indirect.c   [plain text]

/*
 * GLX implementation that uses Apple's OpenGL.framework
 * (Indirect rendering path)
 *
 * Copyright (c) 2007 Apple Inc.
 * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
 * Copyright (c) 2002 Greg Parker. All Rights Reserved.
 *
 * Portions of this file are copied from Mesa's xf86glx.c,
 * which contains the following copyright:
 *
 * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
 * 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 and this permission notice 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
 * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "dri.h"

#include <AvailabilityMacros.h>

#define GL_GLEXT_WUNDEF_SUPPORT

#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/glext.h>
#include <OpenGL/CGLContext.h>

/* These next few GL_EXT pre-processing blocks are to explicitly define 
 * these symbols to 0 if they are not set by OpenGL.framework.  This
 * prevents the X11 glext.h from setting them to 1.
 */

#ifndef GL_EXT_fragment_shader
#define GL_EXT_fragment_shader 0
#endif

#ifndef GL_EXT_blend_equation_separate
#define GL_EXT_blend_equation_separate 0
#endif

#ifndef GL_EXT_blend_func_separate
#define GL_EXT_blend_func_separate 0
#endif

#ifndef GL_EXT_depth_bounds_test
#define GL_EXT_depth_bounds_test 0
#endif

#ifndef GL_EXT_compiled_vertex_array
#define GL_EXT_compiled_vertex_array 0
#endif

#ifndef GL_EXT_cull_vertex
#define GL_EXT_cull_vertex 0
#endif

#ifndef GL_EXT_fog_coord
#define GL_EXT_fog_coord 0
#endif

#ifndef GL_EXT_framebuffer_blit
#define GL_EXT_framebuffer_blit 0
#endif

#ifndef GL_EXT_framebuffer_object
#define GL_EXT_framebuffer_object 0
#endif

#ifndef GL_EXT_gpu_program_parameters
#define GL_EXT_gpu_program_parameters 0
#endif

#ifndef GL_EXT_multi_draw_arrays
#define GL_EXT_multi_draw_arrays 0
#endif

#ifndef GL_EXT_point_parameters
#define GL_EXT_point_parameters 0
#endif

#ifndef GL_EXT_polygon_offset
#define GL_EXT_polygon_offset 0
#endif

#ifndef GL_EXT_secondary_color
#define GL_EXT_secondary_color 0
#endif
#ifndef GL_EXT_stencil_two_side
#define GL_EXT_stencil_two_side 0
#endif

#ifndef GL_EXT_timer_query
#define GL_EXT_timer_query 0
#endif

#ifndef GL_EXT_vertex_array
#define GL_EXT_vertex_array 0
#endif

/* Tiger PPC doesn't have the associated symbols, but glext.h says it does.  Liars!
 * http://trac.macports.org/ticket/20638
 */
#if defined(__ppc__) && MAC_OS_X_VERSION_MIN_REQUIRED < 1050
#undef GL_EXT_gpu_program_parameters
#define GL_EXT_gpu_program_parameters 0
#endif

#include <GL/glxproto.h>
#include <windowstr.h>
#include <resource.h>
#include <GL/glxint.h>
#include <GL/glxtokens.h>
#include <scrnintstr.h>
#include <glxserver.h>
#include <glxscreens.h>
#include <glxdrawable.h>
#include <glxcontext.h>
#include <glxext.h>
#include <glxutil.h>
#include <glxscreens.h>
#include <GL/internal/glcore.h>
#include "x-hash.h"
#include "x-list.h"

#include <dispatch.h>
typedef unsigned long long GLuint64EXT;
typedef long long GLint64EXT;
#include <Xplugin.h>
#include "glcontextmodes.h"
#include <glapi.h>
#include <glapitable.h>

// ggs: needed to call back to glx with visual configs
extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, void **configprivs);
__GLXprovider * GlxGetMesaProvider (void);

// Write debugging output, or not
#ifdef GLAQUA_DEBUG
#define GLAQUA_DEBUG_MSG ErrorF
#else
#define GLAQUA_DEBUG_MSG(a, ...)
#endif

static void setup_dispatch_table(void);
GLuint __glFloorLog2(GLuint val);
void warn_func(void * p1, char *format, ...);

// some prototypes
static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen);
static __GLXdrawable * __glXAquaScreenCreateDrawable(__GLXscreen *screen, DrawablePtr pDraw, XID drawId, __GLcontextModes *modes);

static Bool glAquaInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
                              int *nvisualp, int *ndepthp,
                              int *rootDepthp, VisualID *defaultVisp,
                              unsigned long sizes, int bitsPerRGB);
static void glAquaSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
                                   void **privates);

static void glAquaResetExtension(void);
static void __glXAquaContextDestroy(__GLXcontext *baseContext);
static int __glXAquaContextMakeCurrent(__GLXcontext *baseContext);
static int __glXAquaContextLoseCurrent(__GLXcontext *baseContext);
static int __glXAquaContextForceCurrent(__GLXcontext *baseContext);
static int __glXAquaContextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, unsigned long mask);

static CGLPixelFormatObj makeFormat(__GLcontextModes *mode);

__GLXprovider __glXMesaProvider = {
    __glXAquaScreenProbe,
    "Core OpenGL",
    NULL
};

__GLXprovider *
GlxGetMesaProvider (void) {
    GLAQUA_DEBUG_MSG("GlxGetMesaProvider\n");
    return &__glXMesaProvider;
}

typedef struct __GLXAquaScreen   __GLXAquaScreen;
typedef struct __GLXAquaContext  __GLXAquaContext;
typedef struct __GLXAquaDrawable __GLXAquaDrawable;

/*
 * The following structs must keep the base as the first member.
 * It's used to treat the start of the struct as a different struct
 * in GLX.  
 *
 * Note: these structs should be initialized with xcalloc or memset 
 * prior to usage, and some of them require initializing
 * the base with function pointers.
 */
struct __GLXAquaScreen {
    __GLXscreen base;
    int index;
    int num_vis;
    __GLcontextModes *modes;
};

static __GLXAquaScreen glAquaScreens[MAXSCREENS];

struct __GLXAquaContext {
    __GLXcontext base;
    CGLContextObj ctx;
    CGLPixelFormatObj pixelFormat;
    xp_surface_id sid;
    unsigned isAttached :1;
};

struct __GLXAquaDrawable {
    __GLXdrawable base; 
    DrawablePtr pDraw;
    xp_surface_id sid;
};

static __GLXcontext *
__glXAquaScreenCreateContext(__GLXscreen *screen,
			     __GLcontextModes *modes,
			     __GLXcontext *baseShareContext)
{
    __GLXAquaContext *context;
    __GLXAquaContext *shareContext = (__GLXAquaContext *) baseShareContext;
    CGLError gl_err;
  
    GLAQUA_DEBUG_MSG("glXAquaScreenCreateContext\n");
  
    context = xalloc(sizeof *context);
    if (context == NULL) 
	return NULL;

    memset(context, 0, sizeof *context);
    
    context->base.pGlxScreen = screen;
    context->base.modes      = modes;
    
    context->base.destroy        = __glXAquaContextDestroy;
    context->base.makeCurrent    = __glXAquaContextMakeCurrent;
    context->base.loseCurrent    = __glXAquaContextLoseCurrent;
    context->base.copy           = __glXAquaContextCopy;
    context->base.forceCurrent   = __glXAquaContextForceCurrent;
    
    context->pixelFormat = makeFormat(modes);

    if (!context->pixelFormat) {
	xfree(context);
	return NULL;
    }
    
    context->ctx = NULL;
    gl_err = CGLCreateContext(context->pixelFormat,
			      shareContext ? shareContext->ctx : NULL,
			      &context->ctx);
    
    if (gl_err != 0) {
	ErrorF("CGLCreateContext error: %s\n", CGLErrorString(gl_err));
	CGLDestroyPixelFormat(context->pixelFormat);
	xfree(context);
	return NULL;
    }
    
    setup_dispatch_table();

    GLAQUA_DEBUG_MSG("glAquaCreateContext done\n");
    
    return &context->base;
}

static __GLXextensionInfo __glDDXExtensionInfo = {
    GL_CORE_APPLE,
    glAquaResetExtension,
    glAquaInitVisuals,
    glAquaSetVisualConfigs
};

void *__glXglDDXExtensionInfo(void) {
    GLAQUA_DEBUG_MSG("glXAglDDXExtensionInfo\n");
    return &__glDDXExtensionInfo;
}

/* maps from surface id -> list of __GLcontext */
static x_hash_table *surface_hash;

static void __glXAquaContextDestroy(__GLXcontext *baseContext) {
    x_list *lst;

    __GLXAquaContext *context = (__GLXAquaContext *) baseContext;

    GLAQUA_DEBUG_MSG("%s(ctx %p)\n", __func__, (void *)baseContext);
    if (context != NULL) {
      if (context->sid != 0 && surface_hash != NULL) {
		lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(context->sid), NULL);
		lst = x_list_remove(lst, context);
		x_hash_table_insert(surface_hash, x_cvt_uint_to_vptr(context->sid), lst);
      }

      if (context->ctx != NULL)
	  CGLDestroyContext(context->ctx);

      if (context->pixelFormat != NULL)	
	  CGLDestroyPixelFormat(context->pixelFormat);
      
      xfree(context);
    }
}

static int __glXAquaContextLoseCurrent(__GLXcontext *baseContext) {
    CGLError gl_err;

    GLAQUA_DEBUG_MSG("glAquaLoseCurrent (ctx 0x%p)\n", baseContext);

    gl_err = CGLSetCurrentContext(NULL);
    if (gl_err != 0)
      ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err));

    /* 
     * There should be no need to set __glXLastContext to NULL here, because
     * glxcmds.c does it as part of the context cache flush after calling 
     * this.
     */

    return GL_TRUE;
}

/* Called when a surface is destroyed as a side effect of destroying
   the window it's attached to. */
static void surface_notify(void *_arg, void *data) {
    DRISurfaceNotifyArg *arg = (DRISurfaceNotifyArg *)_arg;
    __GLXAquaDrawable *draw = (__GLXAquaDrawable *)data;
    __GLXAquaContext *context;
    x_list *lst;

    if(_arg == NULL || data == NULL) {
	ErrorF("surface_notify called with bad params");
	return;
    }
	
    GLAQUA_DEBUG_MSG("%s(%p, %p)\n", __func__, (void *)_arg, (void *)data);
    switch (arg->kind) {
    case AppleDRISurfaceNotifyDestroyed:
        if (surface_hash != NULL)
            x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(arg->id));
	        draw->base.pDraw = NULL;
			draw->sid = 0;
        break;

    case AppleDRISurfaceNotifyChanged:
        if (surface_hash != NULL) {
            lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(arg->id), NULL);
            for (; lst != NULL; lst = lst->next)
            {
                context = lst->data;
                xp_update_gl_context(context->ctx);
            }
        }
        break;

    default:
	ErrorF("surface_notify: unknown kind %d\n", arg->kind);
	break;
    }
}

/* Return TRUE If an error occured. */
static BOOL attach(__GLXAquaContext *context, __GLXAquaDrawable *draw) {
    DrawablePtr pDraw;
	
    GLAQUA_DEBUG_MSG("attach(%p, %p)\n", context, draw);

    if(NULL == context || NULL == draw)
	return TRUE;

    pDraw = draw->base.pDraw;

    if(NULL == pDraw) {
	ErrorF("%s:attach() pDraw is NULL!\n", __FILE__);
	return TRUE;
    }

    if(draw->sid == 0) {
	if (!DRICreateSurface(pDraw->pScreen, pDraw->id, pDraw,
			      0, &draw->sid, NULL,
			      surface_notify, draw))
            return TRUE;

        draw->pDraw = pDraw;
    } 

    if (!context->isAttached || context->sid != draw->sid) {
        x_list *lst;

        if (xp_attach_gl_context(context->ctx, draw->sid) != Success) {
            DRIDestroySurface(pDraw->pScreen, pDraw->id, pDraw,
			      surface_notify, draw);
            if (surface_hash != NULL)
                x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(draw->sid));
	    
            draw->sid = 0;
            return TRUE;
        }
	
        context->isAttached = TRUE;
        context->sid = draw->sid;

        if (surface_hash == NULL)
            surface_hash = x_hash_table_new(NULL, NULL, NULL, NULL);

        lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(context->sid), NULL);
        if (x_list_find(lst, context) == NULL) {
            lst = x_list_prepend(lst, context);
            x_hash_table_insert(surface_hash, x_cvt_uint_to_vptr(context->sid), lst);
        }

