] = GLX_DOUBLEBUFFER;

+	buf[p++] = pFBConfig->doubleBufferMode;

+	buf[p++] = GLX_STEREO;

+	buf[p++] = pFBConfig->stereoMode;

+	buf[p++] = GLX_AUX_BUFFERS;

+	buf[p++] = pFBConfig->maxAuxBuffers;

+	buf[p++] = GLX_RED_SIZE;

+	buf[p++] = pFBConfig->redBits;

+	buf[p++] = GLX_GREEN_SIZE;

+	buf[p++] = pFBConfig->greenBits;

+	buf[p++] = GLX_BLUE_SIZE;

+	buf[p++] = pFBConfig->blueBits;

+	buf[p++] = GLX_ALPHA_SIZE;

+	buf[p++] = pFBConfig->alphaBits;

+	buf[p++] = GLX_DEPTH_SIZE;

+	buf[p++] = pFBConfig->depthBits;

+	buf[p++] = GLX_STENCIL_SIZE;

+	buf[p++] = pFBConfig->stencilBits;

+	buf[p++] = GLX_ACCUM_RED_SIZE;

+	buf[p++] = pFBConfig->accumRedBits;

+	buf[p++] = GLX_ACCUM_GREEN_SIZE;

+	buf[p++] = pFBConfig->accumGreenBits;

+	buf[p++] = GLX_ACCUM_BLUE_SIZE;

+	buf[p++] = pFBConfig->accumBlueBits;

+	buf[p++] = GLX_ACCUM_ALPHA_SIZE;

+	buf[p++] = pFBConfig->accumAlphaBits;

+	buf[p++] = GLX_RENDER_TYPE;

+	buf[p++] = pFBConfig->renderType;

+	buf[p++] = GLX_DRAWABLE_TYPE;

+	drawableTypeIndex = p;

+	buf[p++] = pFBConfig->drawableType;

+	buf[p++] = GLX_X_VISUAL_TYPE;

+	buf[p++] = pFBConfig->visualType;

+	buf[p++] = GLX_CONFIG_CAVEAT;

+	buf[p++] = pFBConfig->visualCaveat;

+	buf[p++] = GLX_TRANSPARENT_TYPE;

+	buf[p++] = pFBConfig->transparentType;

+	buf[p++] = GLX_TRANSPARENT_RED_VALUE;

+	buf[p++] = pFBConfig->transparentRed;

+	buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;

+	buf[p++] = pFBConfig->transparentGreen;

+	buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;

+	buf[p++] = pFBConfig->transparentBlue;

+	buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;

+	buf[p++] = pFBConfig->transparentAlpha;

+	buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;

+	buf[p++] = pFBConfig->transparentIndex;

+	buf[p++] = GLX_MAX_PBUFFER_WIDTH;

+	buf[p++] = pFBConfig->maxPbufferWidth;

+	buf[p++] = GLX_MAX_PBUFFER_HEIGHT;

+	buf[p++] = pFBConfig->maxPbufferHeight;

+	buf[p++] = GLX_MAX_PBUFFER_PIXELS;

+	buf[p++] = pFBConfig->maxPbufferPixels;

+

+	/*

+         * find the visual of the back-end server and match a visual

+	 * on the proxy.

+	 * do only once - if a visual is not yet associated.

+	 */

+	if (pFBConfig->associatedVisualId == (unsigned int)-1) {

+	   DMXScreenInfo *dmxScreen = &dmxScreens[screen];

+	   __GLXFBConfig *be_pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1)+screen+1 ];

+	   __GLXvisualConfig *pGlxVisual = NULL;

+	   int v;

+	   int found = 0;

+	   for (v=0; v<dmxScreen->numGlxVisuals; v++) {

+	      if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) {

+		 pGlxVisual = &dmxScreen->glxVisuals[v];

+		 break;

+	      }

+	   }

+

+	   if (pGlxVisual) {

+	      for (v=0; v<pGlxScreen->numVisuals; v++) {

+		 if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) {

+		    associatedVisualId = pGlxScreen->pGlxVisual[v].vid;

+		    found = 1;

+		    break;

+		 }

+	      }

+	   }

+

+	   if (!found) {

+	      associatedVisualId = 0;

+	      pFBConfig->drawableType &= ~(GLX_WINDOW_BIT);

+	      buf[drawableTypeIndex] = pFBConfig->drawableType;

+	   }

+#ifdef PANORAMIX

+	   else if (!noPanoramiXExtension) {

+	      /* convert the associated visualId to the panoramix one */

+	      pFBConfig->associatedVisualId =

+		  PanoramiXTranslateVisualID(screen, v);

+	   }

+#endif

+	}

+	else {

+	   associatedVisualId = pFBConfig->associatedVisualId;

+	}

+

+	buf[p++] = GLX_VISUAL_ID;

+	buf[p++] = associatedVisualId;

+

+	/* SGIS_multisample attributes */

+	buf[p++] = GLX_SAMPLES_SGIS;

+	buf[p++] = pFBConfig->multiSampleSize;

+	buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;

+	buf[p++] = pFBConfig->nMultiSampleBuffers;

+

+	/* SGIX_pbuffer specific attributes */

+	buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX;

+	buf[p++] = pFBConfig->optimalPbufferWidth;

+	buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX;

+	buf[p++] = pFBConfig->optimalPbufferHeight;

+

+	buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;

+	buf[p++] = pFBConfig->visualSelectGroup;

+

+	if (client->swapped) {

+	    __GLX_DECLARE_SWAP_VARIABLES;

+	    __GLX_SWAP_INT_ARRAY((int *)buf, 2*numAttribs);

+	}

+	WriteToClient(client, 2*numAttribs * __GLX_SIZE_CARD32, (char *)buf);

+    }

+    return Success;

+}

+

+int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)

+{

+   xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)pc;

+   xGLXGetFBConfigsReq new_req;

+

+   new_req.reqType = req->reqType;

+   new_req.glxCode = req->glxCode;

+   new_req.length = req->length;

+   new_req.screen = req->screen;

+

+   return( __glXGetFBConfigs( cl, (GLbyte *)&new_req ) );

+}

+

+

+int __glXCreateWindow(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;

+    int screen = req->screen;

+    GLXFBConfigID fbconfigId = req->fbconfig;

+    XID windowId = req->window;

+    XID glxwindowId = req->glxwindow;

+    DrawablePtr pDraw;

+    ScreenPtr pScreen;

+    __glXWindow *pGlxWindow;

+    __GLXFBConfig *pGlxFBConfig = NULL;

+    VisualPtr pVisual;

+    VisualID visId;

+    int i, rc;

+

+    /*

+    ** Check if windowId is valid 

+    */

+    rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW,

+			   DixAddAccess);

+    if (rc != Success)

+	return rc;

+

+    /*

+    ** Check if screen of window matches screen of fbconfig.

+    */

+    pScreen = pDraw->pScreen;

+    if (screen != pScreen->myNum) {

+	return BadMatch;

+    }

+

+    /*

+    ** Find the FBConfigRec for this fbconfigid.

+    */

+    if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {

+	client->errorValue = fbconfigId;

+	return __glXBadFBConfig;

+    }

+    visId = pGlxFBConfig->associatedVisualId;

+

+    /*

+    ** Check if the fbconfig supports rendering to windows 

+    */

+    if( !(pGlxFBConfig->drawableType & GLX_WINDOW_BIT) ) {

+	return BadMatch;	

+    }

+

+    if (visId != None) {

+       /*

+	** Check if the visual ID is valid for this screen.

+	*/

+       pVisual = pScreen->visuals;

+       for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {

+	  if (pVisual->vid == visId) {

+	     break;

+	  }

+       }

+       if (i == pScreen->numVisuals) {

+	  client->errorValue = visId;

+	  return BadValue;

+       }

+	

+        /*

+        ** Check if color buffer depth of fbconfig matches depth 

+	** of window.

+        */

+        if (pVisual->nplanes != pDraw->depth) {

+	    return BadMatch;

+	}

+    } else

+	/*

+	** The window was created with no visual that corresponds

+	** to fbconfig 

+	*/

+	return BadMatch;

+

+    /*

+    ** Check if there is already a fbconfig associated with this window

+    */

+    if ( LookupIDByType(glxwindowId, __glXWindowRes) ) {

+	client->errorValue = glxwindowId;

+	return BadAlloc;

+    }

+

+    pGlxWindow = (__glXWindow *) malloc(sizeof(__glXWindow));

+    if (!pGlxWindow) {

+	return BadAlloc;

+    }

+

+    /*

+    ** Register this GLX window as a resource

+    */

+    if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) {

+	return BadAlloc;

+    }

+

+    pGlxWindow->pDraw = pDraw;

+    pGlxWindow->type = GLX_GLXWINDOW_TYPE;

+    pGlxWindow->idExists = True;

+    pGlxWindow->refcnt = 0;

+    pGlxWindow->pGlxFBConfig = pGlxFBConfig;

+    pGlxWindow->pScreen = pScreen;

+

+    return Success;

+}

+

+int __glXDestroyWindow(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;

+    XID glxwindow = req->glxwindow;

+

+    /*

+    ** Check if it's a valid GLX window.

+    */

+    if (!LookupIDByType(glxwindow, __glXWindowRes)) {

+	client->errorValue = glxwindow;

+	return __glXBadDrawable;

+    }

+    /*

+    ** The glx window destructor will check whether it's current before

+    ** freeing anything.

+    */

+    FreeResource(glxwindow, RT_NONE);	

+

+    return Success;

+}

+

+int __glXQueryContext(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    __GLXcontext *ctx;

+    xGLXQueryContextReq *req;

+    xGLXQueryContextReply reply;

+    int nProps;

+    int *sendBuf, *pSendBuf;

+    int nReplyBytes;

+

+    req = (xGLXQueryContextReq *)pc;

+    ctx = (__GLXcontext *) LookupIDByType(req->context, __glXContextRes);

+    if (!ctx) {

+        client->errorValue = req->context;

+        return __glXBadContext;

+    }

+

+    nProps = 3;

+

+    reply.length = nProps << 1;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.n = nProps;

+

+    nReplyBytes = reply.length << 2;

+    sendBuf = (int *)malloc(nReplyBytes);

+    pSendBuf = sendBuf;

+    *pSendBuf++ = GLX_FBCONFIG_ID;

+    *pSendBuf++ = (int)(ctx->pFBConfig->id);

+    *pSendBuf++ = GLX_RENDER_TYPE;

+    *pSendBuf++ = (int)(ctx->pFBConfig->renderType);

+    *pSendBuf++ = GLX_SCREEN;

+    *pSendBuf++ = (int)(ctx->pScreen->myNum);

+

+    if (client->swapped) {

+        __glXSwapQueryContextReply(client, &reply, sendBuf);

+    } else {

+        WriteToClient(client, sz_xGLXQueryContextReply, (char *)&reply);

+        WriteToClient(client, nReplyBytes, (char *)sendBuf);

+    }

+    free((char *)sendBuf);

+

+    return Success;

+}

+

+int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    __GLXcontext *ctx;

+    xGLXQueryContextInfoEXTReq *req;

+    xGLXQueryContextInfoEXTReply reply;

+    int nProps;

+    int *sendBuf, *pSendBuf;

+    int nReplyBytes;

+

+    req = (xGLXQueryContextInfoEXTReq *)pc;

+    ctx = (__GLXcontext *) SecurityLookupIDByType(client, req->context, __glXContextRes, DixReadAccess);

+    if (!ctx) {

+        client->errorValue = req->context;

+        return __glXBadContext;

+    }

+

+    nProps = 4;

+

+    reply.length = nProps << 1;

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.n = nProps;

+

+    nReplyBytes = reply.length << 2;

+    sendBuf = (int *)malloc(nReplyBytes);

+    pSendBuf = sendBuf;

+    *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;

+    *pSendBuf++ = (int)(ctx->share_id);

+    *pSendBuf++ = GLX_VISUAL_ID_EXT;

+    *pSendBuf++ = (int)(ctx->pVisual ? ctx->pVisual->vid : 0);

+    *pSendBuf++ = GLX_SCREEN_EXT;

+    *pSendBuf++ = (int)(ctx->pScreen->myNum);

+    *pSendBuf++ = GLX_FBCONFIG_ID;

+    *pSendBuf++ = (int)(ctx->pFBConfig ? ctx->pFBConfig->id : 0);

+

+    if (client->swapped) {

+        __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);

+    } else {

+        WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);

+        WriteToClient(client, nReplyBytes, (char *)sendBuf);

+    }

+    free((char *)sendBuf);

+

+    return Success;

+}

+

+int __glXCreatePbuffer(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *)pc;

+    xGLXCreatePbufferReq *be_req;

+    int screen = req->screen;

+    GLXFBConfigID fbconfigId = req->fbconfig;

+    GLXPbuffer pbuffer = req->pbuffer;

+    __glXPbuffer *pGlxPbuffer;

+    int numAttribs = req->numAttribs;

+    int *attr;

+    ScreenPtr pScreen;

+    __GLXFBConfig *pGlxFBConfig;

+    __GLXFBConfig *be_pGlxFBConfig;

+    XID be_xid;

+    Display *dpy;

+    DMXScreenInfo *dmxScreen;

+    int s;

+    int from_screen, to_screen;

+

+   /*

+    ** Look up screen and FBConfig.

+    */

+    if (screen > screenInfo.numScreens) {

+        /* The client library must send a valid screen number. */

+        client->errorValue = screen;

+        return BadValue;

+    }

+    pScreen = screenInfo.screens[screen];

+

+    /*

+    ** Find the FBConfigRec for this fbconfigid.

+    */

+    if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {

+	client->errorValue = fbconfigId;

+	return __glXBadFBConfig;

+    }

+

+    /*

+    ** Create the GLX part of the Pbuffer.

+    */

+    pGlxPbuffer = (__glXPbuffer *) malloc(sizeof(__glXPbuffer));

+    if (!pGlxPbuffer) {

+        return BadAlloc;

+    }

+

+    pGlxPbuffer->be_xids = (XID *) malloc( sizeof(XID) * screenInfo.numScreens );

+    if (!pGlxPbuffer->be_xids) {

+        free(pGlxPbuffer);

+        return BadAlloc;

+    }

+

+    /*

+     * Allocate an XID on the back-end server(s) and send him the request

+     */

+    from_screen = to_screen = screen;

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+       dpy = GetBackEndDisplay(cl,s);

+       be_xid = XAllocID(dpy);

+       dmxScreen = &dmxScreens[s];

+       be_pGlxFBConfig = glxLookupBackEndFBConfig( pGlxFBConfig->id, s );

+       

+       attr = (int *)( req+1 );

+

+       LockDisplay(dpy);

+       GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXCreatePbuffer;

+       be_req->screen = be_pGlxFBConfig->screen;

+       be_req->fbconfig = be_pGlxFBConfig->id;

+       be_req->pbuffer = be_xid;

+       be_req->numAttribs = numAttribs;

+    

+       /* Send attributes */

+       if ( attr != NULL ) {

+	  CARD32 *pc = (CARD32 *)(be_req + 1);

+

+	  while (numAttribs-- > 0) {

+	     *pc++ = *attr++;     /* token */

+	     *pc++ = *attr++;     /* value */

+	  }

+       }

+

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       pGlxPbuffer->be_xids[s] = be_xid;

+    }

+

+

+    pGlxPbuffer->idExists = True;

+    pGlxPbuffer->refcnt = 0;

+    pGlxPbuffer->pFBConfig = pGlxFBConfig;

+    pGlxPbuffer->pScreen = pScreen;

+

+    /*

+    ** Register the resource.

+    */

+    if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) {

+        return BadAlloc;

+    }

+

+    return Success;

+

+}

+

+int __glXDestroyPbuffer(__GLXclientState *cl, GLbyte *pc)

+{

+    ClientPtr client = cl->client;

+    xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;

+    xGLXDestroyPbufferReq *be_req;

+    GLXPbuffer pbuffer = req->pbuffer;

+    Display *dpy;

+    int screen;

+    DMXScreenInfo *dmxScreen;

+    __glXPbuffer *pGlxPbuffer;

+    int s;

+    int from_screen, to_screen;

+

+    /*

+    ** Check if it's a valid Pbuffer

+    */

+    pGlxPbuffer = (__glXPbuffer *)LookupIDByType(pbuffer, __glXPbufferRes);

+    if (!pGlxPbuffer) {

+	client->errorValue = pbuffer;

+	return __glXBadPbuffer;

+    }

+

+    screen = pGlxPbuffer->pScreen->myNum;

+

+    from_screen = to_screen = screen;

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    for (s=from_screen; s<=to_screen; s++) {

+       dpy = GetBackEndDisplay(cl,s);

+       dmxScreen = &dmxScreens[s];

+

+       /* send the destroy request to the back-end server */

+       LockDisplay(dpy);

+       GetReq(GLXDestroyPbuffer, be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = X_GLXDestroyPbuffer;

+       be_req->pbuffer = pGlxPbuffer->be_xids[s];

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    FreeResource(pbuffer, RT_NONE);	

+

+    return Success;

+}

+

+int __glXGetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)

+{

+   xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;

+   xGLXGetDrawableAttributesReq *be_req;

+   xGLXGetDrawableAttributesReply reply;

+   ClientPtr client = cl->client;

+   GLXDrawable drawId = req->drawable;

+   GLXDrawable be_drawable = 0;

+   DrawablePtr pDraw = NULL;

+   Display *dpy;

+   int screen, rc;

+   DMXScreenInfo *dmxScreen;

+   CARD32 *attribs = NULL;

+   int attribs_size;

+#ifdef PANORAMIX

+    PanoramiXRes *pXinDraw = NULL;

+#endif

+

+   if (drawId != None) {

+      rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);

+      if (rc == Success) {

+	 if (pDraw->type == DRAWABLE_WINDOW) {

+		WindowPtr pWin = (WindowPtr)pDraw;

+		be_drawable = 0;

+		screen = pWin->drawable.pScreen->myNum;

+

+	 }

+	 else {

+	    /*

+	     ** Drawable is not a Window , GLXWindow or a GLXPixmap.

+	     */

+	    client->errorValue = drawId;

+	    return __glXBadDrawable;

+	 }

+      }

+

+      if (!pDraw) {

+	 __GLXpixmap *pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,

+							__glXPixmapRes);

+	 if (pGlxPixmap) {

+		pDraw = pGlxPixmap->pDraw;

+		screen = pGlxPixmap->pScreen->myNum;

+                be_drawable = pGlxPixmap->be_xids[screen];

+	 }

+      }

+

+      if (!pDraw) {

+	 __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);

+	 if (pGlxWindow) {

+	    pDraw = pGlxWindow->pDraw;

+	    screen = pGlxWindow->pScreen->myNum;

+	    be_drawable = 0;

+     	 }

+      }

+

+      if (!pDraw) {

+	 __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);

+	 if (pGlxPbuffer) {

+    	    pDraw = (DrawablePtr)pGlxPbuffer;

+	    screen = pGlxPbuffer->pScreen->myNum;

+	    be_drawable = pGlxPbuffer->be_xids[screen];

+	 }

+      }

+

+

+      if (!pDraw) {

+	 /*

+	  ** Drawable is not a Window , GLXWindow or a GLXPixmap.

+	  */

+	 client->errorValue = drawId;

+	 return __glXBadDrawable;

+      }

+    }

+

+

+   /* if the drawable is a window or GLXWindow - 

+    * we need to find the base id on the back-end server

+    */

+   if (!be_drawable) {

+       WindowPtr pWin = (WindowPtr)pDraw;

+

+#ifdef PANORAMIX

+       if (!noPanoramiXExtension) {

+	  pXinDraw = (PanoramiXRes *)

+	     SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);

+	  if (!pXinDraw) {

+	     client->errorValue = drawId;

+	     return __glXBadDrawable;

+	  }

+

+	  dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,

+			  DixReadAccess);

+       }

+#endif

+

+       if (pWin) {

+	   be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   if (!be_drawable) {

+	      /* it might be that the window did not created yet on the */

+	      /* back-end server (lazy window creation option), force   */

+	      /* creation of the window */

+	      dmxCreateAndRealizeWindow( pWin, TRUE );

+	      be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   }

+       }

+       else {

+	  client->errorValue = drawId;

+	  return __glXBadDrawable;

+       }

+   }

+

+

+   /* send the request to the back-end server */

+   dpy = GetBackEndDisplay(cl,screen);

+   dmxScreen = &dmxScreens[screen];

+

+   /* make sure drawable exists on back-end */

+   dmxSync( dmxScreen, 1 );

+

+   LockDisplay(dpy);

+   GetReq(GLXGetDrawableAttributes, be_req);

+   be_req->reqType = dmxScreen->glxMajorOpcode;

+   be_req->glxCode = X_GLXGetDrawableAttributes;

+   be_req->drawable = be_drawable;

+   be_req->length = req->length;

+   if (!_XReply(dpy, (xReply *) &reply, 0, False)) {

+      UnlockDisplay(dpy);

+      SyncHandle();

+      return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );

+   }

+

+   if (reply.numAttribs) {

+      attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32;

+      attribs = (CARD32 *) malloc(attribs_size);

+      if (attribs == NULL) {

+	 UnlockDisplay(dpy);

+	 SyncHandle();

+	 return BadAlloc;

+      }

+

+      _XRead(dpy, (char *) attribs, attribs_size);

+   }

+

+   UnlockDisplay(dpy);

+   SyncHandle();

+

+

+   /* send the reply back to the client */

+   reply.sequenceNumber = client->sequence;

+   if (client->swapped) {

+      __glXSwapGetDrawableAttributesReply(client, &reply, (int *)attribs);

+   }

+   else {

+      WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)&reply);

+      WriteToClient(client, attribs_size, (char *)attribs);

+   }

+

+   Xfree(attribs);

+

+   return Success;

+}

+

+int __glXChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)

+{

+   xGLXChangeDrawableAttributesReq *req = (xGLXChangeDrawableAttributesReq *)pc;

+   xGLXChangeDrawableAttributesReq *be_req;

+   ClientPtr client = cl->client;

+   GLXDrawable drawId = req->drawable;

+   GLXDrawable be_drawable = 0;

+   DrawablePtr pDraw = NULL;

+   Display *dpy;

+   int screen, rc;

+   DMXScreenInfo *dmxScreen;

+   char *attrbuf;

+#ifdef PANORAMIX

+    PanoramiXRes *pXinDraw = NULL;

+    PanoramiXRes *pXinReadDraw = NULL;

+#endif

+

+   if (drawId != None) {

+      rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess);

+      if (rc == Success) {

+	 if (pDraw->type == DRAWABLE_WINDOW) {

+		WindowPtr pWin = (WindowPtr)pDraw;

+		be_drawable = 0;

+		screen = pWin->drawable.pScreen->myNum;

+

+	 }

+	 else {

+	    /*

+	     ** Drawable is not a Window , GLXWindow or a GLXPixmap.

+	     */

+	    client->errorValue = drawId;

+	    return __glXBadDrawable;

+	 }

+      }

+

+      if (!pDraw) {

+	 __GLXpixmap *pGlxPixmap = (__GLXpixmap *) LookupIDByType(drawId,

+							__glXPixmapRes);

+	 if (pGlxPixmap) {

+		pDraw = pGlxPixmap->pDraw;

+		screen = pGlxPixmap->pScreen->myNum;

+                be_drawable = pGlxPixmap->be_xids[screen];

+	 }

+      }

+

+      if (!pDraw) {

+	 __glXWindow *pGlxWindow = (__glXWindow *) LookupIDByType(drawId, __glXWindowRes);

+	 if (pGlxWindow) {

+	    pDraw = pGlxWindow->pDraw;

+	    screen = pGlxWindow->pScreen->myNum;

+	    be_drawable = 0;

+     	 }

+      }

+

+      if (!pDraw) {

+	 __glXPbuffer *pGlxPbuffer = (__glXPbuffer *)LookupIDByType(drawId, __glXPbufferRes);

+	 if (pGlxPbuffer) {

+    	    pDraw = (DrawablePtr)pGlxPbuffer;

+	    screen = pGlxPbuffer->pScreen->myNum;

+	    be_drawable = pGlxPbuffer->be_xids[screen];

+	 }

+      }

+

+

+      if (!pDraw) {

+	 /*

+	  ** Drawable is not a Window , GLXWindow or a GLXPixmap.

+	  */

+	 client->errorValue = drawId;

+	 return __glXBadDrawable;

+      }

+    }

+

+

+   /* if the drawable is a window or GLXWindow - 

+    * we need to find the base id on the back-end server

+    */

+   if (!be_drawable) {

+       WindowPtr pWin = (WindowPtr)pDraw;

+

+#ifdef PANORAMIX

+       if (!noPanoramiXExtension) {

+	  pXinDraw = (PanoramiXRes *)

+	     SecurityLookupIDByClass(client, pDraw->id, XRC_DRAWABLE, DixReadAccess);

+	  if (!pXinDraw) {

+	     client->errorValue = drawId;

+	     return __glXBadDrawable;

+	  }

+

+	  dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,

+			  DixReadAccess);

+       }

+#endif

+

+       if (pWin) {

+	   be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   if (!be_drawable) {

+	      /* it might be that the window did not created yet on the */

+	      /* back-end server (lazy window creation option), force   */

+	      /* creation of the window */

+	      dmxCreateAndRealizeWindow( pWin, TRUE );

+	      be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;

+	   }

+       }

+       else {

+	  client->errorValue = drawId;

+	  return __glXBadDrawable;

+       }

+   }

+

+

+   /* send the request to the back-end server */

+   dpy = GetBackEndDisplay(cl,screen);

+   dmxScreen = &dmxScreens[screen];

+

+   /* make sure drawable exists on back-end */

+   dmxSync( dmxScreen, 1 );

+

+   LockDisplay(dpy);

+   GetReqExtra(GLXChangeDrawableAttributes,

+                        2 * req->numAttribs * __GLX_SIZE_CARD32, be_req);

+   be_req->reqType = dmxScreen->glxMajorOpcode;

+   be_req->glxCode = X_GLXChangeDrawableAttributes;

+   be_req->drawable = be_drawable;

+   be_req->numAttribs = req->numAttribs;

+   be_req->length = req->length;

+

+   UnlockDisplay(dpy);

+   SyncHandle();

+

+   return Success;

+}

+

+int __glXSendLargeCommand(__GLXclientState *cl, GLXContextTag contextTag)

+{

+   ClientPtr client = cl->client;

+    xGLXRenderLargeReq *req;

+    GLint maxSize, amount;

+    GLint totalRequests, requestNumber;

+    GLint dataLen;

+    GLbyte *data;

+    __GLXcontext *glxc;

+    int s;

+    int from_screen, to_screen;

+

+    maxSize = cl->largeCmdMaxReqDataSize - (GLint)sizeof(xGLXRenderLargeReq);

+    dataLen = cl->largeCmdBytesTotal;

+    totalRequests = (dataLen / maxSize);

+    if (dataLen % maxSize) totalRequests++;

+

+    glxc = __glXLookupContextByTag(cl, contextTag);

+    if (!glxc) {

+       client->errorValue = contextTag;

+       return __glXBadContext;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    /*

+    ** Send enough requests until the whole array is sent.

