xserver git update 15/5/2010

1 files changed, 1429 insertions, 1429 deletions

diff --git a/xorg-server/hw/kdrive/ephyr/ephyrdriext.c b/xorg-server/hw/kdrive/ephyr/ephyrdriext.c
index 5f5fd3bff..3d3d18a39 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrdriext.c
+++ b/xorg-server/hw/kdrive/ephyr/ephyrdriext.c
@@ -1,1429 +1,1429 @@
-/*
- * Xephyr - A kdrive X server thats runs in a host X window.
- *          Authored by Matthew Allum <mallum@openedhand.com>
- * 
- * Copyright © 2007 OpenedHand Ltd 
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of OpenedHand Ltd not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. OpenedHand Ltd makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- *
- * This file is heavily copied from hw/xfree86/dri/xf86dri.c
- *
- * Authors:
- *    Dodji Seketeli <dodji@openedhand.com>
- */
-
-#ifdef HAVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-
-#include <string.h>
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#define _XF86DRI_SERVER_
-#include <X11/dri/xf86dri.h>
-#include <X11/dri/xf86driproto.h>
-#include "misc.h"
-#include "privates.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "servermd.h"
-#include "swaprep.h"
-#include "ephyrdri.h"
-#include "ephyrdriext.h"
-#include "hostx.h"
-#define _HAVE_XALLOC_DECLS
-#include "ephyrlog.h"
-#include "protocol-versions.h"
-
-typedef struct {
-    int foo;
-} EphyrDRIWindowPrivRec;
-typedef EphyrDRIWindowPrivRec* EphyrDRIWindowPrivPtr;
-
-typedef struct {
-    CreateWindowProcPtr CreateWindow ;
-    DestroyWindowProcPtr DestroyWindow ;
-    MoveWindowProcPtr MoveWindow ;
-    PositionWindowProcPtr PositionWindow ;
-    ClipNotifyProcPtr ClipNotify ;
-} EphyrDRIScreenPrivRec;
-typedef EphyrDRIScreenPrivRec* EphyrDRIScreenPrivPtr;
-
-static int DRIErrorBase;
-
-static DISPATCH_PROC(ProcXF86DRIQueryVersion);
-static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);
-static DISPATCH_PROC(ProcXF86DRIOpenConnection);
-static DISPATCH_PROC(ProcXF86DRICloseConnection);
-static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);
-static DISPATCH_PROC(ProcXF86DRICreateContext);
-static DISPATCH_PROC(ProcXF86DRIDestroyContext);
-static DISPATCH_PROC(ProcXF86DRICreateDrawable);
-static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);
-static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);
-static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);
-static DISPATCH_PROC(ProcXF86DRIDispatch);
-static DISPATCH_PROC(ProcXF86DRIAuthConnection);
-
-static DISPATCH_PROC(SProcXF86DRIQueryVersion);
-static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable);
-static DISPATCH_PROC(SProcXF86DRIDispatch);
-
-static Bool ephyrDRIScreenInit (ScreenPtr a_screen) ;
-static Bool ephyrDRICreateWindow (WindowPtr a_win) ;
-static Bool ephyrDRIDestroyWindow (WindowPtr a_win) ;
-static void ephyrDRIMoveWindow (WindowPtr a_win,
-                                int a_x, int a_y,
-                                WindowPtr a_siblings,
-                                VTKind a_kind);
-static Bool ephyrDRIPositionWindow (WindowPtr a_win,
-                                    int x, int y) ;
-static void ephyrDRIClipNotify (WindowPtr a_win,
-                                int a_x, int a_y) ;
-
-static Bool EphyrMirrorHostVisuals (ScreenPtr a_screen) ;
-static Bool destroyHostPeerWindow (const WindowPtr a_win) ;
-static Bool findWindowPairFromLocal (WindowPtr a_local,
-                                     EphyrWindowPair **a_pair);
-
-static unsigned char DRIReqCode = 0;
-
-static int ephyrDRIWindowKeyIndex;
-static DevPrivateKey ephyrDRIWindowKey = &ephyrDRIWindowKeyIndex;
-static int ephyrDRIScreenKeyIndex;
-static DevPrivateKey ephyrDRIScreenKey = &ephyrDRIScreenKeyIndex;
-
-#define GET_EPHYR_DRI_WINDOW_PRIV(win) ((EphyrDRIWindowPrivPtr) \
-    dixLookupPrivate(&(win)->devPrivates, ephyrDRIWindowKey))
-#define GET_EPHYR_DRI_SCREEN_PRIV(screen) ((EphyrDRIScreenPrivPtr) \
-    dixLookupPrivate(&(screen)->devPrivates, ephyrDRIScreenKey))
-
-
-Bool
-ephyrDRIExtensionInit (ScreenPtr a_screen)
-{
-    Bool is_ok=FALSE ;
-    ExtensionEntry* extEntry=NULL;
-    EphyrDRIScreenPrivPtr screen_priv=NULL ;
-
-    EPHYR_LOG ("enter\n") ;
-    if (!hostx_has_dri ()) {
-        EPHYR_LOG ("host does not have DRI extension\n") ;
-        goto out ;
-    }
-    EPHYR_LOG ("host X does have DRI extension\n") ;
-    if (!hostx_has_xshape ()) {
-        EPHYR_LOG ("host does not have XShape extension\n") ;
-        goto out ;
-    }
-    EPHYR_LOG ("host X does have XShape extension\n") ;
-
-#ifdef XF86DRI_EVENTS
-    EventType = CreateNewResourceType (XF86DRIFreeEvents, "DRIEvents");
-    if (!EventType) {
-        EPHYR_LOG_ERROR ("failed to register DRI event resource type\n") ;
-        goto out ;
-    }
-#endif
-
-    if ((extEntry = AddExtension(XF86DRINAME,
-				 XF86DRINumberEvents,
-				 XF86DRINumberErrors,
-				 ProcXF86DRIDispatch,
-				 SProcXF86DRIDispatch,
-				 NULL,
-				 StandardMinorOpcode))) {
-	DRIReqCode = (unsigned char)extEntry->base;
-	DRIErrorBase = extEntry->errorBase;
-    } else {
-        EPHYR_LOG_ERROR ("failed to register DRI extension\n") ;
-        goto out ;
-    }
-    screen_priv = xcalloc (1, sizeof (EphyrDRIScreenPrivRec)) ;
-    if (!screen_priv) {
-        EPHYR_LOG_ERROR ("failed to allocate screen_priv\n") ;
-        goto out ;
-    }
-    dixSetPrivate(&a_screen->devPrivates, ephyrDRIScreenKey, screen_priv);
-
-    if (!ephyrDRIScreenInit (a_screen)) {
-        EPHYR_LOG_ERROR ("ephyrDRIScreenInit() failed\n") ;
-        goto out ;
-    }
-    EphyrMirrorHostVisuals (a_screen) ;
-    is_ok=TRUE ;
-out:
-    EPHYR_LOG ("leave\n") ;
-    return is_ok ;
-}
-
-static Bool
-ephyrDRIScreenInit (ScreenPtr a_screen)
-{
-    Bool is_ok=FALSE ;
-    EphyrDRIScreenPrivPtr screen_priv=NULL ;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_screen, FALSE) ;
-
-    screen_priv=GET_EPHYR_DRI_SCREEN_PRIV (a_screen) ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen_priv, FALSE) ;
-
-    screen_priv->CreateWindow = a_screen->CreateWindow ;
-    screen_priv->DestroyWindow = a_screen->DestroyWindow ;
-    screen_priv->MoveWindow = a_screen->MoveWindow ;
-    screen_priv->PositionWindow = a_screen->PositionWindow ;
-    screen_priv->ClipNotify = a_screen->ClipNotify ;
-
-    a_screen->CreateWindow = ephyrDRICreateWindow ;
-    a_screen->DestroyWindow = ephyrDRIDestroyWindow ;
-    a_screen->MoveWindow = ephyrDRIMoveWindow ;
-    a_screen->PositionWindow = ephyrDRIPositionWindow ;
-    a_screen->ClipNotify = ephyrDRIClipNotify ;
-
-    is_ok = TRUE ;
-
-    return is_ok ;
-}
-
-static Bool
-ephyrDRICreateWindow (WindowPtr a_win)
-{
-    Bool is_ok=FALSE ;
-    ScreenPtr screen=NULL ;
-    EphyrDRIScreenPrivPtr screen_priv =NULL;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;
-    screen = a_win->drawable.pScreen ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;
-    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen_priv
-                              && screen_priv->CreateWindow,
-                              FALSE) ;
-
-    EPHYR_LOG ("enter. win:%p\n", a_win) ;
-
-    screen->CreateWindow = screen_priv->CreateWindow ;
-    is_ok = (*screen->CreateWindow) (a_win) ;
-    screen->CreateWindow = ephyrDRICreateWindow ;
-
-    if (is_ok) {
-	dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL);
-    }
-    return is_ok ;
-}
-
-static Bool
-ephyrDRIDestroyWindow (WindowPtr a_win)
-{
-    Bool is_ok=FALSE ;
-    ScreenPtr screen=NULL ;
-    EphyrDRIScreenPrivPtr screen_priv =NULL;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;
-    screen = a_win->drawable.pScreen ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;
-    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen_priv
-                              && screen_priv->DestroyWindow,
-                              FALSE) ;
-
-    screen->DestroyWindow = screen_priv->DestroyWindow ;
-    if (screen->DestroyWindow) {
-        is_ok = (*screen->DestroyWindow) (a_win) ;
-    }
-    screen->DestroyWindow = ephyrDRIDestroyWindow ;
-
-    if (is_ok) {
-        EphyrDRIWindowPrivPtr win_priv=GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;
-        if (win_priv) {
-            destroyHostPeerWindow (a_win) ;
-            xfree (win_priv) ;
-	    dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL);
-            EPHYR_LOG ("destroyed the remote peer window\n") ;
-        }
-    }
-    return is_ok ;
-}
-
-static void
-ephyrDRIMoveWindow (WindowPtr a_win,
-                    int a_x, int a_y,
-                    WindowPtr a_siblings,
-                    VTKind a_kind)
-{
-    Bool is_ok=FALSE ;
-    ScreenPtr screen=NULL ;
-    EphyrDRIScreenPrivPtr screen_priv =NULL;
-    EphyrDRIWindowPrivPtr win_priv=NULL ;
-    EphyrWindowPair *pair=NULL ;
-    EphyrBox geo;
-    int x=0,y=0;/*coords relative to parent window*/
-
-    EPHYR_RETURN_IF_FAIL (a_win) ;
-
-    EPHYR_LOG ("enter\n") ;
-    screen = a_win->drawable.pScreen ;
-    EPHYR_RETURN_IF_FAIL (screen) ;
-    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;
-    EPHYR_RETURN_IF_FAIL (screen_priv
-                          && screen_priv->MoveWindow) ;
-
-    screen->MoveWindow = screen_priv->MoveWindow ;
-    if (screen->MoveWindow) {
-        (*screen->MoveWindow) (a_win, a_x, a_y, a_siblings, a_kind) ;
-    }
-    screen->MoveWindow = ephyrDRIMoveWindow ;
-
-    EPHYR_LOG ("window: %p\n", a_win) ;
-    if (!a_win->parent) {
-        EPHYR_LOG ("cannot move root window\n") ;
-        is_ok = TRUE ;
-        goto out ;
-    }
-    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;
-    if (!win_priv) {
-        EPHYR_LOG ("not a DRI peered window\n") ;
-        is_ok = TRUE ;
-        goto out ;
-    }
-    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {
-        EPHYR_LOG_ERROR ("failed to get window pair\n") ;
-        goto out ;
-    }
-    /*compute position relative to parent window*/
-    x = a_win->drawable.x - a_win->parent->drawable.x ;
-    y = a_win->drawable.y - a_win->parent->drawable.y ;
-    /*set the geometry to pass to hostx_set_window_geometry*/
-    memset (&geo, 0, sizeof (geo)) ;
-    geo.x = x ;
-    geo.y = y ;
-    geo.width = a_win->drawable.width ;
-    geo.height = a_win->drawable.height ;
-    hostx_set_window_geometry (pair->remote, &geo) ;
-    is_ok = TRUE ;
-
-out:
-    EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;
-    /*do cleanup here*/
-}
-
-static Bool
-ephyrDRIPositionWindow (WindowPtr a_win,
-                        int a_x, int a_y)
-{
-    Bool is_ok=FALSE ;
-    ScreenPtr screen=NULL ;
-    EphyrDRIScreenPrivPtr screen_priv =NULL;
