267 lines
7.6 KiB
C
267 lines
7.6 KiB
C
#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifndef _GLX_server_h_
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#define _GLX_server_h_
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/*
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** License Applicability. Except to the extent portions of this file are
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** made subject to an alternative license as permitted in the SGI Free
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** Software License B, Version 1.1 (the "License"), the contents of this
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** file are subject only to the provisions of the License. You may not use
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** this file except in compliance with the License. You may obtain a copy
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** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
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** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
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**
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** http://oss.sgi.com/projects/FreeB
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**
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** Note that, as provided in the License, the Software is distributed on an
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** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
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** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
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** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
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** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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**
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** Original Code. The Original Code is: OpenGL Sample Implementation,
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** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
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** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
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** Copyright in any portions created by third parties is as indicated
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** elsewhere herein. All Rights Reserved.
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**
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** Additional Notice Provisions: The application programming interfaces
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** established by SGI in conjunction with the Original Code are The
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** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
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** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
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** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
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** Window System(R) (Version 1.3), released October 19, 1998. This software
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** was created using the OpenGL(R) version 1.2.1 Sample Implementation
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** published by SGI, but has not been independently verified as being
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** compliant with the OpenGL(R) version 1.2.1 Specification.
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**
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*/
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/Xmd.h>
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#include <misc.h>
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#include <dixstruct.h>
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#include <pixmapstr.h>
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#include <gcstruct.h>
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#include <extnsionst.h>
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#include <resource.h>
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#include <scrnintstr.h>
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/*
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** The X header misc.h defines these math functions.
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*/
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#undef abs
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#undef fabs
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#define GL_GLEXT_PROTOTYPES /* we want prototypes */
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#include <GL/gl.h>
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#include <GL/glxproto.h>
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#include <GL/glxint.h>
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/* For glxscreens.h */
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typedef struct __GLXdrawable __GLXdrawable;
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typedef struct __GLXcontext __GLXcontext;
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#include "glxscreens.h"
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#include "glxdrawable.h"
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#include "glxcontext.h"
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#define GLX_SERVER_MAJOR_VERSION 1
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#define GLX_SERVER_MINOR_VERSION 2
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#ifndef True
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#define True 1
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#endif
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#ifndef False
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#define False 0
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#endif
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/*
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** GLX resources.
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*/
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typedef XID GLXContextID;
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typedef XID GLXPixmap;
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typedef XID GLXDrawable;
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typedef struct __GLXclientStateRec __GLXclientState;
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extern __GLXscreen *glxGetScreen(ScreenPtr pScreen);
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extern __GLXclientState *glxGetClient(ClientPtr pClient);
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/************************************************************************/
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void GlxExtensionInit(void);
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void GlxSetVisualConfigs(int nconfigs,
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__GLXvisualConfig *configs, void **privates);
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struct _glapi_table;
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void GlxSetRenderTables (struct _glapi_table *table);
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void __glXScreenInitVisuals(__GLXscreen *screen);
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/*
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** The last context used (from the server's persective) is cached.
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*/
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extern __GLXcontext *__glXLastContext;
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extern __GLXcontext *__glXForceCurrent(__GLXclientState*, GLXContextTag, int*);
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extern ClientPtr __pGlxClient;
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int __glXError(int error);
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/*
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** Macros to set, unset, and retrieve the flag that says whether a context
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** has unflushed commands.
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*/
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#define __GLX_NOTE_UNFLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_TRUE
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#define __GLX_NOTE_FLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_FALSE
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#define __GLX_HAS_UNFLUSHED_CMDS(glxc) (glxc->hasUnflushedCommands)
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/************************************************************************/
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typedef struct __GLXprovider __GLXprovider;
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struct __GLXprovider {
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__GLXscreen *(*screenProbe)(ScreenPtr pScreen);
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const char *name;
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__GLXprovider *next;
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};
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void GlxPushProvider(__GLXprovider *provider);
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enum {
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GLX_MINIMAL_VISUALS,
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GLX_TYPICAL_VISUALS,
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GLX_ALL_VISUALS
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};
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void GlxSetVisualConfig(int config);
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void __glXsetEnterLeaveServerFuncs(void (*enter)(GLboolean),
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void (*leave)(GLboolean));
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void __glXenterServer(GLboolean rendering);
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void __glXleaveServer(GLboolean rendering);
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void glxSuspendClients(void);
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void glxResumeClients(void);
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/*
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** State kept per client.
