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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
/* */
/* NXAGENT, NX protocol compression and NX extensions to this software */
/* are copyright of the aforementioned persons and companies. */
/* */
/* Redistribution and use of the present software is allowed according */
/* to terms specified in the file LICENSE which comes in the source */
/* distribution. */
/* */
/* All rights reserved. */
/* */
/* NOTE: This software has received contributions from various other */
/* contributors, only the core maintainers and supporters are listed as */
/* copyright holders. Please contact us, if you feel you should be listed */
/* as copyright holder, as well. */
/* */
/**************************************************************************/
/* $XFree86: xc/programs/Xserver/GL/glx/glxext.c,v 1.9 2003/09/28 20:15:43 alanh Exp $
** The contents of this file are subject to the GLX Public License Version 1.0
** (the "License"). You may not use this file except in compliance with the
** License. You may obtain a copy of the License at Silicon Graphics, Inc.,
** attn: Legal Services, 2011 N. Shoreline Blvd., Mountain View, CA 94043
** or at http://www.sgi.com/software/opensource/glx/license.html.
**
** Software distributed under the License is distributed on an "AS IS"
** basis. ALL WARRANTIES ARE DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY
** IMPLIED WARRANTIES OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
** PURPOSE OR OF NON- INFRINGEMENT. See the License for the specific
** language governing rights and limitations under the License.
**
** The Original Software is GLX version 1.2 source code, released February,
** 1999. The developer of the Original Software is Silicon Graphics, Inc.
** Those portions of the Subject Software created by Silicon Graphics, Inc.
** are Copyright (c) 1991-9 Silicon Graphics, Inc. All Rights Reserved.
**
*/
#include "../../GL/glx/glxext.c"
#include "Trap.h"
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
/*
** Top level dispatcher; all commands are executed from here down.
*/
static int __glXDispatch(ClientPtr client)
{
int result;
REQUEST(xGLXSingleReq);
CARD8 opcode;
int (*proc)(__GLXclientState *cl, GLbyte *pc);
__GLXclientState *cl;
opcode = stuff->glxCode;
cl = __glXClients[client->index];
if (!cl) {
cl = (__GLXclientState *) __glXMalloc(sizeof(__GLXclientState));
__glXClients[client->index] = cl;
if (!cl) {
return BadAlloc;
}
__glXMemset(cl, 0, sizeof(__GLXclientState));
}
if (!cl->inUse) {
/*
** This is first request from this client. Associate a resource
** with the client so we will be notified when the client dies.
*/
XID xid = FakeClientID(client->index);
if (!AddResource( xid, __glXClientRes, (void *)(long)client->index)) {
return BadAlloc;
}
ResetClientState(client->index);
cl->inUse = GL_TRUE;
cl->client = client;
}
/*
** Check for valid opcode.
*/
if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
return BadRequest;
}
/*
** If we're expecting a glXRenderLarge request, this better be one.
*/
if ((cl->largeCmdRequestsSoFar != 0) && (opcode != X_GLXRenderLarge)) {
client->errorValue = stuff->glxCode;
return __glXBadLargeRequest;
}
/*
** Use the opcode to index into the procedure table.
*/
proc = __glXSingleTable[opcode];
/*
* Report upstream that we are
* dispatching a GLX operation.
*/
nxagentGlxTrap = 1;
#ifdef TEST
fprintf(stderr, "__glXDispatch: Going to dispatch GLX operation [%d] for client [%d].\n",
opcode, client -> index);
#endif
result = (*proc)(cl, (GLbyte *) stuff);
nxagentGlxTrap = 0;
#ifdef TEST
fprintf(stderr, "__glXDispatch: Dispatched GLX operation [%d] for client [%d].\n",
opcode, client -> index);
#endif
return result;
}
static int __glXSwapDispatch(ClientPtr client)
{
int result;
REQUEST(xGLXSingleReq);
CARD8 opcode;
int (*proc)(__GLXclientState *cl, GLbyte *pc);
__GLXclientState *cl;
opcode = stuff->glxCode;
cl = __glXClients[client->index];
if (!cl) {
cl = (__GLXclientState *) __glXMalloc(sizeof(__GLXclientState));
__glXClients[client->index] = cl;
if (!cl) {
return BadAlloc;
}
__glXMemset(cl, 0, sizeof(__GLXclientState));
}
if (!cl->inUse) {
/*
** This is first request from this client. Associate a resource
** with the client so we will be notified when the client dies.
*/
XID xid = FakeClientID(client->index);
if (!AddResource( xid, __glXClientRes, (void *)(long)client->index)) {
return BadAlloc;
}
ResetClientState(client->index);
cl->inUse = GL_TRUE;
cl->client = client;
}
/*
** Check for valid opcode.
*/
if (opcode >= __GLX_SINGLE_TABLE_SIZE) {
return BadRequest;
}
/*
** Use the opcode to index into the procedure table.
*/
proc = __glXSwapSingleTable[opcode];
/*
* Report upstream that we are
* dispatching a GLX operation.
*/
nxagentGlxTrap = 1;
#ifdef TEST
fprintf(stderr, "__glXDispatch: Going to dispatch GLX operation [%d] for client [%d].\n",
opcode, client -> index);
#endif
result = (*proc)(cl, (GLbyte *) stuff);
nxagentGlxTrap = 0;
#ifdef TEST
fprintf(stderr, "__glXDispatch: Dispatched GLX operation [%d] for client [%d].\n",
opcode, client -> index);
#endif
return result;
}
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