-    EphyrDRIWindowPrivPtr win_priv=NULL ;
-    EphyrWindowPair *pair=NULL ;
-    EphyrBox geo;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;
-
-    EPHYR_LOG ("enter\n") ;
-    screen = a_win->drawable.pScreen ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;
-    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen_priv
-                              && screen_priv->PositionWindow,
-                              FALSE) ;
-
-    screen->PositionWindow = screen_priv->PositionWindow ;
-    if (screen->PositionWindow) {
-        (*screen->PositionWindow) (a_win, a_x, a_y) ;
-    }
-    screen->PositionWindow = ephyrDRIPositionWindow ;
-
-    EPHYR_LOG ("window: %p\n", a_win) ;
-    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;
-    if (!win_priv) {
-        EPHYR_LOG ("not a DRI peered window\n") ;
-        is_ok = TRUE ;
-        goto out ;
-    }
-    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {
-        EPHYR_LOG_ERROR ("failed to get window pair\n") ;
-        goto out ;
-    }
-    /*set the geometry to pass to hostx_set_window_geometry*/
-    memset (&geo, 0, sizeof (geo)) ;
-    geo.x = a_x ;
-    geo.y = a_y ;
-    geo.width = a_win->drawable.width ;
-    geo.height = a_win->drawable.height ;
-    hostx_set_window_geometry (pair->remote, &geo) ;
-    is_ok = TRUE ;
-
-out:
-    EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;
-    /*do cleanup here*/
-    return is_ok ;
-}
-
-static void
-ephyrDRIClipNotify (WindowPtr a_win,
-                    int a_x, int a_y)
-{
-    Bool is_ok=FALSE ;
-    ScreenPtr screen=NULL ;
-    EphyrDRIScreenPrivPtr screen_priv =NULL;
-    EphyrDRIWindowPrivPtr win_priv=NULL ;
-    EphyrWindowPair *pair=NULL ;
-    EphyrRect *rects=NULL;
-    int i=0 ;
-
-    EPHYR_RETURN_IF_FAIL (a_win) ;
-
-    EPHYR_LOG ("enter\n") ;
-    screen = a_win->drawable.pScreen ;
-    EPHYR_RETURN_IF_FAIL (screen) ;
-    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;
-    EPHYR_RETURN_IF_FAIL (screen_priv && screen_priv->ClipNotify) ;
-
-    screen->ClipNotify = screen_priv->ClipNotify ;
-    if (screen->ClipNotify) {
-        (*screen->ClipNotify) (a_win, a_x, a_y) ;
-    }
-    screen->ClipNotify = ephyrDRIClipNotify ;
-
-    EPHYR_LOG ("window: %p\n", a_win) ;
-    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;
-    if (!win_priv) {
-        EPHYR_LOG ("not a DRI peered window\n") ;
-        is_ok = TRUE ;
-        goto out ;
-    }
-    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {
-        EPHYR_LOG_ERROR ("failed to get window pair\n") ;
-        goto out ;
-    }
-    rects = xcalloc (REGION_NUM_RECTS (&a_win->clipList),
-                     sizeof (EphyrRect)) ;
-    for (i=0; i < REGION_NUM_RECTS (&a_win->clipList); i++) {
-        memmove (&rects[i],
-                 &REGION_RECTS (&a_win->clipList)[i],
-                 sizeof (EphyrRect)) ;
-        rects[i].x1 -= a_win->drawable.x;
-        rects[i].x2 -= a_win->drawable.x;
-        rects[i].y1 -= a_win->drawable.y;
-        rects[i].y2 -= a_win->drawable.y;
-    }
-    /*
-     * push the clipping region of this window
-     * to the peer window in the host
-     */
-    is_ok = hostx_set_window_bounding_rectangles
-                                (pair->remote,
-                                 rects,
-                                 REGION_NUM_RECTS (&a_win->clipList)) ;
-    is_ok = TRUE ;
-
-out:
-    xfree (rects) ;
-    rects = NULL ;
-
-    EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;
-    /*do cleanup here*/
-}
-
-/**
- * Duplicates a visual of a_screen
- * In screen a_screen, for depth a_depth, find a visual which
- * bitsPerRGBValue and colormap size equal
- * a_bits_per_rgb_values and a_colormap_entries.
- * The ID of that duplicated visual is set to a_new_id.
- * That duplicated visual is then added to the list of visuals
- * of the screen.
- */
-static Bool
-EphyrDuplicateVisual (unsigned int a_screen,
-                      short a_depth,
-                      short a_class,
-                      short a_bits_per_rgb_values,
-                      short a_colormap_entries,
-                      unsigned int a_red_mask,
-                      unsigned int a_green_mask,
-                      unsigned int a_blue_mask,
-                      unsigned int a_new_id)
-{
-    Bool is_ok = FALSE, found_visual=FALSE, found_depth=FALSE ;
-    ScreenPtr screen=NULL ;
-    VisualRec new_visual, *new_visuals=NULL ;
-    int i=0 ;
-
-    EPHYR_LOG ("enter\n") ; 
-    if (a_screen > screenInfo.numScreens) {
-        EPHYR_LOG_ERROR ("bad screen number\n") ;
-        goto out;
-    }
-    memset (&new_visual, 0, sizeof (VisualRec)) ;
-
-    /*get the screen pointed to by a_screen*/
-    screen = screenInfo.screens[a_screen] ;
-    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;
-
-    /*
-     * In that screen, first look for an existing visual that has the
-     * same characteristics as those passed in parameter
-     * to this function and copy it.
-     */
-    for (i=0; i < screen->numVisuals; i++) {
-        if (screen->visuals[i].bitsPerRGBValue == a_bits_per_rgb_values &&
-            screen->visuals[i].ColormapEntries == a_colormap_entries ) {
-            /*copy the visual found*/
-            memcpy (&new_visual, &screen->visuals[i], sizeof (new_visual)) ;
-            new_visual.vid = a_new_id ;
-            new_visual.class = a_class ;
-            new_visual.redMask = a_red_mask ;
-            new_visual.greenMask = a_green_mask ;
-            new_visual.blueMask = a_blue_mask ;
-            found_visual = TRUE ;
-            EPHYR_LOG ("found a visual that matches visual id: %d\n",
-                       a_new_id) ;
-            break;
-        }
-    }
-    if (!found_visual) {
-        EPHYR_LOG ("did not find any visual matching %d\n", a_new_id) ;
-        goto out ;
-    }
-    /*
-     * be prepare to extend screen->visuals to add new_visual to it
-     */
-    new_visuals = xcalloc (screen->numVisuals+1, sizeof (VisualRec)) ;
-    memmove (new_visuals,
-             screen->visuals,
-             screen->numVisuals*sizeof (VisualRec)) ;
-    memmove (&new_visuals[screen->numVisuals],
-             &new_visual,
-             sizeof (VisualRec)) ;
-    /*
-     * Now, in that same screen, update the screen->allowedDepths member.
-     * In that array, each element represents the visuals applicable to
-     * a given depth. So we need to add an entry matching the new visual
-     * that we are going to add to screen->visuals
-     */
-    for (i=0; i<screen->numDepths; i++) {
-        VisualID *vids=NULL;
-        DepthPtr cur_depth=NULL ;
-        /*find the entry matching a_depth*/
-        if (screen->allowedDepths[i].depth != a_depth)
-            continue ;
-        cur_depth = &screen->allowedDepths[i];
-        /*
-         * extend the list of visual IDs in that entry,
-         * so to add a_new_id in there.
-         */
-        vids = xrealloc (cur_depth->vids,
-                         (cur_depth->numVids+1)*sizeof (VisualID));
-        if (!vids) {
-            EPHYR_LOG_ERROR ("failed to realloc numids\n") ;
-            goto out ;
-        }
-        vids[cur_depth->numVids] = a_new_id ;
-        /*
-         * Okay now commit our change.
-         * Do really update screen->allowedDepths[i]
-         */
-        cur_depth->numVids++ ;
-        cur_depth->vids = vids ;
-        found_depth=TRUE;
-    }
-    if (!found_depth) {
-        EPHYR_LOG_ERROR ("failed to update screen[%d]->allowedDepth\n",
-                         a_screen) ;
-        goto out ;
-    }
-    /*
-     * Commit our change to screen->visuals
-     */
-    xfree (screen->visuals) ;
-    screen->visuals = new_visuals ;
-    screen->numVisuals++ ;
-    new_visuals = NULL ;
-
-    is_ok = TRUE ;
-out:
-    xfree (new_visuals) ;
-    new_visuals = NULL ;
-
-    EPHYR_LOG ("leave\n") ; 
-    return is_ok ;
-}
-
-/**
- * Duplicates the visuals of the host X server.
- * This is necessary to have visuals that have the same
- * ID as those of the host X. It is important to have that for
- * GLX.
- */
-static Bool
-EphyrMirrorHostVisuals (ScreenPtr a_screen)
-{
-    Bool is_ok=FALSE;
-    EphyrHostVisualInfo  *visuals=NULL;
-    int nb_visuals=0, i=0;
-
-    EPHYR_LOG ("enter\n") ;
-    if (!hostx_get_visuals_info (&visuals, &nb_visuals)) {
-        EPHYR_LOG_ERROR ("failed to get host visuals\n") ;
-        goto out ;
-    }
-    for (i=0; i<nb_visuals; i++) {
-        if (!EphyrDuplicateVisual (a_screen->myNum,
-                                   visuals[i].depth,
-                                   visuals[i].class,
-                                   visuals[i].bits_per_rgb,
-                                   visuals[i].colormap_size,
-                                   visuals[i].red_mask,
-                                   visuals[i].green_mask,
-                                   visuals[i].blue_mask,
-                                   visuals[i].visualid)) {
-            EPHYR_LOG_ERROR ("failed to duplicate host visual %d\n",
-                             (int)visuals[i].visualid) ;
-        }
-    }
-
-    is_ok = TRUE ;
-out:
-    EPHYR_LOG ("leave\n") ;
-    return is_ok;
-}
-
-
-static int
-ProcXF86DRIQueryVersion (register ClientPtr client)
-{
-    xXF86DRIQueryVersionReply rep;
-    register int n;
-    REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);
-
-    EPHYR_LOG ("enter\n") ;
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION;
-    rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION;
-    rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION;
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-	swaps(&rep.majorVersion, n);
-	swaps(&rep.minorVersion, n);
-	swapl(&rep.patchVersion, n);
-    }
-    WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client)
-{
-    xXF86DRIQueryDirectRenderingCapableReply	rep;
-    Bool isCapable;
-    register int n;
-    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
-    REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if (!ephyrDRIQueryDirectRenderingCapable (stuff->screen, &isCapable)) {
-        return BadValue;
-    }
-    rep.isCapable = isCapable;
-
-    if (!LocalClient(client) || client->swapped)
-	rep.isCapable = 0;
-
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-    }
-
-    WriteToClient(client, sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);
-    EPHYR_LOG ("leave\n") ;
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIOpenConnection (register ClientPtr client)
-{
-    xXF86DRIOpenConnectionReply rep;
-    drm_handle_t			hSAREA;