+    */

+    requestNumber = 1;

+    data = cl->largeCmdBuf;

+    while (dataLen > 0) {

+	amount = dataLen;

+	if (amount > maxSize) {

+	    amount = maxSize;

+	}

+

+	for (s=from_screen; s<=to_screen; s++) {

+

+	   Display *dpy = GetBackEndDisplay(cl,s);

+	   DMXScreenInfo *dmxScreen = &dmxScreens[s];

+

+	   LockDisplay(dpy);

+	   GetReq(GLXRenderLarge,req); 

+	   req->reqType = dmxScreen->glxMajorOpcode;

+	   req->glxCode = X_GLXRenderLarge; 

+	   req->contextTag = GetCurrentBackEndTag(cl,contextTag,s);

+	   req->length += (amount + 3) >> 2;

+	   req->requestNumber = requestNumber++;

+	   req->requestTotal = totalRequests;

+	   req->dataBytes = amount;

+	   Data(dpy, ((const char*)data), amount);

+	   dataLen -= amount;

+	   data = ((GLbyte *) data) + amount;

+	   UnlockDisplay(dpy);

+	   SyncHandle();

+	}

+    }

+

+    return Success;

+}

diff --git a/xorg-server/hw/dmx/glxProxy/glxext.c b/xorg-server/hw/dmx/glxProxy/glxext.c
index 6cd8bb41a..6589e43bb 100644
--- a/xorg-server/hw/dmx/glxProxy/glxext.c
+++ b/xorg-server/hw/dmx/glxProxy/glxext.c
@@ -1,532 +1,532 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-
-#include "glxserver.h"
-#include <windowstr.h>
-#include <propertyst.h>
-#include <os.h>
-#include "g_disptab.h"
-#include "glxutil.h"
-#include "glxext.h"
-#include "glxvisuals.h"
-#include "micmap.h"
-#include "glxswap.h"
-
-/*
-** Stubs to satisfy miinitext.c references.
-*/
-typedef int __GLXprovider;
-__GLXprovider __glXDRISWRastProvider;
-void GlxPushProvider(__GLXprovider *provider) { }
-
-/*
-** Forward declarations.
-*/
-static int __glXSwapDispatch(ClientPtr);
-static int __glXDispatch(ClientPtr);
-
-/*
-** Called when the extension is reset.
-*/
-static void ResetExtension(ExtensionEntry* extEntry)
-{
-    __glXFlushContextCache();
-    __glXScreenReset();
-    SwapBarrierReset();
-}
-
-/*
-** Initialize the per-client context storage.
-*/
-static void ResetClientState(int clientIndex)
-{
-    __GLXclientState *cl = __glXClients[clientIndex];
-    Display **keep_be_displays;
-    int i;
-
-    if (cl->returnBuf) __glXFree(cl->returnBuf);
-    if (cl->currentContexts) __glXFree(cl->currentContexts);
-    if (cl->currentDrawables) __glXFree(cl->currentDrawables);
-    if (cl->largeCmdBuf) __glXFree(cl->largeCmdBuf);
-
-    for (i=0; i< screenInfo.numScreens; i++) {
-       if (cl->be_displays[i])
-	  XCloseDisplay( cl->be_displays[i] );
-    }
-
-    keep_be_displays = cl->be_displays;
-    memset(cl, 0, sizeof(__GLXclientState));
-    cl->be_displays = keep_be_displays;
-
-    /*
-    ** By default, assume that the client supports
-    ** GLX major version 1 minor version 0 protocol.
-    */
-    cl->GLClientmajorVersion = 1;
-    cl->GLClientminorVersion = 0;
-    if (cl->GLClientextensions) __glXFree(cl->GLClientextensions);
-
-    memset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *));
-}
-
-
-/*
-** This procedure is called when the client who created the context goes
-** away OR when glXDestroyContext is called.  In either case, all we do is
-** flag that the ID is no longer valid, and (maybe) free the context.
-** use.
-*/
-static int ContextGone(__GLXcontext* cx, XID id)
-{
-    cx->idExists = GL_FALSE;
-    if (!cx->isCurrent) {
-	__glXFreeContext(cx);
-    }
-
-    return True;
-}
-
-/*
-** Free a client's state.
-*/
-static int ClientGone(int clientIndex, XID id)
-{
-    __GLXcontext *cx;
-    __GLXclientState *cl = __glXClients[clientIndex];
-    int i;
-
-    if (cl) {
-	/*
-	** Free all the contexts that are current for this client.
-	*/
-	for (i=0; i < cl->numCurrentContexts; i++) {
-	    cx = cl->currentContexts[i];
-	    if (cx) {
-		cx->isCurrent = GL_FALSE;
-		if (!cx->idExists) {
-		    __glXFreeContext(cx);
-		}
-	    }
-	}
-	/*
-	** Re-initialize the client state structure.  Don't free it because
-	** we'll probably get another client with this index and use the struct
-	** again.  There is a maximum of MAXCLIENTS of these structures.
-	*/
-	ResetClientState(clientIndex);
-    }
-
-    return True;
-}
-
-/*
-** Free a GLX Pixmap.
-*/
-void __glXFreeGLXPixmap( __GLXpixmap *pGlxPixmap )
-{
-   if (!pGlxPixmap->idExists &&
-       !pGlxPixmap->refcnt) {
-
-       PixmapPtr pPixmap = (PixmapPtr) pGlxPixmap->pDraw;
-
-	/*
-	** The DestroyPixmap routine should decrement the refcount and free
-	** only if it's zero.
-	*/
-	(*pGlxPixmap->pScreen->DestroyPixmap)(pPixmap);
-	__glXFree(pGlxPixmap->be_xids);
-	__glXFree(pGlxPixmap);
-    }
-
-}
-
-static int PixmapGone(__GLXpixmap *pGlxPixmap, XID id)
-{
-
-    pGlxPixmap->idExists = False;
-    __glXFreeGLXPixmap( pGlxPixmap );
-
-    return True;
-}
-
-void __glXFreeGLXWindow(__glXWindow *pGlxWindow)
-{
-    if (!pGlxWindow->idExists && !pGlxWindow->refcnt) {
-	WindowPtr pWindow = (WindowPtr) pGlxWindow->pDraw;
-
-        if (LookupIDByType(pWindow->drawable.id, RT_WINDOW) == pWindow) {
-            (*pGlxWindow->pScreen->DestroyWindow)(pWindow);
-        }
-
-	xfree(pGlxWindow);
-    }
-}
-
-static void WindowGone(__glXWindow *pGlxWindow, XID id)
-{
-    pGlxWindow->idExists = False;
-    __glXFreeGLXWindow(pGlxWindow);
-}
-
-void __glXFreeGLXPbuffer(__glXPbuffer *pGlxPbuffer)
-{
-    if (!pGlxPbuffer->idExists && !pGlxPbuffer->refcnt) {
-        xfree(pGlxPbuffer->be_xids);
-        xfree(pGlxPbuffer);
-    }
-}
-
-static void PbufferGone(__glXPbuffer *pGlxPbuffer, XID id)
-{
-    pGlxPbuffer->idExists = False;
-    __glXFreeGLXPbuffer(pGlxPbuffer);
-}
-
-/*
-** Free a context.
-*/
-GLboolean __glXFreeContext(__GLXcontext *cx)
-{
-    if (cx->idExists || cx->isCurrent) return GL_FALSE;
-    
-    if (cx->feedbackBuf) __glXFree(cx->feedbackBuf);
-    if (cx->selectBuf) __glXFree(cx->selectBuf);
-    if (cx->real_ids) __glXFree(cx->real_ids);
-    if (cx->real_vids) __glXFree(cx->real_vids);
-
-    if (cx->pGlxPixmap) {
-       /*
-	** The previous drawable was a glx pixmap, release it.
-	*/
-       cx->pGlxPixmap->refcnt--;
-       __glXFreeGLXPixmap( cx->pGlxPixmap );
-       cx->pGlxPixmap = 0;
-    }
-
-    if (cx->pGlxReadPixmap) {
-       /*
-	** The previous drawable was a glx pixmap, release it.
-	*/
-       cx->pGlxReadPixmap->refcnt--;
-       __glXFreeGLXPixmap( cx->pGlxReadPixmap );
-       cx->pGlxReadPixmap = 0;
-    }
-
-    if (cx->pGlxWindow) {
-       /*
-	** The previous drawable was a glx window, release it.
-	*/
-       cx->pGlxWindow->refcnt--;
-       __glXFreeGLXWindow( cx->pGlxWindow );
-       cx->pGlxWindow = 0;   
-    }
-
-    if (cx->pGlxReadWindow) {
-       /*
-	** The previous drawable was a glx window, release it.
-	*/
-       cx->pGlxReadWindow->refcnt--;
-       __glXFreeGLXWindow( cx->pGlxReadWindow );
-       cx->pGlxReadWindow = 0;   
-    }
-
-    __glXFree(cx);
-
-    if (cx == __glXLastContext) {
-	__glXFlushContextCache();
-    }
-
-    return GL_TRUE;
-}
-
-/*
-** Initialize the GLX extension.
-*/
-void GlxExtensionInit(void)
-{
-    ExtensionEntry *extEntry;
-    int i;
-    int glxSupported = 1;
-
-    /*
-    // do not initialize GLX extension if GLX is not supported
-    // by ALL back-end servers.
-    */
-    for (i=0; i<screenInfo.numScreens; i++) {
-       glxSupported &= (dmxScreens[i].glxMajorOpcode > 0);
-    }
-
-    if (!glxSupported || !dmxGLXProxy) {
-       return;
-    }
-    
-    __glXContextRes = CreateNewResourceType((DeleteType)ContextGone,
-					    "GLXContext");
-    __glXClientRes = CreateNewResourceType((DeleteType)ClientGone,
-					   "GLXClient");
-    __glXPixmapRes = CreateNewResourceType((DeleteType)PixmapGone,
-					   "GLXPixmap");
-    __glXWindowRes = CreateNewResourceType((DeleteType)WindowGone,
-					   "GLXWindow");
-    __glXPbufferRes = CreateNewResourceType((DeleteType)PbufferGone,
-					    "GLXPbuffer");
-
-    if (!__glXContextRes || !__glXClientRes || !__glXPixmapRes ||
-	!__glXWindowRes || !__glXPbufferRes)
-	return;
-
-    /*
-    ** Add extension to server extensions.
-    */
-    extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS,
-			    __GLX_NUMBER_ERRORS, __glXDispatch,
-			    __glXSwapDispatch, ResetExtension,
-			    StandardMinorOpcode);
-    if (!extEntry) {
-	FatalError("__glXExtensionInit: AddExtensions failed\n");
-	return;
-    }
-    /*
-    if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) {
-	ErrorF("__glXExtensionInit: AddExtensionAlias failed\n");
-	return;
-    }
-    */
-
-    __glXerrorBase = extEntry->errorBase;
-    __glXBadContext = extEntry->errorBase + GLXBadContext;
-    __glXBadContextState = extEntry->errorBase + GLXBadContextState;
-    __glXBadDrawable = extEntry->errorBase + GLXBadDrawable;
-    __glXBadPixmap = extEntry->errorBase + GLXBadPixmap;
-    __glXBadContextTag = extEntry->errorBase + GLXBadContextTag;
-    __glXBadCurrentWindow = extEntry->errorBase + GLXBadCurrentWindow;
-    __glXBadRenderRequest = extEntry->errorBase + GLXBadRenderRequest;
-    __glXBadLargeRequest = extEntry->errorBase + GLXBadLargeRequest;
-    __glXUnsupportedPrivateRequest = extEntry->errorBase +
-      			GLXUnsupportedPrivateRequest;
-    __glXBadFBConfig = extEntry->errorBase + GLXBadFBConfig;
-    __glXBadPbuffer = extEntry->errorBase + GLXBadPbuffer;
-
-    /*
-    ** Initialize table of client state.  There is never a client 0.
-    */
-    for (i=1; i <= MAXCLIENTS; i++) {
-	__glXClients[i] = 0;
-    }
-
-    /*
-    ** Initialize screen specific data.
-    */
-    __glXScreenInit(screenInfo.numScreens);
-
-    /*
-    ** Initialize swap barrier support.
-    */
-    SwapBarrierInit();
-}
-
-/************************************************************************/
-
-Bool __glXCoreType(void)
-{
-    return 0;
-}
-
-/************************************************************************/
-
-void GlxSetVisualConfigs(int nconfigs, 
-                         __GLXvisualConfig *configs, void **privates)
-{
-    glxSetVisualConfigs(nconfigs, configs, privates);
-}
-
-static miInitVisualsProcPtr saveInitVisualsProc;
-
-Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
-		    int *nvisualp, int *ndepthp,
-		    int *rootDepthp, VisualID *defaultVisp,
-		    unsigned long sizes, int bitsPerRGB,
-		    int preferredVis)
-{
-    Bool ret;
-
-    if (saveInitVisualsProc) {
-        ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp,
-                                  rootDepthp, defaultVisp, sizes, bitsPerRGB,
-                                  preferredVis);
-        if (!ret)
-            return False;
-    }
-
-    glxInitVisuals(nvisualp, visualp, defaultVisp, *ndepthp, *depthp,*rootDepthp);
-
-    return True;
-}
-
-void
-GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc)
-{
-    if (dmxGLXProxy) {
-	saveInitVisualsProc = *initVisProc;
-	*initVisProc = GlxInitVisuals;
-    }
-}
-
-/************************************************************************/
-
-void __glXFlushContextCache(void)
-{
-    __glXLastContext = 0;
-}
-
-/************************************************************************/
-
-/*
-** Top level dispatcher; all commands are executed from here down.
-*/
-static int __glXDispatch(ClientPtr client)
-{
-    REQUEST(xGLXSingleReq);
-    CARD8 opcode;
-    int (*proc)(__GLXclientState *cl, GLbyte *pc);
-    __GLXclientState *cl;
-
-    opcode = stuff->glxCode;
-    cl = __glXClients[client->index];
-    if (!cl) {
-	cl = __glXCalloc(1, sizeof(__GLXclientState));
-	 __glXClients[client->index] = cl;
-	if (!cl) {
-	    return BadAlloc;
-	}
-
-	cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *));
-	if (!cl->be_displays) {
-	    __glXFree( cl );
-	    return BadAlloc;
-	}
-    }
-    
-    if (!cl->inUse) {
-	/*
-	** This is first request from this client.  Associate a resource
-	** with the client so we will be notified when the client dies.
-	*/
-	XID xid = FakeClientID(client->index);
-	if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {
-	    return BadAlloc;
-	}
-	ResetClientState(client->index);
-	cl->largeCmdRequestsTotal = 0;
-	cl->inUse = GL_TRUE;
-	cl->client = client;
-    }
-
-    /*
-    ** Check for valid opcode.
-    */
-    if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
-	return BadRequest;
-    }
-
-    /*
-    ** Use the opcode to index into the procedure table.
-    */
-    proc = __glXSingleTable[opcode];
-    return (*proc)(cl, (GLbyte *) stuff);
-}
-
-static int __glXSwapDispatch(ClientPtr client)
-{
-    REQUEST(xGLXSingleReq);
-    CARD8 opcode;
-    int (*proc)(__GLXclientState *cl, GLbyte *pc);
-    __GLXclientState *cl;
-
-    opcode = stuff->glxCode;
-    cl = __glXClients[client->index];
-    if (!cl) {
-	cl = __glXCalloc(1, sizeof(__GLXclientState));
-	 __glXClients[client->index] = cl;
-	if (!cl) {
-	    return BadAlloc;
-	}
-
-	cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *));
-	if (!cl->be_displays) {
-	    __glXFree( cl );
-	    return BadAlloc;
-	}
-    }
-    
-    if (!cl->inUse) {
-	/*
-	** This is first request from this client.  Associate a resource
-	** with the client so we will be notified when the client dies.
-	*/
-	XID xid = FakeClientID(client->index);
-	if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {
-	    return BadAlloc;
-	}
-	ResetClientState(client->index);
-	cl->inUse = GL_TRUE;
-	cl->client = client;
-    }
-
-    /*
-    ** Check for valid opcode.
-    */
-    if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
-	return BadRequest;
-    }
-
-    /*
-    ** Use the opcode to index into the procedure table.
-    */
-    proc = __glXSwapSingleTable[opcode];
-    return (*proc)(cl, (GLbyte *) stuff);
-}
-
-int __glXNoSuchSingleOpcode(__GLXclientState *cl, GLbyte *pc)
-{
-    return BadRequest;
-}
-
-void __glXNoSuchRenderOpcode(GLbyte *pc)
-{
-    return;
-}
-
+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include "dmx.h"

+

+#include "glxserver.h"

+#include <windowstr.h>

+#include <propertyst.h>

+#include <os.h>

+#include "g_disptab.h"

+#include "glxutil.h"

+#include "glxext.h"

+#include "glxvisuals.h"

+#include "micmap.h"

+#include "glxswap.h"

+

+/*

+** Stubs to satisfy miinitext.c references.

+*/

+typedef int __GLXprovider;

+__GLXprovider __glXDRISWRastProvider;

+void GlxPushProvider(__GLXprovider *provider) { }

+

+/*

+** Forward declarations.

+*/

+static int __glXSwapDispatch(ClientPtr);

+static int __glXDispatch(ClientPtr);

+

+/*

+** Called when the extension is reset.

+*/

+static void ResetExtension(ExtensionEntry* extEntry)

+{

+    __glXFlushContextCache();

+    __glXScreenReset();

+    SwapBarrierReset();

+}

+

+/*

+** Initialize the per-client context storage.

+*/

+static void ResetClientState(int clientIndex)

+{

+    __GLXclientState *cl = __glXClients[clientIndex];

+    Display **keep_be_displays;

+    int i;

+

+    if (cl->returnBuf) __glXFree(cl->returnBuf);

+    if (cl->currentContexts) __glXFree(cl->currentContexts);

+    if (cl->currentDrawables) __glXFree(cl->currentDrawables);

+    if (cl->largeCmdBuf) __glXFree(cl->largeCmdBuf);

+

+    for (i=0; i< screenInfo.numScreens; i++) {

+       if (cl->be_displays[i])

+	  XCloseDisplay( cl->be_displays[i] );

+    }

+

+    keep_be_displays = cl->be_displays;

+    memset(cl, 0, sizeof(__GLXclientState));

+    cl->be_displays = keep_be_displays;

+

+    /*

+    ** By default, assume that the client supports

+    ** GLX major version 1 minor version 0 protocol.

+    */

+    cl->GLClientmajorVersion = 1;

+    cl->GLClientminorVersion = 0;

+    if (cl->GLClientextensions) __glXFree(cl->GLClientextensions);

+

+    memset(cl->be_displays, 0, screenInfo.numScreens * sizeof(Display *));

+}

+

+

+/*

+** This procedure is called when the client who created the context goes

+** away OR when glXDestroyContext is called.  In either case, all we do is

+** flag that the ID is no longer valid, and (maybe) free the context.

+** use.

+*/

+static int ContextGone(__GLXcontext* cx, XID id)

+{

+    cx->idExists = GL_FALSE;

+    if (!cx->isCurrent) {

+	__glXFreeContext(cx);

+    }

+

+    return True;

+}

+

+/*

+** Free a client's state.

+*/

+static int ClientGone(int clientIndex, XID id)

+{

+    __GLXcontext *cx;

+    __GLXclientState *cl = __glXClients[clientIndex];

+    int i;

+

+    if (cl) {

+	/*

+	** Free all the contexts that are current for this client.

+	*/

+	for (i=0; i < cl->numCurrentContexts; i++) {

+	    cx = cl->currentContexts[i];

+	    if (cx) {

+		cx->isCurrent = GL_FALSE;

+		if (!cx->idExists) {

+		    __glXFreeContext(cx);

+		}

+	    }

+	}

+	/*

+	** Re-initialize the client state structure.  Don't free it because

+	** we'll probably get another client with this index and use the struct

+	** again.  There is a maximum of MAXCLIENTS of these structures.

+	*/

+	ResetClientState(clientIndex);

+    }

+

+    return True;

+}

+

+/*

+** Free a GLX Pixmap.

+*/

+void __glXFreeGLXPixmap( __GLXpixmap *pGlxPixmap )

+{

+   if (!pGlxPixmap->idExists &&

+       !pGlxPixmap->refcnt) {

+

+       PixmapPtr pPixmap = (PixmapPtr) pGlxPixmap->pDraw;

+

+	/*

+	** The DestroyPixmap routine should decrement the refcount and free

+	** only if it's zero.

+	*/

+	(*pGlxPixmap->pScreen->DestroyPixmap)(pPixmap);

+	__glXFree(pGlxPixmap->be_xids);

+	__glXFree(pGlxPixmap);

+    }

+

+}

+

+static int PixmapGone(__GLXpixmap *pGlxPixmap, XID id)

+{

+

+    pGlxPixmap->idExists = False;

+    __glXFreeGLXPixmap( pGlxPixmap );

+

+    return True;

+}

+

+void __glXFreeGLXWindow(__glXWindow *pGlxWindow)

+{

+    if (!pGlxWindow->idExists && !pGlxWindow->refcnt) {

+	WindowPtr pWindow = (WindowPtr) pGlxWindow->pDraw;

+

+        if (LookupIDByType(pWindow->drawable.id, RT_WINDOW) == pWindow) {

+            (*pGlxWindow->pScreen->DestroyWindow)(pWindow);

+        }

+

+	free(pGlxWindow);

+    }

+}

+

+static void WindowGone(__glXWindow *pGlxWindow, XID id)

+{

+    pGlxWindow->idExists = False;

+    __glXFreeGLXWindow(pGlxWindow);

+}

+

+void __glXFreeGLXPbuffer(__glXPbuffer *pGlxPbuffer)

+{

+    if (!pGlxPbuffer->idExists && !pGlxPbuffer->refcnt) {

+        free(pGlxPbuffer->be_xids);

+        free(pGlxPbuffer);

+    }

+}

+

+static void PbufferGone(__glXPbuffer *pGlxPbuffer, XID id)

+{

+    pGlxPbuffer->idExists = False;

+    __glXFreeGLXPbuffer(pGlxPbuffer);

+}

+

+/*

+** Free a context.

+*/

+GLboolean __glXFreeContext(__GLXcontext *cx)

+{

+    if (cx->idExists || cx->isCurrent) return GL_FALSE;

+    

+    if (cx->feedbackBuf) __glXFree(cx->feedbackBuf);

+    if (cx->selectBuf) __glXFree(cx->selectBuf);

+    if (cx->real_ids) __glXFree(cx->real_ids);

+    if (cx->real_vids) __glXFree(cx->real_vids);

+

+    if (cx->pGlxPixmap) {

+       /*

+	** The previous drawable was a glx pixmap, release it.

+	*/

+       cx->pGlxPixmap->refcnt--;

+       __glXFreeGLXPixmap( cx->pGlxPixmap );

+       cx->pGlxPixmap = 0;

+    }

+

+    if (cx->pGlxReadPixmap) {

+       /*

+	** The previous drawable was a glx pixmap, release it.

+	*/

+       cx->pGlxReadPixmap->refcnt--;

+       __glXFreeGLXPixmap( cx->pGlxReadPixmap );

+       cx->pGlxReadPixmap = 0;

+    }

+

+    if (cx->pGlxWindow) {

+       /*

+	** The previous drawable was a glx window, release it.

+	*/

+       cx->pGlxWindow->refcnt--;

+       __glXFreeGLXWindow( cx->pGlxWindow );

+       cx->pGlxWindow = 0;   

+    }

+

+    if (cx->pGlxReadWindow) {

+       /*

+	** The previous drawable was a glx window, release it.

+	*/

+       cx->pGlxReadWindow->refcnt--;

+       __glXFreeGLXWindow( cx->pGlxReadWindow );

+       cx->pGlxReadWindow = 0;   

+    }

+

+    __glXFree(cx);

+

+    if (cx == __glXLastContext) {

+	__glXFlushContextCache();

+    }

+

+    return GL_TRUE;

+}

+

+/*

+** Initialize the GLX extension.

+*/

+void GlxExtensionInit(void)

+{

+    ExtensionEntry *extEntry;

+    int i;

+    int glxSupported = 1;

+

+    /*

+    // do not initialize GLX extension if GLX is not supported

+    // by ALL back-end servers.

+    */

+    for (i=0; i<screenInfo.numScreens; i++) {

+       glxSupported &= (dmxScreens[i].glxMajorOpcode > 0);

+    }

+

+    if (!glxSupported || !dmxGLXProxy) {

+       return;

+    }

+    

+    __glXContextRes = CreateNewResourceType((DeleteType)ContextGone,

+					    "GLXContext");

+    __glXClientRes = CreateNewResourceType((DeleteType)ClientGone,

+					   "GLXClient");

+    __glXPixmapRes = CreateNewResourceType((DeleteType)PixmapGone,

+					   "GLXPixmap");

+    __glXWindowRes = CreateNewResourceType((DeleteType)WindowGone,

+					   "GLXWindow");

+    __glXPbufferRes = CreateNewResourceType((DeleteType)PbufferGone,

+					    "GLXPbuffer");

+

+    if (!__glXContextRes || !__glXClientRes || !__glXPixmapRes ||

+	!__glXWindowRes || !__glXPbufferRes)

+	return;

+

+    /*

+    ** Add extension to server extensions.

+    */

+    extEntry = AddExtension(GLX_EXTENSION_NAME, __GLX_NUMBER_EVENTS,

+			    __GLX_NUMBER_ERRORS, __glXDispatch,

+			    __glXSwapDispatch, ResetExtension,

+			    StandardMinorOpcode);

+    if (!extEntry) {

+	FatalError("__glXExtensionInit: AddExtensions failed\n");

+	return;

+    }

+    /*

+    if (!AddExtensionAlias(GLX_EXTENSION_ALIAS, extEntry)) {

+	ErrorF("__glXExtensionInit: AddExtensionAlias failed\n");

+	return;

+    }

+    */

+

+    __glXerrorBase = extEntry->errorBase;

+    __glXBadContext = extEntry->errorBase + GLXBadContext;

+    __glXBadContextState = extEntry->errorBase + GLXBadContextState;

+    __glXBadDrawable = extEntry->errorBase + GLXBadDrawable;

+    __glXBadPixmap = extEntry->errorBase + GLXBadPixmap;

+    __glXBadContextTag = extEntry->errorBase + GLXBadContextTag;

+    __glXBadCurrentWindow = extEntry->errorBase + GLXBadCurrentWindow;

+    __glXBadRenderRequest = extEntry->errorBase + GLXBadRenderRequest;

+    __glXBadLargeRequest = extEntry->errorBase + GLXBadLargeRequest;

+    __glXUnsupportedPrivateRequest = extEntry->errorBase +

+      			GLXUnsupportedPrivateRequest;

+    __glXBadFBConfig = extEntry->errorBase + GLXBadFBConfig;

+    __glXBadPbuffer = extEntry->errorBase + GLXBadPbuffer;

+

+    /*

+    ** Initialize table of client state.  There is never a client 0.

+    */

+    for (i=1; i <= MAXCLIENTS; i++) {

+	__glXClients[i] = 0;

+    }

+

+    /*

+    ** Initialize screen specific data.

+    */

+    __glXScreenInit(screenInfo.numScreens);

+

+    /*

+    ** Initialize swap barrier support.

+    */

+    SwapBarrierInit();

+}

+

+/************************************************************************/

+

+Bool __glXCoreType(void)

+{

+    return 0;

+}

+

+/************************************************************************/

+

+void GlxSetVisualConfigs(int nconfigs, 

+                         __GLXvisualConfig *configs, void **privates)

+{

+    glxSetVisualConfigs(nconfigs, configs, privates);

+}

+

+static miInitVisualsProcPtr saveInitVisualsProc;

+

+Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp,

+		    int *nvisualp, int *ndepthp,

+		    int *rootDepthp, VisualID *defaultVisp,

+		    unsigned long sizes, int bitsPerRGB,

+		    int preferredVis)

+{

+    Bool ret;

+

+    if (saveInitVisualsProc) {

+        ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp,

+                                  rootDepthp, defaultVisp, sizes, bitsPerRGB,

+                                  preferredVis);

+        if (!ret)

+            return False;

+    }

+

+    glxInitVisuals(nvisualp, visualp, defaultVisp, *ndepthp, *depthp,*rootDepthp);

+

+    return True;

+}

+

+void

+GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc)

+{

+    if (dmxGLXProxy) {

+	saveInitVisualsProc = *initVisProc;

+	*initVisProc = GlxInitVisuals;

+    }

+}

+

+/************************************************************************/

+

+void __glXFlushContextCache(void)

+{

+    __glXLastContext = 0;

+}

+

+/************************************************************************/

+

+/*

+** Top level dispatcher; all commands are executed from here down.

+*/

+static int __glXDispatch(ClientPtr client)

+{

+    REQUEST(xGLXSingleReq);

+    CARD8 opcode;

+    int (*proc)(__GLXclientState *cl, GLbyte *pc);

+    __GLXclientState *cl;

+

+    opcode = stuff->glxCode;

+    cl = __glXClients[client->index];

+    if (!cl) {

+	cl = __glXCalloc(1, sizeof(__GLXclientState));

+	 __glXClients[client->index] = cl;

+	if (!cl) {

+	    return BadAlloc;

+	}

+

+	cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *));

+	if (!cl->be_displays) {

+	    __glXFree( cl );

+	    return BadAlloc;

+	}

+    }

+    

+    if (!cl->inUse) {

+	/*

+	** This is first request from this client.  Associate a resource

+	** with the client so we will be notified when the client dies.

+	*/

+	XID xid = FakeClientID(client->index);

+	if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {

+	    return BadAlloc;

+	}

+	ResetClientState(client->index);

+	cl->largeCmdRequestsTotal = 0;

+	cl->inUse = GL_TRUE;

+	cl->client = client;

+    }

+

+    /*

+    ** Check for valid opcode.

+    */

+    if (opcode >= __GLX_SINGLE_TABLE_SIZE) {

+	return BadRequest;

+    }

+

+    /*

+    ** Use the opcode to index into the procedure table.

+    */

+    proc = __glXSingleTable[opcode];

+    return (*proc)(cl, (GLbyte *) stuff);

+}

+

+static int __glXSwapDispatch(ClientPtr client)

+{

+    REQUEST(xGLXSingleReq);

+    CARD8 opcode;

+    int (*proc)(__GLXclientState *cl, GLbyte *pc);

+    __GLXclientState *cl;

+

+    opcode = stuff->glxCode;

+    cl = __glXClients[client->index];

+    if (!cl) {

+	cl = __glXCalloc(1, sizeof(__GLXclientState));

+	 __glXClients[client->index] = cl;

+	if (!cl) {

+	    return BadAlloc;

+	}

+

+	cl->be_displays = __glXCalloc(screenInfo.numScreens, sizeof(Display *));

+	if (!cl->be_displays) {

+	    __glXFree( cl );

+	    return BadAlloc;

+	}

+    }

+    

+    if (!cl->inUse) {

+	/*

+	** This is first request from this client.  Associate a resource

+	** with the client so we will be notified when the client dies.

+	*/

+	XID xid = FakeClientID(client->index);

+	if (!AddResource( xid, __glXClientRes, (pointer)(long)client->index)) {

+	    return BadAlloc;

+	}

+	ResetClientState(client->index);

+	cl->inUse = GL_TRUE;

+	cl->client = client;

+    }

+

+    /*

+    ** Check for valid opcode.

+    */

+    if (opcode >= __GLX_SINGLE_TABLE_SIZE) {

+	return BadRequest;

+    }

+

+    /*

+    ** Use the opcode to index into the procedure table.

