diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXglxext.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXglxext.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c b/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c new file mode 100644 index 000000000..5512cae1b --- /dev/null +++ b/nx-X11/programs/Xserver/hw/nxagent/NXglxext.c @@ -0,0 +1,204 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + +/* +** 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 *) malloc(sizeof(__GLXclientState)); + __glXClients[client->index] = cl; + if (!cl) { + return BadAlloc; + } + memset(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 *) malloc(sizeof(__GLXclientState)); + __glXClients[client->index] = cl; + if (!cl) { + return BadAlloc; + } + memset(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; +} |