-    char*			busIdString;
-    REQUEST(xXF86DRIOpenConnectionReq);
-    REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    if (!ephyrDRIOpenConnection(stuff->screen,
-                                &hSAREA,
-                                &busIdString)) {
-        return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.busIdStringLength = 0;
-    if (busIdString)
-	rep.busIdStringLength = strlen(busIdString);
-    rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +
-                  pad_to_int32(rep.busIdStringLength));
-
-    rep.hSAREALow  = (CARD32)(hSAREA & 0xffffffff);
-#if defined(LONG64) && !defined(__linux__)
-    rep.hSAREAHigh = (CARD32)(hSAREA >> 32);
-#else
-    rep.hSAREAHigh = 0;
-#endif
-
-    WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);
-    if (rep.busIdStringLength)
-        WriteToClient(client, rep.busIdStringLength, busIdString);
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIAuthConnection  (register ClientPtr client)
-{
-    xXF86DRIAuthConnectionReply rep;
-    REQUEST(xXF86DRIAuthConnectionReq);
-    REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.authenticated = 1;
-
-    if (!ephyrDRIAuthConnection (stuff->screen, stuff->magic)) {
-        ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic);
-        rep.authenticated = 0;
-    }
-    WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRICloseConnection (register ClientPtr client)
-{
-    REQUEST(xXF86DRICloseConnectionReq);
-    REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-        client->errorValue = stuff->screen;
-        return BadValue;
-    }
-
-    /*
-    DRICloseConnection( screenInfo.screens[stuff->screen]);
-    */
-
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIGetClientDriverName (register ClientPtr client)
-{
-    xXF86DRIGetClientDriverNameReply	rep;
-    char* clientDriverName;
-    REQUEST(xXF86DRIGetClientDriverNameReq);
-    REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    ephyrDRIGetClientDriverName (stuff->screen,
-                                 (int *)&rep.ddxDriverMajorVersion,
-                                 (int *)&rep.ddxDriverMinorVersion,
-                                 (int *)&rep.ddxDriverPatchVersion,
-                                 &clientDriverName);
-
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.clientDriverNameLength = 0;
-    if (clientDriverName)
-	rep.clientDriverNameLength = strlen(clientDriverName);
-    rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) -
-			SIZEOF(xGenericReply) +
-			pad_to_int32(rep.clientDriverNameLength));
-
-    WriteToClient(client, 
-	sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);
-    if (rep.clientDriverNameLength)
-	WriteToClient(client, 
-                      rep.clientDriverNameLength, 
-                      clientDriverName);
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRICreateContext (register ClientPtr client)
-{
-    xXF86DRICreateContextReply	rep;
-    ScreenPtr pScreen;
-    VisualPtr visual;
-    int i=0;
-    unsigned long context_id=0;
-    REQUEST(xXF86DRICreateContextReq);
-    REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    pScreen = screenInfo.screens[stuff->screen];
-    visual = pScreen->visuals;
-
-    /* Find the requested X visual */
-    for (i = 0; i < pScreen->numVisuals; i++, visual++)
-	if (visual->vid == stuff->visual)
-	    break;
-    if (i == pScreen->numVisuals) {
-	/* No visual found */
-	return BadValue;
-    }
-
-    context_id = stuff->context ;
-    if (!ephyrDRICreateContext (stuff->screen,
-                                stuff->visual,
-                                &context_id,
-                                (drm_context_t *)&rep.hHWContext)) {
-        return BadValue;
-    }
-
-    WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIDestroyContext (register ClientPtr client)
-{
-    REQUEST(xXF86DRIDestroyContextReq);
-    REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);
-    EPHYR_LOG ("enter\n") ;
-
-    if (stuff->screen >= screenInfo.numScreens) {
-        client->errorValue = stuff->screen;
-        return BadValue;
-    }
-
-   if (!ephyrDRIDestroyContext (stuff->screen, stuff->context)) {
-       return BadValue;
-   }
-
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static Bool
-getWindowVisual (const WindowPtr a_win,
-                 VisualPtr *a_visual)
-{
-    int i=0, visual_id=0 ;
-    EPHYR_RETURN_VAL_IF_FAIL (a_win
-                              && a_win->drawable.pScreen
-                              && a_win->drawable.pScreen->visuals,
-                              FALSE) ;
-
-    visual_id = wVisual (a_win) ;
-    for (i=0; i < a_win->drawable.pScreen->numVisuals; i++) {
-        if (a_win->drawable.pScreen->visuals[i].vid == visual_id) {
-            *a_visual = &a_win->drawable.pScreen->visuals[i] ;
-            return TRUE ;
-        }
-    }
-    return FALSE ;
-}
-
-
-#define NUM_WINDOW_PAIRS 256
-static EphyrWindowPair window_pairs[NUM_WINDOW_PAIRS] ;
-
-static Bool
-appendWindowPairToList (WindowPtr a_local,
-                        int a_remote)
-{
-    int i=0 ;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_local, FALSE) ;
-
-    EPHYR_LOG ("(local,remote):(%p, %d)\n", a_local, a_remote) ;
-
-    for (i=0; i < NUM_WINDOW_PAIRS; i++) {
-        if (window_pairs[i].local == NULL) {
-            window_pairs[i].local = a_local ;
-            window_pairs[i].remote = a_remote ;
-            return TRUE ;
-        }
-    }
-    return FALSE ;
-}
-
-static Bool
-findWindowPairFromLocal (WindowPtr a_local,
-                         EphyrWindowPair **a_pair)
-{
-    int i=0 ;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_pair && a_local, FALSE) ;
-
-    for (i=0; i < NUM_WINDOW_PAIRS; i++) {
-        if (window_pairs[i].local == a_local) {
-            *a_pair = &window_pairs[i] ;
-            EPHYR_LOG ("found (%p, %d)\n",
-                       (*a_pair)->local,
-                       (*a_pair)->remote) ;
-            return TRUE ;
-        }
-    }
-    return FALSE ;
-}
-
-Bool
-findWindowPairFromRemote (int a_remote,
-                          EphyrWindowPair **a_pair)
-{
-    int i=0 ;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_pair, FALSE) ;
-
-    for (i=0; i < NUM_WINDOW_PAIRS; i++) {
-        if (window_pairs[i].remote == a_remote) {
-            *a_pair = &window_pairs[i] ;
-            EPHYR_LOG ("found (%p, %d)\n",
-                       (*a_pair)->local,
-                       (*a_pair)->remote) ;
-            return TRUE ;
-        }
-    }
-    return FALSE ;
-}
-
-static Bool
-createHostPeerWindow (const WindowPtr a_win,
-                      int *a_peer_win)
-{
-    Bool is_ok=FALSE ;
-    VisualPtr visual=NULL;
-    EphyrBox geo ;
-
-    EPHYR_RETURN_VAL_IF_FAIL (a_win && a_peer_win, FALSE) ;
-    EPHYR_RETURN_VAL_IF_FAIL (a_win->drawable.pScreen,
-                              FALSE) ;
-
-    EPHYR_LOG ("enter. a_win '%p'\n", a_win) ;
-    if (!getWindowVisual (a_win, &visual)) {
-        EPHYR_LOG_ERROR ("failed to get window visual\n") ;
-        goto out ;
-    }
-    if (!visual) {
-        EPHYR_LOG_ERROR ("failed to create visual\n") ;
-        goto out ;
-    }
-    memset (&geo, 0, sizeof (geo)) ;
-    geo.x = a_win->drawable.x ;
-    geo.y = a_win->drawable.y ;
-    geo.width = a_win->drawable.width ;
-    geo.height = a_win->drawable.height ;
-    if (!hostx_create_window (a_win->drawable.pScreen->myNum,
-                              &geo, visual->vid, a_peer_win)) {
-        EPHYR_LOG_ERROR ("failed to create host peer window\n") ;
-        goto out ;
-    }
-    if (!appendWindowPairToList (a_win, *a_peer_win)) {
-        EPHYR_LOG_ERROR ("failed to append window to pair list\n") ;
-        goto out ;
-    }
-    is_ok = TRUE ;
-out:
-    EPHYR_LOG ("leave:remote win%d\n", *a_peer_win) ;
-    return is_ok ;
-}
-
-static Bool
-destroyHostPeerWindow (const WindowPtr a_win)
-{
-    Bool is_ok = FALSE ;
-    EphyrWindowPair *pair=NULL ;
-    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;
-
-    EPHYR_LOG ("enter\n") ;
-
-    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {
-        EPHYR_LOG_ERROR ("failed to find peer to local window\n") ;
-        goto out;
-    }
-    hostx_destroy_window (pair->remote) ;
-    is_ok = TRUE ;
-
-out:
-    EPHYR_LOG ("leave\n") ;
-    return is_ok;
-}
-
-static int
-ProcXF86DRICreateDrawable (ClientPtr client)
-{
-    xXF86DRICreateDrawableReply	rep;
-    DrawablePtr drawable=NULL;
-    WindowPtr window=NULL ;
-    EphyrWindowPair *pair=NULL ;
-    EphyrDRIWindowPrivPtr win_priv=NULL;
-    int rc=0, remote_win=0;
-    REQUEST(xXF86DRICreateDrawableReq);
-    REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-        client->errorValue = stuff->screen;
-        return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rc = dixLookupDrawable (&drawable, stuff->drawable, client, 0,
-                            DixReadAccess);
-    if (rc != Success)
-        return rc;
-    if (drawable->type != DRAWABLE_WINDOW) {
-        EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ;
-        return BadImplementation ;
-    }
-    EPHYR_LOG ("lookedup drawable %p\n", drawable) ;
-    window = (WindowPtr)drawable;
-    if (findWindowPairFromLocal (window, &pair) && pair) {
-        remote_win = pair->remote ;
-        EPHYR_LOG ("found window '%p' paire with remote '%d'\n",
-                   window, remote_win) ;
-    } else if (!createHostPeerWindow (window, &remote_win)) {
-        EPHYR_LOG_ERROR ("failed to create host peer window\n") ;
-        return BadAlloc ;
-    }
-
-    if (!ephyrDRICreateDrawable (stuff->screen,
-                                 remote_win,
-                                 (drm_drawable_t *)&rep.hHWDrawable)) {
-        EPHYR_LOG_ERROR ("failed to create dri drawable\n") ;
-        return BadValue;
-    }
-
-    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (window) ;
-    if (!win_priv) {
-        win_priv = xcalloc (1, sizeof (EphyrDRIWindowPrivRec)) ;
-        if (!win_priv) {
-            EPHYR_LOG_ERROR ("failed to allocate window private\n") ;
-            return BadAlloc ;
-        }
-	dixSetPrivate(&window->devPrivates, ephyrDRIWindowKey, win_priv);
-        EPHYR_LOG ("paired window '%p' with remote '%d'\n",
-                   window, remote_win) ;
-    }
-
-    WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIDestroyDrawable (register ClientPtr client)
-{
-    DrawablePtr drawable=NULL;
-    WindowPtr window=NULL;
-    EphyrWindowPair *pair=NULL;
-    int rc=0;
-    REQUEST(xXF86DRIDestroyDrawableReq);