+    */

+    proc = __glXSwapSingleTable[opcode];

+    return (*proc)(cl, (GLbyte *) stuff);

+}

+

+int __glXNoSuchSingleOpcode(__GLXclientState *cl, GLbyte *pc)

+{

+    return BadRequest;

+}

+

+void __glXNoSuchRenderOpcode(GLbyte *pc)

+{

+    return;

+}

+

diff --git a/xorg-server/hw/dmx/glxProxy/glxscreens.c b/xorg-server/hw/dmx/glxProxy/glxscreens.c
index 39978a74d..4c40d2315 100644
--- a/xorg-server/hw/dmx/glxProxy/glxscreens.c
+++ b/xorg-server/hw/dmx/glxProxy/glxscreens.c
@@ -1,377 +1,377 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxlog.h"
-
-#undef Xmalloc
-#undef Xcalloc
-#undef Xrealloc
-#undef Xfree
-
-#include "glxserver.h"
-
-#include <windowstr.h>
-
-#include "glxfbconfig.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-__GLXscreenInfo *__glXActiveScreens;
-GLint __glXNumActiveScreens;
-
-__GLXFBConfig **__glXFBConfigs;
-int            __glXNumFBConfigs;
-
-static char GLXServerVendorName[] = "SGI DMX/glxProxy";
-static char GLXServerVersion[64];
-static char GLXServerExtensions[] =
-            "GLX_EXT_visual_info "
-            "GLX_EXT_visual_rating "
-            "GLX_EXT_import_context "
-	    "GLX_SGIX_fbconfig "
-	    "GLX_SGI_make_current_read "
-	    "GLX_SGI_swap_control "
-            ;
-
-static char ExtensionsString[1024];
-
-static void CalcServerVersionAndExtensions( void )
-{
-   int s;
-   xGLXQueryVersionReq *req;
-   xGLXQueryVersionReply reply;
-   char **be_extensions;
-   char *ext;
-   char *denied_extensions;
-
-   /*
-    * set the server glx version to be the minimum version
-    * supported by all back-end servers
-    */
-   __glXVersionMajor = 0;
-   __glXVersionMinor = 0;
-   for (s=0; s<__glXNumActiveScreens; s++) {
-      DMXScreenInfo *dmxScreen = &dmxScreens[s];
-      Display *dpy = dmxScreen->beDisplay;
-
-      /* Send the glXQueryVersion request */
-      LockDisplay(dpy);
-      GetReq(GLXQueryVersion,req);
-      req->reqType = dmxScreen->glxMajorOpcode;
-      req->glxCode = X_GLXQueryVersion;
-      req->majorVersion = GLX_SERVER_MAJOR_VERSION;
-      req->minorVersion = GLX_SERVER_MINOR_VERSION;
-      _XReply(dpy, (xReply*) &reply, 0, False);
-      UnlockDisplay(dpy);
-      SyncHandle();
-
-      if (s == 0) {
-	 __glXVersionMajor = reply.majorVersion;
-	 __glXVersionMinor = reply.minorVersion;
-      }
-      else {
-	 if (reply.majorVersion < __glXVersionMajor) {
-	    __glXVersionMajor = reply.majorVersion;
-	    __glXVersionMinor = reply.minorVersion;
-	 }
-	 else if ( (reply.majorVersion == __glXVersionMajor) &&
-	           (reply.minorVersion < __glXVersionMinor)  ) {
-	    __glXVersionMinor = reply.minorVersion;
-	 }
-      }
-
-   }
-
-   if (GLX_SERVER_MAJOR_VERSION < __glXVersionMajor) {
-      __glXVersionMajor = GLX_SERVER_MAJOR_VERSION;
-      __glXVersionMinor = GLX_SERVER_MINOR_VERSION;
-   }
-   else if ( (GLX_SERVER_MAJOR_VERSION == __glXVersionMajor) &&
-	     (GLX_SERVER_MINOR_VERSION < __glXVersionMinor)  ) {
-      __glXVersionMinor = GLX_SERVER_MINOR_VERSION;
-   }
-
-   sprintf(GLXServerVersion, "%d.%d DMX %d back-end server(s)",
-              __glXVersionMajor, __glXVersionMinor, __glXNumActiveScreens );	 
-   /*
-    * set the ExtensionsString to the minimum extensions string
-    */
-   ExtensionsString[0] = '\0';
-
-   /*
-    * read extensions strings of all back-end servers
-    */
-   be_extensions = (char **)Xalloc( __glXNumActiveScreens * sizeof(char *) );
-   if (!be_extensions)
-      return;
-
-   for (s=0; s<__glXNumActiveScreens; s++) {
-      DMXScreenInfo *dmxScreen = &dmxScreens[s];
-      Display *dpy = dmxScreen->beDisplay;
-      xGLXQueryServerStringReq *req;
-      xGLXQueryServerStringReply reply;
-      int length, numbytes, slop;
-
-      /* Send the glXQueryServerString request */
-      LockDisplay(dpy);
-      GetReq(GLXQueryServerString,req);
-      req->reqType = dmxScreen->glxMajorOpcode;
-      req->glxCode = X_GLXQueryServerString;
-      req->screen = DefaultScreen(dpy);
-      req->name = GLX_EXTENSIONS;
-      _XReply(dpy, (xReply*) &reply, 0, False);
-
-      length = (int)reply.length;
-      numbytes = (int)reply.n;
-      slop = numbytes * __GLX_SIZE_INT8 & 3;
-      be_extensions[s] = (char *)Xalloc(numbytes);
-      if (!be_extensions[s]) {
-	 /* Throw data on the floor */
-	 _XEatData(dpy, length);
-      } else {
-	 _XRead(dpy, (char *)be_extensions[s], numbytes);
-	 if (slop) _XEatData(dpy,4-slop);
-      }
-      UnlockDisplay(dpy);
-      SyncHandle();
-   }
-
-   /*
-    * extensions string will include only extensions that our
-    * server supports as well as all back-end servers supports.
-    * extensions that are in the DMX_DENY_EXTENSIONS string will
-    * not be supported.
-    */
-   denied_extensions = getenv("DMX_DENY_GLX_EXTENSIONS");
-   ext = strtok(GLXServerExtensions, " ");
-   while( ext ) {
-      int supported = 1;
-
-      if (denied_extensions && strstr(denied_extensions, ext)) {
-	 supported = 0;
-      }
-      else {
-	 for (s=0; s<__glXNumActiveScreens && supported; s++) {
-	    if ( !strstr(be_extensions[s], ext) ) {
-	       supported = 0;
-	    }
-	 }
-      }
-
-      if (supported) {
-	 strcat(ExtensionsString, ext);
-	 strcat(ExtensionsString, " ");
-      }
-
-      ext = strtok(NULL, " ");
-   }
-
-   /*
-    * release temporary storage
-    */
-   for (s=0; s<__glXNumActiveScreens; s++) {
-      if (be_extensions[s]) Xfree(be_extensions[s]); 
-   }
-   Xfree( be_extensions );
-
-   if (dmxGLXSwapGroupSupport) {
-       if (!denied_extensions ||
-	   !strstr(denied_extensions, "GLX_SGIX_swap_group")) {
-	   strcat(ExtensionsString, "GLX_SGIX_swap_group");
-	   if (!denied_extensions ||
-	       !strstr(denied_extensions, "GLX_SGIX_swap_barrier")) {
-	       strcat(ExtensionsString, " GLX_SGIX_swap_barrier");
-	   }
-       }
-   }
-
-}
-
-void __glXScreenInit(GLint numscreens)
-{
-   int s;
-   int c;
-   DMXScreenInfo *dmxScreen0 = &dmxScreens[0];
-    __glXNumActiveScreens = numscreens;
-
-
-   CalcServerVersionAndExtensions();
-
-
-   __glXFBConfigs = NULL;
-   __glXNumFBConfigs = 0;
-
-   if ( (__glXVersionMajor == 1 && __glXVersionMinor >= 3) ||
-        (__glXVersionMajor > 1) ||
-	( strstr(ExtensionsString, "GLX_SGIX_fbconfig") )      ) {
-
-      /*
-      // Initialize FBConfig info.
-      // find the set of FBConfigs that are present on all back-end
-      // servers - only those configs will be supported
-       */
-      __glXFBConfigs = (__GLXFBConfig **)Xalloc( dmxScreen0->numFBConfigs * 
-	                      (numscreens+1) * sizeof(__GLXFBConfig *) );
-      __glXNumFBConfigs = 0;
-   
-      for (c=0; c<dmxScreen0->numFBConfigs; c++) { 
-	 __GLXFBConfig *cfg = NULL;
-
-	 if (numscreens > 1) {
-	    for (s=1; s<numscreens; s++) {
-	       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-	       __GLXscreenInfo *glxScreen = &__glXActiveScreens[s];
-	  
-	       cfg = FindMatchingFBConfig( &dmxScreen0->fbconfigs[c],
-		                           dmxScreen->fbconfigs, 
-		                           dmxScreen->numFBConfigs );
-	       __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + s + 1 ] = cfg;
-	       if (!cfg) {
-		  dmxLog(dmxInfo,"screen0 FBConfig 0x%x is missing on screen#%d\n", dmxScreen0->fbconfigs[c].id, s);
-		  break;
-	       }
-	       else {
-		  dmxLog(dmxInfo,"screen0 FBConfig 0x%x matched to  0x%x on screen#%d\n", dmxScreen0->fbconfigs[c].id, cfg->id, s);
-	       }
-	    }
-         }
-	 else {
-	    cfg = &dmxScreen0->fbconfigs[c];
-	 }
-
-	 if (cfg) {
-
-	    /* filter out overlay visuals */
-	    if (cfg->level == 0) {
-	       __GLXFBConfig *proxy_cfg;
-
-	       __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 1 ] = 
-	               &dmxScreen0->fbconfigs[c];
-
-	       proxy_cfg = Xalloc( sizeof(__GLXFBConfig) );
-	       memcpy( proxy_cfg, cfg, sizeof(__GLXFBConfig) );
-	       proxy_cfg->id =  FakeClientID(0);
-	       /* visual will be associated later in __glXGetFBConfigs */
-	       proxy_cfg->associatedVisualId =  (unsigned int)-1;
-
-	       __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 0 ] = proxy_cfg;
-
-	       __glXNumFBConfigs++;
-	    }
-
-	 }
-
-      }
-
-    }
-
-}
-
-void __glXScreenReset(void)
-{
-  __glXNumActiveScreens = 0;
-}
-
-char *__glXGetServerString( unsigned int name ) 
-{
-   char *ret = NULL;
-
-   switch( name) {
-
-      case GLX_VENDOR:
-	 ret = GLXServerVendorName;
-	 break;
-
-      case GLX_VERSION:
-	 ret = GLXServerVersion;
-	 break;
-
-      case GLX_EXTENSIONS:
-	 ret = ExtensionsString;
-	 break;
-
-      default:
-	 break;
-   }
-
-   return( ret );
-
-}
-
-
-__GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id )
-{
-   int i,j;
-
-   for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) {
-      if ( __glXFBConfigs[j]->id == id) 
-	 return( __glXFBConfigs[j] );
-   }
-
-   return(NULL);
-}
-
-__GLXFBConfig *glxLookupFBConfigByVID( VisualID vid )
-{
-   int i,j;
-
-   for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) {
-      if ( __glXFBConfigs[j]->associatedVisualId == vid) 
-	 return( __glXFBConfigs[j] );
-   }
-
-   return(NULL);
-}
-
-__GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen )
-{
-   int i;
-   int j;
-
-   for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) {
-      if ( __glXFBConfigs[j]->id == id) 
-	 return( __glXFBConfigs[j+screen+1] );
-   }
-
-   return(NULL);
-
-}
-
-int glxIsExtensionSupported( char *ext )
-{
-   return( strstr(ExtensionsString, ext) != NULL );
-}
+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include "dmx.h"

+#include "dmxlog.h"

+

+#undef Xmalloc

+#undef Xcalloc

+#undef Xrealloc

+#undef Xfree

+

+#include "glxserver.h"

+

+#include <windowstr.h>

+

+#include "glxfbconfig.h"

+

+#ifdef PANORAMIX

+#include "panoramiXsrv.h"

+#endif

+

+__GLXscreenInfo *__glXActiveScreens;

+GLint __glXNumActiveScreens;

+

+__GLXFBConfig **__glXFBConfigs;

+int            __glXNumFBConfigs;

+

+static char GLXServerVendorName[] = "SGI DMX/glxProxy";

+static char GLXServerVersion[64];

+static char GLXServerExtensions[] =

+            "GLX_EXT_visual_info "

+            "GLX_EXT_visual_rating "

+            "GLX_EXT_import_context "

+	    "GLX_SGIX_fbconfig "

+	    "GLX_SGI_make_current_read "

+	    "GLX_SGI_swap_control "

+            ;

+

+static char ExtensionsString[1024];

+

+static void CalcServerVersionAndExtensions( void )

+{

+   int s;

+   xGLXQueryVersionReq *req;

+   xGLXQueryVersionReply reply;

+   char **be_extensions;

+   char *ext;

+   char *denied_extensions;

+

+   /*

+    * set the server glx version to be the minimum version

+    * supported by all back-end servers

+    */

+   __glXVersionMajor = 0;

+   __glXVersionMinor = 0;

+   for (s=0; s<__glXNumActiveScreens; s++) {

+      DMXScreenInfo *dmxScreen = &dmxScreens[s];

+      Display *dpy = dmxScreen->beDisplay;

+

+      /* Send the glXQueryVersion request */

+      LockDisplay(dpy);

+      GetReq(GLXQueryVersion,req);

+      req->reqType = dmxScreen->glxMajorOpcode;

+      req->glxCode = X_GLXQueryVersion;

+      req->majorVersion = GLX_SERVER_MAJOR_VERSION;

+      req->minorVersion = GLX_SERVER_MINOR_VERSION;

+      _XReply(dpy, (xReply*) &reply, 0, False);

+      UnlockDisplay(dpy);

+      SyncHandle();

+

+      if (s == 0) {

+	 __glXVersionMajor = reply.majorVersion;

+	 __glXVersionMinor = reply.minorVersion;

+      }

+      else {

+	 if (reply.majorVersion < __glXVersionMajor) {

+	    __glXVersionMajor = reply.majorVersion;

+	    __glXVersionMinor = reply.minorVersion;

+	 }

+	 else if ( (reply.majorVersion == __glXVersionMajor) &&

+	           (reply.minorVersion < __glXVersionMinor)  ) {

+	    __glXVersionMinor = reply.minorVersion;

+	 }

+      }

+

+   }

+

+   if (GLX_SERVER_MAJOR_VERSION < __glXVersionMajor) {

+      __glXVersionMajor = GLX_SERVER_MAJOR_VERSION;

+      __glXVersionMinor = GLX_SERVER_MINOR_VERSION;

+   }

+   else if ( (GLX_SERVER_MAJOR_VERSION == __glXVersionMajor) &&

+	     (GLX_SERVER_MINOR_VERSION < __glXVersionMinor)  ) {

+      __glXVersionMinor = GLX_SERVER_MINOR_VERSION;

+   }

+

+   sprintf(GLXServerVersion, "%d.%d DMX %d back-end server(s)",

+              __glXVersionMajor, __glXVersionMinor, __glXNumActiveScreens );	 

+   /*

+    * set the ExtensionsString to the minimum extensions string

+    */

+   ExtensionsString[0] = '\0';

+

+   /*

+    * read extensions strings of all back-end servers

+    */

+   be_extensions = (char **)malloc( __glXNumActiveScreens * sizeof(char *) );

+   if (!be_extensions)

+      return;

+

+   for (s=0; s<__glXNumActiveScreens; s++) {

+      DMXScreenInfo *dmxScreen = &dmxScreens[s];

+      Display *dpy = dmxScreen->beDisplay;

+      xGLXQueryServerStringReq *req;

+      xGLXQueryServerStringReply reply;

+      int length, numbytes, slop;

+

+      /* Send the glXQueryServerString request */

+      LockDisplay(dpy);

+      GetReq(GLXQueryServerString,req);

+      req->reqType = dmxScreen->glxMajorOpcode;

+      req->glxCode = X_GLXQueryServerString;

+      req->screen = DefaultScreen(dpy);

+      req->name = GLX_EXTENSIONS;

+      _XReply(dpy, (xReply*) &reply, 0, False);

+

+      length = (int)reply.length;

+      numbytes = (int)reply.n;

+      slop = numbytes * __GLX_SIZE_INT8 & 3;

+      be_extensions[s] = (char *)malloc(numbytes);

+      if (!be_extensions[s]) {

+	 /* Throw data on the floor */

+	 _XEatData(dpy, length);

+      } else {

+	 _XRead(dpy, (char *)be_extensions[s], numbytes);

+	 if (slop) _XEatData(dpy,4-slop);

+      }

+      UnlockDisplay(dpy);

+      SyncHandle();

+   }

+

+   /*

+    * extensions string will include only extensions that our

+    * server supports as well as all back-end servers supports.

+    * extensions that are in the DMX_DENY_EXTENSIONS string will

+    * not be supported.

+    */

+   denied_extensions = getenv("DMX_DENY_GLX_EXTENSIONS");

+   ext = strtok(GLXServerExtensions, " ");

+   while( ext ) {

+      int supported = 1;

+

+      if (denied_extensions && strstr(denied_extensions, ext)) {

+	 supported = 0;

+      }

+      else {

+	 for (s=0; s<__glXNumActiveScreens && supported; s++) {

+	    if ( !strstr(be_extensions[s], ext) ) {

+	       supported = 0;

+	    }

+	 }

+      }

+

+      if (supported) {

+	 strcat(ExtensionsString, ext);

+	 strcat(ExtensionsString, " ");

+      }

+

+      ext = strtok(NULL, " ");

+   }

+

+   /*

+    * release temporary storage

+    */

+   for (s=0; s<__glXNumActiveScreens; s++) {

+      if (be_extensions[s]) Xfree(be_extensions[s]); 

+   }

+   Xfree( be_extensions );

+

+   if (dmxGLXSwapGroupSupport) {

+       if (!denied_extensions ||

+	   !strstr(denied_extensions, "GLX_SGIX_swap_group")) {

+	   strcat(ExtensionsString, "GLX_SGIX_swap_group");

+	   if (!denied_extensions ||

+	       !strstr(denied_extensions, "GLX_SGIX_swap_barrier")) {

+	       strcat(ExtensionsString, " GLX_SGIX_swap_barrier");

+	   }

+       }

+   }

+

+}

+

+void __glXScreenInit(GLint numscreens)

+{

+   int s;

+   int c;

+   DMXScreenInfo *dmxScreen0 = &dmxScreens[0];

+    __glXNumActiveScreens = numscreens;

+

+

+   CalcServerVersionAndExtensions();

+

+

+   __glXFBConfigs = NULL;

+   __glXNumFBConfigs = 0;

+

+   if ( (__glXVersionMajor == 1 && __glXVersionMinor >= 3) ||

+        (__glXVersionMajor > 1) ||

+	( strstr(ExtensionsString, "GLX_SGIX_fbconfig") )      ) {

+

+      /*

+      // Initialize FBConfig info.

+      // find the set of FBConfigs that are present on all back-end

+      // servers - only those configs will be supported

+       */

+      __glXFBConfigs = (__GLXFBConfig **)malloc( dmxScreen0->numFBConfigs *

+	                      (numscreens+1) * sizeof(__GLXFBConfig *) );

+      __glXNumFBConfigs = 0;

+   

+      for (c=0; c<dmxScreen0->numFBConfigs; c++) { 

+	 __GLXFBConfig *cfg = NULL;

+

+	 if (numscreens > 1) {

+	    for (s=1; s<numscreens; s++) {

+	       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+	       __GLXscreenInfo *glxScreen = &__glXActiveScreens[s];

+	  

+	       cfg = FindMatchingFBConfig( &dmxScreen0->fbconfigs[c],

+		                           dmxScreen->fbconfigs, 

+		                           dmxScreen->numFBConfigs );

+	       __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + s + 1 ] = cfg;

+	       if (!cfg) {

+		  dmxLog(dmxInfo,"screen0 FBConfig 0x%x is missing on screen#%d\n", dmxScreen0->fbconfigs[c].id, s);

+		  break;

+	       }

+	       else {

+		  dmxLog(dmxInfo,"screen0 FBConfig 0x%x matched to  0x%x on screen#%d\n", dmxScreen0->fbconfigs[c].id, cfg->id, s);

+	       }

+	    }

+         }

+	 else {

+	    cfg = &dmxScreen0->fbconfigs[c];

+	 }

+

+	 if (cfg) {

+

+	    /* filter out overlay visuals */

+	    if (cfg->level == 0) {

+	       __GLXFBConfig *proxy_cfg;

+

+	       __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 1 ] = 

+	               &dmxScreen0->fbconfigs[c];

+

+	       proxy_cfg = malloc( sizeof(__GLXFBConfig) );

+	       memcpy( proxy_cfg, cfg, sizeof(__GLXFBConfig) );

+	       proxy_cfg->id =  FakeClientID(0);

+	       /* visual will be associated later in __glXGetFBConfigs */

+	       proxy_cfg->associatedVisualId =  (unsigned int)-1;

+

+	       __glXFBConfigs[ __glXNumFBConfigs * (numscreens+1) + 0 ] = proxy_cfg;

+

+	       __glXNumFBConfigs++;

+	    }

+

+	 }

+

+      }

+

+    }

+

+}

+

+void __glXScreenReset(void)

+{

+  __glXNumActiveScreens = 0;

+}

+

+char *__glXGetServerString( unsigned int name ) 

+{

+   char *ret = NULL;

+

+   switch( name) {

+

+      case GLX_VENDOR:

+	 ret = GLXServerVendorName;

+	 break;

+

+      case GLX_VERSION:

+	 ret = GLXServerVersion;

+	 break;

+

+      case GLX_EXTENSIONS:

+	 ret = ExtensionsString;

+	 break;

+

+      default:

+	 break;

+   }

+

+   return( ret );

+

+}

+

+

+__GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id )

+{

+   int i,j;

+

+   for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) {

+      if ( __glXFBConfigs[j]->id == id) 

+	 return( __glXFBConfigs[j] );

+   }

+

+   return(NULL);

+}

+

+__GLXFBConfig *glxLookupFBConfigByVID( VisualID vid )

+{

+   int i,j;

+

+   for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) {

+      if ( __glXFBConfigs[j]->associatedVisualId == vid) 

+	 return( __glXFBConfigs[j] );

+   }

+

+   return(NULL);

+}

+

+__GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen )

+{

+   int i;

+   int j;

+

+   for (i=0, j=0; i<__glXNumFBConfigs; i++,j+=(__glXNumActiveScreens+1) ) {

+      if ( __glXFBConfigs[j]->id == id) 

+	 return( __glXFBConfigs[j+screen+1] );

+   }

+

+   return(NULL);

+

+}

+

+int glxIsExtensionSupported( char *ext )

+{

+   return( strstr(ExtensionsString, ext) != NULL );

