Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 1278 insertions, 0 deletions

diff --git a/xorg-server/hw/kdrive/ephyr/ephyrvideo.c b/xorg-server/hw/kdrive/ephyr/ephyrvideo.c
new file mode 100644
index 000000000..bfe4d7223
--- /dev/null
+++ b/xorg-server/hw/kdrive/ephyr/ephyrvideo.c
@@ -0,0 +1,1278 @@
+/*
+ * 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.
+ *
+ * Authors:
+ *    Dodji Seketeli <dodji@openedhand.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <kdrive-config.h>
+#endif
+#include <string.h>
+#include <X11/extensions/Xv.h>
+#include "ephyrlog.h"
+#include "kdrive.h"
+#include "kxv.h"
+#include "ephyr.h"
+#include "hostx.h"
+#include "ephyrhostvideo.h"
+
+struct _EphyrXVPriv {
+    EphyrHostXVAdaptorArray *host_adaptors ;
+    KdVideoAdaptorPtr adaptors ;
+    int num_adaptors ;
+};
+typedef struct _EphyrXVPriv EphyrXVPriv ;
+
+struct _EphyrPortPriv {
+    int port_number ;
+    KdVideoAdaptorPtr current_adaptor ;
+    EphyrXVPriv *xv_priv;
+    unsigned char *image_buf ;
+    int image_buf_size ;
+    int image_id ;
+    int drw_x, drw_y, drw_w, drw_h ;
+    int src_x, src_y, src_w, src_h ;
+    int image_width, image_height ;
+};
+typedef struct _EphyrPortPriv EphyrPortPriv ;
+
+static Bool DoSimpleClip (BoxPtr a_dst_drw,
+                          BoxPtr a_clipper,
+                          BoxPtr a_result) ;
+
+static Bool ephyrLocalAtomToHost (int a_local_atom, int *a_host_atom) ;
+
+/*
+static Bool ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom) ;
+*/
+
+static EphyrXVPriv* ephyrXVPrivNew (void) ;
+static void ephyrXVPrivDelete (EphyrXVPriv *a_this) ;
+static Bool ephyrXVPrivQueryHostAdaptors (EphyrXVPriv *a_this) ;
+static Bool ephyrXVPrivSetAdaptorsHooks (EphyrXVPriv *a_this) ;
+static Bool ephyrXVPrivRegisterAdaptors (EphyrXVPriv *a_this,
+                                         ScreenPtr a_screen) ;
+
+static Bool ephyrXVPrivIsAttrValueValid (KdAttributePtr a_attrs,
+                                         int a_attrs_len,
+                                         const char *a_attr_name,
+                                         int a_attr_value,
+                                         Bool *a_is_valid) ;
+
+static Bool ephyrXVPrivGetImageBufSize (int a_port_id,
+                                        int a_image_id,
+                                        unsigned short a_width,
+                                        unsigned short a_height,
+                                        int *a_size) ;
+
+static Bool ephyrXVPrivSaveImageToPortPriv (EphyrPortPriv *a_port_priv,
+                                            const unsigned char *a_image,
+                                            int a_image_len) ;
+
+static void ephyrStopVideo (KdScreenInfo *a_info,
+                            pointer a_xv_priv,
+                            Bool a_exit);
+
+static int ephyrSetPortAttribute (KdScreenInfo *a_info,
+                                  Atom a_attr_name,
+                                  int a_attr_value,
+                                  pointer a_port_priv);
+
+static int ephyrGetPortAttribute (KdScreenInfo *a_screen_info,
+                                  Atom a_attr_name,
+                                  int *a_attr_value,
+                                  pointer a_port_priv);
+
+static void ephyrQueryBestSize (KdScreenInfo *a_info,
+                                Bool a_motion,
+                                short a_src_w,
+                                short a_src_h,
+                                short a_drw_w,
+                                short a_drw_h,
+                                unsigned int *a_prefered_w,
+                                unsigned int *a_prefered_h,
+                                pointer a_port_priv);
+
+static int ephyrPutImage (KdScreenInfo *a_info,
+                          DrawablePtr a_drawable,
+                          short a_src_x,
+                          short a_src_y,
+                          short a_drw_x,
+                          short a_drw_y,
+                          short a_src_w,
+                          short a_src_h,
+                          short a_drw_w,
+                          short a_drw_h,
+                          int a_id,
+                          unsigned char *a_buf,
+                          short a_width,
+                          short a_height,
+                          Bool a_sync,
+                          RegionPtr a_clipping_region,
