glxclient.h revision df04ffbf025994abd59e26c8439e77bb340ef20b
1/* 2** License Applicability. Except to the extent portions of this file are 3** made subject to an alternative license as permitted in the SGI Free 4** Software License B, Version 1.1 (the "License"), the contents of this 5** file are subject only to the provisions of the License. You may not use 6** this file except in compliance with the License. You may obtain a copy 7** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 8** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: 9** 10** http://oss.sgi.com/projects/FreeB 11** 12** Note that, as provided in the License, the Software is distributed on an 13** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS 14** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND 15** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A 16** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. 17** 18** Original Code. The Original Code is: OpenGL Sample Implementation, 19** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, 20** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. 21** Copyright in any portions created by third parties is as indicated 22** elsewhere herein. All Rights Reserved. 23** 24** Additional Notice Provisions: The application programming interfaces 25** established by SGI in conjunction with the Original Code are The 26** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released 27** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version 28** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X 29** Window System(R) (Version 1.3), released October 19, 1998. This software 30** was created using the OpenGL(R) version 1.2.1 Sample Implementation 31** published by SGI, but has not been independently verified as being 32** compliant with the OpenGL(R) version 1.2.1 Specification. 33*/ 34/* $XFree86: xc/lib/GL/glx/glxclient.h,v 1.21 2004/02/09 23:46:31 alanh Exp $ */ 35 36/** 37 * \file glxclient.h 38 * Direct rendering support added by Precision Insight, Inc. 39 * 40 * \author Kevin E. Martin <kevin@precisioninsight.com> 41 */ 42 43#ifndef _GLX_client_h_ 44#define _GLX_client_h_ 45#define NEED_REPLIES 46#define NEED_EVENTS 47#include <X11/Xproto.h> 48#include <X11/Xlibint.h> 49#define GLX_GLXEXT_PROTOTYPES 50#include <GL/glx.h> 51#include <GL/glxext.h> 52#include <string.h> 53#include <stdlib.h> 54#include <stdio.h> 55#ifdef WIN32 56#include <stdint.h> 57#endif 58#include "GL/glxint.h" 59#include "GL/glxproto.h" 60#include "GL/internal/glcore.h" 61#include "glapitable.h" 62#include "glxhash.h" 63#if defined( USE_XTHREADS ) 64# include <X11/Xthreads.h> 65#elif defined( PTHREADS ) 66# include <pthread.h> 67#endif 68 69#define GLX_MAJOR_VERSION 1 /* current version numbers */ 70#define GLX_MINOR_VERSION 4 71 72#define __GLX_MAX_TEXTURE_UNITS 32 73 74typedef struct __GLXscreenConfigsRec __GLXscreenConfigs; 75typedef struct __GLXcontextRec __GLXcontext; 76typedef struct __GLXdrawableRec __GLXdrawable; 77typedef struct __GLXdisplayPrivateRec __GLXdisplayPrivate; 78typedef struct _glapi_table __GLapi; 79 80/************************************************************************/ 81 82#ifdef GLX_DIRECT_RENDERING 83 84#define containerOf(ptr, type, member) \ 85 (type *)( (char *)ptr - offsetof(type,member) ) 86 87#include <GL/internal/dri_interface.h> 88 89 90/** 91 * Display dependent methods. This structure is initialized during the 92 * \c driCreateDisplay call. 93 */ 94typedef struct __GLXDRIdisplayRec __GLXDRIdisplay; 95typedef struct __GLXDRIscreenRec __GLXDRIscreen; 96typedef struct __GLXDRIdrawableRec __GLXDRIdrawable; 97typedef struct __GLXDRIcontextRec __GLXDRIcontext; 98 99#include "glxextensions.h" 100 101struct __GLXDRIdisplayRec { 102 /** 103 * Method to destroy the private DRI display