        GLAQUA_DEBUG_MSG("attached 0x%x to 0x%x\n", (unsigned int) pDraw->id,
                         (unsigned int) draw->sid);
    } 

    return FALSE;
}

/* This returns 0 if an error occured. */
static int __glXAquaContextMakeCurrent(__GLXcontext *baseContext) {
    CGLError gl_err;
    __GLXAquaContext *context = (__GLXAquaContext *) baseContext;
    __GLXAquaDrawable *drawPriv = (__GLXAquaDrawable *) context->base.drawPriv;

    GLAQUA_DEBUG_MSG("glAquaMakeCurrent (ctx 0x%p)\n", baseContext);
    
    if(attach(context, drawPriv))
	return 0;

    gl_err = CGLSetCurrentContext(context->ctx);
    if (gl_err != 0)
        ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err));
    
    return gl_err == 0;
}

static int __glXAquaContextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, unsigned long mask)
{
    CGLError gl_err;

    __GLXAquaContext *dst = (__GLXAquaContext *) baseDst;
    __GLXAquaContext *src = (__GLXAquaContext *) baseSrc;

    GLAQUA_DEBUG_MSG("GLXAquaContextCopy\n");

    gl_err = CGLCopyContext(src->ctx, dst->ctx, mask);
    if (gl_err != 0)
        ErrorF("CGLCopyContext error: %s\n", CGLErrorString(gl_err));

    return gl_err == 0;
}

static int __glXAquaContextForceCurrent(__GLXcontext *baseContext)
{
    CGLError gl_err;
    __GLXAquaContext *context = (__GLXAquaContext *) baseContext;
    GLAQUA_DEBUG_MSG("glAquaForceCurrent (ctx %p)\n", context->ctx);

    gl_err = CGLSetCurrentContext(context->ctx);
    if (gl_err != 0)
        ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err));

    return gl_err == 0;
}

/* Drawing surface notification callbacks */

static GLboolean __glXAquaDrawableResize(__GLXdrawable *base)  {
    // Don't remove, <rdar://problem/7114913>
    GLAQUA_DEBUG_MSG("unimplemented glAquaDrawableResize\n");
    return GL_TRUE;
}

static GLboolean __glXAquaDrawableSwapBuffers(__GLXdrawable *base) {
    CGLError gl_err;
    __GLXAquaContext * drawableCtx;
    //    GLAQUA_DEBUG_MSG("glAquaDrawableSwapBuffers(%p)\n",base);
    
    if(!base) {
	ErrorF("glXAquaDrawbleSwapBuffers passed NULL\n");
	return GL_FALSE;
    }

    drawableCtx = (__GLXAquaContext *)base->drawGlxc;
    
    if (drawableCtx != NULL && drawableCtx->ctx != NULL) {
        gl_err = CGLFlushDrawable(drawableCtx->ctx);
        if (gl_err != 0)
            ErrorF("CGLFlushDrawable error: %s\n", CGLErrorString(gl_err));
    }

    return GL_TRUE;
}

static CGLPixelFormatObj makeFormat(__GLcontextModes *mode) {
    int i;
    CGLPixelFormatAttribute attr[64]; // currently uses max of 30
    CGLPixelFormatObj result;
    GLint n_formats;
    CGLError gl_err;
    
    GLAQUA_DEBUG_MSG("makeFormat\n");

    if (!mode->rgbMode)
        return NULL;

    i = 0;

    // attr [i++] = kCGLPFAAcelerated; // require hwaccel - BAD for multiscreen
    // attr [i++] = kCGLPFANoRecovery; // disable fallback renderers - BAD

    if (mode->stereoMode) {
        attr[i++] = kCGLPFAStereo;
    }
    if (mode->doubleBufferMode) {
        attr[i++] = kCGLPFADoubleBuffer;
    }

    if (mode->colorIndexMode) {
        /* ignored */
    }

    if (mode->rgbMode) {
        attr[i++] = kCGLPFAColorSize;
        attr[i++] = mode->redBits + mode->greenBits + mode->blueBits;
        attr[i++] = kCGLPFAAlphaSize;
        attr[i++] = mode->alphaBits;
    }

    if (mode->haveAccumBuffer) {
        attr[i++] = kCGLPFAAccumSize;
        attr[i++] = mode->accumRedBits + mode->accumGreenBits
                    + mode->accumBlueBits + mode->accumAlphaBits;
    }
	
    if (mode->haveDepthBuffer) {
        attr[i++] = kCGLPFADepthSize;
        attr[i++] = mode->depthBits;
    }
	
    if (mode->haveStencilBuffer) {
        attr[i++] = kCGLPFAStencilSize;
        attr[i++] = mode->stencilBits;
    }

    attr[i++] = kCGLPFAAuxBuffers;
    attr[i++] = mode->numAuxBuffers;

    /* mode->level ignored */

    /* mode->pixmapMode ? */

    attr[i++] = 0;

    GLAQUA_DEBUG_MSG("makeFormat almost done\n");

    result = NULL;
    gl_err = CGLChoosePixelFormat(attr, &result, &n_formats);
    if (gl_err != 0)
        ErrorF("CGLChoosePixelFormat error: %s\n", CGLErrorString(gl_err));

    GLAQUA_DEBUG_MSG("makeFormat done (0x%x)\n", (unsigned int) result);

    return result;
}

// Originally copied from Mesa

static int                 numConfigs     = 0;
static __GLXvisualConfig  *visualConfigs  = NULL;
static void              **visualPrivates = NULL;

/*
 * In the case the driver defines no GLX visuals we'll use these.
 * Note that for TrueColor and DirectColor visuals, bufferSize is the 
 * sum of redSize, greenSize, blueSize and alphaSize, which may be larger 
 * than the nplanes/rootDepth of the server's X11 visuals
 */
#define NUM_FALLBACK_CONFIGS 5
static __GLXvisualConfig FallbackConfigs[NUM_FALLBACK_CONFIGS] = {
  /* [0] = RGB, double buffered, Z */
  {
    -1,                 /* vid */
    -1,                 /* class */
    True,               /* rgba */
    -1, -1, -1, 0,      /* rgba sizes */
    -1, -1, -1, 0,      /* rgba masks */
     0,  0,  0, 0,      /* rgba accum sizes */
    True,               /* doubleBuffer */
    False,              /* stereo */
    -1,                 /* bufferSize */
    16,                 /* depthSize */
    0,                  /* stencilSize */
    0,                  /* auxBuffers */
    0,                  /* level */
    GLX_NONE,           /* visualRating */
    GLX_NONE,           /* transparentPixel */
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
    0                   /* transparentIndex */
  },
  /* [1] = RGB, double buffered, Z, stencil, accum */
  {
    -1,                 /* vid */
    -1,                 /* class */
    True,               /* rgba */
    -1, -1, -1, 0,      /* rgba sizes */
    -1, -1, -1, 0,      /* rgba masks */
    16, 16, 16, 0,      /* rgba accum sizes */
    True,               /* doubleBuffer */
    False,              /* stereo */
    -1,                 /* bufferSize */
    16,                 /* depthSize */
    8,                  /* stencilSize */
    0,                  /* auxBuffers */
    0,                  /* level */
    GLX_NONE,           /* visualRating */
    GLX_NONE,           /* transparentPixel */
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
    0                   /* transparentIndex */
  },
  /* [2] = RGB+Alpha, double buffered, Z, stencil, accum */
  {
    -1,                 /* vid */
    -1,                 /* class */
    True,               /* rgba */
    -1, -1, -1, 8,      /* rgba sizes */
    -1, -1, -1, -1,     /* rgba masks */
    16, 16, 16, 16,     /* rgba accum sizes */
    True,               /* doubleBuffer */
    False,              /* stereo */
    -1,                 /* bufferSize */
    16,                 /* depthSize */
    8,                  /* stencilSize */
    0,                  /* auxBuffers */
    0,                  /* level */
    GLX_NONE,           /* visualRating */
    GLX_NONE,           /* transparentPixel */
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
    0                   /* transparentIndex */
  },
  /* [3] = RGB+Alpha, single buffered, Z, stencil, accum */
  {
    -1,                 /* vid */
    -1,                 /* class */
    True,               /* rgba */
    -1, -1, -1, 8,      /* rgba sizes */
    -1, -1, -1, -1,     /* rgba masks */
    16, 16, 16, 16,     /* rgba accum sizes */
    False,              /* doubleBuffer */
    False,              /* stereo */
    -1,                 /* bufferSize */
    16,                 /* depthSize */
    8,                  /* stencilSize */
    0,                  /* auxBuffers */
    0,                  /* level */
    GLX_NONE,           /* visualRating */
    GLX_NONE,           /* transparentPixel */
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
    0                   /* transparentIndex */
  },
  /* [4] = CI, double buffered, Z */
  {
    -1,                 /* vid */
    -1,                 /* class */
    False,              /* rgba? (false = color index) */
    -1, -1, -1, 0,      /* rgba sizes */
    -1, -1, -1, 0,      /* rgba masks */
     0,  0,  0, 0,      /* rgba accum sizes */
    True,               /* doubleBuffer */
    False,              /* stereo */
    -1,                 /* bufferSize */
    16,                 /* depthSize */
    0,                  /* stencilSize */
    0,                  /* auxBuffers */
    0,                  /* level */
    GLX_NONE,           /* visualRating */
    GLX_NONE,           /* transparentPixel */
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
    0                   /* transparentIndex */
  },
};

static __GLXvisualConfig NullConfig = {
    -1,                 /* vid */
    -1,                 /* class */
    False,              /* rgba */
    -1, -1, -1, 0,      /* rgba sizes */
    -1, -1, -1, 0,      /* rgba masks */
     0,  0,  0, 0,      /* rgba accum sizes */
    False,              /* doubleBuffer */
    False,              /* stereo */
    -1,                 /* bufferSize */
    16,                 /* depthSize */
    0,                  /* stencilSize */
    0,                  /* auxBuffers */
    0,                  /* level */
    GLX_NONE_EXT,       /* visualRating */
    0,                  /* transparentPixel */
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
    0                   /* transparentIndex */
};


static inline int count_bits(uint32_t x)
{
    x = x - ((x >> 1) & 0x55555555);
    x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
    x = (x + (x >> 4)) & 0x0f0f0f0f;
    x = x + (x >> 8);
    x = x + (x >> 16);
    return x & 63;
}


static Bool init_visuals(int *nvisualp, VisualPtr *visualp,
                         VisualID *defaultVisp,
                         int ndepth, DepthPtr pdepth,
                         int rootDepth)
{
    int numRGBconfigs;
    int numCIconfigs;
    int numVisuals = *nvisualp;
    int numNewVisuals;
    int numNewConfigs;
    VisualPtr pVisual = *visualp;
    VisualPtr pVisualNew = NULL;
    VisualID *orig_vid = NULL;
    __GLcontextModes *modes;
    __GLXvisualConfig *pNewVisualConfigs = NULL;
    void **glXVisualPriv;
    void **pNewVisualPriv;
    int found_default;
    int i, j, k;

    GLAQUA_DEBUG_MSG("init_visuals\n");

    if (numConfigs > 0)
        numNewConfigs = numConfigs;
    else
        numNewConfigs = NUM_FALLBACK_CONFIGS;