+                          pointer a_port_priv);
+
+static int ephyrReputImage (KdScreenInfo *a_info,
+                            DrawablePtr a_drawable,
+                            short a_drw_x,
+                            short a_drw_y,
+                            RegionPtr a_clipping_region,
+                            pointer a_port_priv) ;
+
+static int ephyrPutVideo (KdScreenInfo *a_info,
+                          DrawablePtr a_drawable,
+                          short a_vid_x, short a_vid_y,
+                          short a_drw_x, short a_drw_y,
+                          short a_vid_w, short a_vid_h,
+                          short a_drw_w, short a_drw_h,
+                          RegionPtr a_clip_region,
+                          pointer a_port_priv) ;
+
+static int ephyrGetVideo (KdScreenInfo *a_info,
+                          DrawablePtr a_drawable,
+                          short a_vid_x, short a_vid_y,
+                          short a_drw_x, short a_drw_y,
+                          short a_vid_w, short a_vid_h,
+                          short a_drw_w, short a_drw_h,
+                          RegionPtr a_clip_region,
+                          pointer a_port_priv) ;
+
+static int ephyrPutStill (KdScreenInfo *a_info,
+                          DrawablePtr a_drawable,
+                          short a_vid_x, short a_vid_y,
+                          short a_drw_x, short a_drw_y,
+                          short a_vid_w, short a_vid_h,
+                          short a_drw_w, short a_drw_h,
+                          RegionPtr a_clip_region,
+                          pointer a_port_priv) ;
+
+static int ephyrGetStill (KdScreenInfo *a_info,
+                          DrawablePtr a_drawable,
+                          short a_vid_x, short a_vid_y,
+                          short a_drw_x, short a_drw_y,
+                          short a_vid_w, short a_vid_h,
+                          short a_drw_w, short a_drw_h,
+                          RegionPtr a_clip_region,
+                          pointer a_port_priv) ;
+
+static int ephyrQueryImageAttributes (KdScreenInfo *a_info,
+                                      int a_id,
+                                      unsigned short *a_w,
+                                      unsigned short *a_h,
+                                      int *a_pitches,
+                                      int *a_offsets);
+static int s_base_port_id ;
+
+/**************
+ * <helpers>
+ * ************/
+
+static Bool
+DoSimpleClip (BoxPtr a_dst_box,
+              BoxPtr a_clipper,
+              BoxPtr a_result)
+{
+    BoxRec dstClippedBox ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_dst_box && a_clipper && a_result, FALSE) ;
+
+    /*
+     * setup the clipbox inside the destination.
+     */
+    dstClippedBox.x1 = a_dst_box->x1 ;
+    dstClippedBox.x2 = a_dst_box->x2 ;
+    dstClippedBox.y1 = a_dst_box->y1 ;
+    dstClippedBox.y2 = a_dst_box->y2 ;
+
+    /*
+     * if the cliper leftmost edge is inside
+     * the destination area then the leftmost edge of the resulting
+     * clipped box is the leftmost edge of the cliper.
+     */
+    if (a_clipper->x1 > dstClippedBox.x1)
+        dstClippedBox.x1 = a_clipper->x1 ;
+
+    /*
+     * if the cliper top edge is inside the destination area
+     * then the bottom horizontal edge of the resulting clipped box
+     * is the bottom edge of the cliper
+     */
+    if (a_clipper->y1 > dstClippedBox.y1)
+        dstClippedBox.y1 = a_clipper->y1 ;
+
+    /*ditto for right edge*/
+    if (a_clipper->x2 < dstClippedBox.x2)
+        dstClippedBox.x2 = a_clipper->x2 ;
+
+    /*ditto for bottom edge*/
+    if (a_clipper->y2 < dstClippedBox.y2)
+        dstClippedBox.y2 = a_clipper->y2 ;
+
+    memcpy (a_result, &dstClippedBox, sizeof (dstClippedBox)) ;
+    return TRUE ;
+}
+
+static Bool
+ephyrLocalAtomToHost (int a_local_atom, int *a_host_atom)
+{
+    char *atom_name=NULL;
+    int host_atom=None ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_host_atom, FALSE) ;
+
+    if (!ValidAtom (a_local_atom))
+        return FALSE ;
+
+    atom_name = NameForAtom (a_local_atom) ;
+
+    if (!atom_name)
+        return FALSE ;
+
+    if (!ephyrHostGetAtom (atom_name, FALSE, &host_atom) || host_atom == None) {
+        EPHYR_LOG_ERROR ("no atom for string %s defined in host X\n",
+                         atom_name) ;
+        return FALSE ;
+    }
+    *a_host_atom = host_atom ;
+    return TRUE ;
+}
+
+/*
+ Not used yed.