-    REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-        client->errorValue = stuff->screen;
-        return BadValue;
-    }
-
-    rc = dixLookupDrawable(&drawable,
-                           stuff->drawable,
-                           client,
-                           0,
-                           DixReadAccess);
-    if (rc != Success)
-        return rc;
-    if (drawable->type != DRAWABLE_WINDOW) {
-        EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ;
-        return BadImplementation ;
-    }
-    window = (WindowPtr)drawable;
-    if (!findWindowPairFromLocal (window, &pair) && pair) {
-        EPHYR_LOG_ERROR ("failed to find pair window\n") ;
-        return BadImplementation;
-    }
-    if (!ephyrDRIDestroyDrawable(stuff->screen,
-                                 pair->remote/*drawable in host x*/)) {
-        EPHYR_LOG_ERROR ("failed to destroy dri drawable\n") ;
-        return BadImplementation;
-    }
-    pair->local=NULL ;
-    pair->remote=0;
-
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIGetDrawableInfo (register ClientPtr client)
-{
-    xXF86DRIGetDrawableInfoReply rep;
-    DrawablePtr drawable;
-    WindowPtr window=NULL;
-    EphyrWindowPair *pair=NULL;
-    int X=0, Y=0, W=0, H=0, backX=0, backY=0, rc=0, i=0;
-    drm_clip_rect_t *clipRects=NULL;
-    drm_clip_rect_t *backClipRects=NULL;
-    REQUEST(xXF86DRIGetDrawableInfoReq);
-    REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
-
-    EPHYR_LOG ("enter\n") ;
-    memset (&rep, 0, sizeof (rep)) ;
-    if (stuff->screen >= screenInfo.numScreens) {
-        client->errorValue = stuff->screen;
-        return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0,
-                           DixReadAccess);
-    if (rc != Success || !drawable) {
-        EPHYR_LOG_ERROR ("could not get drawable\n") ;
-        return rc;
-    }
-
-    if (drawable->type != DRAWABLE_WINDOW) {
-        EPHYR_LOG_ERROR ("non windows type drawables are not yes supported\n") ;
-        return BadImplementation ;
-    }
-    window = (WindowPtr)drawable ;
-    memset (&pair, 0, sizeof (pair)) ;
-    if (!findWindowPairFromLocal (window, &pair) || !pair) {
-        EPHYR_LOG_ERROR ("failed to find remote peer drawable\n") ;
-        return BadMatch ;
-    }
-    EPHYR_LOG ("clip list of xephyr gl drawable:\n") ;
-    for (i=0; i < REGION_NUM_RECTS (&window->clipList); i++) {
-        EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n",
-                   REGION_RECTS (&window->clipList)[i].x1,
-                   REGION_RECTS (&window->clipList)[i].y1,
-                   REGION_RECTS (&window->clipList)[i].x2,
-                   REGION_RECTS (&window->clipList)[i].y2) ;
-    }
-
-    if (!ephyrDRIGetDrawableInfo (stuff->screen,
-                                  pair->remote/*the drawable in hostx*/,
-                                  (unsigned int*)&rep.drawableTableIndex,
-                                  (unsigned int*)&rep.drawableTableStamp,
-                                  (int*)&X,
-                                  (int*)&Y,
-                                  (int*)&W,
-                                  (int*)&H,
-                                  (int*)&rep.numClipRects,
-                                  &clipRects,
-                                  &backX,
-                                  &backY,
-                                  (int*)&rep.numBackClipRects,
-                                  &backClipRects)) {
-        return BadValue;
-    }
-    EPHYR_LOG ("num clip rects:%d, num back clip rects:%d\n",
-               (int)rep.numClipRects, (int)rep.numBackClipRects) ;
-
-    rep.drawableX = X;
-    rep.drawableY = Y;
-    rep.drawableWidth = W;
-    rep.drawableHeight = H;
-    rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
-                  SIZEOF(xGenericReply));
-
-    rep.backX = backX;
-    rep.backY = backY;
-
-
-    if (rep.numClipRects) {
-        if (clipRects) {
-            ScreenPtr pScreen = screenInfo.screens[stuff->screen];
-            int i=0;
-            EPHYR_LOG ("clip list of host gl drawable:\n") ;
-            for (i = 0; i < rep.numClipRects; i++) {
-                clipRects[i].x1 = max (clipRects[i].x1, 0);
-                clipRects[i].y1 = max (clipRects[i].y1, 0);
-                clipRects[i].x2 = min (clipRects[i].x2,
-                                       pScreen->width + clipRects[i].x1) ;
-                clipRects[i].y2 = min (clipRects[i].y2,
-                                       pScreen->width + clipRects[i].y1) ;
-
-                EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n",
-                           clipRects[i].x1, clipRects[i].y1,
-                           clipRects[i].x2, clipRects[i].y2) ;
-            }
-        } else {
-            rep.numClipRects = 0;
-        }
-    } else {
-        EPHYR_LOG ("got zero host gl drawable clipping rects\n") ;
-    }
-    rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
-    backClipRects = clipRects ;
-    rep.numBackClipRects = rep.numClipRects ;
-    if (rep.numBackClipRects)
-        rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
-    EPHYR_LOG ("num host clip rects:%d\n", (int)rep.numClipRects) ;
-    EPHYR_LOG ("num host back clip rects:%d\n", (int)rep.numBackClipRects) ;
-
-    rep.length = bytes_to_int32(rep.length);
-
-    WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
-
-    if (rep.numClipRects) {
-        WriteToClient(client,
-                      sizeof(drm_clip_rect_t) * rep.numClipRects,
-                      (char *)clipRects);
-    }
-
-    if (rep.numBackClipRects) {
-        WriteToClient(client,
-                      sizeof(drm_clip_rect_t) * rep.numBackClipRects,
-                      (char *)backClipRects);
-    }
-    xfree(clipRects);
-    clipRects = NULL ;
-
-    EPHYR_LOG ("leave\n") ;
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIGetDeviceInfo (register ClientPtr client)
-{
-    xXF86DRIGetDeviceInfoReply	rep;
-    drm_handle_t hFrameBuffer;
-    void *pDevPrivate;
-    REQUEST(xXF86DRIGetDeviceInfoReq);
-    REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);
-
-    EPHYR_LOG ("enter\n") ;
-    if (stuff->screen >= screenInfo.numScreens) {
-        client->errorValue = stuff->screen;
-        return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if (!ephyrDRIGetDeviceInfo (stuff->screen,
-                &hFrameBuffer,
-                (int*)&rep.framebufferOrigin,
-                (int*)&rep.framebufferSize,
-                (int*)&rep.framebufferStride,
-                (int*)&rep.devPrivateSize,
-                &pDevPrivate)) {
-        return BadValue;
-    }
-
-    rep.hFrameBufferLow  = (CARD32)(hFrameBuffer & 0xffffffff);
-#if defined(LONG64) && !defined(__linux__)
-    rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32);
-#else
-    rep.hFrameBufferHigh = 0;
-#endif
-
-    rep.length = 0;
-    if (rep.devPrivateSize) {
-        rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) -
-                SIZEOF(xGenericReply) +
-                pad_to_int32(rep.devPrivateSize));
-    }
-
-    WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);
-    if (rep.length) {
-        WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);
-    }
-    EPHYR_LOG ("leave\n") ;
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIDispatch (register ClientPtr	client)
-{
-    REQUEST(xReq);
-    EPHYR_LOG ("enter\n") ;
-
-    switch (stuff->data)
-    {
-        case X_XF86DRIQueryVersion: {
-                EPHYR_LOG ("leave\n") ;
-                return ProcXF86DRIQueryVersion(client);
-        }
-        case X_XF86DRIQueryDirectRenderingCapable: {
-                EPHYR_LOG ("leave\n") ;
-                return ProcXF86DRIQueryDirectRenderingCapable(client);
-        }
-    }
-
-    if (!LocalClient(client))
-        return DRIErrorBase + XF86DRIClientNotLocal;
-
-    switch (stuff->data)
-    {
-        case X_XF86DRIOpenConnection: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIOpenConnection(client);
-        }
-        case X_XF86DRICloseConnection: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRICloseConnection(client);
-        }
-        case X_XF86DRIGetClientDriverName: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIGetClientDriverName(client);
-        }
-        case X_XF86DRICreateContext: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRICreateContext(client);
-        }
-        case X_XF86DRIDestroyContext: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIDestroyContext(client);
-        }
-        case X_XF86DRICreateDrawable: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRICreateDrawable(client);
-        }
-        case X_XF86DRIDestroyDrawable: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIDestroyDrawable(client);
-        }
-        case X_XF86DRIGetDrawableInfo: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIGetDrawableInfo(client);
-        }
-        case X_XF86DRIGetDeviceInfo: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIGetDeviceInfo(client);
-        }
-        case X_XF86DRIAuthConnection: {
-            EPHYR_LOG ("leave\n") ;
-            return ProcXF86DRIAuthConnection(client);
-        }
-            /* {Open,Close}FullScreen are deprecated now */
-        default: {
-            EPHYR_LOG ("leave\n") ;
-            return BadRequest;
-        }
-    }
-}
-
-static int
-SProcXF86DRIQueryVersion (register ClientPtr	client)
-{
-    register int n;
-    REQUEST(xXF86DRIQueryVersionReq);
-    swaps(&stuff->length, n);
-    return ProcXF86DRIQueryVersion(client);
-}
-
-static int
-SProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client)
-{
-    register int n;
-    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
-    swaps(&stuff->length, n);
-    swapl(&stuff->screen, n);
-    return ProcXF86DRIQueryDirectRenderingCapable(client);
-}
-
-static int
-SProcXF86DRIDispatch (register ClientPtr client)
-{
-    REQUEST(xReq);
-
-    EPHYR_LOG ("enter\n") ;
-    /*
-     * Only local clients are allowed DRI access, but remote clients still need
-     * these requests to find out cleanly.
-     */
-    switch (stuff->data)
-    {
-        case X_XF86DRIQueryVersion: {
-            EPHYR_LOG ("leave\n") ;
-            return SProcXF86DRIQueryVersion(client);
-        }
-        case X_XF86DRIQueryDirectRenderingCapable: {
-            EPHYR_LOG ("leave\n") ;
-            return SProcXF86DRIQueryDirectRenderingCapable(client);
-        }
-        default: {
-            EPHYR_LOG ("leave\n") ;
-            return DRIErrorBase + XF86DRIClientNotLocal;
-        }
-    }
-}
+/*

