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/*

 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)

 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice including the dates of first publication and

 * either this permission notice or a reference to

 * http://oss.sgi.com/projects/FreeB/

 * shall be included in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF

 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 *

 * Except as contained in this notice, the name of Silicon Graphics, Inc.

 * shall not be used in advertising or otherwise to promote the sale, use or

 * other dealings in this Software without prior written authorization from

 * Silicon Graphics, Inc.

 */

/**

 * \file glxclient.h

 * Direct rendering support added by Precision Insight, Inc.

 *

 * \author Kevin E. Martin 

 */

#ifndef _GLX_client_h_

#define _GLX_client_h_

#include 

#include 

#include 

#include 

#define GLX_GLXEXT_PROTOTYPES

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include "GL/glxproto.h"

#include "glxconfig.h"

#include "glxhash.h"

#include "util/macros.h"

#include "glxextensions.h"

#define GLX_MAJOR_VERSION 1       /* current version numbers */

#define GLX_MINOR_VERSION 4

#define __GLX_MAX_TEXTURE_UNITS 32

struct glx_display;

struct glx_context;

/************************************************************************/

#ifdef GLX_DIRECT_RENDERING

extern void DRI_glXUseXFont(struct glx_context *ctx,

			    Font font, int first, int count, int listbase);

#endif

#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)

/**

 * Display dependent methods.  This structure is initialized during the

 * \c driCreateDisplay call.

 */

typedef struct __GLXDRIdisplayRec __GLXDRIdisplay;

typedef struct __GLXDRIscreenRec __GLXDRIscreen;

typedef struct __GLXDRIdrawableRec __GLXDRIdrawable;

struct __GLXDRIdisplayRec

{

    /**

     * Method to destroy the private DRI display data.

     */

   void (*destroyDisplay) (__GLXDRIdisplay * display);

   struct glx_screen *(*createScreen)(int screen, struct glx_display * priv);

};

struct __GLXDRIscreenRec {

   void (*destroyScreen)(struct glx_screen *psc);

   struct glx_context *(*createContext)(struct glx_screen *psc,

					struct glx_config *config,

					struct glx_context *shareList,

					int renderType);

   __GLXDRIdrawable *(*createDrawable)(struct glx_screen *psc,

				       XID drawable,

				       GLXDrawable glxDrawable,

				       struct glx_config *config);

   int64_t (*swapBuffers)(__GLXDRIdrawable *pdraw, int64_t target_msc,

			  int64_t divisor, int64_t remainder, Bool flush);

   void (*copySubBuffer)(__GLXDRIdrawable *pdraw,

			 int x, int y, int width, int height, Bool flush);

   int (*getDrawableMSC)(struct glx_screen *psc, __GLXDRIdrawable *pdraw,

			 int64_t *ust, int64_t *msc, int64_t *sbc);

   int (*waitForMSC)(__GLXDRIdrawable *pdraw, int64_t target_msc,

		     int64_t divisor, int64_t remainder, int64_t *ust,

		     int64_t *msc, int64_t *sbc);

   int (*waitForSBC)(__GLXDRIdrawable *pdraw, int64_t target_sbc, int64_t *ust,

		     int64_t *msc, int64_t *sbc);

   int (*setSwapInterval)(__GLXDRIdrawable *pdraw, int interval);

   int (*getSwapInterval)(__GLXDRIdrawable *pdraw);

   int (*getBufferAge)(__GLXDRIdrawable *pdraw);

};

struct __GLXDRIdrawableRec

{

   void (*destroyDrawable) (__GLXDRIdrawable * drawable);

   XID xDrawable;

   XID drawable;

   struct glx_screen *psc;

   GLenum textureTarget;

   GLenum textureFormat;        /* EXT_texture_from_pixmap support */

   unsigned long eventMask;

   int refcount;

};