+static Bool
+ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom)
+{
+    Bool is_ok=FALSE ;
+    char *atom_name=NULL ;
+    int atom=None ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_local_atom, FALSE) ;
+
+    atom_name = ephyrHostGetAtomName (a_host_atom) ;
+    if (!atom_name)
+        goto out ;
+
+    atom = MakeAtom (atom_name, strlen (atom_name), TRUE) ;
+    if (atom == None)
+        goto out ;
+
+    *a_local_atom = atom ;
+    is_ok = TRUE ;
+
+out:
+    if (atom_name) {
+        ephyrHostFree (atom_name) ;
+    }
+    return is_ok ;
+}
+*/
+
+/**************
+ *</helpers>
+ * ************/
+
+Bool
+ephyrInitVideo (ScreenPtr pScreen)
+{
+    Bool is_ok = FALSE ;
+    KdScreenPriv(pScreen);
+    KdScreenInfo *screen = pScreenPriv->screen;
+    static EphyrXVPriv *xv_priv;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (screen->fb[0].bitsPerPixel == 8) {
+        EPHYR_LOG_ERROR ("8 bits depth not supported\n") ;
+        return FALSE ;
+    }
+
+    if (!xv_priv) {
+        xv_priv = ephyrXVPrivNew () ;
+    }
+    if (!xv_priv) {
+        EPHYR_LOG_ERROR ("failed to create xv_priv\n") ;
+        goto out ;
+    }
+
+    if (!ephyrXVPrivRegisterAdaptors (xv_priv, pScreen)) {
+        EPHYR_LOG_ERROR ("failed to register adaptors\n") ;
+        goto out ;
+    }
+    is_ok = TRUE ;
+
+out:
+    return is_ok ;
+}
+
+static EphyrXVPriv*
+ephyrXVPrivNew (void)
+{
+    EphyrXVPriv *xv_priv=NULL ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    xv_priv = xcalloc (1, sizeof (EphyrXVPriv)) ;
+    if (!xv_priv) {
+        EPHYR_LOG_ERROR ("failed to create EphyrXVPriv\n") ;
+        goto error ;
+    }
+
+    ephyrHostXVInit () ;
+
+    if (!ephyrXVPrivQueryHostAdaptors (xv_priv)) {
+        EPHYR_LOG_ERROR ("failed to query the host x for xv properties\n") ;
+        goto error ;
+    }
+    if (!ephyrXVPrivSetAdaptorsHooks (xv_priv)) {
+        EPHYR_LOG_ERROR ("failed to set xv_priv hooks\n") ;
+        goto error ;
+    }
+
+    EPHYR_LOG ("leave\n") ;
+    return xv_priv ;
+
+error:
+    if (xv_priv) {
+        ephyrXVPrivDelete (xv_priv) ;
+        xv_priv = NULL ;
+    }
+    return NULL ;
+}
+
+static void
+ephyrXVPrivDelete (EphyrXVPriv *a_this)
+{
+    EPHYR_LOG ("enter\n") ;
+
+    if (!a_this)
+        return ;
+    if (a_this->host_adaptors) {
+        ephyrHostXVAdaptorArrayDelete (a_this->host_adaptors) ;
+        a_this->host_adaptors = NULL ;
+    }
+    if (a_this->adaptors) {
+        xfree (a_this->adaptors) ;
+        a_this->adaptors = NULL ;
+    }
+    xfree (a_this) ;
+    EPHYR_LOG ("leave\n") ;
+}
+
+static KdVideoEncodingPtr
+videoEncodingDup (EphyrHostEncoding *a_encodings,
+                   int a_num_encodings)
+{
+    KdVideoEncodingPtr result = NULL ;
+    int i=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, NULL) ;
+
+    result = xcalloc (a_num_encodings, sizeof (KdVideoEncodingRec)) ;
+    for (i=0 ; i < a_num_encodings; i++) {
+        result[i].id = a_encodings[i].id ;
+        result[i].name = strdup (a_encodings[i].name) ;
+        result[i].width = a_encodings[i].width ;
+        result[i].height = a_encodings[i].height ;
+        result[i].rate.numerator = a_encodings[i].rate.numerator ;
+        result[i].rate.denominator = a_encodings[i].rate.denominator ;
+    }
+    return result ;
+}
+
+static KdAttributePtr
+portAttributesDup (EphyrHostAttribute *a_encodings,
+                   int a_num_encodings)
+{
+    int i=0 ;
+    KdAttributePtr result=NULL ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, NULL) ;
+
+    result = xcalloc (a_num_encodings, sizeof (KdAttributeRec)) ;
+    if (!result) {
+        EPHYR_LOG_ERROR ("failed to allocate attributes\n") ;
+        return NULL ;
+    }
+    for (i=0; i < a_num_encodings; i++) {
+        result[i].flags = a_encodings[i].flags ;
+        result[i].min_value = a_encodings[i].min_value ;
+        result[i].max_value = a_encodings[i].max_value ;
+        result[i].name = strdup (a_encodings[i].name) ;
+    }
+    return result ;
+}
+
+static Bool
+ephyrXVPrivQueryHostAdaptors (EphyrXVPriv *a_this)
+{
+    EphyrHostXVAdaptor *cur_host_adaptor=NULL ;
+    EphyrHostVideoFormat *video_formats=NULL ;
+    EphyrHostEncoding *encodings=NULL ;
+    EphyrHostAttribute *attributes=NULL ;
+    EphyrHostImageFormat *image_formats=NULL ;
+    int num_video_formats=0, base_port_id=0,
+        num_attributes=0, num_formats=0, i=0,
+        port_priv_offset=0;
+    unsigned num_encodings=0 ;
+    Bool is_ok = FALSE ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, FALSE) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (!ephyrHostXVQueryAdaptors (&a_this->host_adaptors)) {
+        EPHYR_LOG_ERROR ("failed to query host adaptors\n") ;
+        goto out ;
+    }
+    if (a_this->host_adaptors)
+        a_this->num_adaptors =
+                    ephyrHostXVAdaptorArrayGetSize (a_this->host_adaptors) ;
+    if (a_this->num_adaptors < 0) {
+        EPHYR_LOG_ERROR ("failed to get number of host adaptors\n") ;
+        goto out ;
+    }
+    EPHYR_LOG ("host has %d adaptors\n", a_this->num_adaptors) ;
+    /*
+     * copy what we can from adaptors into a_this->adaptors
+     */
+    if (a_this->num_adaptors) {
+        a_this->adaptors = xcalloc (a_this->num_adaptors,
+                                    sizeof (KdVideoAdaptorRec)) ;
+        if (!a_this->adaptors) {
