e4239a4807
* hw/kdrive/ephyr/ephyrdriext.c: added this to implement a DRI extension into Xephyr. Normally the DRI extension is only present in the xfree86 server, but I have ported it to Xephyr. The extension calls functions that declared/defined in ephyrdri.h ephyrdri.c that forwards the DRI calls to the host X. It does not work yet, as this entry is just to put the big bricks in place. * hw/kdrive/ephyr/ephyrdri.c,h: declaration & definition of the DRI client API that would hit the hostX server. * hw/kdrive/ephyr/GL/internal/dri_interface.h: added this, otherwise inclusion of /usr/include/X11/dri/xf86dri.h won't compile
692 lines
19 KiB
C
692 lines
19 KiB
C
/*
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* Xephyr - A kdrive X server thats runs in a host X window.
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* Authored by Matthew Allum <mallum@openedhand.com>
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*
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* Copyright © 2007 OpenedHand Ltd
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of OpenedHand Ltd not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. OpenedHand Ltd makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* This file is heavily copied from hw/xfree86/dri/xf86dri.c
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*
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* Authors:
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* Dodji Seketeli <dodji@openedhand.com>
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <string.h>
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#define NEED_REPLIES
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#define NEED_EVENTS
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#define _XF86DRI_SERVER_
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#include <X11/dri/xf86dri.h>
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#include <X11/dri/xf86dristr.h>
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#include "misc.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "colormapst.h"
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#include "cursorstr.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#include "swaprep.h"
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#include "ephyrdri.h"
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#define _HAVE_XALLOC_DECLS
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#include "ephyrlog.h"
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static int DRIErrorBase;
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static DISPATCH_PROC(ProcXF86DRIQueryVersion);
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static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);
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static DISPATCH_PROC(ProcXF86DRIOpenConnection);
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static DISPATCH_PROC(ProcXF86DRICloseConnection);
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static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);
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static DISPATCH_PROC(ProcXF86DRICreateContext);
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static DISPATCH_PROC(ProcXF86DRIDestroyContext);
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static DISPATCH_PROC(ProcXF86DRICreateDrawable);
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static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);
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static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);
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static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);
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static DISPATCH_PROC(ProcXF86DRIDispatch);
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static DISPATCH_PROC(ProcXF86DRIAuthConnection);
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static DISPATCH_PROC(SProcXF86DRIQueryVersion);
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static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable);
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static DISPATCH_PROC(SProcXF86DRIDispatch);
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static void XF86DRIResetProc(ExtensionEntry* extEntry);
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static unsigned char DRIReqCode = 0;
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extern void XFree86DRIExtensionInit(void);
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void
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XFree86DRIExtensionInit(void)
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{
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ExtensionEntry* extEntry;
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EPHYR_LOG ("enter\n") ;
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#ifdef XF86DRI_EVENTS
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EventType = CreateNewResourceType(XF86DRIFreeEvents);
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#endif
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if ((extEntry = AddExtension(XF86DRINAME,
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XF86DRINumberEvents,
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XF86DRINumberErrors,
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ProcXF86DRIDispatch,
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SProcXF86DRIDispatch,
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XF86DRIResetProc,
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StandardMinorOpcode))) {
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DRIReqCode = (unsigned char)extEntry->base;
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DRIErrorBase = extEntry->errorBase;
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}
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EPHYR_LOG ("leave\n") ;
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}
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/*ARGSUSED*/
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static void
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XF86DRIResetProc (
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ExtensionEntry* extEntry
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)
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{
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}
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static int
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ProcXF86DRIQueryVersion(
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register ClientPtr client
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)
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{
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xXF86DRIQueryVersionReply rep;
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register int n;
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REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.majorVersion = XF86DRI_MAJOR_VERSION;
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rep.minorVersion = XF86DRI_MINOR_VERSION;
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rep.patchVersion = XF86DRI_PATCH_VERSION;
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if (client->swapped) {
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swaps(&rep.sequenceNumber, n);
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swapl(&rep.length, n);
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swaps(&rep.majorVersion, n);
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swaps(&rep.minorVersion, n);
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swapl(&rep.patchVersion, n);
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}
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WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);
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return (client->noClientException);
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}
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static int