/*

** Function to create and DRI display data and initialize the display

** dependent methods.

*/

extern __GLXDRIdisplay *driswCreateDisplay(Display * dpy);

extern __GLXDRIdisplay *driCreateDisplay(Display * dpy);

extern __GLXDRIdisplay *dri2CreateDisplay(Display * dpy);

extern void dri2InvalidateBuffers(Display *dpy, XID drawable);

extern unsigned dri2GetSwapEventType(Display *dpy, XID drawable);

extern __GLXDRIdisplay *dri3_create_display(Display * dpy);

/*

** Functions to obtain driver configuration information from a direct

** rendering client application

*/

extern const char *glXGetScreenDriver(Display * dpy, int scrNum);

extern const char *glXGetDriverConfig(const char *driverName);

#endif

/************************************************************************/

#define __GL_CLIENT_ATTRIB_STACK_DEPTH 16

typedef struct __GLXpixelStoreModeRec

{

   GLboolean swapEndian;

   GLboolean lsbFirst;

   GLuint rowLength;

   GLuint imageHeight;

   GLuint imageDepth;

   GLuint skipRows;

   GLuint skipPixels;

   GLuint skipImages;

   GLuint alignment;

} __GLXpixelStoreMode;

typedef struct __GLXattributeRec

{

   GLuint mask;

    /**

     * Pixel storage state.  Most of the pixel store mode state is kept

     * here and used by the client code to manage the packing and

     * unpacking of data sent to/received from the server.

     */

   __GLXpixelStoreMode storePack, storeUnpack;

    /**

     * Is EXT_vertex_array / GL 1.1 DrawArrays protocol specifically

     * disabled?

     */

   GLboolean NoDrawArraysProtocol;

    /**

     * Vertex Array storage state.  The vertex array component

     * state is stored here and is used to manage the packing of

     * DrawArrays data sent to the server.

     */

   struct array_state_vector *array_state;

} __GLXattribute;

typedef struct __GLXattributeMachineRec

{

   __GLXattribute *stack[__GL_CLIENT_ATTRIB_STACK_DEPTH];

   __GLXattribute **stackPointer;

} __GLXattributeMachine;

struct glx_context_vtable {

   void (*destroy)(struct glx_context *ctx);

   int (*bind)(struct glx_context *context, struct glx_context *old,

	       GLXDrawable draw, GLXDrawable read);

   void (*unbind)(struct glx_context *context, struct glx_context *new_ctx);

   void (*wait_gl)(struct glx_context *ctx);

   void (*wait_x)(struct glx_context *ctx);

   void (*use_x_font)(struct glx_context *ctx,

		      Font font, int first, int count, int listBase);

   void (*bind_tex_image)(Display * dpy,

			  GLXDrawable drawable,

			  int buffer, const int *attrib_list);

   void (*release_tex_image)(Display * dpy, GLXDrawable drawable, int buffer);

   void * (*get_proc_address)(const char *symbol);

};

/**

 * GLX state that needs to be kept on the client.  One of these records

 * exist for each context that has been made current by this client.

 */

struct glx_context

{

    /**

     * \name Drawing command buffer.

     *

     * Drawing commands are packed into this buffer before being sent as a

     * single GLX protocol request.  The buffer is sent when it overflows or

     * is flushed by \c __glXFlushRenderBuffer.  \c pc is the next location

     * in the buffer to be filled.  \c limit is described above in the buffer

     * slop discussion.

     *

     * Commands that require large amounts of data to be transfered will

     * also use this buffer to hold a header that describes the large

     * command.

     *

     * These must be the first 6 fields since they are static initialized

     * in the dummy context in glxext.c

     */

   /*@{ */

   GLubyte *buf;

   GLubyte *pc;

   GLubyte *limit;

   GLubyte *bufEnd;

   GLint bufSize;

   /*@} */

   const struct glx_context_vtable *vtable;

    /**

     * The XID of this rendering context.  When the context is created a

     * new XID is allocated.  This is set to None when the context is

     * destroyed but is still current to some thread. In this case the

     * context will be freed on next MakeCurrent.

     */

   XID xid;

    /**

     * The XID of the \c shareList context.