    /* Alloc space for the list of new GLX visuals */
    pNewVisualConfigs = (__GLXvisualConfig *)
                     malloc(numNewConfigs * sizeof(__GLXvisualConfig));
    if (!pNewVisualConfigs) {
        return FALSE;
    }

    /* Alloc space for the list of new GLX visual privates */
    pNewVisualPriv = (void **) malloc(numNewConfigs * sizeof(void *));
    if (!pNewVisualPriv) {
        free(pNewVisualConfigs);
        return FALSE;
    }

    /*
    ** If SetVisualConfigs was not called, then use default GLX
    ** visual configs.
    */
    if (numConfigs == 0) {
        memcpy(pNewVisualConfigs, FallbackConfigs,
               NUM_FALLBACK_CONFIGS * sizeof(__GLXvisualConfig));
        memset(pNewVisualPriv, 0, NUM_FALLBACK_CONFIGS * sizeof(void *));
    }
    else {
        /* copy driver's visual config info */
        for (i = 0; i < numConfigs; i++) {
            pNewVisualConfigs[i] = visualConfigs[i];
            pNewVisualPriv[i] = visualPrivates[i];
        }
    }

    /* Count the number of RGB and CI visual configs */
    numRGBconfigs = 0;
    numCIconfigs = 0;
    for (i = 0; i < numNewConfigs; i++) {
        if (pNewVisualConfigs[i].rgba)
            numRGBconfigs++;
        else
            numCIconfigs++;
    }

    /* Count the total number of visuals to compute */
    numNewVisuals = 0;
    for (i = 0; i < numVisuals; i++) {
        int count;

        count = ((pVisual[i].class == TrueColor ||
                  pVisual[i].class == DirectColor)
                ? numRGBconfigs : numCIconfigs);
        if (count == 0)
            count = 1;          /* preserve the existing visual */

        numNewVisuals += count;
    }

    /* Reset variables for use with the next screen/driver's visual configs */
    visualConfigs = NULL;
    numConfigs = 0;

    /* Alloc temp space for the list of orig VisualIDs for each new visual */
    orig_vid = (VisualID *)malloc(numNewVisuals * sizeof(VisualID));
    if (!orig_vid) {
        free(pNewVisualPriv);
        free(pNewVisualConfigs);
        return FALSE;
    }

    /* Alloc space for the list of glXVisuals */
    modes = _gl_context_modes_create(numNewVisuals, sizeof(__GLcontextModes));
    if (modes == NULL) {
        free(orig_vid);
        free(pNewVisualPriv);
        free(pNewVisualConfigs);
        return FALSE;
    }

    /* Alloc space for the list of glXVisualPrivates */
    glXVisualPriv = (void **)malloc(numNewVisuals * sizeof(void *));
    if (!glXVisualPriv) {
        _gl_context_modes_destroy( modes );
        free(orig_vid);
        free(pNewVisualPriv);
        free(pNewVisualConfigs);
        return FALSE;
    }

    /* Alloc space for the new list of the X server's visuals */
    pVisualNew = (VisualPtr)malloc(numNewVisuals * sizeof(VisualRec));
    if (!pVisualNew) {
        free(glXVisualPriv);
        _gl_context_modes_destroy( modes );
        free(orig_vid);
        free(pNewVisualPriv);
        free(pNewVisualConfigs);
        return FALSE;
    }

    /* Initialize the new visuals */
    found_default = FALSE;
    glAquaScreens[screenInfo.numScreens-1].modes = modes;
    for (i = j = 0; i < numVisuals; i++) {
        int is_rgb = (pVisual[i].class == TrueColor ||
                      pVisual[i].class == DirectColor);

        if (!is_rgb)
        {
            /* We don't support non-rgb visuals for GL. But we don't
               want to remove them either, so just pass them through
               with null glX configs */

            pVisualNew[j] = pVisual[i];
            pVisualNew[j].vid = FakeClientID(0);

            /* Check for the default visual */
            if (!found_default && pVisual[i].vid == *defaultVisp) {
                *defaultVisp = pVisualNew[j].vid;
                found_default = TRUE;
            }

            /* Save the old VisualID */
            orig_vid[j] = pVisual[i].vid;

            /* Initialize the glXVisual */
            _gl_copy_visual_to_context_mode( modes, & NullConfig );
            modes->visualID = pVisualNew[j].vid;

            j++;

            continue;
        }

        for (k = 0; k < numNewConfigs; k++) {
            if (pNewVisualConfigs[k].rgba != is_rgb)
                continue;

            assert( modes != NULL );

            /* Initialize the new visual */
            pVisualNew[j] = pVisual[i];
            pVisualNew[j].vid = FakeClientID(0);

            /* Check for the default visual */
            if (!found_default && pVisual[i].vid == *defaultVisp) {
                *defaultVisp = pVisualNew[j].vid;
                found_default = TRUE;
            }

            /* Save the old VisualID */
            orig_vid[j] = pVisual[i].vid;

            /* Initialize the glXVisual */
            _gl_copy_visual_to_context_mode( modes, & pNewVisualConfigs[k] );
            modes->visualID = pVisualNew[j].vid;

            /*
             * If the class is -1, then assume the X visual information
             * is identical to what GLX needs, and take them from the X
             * visual.  NOTE: if class != -1, then all other fields MUST
             * be initialized.
             */
            if (modes->visualType == GLX_NONE) {
                modes->visualType = _gl_convert_from_x_visual_type( pVisual[i].class );
                modes->redBits    = count_bits(pVisual[i].redMask);
                modes->greenBits  = count_bits(pVisual[i].greenMask);
                modes->blueBits   = count_bits(pVisual[i].blueMask);
                modes->alphaBits  = modes->alphaBits;
                modes->redMask    = pVisual[i].redMask;
                modes->greenMask  = pVisual[i].greenMask;
                modes->blueMask   = pVisual[i].blueMask;
                modes->alphaMask  = modes->alphaMask;
                modes->rgbBits = (is_rgb)
                    ? (modes->redBits + modes->greenBits +
                       modes->blueBits + modes->alphaBits)
                    : rootDepth;
            }

            /* Save the device-dependent private for this visual */
            glXVisualPriv[j] = pNewVisualPriv[k];

            j++;
            modes = modes->next;
        }
    }

    assert(j <= numNewVisuals);

    /* Save the GLX visuals in the screen structure */
    glAquaScreens[screenInfo.numScreens-1].num_vis = numNewVisuals;
    //    glAquaScreens[screenInfo.numScreens-1].priv = glXVisualPriv;

    /* set up depth's VisualIDs */
    for (i = 0; i < ndepth; i++) {
        int numVids = 0;
        VisualID *pVids = NULL;
        int k, n = 0;

        /* Count the new number of VisualIDs at this depth */
        for (j = 0; j < pdepth[i].numVids; j++)
            for (k = 0; k < numNewVisuals; k++)
            if (pdepth[i].vids[j] == orig_vid[k])
                numVids++;

        /* Allocate a new list of VisualIDs for this depth */
        pVids = (VisualID *)malloc(numVids * sizeof(VisualID));

        /* Initialize the new list of VisualIDs for this depth */
        for (j = 0; j < pdepth[i].numVids; j++)
            for (k = 0; k < numNewVisuals; k++)
            if (pdepth[i].vids[j] == orig_vid[k])
                pVids[n++] = pVisualNew[k].vid;

        /* Update this depth's list of VisualIDs */
        free(pdepth[i].vids);
        pdepth[i].vids = pVids;
        pdepth[i].numVids = numVids;
    }

    /* Update the X server's visuals */
    *nvisualp = numNewVisuals;
    *visualp = pVisualNew;

    /* Free the old list of the X server's visuals */
    free(pVisual);

    /* Clean up temporary allocations */
    free(orig_vid);
    free(pNewVisualPriv);
    free(pNewVisualConfigs);

    /* Free the private list created by DDX HW driver */
    if (visualPrivates)
        free(visualPrivates);
    visualPrivates = NULL;

    return TRUE;
}

Bool enable_stereo = FALSE;
/* based on code in i830_dri.c
   This ends calling glAquaSetVisualConfigs to set the static
   numconfigs, etc. */
static void
glAquaInitVisualConfigs(void)
{
    int                 lclNumConfigs     = 0;
    __GLXvisualConfig  *lclVisualConfigs  = NULL;
    void              **lclVisualPrivates = NULL;

    int stereo, depth, aux, buffers, stencil, accum;
    int i = 0;

    GLAQUA_DEBUG_MSG("glAquaInitVisualConfigs ");
        
    /* count num configs:
        2 stereo (on, off) (optional)
        2 Z buffer (0, 24 bit)
        2 AUX buffer (0, 2)
        2 buffers (single, double)
        2 stencil (0, 8 bit)
        2 accum (0, 64 bit)
        = 64 configs with stereo, or 32 without */

    if (enable_stereo) lclNumConfigs = 2 * 2 * 2 * 2 * 2 * 2; /* 64 */
    else               lclNumConfigs = 2 * 2 * 2 * 2 * 2; /* 32 */

    /* alloc */
    lclVisualConfigs = xcalloc(sizeof(__GLXvisualConfig), lclNumConfigs);
    lclVisualPrivates = xcalloc(sizeof(void *), lclNumConfigs);

    /* fill in configs */
    if (NULL != lclVisualConfigs) {
        i = 0; /* current buffer */
        for (stereo = 0; stereo < (enable_stereo ? 2 : 1); stereo++) {
	  for (depth = 0; depth < 2; depth++) {
            for (aux = 0; aux < 2; aux++) {
	      for (buffers = 0; buffers < 2; buffers++) {
		for (stencil = 0; stencil < 2; stencil++) {
		  for (accum = 0; accum < 2; accum++) {
		    lclVisualConfigs[i].vid = -1;
		    lclVisualConfigs[i].class = -1;
		    lclVisualConfigs[i].rgba = TRUE;
		    lclVisualConfigs[i].redSize = -1;
		    lclVisualConfigs[i].greenSize = -1;
		    lclVisualConfigs[i].blueSize = -1;
		    lclVisualConfigs[i].redMask = -1;
		    lclVisualConfigs[i].greenMask = -1;
		    lclVisualConfigs[i].blueMask = -1;
		    lclVisualConfigs[i].alphaMask = 0;
		    if (accum) {
		      lclVisualConfigs[i].accumRedSize = 16;
		      lclVisualConfigs[i].accumGreenSize = 16;
		      lclVisualConfigs[i].accumBlueSize = 16;
		      lclVisualConfigs[i].accumAlphaSize = 16;
		    } else {
		      lclVisualConfigs[i].accumRedSize = 0;
		      lclVisualConfigs[i].accumGreenSize = 0;
		      lclVisualConfigs[i].accumBlueSize = 0;
		      lclVisualConfigs[i].accumAlphaSize = 0;
		    }
		    lclVisualConfigs[i].doubleBuffer = buffers ? TRUE : FALSE;
		    lclVisualConfigs[i].stereo = stereo ? TRUE : FALSE;
		    lclVisualConfigs[i].bufferSize = -1;
		    
		    lclVisualConfigs[i].depthSize = depth? 24 : 0;
		    lclVisualConfigs[i].stencilSize = stencil ? 8 : 0;
		    lclVisualConfigs[i].auxBuffers = aux ? 2 : 0;
		    lclVisualConfigs[i].level = 0;
		    lclVisualConfigs[i].visualRating = GLX_NONE_EXT;
		    lclVisualConfigs[i].transparentPixel = 0;
		    lclVisualConfigs[i].transparentRed = 0;
		    lclVisualConfigs[i].transparentGreen = 0;
		    lclVisualConfigs[i].transparentBlue = 0;
		    lclVisualConfigs[i].transparentAlpha = 0;
		    lclVisualConfigs[i].transparentIndex = 0;
		    i++;
		  }
		}
	      }
            }
	  }
	}
    }
    if (i != lclNumConfigs)
        GLAQUA_DEBUG_MSG("glAquaInitVisualConfigs failed to alloc visual configs");