+}

diff --git a/xorg-server/hw/dmx/glxProxy/glxsingle.c b/xorg-server/hw/dmx/glxProxy/glxsingle.c
index dcc604052..19f12ad58 100644
--- a/xorg-server/hw/dmx/glxProxy/glxsingle.c
+++ b/xorg-server/hw/dmx/glxProxy/glxsingle.c
@@ -1,1012 +1,1012 @@
-/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-#include "dmxcb.h"
-
-#undef Xmalloc
-#undef Xcalloc
-#undef Xrealloc
-#undef Xfree
-
-#include "glxserver.h"
-#include "glxext.h"
-#include "g_disptab.h"
-/* #include "g_disptab_EXT.h" */
-#include "unpack.h"
-#include "glxutil.h"
-
-#include "GL/glxproto.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-/*
- * GetReqSingle - this is the equivalent of GetReq macro
- *    from Xlibint.h but it does not set the reqType field (the opcode).
- *    this is because the GL single opcodes has different naming convension
- *    the other X opcodes (ie. X_GLsop_GetFloatv).
- */
-#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
-#define GetReqSingle(name, req) \
-        WORD64ALIGN\
-	if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
-		_XFlush(dpy);\
-	req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
-	req->length = (SIZEOF(x##name##Req))>>2;\
-	dpy->bufptr += SIZEOF(x##name##Req);\
-	dpy->request++
-
-#else  /* non-ANSI C uses empty comment instead of "##" for token concatenation */
-#define GetReqSingle(name, req) \
-        WORD64ALIGN\
-	if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
-		_XFlush(dpy);\
-	req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
-	req->length = (SIZEOF(x/**/name/**/Req))>>2;\
-	dpy->bufptr += SIZEOF(x/**/name/**/Req);\
-	dpy->request++
-#endif
-
-#define X_GLXSingle 0   /* needed by GetReqExtra */
-
-extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
-extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
-
-static int swap_vec_element_size = 0;
-
-static void SendSwappedReply( ClientPtr client,
-                              xGLXSingleReply *reply, 
-			      char *buf,
-			      int   buf_size )
-{
-   __GLX_DECLARE_SWAP_VARIABLES;
-   __GLX_SWAP_SHORT(&reply->sequenceNumber);
-   __GLX_SWAP_INT(&reply->length);
-   __GLX_SWAP_INT(&reply->retval);
-   __GLX_SWAP_INT(&reply->size);
-
-   if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
-      /*
-       * the reply has single component - need to swap pad3
-       */
-      if (swap_vec_element_size == 2) {
-	 __GLX_SWAP_SHORT(&reply->pad3);
-      }
-      else if (swap_vec_element_size == 4) {
-	 __GLX_SWAP_INT(&reply->pad3);
-	 __GLX_SWAP_INT(&reply->pad4);    /* some requests use also pad4
-                                          * i.e GetConvolutionFilter
-					  */
-      }
-      else if (swap_vec_element_size == 8) {
-	 __GLX_SWAP_DOUBLE(&reply->pad3);
-      }
-   }
-   else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
-      /*
-       * the reply has vector of elements which needs to be swapped
-       */
-      int vsize = buf_size / swap_vec_element_size;
-      char *p = buf;
-      int i;
-
-      for (i=0; i<vsize; i++) {
-	 if (swap_vec_element_size == 2) {
-	    __GLX_SWAP_SHORT(p);
-	 }
-	 else if (swap_vec_element_size == 4) {
-	    __GLX_SWAP_INT(p);
-	 }
-	 else if (swap_vec_element_size == 8) {
-	    __GLX_SWAP_DOUBLE(p);
-	 }
-
-	 p += swap_vec_element_size;
-      }
-
-      /*
-       * swap pad words as well - for case that some single reply uses
-       * them as well
-       */
-      __GLX_SWAP_INT(&reply->pad3);
-      __GLX_SWAP_INT(&reply->pad4);
-      __GLX_SWAP_INT(&reply->pad5);
-      __GLX_SWAP_INT(&reply->pad6);
-
-   }
-
-    WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply);
-    if (buf_size > 0)
-       WriteToClient(client, buf_size, (char *)buf);
-
-}
-
-int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   xGLXSingleReq *be_req;
-    __GLXcontext *glxc;
-   int from_screen = 0;
-   int to_screen = 0;
-   int buf_size;
-   int s;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXSingleReq;
-    buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
-    /*
-     * just forward the request to back-end server(s)
-     */
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReqSingle(GLXSingle,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = req->glxCode;
-       be_req->length = req->length;
-       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-       if (buf_size > 0) 
-	  _XSend(dpy, (const char *)pc, buf_size);
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       if (req->glxCode == X_GLsop_Flush) {
-	  XFlush(dpy);
-       }
-
-    }
-
-    return Success;
-}
-
-int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
-{
-   ClientPtr client = cl->client;
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   xGLXSingleReq *be_req;
-   xGLXSingleReply reply;
-   xGLXSingleReply be_reply;
-    __GLXcontext *glxc;
-   int buf_size;
-   char *be_buf;
-   int   be_buf_size;
-   DMXScreenInfo *dmxScreen;
-   Display *dpy;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return __glXBadContext;
-    }
-
-    pc += sz_xGLXSingleReq;
-    buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
-    dmxScreen = &dmxScreens[glxc->pScreen->myNum];
-    dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
-
-    /* 
-     * send the request to the first back-end server
-     */
-    LockDisplay(dpy);
-    GetReqSingle(GLXSingle,be_req);
-    be_req->reqType = dmxScreen->glxMajorOpcode;
-    be_req->glxCode = req->glxCode;
-    be_req->length = req->length;
-    be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum);
-    if (buf_size > 0) 
-       _XSend(dpy, (const char *)pc, buf_size);
-
-    /*
-     * get the reply from the back-end server
-     */
-    _XReply(dpy, (xReply*) &be_reply, 0, False);
-    be_buf_size = be_reply.length << 2;
-    if (be_buf_size > 0) {
-       be_buf = (char *)Xalloc( be_buf_size );
-       if (be_buf) {
-	  _XRead(dpy, be_buf, be_buf_size);
-       }
-       else {
-	  /* Throw data on the floor */
-	  _XEatData(dpy, be_buf_size);
-	  return BadAlloc;
-       }
-    }
-
-    UnlockDisplay(dpy);
-    SyncHandle();
-
-    /*
-     * send the reply to the client
-     */
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = be_reply.length;
-    reply.retval = be_reply.retval;
-    reply.size = be_reply.size;
-    reply.pad3 = be_reply.pad3;
-    reply.pad4 = be_reply.pad4;
-
-    if (client->swapped) {
-       SendSwappedReply( client, &reply, be_buf, be_buf_size );
-    }
-    else {
-       WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
-       if (be_buf_size > 0)
-	  WriteToClient(client, be_buf_size, (char *)be_buf);
-    }
-
-    if (be_buf_size > 0) Xfree(be_buf);
-
-    return Success;
-}
-
-int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
-{
-   ClientPtr client = cl->client;
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   xGLXSingleReq *be_req;
-   xGLXSingleReply reply;
-   xGLXSingleReply be_reply;
-    __GLXcontext *glxc;
-   int buf_size;
-   char *be_buf;
-   int   be_buf_size;
-   int from_screen = 0;
-   int to_screen = 0;
-   int s;
-
-   DMXScreenInfo *dmxScreen;
-   Display *dpy;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXSingleReq;
-    buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
-    /* 
-     * send the request to the first back-end server(s)
-     */
-    for (s=to_screen; s>=from_screen; s--) {
-       dmxScreen = &dmxScreens[s];
-       dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReqSingle(GLXSingle,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = req->glxCode;
-       be_req->length = req->length;
-       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-       if (buf_size > 0) 
-	  _XSend(dpy, (const char *)pc, buf_size);
-
-       /*
-	* get the reply from the back-end server
-	*/
-       _XReply(dpy, (xReply*) &be_reply, 0, False);
-       be_buf_size = be_reply.length << 2;
-       if (be_buf_size > 0) {
-	  be_buf = (char *)Xalloc( be_buf_size );
-	  if (be_buf) {
-	     _XRead(dpy, be_buf, be_buf_size);
-	  }
-	  else {
-	     /* Throw data on the floor */
-	     _XEatData(dpy, be_buf_size);
-	     return BadAlloc;
-	  }
-       }
-
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       if (s > from_screen && be_buf_size > 0) {
-	  Xfree(be_buf);
-       }
-    }
-
-    /*
-     * send the reply to the client
-     */
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = be_reply.length;
-    reply.retval = be_reply.retval;
-    reply.size = be_reply.size;
-    reply.pad3 = be_reply.pad3;
-    reply.pad4 = be_reply.pad4;
-
-    if (client->swapped) {
-       SendSwappedReply( client, &reply, be_buf, be_buf_size );
-    }
-    else {
-       WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
-       if (be_buf_size > 0)
-	  WriteToClient(client, be_buf_size, (char *)be_buf);
-    }
-
-    if (be_buf_size > 0) Xfree(be_buf);
-
-    return Success;
-}
-
-int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 0;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXForwardSingleReq( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 0;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 2;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 4;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 8;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 0;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 2;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 4;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXSingleReq *req = (xGLXSingleReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 8;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXSingleReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXSingleReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-
-   return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h, 
-                          int *elementbits_return, int *rowbytes_return )
-{
-    GLint elements, esize;
-    GLint rowsize, padding;
-
-    if (w < 0 || h < 0) {
-	return -1;
-    }
-    switch (format) {
-      case GL_COLOR_INDEX:
-      case GL_STENCIL_INDEX:
-      case GL_DEPTH_COMPONENT:
-	elements = 1;
-	break;
-      case GL_RED:
-      case GL_GREEN:
-      case GL_BLUE:
-      case GL_ALPHA:
-      case GL_LUMINANCE:
-	elements = 1;
-	break;
-      case GL_LUMINANCE_ALPHA:
-	elements = 2;
-	break;
-      case GL_RGB:
-      case GL_BGR:
-	elements = 3;
-	break;
-      case GL_RGBA:
-      case GL_BGRA:
-      case GL_ABGR_EXT:
-	elements = 4;
-	break;
-      default:
-	return -1;
-    }
-    /*
-    ** According to the GLX protocol, each row must be padded to a multiple of
-    ** 4 bytes.  4 bytes also happens to be the default alignment in the pixel
-    ** store modes of the GL.
-    */
-    switch (type) {
-      case GL_BITMAP:
-	if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
-	   rowsize = ((w * elements)+7)/8;
-	   padding = rowsize % 4;
-	   if (padding) {
-	      rowsize += 4 - padding;
-	   }
-	   if (elementbits_return) *elementbits_return = elements;
-	   if (rowbytes_return) *rowbytes_return = rowsize;
-	   return (rowsize * h);
-	} else {
-	   return -1;
-	}
-      case GL_BYTE:
-      case GL_UNSIGNED_BYTE:
-	esize = 1;
-	break;
-      case GL_UNSIGNED_BYTE_3_3_2:
-      case GL_UNSIGNED_BYTE_2_3_3_REV:
-	esize = 1;
-	elements = 1;
-	break;
-      case GL_SHORT:
-      case GL_UNSIGNED_SHORT:
-	esize = 2;
-	break;
-      case GL_UNSIGNED_SHORT_5_6_5:
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-      case GL_UNSIGNED_SHORT_4_4_4_4:
-      case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-      case GL_UNSIGNED_SHORT_5_5_5_1:
-      case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-	esize = 2;
-	elements = 1;
-	break;
-      case GL_INT:
-      case GL_UNSIGNED_INT:
-      case GL_FLOAT:
-	esize = 4;
-	break;
-      case GL_UNSIGNED_INT_8_8_8_8:
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_INT_10_10_10_2:
-      case GL_UNSIGNED_INT_2_10_10_10_REV:
-	esize = 4;
-	elements = 1;
-	break;
-      default:
-	return -1;
-    }
-    rowsize = w * elements * esize;
-    padding = rowsize % 4;
-    if (padding) {
-	rowsize += 4 - padding;
-    }
-
-    if (elementbits_return) *elementbits_return = esize*elements*8;
-    if (rowbytes_return) *rowbytes_return = rowsize;
-
-    return (rowsize * h);
-}
-
-static int intersectRect( int x1, int x2, int y1, int y2,
-                    int X1, int X2, int Y1, int Y2,
-		    int *ix1, int *ix2, int *iy1, int *iy2 )
-{
-   int right = (x2 < X2 ? x2 : X2);
-   int bottom = (y2 < Y2 ? y2 : Y2);
-   int left = (x1 > X1 ? x1 : X1);
-   int top = (y1 > Y1 ? y1 : Y1);
-   int width = right - left + 1;
-   int height = bottom - top + 1;
-
-   if ( (width <= 0) || (height <= 0) ) {
-      *ix1 = *ix2 = *iy1 = *iy2 = 0;
-      return(0);
-   }
-   else {
-      *ix1 = left;
-      *ix2 = right;
-      *iy1 = top;
-      *iy2 = bottom;
-      return( width * height );
-   }
-
-}
-
-int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
-{
-    xGLXSingleReq *req = (xGLXSingleReq *)pc;
-    xGLXSingleReq *be_req;
-    xGLXReadPixelsReply reply;
-    xGLXReadPixelsReply be_reply;
-    GLbyte *be_pc;
-    GLint x,y;
-    GLsizei width, height;
-    GLenum format, type;
-    GLboolean swapBytes, lsbFirst;
-    ClientPtr client = cl->client;
-    DrawablePtr pDraw;
-    int error;
-    __GLXcontext *glxc;
-    int from_screen = 0;
-    int to_screen = 0;
-    char *buf;
-    int buf_size;
-    int s;
-    int win_x1, win_x2;
-    int win_y1, win_y2;
-    int ebits, rowsize;
-    __GLX_DECLARE_SWAP_VARIABLES;
-
-    if (client->swapped) {
-       __GLX_SWAP_INT(&req->contextTag);
-    }
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXSingleReq;
-    x = *(GLint *)(pc + 0);
-    y = *(GLint *)(pc + 4);
-    width = *(GLsizei *)(pc + 8);
-    height = *(GLsizei *)(pc + 12);
-    format = *(GLenum *)(pc + 16);
-    type = *(GLenum *)(pc + 20);
-    swapBytes = *(GLboolean *)(pc + 24);
-    lsbFirst = *(GLboolean *)(pc + 25);
-
-    if (client->swapped) {
-       __GLX_SWAP_INT(&x);
-       __GLX_SWAP_INT(&y);
-       __GLX_SWAP_INT(&width);
-       __GLX_SWAP_INT(&height);
-       __GLX_SWAP_INT(&format);
-       __GLX_SWAP_INT(&type);
-       swapBytes = !swapBytes;
-    }
-
-    buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize);
-    if (buf_size > 0) {
-       buf = (char *) Xalloc( buf_size );
-       if ( !buf ) {
-	  return( BadAlloc );
-       }
-    }
-    else {
-       buf_size = 0;
-    }
-
-    if (buf_size > 0) {
-       /*
-	* Get the current drawable this context is bound to
-	*/
-       pDraw = __glXLookupDrawableByTag( cl, req->contextTag );
-       win_x1 = pDraw->x + x;
-       win_x2 = win_x1 + width - 1;
-       win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y;
-       win_y2 = win_y1 + height - 1;
-       if (pDraw->type != DRAWABLE_WINDOW) {
-	  from_screen = to_screen = 0;
-       }
-
-       for (s=from_screen; s<=to_screen; s++) {
-	  DMXScreenInfo *dmxScreen = &dmxScreens[s];
-	  Display *dpy = GetBackEndDisplay(cl,s);
-	  int scr_x1 = dmxScreen->rootXOrigin;
-	  int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1;
-	  int scr_y1 = dmxScreen->rootYOrigin;
-	  int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1;
-	  int wx1, wx2, wy1, wy2;
-	  int sx, sy, sw, sh;
-	  int npixels;
-
-	  /*
-	   * find the window portion that is on the current screen
-	   */
-	  if (pDraw->type == DRAWABLE_WINDOW) {
-	     npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2,
-		   win_x1, win_x2, win_y1, win_y2,
-		   &wx1, &wx2, &wy1, &wy2 );
-	  }
-	  else {
-	     wx1 = win_x1;
-	     wx2 = win_x2;
-	     wy1 = win_y1;
-	     wy2 = win_y2;
-	     npixels = (wx2-wx1+1) * (wy2-wy1+1);
-	  }
-
-   	  if (npixels > 0) {
-
-   	     /* send the request to the back-end server */
-   	     LockDisplay(dpy);
-   	     GetReqExtra(GLXSingle,__GLX_PAD(26),be_req);
-   	     be_req->reqType = dmxScreen->glxMajorOpcode;
-   	     be_req->glxCode = X_GLsop_ReadPixels;
-   	     be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-   	     be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq);
-
-   	     sx = wx1 - pDraw->x;
-   	     sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height); 
-   	     sw = (wx2-wx1+1); 
-   	     sh = (wy2-wy1+1); 
-	     
-	     *(GLint *)(be_pc + 0) = sx;    /* x */
-	     *(GLint *)(be_pc + 4) = sy;    /* y */
-	     *(GLsizei *)(be_pc + 8) = sw;    /* width */
-	     *(GLsizei *)(be_pc + 12) = sh;   /* height */
-	     *(GLenum *)(be_pc + 16) = format; 
-	     *(GLenum *)(be_pc + 20) = type;
-	     *(GLboolean *)(be_pc + 24) = swapBytes;
-	     *(GLboolean *)(be_pc + 25) = lsbFirst;
-
-	     _XReply(dpy, (xReply*) &be_reply, 0, False);
-         
-	     if (be_reply.length > 0) {
-		char *be_buf;
-		int be_buf_size = be_reply.length << 2;
-
-		be_buf = (char *) Xalloc( be_buf_size );
-		if (be_buf) {
-		   _XRead(dpy, be_buf, be_buf_size);
-
-		   /* copy pixels data to the right location of the */
-		   /* reply buffer */
-		   if ( type != GL_BITMAP ) {
-		      int pbytes = ebits / 8;
-		      char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes;
-		      char *src = be_buf;
-		      int pad = (pbytes * sw) % 4;
-		      int r;
-
-		      for (r=0; r<sh; r++) {
-			 memcpy( dst, src, pbytes*sw );
-			 dst += rowsize;
-			 src += (pbytes*sw + (pad ? 4-pad : 0) );
-		      }
-		   }
-		   else {
-		      /* this is a GL_BITMAP pixel type, should copy bits */
-		      int r;
-		      int src_rowsize = bits_to_bytes(sw * ebits);
-		      int src_pad = src_rowsize % 4;
-                      if ( src_pad ) {
-			 src_rowsize += (4 - src_pad);
-		      }
-
-		      for (r=0; r<sh; r++) {
-			 unsigned char dst_mask = 0x80 >> (sx % 8);
-			 unsigned char src_mask = 0x80;
-			 char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8;
-			 char *src = be_buf + r*src_rowsize;
-			 int b;
-
-			 for (b=0; b<sw*ebits; b++) {
-			    if ( *src & src_mask ) {
-			       *dst |= dst_mask;
-			    }
-			    else {
-			       *dst &= ~dst_mask;
-			    }
-
-			    if (dst_mask > 1) dst_mask >>= 1;
-			    else { 
-			       dst_mask = 0x80;
-			       dst++;
-			    }
-
-			    if (src_mask > 1) src_mask >>= 1;
-			    else {
-			       src_mask = 0x80;
-			       src++;
-			    }
-			 }
-		      }
-
-		   }
-
-		   Xfree( be_buf );
-		}
-		else {
-		   /* Throw data on the floor */
-		   _XEatData(dpy, be_buf_size);
-		   Xfree( buf );
-		   return BadAlloc;
-		}
-	     }
-
-	     UnlockDisplay(dpy);
-	     SyncHandle();
-
-	  } /* of npixels > 0 */ 
-
-       }  /* of for loop */
-
-    } /* of if buf_size > 0 */
-
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-    reply.length = buf_size >> 2;
-
-    if (client->swapped) {
-       __GLX_SWAP_SHORT(&reply.sequenceNumber);
-       __GLX_SWAP_INT(&reply.length);
-    }
-
-    WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply);
-    if (buf_size > 0) {
-       WriteToClient(client, buf_size, (char *)buf);
-       Xfree( buf );
-    }
-
-    return Success;
-}
-
-int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)
-{
-    __GLX_DECLARE_SWAP_VARIABLES;
-    GLbyte *lpc = pc;
-
-    lpc += sz_xGLXSingleReq;
-    __GLX_SWAP_INT(lpc+0);
-    __GLX_SWAP_INT(lpc+4);
-    __GLX_SWAP_INT(lpc+8);
-    __GLX_SWAP_INT(lpc+12);
-
-    /* reverse swapBytes */
-    *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16);
-
-    return( __glXForwardPipe0WithReplySwap( cl, pc ) );
-}
-
-int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
-{
-    __GLX_DECLARE_SWAP_VARIABLES;
-    GLbyte *lpc = pc;
-
-    lpc += sz_xGLXSingleReq;
-    __GLX_SWAP_INT(lpc+0);
-    __GLX_SWAP_INT(lpc+4);
-    __GLX_SWAP_INT(lpc+8);
-
-    /* reverse swapBytes */
-    *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12);
-
-    return( __glXForwardPipe0WithReplySwap( cl, pc ) );
-}
-
-
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */

+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include "dmx.h"

+#include "dmxwindow.h"

+#include "dmxpixmap.h"

+#include "dmxfont.h"

+#include "dmxcb.h"

+

+#undef Xmalloc

+#undef Xcalloc

+#undef Xrealloc

+#undef Xfree

+

+#include "glxserver.h"

+#include "glxext.h"

+#include "g_disptab.h"

+/* #include "g_disptab_EXT.h" */

+#include "unpack.h"

+#include "glxutil.h"

+

+#include "GL/glxproto.h"

+

+#ifdef PANORAMIX

+#include "panoramiXsrv.h"

+#endif

+

+/*

+ * GetReqSingle - this is the equivalent of GetReq macro

+ *    from Xlibint.h but it does not set the reqType field (the opcode).

+ *    this is because the GL single opcodes has different naming convension

+ *    the other X opcodes (ie. X_GLsop_GetFloatv).

+ */

+#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)

+#define GetReqSingle(name, req) \

+        WORD64ALIGN\

+	if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\

+		_XFlush(dpy);\

+	req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\

+	req->length = (SIZEOF(x##name##Req))>>2;\

+	dpy->bufptr += SIZEOF(x##name##Req);\

+	dpy->request++

+

+#else  /* non-ANSI C uses empty comment instead of "##" for token concatenation */

+#define GetReqSingle(name, req) \

+        WORD64ALIGN\

+	if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\

+		_XFlush(dpy);\

+	req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\

+	req->length = (SIZEOF(x/**/name/**/Req))>>2;\

+	dpy->bufptr += SIZEOF(x/**/name/**/Req);\

+	dpy->request++

+#endif

+

+#define X_GLXSingle 0   /* needed by GetReqExtra */

+

+extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );

+extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);

+

+static int swap_vec_element_size = 0;

+

+static void SendSwappedReply( ClientPtr client,

+                              xGLXSingleReply *reply, 

+			      char *buf,

+			      int   buf_size )

+{

+   __GLX_DECLARE_SWAP_VARIABLES;

+   __GLX_SWAP_SHORT(&reply->sequenceNumber);

+   __GLX_SWAP_INT(&reply->length);

+   __GLX_SWAP_INT(&reply->retval);

+   __GLX_SWAP_INT(&reply->size);

+

+   if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {

+      /*

+       * the reply has single component - need to swap pad3

+       */

+      if (swap_vec_element_size == 2) {

+	 __GLX_SWAP_SHORT(&reply->pad3);

+      }

+      else if (swap_vec_element_size == 4) {

+	 __GLX_SWAP_INT(&reply->pad3);

+	 __GLX_SWAP_INT(&reply->pad4);    /* some requests use also pad4

+                                          * i.e GetConvolutionFilter

+					  */

+      }

+      else if (swap_vec_element_size == 8) {

+	 __GLX_SWAP_DOUBLE(&reply->pad3);

+      }

+   }

+   else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {

+      /*

+       * the reply has vector of elements which needs to be swapped

+       */

+      int vsize = buf_size / swap_vec_element_size;

+      char *p = buf;

+      int i;

+

+      for (i=0; i<vsize; i++) {

+	 if (swap_vec_element_size == 2) {

+	    __GLX_SWAP_SHORT(p);

+	 }

+	 else if (swap_vec_element_size == 4) {

+	    __GLX_SWAP_INT(p);

+	 }

+	 else if (swap_vec_element_size == 8) {

+	    __GLX_SWAP_DOUBLE(p);

+	 }

+

+	 p += swap_vec_element_size;

+      }

+

+      /*

+       * swap pad words as well - for case that some single reply uses

+       * them as well

+       */

+      __GLX_SWAP_INT(&reply->pad3);

+      __GLX_SWAP_INT(&reply->pad4);

+      __GLX_SWAP_INT(&reply->pad5);

+      __GLX_SWAP_INT(&reply->pad6);

+

+   }

+

+    WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply);

+    if (buf_size > 0)

+       WriteToClient(client, buf_size, (char *)buf);

+

+}

+

+int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   xGLXSingleReq *be_req;

+    __GLXcontext *glxc;

+   int from_screen = 0;

+   int to_screen = 0;

+   int buf_size;

+   int s;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXSingleReq;

+    buf_size = (req->length << 2) - sz_xGLXSingleReq;

+

+    /*

+     * just forward the request to back-end server(s)

+     */

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReqSingle(GLXSingle,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = req->glxCode;

+       be_req->length = req->length;

+       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+       if (buf_size > 0) 

+	  _XSend(dpy, (const char *)pc, buf_size);

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       if (req->glxCode == X_GLsop_Flush) {

+	  XFlush(dpy);

+       }

+

+    }

+

+    return Success;

+}

+

+int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )

+{

+   ClientPtr client = cl->client;

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   xGLXSingleReq *be_req;

+   xGLXSingleReply reply;

+   xGLXSingleReply be_reply;

+    __GLXcontext *glxc;

+   int buf_size;

+   char *be_buf;

+   int   be_buf_size;

+   DMXScreenInfo *dmxScreen;

+   Display *dpy;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return __glXBadContext;

+    }

+

+    pc += sz_xGLXSingleReq;

+    buf_size = (req->length << 2) - sz_xGLXSingleReq;

+

+    dmxScreen = &dmxScreens[glxc->pScreen->myNum];

+    dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);

+

+    /* 

+     * send the request to the first back-end server

+     */

+    LockDisplay(dpy);

+    GetReqSingle(GLXSingle,be_req);

+    be_req->reqType = dmxScreen->glxMajorOpcode;

+    be_req->glxCode = req->glxCode;

+    be_req->length = req->length;

+    be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum);

+    if (buf_size > 0) 

+       _XSend(dpy, (const char *)pc, buf_size);

+

+    /*

+     * get the reply from the back-end server

+     */

+    _XReply(dpy, (xReply*) &be_reply, 0, False);

+    be_buf_size = be_reply.length << 2;

+    if (be_buf_size > 0) {

+       be_buf = (char *)malloc( be_buf_size );

+       if (be_buf) {

+	  _XRead(dpy, be_buf, be_buf_size);

+       }

+       else {

+	  /* Throw data on the floor */

+	  _XEatData(dpy, be_buf_size);

+	  return BadAlloc;

+       }

+    }

+

+    UnlockDisplay(dpy);

+    SyncHandle();

+

+    /*

+     * send the reply to the client

+     */

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = be_reply.length;

+    reply.retval = be_reply.retval;

+    reply.size = be_reply.size;

+    reply.pad3 = be_reply.pad3;

+    reply.pad4 = be_reply.pad4;

+

+    if (client->swapped) {

+       SendSwappedReply( client, &reply, be_buf, be_buf_size );

+    }

+    else {

+       WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);

+       if (be_buf_size > 0)

+	  WriteToClient(client, be_buf_size, (char *)be_buf);

+    }

+

+    if (be_buf_size > 0) Xfree(be_buf);

+

+    return Success;

+}

+

+int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )

+{

+   ClientPtr client = cl->client;

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   xGLXSingleReq *be_req;

+   xGLXSingleReply reply;

+   xGLXSingleReply be_reply;

+    __GLXcontext *glxc;

+   int buf_size;

+   char *be_buf;

+   int   be_buf_size;

+   int from_screen = 0;

+   int to_screen = 0;

+   int s;

+

+   DMXScreenInfo *dmxScreen;

+   Display *dpy;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXSingleReq;

+    buf_size = (req->length << 2) - sz_xGLXSingleReq;

+

+    /* 

+     * send the request to the first back-end server(s)

+     */

+    for (s=to_screen; s>=from_screen; s--) {

+       dmxScreen = &dmxScreens[s];

+       dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReqSingle(GLXSingle,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = req->glxCode;

+       be_req->length = req->length;

+       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+       if (buf_size > 0) 

+	  _XSend(dpy, (const char *)pc, buf_size);

+

+       /*

+	* get the reply from the back-end server

+	*/

+       _XReply(dpy, (xReply*) &be_reply, 0, False);

+       be_buf_size = be_reply.length << 2;

+       if (be_buf_size > 0) {

+	  be_buf = (char *)malloc( be_buf_size );

+	  if (be_buf) {

+	     _XRead(dpy, be_buf, be_buf_size);

+	  }

+	  else {

+	     /* Throw data on the floor */

+	     _XEatData(dpy, be_buf_size);

+	     return BadAlloc;

+	  }

+       }

+

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       if (s > from_screen && be_buf_size > 0) {

+	  Xfree(be_buf);

+       }

+    }

+

+    /*

+     * send the reply to the client

+     */

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = be_reply.length;

+    reply.retval = be_reply.retval;

+    reply.size = be_reply.size;

+    reply.pad3 = be_reply.pad3;

+    reply.pad4 = be_reply.pad4;

+

+    if (client->swapped) {

+       SendSwappedReply( client, &reply, be_buf, be_buf_size );

+    }

+    else {

+       WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);

+       if (be_buf_size > 0)

+	  WriteToClient(client, be_buf_size, (char *)be_buf);

+    }

+

+    if (be_buf_size > 0) Xfree(be_buf);

+

+    return Success;

+}

+

+int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 0;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXForwardSingleReq( cl, pc ) );

+}

+

+int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 0;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 2;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 4;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 8;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 0;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardAllWithReply( cl, pc ) );

+}

+

+int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 2;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardAllWithReply( cl, pc ) );

+}

+

+int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 4;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardAllWithReply( cl, pc ) );

+}

+

+int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXSingleReq *req = (xGLXSingleReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 8;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXSingleReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXSingleReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+

+   return( __glXForwardAllWithReply( cl, pc ) );

+}

+

+static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h, 

+                          int *elementbits_return, int *rowbytes_return )

+{

+    GLint elements, esize;

+    GLint rowsize, padding;

+

+    if (w < 0 || h < 0) {

+	return -1;

+    }

+    switch (format) {

+      case GL_COLOR_INDEX:

+      case GL_STENCIL_INDEX:

+      case GL_DEPTH_COMPONENT:

+	elements = 1;

+	break;

+      case GL_RED:

+      case GL_GREEN:

+      case GL_BLUE:

+      case GL_ALPHA:

+      case GL_LUMINANCE:

+	elements = 1;

+	break;

+      case GL_LUMINANCE_ALPHA:

+	elements = 2;

+	break;

+      case GL_RGB:

+      case GL_BGR:

+	elements = 3;

+	break;

+      case GL_RGBA:

+      case GL_BGRA:

+      case GL_ABGR_EXT:

+	elements = 4;

+	break;

+      default:

+	return -1;

+    }

+    /*

+    ** According to the GLX protocol, each row must be padded to a multiple of

+    ** 4 bytes.  4 bytes also happens to be the default alignment in the pixel

+    ** store modes of the GL.

+    */

+    switch (type) {

+      case GL_BITMAP:

+	if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {

+	   rowsize = ((w * elements)+7)/8;

+	   padding = rowsize % 4;

+	   if (padding) {

+	      rowsize += 4 - padding;

+	   }

+	   if (elementbits_return) *elementbits_return = elements;

+	   if (rowbytes_return) *rowbytes_return = rowsize;

+	   return (rowsize * h);

+	} else {

+	   return -1;

+	}

+      case GL_BYTE:

+      case GL_UNSIGNED_BYTE:

+	esize = 1;

+	break;

+      case GL_UNSIGNED_BYTE_3_3_2:

+      case GL_UNSIGNED_BYTE_2_3_3_REV:

+	esize = 1;

+	elements = 1;

+	break;

+      case GL_SHORT:

+      case GL_UNSIGNED_SHORT:

+	esize = 2;

+	break;

+      case GL_UNSIGNED_SHORT_5_6_5:

+      case GL_UNSIGNED_SHORT_5_6_5_REV:

+      case GL_UNSIGNED_SHORT_4_4_4_4:

+      case GL_UNSIGNED_SHORT_4_4_4_4_REV:

+      case GL_UNSIGNED_SHORT_5_5_5_1:

+      case GL_UNSIGNED_SHORT_1_5_5_5_REV:

+	esize = 2;

+	elements = 1;

+	break;

+      case GL_INT:

+      case GL_UNSIGNED_INT:

+      case GL_FLOAT:

+	esize = 4;

+	break;

+      case GL_UNSIGNED_INT_8_8_8_8:

+      case GL_UNSIGNED_INT_8_8_8_8_REV:

+      case GL_UNSIGNED_INT_10_10_10_2:

+      case GL_UNSIGNED_INT_2_10_10_10_REV:

+	esize = 4;

+	elements = 1;

+	break;

+      default:

+	return -1;

+    }

+    rowsize = w * elements * esize;

+    padding = rowsize % 4;

+    if (padding) {

+	rowsize += 4 - padding;

+    }

+

+    if (elementbits_return) *elementbits_return = esize*elements*8;

+    if (rowbytes_return) *rowbytes_return = rowsize;

+

+    return (rowsize * h);

+}

+

+static int intersectRect( int x1, int x2, int y1, int y2,

+                    int X1, int X2, int Y1, int Y2,

+		    int *ix1, int *ix2, int *iy1, int *iy2 )

+{

+   int right = (x2 < X2 ? x2 : X2);

+   int bottom = (y2 < Y2 ? y2 : Y2);

+   int left = (x1 > X1 ? x1 : X1);

+   int top = (y1 > Y1 ? y1 : Y1);

+   int width = right - left + 1;

+   int height = bottom - top + 1;

+

+   if ( (width <= 0) || (height <= 0) ) {

+      *ix1 = *ix2 = *iy1 = *iy2 = 0;

+      return(0);

+   }

+   else {

+      *ix1 = left;

+      *ix2 = right;

+      *iy1 = top;

+      *iy2 = bottom;

+      return( width * height );

+   }

+

+}

+

+int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)

+{

+    xGLXSingleReq *req = (xGLXSingleReq *)pc;

+    xGLXSingleReq *be_req;

+    xGLXReadPixelsReply reply;

+    xGLXReadPixelsReply be_reply;

+    GLbyte *be_pc;

+    GLint x,y;

+    GLsizei width, height;

+    GLenum format, type;

+    GLboolean swapBytes, lsbFirst;

+    ClientPtr client = cl->client;

+    DrawablePtr pDraw;

+    int error;

+    __GLXcontext *glxc;

+    int from_screen = 0;

+    int to_screen = 0;

+    char *buf;

+    int buf_size;

+    int s;

+    int win_x1, win_x2;

+    int win_y1, win_y2;

+    int ebits, rowsize;

+    __GLX_DECLARE_SWAP_VARIABLES;

+

+    if (client->swapped) {

+       __GLX_SWAP_INT(&req->contextTag);

+    }

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXSingleReq;

+    x = *(GLint *)(pc + 0);

+    y = *(GLint *)(pc + 4);

+    width = *(GLsizei *)(pc + 8);

+    height = *(GLsizei *)(pc + 12);

+    format = *(GLenum *)(pc + 16);

+    type = *(GLenum *)(pc + 20);

+    swapBytes = *(GLboolean *)(pc + 24);

+    lsbFirst = *(GLboolean *)(pc + 25);

+

+    if (client->swapped) {

+       __GLX_SWAP_INT(&x);

+       __GLX_SWAP_INT(&y);

+       __GLX_SWAP_INT(&width);

+       __GLX_SWAP_INT(&height);

+       __GLX_SWAP_INT(&format);

+       __GLX_SWAP_INT(&type);

+       swapBytes = !swapBytes;

+    }

+

+    buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize);

+    if (buf_size > 0) {

+       buf = (char *) malloc( buf_size );

+       if ( !buf ) {

+	  return( BadAlloc );

+       }

+    }

+    else {

+       buf_size = 0;

+    }

+

+    if (buf_size > 0) {

+       /*

+	* Get the current drawable this context is bound to

+	*/

+       pDraw = __glXLookupDrawableByTag( cl, req->contextTag );

+       win_x1 = pDraw->x + x;

+       win_x2 = win_x1 + width - 1;

+       win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y;

+       win_y2 = win_y1 + height - 1;

+       if (pDraw->type != DRAWABLE_WINDOW) {

+	  from_screen = to_screen = 0;

+       }

+

+       for (s=from_screen; s<=to_screen; s++) {

+	  DMXScreenInfo *dmxScreen = &dmxScreens[s];

+	  Display *dpy = GetBackEndDisplay(cl,s);

+	  int scr_x1 = dmxScreen->rootXOrigin;

+	  int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1;

+	  int scr_y1 = dmxScreen->rootYOrigin;

+	  int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1;

+	  int wx1, wx2, wy1, wy2;

+	  int sx, sy, sw, sh;

+	  int npixels;

+

+	  /*

+	   * find the window portion that is on the current screen

+	   */

+	  if (pDraw->type == DRAWABLE_WINDOW) {

+	     npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2,

+		   win_x1, win_x2, win_y1, win_y2,

+		   &wx1, &wx2, &wy1, &wy2 );

+	  }

+	  else {

+	     wx1 = win_x1;

+	     wx2 = win_x2;

+	     wy1 = win_y1;

+	     wy2 = win_y2;

+	     npixels = (wx2-wx1+1) * (wy2-wy1+1);