+            EPHYR_LOG_ERROR ("failed to create internal adaptors\n") ;
+            goto out ;
+        }
+    }
+    for (i=0; i < a_this->num_adaptors; i++) {
+        int j=0 ;
+        cur_host_adaptor =
+                   ephyrHostXVAdaptorArrayAt (a_this->host_adaptors, i) ;
+        if (!cur_host_adaptor)
+            continue ;
+        a_this->adaptors[i].nPorts =
+                            ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ;
+        if (a_this->adaptors[i].nPorts <=0) {
+            EPHYR_LOG_ERROR ("Could not find any port of adaptor %d\n", i) ;
+            continue ;
+        }
+        a_this->adaptors[i].type =
+                        ephyrHostXVAdaptorGetType (cur_host_adaptor) ;
+        a_this->adaptors[i].type |= XvWindowMask ;
+        a_this->adaptors[i].flags =
+                        VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT;
+        if (ephyrHostXVAdaptorGetName (cur_host_adaptor))
+            a_this->adaptors[i].name =
+                    strdup (ephyrHostXVAdaptorGetName (cur_host_adaptor)) ;
+        else
+            a_this->adaptors[i].name = strdup ("Xephyr Video Overlay");
+        base_port_id = ephyrHostXVAdaptorGetFirstPortID (cur_host_adaptor) ;
+        if (base_port_id < 0) {
+            EPHYR_LOG_ERROR ("failed to get port id for adaptor %d\n", i) ;
+            continue ;
+        }
+        if (!s_base_port_id)
+            s_base_port_id = base_port_id ;
+
+        if (!ephyrHostXVQueryEncodings (base_port_id,
+                                        &encodings,
+                                        &num_encodings)) {
+            EPHYR_LOG_ERROR ("failed to get encodings for port port id %d,"
+                             " adaptors %d\n",
+                             base_port_id, i) ;
+            continue ;
+        }
+        a_this->adaptors[i].nEncodings = num_encodings ;
+        a_this->adaptors[i].pEncodings =
+                            videoEncodingDup (encodings, num_encodings) ;
+        video_formats = (EphyrHostVideoFormat*)
+            ephyrHostXVAdaptorGetVideoFormats (cur_host_adaptor,
+                                               &num_video_formats);
+        a_this->adaptors[i].pFormats = (KdVideoFormatPtr) video_formats ;
+        a_this->adaptors[i].nFormats = num_video_formats ;
+        /* got a_this->adaptors[i].nPorts already
+        a_this->adaptors[i].nPorts =
+                            ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ;
+        */
+        a_this->adaptors[i].pPortPrivates =
+                xcalloc (a_this->adaptors[i].nPorts,
+                         sizeof (DevUnion) + sizeof (EphyrPortPriv)) ;
+        port_priv_offset = a_this->adaptors[i].nPorts;
+        for (j=0; j < a_this->adaptors[i].nPorts; j++) {
+            EphyrPortPriv *port_privs_base =
+                    (EphyrPortPriv*)&a_this->adaptors[i].pPortPrivates[port_priv_offset];
+            EphyrPortPriv *port_priv = &port_privs_base[j] ;
+            port_priv->port_number = base_port_id + j;
+            port_priv->current_adaptor = &a_this->adaptors[i] ;
+            port_priv->xv_priv = a_this ;
+            a_this->adaptors[i].pPortPrivates[j].ptr = port_priv;
+        }
+        if (!ephyrHostXVQueryPortAttributes (base_port_id,
+                                             &attributes,
+                                             &num_attributes)) {
+            EPHYR_LOG_ERROR ("failed to get port attribute "
+                             "for adaptor %d\n", i) ;
+            continue ;
+        }
+        a_this->adaptors[i].pAttributes =
+                    portAttributesDup (attributes, num_attributes);
+        a_this->adaptors[i].nAttributes = num_attributes ;
+        /*make sure atoms of attrs names are created in xephyr*/
+        for (j=0; j < a_this->adaptors[i].nAttributes; j++) {
+            if (a_this->adaptors[i].pAttributes[j].name)
+                MakeAtom (a_this->adaptors[i].pAttributes[j].name,
+                          strlen (a_this->adaptors[i].pAttributes[j].name),
+                          TRUE) ;
+        }
+        if (!ephyrHostXVQueryImageFormats (base_port_id,
+                                           &image_formats,
+                                           &num_formats)) {
+            EPHYR_LOG_ERROR ("failed to get image formats "
+                             "for adaptor %d\n", i) ;
+            continue ;
+        }
+        a_this->adaptors[i].pImages = (KdImagePtr) image_formats ;
+        a_this->adaptors[i].nImages = num_formats ;
+    }
+    is_ok = TRUE ;
+
+out:
+    if (encodings) {
+        ephyrHostEncodingsDelete (encodings, num_encodings) ;
+        encodings = NULL ;
+    }
+    if (attributes) {
+        ephyrHostAttributesDelete (attributes) ;
+        attributes = NULL ;
+    }
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+
+static Bool
+ephyrXVPrivSetAdaptorsHooks (EphyrXVPriv *a_this)
+{
+    int i=0 ;
+    Bool has_it=FALSE ;
+    EphyrHostXVAdaptor *cur_host_adaptor=NULL ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, FALSE) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    for (i=0; i < a_this->num_adaptors; i++) {
+        a_this->adaptors[i].ReputImage = ephyrReputImage ;
+        a_this->adaptors[i].StopVideo = ephyrStopVideo ;
+        a_this->adaptors[i].SetPortAttribute = ephyrSetPortAttribute ;