    GlxSetVisualConfigs(lclNumConfigs, lclVisualConfigs, lclVisualPrivates);
}


static void glAquaSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
                                   void **privates)
{
    GLAQUA_DEBUG_MSG("glAquaSetVisualConfigs\n");

    numConfigs = nconfigs;
    visualConfigs = configs;
    visualPrivates = privates;
}

static Bool glAquaInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
                              int *nvisualp, int *ndepthp,
                              int *rootDepthp, VisualID *defaultVisp,
                              unsigned long sizes, int bitsPerRGB)
{
    GLAQUA_DEBUG_MSG("glAquaInitVisuals\n");
    
    if (numConfigs == 0) /* if no configs */
        glAquaInitVisualConfigs(); /* ensure the visual configs are setup */

    /*
     * setup the visuals supported by this particular screen.
     */
    return init_visuals(nvisualp, visualp, defaultVisp,
                        *ndepthp, *depthp, *rootDepthp);
}

static void __glXAquaScreenDestroy(__GLXscreen *screen) {

    GLAQUA_DEBUG_MSG("%s(%p)\n", __func__, screen);
  __glXScreenDestroy(screen);

  free(screen);
}

/* This is called by __glXInitScreens(). */
static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen) {
  __GLXAquaScreen *screen;
  GLAQUA_DEBUG_MSG("glXAquaScreenProbe\n");

  if (pScreen == NULL) 
      return NULL;

  screen = xalloc(sizeof *screen);
  
  if(NULL == screen)
      return NULL;
  
  memset(screen, 0, sizeof *screen);

  __glXScreenInit(&screen->base, pScreen);

  screen->base.destroy        = __glXAquaScreenDestroy;
  screen->base.createContext  = __glXAquaScreenCreateContext;
  screen->base.createDrawable = __glXAquaScreenCreateDrawable;
  screen->base.pScreen       = pScreen;

  return &screen->base;
}

static void __glXAquaDrawableDestroy(__GLXdrawable *base) {
    GLAQUA_DEBUG_MSG("glAquaDestroyDrawablePrivate\n");

    /* It doesn't work to call DRIDestroySurface here, the drawable's
       already gone.. But dri.c notices the window destruction and
       frees the surface itself. */

    xfree(base);
}

static __GLXdrawable *
__glXAquaScreenCreateDrawable(__GLXscreen *screen,
			      DrawablePtr pDraw,
			      XID drawId,
			      __GLcontextModes *modes) {
  __GLXAquaDrawable *glxPriv;

  GLAQUA_DEBUG_MSG("%s(%p,%p,0x%lx,%p)\n", __func__, (void *)context, 
		   (void *)pDraw, drawId, (void *)modes);

  glxPriv = xalloc(sizeof *glxPriv);

  if (glxPriv == NULL) 
      return NULL;

  memset(glxPriv, 0, sizeof *glxPriv);

  if (!__glXDrawableInit(&glxPriv->base, screen, pDraw, drawId, modes)) {
    xfree(glxPriv);
    return NULL;
  }

  glxPriv->base.destroy       = __glXAquaDrawableDestroy;
  glxPriv->base.resize        = __glXAquaDrawableResize;
  glxPriv->base.swapBuffers   = __glXAquaDrawableSwapBuffers;
  //  glxPriv->base.copySubBuffer = __glXAquaDrawableCopySubBuffer;

  return &glxPriv->base;
}

static void glAquaResetExtension(void)
{
    GLAQUA_DEBUG_MSG("glAquaResetExtension\n");
    CGLSetOption(kCGLGOResetLibrary, GL_TRUE);
}

// Extra goodies for glx

GLuint __glFloorLog2(GLuint val)
{
    int c = 0;

    while (val > 1) {
        c++;
        val >>= 1;
    }
    return c;
}

void warn_func(void * p1, char *format, ...) {
  va_list v;
  va_start(v, format);
  vfprintf(stderr, format, v);
  va_end(v);
}



static void setup_dispatch_table(void) {
    struct _glapi_table *disp=_glapi_get_dispatch();
    _glapi_set_warning_func((_glapi_warning_func)warn_func);
    _glapi_noop_enable_warnings(TRUE);

    /* to update:
     * for f in $(grep 'define SET_' ../../../glx/dispatch.h  | cut -f2 -d' ' | cut -f1 -d\( | sort -u); do grep -q $f indirect.c || echo $f ; done | grep -v by_offset | sed 's:SET_\(.*\)$:SET_\1(disp, gl\1)\;:' | pbcopy
     */