     */

   XID share_xid;

    /**

     * Screen number.

     */

   GLint screen;

   struct glx_screen *psc;

    /**

     * \c GL_TRUE if the context was created with ImportContext, which

     * means the server-side context was created by another X client.

     */

   GLboolean imported;

    /**

     * The context tag returned by MakeCurrent when this context is made

     * current. This tag is used to identify the context that a thread has

     * current so that proper server context management can be done.  It is

     * used for all context specific commands (i.e., \c Render, \c RenderLarge,

     * \c WaitX, \c WaitGL, \c UseXFont, and \c MakeCurrent (for the old

     * context)).

     */

   GLXContextTag currentContextTag;

    /**

     * \name Rendering mode

     *

     * The rendering mode is kept on the client as well as the server.

     * When \c glRenderMode is called, the buffer associated with the

     * previous rendering mode (feedback or select) is filled.

     */

   /*@{ */

   GLenum renderMode;

   GLfloat *feedbackBuf;

   GLuint *selectBuf;

   /*@} */

    /**

     * Fill newImage with the unpacked form of \c oldImage getting it

     * ready for transport to the server.

     */

   void (*fillImage) (struct glx_context *, GLint, GLint, GLint, GLint, GLenum,

                      GLenum, const GLvoid *, GLubyte *, GLubyte *);

    /**

     * Client side attribs.

     */

   __GLXattributeMachine attributes;

    /**

     * Client side error code.  This is set when client side gl API

     * routines need to set an error because of a bad enumerant or

     * running out of memory, etc.

     */

   GLenum error;

    /**

     * Whether this context does direct rendering.

     */

   Bool isDirect;

#if defined(GLX_DIRECT_RENDERING) && defined(GLX_USE_APPLEGL)

   void *driContext;

#endif

    /**

     * \c dpy of current display for this context.  Will be \c NULL if not

     * current to any display, or if this is the "dummy context".

     */

   Display *currentDpy;

    /**

     * The current drawable for this context.  Will be None if this

     * context is not current to any drawable.  currentReadable is below.

     */

   GLXDrawable currentDrawable;

    /**

     * \name GL Constant Strings

     *

     * Constant strings that describe the server implementation

     * These pertain to GL attributes, not to be confused with

     * GLX versioning attributes.

     */

   /*@{ */

   GLubyte *vendor;

   GLubyte *renderer;

   GLubyte *version;

   GLubyte *extensions;

   /*@} */

    /**

     * Maximum small render command size.  This is the smaller of 64k and

     * the size of the above buffer.

     */

   GLint maxSmallRenderCommandSize;

    /**

     * Major opcode for the extension.  Copied here so a lookup isn't

     * needed.

     */

   GLint majorOpcode;

    /**

     * Pointer to the config used to create this context.

     */

   struct glx_config *config;

    /**

     * The current read-drawable for this context.  Will be None if this

     * context is not current to any drawable.

     *

     * \since Internal API version 20030606.

     */

   GLXDrawable currentReadable;

   /**

    * Pointer to client-state data that is private to libGL.  This is only

    * used for indirect rendering contexts.

    *

    * No internal API version change was made for this change.  Client-side

    * drivers should NEVER use this data or even care that it exists.

    */

   void *client_state_private;

   /**

    * Stored value for \c glXQueryContext attribute \c GLX_RENDER_TYPE.

    */

   int renderType;

   /**

    * \name Raw server GL version

    *

    * True core GL version supported by the server.  This is the raw value

    * returned by the server, and it may not reflect what is actually

    * supported (or reported) by the client-side library.

    */

   /*@{ */

   int server_major;        /**< Major version number. */

   int server_minor;        /**< Minor version number. */

   /*@} */

   /**

    * Number of threads we're currently current in.