+        a_this->adaptors[i].GetPortAttribute = ephyrGetPortAttribute ;
+        a_this->adaptors[i].QueryBestSize = ephyrQueryBestSize ;
+        a_this->adaptors[i].QueryImageAttributes = ephyrQueryImageAttributes ;
+
+        cur_host_adaptor =
+                   ephyrHostXVAdaptorArrayAt (a_this->host_adaptors, i) ;
+        if (!cur_host_adaptor) {
+            EPHYR_LOG_ERROR ("failed to get host adaptor at index %d\n", i) ;
+            continue ;
+        }
+        has_it = FALSE ;
+        if (!ephyrHostXVAdaptorHasPutImage (cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR ("error\n") ;
+        }
+        if (has_it) {
+            a_this->adaptors[i].PutImage = ephyrPutImage;
+        }
+
+        has_it = FALSE ;
+        if (!ephyrHostXVAdaptorHasPutVideo (cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR ("error\n") ;
+        }
+        if (has_it) {
+            a_this->adaptors[i].PutVideo = ephyrPutVideo;
+        }
+
+        has_it = FALSE ;
+        if (!ephyrHostXVAdaptorHasGetVideo (cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR ("error\n") ;
+        }
+        if (has_it) {
+            a_this->adaptors[i].GetVideo = ephyrGetVideo;
+        }
+
+        has_it = FALSE ;
+        if (!ephyrHostXVAdaptorHasPutStill (cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR ("error\n") ;
+        }
+        if (has_it) {
+            a_this->adaptors[i].PutStill = ephyrPutStill;
+        }
+
+        has_it = FALSE ;
+        if (!ephyrHostXVAdaptorHasGetStill (cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR ("error\n") ;
+        }
+        if (has_it) {
+            a_this->adaptors[i].GetStill = ephyrGetStill;
+        }
+    }
+    EPHYR_LOG ("leave\n") ;
+    return TRUE ;
+}
+
+static Bool
+ephyrXVPrivRegisterAdaptors (EphyrXVPriv *a_this,
+                             ScreenPtr a_screen)
+{
+    KdScreenPriv(a_screen);
+    KdScreenInfo *screen = pScreenPriv->screen;
+    Bool is_ok = FALSE ;
+    KdVideoAdaptorPtr *adaptors=NULL, *registered_adaptors=NULL ;
+    int num_registered_adaptors=0, i=0, num_adaptors=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_screen, FALSE) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (!a_this->num_adaptors)
+        goto out ;
+    num_registered_adaptors =
+                KdXVListGenericAdaptors (screen, &registered_adaptors);
+
+    num_adaptors = num_registered_adaptors + a_this->num_adaptors ;
+    adaptors = xcalloc (num_adaptors, sizeof (KdVideoAdaptorPtr)) ;
+    if (!adaptors) {
+        EPHYR_LOG_ERROR ("failed to allocate adaptors tab\n") ;
+        goto out ;
+    }
+    memmove (adaptors, registered_adaptors, num_registered_adaptors) ;
+    for (i=0 ; i < a_this->num_adaptors; i++) {
+        *(adaptors + num_registered_adaptors + i) = &a_this->adaptors[i] ;
+    }
+    if (!KdXVScreenInit (a_screen, adaptors, num_adaptors)) {
+        EPHYR_LOG_ERROR ("failed to register adaptors\n");
+        goto out ;
+    }
+    EPHYR_LOG ("there are  %d registered adaptors\n", num_adaptors) ;
+    is_ok = TRUE ;
+
+out:
+    if (registered_adaptors) {
+        xfree (registered_adaptors) ;
+        registered_adaptors = NULL ;
+    }
+    if (adaptors) {
+        xfree (adaptors) ;
+        adaptors=NULL ;
+    }
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+
+static Bool
+ephyrXVPrivIsAttrValueValid (KdAttributePtr a_attrs,
+                             int a_attrs_len,
+                             const char *a_attr_name,
+                             int a_attr_value,
+                             Bool *a_is_valid)
+{
+    int i=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_attrs && a_attr_name && a_is_valid,
+                              FALSE) ;
+
+    for (i=0; i < a_attrs_len; i++) {
+        if (a_attrs[i].name && strcmp (a_attrs[i].name, a_attr_name))
+            continue ;
+        if (a_attrs[i].min_value > a_attr_value ||
+            a_attrs[i].max_value < a_attr_value) {
+            *a_is_valid = FALSE ;
+            EPHYR_LOG_ERROR ("attribute was not valid\n"
+                             "value:%d. min:%d. max:%d\n",
+                             a_attr_value,
+                             a_attrs[i].min_value,
+                             a_attrs[i].max_value) ;
+        } else {
+            *a_is_valid = TRUE ;
+        }
+        return TRUE ;
+    }
+    return FALSE ;
+}
+
+static Bool
+ephyrXVPrivGetImageBufSize (int a_port_id,
+                            int a_image_id,
+                            unsigned short a_width,
+                            unsigned short a_height,
+                            int *a_size)
+{
+    Bool is_ok=FALSE ;
+    unsigned short width=a_width, height=a_height ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_size, FALSE) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (!ephyrHostXVQueryImageAttributes (a_port_id, a_image_id,
+                                          &width, &height, a_size, NULL, NULL)) {
+        EPHYR_LOG_ERROR ("failed to get image attributes\n") ;
+        goto out ;
+    }
+    is_ok = TRUE ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+
+static Bool
+ephyrXVPrivSaveImageToPortPriv (EphyrPortPriv *a_port_priv,
+                                const unsigned char *a_image_buf,
+                                int a_image_len)
+{
+    Bool is_ok=FALSE ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (a_port_priv->image_buf_size < a_image_len) {