+	  }

+

+   	  if (npixels > 0) {

+

+   	     /* send the request to the back-end server */

+   	     LockDisplay(dpy);

+   	     GetReqExtra(GLXSingle,__GLX_PAD(26),be_req);

+   	     be_req->reqType = dmxScreen->glxMajorOpcode;

+   	     be_req->glxCode = X_GLsop_ReadPixels;

+   	     be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+   	     be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq);

+

+   	     sx = wx1 - pDraw->x;

+   	     sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height); 

+   	     sw = (wx2-wx1+1); 

+   	     sh = (wy2-wy1+1); 

+	     

+	     *(GLint *)(be_pc + 0) = sx;    /* x */

+	     *(GLint *)(be_pc + 4) = sy;    /* y */

+	     *(GLsizei *)(be_pc + 8) = sw;    /* width */

+	     *(GLsizei *)(be_pc + 12) = sh;   /* height */

+	     *(GLenum *)(be_pc + 16) = format; 

+	     *(GLenum *)(be_pc + 20) = type;

+	     *(GLboolean *)(be_pc + 24) = swapBytes;

+	     *(GLboolean *)(be_pc + 25) = lsbFirst;

+

+	     _XReply(dpy, (xReply*) &be_reply, 0, False);

+         

+	     if (be_reply.length > 0) {

+		char *be_buf;

+		int be_buf_size = be_reply.length << 2;

+

+		be_buf = (char *) malloc( be_buf_size );

+		if (be_buf) {

+		   _XRead(dpy, be_buf, be_buf_size);

+

+		   /* copy pixels data to the right location of the */

+		   /* reply buffer */

+		   if ( type != GL_BITMAP ) {

+		      int pbytes = ebits / 8;

+		      char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes;

+		      char *src = be_buf;

+		      int pad = (pbytes * sw) % 4;

+		      int r;

+

+		      for (r=0; r<sh; r++) {

+			 memcpy( dst, src, pbytes*sw );

+			 dst += rowsize;

+			 src += (pbytes*sw + (pad ? 4-pad : 0) );

+		      }

+		   }

+		   else {

+		      /* this is a GL_BITMAP pixel type, should copy bits */

+		      int r;

+		      int src_rowsize = bits_to_bytes(sw * ebits);

+		      int src_pad = src_rowsize % 4;

+                      if ( src_pad ) {

+			 src_rowsize += (4 - src_pad);

+		      }

+

+		      for (r=0; r<sh; r++) {

+			 unsigned char dst_mask = 0x80 >> (sx % 8);

+			 unsigned char src_mask = 0x80;

+			 char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8;

+			 char *src = be_buf + r*src_rowsize;

+			 int b;

+

+			 for (b=0; b<sw*ebits; b++) {

+			    if ( *src & src_mask ) {

+			       *dst |= dst_mask;

+			    }

+			    else {

+			       *dst &= ~dst_mask;

+			    }

+

+			    if (dst_mask > 1) dst_mask >>= 1;

+			    else { 

+			       dst_mask = 0x80;

+			       dst++;

+			    }

+

+			    if (src_mask > 1) src_mask >>= 1;

+			    else {

+			       src_mask = 0x80;

+			       src++;

+			    }

+			 }

+		      }

+

+		   }

+

+		   Xfree( be_buf );

+		}

+		else {

+		   /* Throw data on the floor */

+		   _XEatData(dpy, be_buf_size);

+		   Xfree( buf );

+		   return BadAlloc;

+		}

+	     }

+

+	     UnlockDisplay(dpy);

+	     SyncHandle();

+

+	  } /* of npixels > 0 */ 

+

+       }  /* of for loop */

+

+    } /* of if buf_size > 0 */

+

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+    reply.length = buf_size >> 2;

+

+    if (client->swapped) {

+       __GLX_SWAP_SHORT(&reply.sequenceNumber);

+       __GLX_SWAP_INT(&reply.length);

+    }

+

+    WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply);

+    if (buf_size > 0) {

+       WriteToClient(client, buf_size, (char *)buf);

+       Xfree( buf );

+    }

+

+    return Success;

+}

+

+int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)

+{

+    __GLX_DECLARE_SWAP_VARIABLES;

+    GLbyte *lpc = pc;

+

+    lpc += sz_xGLXSingleReq;

+    __GLX_SWAP_INT(lpc+0);

+    __GLX_SWAP_INT(lpc+4);

+    __GLX_SWAP_INT(lpc+8);

+    __GLX_SWAP_INT(lpc+12);

+

+    /* reverse swapBytes */

+    *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16);

+

+    return( __glXForwardPipe0WithReplySwap( cl, pc ) );

+}

+

+int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)

+{

+    __GLX_DECLARE_SWAP_VARIABLES;

+    GLbyte *lpc = pc;

+

+    lpc += sz_xGLXSingleReq;

+    __GLX_SWAP_INT(lpc+0);

+    __GLX_SWAP_INT(lpc+4);

+    __GLX_SWAP_INT(lpc+8);

+

+    /* reverse swapBytes */

+    *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12);

+

+    return( __glXForwardPipe0WithReplySwap( cl, pc ) );

+}

+

+

diff --git a/xorg-server/hw/dmx/glxProxy/glxswap.c b/xorg-server/hw/dmx/glxProxy/glxswap.c
index 1e184f914..1471d8b5f 100644
--- a/xorg-server/hw/dmx/glxProxy/glxswap.c
+++ b/xorg-server/hw/dmx/glxProxy/glxswap.c
@@ -1,538 +1,538 @@
-/*
- * Copyright 2003 Red Hat Inc., Raleigh, North Carolina.
- *
- * 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 on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, 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 RED HAT AND/OR THEIR 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 <kem@redhat.com>
- *
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "glxserver.h"
-#include "glxswap.h"
-
-extern int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId,
-			      GLXContextTag tag);
-
-typedef struct _SwapGroup *SwapGroupPtr;
-
-static Bool SwapBarrierIsReadyToSwap(GLuint barrier);
-static void SwapSwapBarrier(GLuint barrier);
-static void UpdateSwapBarrierList(GLuint barrier,
-				  SwapGroupPtr pOldSwap,
-				  SwapGroupPtr pNewSwap);
-
-
-/************************************************************************
- *
- * Swap Groups
- *
- ************************************************************************/
-
-typedef struct _SwapGroup {
-    WindowPtr         pWin;
-    SwapGroupPtr      pNext;
-
-    Bool              swapping;
-    Bool              sleeping;
-    GLuint            barrier;
-
-    XID               drawable;
-    GLXContextTag     tag;
-    __GLXclientState *clState;
-} SwapGroupRec;
-
-
-static void SwapSwapGroup(SwapGroupPtr pSwap)
-{
-    SwapGroupPtr  pCur;
-
-    /* All drawables in swap group are ready to swap, so just swap all
-     * drawables buffers and then wake up those clients that were
-     * previously sleeping */
-
-    for (pCur = pSwap; pCur; pCur = pCur->pNext) {
-	if (pCur->swapping) {
-	    /* Swap pCur's buffers */
-	    __glXDoSwapBuffers(pCur->clState, pCur->drawable, pCur->tag);
-	    pCur->swapping = FALSE;
-	}
-
-	/* Wakeup client */
-	if (pCur->sleeping) {
-	    ClientWakeup(pCur->clState->client);
-	    pCur->sleeping = FALSE;
-	}
-    }
-}
-
-static Bool SwapGroupIsReadyToSwap(SwapGroupPtr pSwap)
-{
-    Bool  isReady = TRUE;
-
-    /* The swap group is ready to swap when all drawables are ready to
-     * swap.  NOTE: A drawable is also ready to swap if it is not
-     * currently mapped */
-    for (; pSwap; pSwap = pSwap->pNext) {
-	isReady &= (pSwap->swapping || !pSwap->pWin->mapped);
-	/* FIXME: Should we use pSwap->pWin->mapped or ...->realized ??? */
-    }
-
-    return isReady;
-}
-
-static Bool SGSwapCleanup(ClientPtr client, pointer closure)
-{
-    /* SwapGroupPtr  pSwap = (SwapGroupPtr)closure; */
-
-    /* This should not be called unless the client has died in which
-     * case we should remove the buffer from the swap list */
-
-    return TRUE;
-}
-
-int SGSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag,
-		  DrawablePtr pDraw)
-{
-    WindowPtr      pWin     = (WindowPtr)pDraw;
-    dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
-    SwapGroupPtr   pSwap    = pWinPriv->swapGroup;
-    SwapGroupPtr   pCur;
-
-    for (pCur = pSwap; pCur && pCur->pWin != pWin; pCur = pCur->pNext);
-    if (!pCur)
-	return BadDrawable;
-
-    pCur->clState  = cl;
-    pCur->drawable = drawId;
-    pCur->tag      = tag;
-
-    /* We are now in the process of swapping */
-    pCur->swapping = TRUE;
-
-    if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) {
-	/* The swap group is bound to a barrier and the barrier is ready
-	 * to swap, so swap all the swap groups that are bound to this
-	 * group's swap barrier */
-	SwapSwapBarrier(pSwap->barrier);
-    } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) {
-	/* Do the swap if the entire swap group is ready to swap and the
-	 * group is not bound to a swap barrier */
-	SwapSwapGroup(pSwap);
-    } else {
-	/* The swap group/barrier is not yet ready to swap, so put
-	 * client to sleep until the rest are ready to swap */
-	ClientSleep(cl->client, SGSwapCleanup, (pointer)pWin);
-	pCur->sleeping = TRUE;
-    }
-
-    return Success;
-}
-
-static void SGWindowUnmapped(WindowPtr pWin)
-{
-    dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
-    SwapGroupPtr   pSwap    = pWinPriv->swapGroup;
-
-    /* Now that one of the windows in the swap group has been unmapped,
-     * see if the entire swap group/barrier is ready to swap */
-
-    if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) {
-	SwapSwapBarrier(pSwap->barrier);
-    } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) {
-	SwapSwapGroup(pSwap);
-    }
-}
-
-static void SGWindowDestroyed(WindowPtr pWin)
-{
-    JoinSwapGroupSGIX((DrawablePtr)pWin, NULL);
-}
-
-static SwapGroupPtr CreateSwapEntry(WindowPtr pWin)
-{
-    SwapGroupPtr  pEntry;
-
-    /* Allocate new swap group */
-    pEntry = xalloc(sizeof(*pEntry));
-    if (!pEntry) return NULL;
-
-    /* Initialize swap group */
-    pEntry->pWin     = pWin;
-    pEntry->pNext    = NULL;
-    pEntry->swapping = FALSE;
-    pEntry->sleeping = FALSE;
-    pEntry->barrier  = 0;
-    /* The following are not initialized until SwapBuffers is called:
-     *     pEntry->drawable
-     *     pEntry->tag
-     *     pEntry->clState
-     */
-
-    return pEntry;
-}
-
-static void FreeSwapEntry(SwapGroupPtr pEntry)
-{
-    /* Since we have removed the drawable from its previous swap group
-     * and it won't be added to another swap group, the only thing that
-     * we need to do is to make sure that the drawable's client is not
-     * sleeping.  This could happen if one thread is sleeping, while
-     * another thread called glxJoinSwapGroup().  Note that all sleeping
-     * threads should also be swapping, but there is a small window in
-     * the SGSwapBuffer() logic, above, where swapping can be set but
-     * sleeping is not.  We check both independently here just to be
-     * pedantic. */
-
-    /* Handle swap buffer request */
-    if (pEntry->swapping)
-	__glXDoSwapBuffers(pEntry->clState, pEntry->drawable, pEntry->tag);
-
-    /* Wake up client */
-    if (pEntry->sleeping)
-	ClientWakeup(pEntry->clState->client);
-
-    /* We can free the pEntry entry since it has already been removed
-     * from the swap group list and it won't be needed any longer */
-    xfree(pEntry);
-}
-
-int JoinSwapGroupSGIX(DrawablePtr pDraw, DrawablePtr pMember)
-{
-    if (pDraw->type == DRAWABLE_WINDOW) {
-	WindowPtr      pWin     = (WindowPtr)pDraw;
-	dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
-	SwapGroupPtr   pOldSwap = NULL;
-	SwapGroupPtr   pEntry;
-
-	/* If pDraw and pMember are already members of the same swap
-	 * group, just return Success since there is nothing to do */
-	for (pEntry = pWinPriv->swapGroup; pEntry; pEntry = pEntry->pNext)
-	    if (pEntry->pWin == (WindowPtr)pMember)
-		return Success;
-
-	/* Remove pDraw from its current swap group */
-	if (pWinPriv->swapGroup) {
-	    SwapGroupPtr  pSwapGroup = pWinPriv->swapGroup;
-	    SwapGroupPtr  pPrev;
-
-	    /* Find old swap entry in swap group and save in pOldSwap
-	     * for later use */
-	    for (pOldSwap = pWinPriv->swapGroup, pPrev = NULL;
-		 pOldSwap && pOldSwap->pWin != pWin;
-		 pPrev = pOldSwap, pOldSwap = pOldSwap->pNext);
-	    if (!pOldSwap)
-		return BadDrawable;
-
-	    /* Remove pDraw's swap group entry from swap group list */
-	    if (pPrev) {
-		pPrev->pNext = pOldSwap->pNext;
-	    } else {
-		/* pWin is at the head of the swap group list, so we
-		 * need to update all other members of this swap
-		 * group */
-		for (pEntry = pOldSwap->pNext; pEntry; pEntry = pEntry->pNext)
-		    DMX_GET_WINDOW_PRIV(pEntry->pWin)->swapGroup
-			= pOldSwap->pNext;
-
-		/* Update the barrier list as well */
-		if (pOldSwap->barrier)
-		    UpdateSwapBarrierList(pOldSwap->barrier,
-					  pOldSwap, pOldSwap->pNext);
-
-		/* Set pSwapGroup to point to the swap group without
-		 * pOldSwap */
-		pSwapGroup = pOldSwap->pNext;
-	    }
-
-	    /* Check to see if current swap group can now swap since we
-	     * know at this point that pDraw and pMember are guaranteed
-	     * to previously be in different swap groups */
-	    if (pSwapGroup && SwapGroupIsReadyToSwap(pSwapGroup)) {
-		SwapSwapGroup(pSwapGroup);
-	    }
-
-	    /* Make the old swap entry a standalone group */
-	    pOldSwap->pNext = NULL;
-	    pOldSwap->barrier = 0;
-
-	    /* Reset pWin's swap group */
-	    pWinPriv->swapGroup = NULL;
-	    pWinPriv->windowDestroyed = NULL;
-	    pWinPriv->windowUnmapped = NULL;
-	}
-
-	if (!pMember || pMember->type != DRAWABLE_WINDOW) {
-	    /* Free old swap group since it is no longer needed */
-	    if (pOldSwap) FreeSwapEntry(pOldSwap);
-	} else if (pDraw == pMember && pOldSwap) {
-	    /* Special case where pDraw was previously created and we
-	     * are now just putting it to its own swap group */
-	    pWinPriv->swapGroup = pOldSwap;
-	    pWinPriv->windowDestroyed = SGWindowDestroyed;
-	    pWinPriv->windowUnmapped = SGWindowUnmapped;
-
-	    /* Check to see if pDraw is ready to swap */
-	    if (SwapGroupIsReadyToSwap(pOldSwap))
-		SwapSwapGroup(pOldSwap);
-	} else if (pMember->type == DRAWABLE_WINDOW) {
-	    WindowPtr      pMemberWin       = (WindowPtr)pMember;
-	    dmxWinPrivPtr  pMemberPriv      = DMX_GET_WINDOW_PRIV(pMemberWin);
-	    SwapGroupPtr   pMemberSwapGroup = pMemberPriv->swapGroup;
-
-	    /* Finally, how we can add pDraw to pMember's swap group */
-
-	    /* If pMember is not currently in a swap group, then create
-	     * one for it since we are just about to add pDraw to it. */
-	    if (!pMemberSwapGroup) {
-		/* Create new swap group */
-		pMemberSwapGroup = CreateSwapEntry(pMemberWin);
-		if (!pMemberSwapGroup) {
-		    if (pOldSwap) FreeSwapEntry(pOldSwap);
-		    return BadAlloc;
-		}
-
-		/* Set pMember's swap group */
-		pMemberPriv->swapGroup = pMemberSwapGroup;
-		pMemberPriv->windowDestroyed = SGWindowDestroyed;
-		pMemberPriv->windowUnmapped = SGWindowUnmapped;
-	    }
-
-	    /* If pDraw == pMember, that means pDraw was not a member of
-	     * a group previously (or it would have been handled by the
-	     * special case above), so no additional work is required
-	     * since we just created a new swap group for pMember (i.e.,
-	     * pDraw). */
-
-	    if (pDraw != pMember) {
-		/* If pDraw was not previously in a swap group, then create
-		 * an entry for it */
-		if (!pOldSwap) {
-		    /* Create new swap group */
-		    pOldSwap = CreateSwapEntry(pWin);
-		    if (!pOldSwap) {
-			/* If we just created a swap group for pMember, we
-			 * need to free it here */
-			if (pMemberSwapGroup->pNext == NULL) {
-			    FreeSwapEntry(pMemberSwapGroup);
-			    pMemberPriv->swapGroup = NULL;
-			}
-			return BadAlloc;
-		    }
-		}
-
-		/* Find last entry in pMember's swap group */
-		for (pEntry = pMemberSwapGroup;
-		     pEntry->pNext;
-		     pEntry = pEntry->pNext);
-
-		/* Add pDraw's swap group entry to pMember's swap group list */
-		pEntry->pNext = pOldSwap;
-
-		/* Add pDraw to pMember's swap barrier */
-		pOldSwap->barrier = pEntry->barrier;
-
-		/* Set pDraw's swap group */
-		pWinPriv->swapGroup = pMemberSwapGroup;
-		pWinPriv->windowDestroyed = SGWindowDestroyed;
-		pWinPriv->windowUnmapped = SGWindowUnmapped;
-	    }
-	}
-    }
-
-    return Success;
-}
-
-
-/************************************************************************
- *
- * Swap Barriers
- *
- ************************************************************************/
-
-#define GLX_MAX_SWAP_BARRIERS 10
-
-typedef struct _SwapBarrier *SwapBarrierPtr;
-typedef struct _SwapBarrier {
-    SwapGroupPtr    pSwap;
-    SwapBarrierPtr  pNext;
-} SwapBarrierRec;
-
-static SwapBarrierPtr SwapBarrierList[GLX_MAX_SWAP_BARRIERS+1];
-
-void SwapBarrierInit(void)
-{
-    int  i;
-
-    for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++)
-	SwapBarrierList[i] = NULL;
-}
-
-void SwapBarrierReset(void)
-{
-    int  i;
-
-    for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) {
-	SwapBarrierPtr  pBarrier, pNextBarrier;
-	for (pBarrier = SwapBarrierList[i];
-	     pBarrier;
-	     pBarrier = pNextBarrier) {
-	    pNextBarrier = pBarrier->pNext;
-	    xfree(pBarrier);
-	}
-	SwapBarrierList[i] = NULL;
-    }
-}
-
-int QueryMaxSwapBarriersSGIX(int screen)
-{
-    return GLX_MAX_SWAP_BARRIERS;
-}
-
-static Bool BindSwapGroupToBarrier(GLuint barrier, SwapGroupPtr pSwapGroup)
-{
-    SwapBarrierPtr  pBarrier;
-
-    pBarrier = xalloc(sizeof(*pBarrier));
-    if (!pBarrier) return FALSE;
-
-    /* Add the swap group to barrier's list */
-    pBarrier->pSwap = pSwapGroup;
-    pBarrier->pNext = SwapBarrierList[barrier];
-    SwapBarrierList[barrier] = pBarrier;
-
-    return TRUE;
-}
-
-static Bool UnbindSwapGroupFromBarrier(GLuint barrier, SwapGroupPtr pSwapGroup)
-{
-    SwapBarrierPtr  pBarrier, pPrevBarrier;
-
-    /* Find the swap group in barrier's list */
-    for (pBarrier = SwapBarrierList[barrier], pPrevBarrier = NULL;
-	 pBarrier && pBarrier->pSwap != pSwapGroup;
-	 pPrevBarrier = pBarrier, pBarrier = pBarrier->pNext);
-    if (!pBarrier) return FALSE;
-
-    /* Remove the swap group from barrier's list */
-    if (pPrevBarrier) pPrevBarrier->pNext = pBarrier->pNext;
-    else              SwapBarrierList[barrier] = pBarrier->pNext;
-
-    /* Free memory */
-    xfree(pBarrier);
-
-    return TRUE;
-}
-
-static void UpdateSwapBarrierList(GLuint barrier,
-				  SwapGroupPtr pOldSwap,
-				  SwapGroupPtr pNewSwap)
-{
-    SwapBarrierPtr  pBarrier;
-
-    /* If the old swap group is being destroyed, then we need to remove
-     * the swap group from the list entirely */
-    if (!pNewSwap) {
-	UnbindSwapGroupFromBarrier(barrier, pOldSwap);
-	return;
-    }
-
-    /* Otherwise, find the old swap group in the barrier list and change
-     * it to the new swap group */
-    for (pBarrier = SwapBarrierList[barrier];
-	 pBarrier;
-	 pBarrier = pBarrier->pNext) {
-	if (pBarrier->pSwap == pOldSwap) {
-	    pBarrier->pSwap = pNewSwap;
-	    return;
-	}
-    }
-}
-
-static Bool SwapBarrierIsReadyToSwap(GLuint barrier)
-{
-    SwapBarrierPtr  pBarrier;
-    Bool            isReady = TRUE;
-
-    /* The swap barier is ready to swap when swap groups that are bound
-     * to barrier are ready to swap */
-    for (pBarrier = SwapBarrierList[barrier];
-	 pBarrier;
-	 pBarrier = pBarrier->pNext)
-	isReady &= SwapGroupIsReadyToSwap(pBarrier->pSwap);
-
-    return isReady;
-}
-
-static void SwapSwapBarrier(GLuint barrier)
-{
-    SwapBarrierPtr  pBarrier;
-
-    /* Swap each group that is a member of this barrier */
-    for (pBarrier = SwapBarrierList[barrier];
-	 pBarrier;
-	 pBarrier = pBarrier->pNext)
-	SwapSwapGroup(pBarrier->pSwap);
-}
-
-int BindSwapBarrierSGIX(DrawablePtr pDraw, int barrier)
-{
-    /* FIXME: Check for errors when pDraw->type != DRAWABLE_WINDOW */
-
-    if (barrier < 0 || barrier > GLX_MAX_SWAP_BARRIERS)
-	return BadValue;
-
-    if (pDraw->type == DRAWABLE_WINDOW) {
-	WindowPtr       pWin       = (WindowPtr)pDraw;
-	dmxWinPrivPtr   pWinPriv   = DMX_GET_WINDOW_PRIV(pWin);
-	SwapGroupPtr    pSwapGroup = pWinPriv->swapGroup;
-	SwapGroupPtr    pCur;
-
-	if (!pSwapGroup) return BadDrawable;
-	if (barrier && pSwapGroup->barrier) return BadValue;
-
-	/* Update the swap barrier list */
-	if (barrier) {
-	    if (!BindSwapGroupToBarrier(barrier, pSwapGroup))
-		return BadAlloc;
-	} else {
-	    if (!UnbindSwapGroupFromBarrier(pSwapGroup->barrier, pSwapGroup))
-		return BadDrawable;
-	}
-
-	/* Set the barrier for each member of this swap group */
-	for (pCur = pSwapGroup; pCur; pCur = pCur->pNext)
-	    pCur->barrier = barrier;
-    }
-
-    return Success;
-}
+/*

+ * Copyright 2003 Red Hat Inc., Raleigh, North Carolina.

+ *

+ * 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 on the rights to use, copy, modify, merge,

+ * publish, distribute, sublicense, 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 RED HAT AND/OR THEIR 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 <kem@redhat.com>

+ *

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include "dmx.h"

+#include "dmxwindow.h"

+#include "glxserver.h"

+#include "glxswap.h"

+

+extern int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId,

+			      GLXContextTag tag);

+

+typedef struct _SwapGroup *SwapGroupPtr;

+

+static Bool SwapBarrierIsReadyToSwap(GLuint barrier);

+static void SwapSwapBarrier(GLuint barrier);

+static void UpdateSwapBarrierList(GLuint barrier,

+				  SwapGroupPtr pOldSwap,

+				  SwapGroupPtr pNewSwap);

+

+

+/************************************************************************

+ *

+ * Swap Groups

+ *

+ ************************************************************************/

+

+typedef struct _SwapGroup {

+    WindowPtr         pWin;

+    SwapGroupPtr      pNext;

+

+    Bool              swapping;

+    Bool              sleeping;

+    GLuint            barrier;

+

+    XID               drawable;

+    GLXContextTag     tag;

+    __GLXclientState *clState;

+} SwapGroupRec;

+

+

+static void SwapSwapGroup(SwapGroupPtr pSwap)

+{

+    SwapGroupPtr  pCur;

+

+    /* All drawables in swap group are ready to swap, so just swap all

+     * drawables buffers and then wake up those clients that were

+     * previously sleeping */

+

+    for (pCur = pSwap; pCur; pCur = pCur->pNext) {

+	if (pCur->swapping) {

+	    /* Swap pCur's buffers */

+	    __glXDoSwapBuffers(pCur->clState, pCur->drawable, pCur->tag);

+	    pCur->swapping = FALSE;

+	}

+

+	/* Wakeup client */

+	if (pCur->sleeping) {

+	    ClientWakeup(pCur->clState->client);

+	    pCur->sleeping = FALSE;

+	}

+    }

+}

+

+static Bool SwapGroupIsReadyToSwap(SwapGroupPtr pSwap)

+{

+    Bool  isReady = TRUE;

+

+    /* The swap group is ready to swap when all drawables are ready to

+     * swap.  NOTE: A drawable is also ready to swap if it is not

+     * currently mapped */

+    for (; pSwap; pSwap = pSwap->pNext) {

+	isReady &= (pSwap->swapping || !pSwap->pWin->mapped);

+	/* FIXME: Should we use pSwap->pWin->mapped or ...->realized ??? */

+    }

+

+    return isReady;

+}

+

+static Bool SGSwapCleanup(ClientPtr client, pointer closure)

+{

+    /* SwapGroupPtr  pSwap = (SwapGroupPtr)closure; */

+

+    /* This should not be called unless the client has died in which

+     * case we should remove the buffer from the swap list */

+

+    return TRUE;

+}

+

+int SGSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag,

+		  DrawablePtr pDraw)

+{

+    WindowPtr      pWin     = (WindowPtr)pDraw;

+    dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV(pWin);

+    SwapGroupPtr   pSwap    = pWinPriv->swapGroup;

+    SwapGroupPtr   pCur;

+

+    for (pCur = pSwap; pCur && pCur->pWin != pWin; pCur = pCur->pNext);

+    if (!pCur)

+	return BadDrawable;

+

+    pCur->clState  = cl;

+    pCur->drawable = drawId;

+    pCur->tag      = tag;

+

+    /* We are now in the process of swapping */

+    pCur->swapping = TRUE;

+

+    if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) {

+	/* The swap group is bound to a barrier and the barrier is ready

+	 * to swap, so swap all the swap groups that are bound to this

+	 * group's swap barrier */

+	SwapSwapBarrier(pSwap->barrier);

+    } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) {

+	/* Do the swap if the entire swap group is ready to swap and the

+	 * group is not bound to a swap barrier */

+	SwapSwapGroup(pSwap);

+    } else {

+	/* The swap group/barrier is not yet ready to swap, so put

+	 * client to sleep until the rest are ready to swap */

+	ClientSleep(cl->client, SGSwapCleanup, (pointer)pWin);

+	pCur->sleeping = TRUE;

+    }

+

+    return Success;

+}

+

+static void SGWindowUnmapped(WindowPtr pWin)

+{

+    dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV(pWin);

+    SwapGroupPtr   pSwap    = pWinPriv->swapGroup;

+

+    /* Now that one of the windows in the swap group has been unmapped,

+     * see if the entire swap group/barrier is ready to swap */

+

+    if (pSwap->barrier && SwapBarrierIsReadyToSwap(pSwap->barrier)) {

+	SwapSwapBarrier(pSwap->barrier);

+    } else if (!pSwap->barrier && SwapGroupIsReadyToSwap(pSwap)) {

+	SwapSwapGroup(pSwap);

+    }

+}

+

+static void SGWindowDestroyed(WindowPtr pWin)

+{

+    JoinSwapGroupSGIX((DrawablePtr)pWin, NULL);

+}

+

+static SwapGroupPtr CreateSwapEntry(WindowPtr pWin)

+{

+    SwapGroupPtr  pEntry;

+

+    /* Allocate new swap group */

+    pEntry = malloc(sizeof(*pEntry));

+    if (!pEntry) return NULL;

+

+    /* Initialize swap group */

+    pEntry->pWin     = pWin;

+    pEntry->pNext    = NULL;

+    pEntry->swapping = FALSE;

+    pEntry->sleeping = FALSE;

+    pEntry->barrier  = 0;

+    /* The following are not initialized until SwapBuffers is called:

+     *     pEntry->drawable

+     *     pEntry->tag

+     *     pEntry->clState

+     */

+

+    return pEntry;

+}

+

+static void FreeSwapEntry(SwapGroupPtr pEntry)

+{

+    /* Since we have removed the drawable from its previous swap group

+     * and it won't be added to another swap group, the only thing that

+     * we need to do is to make sure that the drawable's client is not

+     * sleeping.  This could happen if one thread is sleeping, while

+     * another thread called glxJoinSwapGroup().  Note that all sleeping

+     * threads should also be swapping, but there is a small window in

+     * the SGSwapBuffer() logic, above, where swapping can be set but

+     * sleeping is not.  We check both independently here just to be

+     * pedantic. */

+

+    /* Handle swap buffer request */

+    if (pEntry->swapping)

+	__glXDoSwapBuffers(pEntry->clState, pEntry->drawable, pEntry->tag);

+

+    /* Wake up client */

+    if (pEntry->sleeping)