    */

   unsigned long thread_refcount;

   char gl_extension_bits[__GL_EXT_BYTES];

};

extern Bool

glx_context_init(struct glx_context *gc,

		 struct glx_screen *psc, struct glx_config *fbconfig);

#define __glXSetError(gc,code)  \

   if (!(gc)->error) {          \

      (gc)->error = code;       \

   }

extern void __glFreeAttributeState(struct glx_context *);

/************************************************************************/

/**

 * The size of the largest drawing command known to the implementation

 * that will use the GLXRender GLX command.  In this case it is

 * \c glPolygonStipple.

 */

#define __GLX_MAX_SMALL_RENDER_CMD_SIZE 156

/**

 * To keep the implementation fast, the code uses a "limit" pointer

 * to determine when the drawing command buffer is too full to hold

 * another fixed size command.  This constant defines the amount of

 * space that must always be available in the drawing command buffer

 * at all times for the implementation to work.  It is important that

 * the number be just large enough, but not so large as to reduce the

 * efficacy of the buffer.  The "+32" is just to keep the code working

 * in case somebody counts wrong.

 */

#define __GLX_BUFFER_LIMIT_SIZE (__GLX_MAX_SMALL_RENDER_CMD_SIZE + 32)

/**

 * This implementation uses a smaller threshold for switching

 * to the RenderLarge protocol than the protcol requires so that

 * large copies don't occur.

 */

#define __GLX_RENDER_CMD_SIZE_LIMIT 4096

/**

 * One of these records exists per screen of the display.  It contains

 * a pointer to the config data for that screen (if the screen supports GL).

 */

struct glx_screen_vtable {

   struct glx_context *(*create_context)(struct glx_screen *psc,

					 struct glx_config *config,

					 struct glx_context *shareList,

					 int renderType);

   struct glx_context *(*create_context_attribs)(struct glx_screen *psc,

						 struct glx_config *config,

						 struct glx_context *shareList,

						 unsigned num_attrib,

						 const uint32_t *attribs,

						 unsigned *error);

   int (*query_renderer_integer)(struct glx_screen *psc,

                                 int attribute,

                                 unsigned int *value);

   int (*query_renderer_string)(struct glx_screen *psc,

                                int attribute,

                                const char **value);

};

struct glx_screen

{

   const struct glx_screen_vtable *vtable;

    /**

     * GLX extension string reported by the X-server.

     */

   const char *serverGLXexts;

    /**

     * GLX extension string to be reported to applications.  This is the

     * set of extensions that the application can actually use.

     */

   char *effectiveGLXexts;

   struct glx_display *display;

   Display *dpy;

   int scr;

#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)

    /**

     * Per screen direct rendering interface functions and data.

     */

   __GLXDRIscreen *driScreen;

#endif

    /**

     * Linked list of glx visuals and  fbconfigs for this screen.

     */

   struct glx_config *visuals, *configs;

    /**

     * Per-screen dynamic GLX extension tracking.  The \c direct_support

     * field only contains enough bits for 64 extensions.  Should libGL

     * ever need to track more than 64 GLX extensions, we can safely grow

     * this field.  The \c struct glx_screen structure is not used outside

     * libGL.

     */

   /*@{ */

   unsigned char direct_support[8];

   GLboolean ext_list_first_time;

   /*@} */

};

/**

 * Per display private data.  One of these records exists for each display

 * that is using the OpenGL (GLX) extension.

 */

struct glx_display

{

   /* The extension protocol codes */

   XExtCodes *codes;

   struct glx_display *next;

    /**

     * Back pointer to the display

     */

   Display *dpy;

    /**

     * The \c majorOpcode is common to all connections to the same server.

     * It is also copied into the context structure.

     */

   int majorOpcode;

    /**

     * \name Server Version

     *

     * Major and minor version returned by the server during initialization.

     */

   /*@{ */

   int majorVersion, minorVersion;

   /*@} */

    /**

     * \name Storage for the servers GLX vendor and versions strings.

     *

     * These are the same for all screens on this display. These fields will

     * be filled in on demand.

     */

   /*@{ */

   const char *serverGLXvendor;

   const char *serverGLXversion;

   /*@} */

    /**

     * Configurations of visuals for all screens on this display.