data. 104 */ 105 void (*destroyDisplay)(__GLXDRIdisplay *display); 106 107 __GLXDRIscreen *(*createScreen)(__GLXscreenConfigs *psc, int screen, 108 __GLXdisplayPrivate *priv); 109}; 110 111struct __GLXDRIscreenRec { 112 113 void (*destroyScreen)(__GLXscreenConfigs *psc); 114 115 __GLXDRIcontext *(*createContext)(__GLXscreenConfigs *psc, 116 const __GLcontextModes *mode, 117 GLXContext gc, 118 GLXContext shareList, int renderType); 119 120 __GLXDRIdrawable *(*createDrawable)(__GLXscreenConfigs *psc, 121 XID drawable, 122 GLXDrawable glxDrawable, 123 const __GLcontextModes *modes); 124}; 125 126struct __GLXDRIcontextRec { 127 void (*destroyContext)(__GLXDRIcontext *context, __GLXscreenConfigs *psc, 128 Display *dpy); 129 Bool (*bindContext)(__GLXDRIcontext *context, 130 __GLXDRIdrawable *pdraw, 131 __GLXDRIdrawable *pread); 132 133 void (*unbindContext)(__GLXDRIcontext *context); 134}; 135 136struct __GLXDRIdrawableRec { 137 void (*destroyDrawable)(__GLXDRIdrawable *drawable); 138 139 XID xDrawable; 140 XID drawable; 141 __GLXscreenConfigs *psc; 142 __DRIdrawable *driDrawable; 143 GLenum textureTarget; 144}; 145 146/* 147** Function to create and DRI display data and initialize the display 148** dependent methods. 149*/ 150extern __GLXDRIdisplay *driCreateDisplay(Display *dpy); 151extern __GLXDRIdisplay *dri2CreateDisplay(Display *dpy); 152 153extern void DRI_glXUseXFont( Font font, int first, int count, int listbase ); 154 155/* 156** Functions to obtain driver configuration information from a direct 157** rendering client application 158*/ 159extern const char *glXGetScreenDriver (Display *dpy, int scrNum); 160 161extern const char *glXGetDriverConfig (const char *driverName); 162 163#endif 164 165/************************************************************************/ 166 167#define __GL_CLIENT_ATTRIB_STACK_DEPTH 16 168 169typedef struct __GLXpixelStoreModeRec { 170 GLboolean swapEndian; 171 GLboolean lsbFirst; 172 GLuint rowLength; 173 GLuint imageHeight; 174 GLuint imageDepth; 175 GLuint skipRows; 176 GLuint skipPixels; 177 GLuint skipImages; 178 GLuint alignment; 179} __GLXpixelStoreMode; 180 181 182typedef struct __GLXattributeRec { 183 GLuint mask; 184 185 /** 186 * Pixel storage state. Most of the pixel store mode state is kept 187 * here and used by the client code to manage the packing and 188 * unpacking of data sent to/received from the server. 189 */ 190 __GLXpixelStoreMode storePack, storeUnpack; 191 192 /** 193 * Is EXT_vertex_array / GL 1.1 DrawArrays protocol specifically 194 * disabled? 195 */ 196 GLboolean NoDrawArraysProtocol; 197 198 /** 199 * Vertex Array storage state. The vertex array component 200 * state is stored here and is used to manage the packing of 201 * DrawArrays data sent to the server. 202 */ 203 struct array_state_vector * array_state; 204} __GLXattribute; 205 206typedef struct __GLXattributeMachineRec { 207 __GLXattribute *stack[__GL_CLIENT_ATTRIB_STACK_DEPTH]; 208 __GLXattribute **stackPointer; 209} __GLXattributeMachine; 210 211/** 212 * GLX state that needs to be kept on the client. One of these records 213 * exist for each context that has been made current by this client. 214 */ 215struct __GLXcontextRec { 216 /** 217 * \name Drawing command buffer. 218 * 219 * Drawing commands are packed into this buffer before being sent as a 220 * single GLX protocol request. The buffer is sent when it overflows or 221 * is flushed by \c __glXFlushRenderBuffer. \c pc is the next location 222 * in the buffer to be filled. \c limit is described above in the buffer 223 * slop discussion. 224 * 225 * Commands that require large amounts of data to be transfered will 226 * also use this buffer to hold a header that describes the large 227 * command. 