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ProcXF86DRIQueryDirectRenderingCapable(
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register ClientPtr client
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)
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{
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xXF86DRIQueryDirectRenderingCapableReply rep;
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Bool isCapable;
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register int n;
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REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
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REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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if (!ephyrDRIQueryDirectRenderingCapable (stuff->screen, &isCapable)) {
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return BadValue;
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}
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rep.isCapable = isCapable;
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if (!LocalClient(client) || client->swapped)
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rep.isCapable = 0;
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if (client->swapped) {
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swaps(&rep.sequenceNumber, n);
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swapl(&rep.length, n);
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}
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WriteToClient(client,
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sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);
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return (client->noClientException);
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}
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static int
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ProcXF86DRIOpenConnection(
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register ClientPtr client
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)
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{
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xXF86DRIOpenConnectionReply rep;
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drm_handle_t hSAREA;
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char* busIdString;
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REQUEST(xXF86DRIOpenConnectionReq);
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REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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if (!ephyrDRIOpenConnection(stuff->screen,
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&hSAREA,
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&busIdString)) {
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return BadValue;
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}
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rep.type = X_Reply;
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rep.sequenceNumber = client->sequence;
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rep.busIdStringLength = 0;
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if (busIdString)
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rep.busIdStringLength = strlen(busIdString);
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rep.length = (SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +
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((rep.busIdStringLength + 3) & ~3)) >> 2;
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rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff);
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#if defined(LONG64) && !defined(__linux__)
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rep.hSAREAHigh = (CARD32)(hSAREA >> 32);
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#else
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rep.hSAREAHigh = 0;
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#endif
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WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);
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if (rep.busIdStringLength)
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WriteToClient(client, rep.busIdStringLength, busIdString);
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return (client->noClientException);
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}
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static int
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ProcXF86DRIAuthConnection(
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register ClientPtr client
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)
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{
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xXF86DRIAuthConnectionReply rep;
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REQUEST(xXF86DRIAuthConnectionReq);
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REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.authenticated = 1;
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if (!ephyrDRIAuthConnection (stuff->screen, stuff->magic)) {
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ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic);
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rep.authenticated = 0;
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}
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WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);
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return (client->noClientException);
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}
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static int
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ProcXF86DRICloseConnection(
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register ClientPtr client
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)
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{
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REQUEST(xXF86DRICloseConnectionReq);
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REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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/*
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DRICloseConnection( screenInfo.screens[stuff->screen]);
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*/
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return (client->noClientException);
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}
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static int
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ProcXF86DRIGetClientDriverName(
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register ClientPtr client
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)
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{
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xXF86DRIGetClientDriverNameReply rep;
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char* clientDriverName;
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REQUEST(xXF86DRIGetClientDriverNameReq);
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REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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ephyrDRIGetClientDriverName (stuff->screen,
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(int *)&rep.ddxDriverMajorVersion,
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(int *)&rep.ddxDriverMinorVersion,
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(int *)&rep.ddxDriverPatchVersion,
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&clientDriverName);
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rep.type = X_Reply;
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rep.sequenceNumber = client->sequence;
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rep.clientDriverNameLength = 0;
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if (clientDriverName)