     * Also, per screen data which now includes the server \c GLX_EXTENSION

     * string.

     */

   struct glx_screen **screens;

   __glxHashTable *glXDrawHash;

#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)

   __glxHashTable *drawHash;

    /**

     * Per display direct rendering interface functions and data.

     */

   __GLXDRIdisplay *driswDisplay;

   __GLXDRIdisplay *driDisplay;

   __GLXDRIdisplay *dri2Display;

   __GLXDRIdisplay *dri3Display;

#endif

};

struct glx_drawable {

   XID xDrawable;

   XID drawable;

   uint32_t lastEventSbc;

   int64_t eventSbcWrap;

};

extern int

glx_screen_init(struct glx_screen *psc,

		int screen, struct glx_display * priv);

extern void

glx_screen_cleanup(struct glx_screen *psc);

#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)

extern __GLXDRIdrawable *

dri2GetGlxDrawableFromXDrawableId(Display *dpy, XID id);

#endif

extern GLubyte *__glXFlushRenderBuffer(struct glx_context *, GLubyte *);

extern void __glXSendLargeChunk(struct glx_context * gc, GLint requestNumber,

                                GLint totalRequests,

                                const GLvoid * data, GLint dataLen);

extern void __glXSendLargeCommand(struct glx_context *, const GLvoid *, GLint,

                                  const GLvoid *, GLint);

/* Initialize the GLX extension for dpy */

extern struct glx_display *__glXInitialize(Display *);

extern void __glXPreferEGL(int state);

/************************************************************************/

extern int __glXDebug;

/* This is per-thread storage in an MT environment */

extern void __glXSetCurrentContext(struct glx_context * c);

# if defined( GLX_USE_TLS )

extern __thread void *__glX_tls_Context

   __attribute__ ((tls_model("initial-exec")));

#  define __glXGetCurrentContext() __glX_tls_Context

# else

extern struct glx_context *__glXGetCurrentContext(void);

# endif /* defined( GLX_USE_TLS ) */

extern void __glXSetCurrentContextNull(void);

/*

** Global lock for all threads in this address space using the GLX

** extension

*/

extern pthread_mutex_t __glXmutex;

#define __glXLock()    pthread_mutex_lock(&__glXmutex)

#define __glXUnlock()  pthread_mutex_unlock(&__glXmutex)

/*

** Setup for a command.  Initialize the extension for dpy if necessary.

*/

extern CARD8 __glXSetupForCommand(Display * dpy);

/************************************************************************/

/*

** Data conversion and packing support.

*/

extern const GLuint __glXDefaultPixelStore[9];

/* Send an image to the server using RenderLarge. */

extern void __glXSendLargeImage(struct glx_context * gc, GLint compsize, GLint dim,

                                GLint width, GLint height, GLint depth,

                                GLenum format, GLenum type,

                                const GLvoid * src, GLubyte * pc,

                                GLubyte * modes);

/* Return the size, in bytes, of some pixel data */

extern GLint __glImageSize(GLint, GLint, GLint, GLenum, GLenum, GLenum);

/* Return the number of elements per group of a specified format*/

extern GLint __glElementsPerGroup(GLenum format, GLenum type);

/* Return the number of bytes per element, based on the element type (other

** than GL_BITMAP).

*/

extern GLint __glBytesPerElement(GLenum type);

/*

** Fill the transport buffer with the data from the users buffer,

** applying some of the pixel store modes (unpack modes) to the data

** first.  As a side effect of this call, the "modes" field is

** updated to contain the modes needed by the server to decode the

** sent data.

*/

extern void __glFillImage(struct glx_context *, GLint, GLint, GLint, GLint, GLenum,

                          GLenum, const GLvoid *, GLubyte *, GLubyte *);

/* Copy map data with a stride into a packed buffer */

extern void __glFillMap1f(GLint, GLint, GLint, const GLfloat *, GLubyte *);

extern void __glFillMap1d(GLint, GLint, GLint, const GLdouble *, GLubyte *);

extern void __glFillMap2f(GLint, GLint, GLint, GLint, GLint,

                          const GLfloat *, GLfloat *);

extern void __glFillMap2d(GLint, GLint, GLint, GLint, GLint,

                          const GLdouble *, GLdouble *);