228 * 229 * These must be the first 6 fields since they are static initialized 230 * in the dummy context in glxext.c 231 */ 232 /*@{*/ 233 GLubyte *buf; 234 GLubyte *pc; 235 GLubyte *limit; 236 GLubyte *bufEnd; 237 GLint bufSize; 238 /*@}*/ 239 240 /** 241 * The XID of this rendering context. When the context is created a 242 * new XID is allocated. This is set to None when the context is 243 * destroyed but is still current to some thread. In this case the 244 * context will be freed on next MakeCurrent. 245 */ 246 XID xid; 247 248 /** 249 * The XID of the \c shareList context. 250 */ 251 XID share_xid; 252 253 /** 254 * Screen number. 255 */ 256 GLint screen; 257 __GLXscreenConfigs *psc; 258 259 /** 260 * \c GL_TRUE if the context was created with ImportContext, which 261 * means the server-side context was created by another X client. 262 */ 263 GLboolean imported; 264 265 /** 266 * The context tag returned by MakeCurrent when this context is made 267 * current. This tag is used to identify the context that a thread has 268 * current so that proper server context management can be done. It is 269 * used for all context specific commands (i.e., \c Render, \c RenderLarge, 270 * \c WaitX, \c WaitGL, \c UseXFont, and \c MakeCurrent (for the old 271 * context)). 272 */ 273 GLXContextTag currentContextTag; 274 275 /** 276 * \name Rendering mode 277 * 278 * The rendering mode is kept on the client as well as the server. 279 * When \c glRenderMode is called, the buffer associated with the 280 * previous rendering mode (feedback or select) is filled. 281 */ 282 /*@{*/ 283 GLenum renderMode; 284 GLfloat *feedbackBuf; 285 GLuint *selectBuf; 286 /*@}*/ 287 288 /** 289 * This is \c GL_TRUE if the pixel unpack modes are such that an image 290 * can be unpacked from the clients memory by just copying. It may 291 * still be true that the server will have to do some work. This 292 * just promises that a straight copy will fetch the correct bytes. 293 */ 294 GLboolean fastImageUnpack; 295 296 /** 297 * Fill newImage with the unpacked form of \c oldImage getting it 298 * ready for transport to the server. 299 */ 300 void (*fillImage)(__GLXcontext*, GLint, GLint, GLint, GLint, GLenum, 301 GLenum, const GLvoid*, GLubyte*, GLubyte*); 302 303 /** 304 * Client side attribs. 305 */ 306 __GLXattributeMachine attributes; 307 308 /** 309 * Client side error code. This is set when client side gl API 310 * routines need to set an error because of a bad enumerant or 311 * running out of memory, etc. 312 */ 313 GLenum error; 314 315 /** 316 * Whether this context does direct rendering. 317 */ 318 Bool isDirect; 319 320 /** 321 * \c dpy of current display for this context. Will be \c NULL if not 322 * current to any display, or if this is the "dummy context". 323 */ 324 Display *currentDpy; 325 326 /** 327 * The current drawable for this context. Will be None if this 328 * context is not current to any drawable. currentReadable is below. 329 */ 330 GLXDrawable currentDrawable; 331 332 /** 333 * \name GL Constant Strings 334 * 335 * Constant strings that describe the server implementation 336 * These pertain to GL attributes, not to be confused with 337 * GLX versioning attributes. 338 */ 339 /*@{*/ 340 GLubyte *vendor; 341 GLubyte *renderer; 342 GLubyte *version; 343 GLubyte *extensions; 344 /*@}*/ 345 346 /** 347 * Record the dpy this context was created on for later freeing 348 */ 349 Display *createDpy; 350 351 /** 352 * Maximum small render command size. This is the smaller of 64k and 353 * the size of the above buffer. 354 */ 355 GLint maxSmallRenderCommandSize; 356 357 /** 358 * Major opcode for the extension. Copied here so a lookup isn't 359 * needed. 360 */ 361 GLint majorOpcode; 362 363 /** 364 * Pointer to the mode used to create this context. 