+        unsigned char *buf=NULL ;
+        buf = realloc (a_port_priv->image_buf, a_image_len) ;
+        if (!buf) {
+            EPHYR_LOG_ERROR ("failed to realloc image buffer\n") ;
+            goto out ;
+        }
+        a_port_priv->image_buf = buf ;
+        a_port_priv->image_buf_size = a_image_len;
+    }
+    memmove (a_port_priv->image_buf, a_image_buf, a_image_len) ;
+    is_ok = TRUE ;
+
+out:
+    return is_ok ;
+    EPHYR_LOG ("leave\n") ;
+}
+
+static void
+ephyrStopVideo (KdScreenInfo *a_info, pointer a_port_priv, Bool a_exit)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+
+    EPHYR_RETURN_IF_FAIL (a_info && a_info->pScreen) ;
+    EPHYR_RETURN_IF_FAIL (port_priv) ;
+
+    EPHYR_LOG ("enter\n") ;
+    if (!ephyrHostXVStopVideo (a_info->pScreen->myNum,
+                               port_priv->port_number)) {
+        EPHYR_LOG_ERROR ("XvStopVideo() failed\n") ;
+    }
+    EPHYR_LOG ("leave\n") ;
+}
+
+static int
+ephyrSetPortAttribute (KdScreenInfo *a_info,
+                       Atom a_attr_name,
+                       int a_attr_value,
+                       pointer a_port_priv)
+{
+    int res=Success, host_atom=0 ;
+    EphyrPortPriv *port_priv = a_port_priv ;
+    Bool is_attr_valid=FALSE ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (port_priv, BadMatch) ;
+    EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor, BadMatch) ;
+    EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor->pAttributes,
+                              BadMatch) ;
+    EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor->nAttributes,
+                              BadMatch) ;
+    EPHYR_RETURN_VAL_IF_FAIL (ValidAtom (a_attr_name), BadMatch) ;
+
+    EPHYR_LOG ("enter, portnum:%d, atomid:%d, attr_name:%s, attr_val:%d\n",
+               port_priv->port_number,
+               (int)a_attr_name,
+               NameForAtom (a_attr_name),
+               a_attr_value) ;
+
+    if (!ephyrLocalAtomToHost (a_attr_name, &host_atom)) {
+        EPHYR_LOG_ERROR ("failed to convert local atom to host atom\n") ;
+        res = BadMatch ;
+        goto out ;
+    }
+
+    if (!ephyrXVPrivIsAttrValueValid (port_priv->current_adaptor->pAttributes,
+                                      port_priv->current_adaptor->nAttributes,
+                                      NameForAtom (a_attr_name),
+                                      a_attr_value,
+                                      &is_attr_valid)) {
+        EPHYR_LOG_ERROR ("failed to validate attribute %s\n",
+                         NameForAtom (a_attr_name)) ;
+        /*
+         res = BadMatch ;
+         goto out ;
+         */
+    }
+    if (!is_attr_valid) {
+        EPHYR_LOG_ERROR ("attribute %s is not valid\n",
+                         NameForAtom (a_attr_name)) ;
+        /*
+        res = BadMatch ;
+        goto out ;
+        */
+    }
+
+    if (!ephyrHostXVSetPortAttribute (port_priv->port_number,
+                                      host_atom,
+                                      a_attr_value)) {
+        EPHYR_LOG_ERROR ("failed to set port attribute\n") ;
+        res = BadMatch ;
+        goto out ;
+    }
+
+    res = Success ;
+out:
+    EPHYR_LOG ("leave\n") ;
+    return res ;
+}
+
+static int
+ephyrGetPortAttribute (KdScreenInfo *a_screen_info,
+                       Atom a_attr_name,
+                       int *a_attr_value,
+                       pointer a_port_priv)
+{
+    int res=Success, host_atom=0 ;
+    EphyrPortPriv *port_priv = a_port_priv ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (port_priv, BadMatch) ;
+    EPHYR_RETURN_VAL_IF_FAIL (ValidAtom (a_attr_name), BadMatch) ;
+
+    EPHYR_LOG ("enter, portnum:%d, atomid:%d, attr_name:%s\n",
+               port_priv->port_number,
+               (int)a_attr_name,
+               NameForAtom (a_attr_name)) ;
+
+    if (!ephyrLocalAtomToHost (a_attr_name, &host_atom)) {
+        EPHYR_LOG_ERROR ("failed to convert local atom to host atom\n") ;
+        res = BadMatch ;
+        goto out ;
+    }
+
+    if (!ephyrHostXVGetPortAttribute (port_priv->port_number,
+                                      host_atom,
+                                      a_attr_value)) {
+        EPHYR_LOG_ERROR ("failed to get port attribute\n") ;
+        res = BadMatch ;
+        goto out ;
+    }
+
+    res = Success ;
+out:
+    EPHYR_LOG ("leave\n") ;
+    return res ;
+}
+
+static void
+ephyrQueryBestSize (KdScreenInfo *a_info,
+                    Bool a_motion,
+                    short a_src_w,
+                    short a_src_h,
+                    short a_drw_w,
+                    short a_drw_h,
+                    unsigned int *a_prefered_w,
+                    unsigned int *a_prefered_h,
+                    pointer a_port_priv)
+{
+    int res=0 ;
+    EphyrPortPriv *port_priv = a_port_priv ;
+
+    EPHYR_RETURN_IF_FAIL (port_priv) ;
+
+    EPHYR_LOG ("enter\n") ;
+    res = ephyrHostXVQueryBestSize (port_priv->port_number,
+                                    a_motion,
+                                    a_src_w, a_src_h,
+                                    a_drw_w, a_drw_h,
+                                    a_prefered_w, a_prefered_h) ;
+    if (!res) {
+        EPHYR_LOG_ERROR ("Failed to query best size\n") ;
+    }
+    EPHYR_LOG ("leave\n") ;
+}
+
+static int
+ephyrPutImage (KdScreenInfo *a_info,