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rep.clientDriverNameLength = strlen(clientDriverName);
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rep.length = (SIZEOF(xXF86DRIGetClientDriverNameReply) -
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SIZEOF(xGenericReply) +
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((rep.clientDriverNameLength + 3) & ~3)) >> 2;
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WriteToClient(client,
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sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);
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if (rep.clientDriverNameLength)
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WriteToClient(client,
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rep.clientDriverNameLength,
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clientDriverName);
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return (client->noClientException);
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}
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static int
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ProcXF86DRICreateContext(
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register ClientPtr client
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)
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{
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xXF86DRICreateContextReply rep;
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ScreenPtr pScreen;
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VisualPtr visual;
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int i;
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REQUEST(xXF86DRICreateContextReq);
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REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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pScreen = screenInfo.screens[stuff->screen];
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visual = pScreen->visuals;
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/* Find the requested X visual */
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for (i = 0; i < pScreen->numVisuals; i++, visual++)
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if (visual->vid == stuff->visual)
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break;
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if (i == pScreen->numVisuals) {
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/* No visual found */
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return BadValue;
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}
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/*
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if (!DRICreateContext( pScreen,
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visual,
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stuff->context,
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(drm_context_t *)&rep.hHWContext)) {
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return BadValue;
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}
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*/
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WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);
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return (client->noClientException);
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}
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static int
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ProcXF86DRIDestroyContext(
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register ClientPtr client
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)
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{
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REQUEST(xXF86DRIDestroyContextReq);
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REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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/*
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if (!DRIDestroyContext( screenInfo.screens[stuff->screen],
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stuff->context)) {
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return BadValue;
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}
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*/
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return (client->noClientException);
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}
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static int
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ProcXF86DRICreateDrawable(
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ClientPtr client
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)
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{
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xXF86DRICreateDrawableReply rep;
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DrawablePtr pDrawable;
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int rc;
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REQUEST(xXF86DRICreateDrawableReq);
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REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
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DixReadAccess);
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if (rc != Success)
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return rc;
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/*TODO: this cannot work. We must properly
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* do the mapping between the xephyr drawable and
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* the host drawable
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*/
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if (!ephyrDRICreateDrawable (stuff->screen,
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0/*should be host drawableID*/,
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(drm_drawable_t *)&rep.hHWDrawable)) {
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return BadValue;
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}
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WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);
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return (client->noClientException);
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}
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static int
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ProcXF86DRIDestroyDrawable(
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register ClientPtr client
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)
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{
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REQUEST(xXF86DRIDestroyDrawableReq);
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DrawablePtr pDrawable;
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REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);
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int rc;
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
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DixReadAccess);
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if (rc != Success)
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return rc;
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if (!ephyrDRIDestroyDrawable(stuff->screen,
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0/*should be drawable in host x*/)) {
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return BadValue;
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}
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return (client->noClientException);
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}
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static int
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ProcXF86DRIGetDrawableInfo(
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register ClientPtr client
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)
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{