+ * Xephyr - A kdrive X server thats runs in a host X window.

+ *          Authored by Matthew Allum <mallum@openedhand.com>

+ * 

+ * Copyright © 2007 OpenedHand Ltd 

+ *

+ * Permission to use, copy, modify, distribute, and sell this software and its

+ * documentation for any purpose is hereby granted without fee, provided that

+ * the above copyright notice appear in all copies and that both that

+ * copyright notice and this permission notice appear in supporting

+ * documentation, and that the name of OpenedHand Ltd not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission. OpenedHand Ltd makes no

+ * representations about the suitability of this software for any purpose.  It

+ * is provided "as is" without express or implied warranty.

+ *

+ * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR

+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

+ * PERFORMANCE OF THIS SOFTWARE.

+ *

+ * This file is heavily copied from hw/xfree86/dri/xf86dri.c

+ *

+ * Authors:

+ *    Dodji Seketeli <dodji@openedhand.com>

+ */

+

+#ifdef HAVE_CONFIG_H

+#include <kdrive-config.h>

+#endif

+

+#include <string.h>

+

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#define _XF86DRI_SERVER_

+#include <X11/dri/xf86dri.h>

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

+#include "misc.h"

+#include "privates.h"

+#include "dixstruct.h"

+#include "extnsionst.h"

+#include "colormapst.h"

+#include "cursorstr.h"

+#include "scrnintstr.h"

+#include "windowstr.h"

+#include "servermd.h"

+#include "swaprep.h"

+#include "ephyrdri.h"

+#include "ephyrdriext.h"

+#include "hostx.h"

+#define _HAVE_XALLOC_DECLS

+#include "ephyrlog.h"

+#include "protocol-versions.h"

+

+typedef struct {

+    int foo;

+} EphyrDRIWindowPrivRec;

+typedef EphyrDRIWindowPrivRec* EphyrDRIWindowPrivPtr;

+

+typedef struct {

+    CreateWindowProcPtr CreateWindow ;

+    DestroyWindowProcPtr DestroyWindow ;

+    MoveWindowProcPtr MoveWindow ;

+    PositionWindowProcPtr PositionWindow ;

+    ClipNotifyProcPtr ClipNotify ;

+} EphyrDRIScreenPrivRec;

+typedef EphyrDRIScreenPrivRec* EphyrDRIScreenPrivPtr;

+

+static int DRIErrorBase;

+

+static DISPATCH_PROC(ProcXF86DRIQueryVersion);

+static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);

+static DISPATCH_PROC(ProcXF86DRIOpenConnection);

+static DISPATCH_PROC(ProcXF86DRICloseConnection);

+static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);

+static DISPATCH_PROC(ProcXF86DRICreateContext);

+static DISPATCH_PROC(ProcXF86DRIDestroyContext);

+static DISPATCH_PROC(ProcXF86DRICreateDrawable);

+static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);

+static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);

+static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);

+static DISPATCH_PROC(ProcXF86DRIDispatch);

+static DISPATCH_PROC(ProcXF86DRIAuthConnection);

+

+static DISPATCH_PROC(SProcXF86DRIQueryVersion);

+static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable);

+static DISPATCH_PROC(SProcXF86DRIDispatch);

+

+static Bool ephyrDRIScreenInit (ScreenPtr a_screen) ;

+static Bool ephyrDRICreateWindow (WindowPtr a_win) ;

+static Bool ephyrDRIDestroyWindow (WindowPtr a_win) ;

+static void ephyrDRIMoveWindow (WindowPtr a_win,

+                                int a_x, int a_y,

+                                WindowPtr a_siblings,

+                                VTKind a_kind);

+static Bool ephyrDRIPositionWindow (WindowPtr a_win,

+                                    int x, int y) ;

+static void ephyrDRIClipNotify (WindowPtr a_win,

+                                int a_x, int a_y) ;

+

+static Bool EphyrMirrorHostVisuals (ScreenPtr a_screen) ;

+static Bool destroyHostPeerWindow (const WindowPtr a_win) ;

+static Bool findWindowPairFromLocal (WindowPtr a_local,

+                                     EphyrWindowPair **a_pair);

+

+static unsigned char DRIReqCode = 0;

+

+static int ephyrDRIWindowKeyIndex;

+static DevPrivateKey ephyrDRIWindowKey = &ephyrDRIWindowKeyIndex;

+static int ephyrDRIScreenKeyIndex;

+static DevPrivateKey ephyrDRIScreenKey = &ephyrDRIScreenKeyIndex;

+

+#define GET_EPHYR_DRI_WINDOW_PRIV(win) ((EphyrDRIWindowPrivPtr) \

+    dixLookupPrivate(&(win)->devPrivates, ephyrDRIWindowKey))

+#define GET_EPHYR_DRI_SCREEN_PRIV(screen) ((EphyrDRIScreenPrivPtr) \

+    dixLookupPrivate(&(screen)->devPrivates, ephyrDRIScreenKey))

+

+

+Bool

+ephyrDRIExtensionInit (ScreenPtr a_screen)

+{

+    Bool is_ok=FALSE ;

+    ExtensionEntry* extEntry=NULL;

+    EphyrDRIScreenPrivPtr screen_priv=NULL ;

+

+    EPHYR_LOG ("enter\n") ;

+    if (!hostx_has_dri ()) {

+        EPHYR_LOG ("host does not have DRI extension\n") ;

+        goto out ;

+    }

+    EPHYR_LOG ("host X does have DRI extension\n") ;

+    if (!hostx_has_xshape ()) {

+        EPHYR_LOG ("host does not have XShape extension\n") ;

+        goto out ;

+    }

+    EPHYR_LOG ("host X does have XShape extension\n") ;

+

+#ifdef XF86DRI_EVENTS

+    EventType = CreateNewResourceType (XF86DRIFreeEvents, "DRIEvents");

+    if (!EventType) {

+        EPHYR_LOG_ERROR ("failed to register DRI event resource type\n") ;

+        goto out ;

+    }

+#endif

+

+    if ((extEntry = AddExtension(XF86DRINAME,

+				 XF86DRINumberEvents,

+				 XF86DRINumberErrors,

+				 ProcXF86DRIDispatch,

+				 SProcXF86DRIDispatch,

+				 NULL,

+				 StandardMinorOpcode))) {

+	DRIReqCode = (unsigned char)extEntry->base;

+	DRIErrorBase = extEntry->errorBase;

+    } else {

+        EPHYR_LOG_ERROR ("failed to register DRI extension\n") ;

+        goto out ;

+    }

+    screen_priv = calloc(1, sizeof (EphyrDRIScreenPrivRec)) ;

+    if (!screen_priv) {

+        EPHYR_LOG_ERROR ("failed to allocate screen_priv\n") ;

+        goto out ;

+    }

+    dixSetPrivate(&a_screen->devPrivates, ephyrDRIScreenKey, screen_priv);

+

+    if (!ephyrDRIScreenInit (a_screen)) {

+        EPHYR_LOG_ERROR ("ephyrDRIScreenInit() failed\n") ;

+        goto out ;

+    }

+    EphyrMirrorHostVisuals (a_screen) ;

+    is_ok=TRUE ;

+out:

+    EPHYR_LOG ("leave\n") ;

+    return is_ok ;

+}

+

+static Bool

+ephyrDRIScreenInit (ScreenPtr a_screen)

+{

+    Bool is_ok=FALSE ;

+    EphyrDRIScreenPrivPtr screen_priv=NULL ;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_screen, FALSE) ;

+

+    screen_priv=GET_EPHYR_DRI_SCREEN_PRIV (a_screen) ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen_priv, FALSE) ;

+

+    screen_priv->CreateWindow = a_screen->CreateWindow ;

+    screen_priv->DestroyWindow = a_screen->DestroyWindow ;

+    screen_priv->MoveWindow = a_screen->MoveWindow ;

+    screen_priv->PositionWindow = a_screen->PositionWindow ;

+    screen_priv->ClipNotify = a_screen->ClipNotify ;

+

+    a_screen->CreateWindow = ephyrDRICreateWindow ;

+    a_screen->DestroyWindow = ephyrDRIDestroyWindow ;

+    a_screen->MoveWindow = ephyrDRIMoveWindow ;

+    a_screen->PositionWindow = ephyrDRIPositionWindow ;

+    a_screen->ClipNotify = ephyrDRIClipNotify ;

+

+    is_ok = TRUE ;

+

+    return is_ok ;

+}

+

+static Bool

+ephyrDRICreateWindow (WindowPtr a_win)

+{

+    Bool is_ok=FALSE ;

+    ScreenPtr screen=NULL ;

+    EphyrDRIScreenPrivPtr screen_priv =NULL;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;

+    screen = a_win->drawable.pScreen ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;

+    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen_priv

+                              && screen_priv->CreateWindow,

+                              FALSE) ;

+

+    EPHYR_LOG ("enter. win:%p\n", a_win) ;

+

+    screen->CreateWindow = screen_priv->CreateWindow ;

+    is_ok = (*screen->CreateWindow) (a_win) ;

+    screen->CreateWindow = ephyrDRICreateWindow ;

+

+    if (is_ok) {

+	dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL);

+    }

+    return is_ok ;

+}

+

+static Bool

+ephyrDRIDestroyWindow (WindowPtr a_win)

+{

+    Bool is_ok=FALSE ;

+    ScreenPtr screen=NULL ;

+    EphyrDRIScreenPrivPtr screen_priv =NULL;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;

+    screen = a_win->drawable.pScreen ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;

+    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen_priv

+                              && screen_priv->DestroyWindow,

+                              FALSE) ;

+

+    screen->DestroyWindow = screen_priv->DestroyWindow ;

+    if (screen->DestroyWindow) {

+        is_ok = (*screen->DestroyWindow) (a_win) ;

+    }

+    screen->DestroyWindow = ephyrDRIDestroyWindow ;

+

+    if (is_ok) {

+        EphyrDRIWindowPrivPtr win_priv=GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;

+        if (win_priv) {

+            destroyHostPeerWindow (a_win) ;

+            free(win_priv) ;

+	    dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL);

+            EPHYR_LOG ("destroyed the remote peer window\n") ;

+        }

+    }

+    return is_ok ;

+}

+

+static void

+ephyrDRIMoveWindow (WindowPtr a_win,

+                    int a_x, int a_y,

+                    WindowPtr a_siblings,

+                    VTKind a_kind)

+{

+    Bool is_ok=FALSE ;

+    ScreenPtr screen=NULL ;

+    EphyrDRIScreenPrivPtr screen_priv =NULL;

+    EphyrDRIWindowPrivPtr win_priv=NULL ;

+    EphyrWindowPair *pair=NULL ;

+    EphyrBox geo;

+    int x=0,y=0;/*coords relative to parent window*/

+

+    EPHYR_RETURN_IF_FAIL (a_win) ;

+

+    EPHYR_LOG ("enter\n") ;

+    screen = a_win->drawable.pScreen ;

+    EPHYR_RETURN_IF_FAIL (screen) ;

+    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;

+    EPHYR_RETURN_IF_FAIL (screen_priv

+                          && screen_priv->MoveWindow) ;

+

+    screen->MoveWindow = screen_priv->MoveWindow ;

+    if (screen->MoveWindow) {

+        (*screen->MoveWindow) (a_win, a_x, a_y, a_siblings, a_kind) ;

+    }

+    screen->MoveWindow = ephyrDRIMoveWindow ;

+

+    EPHYR_LOG ("window: %p\n", a_win) ;

+    if (!a_win->parent) {

+        EPHYR_LOG ("cannot move root window\n") ;

+        is_ok = TRUE ;

+        goto out ;

