4abd00dab7
The previous scheme didn't work when the client didn't create the core drawable, e.g. the root or composite overlay window. Use refcounting via special client resources to fix that.
258 lines
7.4 KiB
C
258 lines
7.4 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 **__glXActiveScreens;
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extern GLint __glXNumActiveScreens;
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extern __GLXscreen *__glXgetActiveScreen(int num);
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/************************************************************************/
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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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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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