365 */ 366 const __GLcontextModes * mode; 367 368#ifdef GLX_DIRECT_RENDERING 369 __GLXDRIcontext *driContext; 370 __DRIcontext *__driContext; 371#endif 372 373 /** 374 * The current read-drawable for this context. Will be None if this 375 * context is not current to any drawable. 376 * 377 * \since Internal API version 20030606. 378 */ 379 GLXDrawable currentReadable; 380 381 /** 382 * Pointer to client-state data that is private to libGL. This is only 383 * used for indirect rendering contexts. 384 * 385 * No internal API version change was made for this change. Client-side 386 * drivers should NEVER use this data or even care that it exists. 387 */ 388 void * client_state_private; 389 390 /** 391 * Stored value for \c glXQueryContext attribute \c GLX_RENDER_TYPE. 392 */ 393 int renderType; 394 395 /** 396 * \name Raw server GL version 397 * 398 * True core GL version supported by the server. This is the raw value 399 * returned by the server, and it may not reflect what is actually 400 * supported (or reported) by the client-side library. 401 */ 402 /*@{*/ 403 int server_major; /**< Major version number. */ 404 int server_minor; /**< Minor version number. */ 405 /*@}*/ 406 407 char gl_extension_bits[ __GL_EXT_BYTES ]; 408}; 409 410#define __glXSetError(gc,code) \ 411 if (!(gc)->error) { \ 412 (gc)->error = code; \ 413 } 414 415extern void __glFreeAttributeState(__GLXcontext *); 416 417/************************************************************************/ 418 419/** 420 * The size of the largest drawing command known to the implementation 421 * that will use the GLXRender GLX command. In this case it is 422 * \c glPolygonStipple. 423 */ 424#define __GLX_MAX_SMALL_RENDER_CMD_SIZE 156 425 426/** 427 * To keep the implementation fast, the code uses a "limit" pointer 428 * to determine when the drawing command buffer is too full to hold 429 * another fixed size command. This constant defines the amount of 430 * space that must always be available in the drawing command buffer 431 * at all times for the implementation to work. It is important that 432 * the number be just large enough, but not so large as to reduce the 433 * efficacy of the buffer. The "+32" is just to keep the code working 434 * in case somebody counts wrong. 435 */ 436#define __GLX_BUFFER_LIMIT_SIZE (__GLX_MAX_SMALL_RENDER_CMD_SIZE + 32) 437 438/** 439 * This implementation uses a smaller threshold for switching 440 * to the RenderLarge protocol than the protcol requires so that 441 * large copies don't occur. 442 */ 443#define __GLX_RENDER_CMD_SIZE_LIMIT 4096 444 445/** 446 * One of these records exists per screen of the display. It contains 447 * a pointer to the config data for that screen (if the screen supports GL). 448 */ 449struct __GLXscreenConfigsRec { 450 /** 451 * GLX extension string reported by the X-server. 452 */ 453 const char *serverGLXexts; 454 455 /** 456 * GLX extension string to be reported to applications. This is the 457 * set of extensions that the application can actually use. 458 */ 459 char *effectiveGLXexts; 460 461#ifdef GLX_DIRECT_RENDERING 462 /** 463 * Per screen direct rendering interface functions and data. 464 */ 465 __DRIscreen *__driScreen; 466 const __DRIcoreExtension *core; 467 const __DRIlegacyExtension *legacy; 468 __glxHashTable *drawHash; 469 Display *dpy; 470 int scr, fd; 471 void *driver; 472 473 __GLXDRIscreen *driScreen; 474 475#ifdef __DRI_COPY_SUB_BUFFER 476 const __DRIcopySubBufferExtension *copySubBuffer; 477#endif 478 479#ifdef __DRI_SWAP_CONTROL 480 const __DRIswapControlExtension *swapControl; 481#endif 482 483#ifdef __DRI_ALLOCATE 484 const __DRIallocateExtension *allocate; 485#endif 486 487#ifdef __DRI_FRAME_TRACKING 488 const __DRIframeTrackingExtension *frameTracking; 489#endif 490 491#ifdef __DRI_MEDIA_STREAM_COUNTER 492 const __DRImediaStreamCounterExtension *msc; 493#endif 494 495#ifdef __DRI_TEX_BUFFER 496 const __DRItexBufferExtension *texBuffer; 497#endif 498 499#endif 500 501 /** 502 * Linked list of glx visuals and fbconfigs for this screen. 