+	ClientWakeup(pEntry->clState->client);

+

+    /* We can free the pEntry entry since it has already been removed

+     * from the swap group list and it won't be needed any longer */

+    free(pEntry);

+}

+

+int JoinSwapGroupSGIX(DrawablePtr pDraw, DrawablePtr pMember)

+{

+    if (pDraw->type == DRAWABLE_WINDOW) {

+	WindowPtr      pWin     = (WindowPtr)pDraw;

+	dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV(pWin);

+	SwapGroupPtr   pOldSwap = NULL;

+	SwapGroupPtr   pEntry;

+

+	/* If pDraw and pMember are already members of the same swap

+	 * group, just return Success since there is nothing to do */

+	for (pEntry = pWinPriv->swapGroup; pEntry; pEntry = pEntry->pNext)

+	    if (pEntry->pWin == (WindowPtr)pMember)

+		return Success;

+

+	/* Remove pDraw from its current swap group */

+	if (pWinPriv->swapGroup) {

+	    SwapGroupPtr  pSwapGroup = pWinPriv->swapGroup;

+	    SwapGroupPtr  pPrev;

+

+	    /* Find old swap entry in swap group and save in pOldSwap

+	     * for later use */

+	    for (pOldSwap = pWinPriv->swapGroup, pPrev = NULL;

+		 pOldSwap && pOldSwap->pWin != pWin;

+		 pPrev = pOldSwap, pOldSwap = pOldSwap->pNext);

+	    if (!pOldSwap)

+		return BadDrawable;

+

+	    /* Remove pDraw's swap group entry from swap group list */

+	    if (pPrev) {

+		pPrev->pNext = pOldSwap->pNext;

+	    } else {

+		/* pWin is at the head of the swap group list, so we

+		 * need to update all other members of this swap

+		 * group */

+		for (pEntry = pOldSwap->pNext; pEntry; pEntry = pEntry->pNext)

+		    DMX_GET_WINDOW_PRIV(pEntry->pWin)->swapGroup

+			= pOldSwap->pNext;

+

+		/* Update the barrier list as well */

+		if (pOldSwap->barrier)

+		    UpdateSwapBarrierList(pOldSwap->barrier,

+					  pOldSwap, pOldSwap->pNext);

+

+		/* Set pSwapGroup to point to the swap group without

+		 * pOldSwap */

+		pSwapGroup = pOldSwap->pNext;

+	    }

+

+	    /* Check to see if current swap group can now swap since we

+	     * know at this point that pDraw and pMember are guaranteed

+	     * to previously be in different swap groups */

+	    if (pSwapGroup && SwapGroupIsReadyToSwap(pSwapGroup)) {

+		SwapSwapGroup(pSwapGroup);

+	    }

+

+	    /* Make the old swap entry a standalone group */

+	    pOldSwap->pNext = NULL;

+	    pOldSwap->barrier = 0;

+

+	    /* Reset pWin's swap group */

+	    pWinPriv->swapGroup = NULL;

+	    pWinPriv->windowDestroyed = NULL;

+	    pWinPriv->windowUnmapped = NULL;

+	}

+

+	if (!pMember || pMember->type != DRAWABLE_WINDOW) {

+	    /* Free old swap group since it is no longer needed */

+	    if (pOldSwap) FreeSwapEntry(pOldSwap);

+	} else if (pDraw == pMember && pOldSwap) {

+	    /* Special case where pDraw was previously created and we

+	     * are now just putting it to its own swap group */

+	    pWinPriv->swapGroup = pOldSwap;

+	    pWinPriv->windowDestroyed = SGWindowDestroyed;

+	    pWinPriv->windowUnmapped = SGWindowUnmapped;

+

+	    /* Check to see if pDraw is ready to swap */

+	    if (SwapGroupIsReadyToSwap(pOldSwap))

+		SwapSwapGroup(pOldSwap);

+	} else if (pMember->type == DRAWABLE_WINDOW) {

+	    WindowPtr      pMemberWin       = (WindowPtr)pMember;

+	    dmxWinPrivPtr  pMemberPriv      = DMX_GET_WINDOW_PRIV(pMemberWin);

+	    SwapGroupPtr   pMemberSwapGroup = pMemberPriv->swapGroup;

+

+	    /* Finally, how we can add pDraw to pMember's swap group */

+

+	    /* If pMember is not currently in a swap group, then create

+	     * one for it since we are just about to add pDraw to it. */

+	    if (!pMemberSwapGroup) {

+		/* Create new swap group */

+		pMemberSwapGroup = CreateSwapEntry(pMemberWin);

+		if (!pMemberSwapGroup) {

+		    if (pOldSwap) FreeSwapEntry(pOldSwap);

+		    return BadAlloc;

+		}

+

+		/* Set pMember's swap group */

+		pMemberPriv->swapGroup = pMemberSwapGroup;

+		pMemberPriv->windowDestroyed = SGWindowDestroyed;

+		pMemberPriv->windowUnmapped = SGWindowUnmapped;

+	    }

+

+	    /* If pDraw == pMember, that means pDraw was not a member of

+	     * a group previously (or it would have been handled by the

+	     * special case above), so no additional work is required

+	     * since we just created a new swap group for pMember (i.e.,

+	     * pDraw). */

+

+	    if (pDraw != pMember) {

+		/* If pDraw was not previously in a swap group, then create

+		 * an entry for it */

+		if (!pOldSwap) {

+		    /* Create new swap group */

+		    pOldSwap = CreateSwapEntry(pWin);

+		    if (!pOldSwap) {

+			/* If we just created a swap group for pMember, we

+			 * need to free it here */

+			if (pMemberSwapGroup->pNext == NULL) {

+			    FreeSwapEntry(pMemberSwapGroup);

+			    pMemberPriv->swapGroup = NULL;

+			}

+			return BadAlloc;

+		    }

+		}

+

+		/* Find last entry in pMember's swap group */

+		for (pEntry = pMemberSwapGroup;

+		     pEntry->pNext;

+		     pEntry = pEntry->pNext);

+

+		/* Add pDraw's swap group entry to pMember's swap group list */

+		pEntry->pNext = pOldSwap;

+

+		/* Add pDraw to pMember's swap barrier */

+		pOldSwap->barrier = pEntry->barrier;

+

+		/* Set pDraw's swap group */

+		pWinPriv->swapGroup = pMemberSwapGroup;

+		pWinPriv->windowDestroyed = SGWindowDestroyed;

+		pWinPriv->windowUnmapped = SGWindowUnmapped;

+	    }

+	}

+    }

+

+    return Success;

+}

+

+

+/************************************************************************

+ *

+ * Swap Barriers

+ *

+ ************************************************************************/

+

+#define GLX_MAX_SWAP_BARRIERS 10

+

+typedef struct _SwapBarrier *SwapBarrierPtr;

+typedef struct _SwapBarrier {

+    SwapGroupPtr    pSwap;

+    SwapBarrierPtr  pNext;

+} SwapBarrierRec;

+

+static SwapBarrierPtr SwapBarrierList[GLX_MAX_SWAP_BARRIERS+1];

+

+void SwapBarrierInit(void)

+{

+    int  i;

+

+    for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++)

+	SwapBarrierList[i] = NULL;

+}

+

+void SwapBarrierReset(void)

+{

+    int  i;

+

+    for (i = 0; i <= GLX_MAX_SWAP_BARRIERS; i++) {

+	SwapBarrierPtr  pBarrier, pNextBarrier;

+	for (pBarrier = SwapBarrierList[i];

+	     pBarrier;

+	     pBarrier = pNextBarrier) {

+	    pNextBarrier = pBarrier->pNext;

+	    free(pBarrier);

+	}

+	SwapBarrierList[i] = NULL;

+    }

+}

+

+int QueryMaxSwapBarriersSGIX(int screen)

+{

+    return GLX_MAX_SWAP_BARRIERS;

+}

+

+static Bool BindSwapGroupToBarrier(GLuint barrier, SwapGroupPtr pSwapGroup)

+{

+    SwapBarrierPtr  pBarrier;

+

+    pBarrier = malloc(sizeof(*pBarrier));

+    if (!pBarrier) return FALSE;

+

+    /* Add the swap group to barrier's list */

+    pBarrier->pSwap = pSwapGroup;

+    pBarrier->pNext = SwapBarrierList[barrier];

+    SwapBarrierList[barrier] = pBarrier;

+

+    return TRUE;

+}

+

+static Bool UnbindSwapGroupFromBarrier(GLuint barrier, SwapGroupPtr pSwapGroup)

+{

+    SwapBarrierPtr  pBarrier, pPrevBarrier;

+

+    /* Find the swap group in barrier's list */

+    for (pBarrier = SwapBarrierList[barrier], pPrevBarrier = NULL;

+	 pBarrier && pBarrier->pSwap != pSwapGroup;

+	 pPrevBarrier = pBarrier, pBarrier = pBarrier->pNext);

+    if (!pBarrier) return FALSE;

+

+    /* Remove the swap group from barrier's list */

+    if (pPrevBarrier) pPrevBarrier->pNext = pBarrier->pNext;

+    else              SwapBarrierList[barrier] = pBarrier->pNext;

+

+    /* Free memory */

+    free(pBarrier);

+

+    return TRUE;

+}

+

+static void UpdateSwapBarrierList(GLuint barrier,

+				  SwapGroupPtr pOldSwap,

+				  SwapGroupPtr pNewSwap)

+{

+    SwapBarrierPtr  pBarrier;

+

+    /* If the old swap group is being destroyed, then we need to remove

+     * the swap group from the list entirely */

+    if (!pNewSwap) {

+	UnbindSwapGroupFromBarrier(barrier, pOldSwap);

+	return;

+    }

+

+    /* Otherwise, find the old swap group in the barrier list and change

+     * it to the new swap group */

+    for (pBarrier = SwapBarrierList[barrier];

+	 pBarrier;

+	 pBarrier = pBarrier->pNext) {

+	if (pBarrier->pSwap == pOldSwap) {

+	    pBarrier->pSwap = pNewSwap;

+	    return;

+	}

+    }

+}

+

+static Bool SwapBarrierIsReadyToSwap(GLuint barrier)

+{

+    SwapBarrierPtr  pBarrier;

+    Bool            isReady = TRUE;

+

+    /* The swap barier is ready to swap when swap groups that are bound

+     * to barrier are ready to swap */

+    for (pBarrier = SwapBarrierList[barrier];

+	 pBarrier;

+	 pBarrier = pBarrier->pNext)

+	isReady &= SwapGroupIsReadyToSwap(pBarrier->pSwap);

+

+    return isReady;

+}

+

+static void SwapSwapBarrier(GLuint barrier)

+{

+    SwapBarrierPtr  pBarrier;

+

+    /* Swap each group that is a member of this barrier */

+    for (pBarrier = SwapBarrierList[barrier];

+	 pBarrier;

+	 pBarrier = pBarrier->pNext)

+	SwapSwapGroup(pBarrier->pSwap);

+}

+

+int BindSwapBarrierSGIX(DrawablePtr pDraw, int barrier)

+{

+    /* FIXME: Check for errors when pDraw->type != DRAWABLE_WINDOW */

+

+    if (barrier < 0 || barrier > GLX_MAX_SWAP_BARRIERS)

+	return BadValue;

+

+    if (pDraw->type == DRAWABLE_WINDOW) {

+	WindowPtr       pWin       = (WindowPtr)pDraw;

+	dmxWinPrivPtr   pWinPriv   = DMX_GET_WINDOW_PRIV(pWin);

+	SwapGroupPtr    pSwapGroup = pWinPriv->swapGroup;

+	SwapGroupPtr    pCur;

+

+	if (!pSwapGroup) return BadDrawable;

+	if (barrier && pSwapGroup->barrier) return BadValue;

+

+	/* Update the swap barrier list */

+	if (barrier) {

+	    if (!BindSwapGroupToBarrier(barrier, pSwapGroup))

+		return BadAlloc;

+	} else {

+	    if (!UnbindSwapGroupFromBarrier(pSwapGroup->barrier, pSwapGroup))

+		return BadDrawable;

+	}

+

+	/* Set the barrier for each member of this swap group */

+	for (pCur = pSwapGroup; pCur; pCur = pCur->pNext)

+	    pCur->barrier = barrier;

+    }

+

+    return Success;

+}

diff --git a/xorg-server/hw/dmx/glxProxy/glxutil.c b/xorg-server/hw/dmx/glxProxy/glxutil.c
index d0ce50486..2460ed0dc 100644
--- a/xorg-server/hw/dmx/glxProxy/glxutil.c
+++ b/xorg-server/hw/dmx/glxProxy/glxutil.c
@@ -1,111 +1,111 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#include "glxserver.h"
-#include <GL/glxtokens.h>
-#include <pixmapstr.h>
-#include <windowstr.h>
-#include "glxutil.h"
-#include <stdlib.h>
-
-/************************************************************************/
-
-void __glXNop(void) {}
-
-/************************************************************************/
-
-/* Memory Allocation for GLX */
-
-void *
-__glXMalloc(size_t size)
-{
-    void *addr;
-
-    if (size == 0) {
-	return NULL;
-    }
-    addr = malloc(size);
-    if (addr == NULL) {
-	/* XXX: handle out of memory error */
-	return NULL;
-    }
-    return addr;
-}
-
-void *
-__glXCalloc(size_t numElements, size_t elementSize)
-{
-    void *addr;
-    size_t size;
-
-    if ((numElements == 0) || (elementSize == 0)) {
-	return NULL;
-    }
-    addr = calloc(numElements, elementSize);
-    if (addr == NULL) {
-	/* XXX: handle out of memory error */
-	return NULL;
-    }
-    return addr;
-}
-
-void *
-__glXRealloc(void *addr, size_t newSize)
-{
-    void *newAddr;
-
-    if (addr) {
-	if (newSize == 0) {
-	    xfree(addr);
-	    return NULL;
-	} else {
-	    newAddr = realloc(addr, newSize);
-	}
-    } else {
-	if (newSize == 0) {
-	    return NULL;
-	} else {
-	    newAddr = malloc(newSize);
-	}
-    }
-    if (newAddr == NULL) {
-	return NULL;	/* XXX: out of memory */
-    }
-
-    return newAddr;
-}
-
-void
-__glXFree(void *addr)
-{
-    if (addr) {
-	free(addr);
-    }
-}
+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#include "glxserver.h"

+#include <GL/glxtokens.h>

+#include <pixmapstr.h>

+#include <windowstr.h>

+#include "glxutil.h"

+#include <stdlib.h>

+

+/************************************************************************/

+

+void __glXNop(void) {}

+

+/************************************************************************/

+

+/* Memory Allocation for GLX */

+

+void *

+__glXMalloc(size_t size)

+{

+    void *addr;

+

+    if (size == 0) {

+	return NULL;

+    }

+    addr = malloc(size);

+    if (addr == NULL) {

+	/* XXX: handle out of memory error */

+	return NULL;

+    }

+    return addr;

+}

+

+void *

+__glXCalloc(size_t numElements, size_t elementSize)

+{

+    void *addr;

+    size_t size;

+

+    if ((numElements == 0) || (elementSize == 0)) {

+	return NULL;

+    }

+    addr = calloc(numElements, elementSize);

+    if (addr == NULL) {

+	/* XXX: handle out of memory error */

+	return NULL;

+    }

+    return addr;

+}

+

+void *

+__glXRealloc(void *addr, size_t newSize)

+{

+    void *newAddr;

+

+    if (addr) {

+	if (newSize == 0) {

+	    free(addr);

+	    return NULL;

+	} else {

+	    newAddr = realloc(addr, newSize);

+	}

+    } else {

+	if (newSize == 0) {

+	    return NULL;

+	} else {

+	    newAddr = malloc(newSize);

+	}

+    }

+    if (newAddr == NULL) {

+	return NULL;	/* XXX: out of memory */

+    }

+

+    return newAddr;

+}

+

+void

+__glXFree(void *addr)

+{

+    if (addr) {

+	free(addr);

+    }

+}

diff --git a/xorg-server/hw/dmx/glxProxy/glxvendor.c b/xorg-server/hw/dmx/glxProxy/glxvendor.c
index 6b1f9a820..e8460fad8 100644
--- a/xorg-server/hw/dmx/glxProxy/glxvendor.c
+++ b/xorg-server/hw/dmx/glxProxy/glxvendor.c
@@ -1,582 +1,582 @@
-/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-
-#undef Xmalloc
-#undef Xcalloc
-#undef Xrealloc
-#undef Xfree
-
-#include "glxserver.h"
-#include "glxext.h"
-#include "g_disptab.h"
-/* #include "g_disptab_EXT.h" */
-#include "unpack.h"
-#include "glxutil.h"
-
-#include "GL/glxproto.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-/*
- * GetReqVendorPrivate - this is the equivalent of GetReq macro
- *    from Xlibint.h but it does not set the reqType field (the opcode).
- *    this is because the GL single opcodes has different naming convension
- *    the other X opcodes (ie. X_GLsop_GetFloatv).
- */
-#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
-#define GetReqVendorPrivate(name, req) \
-        WORD64ALIGN\
-	if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
-		_XFlush(dpy);\
-	req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
-	req->length = (SIZEOF(x##name##Req))>>2;\
-	dpy->bufptr += SIZEOF(x##name##Req);\
-	dpy->request++
-
-#else  /* non-ANSI C uses empty comment instead of "##" for token concatenation */
-#define GetReqVendorPrivate(name, req) \
-        WORD64ALIGN\
-	if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
-		_XFlush(dpy);\
-	req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
-	req->length = (SIZEOF(x/**/name/**/Req))>>2;\
-	dpy->bufptr += SIZEOF(x/**/name/**/Req);\
-	dpy->request++
-#endif
-
-extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
-extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
-
-static int swap_vec_element_size = 0;
-
-static void SendSwappedReply( ClientPtr client,
-                              xGLXVendorPrivReply *reply, 
-			      char *buf,
-			      int   buf_size )
-{
-   __GLX_DECLARE_SWAP_VARIABLES;
-   __GLX_SWAP_SHORT(&reply->sequenceNumber);
-   __GLX_SWAP_INT(&reply->length);
-   __GLX_SWAP_INT(&reply->retval);
-   __GLX_SWAP_INT(&reply->size);
-
-   if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
-      /*
-       * the reply has single component - need to swap pad3
-       */
-      if (swap_vec_element_size == 2) {
-	 __GLX_SWAP_SHORT(&reply->pad3);
-      }
-      else if (swap_vec_element_size == 4) {
-	 __GLX_SWAP_INT(&reply->pad3);
-	 __GLX_SWAP_INT(&reply->pad4);
-      }
-      else if (swap_vec_element_size == 8) {
-	 __GLX_SWAP_DOUBLE(&reply->pad3);
-      }
-   }
-   else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
-      /*
-       * the reply has vector of elements which needs to be swapped
-       */
-      int vsize = buf_size / swap_vec_element_size;
-      char *p = buf;
-      int i;
-
-      for (i=0; i<vsize; i++) {
-	 if (swap_vec_element_size == 2) {
-	    __GLX_SWAP_SHORT(p);
-	 }
-	 else if (swap_vec_element_size == 4) {
-	    __GLX_SWAP_INT(p);
-	 }
-	 else if (swap_vec_element_size == 8) {
-	    __GLX_SWAP_DOUBLE(p);
-	 }
-
-	 p += swap_vec_element_size;
-      }
-
-      __GLX_SWAP_INT(&reply->pad3);
-      __GLX_SWAP_INT(&reply->pad4);
-      __GLX_SWAP_INT(&reply->pad5);
-      __GLX_SWAP_INT(&reply->pad6);
-
-   }
-
-    WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)reply);
-    if (buf_size > 0)
-       WriteToClient(client, buf_size, (char *)buf);
-
-}
-
-int __glXVForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   xGLXVendorPrivateReq *be_req;
-    __GLXcontext *glxc;
-   int from_screen = 0;
-   int to_screen = 0;
-   int buf_size;
-   int s;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXVendorPrivateReq;
-    buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
-
-    /*
-     * just forward the request to back-end server(s)
-     */
-    for (s=from_screen; s<=to_screen; s++) {
-       DMXScreenInfo *dmxScreen = &dmxScreens[s];
-       Display *dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReqVendorPrivate(GLXVendorPrivate,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = req->glxCode;
-       be_req->length = req->length;
-       be_req->vendorCode = req->vendorCode;
-       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-       if (buf_size > 0) 
-	  _XSend(dpy, (const char *)pc, buf_size);
-       UnlockDisplay(dpy);
-       SyncHandle();
-    }
-
-    return Success;
-}
-
-int __glXVForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
-{
-   ClientPtr client = cl->client;
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   xGLXVendorPrivateReq *be_req;
-   xGLXVendorPrivReply reply;
-   xGLXVendorPrivReply be_reply;
-    __GLXcontext *glxc;
-   int buf_size;
-   char *be_buf;
-   int   be_buf_size;
-   DMXScreenInfo *dmxScreen;
-   Display *dpy;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return __glXBadContext;
-    }
-
-    pc += sz_xGLXVendorPrivateReq;
-    buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
-
-    dmxScreen = &dmxScreens[glxc->pScreen->myNum];
-    dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
-
-    /* 
-     * send the request to the first back-end server
-     */
-    LockDisplay(dpy);
-    GetReqVendorPrivate(GLXVendorPrivate,be_req);
-    be_req->reqType = dmxScreen->glxMajorOpcode;
-    be_req->glxCode = req->glxCode;
-    be_req->length = req->length;
-    be_req->vendorCode = req->vendorCode;
-    be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag, glxc->pScreen->myNum);
-    if (buf_size > 0) 
-       _XSend(dpy, (const char *)pc, buf_size);
-
-    /*
-     * get the reply from the back-end server
-     */
-    _XReply(dpy, (xReply*) &be_reply, 0, False);
-    be_buf_size = be_reply.length << 2;
-    if (be_buf_size > 0) {
-       be_buf = (char *)Xalloc( be_buf_size );
-       if (be_buf) {
-	  _XRead(dpy, be_buf, be_buf_size);
-       }
-       else {
-	  /* Throw data on the floor */
-	  _XEatData(dpy, be_buf_size);
-	  return BadAlloc;
-       }
-    }
-
-    UnlockDisplay(dpy);
-    SyncHandle();
-
-    /*
-     * send the reply to the client
-     */
-    memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-
-    if (client->swapped) {
-       SendSwappedReply( client, &reply, be_buf, be_buf_size );
-    }
-    else {
-       WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);
-       if (be_buf_size > 0)
-	  WriteToClient(client, be_buf_size, (char *)be_buf);
-    }
-
-    if (be_buf_size > 0) Xfree(be_buf);
-
-    return Success;
-}
-
-int __glXVForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
-{
-   ClientPtr client = cl->client;
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   xGLXVendorPrivateReq *be_req;
-   xGLXVendorPrivReply reply;
-   xGLXVendorPrivReply be_reply;
-    __GLXcontext *glxc;
-   int buf_size;
-   char *be_buf;
-   int   be_buf_size;
-   int from_screen = 0;
-   int to_screen = 0;
-   int s;
-
-   DMXScreenInfo *dmxScreen;
-   Display *dpy;
-
-    glxc = __glXLookupContextByTag(cl, req->contextTag);
-    if (!glxc) {
-	return 0;
-    }
-    from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
-    if (!noPanoramiXExtension) {
-       from_screen = 0;
-       to_screen = screenInfo.numScreens - 1;
-    }
-#endif
-
-    pc += sz_xGLXVendorPrivateReq;
-    buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
-
-    /* 
-     * send the request to the first back-end server(s)
-     */
-    for (s=to_screen; s>=from_screen; s--) {
-       dmxScreen = &dmxScreens[s];
-       dpy = GetBackEndDisplay(cl,s);
-
-       LockDisplay(dpy);
-       GetReqVendorPrivate(GLXVendorPrivate,be_req);
-       be_req->reqType = dmxScreen->glxMajorOpcode;
-       be_req->glxCode = req->glxCode;
-       be_req->length = req->length;
-       be_req->vendorCode = req->vendorCode;
-       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
-       if (buf_size > 0) 
-	  _XSend(dpy, (const char *)pc, buf_size);
-
-       /*
-	* get the reply from the back-end server
-	*/
-       _XReply(dpy, (xReply*) &be_reply, 0, False);
-       be_buf_size = be_reply.length << 2;
-       if (be_buf_size > 0) {
-	  be_buf = (char *)Xalloc( be_buf_size );
-	  if (be_buf) {
-	     _XRead(dpy, be_buf, be_buf_size);
-	  }
-	  else {
-	     /* Throw data on the floor */
-	     _XEatData(dpy, be_buf_size);
-	     return BadAlloc;
-	  }
-       }
-
-       UnlockDisplay(dpy);
-       SyncHandle();
-
-       if (s > from_screen && be_buf_size > 0) {
-	  Xfree(be_buf);
-       }
-    }
-
-    /*
-     * send the reply to the client
-     */
-    memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );
-    reply.type = X_Reply;
-    reply.sequenceNumber = client->sequence;
-
-    if (client->swapped) {
-       SendSwappedReply( client, &reply, be_buf, be_buf_size );
-    }
-    else {
-       WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);
-       if (be_buf_size > 0)
-	  WriteToClient(client, be_buf_size, (char *)be_buf);
-    }
-
-    if (be_buf_size > 0) Xfree(be_buf);
-
-    return Success;
-}
-
-int __glXVForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 0;
-
-   return( __glXVForwardSingleReq( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 0;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 2;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 4;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 8;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 0;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 2;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 4;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
-   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
-   __GLX_DECLARE_SWAP_VARIABLES;
-
-   __GLX_SWAP_SHORT(&req->length);
-   __GLX_SWAP_INT(&req->vendorCode);
-   __GLX_SWAP_INT(&req->contextTag);
-
-   swap_vec_element_size = 8;
-
-   /*
-    * swap extra data in request - assuming all data
-    * (if available) are arrays of 4 bytes components !
-    */
-   if (req->length > sz_xGLXVendorPrivateReq/4) {
-      int *data = (int *)(req+1);
-      int count = req->length - sz_xGLXVendorPrivateReq/4;
-      __GLX_SWAP_INT_ARRAY(data, count );
-   }
-
-   return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */

+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include "dmx.h"

+#include "dmxwindow.h"

+#include "dmxpixmap.h"

+#include "dmxfont.h"

+

+#undef Xmalloc

+#undef Xcalloc

+#undef Xrealloc

+#undef Xfree

+

+#include "glxserver.h"

+#include "glxext.h"

+#include "g_disptab.h"

+/* #include "g_disptab_EXT.h" */

+#include "unpack.h"

+#include "glxutil.h"

+

+#include "GL/glxproto.h"

+

+#ifdef PANORAMIX

+#include "panoramiXsrv.h"

+#endif

+

+/*

+ * GetReqVendorPrivate - this is the equivalent of GetReq macro

+ *    from Xlibint.h but it does not set the reqType field (the opcode).

+ *    this is because the GL single opcodes has different naming convension

+ *    the other X opcodes (ie. X_GLsop_GetFloatv).

