8033fb6c97
TryClientEvents already did this; this commit just moves the assignment one level down so that no event source has to worry about sequence numbers. ...No event source, that is, except XKB, which inexplicably calls WriteToClient directly for several events. Signed-off-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Julien Cristau <jcristau@debian.org> Reviewed-by: Adam Jackson <ajax@redhat.com>
424 lines
11 KiB
C
424 lines
11 KiB
C
/**************************************************************************
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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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Copyright (c) 2002, 2009 Apple Computer, 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@valinux.com>
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* Rickard E. (Rik) Faith <faith@valinux.com>
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*
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/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 _APPLEDRI_SERVER_
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#include "appledristr.h"
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#include "swaprep.h"
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#include "dri.h"
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#include "dristruct.h"
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#include "xpr.h"
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#include "x-hash.h"
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#include "protocol-versions.h"
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static int DRIErrorBase = 0;
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static DISPATCH_PROC(ProcAppleDRIDispatch);
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static DISPATCH_PROC(SProcAppleDRIDispatch);
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static void AppleDRIResetProc(ExtensionEntry* extEntry);
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static int ProcAppleDRICreatePixmap(ClientPtr client);
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static unsigned char DRIReqCode = 0;
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static int DRIEventBase = 0;
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static void SNotifyEvent(xAppleDRINotifyEvent *from, xAppleDRINotifyEvent *to);
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typedef struct _DRIEvent *DRIEventPtr;
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typedef struct _DRIEvent {
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DRIEventPtr next;
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ClientPtr client;
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XID clientResource;
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unsigned int mask;
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} DRIEventRec;
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void
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AppleDRIExtensionInit(void)
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{
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ExtensionEntry* extEntry;
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if (DRIExtensionInit() &&
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(extEntry = AddExtension(APPLEDRINAME,
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AppleDRINumberEvents,
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AppleDRINumberErrors,
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ProcAppleDRIDispatch,
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SProcAppleDRIDispatch,
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AppleDRIResetProc,
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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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DRIEventBase = extEntry->eventBase;
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EventSwapVector[DRIEventBase] = (EventSwapPtr) SNotifyEvent;
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}
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}
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/*ARGSUSED*/
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static void
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AppleDRIResetProc (
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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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ProcAppleDRIQueryVersion(
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register ClientPtr client
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)
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{
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xAppleDRIQueryVersionReply rep;
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register int n;
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REQUEST_SIZE_MATCH(xAppleDRIQueryVersionReq);
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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 = SERVER_APPLEDRI_MAJOR_VERSION;
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rep.minorVersion = SERVER_APPLEDRI_MINOR_VERSION;
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rep.patchVersion = SERVER_APPLEDRI_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(xAppleDRIQueryVersionReply), (char *)&rep);
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return Success;
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}
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/* surfaces */
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static int
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ProcAppleDRIQueryDirectRenderingCapable(
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register ClientPtr client
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)
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{
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xAppleDRIQueryDirectRenderingCapableReply rep;
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Bool isCapable;
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REQUEST(xAppleDRIQueryDirectRenderingCapableReq);
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REQUEST_SIZE_MATCH(xAppleDRIQueryDirectRenderingCapableReq);
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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(xAppleDRIQueryDirectRenderingCapableReply), (char *)&rep);
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return Success;
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}
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static int
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ProcAppleDRIAuthConnection(
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register ClientPtr client
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)
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{
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xAppleDRIAuthConnectionReply rep;
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REQUEST(xAppleDRIAuthConnectionReq);
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REQUEST_SIZE_MATCH(xAppleDRIAuthConnectionReq);
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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 %u\n", (unsigned int)stuff->magic);
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rep.authenticated = 0;
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}
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WriteToClient(client, sizeof(xAppleDRIAuthConnectionReply), (char *)&rep);
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return Success;
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}
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static void surface_notify(
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void *_arg,
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void *data
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)
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{
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DRISurfaceNotifyArg *arg = _arg;
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int client_index = (int) x_cvt_vptr_to_uint(data);
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xAppleDRINotifyEvent se;
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if (client_index < 0 || client_index >= currentMaxClients)
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return;
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se.type = DRIEventBase + AppleDRISurfaceNotify;
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se.kind = arg->kind;
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se.arg = arg->id;
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se.time = currentTime.milliseconds;
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WriteEventsToClient (clients[client_index], 1, (xEvent *) &se);
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}
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static int
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ProcAppleDRICreateSurface(
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ClientPtr client
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)
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{
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xAppleDRICreateSurfaceReply rep;
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DrawablePtr pDrawable;
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xp_surface_id sid;
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unsigned int key[2];
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int rc;
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REQUEST(xAppleDRICreateSurfaceReq);
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REQUEST_SIZE_MATCH(xAppleDRICreateSurfaceReq);
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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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rep.key_0 = rep.key_1 = rep.uid = 0;
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if (!DRICreateSurface( screenInfo.screens[stuff->screen],
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(Drawable)stuff->drawable, pDrawable,
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stuff->client_id, &sid, key,
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surface_notify,
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x_cvt_uint_to_vptr(client->index))) {
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return BadValue;
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}
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rep.key_0 = key[0];
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rep.key_1 = key[1];
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rep.uid = sid;