503 */ 504 __GLcontextModes *visuals, *configs; 505 506 /** 507 * Per-screen dynamic GLX extension tracking. The \c direct_support 508 * field only contains enough bits for 64 extensions. Should libGL 509 * ever need to track more than 64 GLX extensions, we can safely grow 510 * this field. The \c __GLXscreenConfigs structure is not used outside 511 * libGL. 512 */ 513 /*@{*/ 514 unsigned char direct_support[8]; 515 GLboolean ext_list_first_time; 516 /*@}*/ 517 518}; 519 520/** 521 * Per display private data. One of these records exists for each display 522 * that is using the OpenGL (GLX) extension. 523 */ 524struct __GLXdisplayPrivateRec { 525 /** 526 * Back pointer to the display 527 */ 528 Display *dpy; 529 530 /** 531 * The \c majorOpcode is common to all connections to the same server. 532 * It is also copied into the context structure. 533 */ 534 int majorOpcode; 535 536 /** 537 * \name Server Version 538 * 539 * Major and minor version returned by the server during initialization. 540 */ 541 /*@{*/ 542 int majorVersion, minorVersion; 543 /*@}*/ 544 545 /** 546 * \name Storage for the servers GLX vendor and versions strings. 547 * 548 * These are the same for all screens on this display. These fields will 549 * be filled in on demand. 550 */ 551 /*@{*/ 552 const char *serverGLXvendor; 553 const char *serverGLXversion; 554 /*@}*/ 555 556 /** 557 * Configurations of visuals for all screens on this display. 558 * Also, per screen data which now includes the server \c GLX_EXTENSION 559 * string. 560 */ 561 __GLXscreenConfigs *screenConfigs; 562 563#ifdef GLX_DIRECT_RENDERING 564 /** 565 * Per display direct rendering interface functions and data. 566 */ 567 __GLXDRIdisplay *driDisplay; 568 __GLXDRIdisplay *dri2Display; 569#endif 570}; 571 572 573extern GLubyte *__glXFlushRenderBuffer(__GLXcontext*, GLubyte*); 574 575extern void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber, 576 GLint totalRequests, 577 const GLvoid * data, GLint dataLen); 578 579extern void __glXSendLargeCommand(__GLXcontext *, const GLvoid *, GLint, 580 const GLvoid *, GLint); 581 582/* Initialize the GLX extension for dpy */ 583extern __GLXdisplayPrivate *__glXInitialize(Display*); 584 585/************************************************************************/ 586 587extern int __glXDebug; 588 589/* This is per-thread storage in an MT environment */ 590#if defined( USE_XTHREADS ) || defined( PTHREADS ) 591 592extern void __glXSetCurrentContext(__GLXcontext *c); 593 594# if defined( GLX_USE_TLS ) 595 596extern __thread void * __glX_tls_Context 597 __attribute__((tls_model("initial-exec"))); 598 599# define __glXGetCurrentContext() __glX_tls_Context 600 601# else 602 603extern __GLXcontext *__glXGetCurrentContext(void); 604 605# endif /* defined( GLX_USE_TLS ) */ 606 607#else 608 609extern __GLXcontext *__glXcurrentContext; 610#define __glXGetCurrentContext() __glXcurrentContext 611#define __glXSetCurrentContext(gc) __glXcurrentContext = gc 612 613#endif /* defined( USE_XTHREADS ) || defined( PTHREADS ) */ 614 615extern void __glXSetCurrentContextNull(void); 616 617extern void __glXFreeContext(__GLXcontext*); 618 619 620/* 621** Global lock for all threads in this address space using the GLX 622** extension 623*/ 624#if defined( USE_XTHREADS ) 625extern xmutex_rec __glXmutex; 626#define __glXLock() xmutex_lock(&__glXmutex) 627#define __glXUnlock() xmutex_unlock(&__glXmutex) 628#elif defined( PTHREADS ) 629extern pthread_mutex_t __glXmutex; 630#define __glXLock() pthread_mutex_lock(&__glXmutex) 631#define __glXUnlock() pthread_mutex_unlock(&__glXmutex) 632#else 633#define __glXLock() 634#define __glXUnlock() 635#endif 636 637/* 638** Setup for a command. Initialize the extension for dpy if necessary. 