+    }

+    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;

+    if (!win_priv) {

+        EPHYR_LOG ("not a DRI peered window\n") ;

+        is_ok = TRUE ;

+        goto out ;

+    }

+    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {

+        EPHYR_LOG_ERROR ("failed to get window pair\n") ;

+        goto out ;

+    }

+    /*compute position relative to parent window*/

+    x = a_win->drawable.x - a_win->parent->drawable.x ;

+    y = a_win->drawable.y - a_win->parent->drawable.y ;

+    /*set the geometry to pass to hostx_set_window_geometry*/

+    memset (&geo, 0, sizeof (geo)) ;

+    geo.x = x ;

+    geo.y = y ;

+    geo.width = a_win->drawable.width ;

+    geo.height = a_win->drawable.height ;

+    hostx_set_window_geometry (pair->remote, &geo) ;

+    is_ok = TRUE ;

+

+out:

+    EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;

+    /*do cleanup here*/

+}

+

+static Bool

+ephyrDRIPositionWindow (WindowPtr a_win,

+                        int a_x, int a_y)

+{

+    Bool is_ok=FALSE ;

+    ScreenPtr screen=NULL ;

+    EphyrDRIScreenPrivPtr screen_priv =NULL;

+    EphyrDRIWindowPrivPtr win_priv=NULL ;

+    EphyrWindowPair *pair=NULL ;

+    EphyrBox geo;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;

+

+    EPHYR_LOG ("enter\n") ;

+    screen = a_win->drawable.pScreen ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;

+    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen_priv

+                              && screen_priv->PositionWindow,

+                              FALSE) ;

+

+    screen->PositionWindow = screen_priv->PositionWindow ;

+    if (screen->PositionWindow) {

+        (*screen->PositionWindow) (a_win, a_x, a_y) ;

+    }

+    screen->PositionWindow = ephyrDRIPositionWindow ;

+

+    EPHYR_LOG ("window: %p\n", a_win) ;

+    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;

+    if (!win_priv) {

+        EPHYR_LOG ("not a DRI peered window\n") ;

+        is_ok = TRUE ;

+        goto out ;

+    }

+    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {

+        EPHYR_LOG_ERROR ("failed to get window pair\n") ;

+        goto out ;

+    }

+    /*set the geometry to pass to hostx_set_window_geometry*/

+    memset (&geo, 0, sizeof (geo)) ;

+    geo.x = a_x ;

+    geo.y = a_y ;

+    geo.width = a_win->drawable.width ;

+    geo.height = a_win->drawable.height ;

+    hostx_set_window_geometry (pair->remote, &geo) ;

+    is_ok = TRUE ;

+

+out:

+    EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;

+    /*do cleanup here*/

+    return is_ok ;

+}

+

+static void

+ephyrDRIClipNotify (WindowPtr a_win,

+                    int a_x, int a_y)

+{

+    Bool is_ok=FALSE ;

+    ScreenPtr screen=NULL ;

+    EphyrDRIScreenPrivPtr screen_priv =NULL;

+    EphyrDRIWindowPrivPtr win_priv=NULL ;

+    EphyrWindowPair *pair=NULL ;

+    EphyrRect *rects=NULL;

+    int i=0 ;

+

+    EPHYR_RETURN_IF_FAIL (a_win) ;

+

+    EPHYR_LOG ("enter\n") ;

+    screen = a_win->drawable.pScreen ;

+    EPHYR_RETURN_IF_FAIL (screen) ;

+    screen_priv = GET_EPHYR_DRI_SCREEN_PRIV (screen) ;

+    EPHYR_RETURN_IF_FAIL (screen_priv && screen_priv->ClipNotify) ;

+

+    screen->ClipNotify = screen_priv->ClipNotify ;

+    if (screen->ClipNotify) {

+        (*screen->ClipNotify) (a_win, a_x, a_y) ;

+    }

+    screen->ClipNotify = ephyrDRIClipNotify ;

+

+    EPHYR_LOG ("window: %p\n", a_win) ;

+    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (a_win) ;

+    if (!win_priv) {

+        EPHYR_LOG ("not a DRI peered window\n") ;

+        is_ok = TRUE ;

+        goto out ;

+    }

+    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {

+        EPHYR_LOG_ERROR ("failed to get window pair\n") ;

+        goto out ;

+    }

+    rects = calloc(REGION_NUM_RECTS (&a_win->clipList),

+                     sizeof (EphyrRect)) ;

+    for (i=0; i < REGION_NUM_RECTS (&a_win->clipList); i++) {

+        memmove (&rects[i],

+                 &REGION_RECTS (&a_win->clipList)[i],

+                 sizeof (EphyrRect)) ;

+        rects[i].x1 -= a_win->drawable.x;

+        rects[i].x2 -= a_win->drawable.x;

+        rects[i].y1 -= a_win->drawable.y;

+        rects[i].y2 -= a_win->drawable.y;

+    }

+    /*

+     * push the clipping region of this window

+     * to the peer window in the host

+     */

+    is_ok = hostx_set_window_bounding_rectangles

+                                (pair->remote,

+                                 rects,

+                                 REGION_NUM_RECTS (&a_win->clipList)) ;

+    is_ok = TRUE ;

+

+out:

+    free(rects) ;

+    rects = NULL ;

+

+    EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;

+    /*do cleanup here*/

+}

+

+/**

+ * Duplicates a visual of a_screen

+ * In screen a_screen, for depth a_depth, find a visual which

+ * bitsPerRGBValue and colormap size equal

+ * a_bits_per_rgb_values and a_colormap_entries.

+ * The ID of that duplicated visual is set to a_new_id.

+ * That duplicated visual is then added to the list of visuals

+ * of the screen.

+ */

+static Bool

+EphyrDuplicateVisual (unsigned int a_screen,

+                      short a_depth,

+                      short a_class,

+                      short a_bits_per_rgb_values,

+                      short a_colormap_entries,

+                      unsigned int a_red_mask,

+                      unsigned int a_green_mask,

+                      unsigned int a_blue_mask,

+                      unsigned int a_new_id)

+{

+    Bool is_ok = FALSE, found_visual=FALSE, found_depth=FALSE ;

+    ScreenPtr screen=NULL ;

+    VisualRec new_visual, *new_visuals=NULL ;

+    int i=0 ;

+

+    EPHYR_LOG ("enter\n") ; 

+    if (a_screen > screenInfo.numScreens) {

+        EPHYR_LOG_ERROR ("bad screen number\n") ;

+        goto out;

+    }

+    memset (&new_visual, 0, sizeof (VisualRec)) ;

+

+    /*get the screen pointed to by a_screen*/

+    screen = screenInfo.screens[a_screen] ;

+    EPHYR_RETURN_VAL_IF_FAIL (screen, FALSE) ;

+

+    /*

+     * In that screen, first look for an existing visual that has the

+     * same characteristics as those passed in parameter

+     * to this function and copy it.

+     */

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

+        if (screen->visuals[i].bitsPerRGBValue == a_bits_per_rgb_values &&

+            screen->visuals[i].ColormapEntries == a_colormap_entries ) {

+            /*copy the visual found*/

+            memcpy (&new_visual, &screen->visuals[i], sizeof (new_visual)) ;

+            new_visual.vid = a_new_id ;

+            new_visual.class = a_class ;

+            new_visual.redMask = a_red_mask ;

+            new_visual.greenMask = a_green_mask ;

+            new_visual.blueMask = a_blue_mask ;

+            found_visual = TRUE ;

+            EPHYR_LOG ("found a visual that matches visual id: %d\n",

+                       a_new_id) ;

+            break;

+        }

+    }

+    if (!found_visual) {

+        EPHYR_LOG ("did not find any visual matching %d\n", a_new_id) ;

+        goto out ;

+    }

+    /*

+     * be prepare to extend screen->visuals to add new_visual to it

+     */

+    new_visuals = calloc(screen->numVisuals+1, sizeof (VisualRec)) ;

+    memmove (new_visuals,

+             screen->visuals,

+             screen->numVisuals*sizeof (VisualRec)) ;

+    memmove (&new_visuals[screen->numVisuals],

+             &new_visual,

+             sizeof (VisualRec)) ;

+    /*

+     * Now, in that same screen, update the screen->allowedDepths member.

+     * In that array, each element represents the visuals applicable to

+     * a given depth. So we need to add an entry matching the new visual

+     * that we are going to add to screen->visuals

+     */

+    for (i=0; i<screen->numDepths; i++) {

+        VisualID *vids=NULL;

+        DepthPtr cur_depth=NULL ;

+        /*find the entry matching a_depth*/

+        if (screen->allowedDepths[i].depth != a_depth)

+            continue ;

+        cur_depth = &screen->allowedDepths[i];

+        /*

+         * extend the list of visual IDs in that entry,

+         * so to add a_new_id in there.

+         */

+        vids = realloc(cur_depth->vids,

+                         (cur_depth->numVids+1)*sizeof (VisualID));

+        if (!vids) {

+            EPHYR_LOG_ERROR ("failed to realloc numids\n") ;

+            goto out ;

+        }

+        vids[cur_depth->numVids] = a_new_id ;

+        /*

+         * Okay now commit our change.

+         * Do really update screen->allowedDepths[i]

+         */

+        cur_depth->numVids++ ;

+        cur_depth->vids = vids ;

+        found_depth=TRUE;

+    }

+    if (!found_depth) {

+        EPHYR_LOG_ERROR ("failed to update screen[%d]->allowedDepth\n",

+                         a_screen) ;

+        goto out ;

+    }

+    /*

+     * Commit our change to screen->visuals

+     */

+    free(screen->visuals) ;

+    screen->visuals = new_visuals ;

+    screen->numVisuals++ ;

+    new_visuals = NULL ;

+

+    is_ok = TRUE ;

+out:

+    free(new_visuals) ;

+    new_visuals = NULL ;

+

+    EPHYR_LOG ("leave\n") ; 

+    return is_ok ;

+}

+

+/**

+ * Duplicates the visuals of the host X server.

+ * This is necessary to have visuals that have the same

+ * ID as those of the host X. It is important to have that for

+ * GLX.