    SET_Accum(disp, glAccum);
    SET_AlphaFunc(disp, glAlphaFunc);
    SET_AreTexturesResident(disp, glAreTexturesResident);
    SET_ArrayElement(disp, glArrayElement);
    SET_Begin(disp, glBegin);
    SET_BindTexture(disp, glBindTexture);
    SET_Bitmap(disp, glBitmap);
    SET_BlendColor(disp, glBlendColor);
    SET_BlendEquation(disp, glBlendEquation);
    SET_BlendFunc(disp, glBlendFunc);
    SET_CallList(disp, glCallList);
    SET_CallLists(disp, glCallLists);
    SET_Clear(disp, glClear);
    SET_ClearAccum(disp, glClearAccum);
    SET_ClearColor(disp, glClearColor);
    SET_ClearDepth(disp, glClearDepth);
    SET_ClearIndex(disp, glClearIndex);
    SET_ClearStencil(disp, glClearStencil);
    SET_ClipPlane(disp, glClipPlane);
    SET_Color3b(disp, glColor3b);
    SET_Color3bv(disp, glColor3bv);
    SET_Color3d(disp, glColor3d);
    SET_Color3dv(disp, glColor3dv);
    SET_Color3f(disp, glColor3f);
    SET_Color3fv(disp, glColor3fv);
    SET_Color3i(disp, glColor3i);
    SET_Color3iv(disp, glColor3iv);
    SET_Color3s(disp, glColor3s);
    SET_Color3sv(disp, glColor3sv);
    SET_Color3ub(disp, glColor3ub);
    SET_Color3ubv(disp, glColor3ubv);
    SET_Color3ui(disp, glColor3ui);
    SET_Color3uiv(disp, glColor3uiv);
    SET_Color3us(disp, glColor3us);
    SET_Color3usv(disp, glColor3usv);
    SET_Color4b(disp, glColor4b);
    SET_Color4bv(disp, glColor4bv);
    SET_Color4d(disp, glColor4d);
    SET_Color4dv(disp, glColor4dv);
    SET_Color4f(disp, glColor4f);
    SET_Color4fv(disp, glColor4fv);
    SET_Color4i(disp, glColor4i);
    SET_Color4iv(disp, glColor4iv);
    SET_Color4s(disp, glColor4s);
    SET_Color4sv(disp, glColor4sv);
    SET_Color4ub(disp, glColor4ub);
    SET_Color4ubv(disp, glColor4ubv);
    SET_Color4ui(disp, glColor4ui);
    SET_Color4uiv(disp, glColor4uiv);
    SET_Color4us(disp, glColor4us);
    SET_Color4usv(disp, glColor4usv);
    SET_ColorMask(disp, glColorMask);
    SET_ColorMaterial(disp, glColorMaterial);
    SET_ColorPointer(disp, glColorPointer);
    SET_ColorSubTable(disp, glColorSubTable);
    SET_ColorTable(disp, glColorTable);
    SET_ColorTableParameterfv(disp, glColorTableParameterfv);
    SET_ColorTableParameteriv(disp, glColorTableParameteriv);
    SET_ConvolutionFilter1D(disp, glConvolutionFilter1D);
    SET_ConvolutionFilter2D(disp, glConvolutionFilter2D);
    SET_ConvolutionParameterf(disp, glConvolutionParameterf);
    SET_ConvolutionParameterfv(disp, glConvolutionParameterfv);
    SET_ConvolutionParameteri(disp, glConvolutionParameteri);
    SET_ConvolutionParameteriv(disp, glConvolutionParameteriv);
    SET_CopyColorSubTable(disp, glCopyColorSubTable);
    SET_CopyColorTable(disp, glCopyColorTable);
    SET_CopyConvolutionFilter1D(disp, glCopyConvolutionFilter1D);
    SET_CopyConvolutionFilter2D(disp, glCopyConvolutionFilter2D);
    SET_CopyPixels(disp, glCopyPixels);
    SET_CopyTexImage1D(disp, glCopyTexImage1D);
    SET_CopyTexImage2D(disp, glCopyTexImage2D);
    SET_CopyTexSubImage1D(disp, glCopyTexSubImage1D);
    SET_CopyTexSubImage2D(disp, glCopyTexSubImage2D);
    SET_CopyTexSubImage3D(disp, glCopyTexSubImage3D);
    SET_CullFace(disp, glCullFace);
    SET_DeleteLists(disp, glDeleteLists);
    SET_DeleteTextures(disp, glDeleteTextures);
    SET_DepthFunc(disp, glDepthFunc);
    SET_DepthMask(disp, glDepthMask);
    SET_DepthRange(disp, glDepthRange);
    SET_Disable(disp, glDisable);
    SET_DisableClientState(disp, glDisableClientState);
    SET_DrawArrays(disp, glDrawArrays);
    SET_DrawBuffer(disp, glDrawBuffer);
    SET_DrawElements(disp, glDrawElements);
    SET_DrawPixels(disp, glDrawPixels);
    SET_DrawRangeElements(disp, glDrawRangeElements);
    SET_EdgeFlag(disp, glEdgeFlag);
    SET_EdgeFlagPointer(disp, glEdgeFlagPointer);
    SET_EdgeFlagv(disp, glEdgeFlagv);
    SET_Enable(disp, glEnable);
    SET_EnableClientState(disp, glEnableClientState);
    SET_End(disp, glEnd);
    SET_EndList(disp, glEndList);
    SET_EvalCoord1d(disp, glEvalCoord1d);
    SET_EvalCoord1dv(disp, glEvalCoord1dv);
    SET_EvalCoord1f(disp, glEvalCoord1f);
    SET_EvalCoord1fv(disp, glEvalCoord1fv);
    SET_EvalCoord2d(disp, glEvalCoord2d);
    SET_EvalCoord2dv(disp, glEvalCoord2dv);
    SET_EvalCoord2f(disp, glEvalCoord2f);
    SET_EvalCoord2fv(disp, glEvalCoord2fv);
    SET_EvalMesh1(disp, glEvalMesh1);
    SET_EvalMesh2(disp, glEvalMesh2);
    SET_EvalPoint1(disp, glEvalPoint1);
    SET_EvalPoint2(disp, glEvalPoint2);
    SET_FeedbackBuffer(disp, glFeedbackBuffer);
    SET_Finish(disp, glFinish);
    SET_Flush(disp, glFlush);
    SET_Fogf(disp, glFogf);
    SET_Fogfv(disp, glFogfv);
    SET_Fogi(disp, glFogi);
    SET_Fogiv(disp, glFogiv);
    SET_FrontFace(disp, glFrontFace);
    SET_Frustum(disp, glFrustum);
    SET_GenLists(disp, glGenLists);
    SET_GenTextures(disp, glGenTextures);
    SET_GetBooleanv(disp, glGetBooleanv);
    SET_GetClipPlane(disp, glGetClipPlane);
    SET_GetColorTable(disp, glGetColorTable);
    SET_GetColorTableParameterfv(disp, glGetColorTableParameterfv);
    SET_GetColorTableParameteriv(disp, glGetColorTableParameteriv);
    SET_GetConvolutionFilter(disp, glGetConvolutionFilter);
    SET_GetConvolutionParameterfv(disp, glGetConvolutionParameterfv);
    SET_GetConvolutionParameteriv(disp, glGetConvolutionParameteriv);
    SET_GetDoublev(disp, glGetDoublev);
    SET_GetError(disp, glGetError);
    SET_GetFloatv(disp, glGetFloatv);
    SET_GetHistogram(disp, glGetHistogram);
    SET_GetHistogramParameterfv(disp, glGetHistogramParameterfv);
    SET_GetHistogramParameteriv(disp, glGetHistogramParameteriv);
    SET_GetIntegerv(disp, glGetIntegerv);
    SET_GetLightfv(disp, glGetLightfv);
    SET_GetLightiv(disp, glGetLightiv);
    SET_GetMapdv(disp, glGetMapdv);
    SET_GetMapfv(disp, glGetMapfv);
    SET_GetMapiv(disp, glGetMapiv);
    SET_GetMaterialfv(disp, glGetMaterialfv);
    SET_GetMaterialiv(disp, glGetMaterialiv);
    SET_GetMinmax(disp, glGetMinmax);
    SET_GetMinmaxParameterfv(disp, glGetMinmaxParameterfv);
    SET_GetMinmaxParameteriv(disp, glGetMinmaxParameteriv);
    SET_GetPixelMapfv(disp, glGetPixelMapfv);
    SET_GetPixelMapuiv(disp, glGetPixelMapuiv);
    SET_GetPixelMapusv(disp, glGetPixelMapusv);
    SET_GetPointerv(disp, glGetPointerv);
    SET_GetPolygonStipple(disp, glGetPolygonStipple);
    SET_GetSeparableFilter(disp, glGetSeparableFilter);
    SET_GetString(disp, glGetString);
    SET_GetTexEnvfv(disp, glGetTexEnvfv);
    SET_GetTexEnviv(disp, glGetTexEnviv);
    SET_GetTexGendv(disp, glGetTexGendv);
    SET_GetTexGenfv(disp, glGetTexGenfv);
    SET_GetTexGeniv(disp, glGetTexGeniv);
    SET_GetTexImage(disp, glGetTexImage);
    SET_GetTexLevelParameterfv(disp, glGetTexLevelParameterfv);
    SET_GetTexLevelParameteriv(disp, glGetTexLevelParameteriv);
    SET_GetTexParameterfv(disp, glGetTexParameterfv);
    SET_GetTexParameteriv(disp, glGetTexParameteriv);
    SET_Hint(disp, glHint);
    SET_Histogram(disp, glHistogram);
    SET_IndexMask(disp, glIndexMask);
    SET_IndexPointer(disp, glIndexPointer);
    SET_Indexd(disp, glIndexd);
    SET_Indexdv(disp, glIndexdv);
    SET_Indexf(disp, glIndexf);
    SET_Indexfv(disp, glIndexfv);
    SET_Indexi(disp, glIndexi);
    SET_Indexiv(disp, glIndexiv);
    SET_Indexs(disp, glIndexs);
    SET_Indexsv(disp, glIndexsv);
    SET_Indexub(disp, glIndexub);
    SET_Indexubv(disp, glIndexubv);
    SET_InitNames(disp, glInitNames);
    SET_InterleavedArrays(disp, glInterleavedArrays);
    SET_IsEnabled(disp, glIsEnabled);
    SET_IsList(disp, glIsList);
    SET_IsTexture(disp, glIsTexture);
    SET_LightModelf(disp, glLightModelf);
    SET_LightModelfv(disp, glLightModelfv);
    SET_LightModeli(disp, glLightModeli);
    SET_LightModeliv(disp, glLightModeliv);
    SET_Lightf(disp, glLightf);
    SET_Lightfv(disp, glLightfv);
    SET_Lighti(disp, glLighti);
    SET_Lightiv(disp, glLightiv);
    SET_LineStipple(disp, glLineStipple);
    SET_LineWidth(disp, glLineWidth);
    SET_ListBase(disp, glListBase);
    SET_LoadIdentity(disp, glLoadIdentity);
    SET_LoadMatrixd(disp, glLoadMatrixd);
    SET_LoadMatrixf(disp, glLoadMatrixf);
    SET_LoadName(disp, glLoadName);
    SET_LogicOp(disp, glLogicOp);
    SET_Map1d(disp, glMap1d);
    SET_Map1f(disp, glMap1f);
    SET_Map2d(disp, glMap2d);
    SET_Map2f(disp, glMap2f);
    SET_MapGrid1d(disp, glMapGrid1d);
    SET_MapGrid1f(disp, glMapGrid1f);
    SET_MapGrid2d(disp, glMapGrid2d);
    SET_MapGrid2f(disp, glMapGrid2f);
    SET_Materialf(disp, glMaterialf);
    SET_Materialfv(disp, glMaterialfv);
    SET_Materiali(disp, glMateriali);
    SET_Materialiv(disp, glMaterialiv);
    SET_MatrixMode(disp, glMatrixMode);
    SET_Minmax(disp, glMinmax);
    SET_MultMatrixd(disp, glMultMatrixd);
    SET_MultMatrixf(disp, glMultMatrixf);
    SET_NewList(disp, glNewList);
    SET_Normal3b(disp, glNormal3b);
    SET_Normal3bv(disp, glNormal3bv);
    SET_Normal3d(disp, glNormal3d);
    SET_Normal3dv(disp, glNormal3dv);
    SET_Normal3f(disp, glNormal3f);
    SET_Normal3fv(disp, glNormal3fv);
    SET_Normal3i(disp, glNormal3i);
    SET_Normal3iv(disp, glNormal3iv);
    SET_Normal3s(disp, glNormal3s);
    SET_Normal3sv(disp, glNormal3sv);
    SET_NormalPointer(disp, glNormalPointer);
    SET_Ortho(disp, glOrtho);
    SET_PassThrough(disp, glPassThrough);
    SET_PixelMapfv(disp, glPixelMapfv);
    SET_PixelMapuiv(disp, glPixelMapuiv);
    SET_PixelMapusv(disp, glPixelMapusv);
    SET_PixelStoref(disp, glPixelStoref);
    SET_PixelStorei(disp, glPixelStorei);
    SET_PixelTransferf(disp, glPixelTransferf);
    SET_PixelTransferi(disp, glPixelTransferi);
    SET_PixelZoom(disp, glPixelZoom);
    SET_PointSize(disp, glPointSize);
    SET_PolygonMode(disp, glPolygonMode);
    SET_PolygonOffset(disp, glPolygonOffset);
    SET_PolygonStipple(disp, glPolygonStipple);
    SET_PopAttrib(disp, glPopAttrib);
    SET_PopClientAttrib(disp, glPopClientAttrib);
    SET_PopMatrix(disp, glPopMatrix);
    SET_PopName(disp, glPopName);
    SET_PrioritizeTextures(disp, glPrioritizeTextures);
    SET_PushAttrib(disp, glPushAttrib);
    SET_PushClientAttrib(disp, glPushClientAttrib);
    SET_PushMatrix(disp, glPushMatrix);
    SET_PushName(disp, glPushName);
    SET_RasterPos2d(disp, glRasterPos2d);
    SET_RasterPos2dv(disp, glRasterPos2dv);
    SET_RasterPos2f(disp, glRasterPos2f);
    SET_RasterPos2fv(disp, glRasterPos2fv);
    SET_RasterPos2i(disp, glRasterPos2i);
    SET_RasterPos2iv(disp, glRasterPos2iv);
    SET_RasterPos2s(disp, glRasterPos2s);
    SET_RasterPos2sv(disp, glRasterPos2sv);
    SET_RasterPos3d(disp, glRasterPos3d);
    SET_RasterPos3dv(disp, glRasterPos3dv);
    SET_RasterPos3f(disp, glRasterPos3f);
    SET_RasterPos3fv(disp, glRasterPos3fv);
    SET_RasterPos3i(disp, glRasterPos3i);
    SET_RasterPos3iv(disp, glRasterPos3iv);
    SET_RasterPos3s(disp, glRasterPos3s);
    SET_RasterPos3sv(disp, glRasterPos3sv);
    SET_RasterPos4d(disp, glRasterPos4d);
    SET_RasterPos4dv(disp, glRasterPos4dv);
    SET_RasterPos4f(disp, glRasterPos4f);
    SET_RasterPos4fv(disp, glRasterPos4fv);
    SET_RasterPos4i(disp, glRasterPos4i);
    SET_RasterPos4iv(disp, glRasterPos4iv);
    SET_RasterPos4s(disp, glRasterPos4s);
    SET_RasterPos4sv(disp, glRasterPos4sv);
    SET_ReadBuffer(disp, glReadBuffer);
    SET_ReadPixels(disp, glReadPixels);
    SET_Rectd(disp, glRectd);
    SET_Rectdv(disp, glRectdv);
    SET_Rectf(disp, glRectf);
    SET_Rectfv(disp, glRectfv);
    SET_Recti(disp, glRecti);
    SET_Rectiv(disp, glRectiv);
    SET_Rects(disp, glRects);
    SET_Rectsv(disp, glRectsv);
    SET_RenderMode(disp, glRenderMode);
    SET_ResetHistogram(disp, glResetHistogram);
    SET_ResetMinmax(disp, glResetMinmax);
    SET_Rotated(disp, glRotated);
    SET_Rotatef(disp, glRotatef);
    SET_Scaled(disp, glScaled);
    SET_Scalef(disp, glScalef);
    SET_Scissor(disp, glScissor);
    SET_SelectBuffer(disp, glSelectBuffer);
    SET_SeparableFilter2D(disp, glSeparableFilter2D);
    SET_ShadeModel(disp, glShadeModel);
    SET_StencilFunc(disp, glStencilFunc);
    SET_StencilMask(disp, glStencilMask);
    SET_StencilOp(disp, glStencilOp);
    SET_TexCoord1d(disp, glTexCoord1d);
    SET_TexCoord1dv(disp, glTexCoord1dv);
    SET_TexCoord1f(disp, glTexCoord1f);
    SET_TexCoord1fv(disp, glTexCoord1fv);
    SET_TexCoord1i(disp, glTexCoord1i);
    SET_TexCoord1iv(disp, glTexCoord1iv);
    SET_TexCoord1s(disp, glTexCoord1s);
    SET_TexCoord1sv(disp, glTexCoord1sv);
    SET_TexCoord2d(disp, glTexCoord2d);
    SET_TexCoord2dv(disp, glTexCoord2dv);
    SET_TexCoord2f(disp, glTexCoord2f);
    SET_TexCoord2fv(disp, glTexCoord2fv);
    SET_TexCoord2i(disp, glTexCoord2i);
    SET_TexCoord2iv(disp, glTexCoord2iv);
    SET_TexCoord2s(disp, glTexCoord2s);
    SET_TexCoord2sv(disp, glTexCoord2sv);
    SET_TexCoord3d(disp, glTexCoord3d);
    SET_TexCoord3dv(disp, glTexCoord3dv);
    SET_TexCoord3f(disp, glTexCoord3f);
    SET_TexCoord3fv(disp, glTexCoord3fv);
    SET_TexCoord3i(disp, glTexCoord3i);
    SET_TexCoord3iv(disp, glTexCoord3iv);
    SET_TexCoord3s(disp, glTexCoord3s);
    SET_TexCoord3sv(disp, glTexCoord3sv);
    SET_TexCoord4d(disp, glTexCoord4d);
    SET_TexCoord4dv(disp, glTexCoord4dv);
    SET_TexCoord4f(disp, glTexCoord4f);
    SET_TexCoord4fv(disp, glTexCoord4fv);
    SET_TexCoord4i(disp, glTexCoord4i);
    SET_TexCoord4iv(disp, glTexCoord4iv);
    SET_TexCoord4s(disp, glTexCoord4s);
    SET_TexCoord4sv(disp, glTexCoord4sv);
    SET_TexCoordPointer(disp, glTexCoordPointer);
    SET_TexEnvf(disp, glTexEnvf);
    SET_TexEnvfv(disp, glTexEnvfv);
    SET_TexEnvi(disp, glTexEnvi);
    SET_TexEnviv(disp, glTexEnviv);
    SET_TexGend(disp, glTexGend);
    SET_TexGendv(disp, glTexGendv);
    SET_TexGenf(disp, glTexGenf);
    SET_TexGenfv(disp, glTexGenfv);
    SET_TexGeni(disp, glTexGeni);
    SET_TexGeniv(disp, glTexGeniv);
    