+               DrawablePtr a_drawable,
+               short a_src_x,
+               short a_src_y,
+               short a_drw_x,
+               short a_drw_y,
+               short a_src_w,
+               short a_src_h,
+               short a_drw_w,
+               short a_drw_h,
+               int a_id,
+               unsigned char *a_buf,
+               short a_width,
+               short a_height,
+               Bool a_sync,
+               RegionPtr a_clipping_region,
+               pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+    Bool is_ok=FALSE ;
+    int result=BadImplementation, image_size=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_drawable, BadValue) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (!ephyrHostXVPutImage (a_info->pScreen->myNum,
+                              port_priv->port_number,
+                              a_id,
+                              a_drw_x, a_drw_y, a_drw_w, a_drw_h,
+                              a_src_x, a_src_y, a_src_w, a_src_h,
+                              a_width, a_height, a_buf,
+                              (EphyrHostBox*)REGION_RECTS (a_clipping_region),
+                              REGION_NUM_RECTS (a_clipping_region))) {
+        EPHYR_LOG_ERROR ("EphyrHostXVPutImage() failed\n") ;
+        goto out ;
+    }
+
+    /*
+     * Now save the image so that we can resend it to host it
+     * later, in ReputImage.
+     */
+    if (!ephyrXVPrivGetImageBufSize (port_priv->port_number,
+                                     a_id, a_width, a_height, &image_size)) {
+        EPHYR_LOG_ERROR ("failed to get image size\n") ;
+        /*this is a minor error so we won't get bail out abruptly*/
+        is_ok = FALSE ;
+    } else {
+        is_ok = TRUE ;
+    }
+    if (is_ok) {
+        if (!ephyrXVPrivSaveImageToPortPriv (port_priv, a_buf, image_size)) {
+            is_ok=FALSE ;
+        } else {
+            port_priv->image_id = a_id;
+            port_priv->drw_x = a_drw_x;
+            port_priv->drw_y = a_drw_y;
+            port_priv->drw_w = a_drw_w ;
+            port_priv->drw_h = a_drw_h ;
+            port_priv->src_x = a_src_x;
+            port_priv->src_y = a_src_y ;
+            port_priv->src_w = a_src_w ;
+            port_priv->src_h = a_src_h ;
+            port_priv->image_width = a_width ;
+            port_priv->image_height = a_height ;
+        }
+    }
+    if (!is_ok) {
+        if (port_priv->image_buf) {
+            free (port_priv->image_buf) ;
+            port_priv->image_buf = NULL ;
+            port_priv->image_buf_size = 0 ;
+        }
+    }
+
+    result = Success ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return result ;
+}
+
+static int
+ephyrReputImage (KdScreenInfo *a_info,
+                 DrawablePtr a_drawable,
+                 short a_drw_x,
+                 short a_drw_y,
+                 RegionPtr a_clipping_region,
+                 pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+    int result=BadImplementation ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_info->pScreen, FALSE) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    if (!port_priv->image_buf_size || !port_priv->image_buf) {
+        EPHYR_LOG_ERROR ("has null image buf in cache\n") ;
+        goto out ;
+    }
+    if (!ephyrHostXVPutImage (a_info->pScreen->myNum,
+                              port_priv->port_number,
+                              port_priv->image_id,
+                              a_drw_x, a_drw_y,
+                              port_priv->drw_w, port_priv->drw_h,
+                              port_priv->src_x, port_priv->src_y,
+                              port_priv->src_w, port_priv->src_h,
+                              port_priv->image_width, port_priv->image_height,
+                              port_priv->image_buf,
+                              (EphyrHostBox*)REGION_RECTS (a_clipping_region),
+                              REGION_NUM_RECTS (a_clipping_region))) {
+        EPHYR_LOG_ERROR ("ephyrHostXVPutImage() failed\n") ;
+        goto out ;
+    }
+
+    result = Success ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return result ;
+}
+
+static int
+ephyrPutVideo (KdScreenInfo *a_info,
+               DrawablePtr a_drawable,
+               short a_vid_x, short a_vid_y,
+               short a_drw_x, short a_drw_y,
+               short a_vid_w, short a_vid_h,
+               short a_drw_w, short a_drw_h,
+               RegionPtr a_clipping_region,
+               pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+    BoxRec clipped_area, dst_box ;
+    int result=BadImplementation ;
+    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_info->pScreen, BadValue) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    dst_box.x1 = a_drw_x ;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y ;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip (&dst_box,
+                       REGION_EXTENTS (pScreen->pScreen, a_clipping_region),
+                       &clipped_area)) {
+        EPHYR_LOG_ERROR ("failed to simple clip\n") ;
+        goto out ;
+    }
+
+    drw_x = clipped_area.x1 ;
+    drw_y = clipped_area.y1 ;
+    drw_w = clipped_area.x2 - clipped_area.x1 ;
+    drw_h = clipped_area.y2 - clipped_area.y1 ;
+
+    if (!ephyrHostXVPutVideo (a_info->pScreen->myNum,
+                              port_priv->port_number,