+ */

+static Bool

+EphyrMirrorHostVisuals (ScreenPtr a_screen)

+{

+    Bool is_ok=FALSE;

+    EphyrHostVisualInfo  *visuals=NULL;

+    int nb_visuals=0, i=0;

+

+    EPHYR_LOG ("enter\n") ;

+    if (!hostx_get_visuals_info (&visuals, &nb_visuals)) {

+        EPHYR_LOG_ERROR ("failed to get host visuals\n") ;

+        goto out ;

+    }

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

+        if (!EphyrDuplicateVisual (a_screen->myNum,

+                                   visuals[i].depth,

+                                   visuals[i].class,

+                                   visuals[i].bits_per_rgb,

+                                   visuals[i].colormap_size,

+                                   visuals[i].red_mask,

+                                   visuals[i].green_mask,

+                                   visuals[i].blue_mask,

+                                   visuals[i].visualid)) {

+            EPHYR_LOG_ERROR ("failed to duplicate host visual %d\n",

+                             (int)visuals[i].visualid) ;

+        }

+    }

+

+    is_ok = TRUE ;

+out:

+    EPHYR_LOG ("leave\n") ;

+    return is_ok;

+}

+

+

+static int

+ProcXF86DRIQueryVersion (register ClientPtr client)

+{

+    xXF86DRIQueryVersionReply rep;

+    register int n;

+    REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);

+

+    EPHYR_LOG ("enter\n") ;

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION;

+    rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION;

+    rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION;

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+    	swapl(&rep.length, n);

+	swaps(&rep.majorVersion, n);

+	swaps(&rep.minorVersion, n);

+	swapl(&rep.patchVersion, n);

+    }

+    WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client)

+{

+    xXF86DRIQueryDirectRenderingCapableReply	rep;

+    Bool isCapable;

+    register int n;

+    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);

+    REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if (!ephyrDRIQueryDirectRenderingCapable (stuff->screen, &isCapable)) {

+        return BadValue;

+    }

+    rep.isCapable = isCapable;

+

+    if (!LocalClient(client) || client->swapped)

+	rep.isCapable = 0;

+

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+    	swapl(&rep.length, n);

+    }

+

+    WriteToClient(client, sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);

+    EPHYR_LOG ("leave\n") ;

+

+    return Success;

+}

+

+static int

+ProcXF86DRIOpenConnection (register ClientPtr client)

+{

+    xXF86DRIOpenConnectionReply rep;

+    drm_handle_t			hSAREA;

+    char*			busIdString;

+    REQUEST(xXF86DRIOpenConnectionReq);

+    REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    if (!ephyrDRIOpenConnection(stuff->screen,

+                                &hSAREA,

+                                &busIdString)) {

+        return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.busIdStringLength = 0;

+    if (busIdString)

+	rep.busIdStringLength = strlen(busIdString);

+    rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +

+                  pad_to_int32(rep.busIdStringLength));

+

+    rep.hSAREALow  = (CARD32)(hSAREA & 0xffffffff);

+#if defined(LONG64) && !defined(__linux__)

+    rep.hSAREAHigh = (CARD32)(hSAREA >> 32);

+#else

+    rep.hSAREAHigh = 0;

+#endif

+

+    WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);

+    if (rep.busIdStringLength)

+        WriteToClient(client, rep.busIdStringLength, busIdString);

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIAuthConnection  (register ClientPtr client)

+{

+    xXF86DRIAuthConnectionReply rep;

+    REQUEST(xXF86DRIAuthConnectionReq);

+    REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.authenticated = 1;

+

+    if (!ephyrDRIAuthConnection (stuff->screen, stuff->magic)) {

+        ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic);

+        rep.authenticated = 0;

+    }

+    WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRICloseConnection (register ClientPtr client)

+{

+    REQUEST(xXF86DRICloseConnectionReq);

+    REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+        client->errorValue = stuff->screen;

+        return BadValue;

+    }

+

+    /*

+    DRICloseConnection( screenInfo.screens[stuff->screen]);

+    */

+

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIGetClientDriverName (register ClientPtr client)

+{

+    xXF86DRIGetClientDriverNameReply	rep;

+    char* clientDriverName;

+    REQUEST(xXF86DRIGetClientDriverNameReq);

+    REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    ephyrDRIGetClientDriverName (stuff->screen,

+                                 (int *)&rep.ddxDriverMajorVersion,

+                                 (int *)&rep.ddxDriverMinorVersion,

+                                 (int *)&rep.ddxDriverPatchVersion,

+                                 &clientDriverName);

+

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.clientDriverNameLength = 0;

+    if (clientDriverName)

+	rep.clientDriverNameLength = strlen(clientDriverName);

+    rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) -

+			SIZEOF(xGenericReply) +

+			pad_to_int32(rep.clientDriverNameLength));

+

+    WriteToClient(client, 

+	sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);

+    if (rep.clientDriverNameLength)

+	WriteToClient(client, 

+                      rep.clientDriverNameLength, 

+                      clientDriverName);

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRICreateContext (register ClientPtr client)

+{

+    xXF86DRICreateContextReply	rep;

+    ScreenPtr pScreen;

+    VisualPtr visual;

+    int i=0;

+    unsigned long context_id=0;

+    REQUEST(xXF86DRICreateContextReq);

+    REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    pScreen = screenInfo.screens[stuff->screen];

+    visual = pScreen->visuals;

+

+    /* Find the requested X visual */

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

+	if (visual->vid == stuff->visual)

+	    break;

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

+	/* No visual found */

+	return BadValue;

+    }

+

+    context_id = stuff->context ;

+    if (!ephyrDRICreateContext (stuff->screen,

+                                stuff->visual,

+                                &context_id,

+                                (drm_context_t *)&rep.hHWContext)) {

+        return BadValue;

+    }

+

+    WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIDestroyContext (register ClientPtr client)

+{

+    REQUEST(xXF86DRIDestroyContextReq);

+    REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);

+    EPHYR_LOG ("enter\n") ;

+

+    if (stuff->screen >= screenInfo.numScreens) {

+        client->errorValue = stuff->screen;

+        return BadValue;

+    }

+

+   if (!ephyrDRIDestroyContext (stuff->screen, stuff->context)) {

+       return BadValue;

+   }

+

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static Bool

+getWindowVisual (const WindowPtr a_win,

+                 VisualPtr *a_visual)

+{

+    int i=0, visual_id=0 ;

+    EPHYR_RETURN_VAL_IF_FAIL (a_win

+                              && a_win->drawable.pScreen

+                              && a_win->drawable.pScreen->visuals,

+                              FALSE) ;

+

+    visual_id = wVisual (a_win) ;

+    for (i=0; i < a_win->drawable.pScreen->numVisuals; i++) {

+        if (a_win->drawable.pScreen->visuals[i].vid == visual_id) {

+            *a_visual = &a_win->drawable.pScreen->visuals[i] ;

+            return TRUE ;

+        }

+    }

+    return FALSE ;

+}

+

+

+#define NUM_WINDOW_PAIRS 256

+static EphyrWindowPair window_pairs[NUM_WINDOW_PAIRS] ;

+

+static Bool

+appendWindowPairToList (WindowPtr a_local,

+                        int a_remote)

+{

+    int i=0 ;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_local, FALSE) ;

+

+    EPHYR_LOG ("(local,remote):(%p, %d)\n", a_local, a_remote) ;

+

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

+        if (window_pairs[i].local == NULL) {

+            window_pairs[i].local = a_local ;

+            window_pairs[i].remote = a_remote ;

+            return TRUE ;

+        }

+    }

+    return FALSE ;

+}

+

+static Bool

+findWindowPairFromLocal (WindowPtr a_local,

+                         EphyrWindowPair **a_pair)

+{

+    int i=0 ;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_pair && a_local, FALSE) ;

+

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

+        if (window_pairs[i].local == a_local) {

+            *a_pair = &window_pairs[i] ;

+            EPHYR_LOG ("found (%p, %d)\n",

+                       (*a_pair)->local,

+                       (*a_pair)->remote) ;

+            return TRUE ;

+        }

+    }

+    return FALSE ;

+}

+

+Bool

+findWindowPairFromRemote (int a_remote,

+                          EphyrWindowPair **a_pair)

+{

+    int i=0 ;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_pair, FALSE) ;

+

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

+        if (window_pairs[i].remote == a_remote) {

+            *a_pair = &window_pairs[i] ;

+            EPHYR_LOG ("found (%p, %d)\n",

+                       (*a_pair)->local,

+                       (*a_pair)->remote) ;

+            return TRUE ;

+        }

+    }

+    return FALSE ;

+}

+

+static Bool

+createHostPeerWindow (const WindowPtr a_win,

+                      int *a_peer_win)

+{

+    Bool is_ok=FALSE ;

+    VisualPtr visual=NULL;

+    EphyrBox geo ;

+

+    EPHYR_RETURN_VAL_IF_FAIL (a_win && a_peer_win, FALSE) ;

+    EPHYR_RETURN_VAL_IF_FAIL (a_win->drawable.pScreen,

+                              FALSE) ;

+

+    EPHYR_LOG ("enter. a_win '%p'\n", a_win) ;

+    if (!getWindowVisual (a_win, &visual)) {

+        EPHYR_LOG_ERROR ("failed to get window visual\n") ;

+        goto out ;

+    }

+    if (!visual) {

+        EPHYR_LOG_ERROR ("failed to create visual\n") ;

+        goto out ;

+    }

+    memset (&geo, 0, sizeof (geo)) ;

+    geo.x = a_win->drawable.x ;

+    geo.y = a_win->drawable.y ;

+    geo.width = a_win->drawable.width ;

+    geo.height = a_win->drawable.height ;

+    if (!hostx_create_window (a_win->drawable.pScreen->myNum,

+                              &geo, visual->vid, a_peer_win)) {

+        EPHYR_LOG_ERROR ("failed to create host peer window\n") ;

+        goto out ;

+    }

+    if (!appendWindowPairToList (a_win, *a_peer_win)) {

+        EPHYR_LOG_ERROR ("failed to append window to pair list\n") ;

+        goto out ;

+    }

+    is_ok = TRUE ;

+out:

+    EPHYR_LOG ("leave:remote win%d\n", *a_peer_win) ;

+    return is_ok ;

+}

+

+static Bool

+destroyHostPeerWindow (const WindowPtr a_win)

+{

+    Bool is_ok = FALSE ;

+    EphyrWindowPair *pair=NULL ;

+    EPHYR_RETURN_VAL_IF_FAIL (a_win, FALSE) ;

+

+    EPHYR_LOG ("enter\n") ;

+

+    if (!findWindowPairFromLocal (a_win, &pair) || !pair) {

+        EPHYR_LOG_ERROR ("failed to find peer to local window\n") ;

+        goto out;

+    }

+    hostx_destroy_window (pair->remote) ;

+    is_ok = TRUE ;

+

+out:

+    EPHYR_LOG ("leave\n") ;

+    return is_ok;

+}

+

+static int

+ProcXF86DRICreateDrawable (ClientPtr client)

+{

+    xXF86DRICreateDrawableReply	rep;

+    DrawablePtr drawable=NULL;

+    WindowPtr window=NULL ;

+    EphyrWindowPair *pair=NULL ;

+    EphyrDRIWindowPrivPtr win_priv=NULL;

+    int rc=0, remote_win=0;

+    REQUEST(xXF86DRICreateDrawableReq);

+    REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+        client->errorValue = stuff->screen;

+        return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    rc = dixLookupDrawable (&drawable, stuff->drawable, client, 0,

+                            DixReadAccess);

+    if (rc != Success)

+        return rc;

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

+        EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ;

+        return BadImplementation ;

+    }

+    EPHYR_LOG ("lookedup drawable %p\n", drawable) ;

+    window = (WindowPtr)drawable;

+    if (findWindowPairFromLocal (window, &pair) && pair) {

+        remote_win = pair->remote ;

+        EPHYR_LOG ("found window '%p' paire with remote '%d'\n",

+                   window, remote_win) ;

+    } else if (!createHostPeerWindow (window, &remote_win)) {

+        EPHYR_LOG_ERROR ("failed to create host peer window\n") ;

+        return BadAlloc ;

+    }

+

+    if (!ephyrDRICreateDrawable (stuff->screen,

+                                 remote_win,

+                                 (drm_drawable_t *)&rep.hHWDrawable)) {

+        EPHYR_LOG_ERROR ("failed to create dri drawable\n") ;

+        return BadValue;

+    }

+

+    win_priv = GET_EPHYR_DRI_WINDOW_PRIV (window) ;

+    if (!win_priv) {

+        win_priv = calloc(1, sizeof (EphyrDRIWindowPrivRec)) ;

