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Diffstat (limited to 'xorg-server/glx/glxserver.h')
| -rw-r--r-- | xorg-server/glx/glxserver.h | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/xorg-server/glx/glxserver.h b/xorg-server/glx/glxserver.h new file mode 100644 index 000000000..518868981 --- /dev/null +++ b/xorg-server/glx/glxserver.h @@ -0,0 +1,266 @@ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _GLX_server_h_ +#define _GLX_server_h_ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 1.1 (the "License"), the contents of this +** file are subject only to the provisions of 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, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +*/ + +#include <X11/X.h> +#include <X11/Xproto.h> +#include <X11/Xmd.h> +#include <misc.h> +#include <dixstruct.h> +#include <pixmapstr.h> +#include <gcstruct.h> +#include <extnsionst.h> +#include <resource.h> +#include <scrnintstr.h> + +/* +** The X header misc.h defines these math functions. +*/ +#undef abs +#undef fabs + +#define GL_GLEXT_PROTOTYPES /* we want prototypes */ +#include <GL/gl.h> +#include <GL/glxproto.h> +#include <GL/glxint.h> + +/* For glxscreens.h */ +typedef struct __GLXdrawable __GLXdrawable; +typedef struct __GLXcontext __GLXcontext; + +#include "glxscreens.h" +#include "glxdrawable.h" +#include "glxcontext.h" + + +#define GLX_SERVER_MAJOR_VERSION 1 +#define GLX_SERVER_MINOR_VERSION 2 + +#ifndef True +#define True 1 +#endif +#ifndef False +#define False 0 +#endif + +/* +** GLX resources. +*/ +typedef XID GLXContextID; +typedef XID GLXPixmap; +typedef XID GLXDrawable; + +typedef struct __GLXclientStateRec __GLXclientState; + +extern __GLXscreen *glxGetScreen(ScreenPtr pScreen); +extern __GLXclientState *glxGetClient(ClientPtr pClient); + +/************************************************************************/ + +void GlxExtensionInit(void); + +void GlxSetVisualConfigs(int nconfigs, + __GLXvisualConfig *configs, void **privates); + +struct _glapi_table; +void GlxSetRenderTables (struct _glapi_table *table); + +void __glXScreenInitVisuals(__GLXscreen *screen); + +/* +** The last context used (from the server's persective) is cached. +*/ +extern __GLXcontext *__glXLastContext; +extern __GLXcontext *__glXForceCurrent(__GLXclientState*, GLXContextTag, int*); + +extern ClientPtr __pGlxClient; + +int __glXError(int error); + +/* +** Macros to set, unset, and retrieve the flag that says whether a context +** has unflushed commands. +*/ +#define __GLX_NOTE_UNFLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_TRUE +#define __GLX_NOTE_FLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_FALSE +#define __GLX_HAS_UNFLUSHED_CMDS(glxc) (glxc->hasUnflushedCommands) + +/************************************************************************/ + +typedef struct __GLXprovider __GLXprovider; +struct __GLXprovider { + __GLXscreen *(*screenProbe)(ScreenPtr pScreen); + const char *name; + __GLXprovider *next; +}; + +void GlxPushProvider(__GLXprovider *provider); + +enum { + GLX_MINIMAL_VISUALS, + GLX_TYPICAL_VISUALS, + GLX_ALL_VISUALS +}; + +void GlxSetVisualConfig(int config); + +void __glXsetEnterLeaveServerFuncs(void (*enter)(GLboolean), + void (*leave)(GLboolean)); +void __glXenterServer(GLboolean rendering); +void __glXleaveServer(GLboolean rendering); + +void glxSuspendClients(void); +void glxResumeClients(void); + +/* +** State kept per client. +*/ +struct __GLXclientStateRec { + /* + ** Whether this structure is currently being used to support a client. + */ + Bool inUse; + + /* + ** Buffer for returned data. + */ + GLbyte *returnBuf; + GLint returnBufSize; + + /* + ** Keep track of large rendering commands, which span multiple requests. + */ + GLint largeCmdBytesSoFar; /* bytes received so far */ + GLint largeCmdBytesTotal; /* total bytes expected */ + GLint largeCmdRequestsSoFar; /* requests received so far */ + GLint largeCmdRequestsTotal; /* total requests expected */ + GLbyte *largeCmdBuf; + GLint largeCmdBufSize; + + /* + ** Keep a list of all the contexts that are current for this client's + ** threads. + */ + __GLXcontext **currentContexts; + GLint numCurrentContexts; + + /* Back pointer to X client record */ + ClientPtr client; + + int GLClientmajorVersion; + int GLClientminorVersion; + char *GLClientextensions; +}; + +/************************************************************************/ + +/* +** Dispatch tables. +*/ +typedef void (*__GLXdispatchRenderProcPtr)(GLbyte *); +typedef int (*__GLXdispatchSingleProcPtr)(__GLXclientState *, GLbyte *); +typedef int (*__GLXdispatchVendorPrivProcPtr)(__GLXclientState *, GLbyte *); + +/* + * Dispatch for GLX commands. + */ +typedef int (*__GLXprocPtr)(__GLXclientState *, char *pc); + +/* + * Tables for computing the size of each rendering command. + */ +typedef int (*gl_proto_size_func)(const GLbyte *, Bool); + +typedef struct { + int bytes; + gl_proto_size_func varsize; +} __GLXrenderSizeData; + +/************************************************************************/ + +/* +** X resources. +*/ +extern RESTYPE __glXContextRes; +extern RESTYPE __glXClientRes; +extern RESTYPE __glXPixmapRes; +extern RESTYPE __glXDrawableRes; + +/************************************************************************/ + +/* +** Prototypes. +*/ + +extern char *__glXcombine_strings(const char *, const char *); + +/* +** Routines for sending swapped replies. +*/ + +extern void __glXSwapMakeCurrentReply(ClientPtr client, + xGLXMakeCurrentReply *reply); +extern void __glXSwapIsDirectReply(ClientPtr client, + xGLXIsDirectReply *reply); +extern void __glXSwapQueryVersionReply(ClientPtr client, + xGLXQueryVersionReply *reply); +extern void __glXSwapQueryContextInfoEXTReply(ClientPtr client, + xGLXQueryContextInfoEXTReply *reply, + int *buf); +extern void __glXSwapGetDrawableAttributesReply(ClientPtr client, + xGLXGetDrawableAttributesReply *reply, CARD32 *buf); +extern void glxSwapQueryExtensionsStringReply(ClientPtr client, + xGLXQueryExtensionsStringReply *reply, char *buf); +extern void glxSwapQueryServerStringReply(ClientPtr client, + xGLXQueryServerStringReply *reply, char *buf); + + +/* + * Routines for computing the size of variably-sized rendering commands. + */ + +extern int __glXTypeSize(GLenum enm); +extern int __glXImageSize(GLenum format, GLenum type, + GLenum target, GLsizei w, GLsizei h, GLsizei d, + GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows, + GLint alignment); + +#endif /* !__GLX_server_h__ */ |