    /* Pointer Incompatability:
     * internalformat is a GLenum according to /System/Library/Frameworks/OpenGL.framework/Headers/gl.h
     * extern void glTexImage1D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
     * extern void glTexImage2D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
     * extern void glTexImage3D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
     *
     * and it's a GLint in glx/glapitable.h and according to the man page
     * void ( * TexImage1D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid * pixels);
     * void ( * TexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid * pixels);
     * void ( * TexImage3D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid * pixels);
     *
     * <rdar://problem/6953344> gl.h contains incorrect prototypes for glTexImage[123]D
     */
    
    SET_TexImage1D(disp, (void *)glTexImage1D);
    SET_TexImage2D(disp, (void *)glTexImage2D);
    SET_TexImage3D(disp, (void *)glTexImage3D);
    SET_TexParameterf(disp, glTexParameterf);
    SET_TexParameterfv(disp, glTexParameterfv);
    SET_TexParameteri(disp, glTexParameteri);
    SET_TexParameteriv(disp, glTexParameteriv);
    SET_TexSubImage1D(disp, glTexSubImage1D);
    SET_TexSubImage2D(disp, glTexSubImage2D);
    SET_TexSubImage3D(disp, glTexSubImage3D);
    SET_Translated(disp, glTranslated);
    SET_Translatef(disp, glTranslatef);
    SET_Vertex2d(disp, glVertex2d);
    SET_Vertex2dv(disp, glVertex2dv);
    SET_Vertex2f(disp, glVertex2f);
    SET_Vertex2fv(disp, glVertex2fv);
    SET_Vertex2i(disp, glVertex2i);
    SET_Vertex2iv(disp, glVertex2iv);
    SET_Vertex2s(disp, glVertex2s);
    SET_Vertex2sv(disp, glVertex2sv);
    SET_Vertex3d(disp, glVertex3d);
    SET_Vertex3dv(disp, glVertex3dv);
    SET_Vertex3f(disp, glVertex3f);
    SET_Vertex3fv(disp, glVertex3fv);
    SET_Vertex3i(disp, glVertex3i);
    SET_Vertex3iv(disp, glVertex3iv);
    SET_Vertex3s(disp, glVertex3s);
    SET_Vertex3sv(disp, glVertex3sv);
    SET_Vertex4d(disp, glVertex4d);
    SET_Vertex4dv(disp, glVertex4dv);
    SET_Vertex4f(disp, glVertex4f);
    SET_Vertex4fv(disp, glVertex4fv);
    SET_Vertex4i(disp, glVertex4i);
    SET_Vertex4iv(disp, glVertex4iv);
    SET_Vertex4s(disp, glVertex4s);
    SET_Vertex4sv(disp, glVertex4sv);
    SET_VertexPointer(disp, glVertexPointer);
    SET_Viewport(disp, glViewport);

#if GL_VERSION_2_0
    SET_AttachShader(disp, glAttachShader);
    SET_DeleteShader(disp, glDeleteShader);
    SET_DetachShader(disp, glDetachShader);
    SET_GetAttachedShaders(disp, glGetAttachedShaders);
    SET_GetProgramInfoLog(disp, glGetProgramInfoLog);
    SET_GetShaderInfoLog(disp, glGetShaderInfoLog);
    SET_GetShaderiv(disp, glGetShaderiv);
    SET_IsShader(disp, glIsShader);
    SET_StencilFuncSeparate(disp, glStencilFuncSeparate);
    SET_StencilMaskSeparate(disp, glStencilMaskSeparate);
    SET_StencilOpSeparate(disp, glStencilOpSeparate);
#endif

#if GL_VERSION_2_1
    SET_UniformMatrix2x3fv(disp, glUniformMatrix2x3fv);
    SET_UniformMatrix2x4fv(disp, glUniformMatrix2x4fv);
    SET_UniformMatrix3x2fv(disp, glUniformMatrix3x2fv);
    SET_UniformMatrix3x4fv(disp, glUniformMatrix3x4fv);
    SET_UniformMatrix4x2fv(disp, glUniformMatrix4x2fv);
    SET_UniformMatrix4x3fv(disp, glUniformMatrix4x3fv);
#endif

#if GL_APPLE_vertex_array_object
    SET_BindVertexArrayAPPLE(disp, glBindVertexArrayAPPLE);
    SET_DeleteVertexArraysAPPLE(disp, glDeleteVertexArraysAPPLE);
    SET_GenVertexArraysAPPLE(disp, glGenVertexArraysAPPLE);
    SET_IsVertexArrayAPPLE(disp, glIsVertexArrayAPPLE);
#endif

#if GL_ARB_draw_buffers
    SET_DrawBuffersARB(disp, glDrawBuffersARB);
#endif

#if GL_ARB_multisample
    SET_SampleCoverageARB(disp, glSampleCoverageARB);
#endif

#if GL_ARB_multitexture
    SET_ActiveTextureARB(disp, glActiveTextureARB);
    SET_ClientActiveTextureARB(disp, glClientActiveTextureARB);
    SET_MultiTexCoord1dARB(disp, glMultiTexCoord1dARB);
    SET_MultiTexCoord1dvARB(disp, glMultiTexCoord1dvARB);
    SET_MultiTexCoord1fARB(disp, glMultiTexCoord1fARB);
    SET_MultiTexCoord1fvARB(disp, glMultiTexCoord1fvARB);
    SET_MultiTexCoord1iARB(disp, glMultiTexCoord1iARB);
    SET_MultiTexCoord1ivARB(disp, glMultiTexCoord1ivARB);
    SET_MultiTexCoord1sARB(disp, glMultiTexCoord1sARB);
    SET_MultiTexCoord1svARB(disp, glMultiTexCoord1svARB);
    SET_MultiTexCoord2dARB(disp, glMultiTexCoord2dARB);
    SET_MultiTexCoord2dvARB(disp, glMultiTexCoord2dvARB);
    SET_MultiTexCoord2fARB(disp, glMultiTexCoord2fARB);
    SET_MultiTexCoord2fvARB(disp, glMultiTexCoord2fvARB);
    SET_MultiTexCoord2iARB(disp, glMultiTexCoord2iARB);
    SET_MultiTexCoord2ivARB(disp, glMultiTexCoord2ivARB);
    SET_MultiTexCoord2sARB(disp, glMultiTexCoord2sARB);
    SET_MultiTexCoord2svARB(disp, glMultiTexCoord2svARB);
    SET_MultiTexCoord3dARB(disp, glMultiTexCoord3dARB);
    SET_MultiTexCoord3dvARB(disp, glMultiTexCoord3dvARB);
    SET_MultiTexCoord3fARB(disp, glMultiTexCoord3fARB);
    SET_MultiTexCoord3fvARB(disp, glMultiTexCoord3fvARB);
    SET_MultiTexCoord3iARB(disp, glMultiTexCoord3iARB);
    SET_MultiTexCoord3ivARB(disp, glMultiTexCoord3ivARB);
    SET_MultiTexCoord3sARB(disp, glMultiTexCoord3sARB);
    SET_MultiTexCoord3svARB(disp, glMultiTexCoord3svARB);
    SET_MultiTexCoord4dARB(disp, glMultiTexCoord4dARB);
    SET_MultiTexCoord4dvARB(disp, glMultiTexCoord4dvARB);
    SET_MultiTexCoord4fARB(disp, glMultiTexCoord4fARB);
    SET_MultiTexCoord4fvARB(disp, glMultiTexCoord4fvARB);
    SET_MultiTexCoord4iARB(disp, glMultiTexCoord4iARB);
    SET_MultiTexCoord4ivARB(disp, glMultiTexCoord4ivARB);
    SET_MultiTexCoord4sARB(disp, glMultiTexCoord4sARB);
    SET_MultiTexCoord4svARB(disp, glMultiTexCoord4svARB);
#endif

#if GL_ARB_occlusion_query
    SET_BeginQueryARB(disp, glBeginQueryARB);
    SET_DeleteQueriesARB(disp, glDeleteQueriesARB);
    SET_EndQueryARB(disp, glEndQueryARB);
    SET_GenQueriesARB(disp, glGenQueriesARB);
    SET_GetQueryObjectivARB(disp, glGetQueryObjectivARB);
    SET_GetQueryObjectuivARB(disp, glGetQueryObjectuivARB);
    SET_GetQueryivARB(disp, glGetQueryivARB);
    SET_IsQueryARB(disp, glIsQueryARB);
#endif

#if GL_ARB_shader_objects
    SET_AttachObjectARB(disp, glAttachObjectARB);
    SET_CompileShaderARB(disp, glCompileShaderARB);
    SET_DeleteObjectARB(disp, glDeleteObjectARB);
    SET_GetHandleARB(disp, glGetHandleARB);
    SET_DetachObjectARB(disp, glDetachObjectARB);
    SET_CreateProgramObjectARB(disp, glCreateProgramObjectARB);
    SET_CreateShaderObjectARB(disp, glCreateShaderObjectARB);
    SET_GetInfoLogARB(disp, glGetInfoLogARB);
    SET_GetActiveUniformARB(disp, glGetActiveUniformARB);
    SET_GetAttachedObjectsARB(disp, glGetAttachedObjectsARB);
    SET_GetObjectParameterfvARB(disp, glGetObjectParameterfvARB);
    SET_GetObjectParameterivARB(disp, glGetObjectParameterivARB);
    SET_GetShaderSourceARB(disp, glGetShaderSourceARB);
    SET_GetUniformLocationARB(disp, glGetUniformLocationARB);
    SET_GetUniformfvARB(disp, glGetUniformfvARB);
    SET_GetUniformivARB(disp, glGetUniformivARB);
    SET_LinkProgramARB(disp, glLinkProgramARB);
    SET_ShaderSourceARB(disp, glShaderSourceARB);
    SET_Uniform1fARB(disp, glUniform1fARB);
    SET_Uniform1fvARB(disp, glUniform1fvARB);
    SET_Uniform1iARB(disp, glUniform1iARB);
    SET_Uniform1ivARB(disp, glUniform1ivARB);
    SET_Uniform2fARB(disp, glUniform2fARB);
    SET_Uniform2fvARB(disp, glUniform2fvARB);
    SET_Uniform2iARB(disp, glUniform2iARB);
    SET_Uniform2ivARB(disp, glUniform2ivARB);
    SET_Uniform3fARB(disp, glUniform3fARB);
    SET_Uniform3fvARB(disp, glUniform3fvARB);
    SET_Uniform3iARB(disp, glUniform3iARB);
    SET_Uniform3ivARB(disp, glUniform3ivARB);
    SET_Uniform4fARB(disp, glUniform4fARB);
    SET_Uniform4fvARB(disp, glUniform4fvARB);
    SET_Uniform4iARB(disp, glUniform4iARB);
    SET_Uniform4ivARB(disp, glUniform4ivARB);
    SET_UniformMatrix2fvARB(disp, glUniformMatrix2fvARB);
    SET_UniformMatrix3fvARB(disp, glUniformMatrix3fvARB);
    SET_UniformMatrix4fvARB(disp, glUniformMatrix4fvARB);
    SET_UseProgramObjectARB(disp, glUseProgramObjectARB);
    SET_ValidateProgramARB(disp, glValidateProgramARB);
#endif

#if GL_ARB_texture_compression
    SET_CompressedTexImage1DARB(disp, glCompressedTexImage1DARB);
    SET_CompressedTexImage2DARB(disp, glCompressedTexImage2DARB);
    SET_CompressedTexImage3DARB(disp, glCompressedTexImage3DARB);
    SET_CompressedTexSubImage1DARB(disp, glCompressedTexSubImage1DARB);
    SET_CompressedTexSubImage2DARB(disp, glCompressedTexSubImage2DARB);
    SET_CompressedTexSubImage3DARB(disp, glCompressedTexSubImage3DARB);
    SET_GetCompressedTexImageARB(disp, glGetCompressedTexImageARB);
#endif