+                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR ("ephyrHostXVPutVideo() failed\n") ;
+        goto out ;
+    }
+    result = Success ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return result ;
+}
+
+static int
+ephyrGetVideo (KdScreenInfo *a_info,
+               DrawablePtr a_drawable,
+               short a_vid_x, short a_vid_y,
+               short a_drw_x, short a_drw_y,
+               short a_vid_w, short a_vid_h,
+               short a_drw_w, short a_drw_h,
+               RegionPtr a_clipping_region,
+               pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+    BoxRec clipped_area, dst_box ;
+    int result=BadImplementation ;
+    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    dst_box.x1 = a_drw_x ;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y ;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip (&dst_box,
+                       REGION_EXTENTS (pScreen->pScreen, a_clipping_region),
+                       &clipped_area)) {
+        EPHYR_LOG_ERROR ("failed to simple clip\n") ;
+        goto out ;
+    }
+
+    drw_x = clipped_area.x1 ;
+    drw_y = clipped_area.y1 ;
+    drw_w = clipped_area.x2 - clipped_area.x1 ;
+    drw_h = clipped_area.y2 - clipped_area.y1 ;
+
+    if (!ephyrHostXVGetVideo (a_info->pScreen->myNum,
+                              port_priv->port_number,
+                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR ("ephyrHostXVGetVideo() failed\n") ;
+        goto out ;
+    }
+    result = Success ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return result ;
+}
+
+static int
+ephyrPutStill (KdScreenInfo *a_info,
+               DrawablePtr a_drawable,
+               short a_vid_x, short a_vid_y,
+               short a_drw_x, short a_drw_y,
+               short a_vid_w, short a_vid_h,
+               short a_drw_w, short a_drw_h,
+               RegionPtr a_clipping_region,
+               pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+    BoxRec clipped_area, dst_box ;
+    int result=BadImplementation ;
+    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    dst_box.x1 = a_drw_x ;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y ;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip (&dst_box,
+                       REGION_EXTENTS (pScreen->pScreen, a_clipping_region),
+                       &clipped_area)) {
+        EPHYR_LOG_ERROR ("failed to simple clip\n") ;
+        goto out ;
+    }
+
+    drw_x = clipped_area.x1 ;
+    drw_y = clipped_area.y1 ;
+    drw_w = clipped_area.x2 - clipped_area.x1 ;
+    drw_h = clipped_area.y2 - clipped_area.y1 ;
+
+    if (!ephyrHostXVPutStill (a_info->pScreen->myNum,
+                              port_priv->port_number,
+                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR ("ephyrHostXVPutStill() failed\n") ;
+        goto out ;
+    }
+    result = Success ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return result ;
+}
+
+static int
+ephyrGetStill (KdScreenInfo *a_info,
+               DrawablePtr a_drawable,
+               short a_vid_x, short a_vid_y,
+               short a_drw_x, short a_drw_y,
+               short a_vid_w, short a_vid_h,
+               short a_drw_w, short a_drw_h,
+               RegionPtr a_clipping_region,
+               pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv ;
+    BoxRec clipped_area, dst_box ;
+    int result=BadImplementation ;
+    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    dst_box.x1 = a_drw_x ;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y ;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip (&dst_box,
+                       REGION_EXTENTS (pScreen->pScreen, a_clipping_region),
+                       &clipped_area)) {
+        EPHYR_LOG_ERROR ("failed to simple clip\n") ;
+        goto out ;
+    }
+
+    drw_x = clipped_area.x1 ;
+    drw_y = clipped_area.y1 ;
+    drw_w = clipped_area.x2 - clipped_area.x1 ;
+    drw_h = clipped_area.y2 - clipped_area.y1 ;
+
+    if (!ephyrHostXVGetStill (a_info->pScreen->myNum,
+                              port_priv->port_number,
+                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR ("ephyrHostXVGetStill() failed\n") ;
+        goto out ;
+    }
+    result = Success ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return result ;
+}
+
+static int
+ephyrQueryImageAttributes (KdScreenInfo *a_info,
+                           int a_id,
+                           unsigned short *a_w,
+                           unsigned short *a_h,
+                           int *a_pitches,
+                           int *a_offsets)
+{
+    int image_size=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_w && a_h, FALSE) ;
+
+    EPHYR_LOG ("enter: dim (%dx%d), pitches: %#x, offsets: %#x\n",
+               *a_w, *a_h, (unsigned int)a_pitches, (unsigned int)a_offsets) ;
+
+   if (!ephyrHostXVQueryImageAttributes (s_base_port_id,
+                                         a_id,
+                                         a_w, a_h,
+                                         &image_size,
+                                         a_pitches, a_offsets)) {
+       EPHYR_LOG_ERROR ("EphyrHostXVQueryImageAttributes() failed\n") ;
+       goto out ;
+   }
+   EPHYR_LOG ("image size: %d, dim (%dx%d)\n", image_size, *a_w, *a_h) ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return image_size ;
+}