+        if (!win_priv) {

+            EPHYR_LOG_ERROR ("failed to allocate window private\n") ;

+            return BadAlloc ;

+        }

+	dixSetPrivate(&window->devPrivates, ephyrDRIWindowKey, win_priv);

+        EPHYR_LOG ("paired window '%p' with remote '%d'\n",

+                   window, remote_win) ;

+    }

+

+    WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIDestroyDrawable (register ClientPtr client)

+{

+    DrawablePtr drawable=NULL;

+    WindowPtr window=NULL;

+    EphyrWindowPair *pair=NULL;

+    int rc=0;

+    REQUEST(xXF86DRIDestroyDrawableReq);

+    REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+        client->errorValue = stuff->screen;

+        return BadValue;

+    }

+

+    rc = dixLookupDrawable(&drawable,

+                           stuff->drawable,

+                           client,

+                           0,

+                           DixReadAccess);

+    if (rc != Success)

+        return rc;

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

+        EPHYR_LOG_ERROR ("non drawable windows are not yet supported\n") ;

+        return BadImplementation ;

+    }

+    window = (WindowPtr)drawable;

+    if (!findWindowPairFromLocal (window, &pair) && pair) {

+        EPHYR_LOG_ERROR ("failed to find pair window\n") ;

+        return BadImplementation;

+    }

+    if (!ephyrDRIDestroyDrawable(stuff->screen,

+                                 pair->remote/*drawable in host x*/)) {

+        EPHYR_LOG_ERROR ("failed to destroy dri drawable\n") ;

+        return BadImplementation;

+    }

+    pair->local=NULL ;

+    pair->remote=0;

+

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIGetDrawableInfo (register ClientPtr client)

+{

+    xXF86DRIGetDrawableInfoReply rep;

+    DrawablePtr drawable;

+    WindowPtr window=NULL;

+    EphyrWindowPair *pair=NULL;

+    int X=0, Y=0, W=0, H=0, backX=0, backY=0, rc=0, i=0;

+    drm_clip_rect_t *clipRects=NULL;

+    drm_clip_rect_t *backClipRects=NULL;

+    REQUEST(xXF86DRIGetDrawableInfoReq);

+    REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);

+

+    EPHYR_LOG ("enter\n") ;

+    memset (&rep, 0, sizeof (rep)) ;

+    if (stuff->screen >= screenInfo.numScreens) {

+        client->errorValue = stuff->screen;

+        return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0,

+                           DixReadAccess);

+    if (rc != Success || !drawable) {

+        EPHYR_LOG_ERROR ("could not get drawable\n") ;

+        return rc;

+    }

+

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

+        EPHYR_LOG_ERROR ("non windows type drawables are not yes supported\n") ;

+        return BadImplementation ;

+    }

+    window = (WindowPtr)drawable ;

+    memset (&pair, 0, sizeof (pair)) ;

+    if (!findWindowPairFromLocal (window, &pair) || !pair) {

+        EPHYR_LOG_ERROR ("failed to find remote peer drawable\n") ;

+        return BadMatch ;

+    }

+    EPHYR_LOG ("clip list of xephyr gl drawable:\n") ;

+    for (i=0; i < REGION_NUM_RECTS (&window->clipList); i++) {

+        EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n",

+                   REGION_RECTS (&window->clipList)[i].x1,

+                   REGION_RECTS (&window->clipList)[i].y1,

+                   REGION_RECTS (&window->clipList)[i].x2,

+                   REGION_RECTS (&window->clipList)[i].y2) ;

+    }

+

+    if (!ephyrDRIGetDrawableInfo (stuff->screen,

+                                  pair->remote/*the drawable in hostx*/,

+                                  (unsigned int*)&rep.drawableTableIndex,

+                                  (unsigned int*)&rep.drawableTableStamp,

+                                  (int*)&X,

+                                  (int*)&Y,

+                                  (int*)&W,

+                                  (int*)&H,

+                                  (int*)&rep.numClipRects,

+                                  &clipRects,

+                                  &backX,

+                                  &backY,

+                                  (int*)&rep.numBackClipRects,

+                                  &backClipRects)) {

+        return BadValue;

+    }

+    EPHYR_LOG ("num clip rects:%d, num back clip rects:%d\n",

+               (int)rep.numClipRects, (int)rep.numBackClipRects) ;

+

+    rep.drawableX = X;

+    rep.drawableY = Y;

+    rep.drawableWidth = W;

+    rep.drawableHeight = H;

+    rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -

+                  SIZEOF(xGenericReply));

+

+    rep.backX = backX;

+    rep.backY = backY;

+

+

+    if (rep.numClipRects) {

+        if (clipRects) {

+            ScreenPtr pScreen = screenInfo.screens[stuff->screen];

+            int i=0;

+            EPHYR_LOG ("clip list of host gl drawable:\n") ;

+            for (i = 0; i < rep.numClipRects; i++) {

+                clipRects[i].x1 = max (clipRects[i].x1, 0);

+                clipRects[i].y1 = max (clipRects[i].y1, 0);

+                clipRects[i].x2 = min (clipRects[i].x2,

+                                       pScreen->width + clipRects[i].x1) ;

+                clipRects[i].y2 = min (clipRects[i].y2,

+                                       pScreen->width + clipRects[i].y1) ;

+

+                EPHYR_LOG ("x1:%d, y1:%d, x2:%d, y2:%d\n",

+                           clipRects[i].x1, clipRects[i].y1,

+                           clipRects[i].x2, clipRects[i].y2) ;

+            }

+        } else {

+            rep.numClipRects = 0;

+        }

+    } else {

+        EPHYR_LOG ("got zero host gl drawable clipping rects\n") ;

+    }

+    rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;

+    backClipRects = clipRects ;

+    rep.numBackClipRects = rep.numClipRects ;

+    if (rep.numBackClipRects)

+        rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;

+    EPHYR_LOG ("num host clip rects:%d\n", (int)rep.numClipRects) ;

+    EPHYR_LOG ("num host back clip rects:%d\n", (int)rep.numBackClipRects) ;

+

+    rep.length = bytes_to_int32(rep.length);

+

+    WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);

+

+    if (rep.numClipRects) {

+        WriteToClient(client,

+                      sizeof(drm_clip_rect_t) * rep.numClipRects,

+                      (char *)clipRects);

+    }

+

+    if (rep.numBackClipRects) {

+        WriteToClient(client,

+                      sizeof(drm_clip_rect_t) * rep.numBackClipRects,

+                      (char *)backClipRects);

+    }

+    free(clipRects);

+    clipRects = NULL ;

+

+    EPHYR_LOG ("leave\n") ;

+

+    return Success;

+}

+

+static int

+ProcXF86DRIGetDeviceInfo (register ClientPtr client)

+{

+    xXF86DRIGetDeviceInfoReply	rep;

+    drm_handle_t hFrameBuffer;

+    void *pDevPrivate;

+    REQUEST(xXF86DRIGetDeviceInfoReq);

+    REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);

+

+    EPHYR_LOG ("enter\n") ;

+    if (stuff->screen >= screenInfo.numScreens) {

+        client->errorValue = stuff->screen;

+        return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if (!ephyrDRIGetDeviceInfo (stuff->screen,

+                &hFrameBuffer,

+                (int*)&rep.framebufferOrigin,

+                (int*)&rep.framebufferSize,

+                (int*)&rep.framebufferStride,

+                (int*)&rep.devPrivateSize,

+                &pDevPrivate)) {

+        return BadValue;

+    }

+

+    rep.hFrameBufferLow  = (CARD32)(hFrameBuffer & 0xffffffff);

+#if defined(LONG64) && !defined(__linux__)

+    rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32);

+#else

+    rep.hFrameBufferHigh = 0;

+#endif

+

+    rep.length = 0;

+    if (rep.devPrivateSize) {

+        rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) -

+                SIZEOF(xGenericReply) +

+                pad_to_int32(rep.devPrivateSize));

+    }

+

+    WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);

+    if (rep.length) {

+        WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);

+    }

+    EPHYR_LOG ("leave\n") ;

+    return Success;

+}

+

+static int

+ProcXF86DRIDispatch (register ClientPtr	client)

+{

+    REQUEST(xReq);

+    EPHYR_LOG ("enter\n") ;

+

+    switch (stuff->data)

+    {

+        case X_XF86DRIQueryVersion: {

+                EPHYR_LOG ("leave\n") ;

+                return ProcXF86DRIQueryVersion(client);

+        }

+        case X_XF86DRIQueryDirectRenderingCapable: {

+                EPHYR_LOG ("leave\n") ;

+                return ProcXF86DRIQueryDirectRenderingCapable(client);

+        }

+    }

+

+    if (!LocalClient(client))

+        return DRIErrorBase + XF86DRIClientNotLocal;

+

+    switch (stuff->data)

+    {

+        case X_XF86DRIOpenConnection: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIOpenConnection(client);

+        }

+        case X_XF86DRICloseConnection: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRICloseConnection(client);

+        }

+        case X_XF86DRIGetClientDriverName: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIGetClientDriverName(client);

+        }

+        case X_XF86DRICreateContext: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRICreateContext(client);

+        }

+        case X_XF86DRIDestroyContext: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIDestroyContext(client);

+        }

+        case X_XF86DRICreateDrawable: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRICreateDrawable(client);

+        }

+        case X_XF86DRIDestroyDrawable: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIDestroyDrawable(client);

+        }

+        case X_XF86DRIGetDrawableInfo: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIGetDrawableInfo(client);

+        }

+        case X_XF86DRIGetDeviceInfo: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIGetDeviceInfo(client);

+        }

+        case X_XF86DRIAuthConnection: {

+            EPHYR_LOG ("leave\n") ;

+            return ProcXF86DRIAuthConnection(client);

+        }

+            /* {Open,Close}FullScreen are deprecated now */

+        default: {

+            EPHYR_LOG ("leave\n") ;

+            return BadRequest;

+        }

+    }

+}

+

+static int

+SProcXF86DRIQueryVersion (register ClientPtr	client)

+{

+    register int n;

+    REQUEST(xXF86DRIQueryVersionReq);

+    swaps(&stuff->length, n);

+    return ProcXF86DRIQueryVersion(client);

+}

+

+static int

+SProcXF86DRIQueryDirectRenderingCapable (register ClientPtr client)

+{

+    register int n;

+    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);

+    swaps(&stuff->length, n);

+    swapl(&stuff->screen, n);

+    return ProcXF86DRIQueryDirectRenderingCapable(client);

+}

+

+static int

+SProcXF86DRIDispatch (register ClientPtr client)

+{

+    REQUEST(xReq);

+

+    EPHYR_LOG ("enter\n") ;

+    /*

+     * Only local clients are allowed DRI access, but remote clients still need

+     * these requests to find out cleanly.

+     */

+    switch (stuff->data)

+    {

+        case X_XF86DRIQueryVersion: {

+            EPHYR_LOG ("leave\n") ;

+            return SProcXF86DRIQueryVersion(client);

+        }

+        case X_XF86DRIQueryDirectRenderingCapable: {

+            EPHYR_LOG ("leave\n") ;

+            return SProcXF86DRIQueryDirectRenderingCapable(client);

+        }

+        default: {

+            EPHYR_LOG ("leave\n") ;

+            return DRIErrorBase + XF86DRIClientNotLocal;

+        }

+    }

+}