+ */

+#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)

+#define GetReqVendorPrivate(name, req) \

+        WORD64ALIGN\

+	if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\

+		_XFlush(dpy);\

+	req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\

+	req->length = (SIZEOF(x##name##Req))>>2;\

+	dpy->bufptr += SIZEOF(x##name##Req);\

+	dpy->request++

+

+#else  /* non-ANSI C uses empty comment instead of "##" for token concatenation */

+#define GetReqVendorPrivate(name, req) \

+        WORD64ALIGN\

+	if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\

+		_XFlush(dpy);\

+	req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\

+	req->length = (SIZEOF(x/**/name/**/Req))>>2;\

+	dpy->bufptr += SIZEOF(x/**/name/**/Req);\

+	dpy->request++

+#endif

+

+extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );

+extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);

+

+static int swap_vec_element_size = 0;

+

+static void SendSwappedReply( ClientPtr client,

+                              xGLXVendorPrivReply *reply, 

+			      char *buf,

+			      int   buf_size )

+{

+   __GLX_DECLARE_SWAP_VARIABLES;

+   __GLX_SWAP_SHORT(&reply->sequenceNumber);

+   __GLX_SWAP_INT(&reply->length);

+   __GLX_SWAP_INT(&reply->retval);

+   __GLX_SWAP_INT(&reply->size);

+

+   if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {

+      /*

+       * the reply has single component - need to swap pad3

+       */

+      if (swap_vec_element_size == 2) {

+	 __GLX_SWAP_SHORT(&reply->pad3);

+      }

+      else if (swap_vec_element_size == 4) {

+	 __GLX_SWAP_INT(&reply->pad3);

+	 __GLX_SWAP_INT(&reply->pad4);

+      }

+      else if (swap_vec_element_size == 8) {

+	 __GLX_SWAP_DOUBLE(&reply->pad3);

+      }

+   }

+   else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {

+      /*

+       * the reply has vector of elements which needs to be swapped

+       */

+      int vsize = buf_size / swap_vec_element_size;

+      char *p = buf;

+      int i;

+

+      for (i=0; i<vsize; i++) {

+	 if (swap_vec_element_size == 2) {

+	    __GLX_SWAP_SHORT(p);

+	 }

+	 else if (swap_vec_element_size == 4) {

+	    __GLX_SWAP_INT(p);

+	 }

+	 else if (swap_vec_element_size == 8) {

+	    __GLX_SWAP_DOUBLE(p);

+	 }

+

+	 p += swap_vec_element_size;

+      }

+

+      __GLX_SWAP_INT(&reply->pad3);

+      __GLX_SWAP_INT(&reply->pad4);

+      __GLX_SWAP_INT(&reply->pad5);

+      __GLX_SWAP_INT(&reply->pad6);

+

+   }

+

+    WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)reply);

+    if (buf_size > 0)

+       WriteToClient(client, buf_size, (char *)buf);

+

+}

+

+int __glXVForwardSingleReq( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   xGLXVendorPrivateReq *be_req;

+    __GLXcontext *glxc;

+   int from_screen = 0;

+   int to_screen = 0;

+   int buf_size;

+   int s;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXVendorPrivateReq;

+    buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;

+

+    /*

+     * just forward the request to back-end server(s)

+     */

+    for (s=from_screen; s<=to_screen; s++) {

+       DMXScreenInfo *dmxScreen = &dmxScreens[s];

+       Display *dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReqVendorPrivate(GLXVendorPrivate,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = req->glxCode;

+       be_req->length = req->length;

+       be_req->vendorCode = req->vendorCode;

+       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+       if (buf_size > 0) 

+	  _XSend(dpy, (const char *)pc, buf_size);

+       UnlockDisplay(dpy);

+       SyncHandle();

+    }

+

+    return Success;

+}

+

+int __glXVForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )

+{

+   ClientPtr client = cl->client;

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   xGLXVendorPrivateReq *be_req;

+   xGLXVendorPrivReply reply;

+   xGLXVendorPrivReply be_reply;

+    __GLXcontext *glxc;

+   int buf_size;

+   char *be_buf;

+   int   be_buf_size;

+   DMXScreenInfo *dmxScreen;

+   Display *dpy;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return __glXBadContext;

+    }

+

+    pc += sz_xGLXVendorPrivateReq;

+    buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;

+

+    dmxScreen = &dmxScreens[glxc->pScreen->myNum];

+    dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);

+

+    /* 

+     * send the request to the first back-end server

+     */

+    LockDisplay(dpy);

+    GetReqVendorPrivate(GLXVendorPrivate,be_req);

+    be_req->reqType = dmxScreen->glxMajorOpcode;

+    be_req->glxCode = req->glxCode;

+    be_req->length = req->length;

+    be_req->vendorCode = req->vendorCode;

+    be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag, glxc->pScreen->myNum);

+    if (buf_size > 0) 

+       _XSend(dpy, (const char *)pc, buf_size);

+

+    /*

+     * get the reply from the back-end server

+     */

+    _XReply(dpy, (xReply*) &be_reply, 0, False);

+    be_buf_size = be_reply.length << 2;

+    if (be_buf_size > 0) {

+       be_buf = (char *)malloc( be_buf_size );

+       if (be_buf) {

+	  _XRead(dpy, be_buf, be_buf_size);

+       }

+       else {

+	  /* Throw data on the floor */

+	  _XEatData(dpy, be_buf_size);

+	  return BadAlloc;

+       }

+    }

+

+    UnlockDisplay(dpy);

+    SyncHandle();

+

+    /*

+     * send the reply to the client

+     */

+    memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+

+    if (client->swapped) {

+       SendSwappedReply( client, &reply, be_buf, be_buf_size );

+    }

+    else {

+       WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);

+       if (be_buf_size > 0)

+	  WriteToClient(client, be_buf_size, (char *)be_buf);

+    }

+

+    if (be_buf_size > 0) Xfree(be_buf);

+

+    return Success;

+}

+

+int __glXVForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )

+{

+   ClientPtr client = cl->client;

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   xGLXVendorPrivateReq *be_req;

+   xGLXVendorPrivReply reply;

+   xGLXVendorPrivReply be_reply;

+    __GLXcontext *glxc;

+   int buf_size;

+   char *be_buf;

+   int   be_buf_size;

+   int from_screen = 0;

+   int to_screen = 0;

+   int s;

+

+   DMXScreenInfo *dmxScreen;

+   Display *dpy;

+

+    glxc = __glXLookupContextByTag(cl, req->contextTag);

+    if (!glxc) {

+	return 0;

+    }

+    from_screen = to_screen = glxc->pScreen->myNum;

+

+#ifdef PANORAMIX

+    if (!noPanoramiXExtension) {

+       from_screen = 0;

+       to_screen = screenInfo.numScreens - 1;

+    }

+#endif

+

+    pc += sz_xGLXVendorPrivateReq;

+    buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;

+

+    /* 

+     * send the request to the first back-end server(s)

+     */

+    for (s=to_screen; s>=from_screen; s--) {

+       dmxScreen = &dmxScreens[s];

+       dpy = GetBackEndDisplay(cl,s);

+

+       LockDisplay(dpy);

+       GetReqVendorPrivate(GLXVendorPrivate,be_req);

+       be_req->reqType = dmxScreen->glxMajorOpcode;

+       be_req->glxCode = req->glxCode;

+       be_req->length = req->length;

+       be_req->vendorCode = req->vendorCode;

+       be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);

+       if (buf_size > 0) 

+	  _XSend(dpy, (const char *)pc, buf_size);

+

+       /*

+	* get the reply from the back-end server

+	*/

+       _XReply(dpy, (xReply*) &be_reply, 0, False);

+       be_buf_size = be_reply.length << 2;

+       if (be_buf_size > 0) {

+	  be_buf = (char *)malloc( be_buf_size );

+	  if (be_buf) {

+	     _XRead(dpy, be_buf, be_buf_size);

+	  }

+	  else {

+	     /* Throw data on the floor */

+	     _XEatData(dpy, be_buf_size);

+	     return BadAlloc;

+	  }

+       }

+

+       UnlockDisplay(dpy);

+       SyncHandle();

+

+       if (s > from_screen && be_buf_size > 0) {

+	  Xfree(be_buf);

+       }

+    }

+

+    /*

+     * send the reply to the client

+     */

+    memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );

+    reply.type = X_Reply;

+    reply.sequenceNumber = client->sequence;

+

+    if (client->swapped) {

+       SendSwappedReply( client, &reply, be_buf, be_buf_size );

+    }

+    else {

+       WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);

+       if (be_buf_size > 0)

+	  WriteToClient(client, be_buf_size, (char *)be_buf);

+    }

+

+    if (be_buf_size > 0) Xfree(be_buf);

+

+    return Success;

+}

+

+int __glXVForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 0;

+

+   return( __glXVForwardSingleReq( cl, pc ) );

+}

+

+int __glXVForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 0;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXVForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 2;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXVForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 4;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXVForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 8;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardPipe0WithReply( cl, pc ) );

+}

+

+int __glXVForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 0;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardAllWithReply( cl, pc ) );

+}

+

+int __glXVForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 2;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardAllWithReply( cl, pc ) );

+}

+

+int __glXVForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 4;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardAllWithReply( cl, pc ) );

+}

+

+int __glXVForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )

+{

+   xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;

+   __GLX_DECLARE_SWAP_VARIABLES;

+

+   __GLX_SWAP_SHORT(&req->length);

+   __GLX_SWAP_INT(&req->vendorCode);

+   __GLX_SWAP_INT(&req->contextTag);

+

+   swap_vec_element_size = 8;

+

+   /*

+    * swap extra data in request - assuming all data

+    * (if available) are arrays of 4 bytes components !

+    */

+   if (req->length > sz_xGLXVendorPrivateReq/4) {

+      int *data = (int *)(req+1);

+      int count = req->length - sz_xGLXVendorPrivateReq/4;

+      __GLX_SWAP_INT_ARRAY(data, count );

+   }

+

+   return( __glXVForwardAllWithReply( cl, pc ) );

+}

+

diff --git a/xorg-server/hw/dmx/glxProxy/glxvisuals.c b/xorg-server/hw/dmx/glxProxy/glxvisuals.c
index 898c6be7b..6e30b4edc 100644
--- a/xorg-server/hw/dmx/glxProxy/glxvisuals.c
+++ b/xorg-server/hw/dmx/glxProxy/glxvisuals.c
@@ -1,539 +1,539 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include <assert.h>
-#include "dmx.h"
-#include "glxserver.h"
-#include "glxutil.h"
-#include "dmx_glxvisuals.h"
-#include <stdlib.h>
-
-static int                 numConfigs     = 0;
-static __GLXvisualConfig  *visualConfigs  = NULL;
-static void              **visualPrivates = NULL;
-
-int glxVisualsMatch( __GLXvisualConfig *v1, __GLXvisualConfig *v2 )
-{
-      if ( (v1->class == v2->class) &&
-           (v1->rgba == v2->rgba) &&
-	   (v1->redSize == v2->redSize) &&
-	   (v1->greenSize == v2->greenSize) &&
-	   (v1->blueSize == v2->blueSize) &&
-	   (v1->alphaSize == v2->alphaSize) &&
-	   (v1->redMask == v2->redMask) &&
-	   (v1->greenMask == v2->greenMask) &&
-	   (v1->blueMask == v2->blueMask) &&
-	   (v1->alphaMask == v2->alphaMask) &&
-	   (v1->accumRedSize == v2->accumRedSize) &&
-	   (v1->accumGreenSize == v2->accumGreenSize) &&
-	   (v1->accumBlueSize == v2->accumBlueSize) &&
-	   (v1->accumAlphaSize == v2->accumAlphaSize) &&
-	   (v1->doubleBuffer == v2->doubleBuffer) &&
-	   (v1->stereo == v2->stereo) &&
-	   (v1->bufferSize == v2->bufferSize) &&
-	   (v1->depthSize == v2->depthSize) &&
-	   (v1->stencilSize == v2->stencilSize) &&
-	   (v1->auxBuffers == v2->auxBuffers) &&
-	   (v1->level == v2->level) &&
-	   (v1->visualRating == v2->visualRating) &&
-	   (v1->transparentPixel == v2->transparentPixel) &&
-	   (v1->transparentRed == v2->transparentRed) &&
-	   (v1->transparentGreen == v2->transparentGreen) &&
-	   (v1->transparentBlue == v2->transparentBlue) &&
-	   (v1->transparentAlpha == v2->transparentAlpha) &&
-	   (v1->transparentIndex == v2->transparentIndex) &&
-	   (v1->multiSampleSize == v2->multiSampleSize) &&
-	   (v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) &&
-	   (v1->visualSelectGroup == v2->visualSelectGroup)         ) {
-
-	      return(1);
-
-      }
-
-      return(0);
-
-}
-
-VisualID glxMatchGLXVisualInConfigList( __GLXvisualConfig *pGlxVisual, __GLXvisualConfig *configs, int nconfigs )
-{
-    int i;
-
-    for (i=0; i<nconfigs; i++) {
-
-       if (glxVisualsMatch( pGlxVisual, &configs[i] )) {
-
-	  return( configs[i].vid );
-
-       }
-    }
-
-    return(0);
-}
-
-VisualID glxMatchVisualInConfigList( ScreenPtr pScreen, VisualPtr pVisual, __GLXvisualConfig *configs, int nconfigs )
-{
-    __GLXscreenInfo *pGlxScreen;
-    __GLXvisualConfig *pGlxVisual;
-    int i;
-
-    /* check that the glx extension has been initialized */
-    if ( !__glXActiveScreens ) 
-       return(0);
-
-    pGlxScreen = &__glXActiveScreens[pScreen->myNum];
-    pGlxVisual = pGlxScreen->pGlxVisual;
-
-    /* find the glx visual info for pVisual */
-    for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
-	if (pGlxVisual->vid == pVisual->vid) {
-	    break;
-	}
-    }
-    if (i == pGlxScreen->numVisuals) {
-	/*
-	 * the visual is not supported by glx
-	 */
-        return(0);
-    }
-
-    return( glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs) );
-}
-
-VisualPtr glxMatchVisual( ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen )
-{
-    __GLXscreenInfo *pGlxScreen2;
-    int j;
-    VisualID vid;
-
-    /* check that the glx extension has been initialized */
-    if ( !__glXActiveScreens ) 
-       return NULL;
-
-    pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum];
-
-    vid = glxMatchVisualInConfigList( pScreen, pVisual,
-                                      pGlxScreen2->pGlxVisual,
-				      pGlxScreen2->numVisuals );
-    if (vid) {
-       /*
-    	* find the X visual of the matching glx visual
-	*/
-       for (j=0; j<pMatchScreen->numVisuals; j++) {
-	  if (vid == pMatchScreen->visuals[j].vid) {
-	     return( &pMatchScreen->visuals[j] );
-	  }
-       }
-    }
-
-    return(0);
-}
-
-void glxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
-                 void **privates)
-{
-    numConfigs = nconfigs;
-    visualConfigs = configs;
-    visualPrivates = privates;
-}
-
-static int count_bits(unsigned int n)
-{
-   int bits = 0;
-
-   while (n > 0) {
-      if (n & 1) bits++;
-      n >>= 1;
-   }
-   return bits;
-}
-
-static VisualID FindClosestVisual( VisualPtr pVisual, int rootDepth, 
-                                   DepthPtr pdepth, int ndepths,
-				   VisualPtr pNewVisual, int numNewVisuals)
-{
-   int d, v;
-   VisualPtr vis;
-
-   /*
-    * find the first visual with the same or deeper depth
-    * of the same class.
-    */
-   for (d=0; d<ndepths; d++) {
-      if (pdepth[d].depth >= rootDepth) {
-	 for (v=0; v<pdepth[d].numVids; v++) {
-
-	    /* find the new visual structure */
-	    vis = pNewVisual;
-	    while( pdepth[d].vids[v] != vis->vid ) vis++;
-
-	    if (vis->class == pVisual->class) {
-	       return( pdepth[d].vids[v] );
-	    }
-	 }
-      }
-   }
-
-   /*
-    * did not find any.
-    * try to look for the same class only.
-    */
-   for (d=0; d<ndepths; d++) {
-      for (v=0; v<pdepth[d].numVids; v++) {
-
-	 /* find the new visual structure */
-      	 vis = pNewVisual;
-	 while( pdepth[d].vids[v] != vis->vid ) vis++;
-
-      	 if (vis->class == pVisual->class) {
-	    return( pdepth[d].vids[v] );
-	 }
-      }
-   }
-
-   /*
-    * if not found - just take the first visual
-    */
-   return( pdepth[0].vids[0] );
-}
-
-Bool glxInitVisuals(int *nvisualp, VisualPtr *visualp,
-			 VisualID *defaultVisp,
-			 int ndepth, DepthPtr pdepth,
-			 int rootDepth)
-{
-    int numRGBconfigs;
-    int numCIconfigs;
-    int numVisuals = *nvisualp;
-    int numNewVisuals;
-    int numNewConfigs;
-    VisualPtr pVisual = *visualp;
-    VisualPtr pVisualNew = NULL;
-    VisualID *orig_vid = NULL;
-    __GLXvisualConfig *glXVisualPtr = NULL;
-    __GLXvisualConfig *pNewVisualConfigs = NULL;
-    void **glXVisualPriv;
-    dmxGlxVisualPrivate **pNewVisualPriv;
-    int found_default;
-    int i, j, k;
-    int numGLXvis = 0;
-    GLint *isGLXvis;
-
-    if (numConfigs > 0)
-        numNewConfigs = numConfigs;
-    else
-        return False;
-
-    MAXSCREENSALLOC(__glXActiveScreens);
-    if (!__glXActiveScreens)
-        return False;
-
-    /* Alloc space for the list of new GLX visuals */
-    pNewVisualConfigs = (__GLXvisualConfig *)
-                     __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));
-    if (!pNewVisualConfigs) {
-	return FALSE;
-    }
-
-    /* Alloc space for the list of new GLX visual privates */
-    pNewVisualPriv = (dmxGlxVisualPrivate **) __glXMalloc(numNewConfigs * sizeof(dmxGlxVisualPrivate *));
-    if (!pNewVisualPriv) {
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* copy driver's visual config info */
-    for (i = 0; i < numConfigs; i++) {
-       pNewVisualConfigs[i] = visualConfigs[i];
-       pNewVisualPriv[i] = (dmxGlxVisualPrivate *)visualPrivates[i];
-    }
-
-#if 1
-    /* FIXME: This is a hack to workaround a hang in xtest caused by a
-     * mismatch between what the front end (i.e., DMX) server calculates
-     * for the visual configs and what the back-end servers have.
-     */
-    {
-	int numTCRGBconfigs = 0;
-	int numDCRGBconfigs = 0;
-
-	numRGBconfigs = 0;
-	numCIconfigs = 0;
-
-	for (i = 0; i < numNewConfigs; i++) {
-	    if (pNewVisualConfigs[i].rgba) {
-		if (pNewVisualConfigs[i].class == TrueColor)
-		    numTCRGBconfigs++;
-		else
-		    numDCRGBconfigs++;
-		numRGBconfigs++;
-	    } else
-		numCIconfigs++;
-	}
-
-	/* Count the total number of visuals to compute */
-	numNewVisuals = 0;
-	for (i = 0; i < numVisuals; i++) {
-	    numNewVisuals +=
-		(pVisual[i].class == TrueColor)   ? numTCRGBconfigs :
-		(pVisual[i].class == DirectColor) ? numDCRGBconfigs :
-						    numCIconfigs;
-	}
-    }
-#else
-    /* Count the number of RGB and CI visual configs */
-    numRGBconfigs = 0;
-    numCIconfigs = 0;
-    for (i = 0; i < numNewConfigs; i++) {
-	if (pNewVisualConfigs[i].rgba)
-	    numRGBconfigs++;
-	else
-	    numCIconfigs++;
-    }
-
-    /* Count the total number of visuals to compute */
-    numNewVisuals = 0;
-    for (i = 0; i < numVisuals; i++) {
-        numNewVisuals +=
-	    (pVisual[i].class == TrueColor || pVisual[i].class == DirectColor)
-	    ? numRGBconfigs : numCIconfigs;
-    }
-#endif
-
-    /* Reset variables for use with the next screen/driver's visual configs */
-    visualConfigs = NULL;
-    numConfigs = 0;
-
-    /* Alloc temp space for the list of orig VisualIDs for each new visual */
-    orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));
-    if (!orig_vid) {
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* Alloc space for the list of glXVisuals */
-    glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals *
-						    sizeof(__GLXvisualConfig));
-    if (!glXVisualPtr) {
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* Alloc space for the list of glXVisualPrivates */
-    glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));
-    if (!glXVisualPriv) {
-	__glXFree(glXVisualPtr);
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    /* Alloc space for the new list of the X server's visuals */
-    pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec));
-    if (!pVisualNew) {
-	__glXFree(glXVisualPriv);
-	__glXFree(glXVisualPtr);
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	return FALSE;
-    }
-
-    isGLXvis = (GLint *) __glXMalloc(numNewVisuals * sizeof(GLint));
-    if (!isGLXvis) {
-	__glXFree(glXVisualPriv);
-	__glXFree(glXVisualPtr);
-	__glXFree(orig_vid);
-	__glXFree(pNewVisualPriv);
-	__glXFree(pNewVisualConfigs);
-	__glXFree(pVisualNew);
-	return FALSE;
-    }
-
-    /* Initialize the new visuals */
-    found_default = FALSE;
-    for (i = j = 0; i < numVisuals; i++) {
-
-	for (k = 0; k < numNewConfigs; k++) {
-
-	    int new_depth;
-	    int depth;
-	    int d,v;
-
-	    /* find the depth of the new visual config */
-	    new_depth = pNewVisualPriv[k]->x_visual_depth;
-
-	    /* find the depth of the original visual */
-	    depth = 0;
-	    d = 0;
-	    while( (depth==0) && (d < ndepth) ) {
-	       v = 0;
-	       while( (depth==0) && (v < pdepth[d].numVids) ) {
-		  if (pdepth[d].vids[v] ==  pVisual[i].vid) {
-		     depth = pdepth[d].depth;
-		  }
-		  v++;
-	       }
-	       d++;
-	    }
-
-	    /* check that the visual has the same class and depth 
-	     * as the new config
-             */
-	    if ( pVisual[i].class != pNewVisualPriv[k]->x_visual_class ||
-		  (depth != new_depth) )
-		continue;
-
-	    /* Initialize the new visual */
-	    pVisualNew[j] = pVisual[i];
-	    pVisualNew[j].vid = FakeClientID(0);
-
-	    /* Check for the default visual */
-	    if (!found_default && pVisual[i].vid == *defaultVisp) {
-		*defaultVisp = pVisualNew[j].vid;
-		found_default = TRUE;
-	    }
-
-	    /* Save the old VisualID */
-	    orig_vid[j] = pVisual[i].vid;
-
-	    /* Initialize the glXVisual */
-	    glXVisualPtr[j] = pNewVisualConfigs[k];
-	    glXVisualPtr[j].vid = pVisualNew[j].vid;
-
-	    /*
-	     * If the class is -1, then assume the X visual information
-	     * is identical to what GLX needs, and take them from the X
-	     * visual.  NOTE: if class != -1, then all other fields MUST
-	     * be initialized.
-	     */
-	    if (glXVisualPtr[j].class == -1) {
-		glXVisualPtr[j].class      = pVisual[i].class;
-		glXVisualPtr[j].redSize    = count_bits(pVisual[i].redMask);
-		glXVisualPtr[j].greenSize  = count_bits(pVisual[i].greenMask);
-		glXVisualPtr[j].blueSize   = count_bits(pVisual[i].blueMask);
-		glXVisualPtr[j].alphaSize  = glXVisualPtr[j].alphaSize;
-		glXVisualPtr[j].redMask    = pVisual[i].redMask;
-		glXVisualPtr[j].greenMask  = pVisual[i].greenMask;
-		glXVisualPtr[j].blueMask   = pVisual[i].blueMask;
-		glXVisualPtr[j].alphaMask  = glXVisualPtr[j].alphaMask;
-		glXVisualPtr[j].bufferSize = rootDepth;
-	    }
-
-	    /* Save the device-dependent private for this visual */
-	    glXVisualPriv[j] = pNewVisualPriv[k];
-
-            isGLXvis[j] = glxMatchGLXVisualInConfigList( &glXVisualPtr[j], 
-	                           dmxScreens[screenInfo.numScreens-1].glxVisuals,
-	                           dmxScreens[screenInfo.numScreens-1].numGlxVisuals );
-	    if (isGLXvis[j]) numGLXvis++;
-
-	    j++;
-	}
-    }
-
-    assert(j <= numNewVisuals);
-    numNewVisuals = j;   /* correct number of new visuals */
-
-    /* Save the GLX visuals in the screen structure */
-    __glXActiveScreens[screenInfo.numScreens-1].numVisuals = numNewVisuals;
-    __glXActiveScreens[screenInfo.numScreens-1].numGLXVisuals = numGLXvis;
-    __glXActiveScreens[screenInfo.numScreens-1].isGLXvis = isGLXvis;
-    __glXActiveScreens[screenInfo.numScreens-1].pGlxVisual = glXVisualPtr;
-
-
-    /* Set up depth's VisualIDs */
-    for (i = 0; i < ndepth; i++) {
-	int numVids = 0;
-	VisualID *pVids = NULL;
-	int k, n = 0;
-
-	/* Count the new number of VisualIDs at this depth */
-	for (j = 0; j < pdepth[i].numVids; j++)
-	    for (k = 0; k < numNewVisuals; k++)
-		if (pdepth[i].vids[j] == orig_vid[k])
-		    numVids++;
-
-	/* Allocate a new list of VisualIDs for this depth */
-	pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID));
-
-	/* Initialize the new list of VisualIDs for this depth */
-	for (j = 0; j < pdepth[i].numVids; j++)
-	    for (k = 0; k < numNewVisuals; k++)
-		if (pdepth[i].vids[j] == orig_vid[k])
-		    pVids[n++] = pVisualNew[k].vid;
-
-	/* Update this depth's list of VisualIDs */
-	__glXFree(pdepth[i].vids);
-	pdepth[i].vids = pVids;
-	pdepth[i].numVids = numVids;
-    }
-
-    /*
-     * if the default visual was rejected - need to choose new
-     * default visual !
-     */ 
-    if ( !found_default ) {
-
-       for (i=0; i<numVisuals; i++)
-	  if (pVisual[i].vid == *defaultVisp)
-	     break;
-
-       if (i < numVisuals) {
-	  *defaultVisp = FindClosestVisual( &pVisual[i], rootDepth, pdepth, ndepth, pVisualNew, numNewVisuals );
-       }
-    }
-
-    /* Update the X server's visuals */
-    *nvisualp = numNewVisuals;
-    *visualp = pVisualNew;
-
-    /* Free the old list of the X server's visuals */
-    __glXFree(pVisual);
-
-    /* Clean up temporary allocations */
-    __glXFree(orig_vid);
-    __glXFree(pNewVisualPriv);
-    __glXFree(pNewVisualConfigs);
-
-    /* Free the private list created by DDX HW driver */
-    if (visualPrivates)
-        xfree(visualPrivates);
-    visualPrivates = NULL;
-
-    return TRUE;
-}
+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#ifdef HAVE_DMX_CONFIG_H

+#include <dmx-config.h>

+#endif

+

+#include <assert.h>

+#include "dmx.h"

+#include "glxserver.h"

+#include "glxutil.h"

+#include "dmx_glxvisuals.h"

+#include <stdlib.h>

+

+static int                 numConfigs     = 0;

+static __GLXvisualConfig  *visualConfigs  = NULL;

+static void              **visualPrivates = NULL;

+

+int glxVisualsMatch( __GLXvisualConfig *v1, __GLXvisualConfig *v2 )

+{

+      if ( (v1->class == v2->class) &&

+           (v1->rgba == v2->rgba) &&

+	   (v1->redSize == v2->redSize) &&

+	   (v1->greenSize == v2->greenSize) &&

+	   (v1->blueSize == v2->blueSize) &&

+	   (v1->alphaSize == v2->alphaSize) &&

+	   (v1->redMask == v2->redMask) &&

+	   (v1->greenMask == v2->greenMask) &&

+	   (v1->blueMask == v2->blueMask) &&

+	   (v1->alphaMask == v2->alphaMask) &&

+	   (v1->accumRedSize == v2->accumRedSize) &&

+	   (v1->accumGreenSize == v2->accumGreenSize) &&

+	   (v1->accumBlueSize == v2->accumBlueSize) &&

+	   (v1->accumAlphaSize == v2->accumAlphaSize) &&

+	   (v1->doubleBuffer == v2->doubleBuffer) &&

+	   (v1->stereo == v2->stereo) &&

+	   (v1->bufferSize == v2->bufferSize) &&

+	   (v1->depthSize == v2->depthSize) &&

+	   (v1->stencilSize == v2->stencilSize) &&

+	   (v1->auxBuffers == v2->auxBuffers) &&

+	   (v1->level == v2->level) &&

+	   (v1->visualRating == v2->visualRating) &&

+	   (v1->transparentPixel == v2->transparentPixel) &&

+	   (v1->transparentRed == v2->transparentRed) &&

+	   (v1->transparentGreen == v2->transparentGreen) &&

+	   (v1->transparentBlue == v2->transparentBlue) &&

+	   (v1->transparentAlpha == v2->transparentAlpha) &&

+	   (v1->transparentIndex == v2->transparentIndex) &&

+	   (v1->multiSampleSize == v2->multiSampleSize) &&

+	   (v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) &&

+	   (v1->visualSelectGroup == v2->visualSelectGroup)         ) {

+

+	      return(1);

+

+      }

+

+      return(0);

+

+}

+

+VisualID glxMatchGLXVisualInConfigList( __GLXvisualConfig *pGlxVisual, __GLXvisualConfig *configs, int nconfigs )

+{

+    int i;

+

+    for (i=0; i<nconfigs; i++) {

+

+       if (glxVisualsMatch( pGlxVisual, &configs[i] )) {

+

+	  return( configs[i].vid );

+

+       }

+    }

+

+    return(0);

+}

+

+VisualID glxMatchVisualInConfigList( ScreenPtr pScreen, VisualPtr pVisual, __GLXvisualConfig *configs, int nconfigs )

+{

+    __GLXscreenInfo *pGlxScreen;

+    __GLXvisualConfig *pGlxVisual;

+    int i;

+

+    /* check that the glx extension has been initialized */

+    if ( !__glXActiveScreens ) 

+       return(0);

+

+    pGlxScreen = &__glXActiveScreens[pScreen->myNum];

+    pGlxVisual = pGlxScreen->pGlxVisual;

+

+    /* find the glx visual info for pVisual */

+    for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {

+	if (pGlxVisual->vid == pVisual->vid) {

+	    break;

+	}

+    }

+    if (i == pGlxScreen->numVisuals) {

+	/*

+	 * the visual is not supported by glx

+	 */

+        return(0);

+    }

+

+    return( glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs) );

+}

+

+VisualPtr glxMatchVisual( ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen )

+{

+    __GLXscreenInfo *pGlxScreen2;

+    int j;

+    VisualID vid;

+

+    /* check that the glx extension has been initialized */

+    if ( !__glXActiveScreens ) 

+       return NULL;

+

+    pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum];

+

+    vid = glxMatchVisualInConfigList( pScreen, pVisual,

+                                      pGlxScreen2->pGlxVisual,

+				      pGlxScreen2->numVisuals );

+    if (vid) {

+       /*

+    	* find the X visual of the matching glx visual

+	*/

+       for (j=0; j<pMatchScreen->numVisuals; j++) {

+	  if (vid == pMatchScreen->visuals[j].vid) {

+	     return( &pMatchScreen->visuals[j] );

+	  }

+       }

+    }

+

+    return(0);

+}

+

+void glxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,

+                 void **privates)

+{

+    numConfigs = nconfigs;

+    visualConfigs = configs;

+    visualPrivates = privates;

+}

+

+static int count_bits(unsigned int n)

+{

+   int bits = 0;

+

+   while (n > 0) {

+      if (n & 1) bits++;

+      n >>= 1;

+   }

+   return bits;

+}

+

+static VisualID FindClosestVisual( VisualPtr pVisual, int rootDepth, 

+                                   DepthPtr pdepth, int ndepths,

+				   VisualPtr pNewVisual, int numNewVisuals)

+{

+   int d, v;

+   VisualPtr vis;

+

+   /*

+    * find the first visual with the same or deeper depth

+    * of the same class.

+    */

+   for (d=0; d<ndepths; d++) {

+      if (pdepth[d].depth >= rootDepth) {

+	 for (v=0; v<pdepth[d].numVids; v++) {

+

+	    /* find the new visual structure */

+	    vis = pNewVisual;

+	    while( pdepth[d].vids[v] != vis->vid ) vis++;

+

+	    if (vis->class == pVisual->class) {

+	       return( pdepth[d].vids[v] );

+	    }

+	 }

+      }

+   }

+

+   /*

+    * did not find any.