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xXF86DRIGetDrawableInfoReply rep;
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DrawablePtr pDrawable;
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int X, Y, W, H;
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drm_clip_rect_t * pClipRects, *pClippedRects;
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drm_clip_rect_t * pBackClipRects;
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int backX, backY, rc;
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REQUEST(xXF86DRIGetDrawableInfoReq);
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REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
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if (stuff->screen >= screenInfo.numScreens) {
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client->errorValue = stuff->screen;
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return BadValue;
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}
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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/*TODO: this cannot work.
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* We must properly do the mapping
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* between xephyr drawable and the host drawable
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*/
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rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
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DixReadAccess);
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if (rc != Success)
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return rc;
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if (!ephyrDRIGetDrawableInfo (stuff->screen,
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0 /*should be the drawable in hostx*/,
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(unsigned int*)&rep.drawableTableIndex,
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(unsigned int*)&rep.drawableTableStamp,
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(int*)&X,
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(int*)&Y,
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(int*)&W,
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(int*)&H,
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(int*)&rep.numClipRects,
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&pClipRects,
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&backX,
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&backY,
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(int*)&rep.numBackClipRects,
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&pBackClipRects)) {
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return BadValue;
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}
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rep.drawableX = X;
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rep.drawableY = Y;
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rep.drawableWidth = W;
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rep.drawableHeight = H;
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rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) -
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SIZEOF(xGenericReply));
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rep.backX = backX;
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rep.backY = backY;
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if (rep.numBackClipRects)
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rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;
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pClippedRects = pClipRects;
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if (rep.numClipRects) {
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/* Clip cliprects to screen dimensions (redirected windows) */
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pClippedRects = xalloc(rep.numClipRects * sizeof(drm_clip_rect_t));
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if (pClippedRects) {
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ScreenPtr pScreen = screenInfo.screens[stuff->screen];
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int i, j;
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for (i = 0, j = 0; i < rep.numClipRects; i++) {
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pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
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pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
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pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
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pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
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if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
|
|
pClippedRects[j].y1 < pClippedRects[j].y2) {
|
|
j++;
|
|
}
|
|
}
|
|
|
|
rep.numClipRects = j;
|
|
} else {
|
|
rep.numClipRects = 0;
|
|
}
|
|
|
|
rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
|
|
}
|
|
|
|
rep.length = ((rep.length + 3) & ~3) >> 2;
|
|
|
|
WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
|
|
|
|
if (rep.numClipRects) {
|
|
WriteToClient(client,
|
|
sizeof(drm_clip_rect_t) * rep.numClipRects,
|
|
(char *)pClippedRects);
|
|
xfree(pClippedRects);
|
|
}
|
|
|
|
if (rep.numBackClipRects) {
|
|
WriteToClient(client,
|
|
sizeof(drm_clip_rect_t) * rep.numBackClipRects,
|
|
(char *)pBackClipRects);
|
|
}
|
|
|
|
return (client->noClientException);
|
|
}
|
|
|
|
static int
|
|
ProcXF86DRIGetDeviceInfo(
|
|
register ClientPtr client
|
|
)
|
|
{
|
|
xXF86DRIGetDeviceInfoReply rep;
|
|
drm_handle_t hFrameBuffer;
|
|
void *pDevPrivate;
|
|
|
|
REQUEST(xXF86DRIGetDeviceInfoReq);
|
|
REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);
|
|
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 = (SIZEOF(xXF86DRIGetDeviceInfoReply) -
|
|
SIZEOF(xGenericReply) +
|
|
((rep.devPrivateSize + 3) & ~3)) >> 2;
|
|
}
|
|
|
|
WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);
|
|
if (rep.length) {
|
|
WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);
|
|
}
|
|
return (client->noClientException);
|
|
}
|
|
|
|
static int
|
|
ProcXF86DRIDispatch (
|
|
register ClientPtr client
|
|
)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
switch (stuff->data)
|
|
{
|
|
case X_XF86DRIQueryVersion:
|
|
return ProcXF86DRIQueryVersion(client);
|
|
case X_XF86DRIQueryDirectRenderingCapable:
|
|
return ProcXF86DRIQueryDirectRenderingCapable(client);
|
|
}
|
|
|
|
if (!LocalClient(client))
|
|
return DRIErrorBase + XF86DRIClientNotLocal;
|
|
|
|
switch (stuff->data)
|
|
{
|
|
case X_XF86DRIOpenConnection:
|
|
return ProcXF86DRIOpenConnection(client);
|
|
case X_XF86DRICloseConnection:
|
|
return ProcXF86DRICloseConnection(client);
|
|
case X_XF86DRIGetClientDriverName:
|
|
return ProcXF86DRIGetClientDriverName(client);
|
|
case X_XF86DRICreateContext:
|
|
return ProcXF86DRICreateContext(client);
|
|
case X_XF86DRIDestroyContext:
|
|
return ProcXF86DRIDestroyContext(client);
|
|
case X_XF86DRICreateDrawable:
|
|
return ProcXF86DRICreateDrawable(client);
|
|
case X_XF86DRIDestroyDrawable:
|
|
return ProcXF86DRIDestroyDrawable(client);
|
|
case X_XF86DRIGetDrawableInfo:
|
|
return ProcXF86DRIGetDrawableInfo(client);
|
|
case X_XF86DRIGetDeviceInfo:
|
|
return ProcXF86DRIGetDeviceInfo(client);
|
|
case X_XF86DRIAuthConnection:
|
|
return ProcXF86DRIAuthConnection(client);
|
|
/* {Open,Close}FullScreen are deprecated now */
|
|
default:
|
|
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);
|
|
|
|
/*
|
|
* Only local clients are allowed DRI access, but remote clients still need
|
|
* these requests to find out cleanly.
|
|
*/
|
|
switch (stuff->data)
|
|
{
|
|
case X_XF86DRIQueryVersion:
|
|
return SProcXF86DRIQueryVersion(client);
|
|
case X_XF86DRIQueryDirectRenderingCapable:
|
|
return SProcXF86DRIQueryDirectRenderingCapable(client);
|
|
default:
|
|
return DRIErrorBase + XF86DRIClientNotLocal;
|
|
}
|
|
}
|
|
|