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*/
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struct __GLXclientStateRec {
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/*
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** Whether this structure is currently being used to support a client.
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*/
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Bool inUse;
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/*
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** Buffer for returned data.
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*/
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GLbyte *returnBuf;
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GLint returnBufSize;
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/*
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** Keep track of large rendering commands, which span multiple requests.
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*/
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GLint largeCmdBytesSoFar; /* bytes received so far */
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GLint largeCmdBytesTotal; /* total bytes expected */
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GLint largeCmdRequestsSoFar; /* requests received so far */
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GLint largeCmdRequestsTotal; /* total requests expected */
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GLbyte *largeCmdBuf;
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GLint largeCmdBufSize;
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/*
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** Keep a list of all the contexts that are current for this client's
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** threads.
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*/
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__GLXcontext **currentContexts;
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GLint numCurrentContexts;
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/* Back pointer to X client record */
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ClientPtr client;
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int GLClientmajorVersion;
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int GLClientminorVersion;
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char *GLClientextensions;
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};
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/************************************************************************/
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/*
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** Dispatch tables.
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*/
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typedef void (*__GLXdispatchRenderProcPtr)(GLbyte *);
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typedef int (*__GLXdispatchSingleProcPtr)(__GLXclientState *, GLbyte *);
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typedef int (*__GLXdispatchVendorPrivProcPtr)(__GLXclientState *, GLbyte *);
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/*
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* Dispatch for GLX commands.
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*/
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typedef int (*__GLXprocPtr)(__GLXclientState *, char *pc);
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/*
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* Tables for computing the size of each rendering command.
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*/
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typedef int (*gl_proto_size_func)(const GLbyte *, Bool);
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typedef struct {
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int bytes;
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gl_proto_size_func varsize;
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} __GLXrenderSizeData;
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/************************************************************************/
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/*
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** X resources.
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*/
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extern RESTYPE __glXContextRes;
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extern RESTYPE __glXClientRes;
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extern RESTYPE __glXPixmapRes;
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extern RESTYPE __glXDrawableRes;
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/************************************************************************/
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/*
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** Prototypes.
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*/
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extern char *__glXcombine_strings(const char *, const char *);
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/*
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** Routines for sending swapped replies.
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*/
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extern void __glXSwapMakeCurrentReply(ClientPtr client,
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xGLXMakeCurrentReply *reply);
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extern void __glXSwapIsDirectReply(ClientPtr client,
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xGLXIsDirectReply *reply);
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extern void __glXSwapQueryVersionReply(ClientPtr client,
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xGLXQueryVersionReply *reply);
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extern void __glXSwapQueryContextInfoEXTReply(ClientPtr client,
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xGLXQueryContextInfoEXTReply *reply,
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int *buf);
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extern void __glXSwapGetDrawableAttributesReply(ClientPtr client,
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xGLXGetDrawableAttributesReply *reply, CARD32 *buf);
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extern void glxSwapQueryExtensionsStringReply(ClientPtr client,
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xGLXQueryExtensionsStringReply *reply, char *buf);
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extern void glxSwapQueryServerStringReply(ClientPtr client,
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xGLXQueryServerStringReply *reply, char *buf);
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/*
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* Routines for computing the size of variably-sized rendering commands.
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*/
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extern int __glXTypeSize(GLenum enm);
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extern int __glXImageSize(GLenum format, GLenum type,
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GLenum target, GLsizei w, GLsizei h, GLsizei d,
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GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows,
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GLint alignment);
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#endif /* !__GLX_server_h__ */
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