639*/ 640extern CARD8 __glXSetupForCommand(Display *dpy); 641 642/************************************************************************/ 643 644/* 645** Data conversion and packing support. 646*/ 647 648extern const GLuint __glXDefaultPixelStore[9]; 649 650/* Send an image to the server using RenderLarge. */ 651extern void __glXSendLargeImage(__GLXcontext *gc, GLint compsize, GLint dim, 652 GLint width, GLint height, GLint depth, GLenum format, GLenum type, 653 const GLvoid *src, GLubyte *pc, GLubyte *modes); 654 655/* Return the size, in bytes, of some pixel data */ 656extern GLint __glImageSize(GLint, GLint, GLint, GLenum, GLenum, GLenum); 657 658/* Return the number of elements per group of a specified format*/ 659extern GLint __glElementsPerGroup(GLenum format, GLenum type); 660 661/* Return the number of bytes per element, based on the element type (other 662** than GL_BITMAP). 663*/ 664extern GLint __glBytesPerElement(GLenum type); 665 666/* 667** Fill the transport buffer with the data from the users buffer, 668** applying some of the pixel store modes (unpack modes) to the data 669** first. As a side effect of this call, the "modes" field is 670** updated to contain the modes needed by the server to decode the 671** sent data. 672*/ 673extern void __glFillImage(__GLXcontext*, GLint, GLint, GLint, GLint, GLenum, 674 GLenum, const GLvoid*, GLubyte*, GLubyte*); 675 676/* Copy map data with a stride into a packed buffer */ 677extern void __glFillMap1f(GLint, GLint, GLint, const GLfloat *, GLubyte *); 678extern void __glFillMap1d(GLint, GLint, GLint, const GLdouble *, GLubyte *); 679extern void __glFillMap2f(GLint, GLint, GLint, GLint, GLint, 680 const GLfloat *, GLfloat *); 681extern void __glFillMap2d(GLint, GLint, GLint, GLint, GLint, 682 const GLdouble *, GLdouble *); 683 684/* 685** Empty an image out of the reply buffer into the clients memory applying 686** the pack modes to pack back into the clients requested format. 687*/ 688extern void __glEmptyImage(__GLXcontext*, GLint, GLint, GLint, GLint, GLenum, 689 GLenum, const GLubyte *, GLvoid *); 690 691 692/* 693** Allocate and Initialize Vertex Array client state 694*/ 695extern void __glXInitVertexArrayState(__GLXcontext*); 696 697/* 698** Inform the Server of the major and minor numbers and of the client 699** libraries extension string. 700*/ 701extern void __glXClientInfo ( Display *dpy, int opcode ); 702 703/************************************************************************/ 704 705/* 706** Declarations that should be in Xlib 707*/ 708#ifdef __GL_USE_OUR_PROTOTYPES 709extern void _XFlush(Display*); 710extern Status _XReply(Display*, xReply*, int, Bool); 711extern void _XRead(Display*, void*, long); 712extern void _XSend(Display*, const void*, long); 713#endif 714 715 716extern void __glXInitializeVisualConfigFromTags( __GLcontextModes *config, 717 int count, const INT32 *bp, Bool tagged_only, Bool fbconfig_style_tags ); 718 719extern char * __glXGetStringFromServer( Display * dpy, int opcode, 720 CARD32 glxCode, CARD32 for_whom, CARD32 name ); 721 722extern char *__glXstrdup(const char *str); 723 724 725extern const char __glXGLClientVersion[]; 726extern const char __glXGLClientExtensions[]; 727 728/* Get the unadjusted system time */ 729extern int __glXGetUST( int64_t * ust ); 730 731extern GLboolean __glXGetMscRateOML(Display * dpy, GLXDrawable drawable, 732 int32_t * numerator, int32_t * denominator); 733 734#ifdef GLX_DIRECT_RENDERING 735GLboolean 736__driGetMscRateOML(__DRIdrawable *draw, 737 int32_t *numerator, int32_t *denominator, void *private); 738#endif 739 740#endif /* !__GLX_client_h__ */ 741