#if GL_ARB_transpose_matrix
    SET_LoadTransposeMatrixdARB(disp, glLoadTransposeMatrixdARB);
    SET_LoadTransposeMatrixfARB(disp, glLoadTransposeMatrixfARB);
    SET_MultTransposeMatrixdARB(disp, glMultTransposeMatrixdARB);
    SET_MultTransposeMatrixfARB(disp, glMultTransposeMatrixfARB);
#endif

#if GL_ARB_vertex_buffer_object
    SET_BindBufferARB(disp, glBindBufferARB);
    SET_BufferDataARB(disp, glBufferDataARB);
    SET_BufferSubDataARB(disp, glBufferSubDataARB);
    SET_DeleteBuffersARB(disp, glDeleteBuffersARB);
    SET_GenBuffersARB(disp, glGenBuffersARB);
    SET_GetBufferParameterivARB(disp, glGetBufferParameterivARB);
    SET_GetBufferPointervARB(disp, glGetBufferPointervARB);
    SET_GetBufferSubDataARB(disp, glGetBufferSubDataARB);
    SET_IsBufferARB(disp, glIsBufferARB);
    SET_MapBufferARB(disp, glMapBufferARB);
    SET_UnmapBufferARB(disp, glUnmapBufferARB);
#endif

#if GL_ARB_vertex_program
    SET_DisableVertexAttribArrayARB(disp, glDisableVertexAttribArrayARB);
    SET_EnableVertexAttribArrayARB(disp, glEnableVertexAttribArrayARB);
    SET_GetProgramEnvParameterdvARB(disp, glGetProgramEnvParameterdvARB);
    SET_GetProgramEnvParameterfvARB(disp, glGetProgramEnvParameterfvARB);
    SET_GetProgramLocalParameterdvARB(disp, glGetProgramLocalParameterdvARB);
    SET_GetProgramLocalParameterfvARB(disp, glGetProgramLocalParameterfvARB);
    SET_GetProgramStringARB(disp, glGetProgramStringARB);
    SET_GetProgramivARB(disp, glGetProgramivARB);
    SET_GetVertexAttribdvARB(disp, glGetVertexAttribdvARB);
    SET_GetVertexAttribfvARB(disp, glGetVertexAttribfvARB);
    SET_GetVertexAttribivARB(disp, glGetVertexAttribivARB);
    SET_ProgramEnvParameter4dARB(disp, glProgramEnvParameter4dARB);
    SET_ProgramEnvParameter4dvARB(disp, glProgramEnvParameter4dvARB);
    SET_ProgramEnvParameter4fARB(disp, glProgramEnvParameter4fARB);
    SET_ProgramEnvParameter4fvARB(disp, glProgramEnvParameter4fvARB);
    SET_ProgramLocalParameter4dARB(disp, glProgramLocalParameter4dARB);
    SET_ProgramLocalParameter4dvARB(disp, glProgramLocalParameter4dvARB);
    SET_ProgramLocalParameter4fARB(disp, glProgramLocalParameter4fARB);
    SET_ProgramLocalParameter4fvARB(disp, glProgramLocalParameter4fvARB);
    SET_ProgramStringARB(disp, glProgramStringARB);
    SET_VertexAttrib1dARB(disp, glVertexAttrib1dARB);
    SET_VertexAttrib1dvARB(disp, glVertexAttrib1dvARB);
    SET_VertexAttrib1fARB(disp, glVertexAttrib1fARB);
    SET_VertexAttrib1fvARB(disp, glVertexAttrib1fvARB);
    SET_VertexAttrib1sARB(disp, glVertexAttrib1sARB);
    SET_VertexAttrib1svARB(disp, glVertexAttrib1svARB);
    SET_VertexAttrib2dARB(disp, glVertexAttrib2dARB);
    SET_VertexAttrib2dvARB(disp, glVertexAttrib2dvARB);
    SET_VertexAttrib2fARB(disp, glVertexAttrib2fARB);
    SET_VertexAttrib2fvARB(disp, glVertexAttrib2fvARB);
    SET_VertexAttrib2sARB(disp, glVertexAttrib2sARB);
    SET_VertexAttrib2svARB(disp, glVertexAttrib2svARB);
    SET_VertexAttrib3dARB(disp, glVertexAttrib3dARB);
    SET_VertexAttrib3dvARB(disp, glVertexAttrib3dvARB);
    SET_VertexAttrib3fARB(disp, glVertexAttrib3fARB);
    SET_VertexAttrib3fvARB(disp, glVertexAttrib3fvARB);
    SET_VertexAttrib3sARB(disp, glVertexAttrib3sARB);
    SET_VertexAttrib3svARB(disp, glVertexAttrib3svARB);
    SET_VertexAttrib4NbvARB(disp, glVertexAttrib4NbvARB);
    SET_VertexAttrib4NivARB(disp, glVertexAttrib4NivARB);
    SET_VertexAttrib4NsvARB(disp, glVertexAttrib4NsvARB);
    SET_VertexAttrib4NubARB(disp, glVertexAttrib4NubARB);
    SET_VertexAttrib4NubvARB(disp, glVertexAttrib4NubvARB);
    SET_VertexAttrib4NuivARB(disp, glVertexAttrib4NuivARB);
    SET_VertexAttrib4NusvARB(disp, glVertexAttrib4NusvARB);
    SET_VertexAttrib4bvARB(disp, glVertexAttrib4bvARB);
    SET_VertexAttrib4dARB(disp, glVertexAttrib4dARB);
    SET_VertexAttrib4dvARB(disp, glVertexAttrib4dvARB);
    SET_VertexAttrib4fARB(disp, glVertexAttrib4fARB);
    SET_VertexAttrib4fvARB(disp, glVertexAttrib4fvARB);
    SET_VertexAttrib4ivARB(disp, glVertexAttrib4ivARB);
    SET_VertexAttrib4sARB(disp, glVertexAttrib4sARB);
    SET_VertexAttrib4svARB(disp, glVertexAttrib4svARB);
    SET_VertexAttrib4ubvARB(disp, glVertexAttrib4ubvARB);
    SET_VertexAttrib4uivARB(disp, glVertexAttrib4uivARB);
    SET_VertexAttrib4usvARB(disp, glVertexAttrib4usvARB);
    SET_VertexAttribPointerARB(disp, glVertexAttribPointerARB);
#endif

#if GL_ARB_vertex_shader
    SET_BindAttribLocationARB(disp, glBindAttribLocationARB);
    SET_GetActiveAttribARB(disp, glGetActiveAttribARB);
    SET_GetAttribLocationARB(disp, glGetAttribLocationARB);
#endif

#if GL_ARB_window_pos
    SET_WindowPos2dMESA(disp, glWindowPos2dARB);
    SET_WindowPos2dvMESA(disp, glWindowPos2dvARB);
    SET_WindowPos2fMESA(disp, glWindowPos2fARB);
    SET_WindowPos2fvMESA(disp, glWindowPos2fvARB);
    SET_WindowPos2iMESA(disp, glWindowPos2iARB);
    SET_WindowPos2ivMESA(disp, glWindowPos2ivARB);
    SET_WindowPos2sMESA(disp, glWindowPos2sARB);
    SET_WindowPos2svMESA(disp, glWindowPos2svARB);
    SET_WindowPos3dMESA(disp, glWindowPos3dARB);
    SET_WindowPos3dvMESA(disp, glWindowPos3dvARB);
    SET_WindowPos3fMESA(disp, glWindowPos3fARB);
    SET_WindowPos3fvMESA(disp, glWindowPos3fvARB);
    SET_WindowPos3iMESA(disp, glWindowPos3iARB);
    SET_WindowPos3ivMESA(disp, glWindowPos3ivARB);
    SET_WindowPos3sMESA(disp, glWindowPos3sARB);
    SET_WindowPos3svMESA(disp, glWindowPos3svARB);
#endif

#if GL_ATI_fragment_shader
    SET_AlphaFragmentOp1ATI(disp, glAlphaFragmentOp1ATI);
    SET_AlphaFragmentOp2ATI(disp, glAlphaFragmentOp2ATI);
    SET_AlphaFragmentOp3ATI(disp, glAlphaFragmentOp3ATI);
    SET_BeginFragmentShaderATI(disp, glBeginFragmentShaderATI);
    SET_BindFragmentShaderATI(disp, glBindFragmentShaderATI);
    SET_ColorFragmentOp1ATI(disp, glColorFragmentOp1ATI);
    SET_ColorFragmentOp2ATI(disp, glColorFragmentOp2ATI);
    SET_ColorFragmentOp3ATI(disp, glColorFragmentOp3ATI);
    SET_DeleteFragmentShaderATI(disp, glDeleteFragmentShaderATI);
    SET_EndFragmentShaderATI(disp, glEndFragmentShaderATI);
    SET_GenFragmentShadersATI(disp, glGenFragmentShadersATI);
    SET_PassTexCoordATI(disp, glPassTexCoordATI);
    SET_SampleMapATI(disp, glSampleMapATI);
    SET_SetFragmentShaderConstantATI(disp, glSetFragmentShaderConstantATI);
#elif GL_EXT_fragment_shader
    SET_AlphaFragmentOp1ATI(disp, glAlphaFragmentOp1EXT);
    SET_AlphaFragmentOp2ATI(disp, glAlphaFragmentOp2EXT);
    SET_AlphaFragmentOp3ATI(disp, glAlphaFragmentOp3EXT);
    SET_BeginFragmentShaderATI(disp, glBeginFragmentShaderEXT);
    SET_BindFragmentShaderATI(disp, glBindFragmentShaderEXT);
    SET_ColorFragmentOp1ATI(disp, glColorFragmentOp1EXT);
    SET_ColorFragmentOp2ATI(disp, glColorFragmentOp2EXT);
    SET_ColorFragmentOp3ATI(disp, glColorFragmentOp3EXT);
    SET_DeleteFragmentShaderATI(disp, glDeleteFragmentShaderEXT);
    SET_EndFragmentShaderATI(disp, glEndFragmentShaderEXT);
    SET_GenFragmentShadersATI(disp, glGenFragmentShadersEXT);
    SET_PassTexCoordATI(disp, glPassTexCoordEXT);
    SET_SampleMapATI(disp, glSampleMapEXT);
    SET_SetFragmentShaderConstantATI(disp, glSetFragmentShaderConstantEXT);
#endif

#if GL_ATI_separate_stencil
    SET_StencilFuncSeparateATI(disp, glStencilFuncSeparateATI);
#endif

#if GL_EXT_blend_equation_separate
    SET_BlendEquationSeparateEXT(disp, glBlendEquationSeparateEXT);
#endif

#if GL_EXT_blend_func_separate
    SET_BlendFuncSeparateEXT(disp, glBlendFuncSeparateEXT);
#endif

#if GL_EXT_depth_bounds_test
    SET_DepthBoundsEXT(disp, glDepthBoundsEXT);
#endif

#if GL_EXT_compiled_vertex_array
    SET_LockArraysEXT(disp, glLockArraysEXT);
    SET_UnlockArraysEXT(disp, glUnlockArraysEXT);
#endif

#if GL_EXT_cull_vertex
    SET_CullParameterdvEXT(disp, glCullParameterdvEXT);
    SET_CullParameterfvEXT(disp, glCullParameterfvEXT);
#endif

#if GL_EXT_fog_coord
    SET_FogCoordPointerEXT(disp, glFogCoordPointerEXT);
    SET_FogCoorddEXT(disp, glFogCoorddEXT);
    SET_FogCoorddvEXT(disp, glFogCoorddvEXT);
    SET_FogCoordfEXT(disp, glFogCoordfEXT);
    SET_FogCoordfvEXT(disp, glFogCoordfvEXT);
#endif

