712 lines
18 KiB
C
712 lines
18 KiB
C
/* $XFree86: xc/programs/Xserver/GL/dri/xf86dri.c,v 1.12 2002/12/14 01:36:08 dawes Exp $ */
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/**************************************************************************
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Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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Copyright 2000 VA Linux Systems, Inc.
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All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/*
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* Authors:
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* Kevin E. Martin <martin@valinux.com>
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* Jens Owen <jens@tungstengraphics.com>
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* Rickard E. (Rik) Faith <faith@valinux.com>
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*
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*/
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#include "xf86.h"
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#ifdef XFree86LOADER
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#include "xf86_ansic.h"
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#endif
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#define NEED_REPLIES
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#define NEED_EVENTS
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#include "X.h"
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#include "Xproto.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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#define _XF86DRI_SERVER_
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#include "xf86dristr.h"
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#include "swaprep.h"
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#include "xf86str.h"
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#include "dri.h"
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#include "sarea.h"
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#include "dristruct.h"
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#include "xf86.h"
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#include "xf86drm.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(ProcXF86DRIOpenFullScreen);
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static DISPATCH_PROC(ProcXF86DRICloseFullScreen);
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static DISPATCH_PROC(SProcXF86DRIQueryVersion);
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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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#ifdef XF86DRI_EVENTS
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EventType = CreateNewResourceType(XF86DRIFreeEvents);
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#endif
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if (
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DRIExtensionInit() &&
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#ifdef XF86DRI_EVENTS
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EventType && ScreenPrivateIndex != -1 &&
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#endif
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(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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}
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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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DRIReset();
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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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}
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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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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 (!DRIQueryDirectRenderingCapable( screenInfo.screens[stuff->screen],
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&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))
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rep.isCapable = 0;
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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 (!DRIOpenConnection( screenInfo.screens[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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#ifdef LONG64
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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 (!DRIAuthConnection( screenInfo.screens[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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DRICloseConnection( screenInfo.screens[stuff->screen]);
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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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DRIGetClientDriverName( screenInfo.screens[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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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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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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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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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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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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if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
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(Drawable)stuff->drawable,
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client,
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SecurityReadAccess))) {
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return BadValue;
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}
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if (!DRICreateDrawable( screenInfo.screens[stuff->screen],
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(Drawable)stuff->drawable,
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pDrawable,
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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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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 (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
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(Drawable)stuff->drawable,
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client,
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SecurityReadAccess))) {
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return BadValue;
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}
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if (!DRIDestroyDrawable( screenInfo.screens[stuff->screen],
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(Drawable)stuff->drawable,
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pDrawable)) {
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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;
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drm_clip_rect_t * pBackClipRects;
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int backX, backY;
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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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if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
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(Drawable)stuff->drawable,
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client,
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SecurityReadAccess))) {
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return BadValue;
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}
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if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
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pDrawable,
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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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if (rep.numClipRects)
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rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
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rep.length = ((rep.length + 3) & ~3) >> 2;
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WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
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if (rep.numClipRects) {
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WriteToClient(client,
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sizeof(drm_clip_rect_t) * rep.numClipRects,
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(char *)pClipRects);
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}
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if (rep.numBackClipRects) {
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WriteToClient(client,
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sizeof(drm_clip_rect_t) * rep.numBackClipRects,
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(char *)pBackClipRects);
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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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ProcXF86DRIGetDeviceInfo(
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register ClientPtr client
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)
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{
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xXF86DRIGetDeviceInfoReply rep;
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drm_handle_t hFrameBuffer;
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void *pDevPrivate;
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REQUEST(xXF86DRIGetDeviceInfoReq);
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REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);
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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 (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen],
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&hFrameBuffer,
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(int*)&rep.framebufferOrigin,
|
|
(int*)&rep.framebufferSize,
|
|
(int*)&rep.framebufferStride,
|
|
(int*)&rep.devPrivateSize,
|
|
&pDevPrivate)) {
|
|
return BadValue;
|
|
}
|
|
|
|
rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff);
|
|
#ifdef LONG64
|
|
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
|
|
ProcXF86DRIOpenFullScreen (
|
|
register ClientPtr client
|
|
)
|
|
{
|
|
REQUEST(xXF86DRIOpenFullScreenReq);
|
|
xXF86DRIOpenFullScreenReply rep;
|
|
DrawablePtr pDrawable;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DRIOpenFullScreenReq);
|
|
if (stuff->screen >= screenInfo.numScreens) {
|
|
client->errorValue = stuff->screen;
|
|
return BadValue;
|
|
}
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!(pDrawable = SecurityLookupDrawable(stuff->drawable,
|
|
client,
|
|
SecurityReadAccess)))
|
|
return BadValue;
|
|
|
|
rep.isFullScreen = DRIOpenFullScreen(screenInfo.screens[stuff->screen],
|
|
pDrawable);
|
|
|
|
WriteToClient(client, sizeof(xXF86DRIOpenFullScreenReply), (char *)&rep);
|
|
return client->noClientException;
|
|
}
|
|
|
|
static int
|
|
ProcXF86DRICloseFullScreen (
|
|
register ClientPtr client
|
|
)
|
|
{
|
|
REQUEST(xXF86DRICloseFullScreenReq);
|
|
xXF86DRICloseFullScreenReply rep;
|
|
DrawablePtr pDrawable;
|
|
|
|
REQUEST_SIZE_MATCH(xXF86DRICloseFullScreenReq);
|
|
if (stuff->screen >= screenInfo.numScreens) {
|
|
client->errorValue = stuff->screen;
|
|
return BadValue;
|
|
}
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
|
|
if (!(pDrawable = SecurityLookupDrawable(stuff->drawable,
|
|
client,
|
|
SecurityReadAccess)))
|
|
return BadValue;
|
|
|
|
DRICloseFullScreen(screenInfo.screens[stuff->screen], pDrawable);
|
|
|
|
WriteToClient(client, sizeof(xXF86DRICloseFullScreenReply), (char *)&rep);
|
|
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);
|
|
case X_XF86DRIOpenFullScreen:
|
|
return ProcXF86DRIOpenFullScreen(client);
|
|
case X_XF86DRICloseFullScreen:
|
|
return ProcXF86DRICloseFullScreen(client);
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|
|
|
|
static int
|
|
SProcXF86DRIQueryVersion(
|
|
register ClientPtr client
|
|
)
|
|
{
|
|
register int n;
|
|
REQUEST(xXF86DRIQueryVersionReq);
|
|
swaps(&stuff->length, n);
|
|
return ProcXF86DRIQueryVersion(client);
|
|
}
|
|
|
|
static int
|
|
SProcXF86DRIDispatch (
|
|
register ClientPtr client
|
|
)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
/* It is bound to be non-local when there is byte swapping */
|
|
if (!LocalClient(client))
|
|
return DRIErrorBase + XF86DRIClientNotLocal;
|
|
|
|
/* only local clients are allowed DRI access */
|
|
switch (stuff->data)
|
|
{
|
|
case X_XF86DRIQueryVersion:
|
|
return SProcXF86DRIQueryVersion(client);
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|