+    * try to look for the same class only.

+    */

+   for (d=0; d<ndepths; d++) {

+      for (v=0; v<pdepth[d].numVids; v++) {

+

+	 /* find the new visual structure */

+      	 vis = pNewVisual;

+	 while( pdepth[d].vids[v] != vis->vid ) vis++;

+

+      	 if (vis->class == pVisual->class) {

+	    return( pdepth[d].vids[v] );

+	 }

+      }

+   }

+

+   /*

+    * if not found - just take the first visual

+    */

+   return( pdepth[0].vids[0] );

+}

+

+Bool glxInitVisuals(int *nvisualp, VisualPtr *visualp,

+			 VisualID *defaultVisp,

+			 int ndepth, DepthPtr pdepth,

+			 int rootDepth)

+{

+    int numRGBconfigs;

+    int numCIconfigs;

+    int numVisuals = *nvisualp;

+    int numNewVisuals;

+    int numNewConfigs;

+    VisualPtr pVisual = *visualp;

+    VisualPtr pVisualNew = NULL;

+    VisualID *orig_vid = NULL;

+    __GLXvisualConfig *glXVisualPtr = NULL;

+    __GLXvisualConfig *pNewVisualConfigs = NULL;

+    void **glXVisualPriv;

+    dmxGlxVisualPrivate **pNewVisualPriv;

+    int found_default;

+    int i, j, k;

+    int numGLXvis = 0;

+    GLint *isGLXvis;

+

+    if (numConfigs > 0)

+        numNewConfigs = numConfigs;

+    else

+        return False;

+

+    MAXSCREENSALLOC(__glXActiveScreens);

+    if (!__glXActiveScreens)

+        return False;

+

+    /* Alloc space for the list of new GLX visuals */

+    pNewVisualConfigs = (__GLXvisualConfig *)

+                     __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));

+    if (!pNewVisualConfigs) {

+	return FALSE;

+    }

+

+    /* Alloc space for the list of new GLX visual privates */

+    pNewVisualPriv = (dmxGlxVisualPrivate **) __glXMalloc(numNewConfigs * sizeof(dmxGlxVisualPrivate *));

+    if (!pNewVisualPriv) {

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* copy driver's visual config info */

+    for (i = 0; i < numConfigs; i++) {

+       pNewVisualConfigs[i] = visualConfigs[i];

+       pNewVisualPriv[i] = (dmxGlxVisualPrivate *)visualPrivates[i];

+    }

+

+#if 1

+    /* FIXME: This is a hack to workaround a hang in xtest caused by a

+     * mismatch between what the front end (i.e., DMX) server calculates

+     * for the visual configs and what the back-end servers have.

+     */

+    {

+	int numTCRGBconfigs = 0;

+	int numDCRGBconfigs = 0;

+

+	numRGBconfigs = 0;

+	numCIconfigs = 0;

+

+	for (i = 0; i < numNewConfigs; i++) {

+	    if (pNewVisualConfigs[i].rgba) {

+		if (pNewVisualConfigs[i].class == TrueColor)

+		    numTCRGBconfigs++;

+		else

+		    numDCRGBconfigs++;

+		numRGBconfigs++;

+	    } else

+		numCIconfigs++;

+	}

+

+	/* Count the total number of visuals to compute */

+	numNewVisuals = 0;

+	for (i = 0; i < numVisuals; i++) {

+	    numNewVisuals +=

+		(pVisual[i].class == TrueColor)   ? numTCRGBconfigs :

+		(pVisual[i].class == DirectColor) ? numDCRGBconfigs :

+						    numCIconfigs;

+	}

+    }

+#else

+    /* Count the number of RGB and CI visual configs */

+    numRGBconfigs = 0;

+    numCIconfigs = 0;

+    for (i = 0; i < numNewConfigs; i++) {

+	if (pNewVisualConfigs[i].rgba)

+	    numRGBconfigs++;

+	else

+	    numCIconfigs++;

+    }

+

+    /* Count the total number of visuals to compute */

+    numNewVisuals = 0;

+    for (i = 0; i < numVisuals; i++) {

+        numNewVisuals +=

+	    (pVisual[i].class == TrueColor || pVisual[i].class == DirectColor)

+	    ? numRGBconfigs : numCIconfigs;

+    }

+#endif

+

+    /* Reset variables for use with the next screen/driver's visual configs */

+    visualConfigs = NULL;

+    numConfigs = 0;

+

+    /* Alloc temp space for the list of orig VisualIDs for each new visual */

+    orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));

+    if (!orig_vid) {

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* Alloc space for the list of glXVisuals */

+    glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals *

+						    sizeof(__GLXvisualConfig));

+    if (!glXVisualPtr) {

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* Alloc space for the list of glXVisualPrivates */

+    glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));

+    if (!glXVisualPriv) {

+	__glXFree(glXVisualPtr);

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    /* Alloc space for the new list of the X server's visuals */

+    pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec));

+    if (!pVisualNew) {

+	__glXFree(glXVisualPriv);

+	__glXFree(glXVisualPtr);

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	return FALSE;

+    }

+

+    isGLXvis = (GLint *) __glXMalloc(numNewVisuals * sizeof(GLint));

+    if (!isGLXvis) {

+	__glXFree(glXVisualPriv);

+	__glXFree(glXVisualPtr);

+	__glXFree(orig_vid);

+	__glXFree(pNewVisualPriv);

+	__glXFree(pNewVisualConfigs);

+	__glXFree(pVisualNew);

+	return FALSE;

+    }

+

+    /* Initialize the new visuals */

+    found_default = FALSE;

+    for (i = j = 0; i < numVisuals; i++) {

+

+	for (k = 0; k < numNewConfigs; k++) {

+

+	    int new_depth;

+	    int depth;

+	    int d,v;

+

+	    /* find the depth of the new visual config */

+	    new_depth = pNewVisualPriv[k]->x_visual_depth;

+

+	    /* find the depth of the original visual */

+	    depth = 0;

+	    d = 0;

+	    while( (depth==0) && (d < ndepth) ) {

+	       v = 0;

+	       while( (depth==0) && (v < pdepth[d].numVids) ) {

+		  if (pdepth[d].vids[v] ==  pVisual[i].vid) {

+		     depth = pdepth[d].depth;

+		  }

+		  v++;

+	       }

+	       d++;

+	    }

+

+	    /* check that the visual has the same class and depth 

+	     * as the new config

+             */

+	    if ( pVisual[i].class != pNewVisualPriv[k]->x_visual_class ||

+		  (depth != new_depth) )

+		continue;

+

+	    /* Initialize the new visual */

+	    pVisualNew[j] = pVisual[i];

+	    pVisualNew[j].vid = FakeClientID(0);

+

+	    /* Check for the default visual */

+	    if (!found_default && pVisual[i].vid == *defaultVisp) {

+		*defaultVisp = pVisualNew[j].vid;

+		found_default = TRUE;

+	    }

+

+	    /* Save the old VisualID */

+	    orig_vid[j] = pVisual[i].vid;

+

+	    /* Initialize the glXVisual */

+	    glXVisualPtr[j] = pNewVisualConfigs[k];

+	    glXVisualPtr[j].vid = pVisualNew[j].vid;

+

+	    /*

+	     * If the class is -1, then assume the X visual information

+	     * is identical to what GLX needs, and take them from the X

+	     * visual.  NOTE: if class != -1, then all other fields MUST

+	     * be initialized.

+	     */

+	    if (glXVisualPtr[j].class == -1) {

+		glXVisualPtr[j].class      = pVisual[i].class;

+		glXVisualPtr[j].redSize    = count_bits(pVisual[i].redMask);

+		glXVisualPtr[j].greenSize  = count_bits(pVisual[i].greenMask);

+		glXVisualPtr[j].blueSize   = count_bits(pVisual[i].blueMask);

+		glXVisualPtr[j].alphaSize  = glXVisualPtr[j].alphaSize;

+		glXVisualPtr[j].redMask    = pVisual[i].redMask;

+		glXVisualPtr[j].greenMask  = pVisual[i].greenMask;

+		glXVisualPtr[j].blueMask   = pVisual[i].blueMask;

+		glXVisualPtr[j].alphaMask  = glXVisualPtr[j].alphaMask;

+		glXVisualPtr[j].bufferSize = rootDepth;

+	    }

+

+	    /* Save the device-dependent private for this visual */

+	    glXVisualPriv[j] = pNewVisualPriv[k];

+

+            isGLXvis[j] = glxMatchGLXVisualInConfigList( &glXVisualPtr[j], 

+	                           dmxScreens[screenInfo.numScreens-1].glxVisuals,

+	                           dmxScreens[screenInfo.numScreens-1].numGlxVisuals );

+	    if (isGLXvis[j]) numGLXvis++;

+

+	    j++;

+	}

+    }

+

+    assert(j <= numNewVisuals);

+    numNewVisuals = j;   /* correct number of new visuals */

+

+    /* Save the GLX visuals in the screen structure */

+    __glXActiveScreens[screenInfo.numScreens-1].numVisuals = numNewVisuals;

+    __glXActiveScreens[screenInfo.numScreens-1].numGLXVisuals = numGLXvis;

+    __glXActiveScreens[screenInfo.numScreens-1].isGLXvis = isGLXvis;

+    __glXActiveScreens[screenInfo.numScreens-1].pGlxVisual = glXVisualPtr;

+

+

+    /* Set up depth's VisualIDs */

+    for (i = 0; i < ndepth; i++) {

+	int numVids = 0;

+	VisualID *pVids = NULL;

+	int k, n = 0;

+

+	/* Count the new number of VisualIDs at this depth */

+	for (j = 0; j < pdepth[i].numVids; j++)

+	    for (k = 0; k < numNewVisuals; k++)

+		if (pdepth[i].vids[j] == orig_vid[k])

+		    numVids++;

+

+	/* Allocate a new list of VisualIDs for this depth */

+	pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID));

+

+	/* Initialize the new list of VisualIDs for this depth */

+	for (j = 0; j < pdepth[i].numVids; j++)

+	    for (k = 0; k < numNewVisuals; k++)

+		if (pdepth[i].vids[j] == orig_vid[k])

+		    pVids[n++] = pVisualNew[k].vid;

+

+	/* Update this depth's list of VisualIDs */

+	__glXFree(pdepth[i].vids);

+	pdepth[i].vids = pVids;

+	pdepth[i].numVids = numVids;

+    }

+

+    /*

+     * if the default visual was rejected - need to choose new

+     * default visual !

+     */ 

+    if ( !found_default ) {

+

+       for (i=0; i<numVisuals; i++)

+	  if (pVisual[i].vid == *defaultVisp)

+	     break;

+

+       if (i < numVisuals) {

+	  *defaultVisp = FindClosestVisual( &pVisual[i], rootDepth, pdepth, ndepth, pVisualNew, numNewVisuals );

+       }

+    }

+

+    /* Update the X server's visuals */

+    *nvisualp = numNewVisuals;

+    *visualp = pVisualNew;

+

+    /* Free the old list of the X server's visuals */

+    __glXFree(pVisual);

+

+    /* Clean up temporary allocations */

+    __glXFree(orig_vid);

+    __glXFree(pNewVisualPriv);

+    __glXFree(pNewVisualConfigs);

+

+    /* Free the private list created by DDX HW driver */

+    if (visualPrivates)

+        free(visualPrivates);

+    visualPrivates = NULL;

+

+    return TRUE;

+}

diff --git a/xorg-server/hw/dmx/glxProxy/unpack.h b/xorg-server/hw/dmx/glxProxy/unpack.h
index 98fa10ee7..73d0485e3 100644
--- a/xorg-server/hw/dmx/glxProxy/unpack.h
+++ b/xorg-server/hw/dmx/glxProxy/unpack.h
@@ -1,228 +1,228 @@
-#ifndef __GLX_unpack_h__
-#define __GLX_unpack_h__
-
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#define __GLX_PAD(s) (((s)+3) & (GLuint)~3)
-
-/*
-** Fetch the context-id out of a SingleReq request pointed to by pc.
-*/
-#define __GLX_GET_SINGLE_CONTEXT_TAG(pc) (((xGLXSingleReq*)pc)->contextTag)
-#define __GLX_GET_VENDPRIV_CONTEXT_TAG(pc) (((xGLXVendorPrivateReq*)pc)->contextTag)
-
-/*
-** Fetch a double from potentially unaligned memory.
-*/
-#ifdef __GLX_ALIGN64
-#define __GLX_MEM_COPY(dst,src,n)	memcpy(dst,src,n)
-#define __GLX_GET_DOUBLE(dst,src)	__GLX_MEM_COPY(&dst,src,8)
-#else
-#define __GLX_GET_DOUBLE(dst,src)	(dst) = *((GLdouble*)(src))
-#endif
-
-extern void __glXMemInit(void);
-
-extern xGLXSingleReply __glXReply;
-
-#define __GLX_BEGIN_REPLY(size) \
-  	__glXReply.length = __GLX_PAD(size) >> 2;	\
-  	__glXReply.type = X_Reply; 			\
-  	__glXReply.sequenceNumber = client->sequence;
-
-#define __GLX_SEND_HEADER() \
-	WriteToClient( client, sz_xGLXSingleReply, (char *)&__glXReply);
-
-#define __GLX_PUT_RETVAL(a) \
-  	__glXReply.retval = (a);
-  
-#define __GLX_PUT_SIZE(a) \
-  	__glXReply.size = (a);
-
-#define __GLX_PUT_RENDERMODE(m) \
-        __glXReply.pad3 = (m)
-
-/*
-** Get a buffer to hold returned data, with the given alignment.  If we have
-** to realloc, allocate size+align, in case the pointer has to be bumped for
-** alignment.  The answerBuffer should already be aligned.
-**
-** NOTE: the cast (long)res below assumes a long is large enough to hold a
-** pointer.
-*/
-#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align)			 \
-    if ((size) > sizeof(answerBuffer)) {				 \
-	int bump;							 \
-	if ((cl)->returnBufSize < (size)+(align)) {			 \
-	    (cl)->returnBuf = (GLbyte*)Xrealloc((cl)->returnBuf,	 \
-						(size)+(align));         \
-	    if (!(cl)->returnBuf) {					 \
-		return BadAlloc;					 \
-	    }								 \
-	    (cl)->returnBufSize = (size)+(align);			 \
-	}								 \
-	res = (char*)cl->returnBuf;					 \
-	bump = (long)(res) % (align);					 \
-	if (bump) res += (align) - (bump);				 \
-    } else {								 \
-	res = (char *)answerBuffer;					 \
-    }
-
-#define __GLX_PUT_BYTE() \
-  	*(GLbyte *)&__glXReply.pad3 = *(GLbyte *)answer
-	  
-#define __GLX_PUT_SHORT() \
-  	*(GLshort *)&__glXReply.pad3 = *(GLshort *)answer
-	  
-#define __GLX_PUT_INT() \
-  	*(GLint *)&__glXReply.pad3 = *(GLint *)answer
-	  
-#define __GLX_PUT_FLOAT() \
-  	*(GLfloat *)&__glXReply.pad3 = *(GLfloat *)answer
-	  
-#define __GLX_PUT_DOUBLE() \
-  	*(GLdouble *)&__glXReply.pad3 = *(GLdouble *)answer
-	  
-#define __GLX_SEND_BYTE_ARRAY(len) \
-	WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT8), (char *)answer)
-
-#define __GLX_SEND_SHORT_ARRAY(len) \
-	WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT16), (char *)answer)
-  
-#define __GLX_SEND_INT_ARRAY(len) \
-	WriteToClient(client, (len)*__GLX_SIZE_INT32, (char *)answer)
-  
-#define __GLX_SEND_FLOAT_ARRAY(len) \
-	WriteToClient(client, (len)*__GLX_SIZE_FLOAT32, (char *)answer)
-  
-#define __GLX_SEND_DOUBLE_ARRAY(len) \
-	WriteToClient(client, (len)*__GLX_SIZE_FLOAT64, (char *)answer)
-
-
-#define __GLX_SEND_VOID_ARRAY(len)  __GLX_SEND_BYTE_ARRAY(len)
-#define __GLX_SEND_UBYTE_ARRAY(len)  __GLX_SEND_BYTE_ARRAY(len)
-#define __GLX_SEND_USHORT_ARRAY(len) __GLX_SEND_SHORT_ARRAY(len)
-#define __GLX_SEND_UINT_ARRAY(len)  __GLX_SEND_INT_ARRAY(len)
-
-/*
-** PERFORMANCE NOTE:
-** Machine dependent optimizations abound here; these swapping macros can
-** conceivably be replaced with routines that do the job faster.
-*/
-#define __GLX_DECLARE_SWAP_VARIABLES \
-	GLbyte sw; \
-  	GLbyte *swapPC;		\
-  	GLbyte *swapEnd
-
-
-#define __GLX_SWAP_INT(pc) 			\
-  	sw = ((GLbyte *)(pc))[0]; 		\
-  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; 	\
-  	((GLbyte *)(pc))[3] = sw; 		\
-  	sw = ((GLbyte *)(pc))[1]; 		\
-  	((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; 	\
-  	((GLbyte *)(pc))[2] = sw;	
-
-#define __GLX_SWAP_SHORT(pc) \
-  	sw = ((GLbyte *)(pc))[0]; 		\
-  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[1]; 	\
-  	((GLbyte *)(pc))[1] = sw; 	
-
-#define __GLX_SWAP_DOUBLE(pc) \
-  	sw = ((GLbyte *)(pc))[0]; 		\
-  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[7]; 	\
-  	((GLbyte *)(pc))[7] = sw; 		\
-  	sw = ((GLbyte *)(pc))[1]; 		\
-  	((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[6]; 	\
-  	((GLbyte *)(pc))[6] = sw;			\
-  	sw = ((GLbyte *)(pc))[2]; 		\
-  	((GLbyte *)(pc))[2] = ((GLbyte *)(pc))[5]; 	\
-  	((GLbyte *)(pc))[5] = sw;			\
-  	sw = ((GLbyte *)(pc))[3]; 		\
-  	((GLbyte *)(pc))[3] = ((GLbyte *)(pc))[4]; 	\
-  	((GLbyte *)(pc))[4] = sw;	
-
-#define __GLX_SWAP_FLOAT(pc) \
-  	sw = ((GLbyte *)(pc))[0]; 		\
-  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; 	\
-  	((GLbyte *)(pc))[3] = sw; 		\
-  	sw = ((GLbyte *)(pc))[1]; 		\
-  	((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; 	\
-  	((GLbyte *)(pc))[2] = sw;	
-
-#define __GLX_SWAP_INT_ARRAY(pc, count) \
-  	swapPC = ((GLbyte *)(pc));		\
-  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT32;\
-  	while (swapPC < swapEnd) {		\
-	    __GLX_SWAP_INT(swapPC);		\
-	    swapPC += __GLX_SIZE_INT32;		\
-	}
-	
-#define __GLX_SWAP_SHORT_ARRAY(pc, count) \
-  	swapPC = ((GLbyte *)(pc));		\
-  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT16;\
-  	while (swapPC < swapEnd) {		\
-	    __GLX_SWAP_SHORT(swapPC);		\
-	    swapPC += __GLX_SIZE_INT16;		\
-	}
-	
-#define __GLX_SWAP_DOUBLE_ARRAY(pc, count) \
-  	swapPC = ((GLbyte *)(pc));		\
-  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT64;\
-  	while (swapPC < swapEnd) {		\
-	    __GLX_SWAP_DOUBLE(swapPC);		\
-	    swapPC += __GLX_SIZE_FLOAT64;	\
-	}
-    
-#define __GLX_SWAP_FLOAT_ARRAY(pc, count) \
-  	swapPC = ((GLbyte *)(pc));		\
-  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT32;\
-  	while (swapPC < swapEnd) {		\
-	    __GLX_SWAP_FLOAT(swapPC);		\
-	    swapPC += __GLX_SIZE_FLOAT32;	\
-	}
-
-#define __GLX_SWAP_REPLY_HEADER() \
-  	__GLX_SWAP_SHORT(&__glXReply.sequenceNumber); \
-  	__GLX_SWAP_INT(&__glXReply.length);
-
-#define __GLX_SWAP_REPLY_RETVAL() \
-  	__GLX_SWAP_INT(&__glXReply.retval)
-
-#define __GLX_SWAP_REPLY_SIZE() \
-  	__GLX_SWAP_INT(&__glXReply.size)
-
-#endif /* !__GLX_unpack_h__ */
-
-
-
-
-
+#ifndef __GLX_unpack_h__

+#define __GLX_unpack_h__

+

+/*

+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

+ * Copyright (C) 1991-2000 Silicon Graphics, 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, sublicense,

+ * 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 including the dates of first publication and

+ * either this permission notice or a reference to

+ * http://oss.sgi.com/projects/FreeB/

+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL

+ * SILICON GRAPHICS, INC. 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.

+ *

+ * Except as contained in this notice, the name of Silicon Graphics, Inc.

+ * shall not be used in advertising or otherwise to promote the sale, use or

+ * other dealings in this Software without prior written authorization from

+ * Silicon Graphics, Inc.

+ */

+

+#define __GLX_PAD(s) (((s)+3) & (GLuint)~3)

+

+/*

+** Fetch the context-id out of a SingleReq request pointed to by pc.

+*/

+#define __GLX_GET_SINGLE_CONTEXT_TAG(pc) (((xGLXSingleReq*)pc)->contextTag)

+#define __GLX_GET_VENDPRIV_CONTEXT_TAG(pc) (((xGLXVendorPrivateReq*)pc)->contextTag)

+

+/*

+** Fetch a double from potentially unaligned memory.

+*/

+#ifdef __GLX_ALIGN64

+#define __GLX_MEM_COPY(dst,src,n)	memcpy(dst,src,n)

+#define __GLX_GET_DOUBLE(dst,src)	__GLX_MEM_COPY(&dst,src,8)

+#else

+#define __GLX_GET_DOUBLE(dst,src)	(dst) = *((GLdouble*)(src))

+#endif

+

+extern void __glXMemInit(void);

+

+extern xGLXSingleReply __glXReply;

+

+#define __GLX_BEGIN_REPLY(size) \

+  	__glXReply.length = __GLX_PAD(size) >> 2;	\

+  	__glXReply.type = X_Reply; 			\

+  	__glXReply.sequenceNumber = client->sequence;

+

+#define __GLX_SEND_HEADER() \

+	WriteToClient( client, sz_xGLXSingleReply, (char *)&__glXReply);

+

+#define __GLX_PUT_RETVAL(a) \

+  	__glXReply.retval = (a);

+  

+#define __GLX_PUT_SIZE(a) \

+  	__glXReply.size = (a);

+

+#define __GLX_PUT_RENDERMODE(m) \

+        __glXReply.pad3 = (m)

+

+/*

+** Get a buffer to hold returned data, with the given alignment.  If we have

+** to realloc, allocate size+align, in case the pointer has to be bumped for

+** alignment.  The answerBuffer should already be aligned.

+**

+** NOTE: the cast (long)res below assumes a long is large enough to hold a

+** pointer.

+*/

+#define __GLX_GET_ANSWER_BUFFER(res,cl,size,align)			 \

+    if ((size) > sizeof(answerBuffer)) {				 \

+	int bump;							 \

+	if ((cl)->returnBufSize < (size)+(align)) {			 \

+	    (cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf,		 \

+						(size)+(align));         \

+	    if (!(cl)->returnBuf) {					 \

+		return BadAlloc;					 \

+	    }								 \

+	    (cl)->returnBufSize = (size)+(align);			 \

+	}								 \

+	res = (char*)cl->returnBuf;					 \

+	bump = (long)(res) % (align);					 \

+	if (bump) res += (align) - (bump);				 \

+    } else {								 \

+	res = (char *)answerBuffer;					 \

+    }

+

+#define __GLX_PUT_BYTE() \

+  	*(GLbyte *)&__glXReply.pad3 = *(GLbyte *)answer

+	  

+#define __GLX_PUT_SHORT() \

+  	*(GLshort *)&__glXReply.pad3 = *(GLshort *)answer

+	  

+#define __GLX_PUT_INT() \

+  	*(GLint *)&__glXReply.pad3 = *(GLint *)answer

+	  

+#define __GLX_PUT_FLOAT() \

+  	*(GLfloat *)&__glXReply.pad3 = *(GLfloat *)answer

+	  

+#define __GLX_PUT_DOUBLE() \

+  	*(GLdouble *)&__glXReply.pad3 = *(GLdouble *)answer

+	  

+#define __GLX_SEND_BYTE_ARRAY(len) \

+	WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT8), (char *)answer)

+

+#define __GLX_SEND_SHORT_ARRAY(len) \

+	WriteToClient(client, __GLX_PAD((len)*__GLX_SIZE_INT16), (char *)answer)

+  

+#define __GLX_SEND_INT_ARRAY(len) \

+	WriteToClient(client, (len)*__GLX_SIZE_INT32, (char *)answer)

+  

+#define __GLX_SEND_FLOAT_ARRAY(len) \

+	WriteToClient(client, (len)*__GLX_SIZE_FLOAT32, (char *)answer)

+  

+#define __GLX_SEND_DOUBLE_ARRAY(len) \

+	WriteToClient(client, (len)*__GLX_SIZE_FLOAT64, (char *)answer)

+

+

+#define __GLX_SEND_VOID_ARRAY(len)  __GLX_SEND_BYTE_ARRAY(len)

+#define __GLX_SEND_UBYTE_ARRAY(len)  __GLX_SEND_BYTE_ARRAY(len)

+#define __GLX_SEND_USHORT_ARRAY(len) __GLX_SEND_SHORT_ARRAY(len)

+#define __GLX_SEND_UINT_ARRAY(len)  __GLX_SEND_INT_ARRAY(len)

+

+/*

+** PERFORMANCE NOTE:

+** Machine dependent optimizations abound here; these swapping macros can

+** conceivably be replaced with routines that do the job faster.

+*/

+#define __GLX_DECLARE_SWAP_VARIABLES \

+	GLbyte sw; \

+  	GLbyte *swapPC;		\

+  	GLbyte *swapEnd

+

+

+#define __GLX_SWAP_INT(pc) 			\

+  	sw = ((GLbyte *)(pc))[0]; 		\

+  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; 	\

+  	((GLbyte *)(pc))[3] = sw; 		\

+  	sw = ((GLbyte *)(pc))[1]; 		\

+  	((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; 	\

+  	((GLbyte *)(pc))[2] = sw;	

+

+#define __GLX_SWAP_SHORT(pc) \

+  	sw = ((GLbyte *)(pc))[0]; 		\

+  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[1]; 	\

+  	((GLbyte *)(pc))[1] = sw; 	

+

+#define __GLX_SWAP_DOUBLE(pc) \

+  	sw = ((GLbyte *)(pc))[0]; 		\

+  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[7]; 	\

+  	((GLbyte *)(pc))[7] = sw; 		\

+  	sw = ((GLbyte *)(pc))[1]; 		\

+  	((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[6]; 	\

+  	((GLbyte *)(pc))[6] = sw;			\

+  	sw = ((GLbyte *)(pc))[2]; 		\

+  	((GLbyte *)(pc))[2] = ((GLbyte *)(pc))[5]; 	\

+  	((GLbyte *)(pc))[5] = sw;			\

+  	sw = ((GLbyte *)(pc))[3]; 		\

+  	((GLbyte *)(pc))[3] = ((GLbyte *)(pc))[4]; 	\

+  	((GLbyte *)(pc))[4] = sw;	

+

+#define __GLX_SWAP_FLOAT(pc) \

+  	sw = ((GLbyte *)(pc))[0]; 		\

+  	((GLbyte *)(pc))[0] = ((GLbyte *)(pc))[3]; 	\

+  	((GLbyte *)(pc))[3] = sw; 		\

+  	sw = ((GLbyte *)(pc))[1]; 		\

+  	((GLbyte *)(pc))[1] = ((GLbyte *)(pc))[2]; 	\

+  	((GLbyte *)(pc))[2] = sw;	

+

+#define __GLX_SWAP_INT_ARRAY(pc, count) \

+  	swapPC = ((GLbyte *)(pc));		\

+  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT32;\

+  	while (swapPC < swapEnd) {		\

+	    __GLX_SWAP_INT(swapPC);		\

+	    swapPC += __GLX_SIZE_INT32;		\

+	}

+	

+#define __GLX_SWAP_SHORT_ARRAY(pc, count) \

+  	swapPC = ((GLbyte *)(pc));		\

+  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_INT16;\

+  	while (swapPC < swapEnd) {		\

+	    __GLX_SWAP_SHORT(swapPC);		\

+	    swapPC += __GLX_SIZE_INT16;		\

+	}

+	

+#define __GLX_SWAP_DOUBLE_ARRAY(pc, count) \

+  	swapPC = ((GLbyte *)(pc));		\

+  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT64;\

+  	while (swapPC < swapEnd) {		\

+	    __GLX_SWAP_DOUBLE(swapPC);		\

+	    swapPC += __GLX_SIZE_FLOAT64;	\

+	}

+    

+#define __GLX_SWAP_FLOAT_ARRAY(pc, count) \

+  	swapPC = ((GLbyte *)(pc));		\

+  	swapEnd = ((GLbyte *)(pc)) + (count)*__GLX_SIZE_FLOAT32;\

+  	while (swapPC < swapEnd) {		\

+	    __GLX_SWAP_FLOAT(swapPC);		\

+	    swapPC += __GLX_SIZE_FLOAT32;	\

+	}

+

+#define __GLX_SWAP_REPLY_HEADER() \

+  	__GLX_SWAP_SHORT(&__glXReply.sequenceNumber); \

+  	__GLX_SWAP_INT(&__glXReply.length);

+

+#define __GLX_SWAP_REPLY_RETVAL() \

+  	__GLX_SWAP_INT(&__glXReply.retval)

+

+#define __GLX_SWAP_REPLY_SIZE() \

+  	__GLX_SWAP_INT(&__glXReply.size)

+

+#endif /* !__GLX_unpack_h__ */

+

+

+

+

+