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WriteToClient(client, sizeof(xAppleDRICreateSurfaceReply), (char *)&rep);
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return Success;
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}
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static int
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ProcAppleDRIDestroySurface(
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register ClientPtr client
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)
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{
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int rc;
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REQUEST(xAppleDRIDestroySurfaceReq);
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DrawablePtr pDrawable;
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REQUEST_SIZE_MATCH(xAppleDRIDestroySurfaceReq);
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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 (!DRIDestroySurface( screenInfo.screens[stuff->screen],
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(Drawable)stuff->drawable,
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pDrawable, NULL, NULL)) {
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return BadValue;
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}
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return Success;
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}
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static int
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ProcAppleDRICreatePixmap(ClientPtr client)
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{
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REQUEST(xAppleDRICreatePixmapReq);
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DrawablePtr pDrawable;
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int rc;
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char path[PATH_MAX];
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xAppleDRICreatePixmapReply rep;
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int width, height, pitch, bpp;
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void *ptr;
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REQUEST_SIZE_MATCH(xAppleDRICreatePixmapReq);
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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(!DRICreatePixmap(screenInfo.screens[stuff->screen],
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(Drawable)stuff->drawable,
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pDrawable,
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path, PATH_MAX)) {
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return BadValue;
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}
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if(!DRIGetPixmapData(pDrawable, &width, &height,
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&pitch, &bpp, &ptr)) {
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return BadValue;
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}
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rep.stringLength = strlen(path) + 1;
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/* No need for swapping, because this only runs if LocalClient is true. */
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rep.type = X_Reply;
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rep.length = sizeof(rep) + rep.stringLength;
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rep.sequenceNumber = client->sequence;
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rep.width = width;
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rep.height = height;
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rep.pitch = pitch;
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rep.bpp = bpp;
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rep.size = pitch * height;
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if(sizeof(rep) != sz_xAppleDRICreatePixmapReply)
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ErrorF("error sizeof(rep) is %zu\n", sizeof(rep));
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WriteReplyToClient(client, sizeof(rep), &rep);
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(void)WriteToClient(client, rep.stringLength, path);
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return Success;
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}
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static int
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ProcAppleDRIDestroyPixmap(ClientPtr client)
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{
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DrawablePtr pDrawable;
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int rc;
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REQUEST(xAppleDRIDestroyPixmapReq);
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REQUEST_SIZE_MATCH(xAppleDRIDestroyPixmapReq);
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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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DRIDestroyPixmap(pDrawable);
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return Success;
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}
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/* dispatch */
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static int
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ProcAppleDRIDispatch (
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register ClientPtr client
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)
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{
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REQUEST(xReq);
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switch (stuff->data)
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{
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case X_AppleDRIQueryVersion:
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return ProcAppleDRIQueryVersion(client);
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case X_AppleDRIQueryDirectRenderingCapable:
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return ProcAppleDRIQueryDirectRenderingCapable(client);
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}
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if (!LocalClient(client))
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return DRIErrorBase + AppleDRIClientNotLocal;
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switch (stuff->data)
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{
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case X_AppleDRIAuthConnection:
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return ProcAppleDRIAuthConnection(client);
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case X_AppleDRICreateSurface:
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return ProcAppleDRICreateSurface(client);
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case X_AppleDRIDestroySurface:
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return ProcAppleDRIDestroySurface(client);
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case X_AppleDRICreatePixmap:
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return ProcAppleDRICreatePixmap(client);
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case X_AppleDRIDestroyPixmap:
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return ProcAppleDRIDestroyPixmap(client);
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default:
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return BadRequest;
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}
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}
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static void
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SNotifyEvent(
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xAppleDRINotifyEvent *from,
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xAppleDRINotifyEvent *to
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)
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{
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to->type = from->type;
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to->kind = from->kind;
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cpswaps (from->sequenceNumber, to->sequenceNumber);
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cpswapl (from->time, to->time);
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cpswapl (from->arg, to->arg);
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}
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static int
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SProcAppleDRIQueryVersion(
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register ClientPtr client
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)
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{
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register int n;
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REQUEST(xAppleDRIQueryVersionReq);
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swaps(&stuff->length, n);
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return ProcAppleDRIQueryVersion(client);
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}
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static int
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SProcAppleDRIDispatch (
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register ClientPtr client
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)
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{
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REQUEST(xReq);
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/* It is bound to be non-local when there is byte swapping */
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if (!LocalClient(client))
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return DRIErrorBase + AppleDRIClientNotLocal;
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/* only local clients are allowed DRI access */
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switch (stuff->data)
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{
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case X_AppleDRIQueryVersion:
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return SProcAppleDRIQueryVersion(client);
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default:
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return BadRequest;
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}
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}
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