/*

** Empty an image out of the reply buffer into the clients memory applying

** the pack modes to pack back into the clients requested format.

*/

extern void __glEmptyImage(struct glx_context *, GLint, GLint, GLint, GLint, GLenum,

                           GLenum, const GLubyte *, GLvoid *);

/*

** Allocate and Initialize Vertex Array client state, and free.

*/

extern void __glXInitVertexArrayState(struct glx_context *);

extern void __glXFreeVertexArrayState(struct glx_context *);

/*

** Inform the Server of the major and minor numbers and of the client

** libraries extension string.

*/

extern void __glXClientInfo(Display * dpy, int opcode);

_X_HIDDEN void

__glX_send_client_info(struct glx_display *glx_dpy);

/************************************************************************/

/*

** Declarations that should be in Xlib

*/

#ifdef __GL_USE_OUR_PROTOTYPES

extern void _XFlush(Display *);

extern Status _XReply(Display *, xReply *, int, Bool);

extern void _XRead(Display *, void *, long);

extern void _XSend(Display *, const void *, long);

#endif

extern void __glXInitializeVisualConfigFromTags(struct glx_config * config,

                                                int count, const INT32 * bp,

                                                Bool tagged_only,

                                                Bool fbconfig_style_tags);

extern char *__glXQueryServerString(Display * dpy, int opcode,

                                    CARD32 screen, CARD32 name);

extern char *__glXGetString(Display * dpy, int opcode,

                            CARD32 screen, CARD32 name);

extern const char __glXGLClientVersion[];

extern const char __glXGLClientExtensions[];

/* Get the unadjusted system time */

extern int __glXGetUST(int64_t * ust);

extern GLboolean __glXGetMscRateOML(Display * dpy, GLXDrawable drawable,

                                    int32_t * numerator,

                                    int32_t * denominator);

#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)

extern GLboolean

__glxGetMscRate(struct glx_screen *psc,

		int32_t * numerator, int32_t * denominator);

/* So that dri2.c:DRI2WireToEvent() can access

 * glx_info->codes->first_event */

XExtDisplayInfo *__glXFindDisplay (Display *dpy);

extern void

GarbageCollectDRIDrawables(struct glx_screen *psc);

extern __GLXDRIdrawable *

GetGLXDRIDrawable(Display *dpy, GLXDrawable drawable);

#endif

extern struct glx_screen *GetGLXScreenConfigs(Display * dpy, int scrn);

#ifdef GLX_USE_APPLEGL

extern struct glx_screen *

applegl_create_screen(int screen, struct glx_display * priv);

extern struct glx_context *

applegl_create_context(struct glx_screen *psc,

			struct glx_config *mode,

			struct glx_context *shareList, int renderType);

extern int

applegl_create_display(struct glx_display *display);

#endif

extern Bool validate_renderType_against_config(const struct glx_config *config,

                                               int renderType);

extern struct glx_drawable *GetGLXDrawable(Display *dpy, GLXDrawable drawable);

extern int InitGLXDrawable(Display *dpy, struct glx_drawable *glxDraw,

			   XID xDrawable, GLXDrawable drawable);

extern void DestroyGLXDrawable(Display *dpy, GLXDrawable drawable);

extern struct glx_context dummyContext;

extern struct glx_screen *

indirect_create_screen(int screen, struct glx_display * priv);

extern struct glx_context *

indirect_create_context(struct glx_screen *psc,

			struct glx_config *mode,

			struct glx_context *shareList, int renderType);

extern struct glx_context *

indirect_create_context_attribs(struct glx_screen *base,

                                struct glx_config *config_base,

                                struct glx_context *shareList,

                                unsigned num_attribs,

                                const uint32_t *attribs,

                                unsigned *error);

#endif /* !__GLX_client_h__ */