#if GL_EXT_framebuffer_blit
    SET_BlitFramebufferEXT(disp, glBlitFramebufferEXT);
#endif

#if GL_EXT_framebuffer_object
    SET_BindFramebufferEXT(disp, glBindFramebufferEXT);
    SET_BindRenderbufferEXT(disp, glBindRenderbufferEXT);
    SET_CheckFramebufferStatusEXT(disp, glCheckFramebufferStatusEXT);
    SET_DeleteFramebuffersEXT(disp, glDeleteFramebuffersEXT);
    SET_DeleteRenderbuffersEXT(disp, glDeleteRenderbuffersEXT);
    SET_FramebufferRenderbufferEXT(disp, glFramebufferRenderbufferEXT);
    SET_FramebufferTexture1DEXT(disp, glFramebufferTexture1DEXT);
    SET_FramebufferTexture2DEXT(disp, glFramebufferTexture2DEXT);
    SET_FramebufferTexture3DEXT(disp, glFramebufferTexture3DEXT);
    SET_GenerateMipmapEXT(disp, glGenerateMipmapEXT);
    SET_GenFramebuffersEXT(disp, glGenFramebuffersEXT);
    SET_GenRenderbuffersEXT(disp, glGenRenderbuffersEXT);
    SET_GetFramebufferAttachmentParameterivEXT(disp, glGetFramebufferAttachmentParameterivEXT);
    SET_GetRenderbufferParameterivEXT(disp, glGetRenderbufferParameterivEXT);
    SET_IsFramebufferEXT(disp, glIsFramebufferEXT);
    SET_IsRenderbufferEXT(disp, glIsRenderbufferEXT);
    SET_RenderbufferStorageEXT(disp, glRenderbufferStorageEXT);
#endif

#if GL_EXT_gpu_program_parameters
    SET_ProgramEnvParameters4fvEXT(disp, glProgramEnvParameters4fvEXT);
    SET_ProgramLocalParameters4fvEXT(disp, glProgramLocalParameters4fvEXT);
#endif

#if GL_EXT_multi_draw_arrays
    /* Pointer Incompatability:
     * This warning can be safely ignored.  OpenGL.framework adds const to the
     * two pointers.
     *
     * extern void glMultiDrawArraysEXT (GLenum, const GLint *, const GLsizei *, GLsizei);
     *
     * void ( * MultiDrawArraysEXT)(GLenum mode, GLint * first, GLsizei * count, GLsizei primcount);
     */
    SET_MultiDrawArraysEXT(disp, (void *)glMultiDrawArraysEXT);
    SET_MultiDrawElementsEXT(disp, glMultiDrawElementsEXT);
#endif

#if GL_EXT_point_parameters
    SET_PointParameterfEXT(disp, glPointParameterfEXT);
    SET_PointParameterfvEXT(disp, glPointParameterfvEXT);
#elif GL_ARB_point_parameters
    SET_PointParameterfEXT(disp, glPointParameterfARB);
    SET_PointParameterfvEXT(disp, glPointParameterfvARB);
#endif

#if GL_EXT_polygon_offset
    SET_PolygonOffsetEXT(disp, glPolygonOffsetEXT);
#endif

#if GL_EXT_secondary_color
    SET_SecondaryColor3bEXT(disp, glSecondaryColor3bEXT);
    SET_SecondaryColor3bvEXT(disp, glSecondaryColor3bvEXT);
    SET_SecondaryColor3dEXT(disp, glSecondaryColor3dEXT);
    SET_SecondaryColor3dvEXT(disp, glSecondaryColor3dvEXT);
    SET_SecondaryColor3fEXT(disp, glSecondaryColor3fEXT);
    SET_SecondaryColor3fvEXT(disp, glSecondaryColor3fvEXT);
    SET_SecondaryColor3iEXT(disp, glSecondaryColor3iEXT);
    SET_SecondaryColor3ivEXT(disp, glSecondaryColor3ivEXT);
    SET_SecondaryColor3sEXT(disp, glSecondaryColor3sEXT);
    SET_SecondaryColor3svEXT(disp, glSecondaryColor3svEXT);
    SET_SecondaryColor3ubEXT(disp, glSecondaryColor3ubEXT);
    SET_SecondaryColor3ubvEXT(disp, glSecondaryColor3ubvEXT);
    SET_SecondaryColor3uiEXT(disp, glSecondaryColor3uiEXT);
    SET_SecondaryColor3uivEXT(disp, glSecondaryColor3uivEXT);
    SET_SecondaryColor3usEXT(disp, glSecondaryColor3usEXT);
    SET_SecondaryColor3usvEXT(disp, glSecondaryColor3usvEXT);
    SET_SecondaryColorPointerEXT(disp, glSecondaryColorPointerEXT);
#endif

#if GL_EXT_stencil_two_side
    SET_ActiveStencilFaceEXT(disp, glActiveStencilFaceEXT);
#endif

#if GL_EXT_timer_query
    SET_GetQueryObjecti64vEXT(disp, glGetQueryObjecti64vEXT);
    SET_GetQueryObjectui64vEXT(disp, glGetQueryObjectui64vEXT);
#endif

#if GL_EXT_vertex_array
    SET_ColorPointerEXT(disp, glColorPointerEXT);
    SET_EdgeFlagPointerEXT(disp, glEdgeFlagPointerEXT);
    SET_IndexPointerEXT(disp, glIndexPointerEXT);
    SET_NormalPointerEXT(disp, glNormalPointerEXT);
    SET_TexCoordPointerEXT(disp, glTexCoordPointerEXT);
    SET_VertexPointerEXT(disp, glVertexPointerEXT);
#endif

#if GL_IBM_multimode_draw_arrays
    SET_MultiModeDrawArraysIBM(disp, glMultiModeDrawArraysIBM);
    SET_MultiModeDrawElementsIBM(disp, glMultiModeDrawElementsIBM);
#endif

#if GL_MESA_resize_buffers
    SET_ResizeBuffersMESA(disp, glResizeBuffersMESA);
#endif

#if GL_MESA_window_pos
    SET_WindowPos4dMESA(disp, glWindowPos4dMESA);
    SET_WindowPos4dvMESA(disp, glWindowPos4dvMESA);
    SET_WindowPos4fMESA(disp, glWindowPos4fMESA);
    SET_WindowPos4fvMESA(disp, glWindowPos4fvMESA);
    SET_WindowPos4iMESA(disp, glWindowPos4iMESA);
    SET_WindowPos4ivMESA(disp, glWindowPos4ivMESA);
    SET_WindowPos4sMESA(disp, glWindowPos4sMESA);
    SET_WindowPos4svMESA(disp, glWindowPos4svMESA);
#endif

#if GL_NV_fence
    SET_DeleteFencesNV(disp, glDeleteFencesNV);
    SET_FinishFenceNV(disp, glFinishFenceNV);
    SET_GenFencesNV(disp, glGenFencesNV);
    SET_GetFenceivNV(disp, glGetFenceivNV);
    SET_IsFenceNV(disp, glIsFenceNV);
    SET_SetFenceNV(disp, glSetFenceNV);
    SET_TestFenceNV(disp, glTestFenceNV);
#endif

#if GL_NV_fragment_program
    SET_GetProgramNamedParameterdvNV(disp, glGetProgramNamedParameterdvNV);
    SET_GetProgramNamedParameterfvNV(disp, glGetProgramNamedParameterfvNV);
    SET_ProgramNamedParameter4dNV(disp, glProgramNamedParameter4dNV);
    SET_ProgramNamedParameter4dvNV(disp, glProgramNamedParameter4dvNV);
    SET_ProgramNamedParameter4fNV(disp, glProgramNamedParameter4fNV);
    SET_ProgramNamedParameter4fvNV(disp, glProgramNamedParameter4fvNV);
#endif

#if GL_NV_geometry_program4
    SET_FramebufferTextureLayerEXT(disp, glFramebufferTextureLayerEXT);
#endif

#if GL_NV_point_sprite
    SET_PointParameteriNV(disp, glPointParameteriNV);
    SET_PointParameterivNV(disp, glPointParameterivNV);
#endif

#if GL_NV_register_combiners
    SET_CombinerInputNV(disp, glCombinerInputNV);
    SET_CombinerOutputNV(disp, glCombinerOutputNV);
    SET_CombinerParameterfNV(disp, glCombinerParameterfNV);
    SET_CombinerParameterfvNV(disp, glCombinerParameterfvNV);
    SET_CombinerParameteriNV(disp, glCombinerParameteriNV);
    SET_CombinerParameterivNV(disp, glCombinerParameterivNV);
    SET_FinalCombinerInputNV(disp, glFinalCombinerInputNV);
    SET_GetCombinerInputParameterfvNV(disp, glGetCombinerInputParameterfvNV);
    SET_GetCombinerInputParameterivNV(disp, glGetCombinerInputParameterivNV);
    SET_GetCombinerOutputParameterfvNV(disp, glGetCombinerOutputParameterfvNV);
    SET_GetCombinerOutputParameterivNV(disp, glGetCombinerOutputParameterivNV);
    SET_GetFinalCombinerInputParameterfvNV(disp, glGetFinalCombinerInputParameterfvNV);
    SET_GetFinalCombinerInputParameterivNV(disp, glGetFinalCombinerInputParameterivNV);
#endif

#if GL_NV_vertex_array_range
    SET_FlushVertexArrayRangeNV(disp, glFlushVertexArrayRangeNV);
    SET_VertexArrayRangeNV(disp, glVertexArrayRangeNV);
#endif

#if GL_NV_vertex_program
    SET_AreProgramsResidentNV(disp, glAreProgramsResidentNV);
    SET_BindProgramNV(disp, glBindProgramNV);
    SET_DeleteProgramsNV(disp, glDeleteProgramsNV);
    SET_ExecuteProgramNV(disp, glExecuteProgramNV);
    SET_GenProgramsNV(disp, glGenProgramsNV);
    SET_GetProgramParameterdvNV(disp, glGetProgramParameterdvNV);
    SET_GetProgramParameterfvNV(disp, glGetProgramParameterfvNV);
    SET_GetProgramStringNV(disp, glGetProgramStringNV);
    SET_GetProgramivNV(disp, glGetProgramivNV);
    SET_GetTrackMatrixivNV(disp, glGetTrackMatrixivNV);
    SET_GetVertexAttribPointervNV(disp, glGetVertexAttribPointervNV);
    SET_GetVertexAttribdvNV(disp, glGetVertexAttribdvNV);
    SET_GetVertexAttribfvNV(disp, glGetVertexAttribfvNV);
    SET_GetVertexAttribivNV(disp, glGetVertexAttribivNV);
    SET_IsProgramNV(disp, glIsProgramNV);
    SET_LoadProgramNV(disp, glLoadProgramNV);
    SET_ProgramParameters4dvNV(disp, glProgramParameters4dvNV);
    SET_ProgramParameters4fvNV(disp, glProgramParameters4fvNV);
    SET_RequestResidentProgramsNV(disp, glRequestResidentProgramsNV);
    SET_TrackMatrixNV(disp, glTrackMatrixNV);
    SET_VertexAttrib1dNV(disp, glVertexAttrib1dNV)
    SET_VertexAttrib1dvNV(disp, glVertexAttrib1dvNV)
    SET_VertexAttrib1fNV(disp, glVertexAttrib1fNV)
    SET_VertexAttrib1fvNV(disp, glVertexAttrib1fvNV)
    SET_VertexAttrib1sNV(disp, glVertexAttrib1sNV)
    SET_VertexAttrib1svNV(disp, glVertexAttrib1svNV)
    SET_VertexAttrib2dNV(disp, glVertexAttrib2dNV)
    SET_VertexAttrib2dvNV(disp, glVertexAttrib2dvNV)
    SET_VertexAttrib2fNV(disp, glVertexAttrib2fNV)
    SET_VertexAttrib2fvNV(disp, glVertexAttrib2fvNV)
    SET_VertexAttrib2sNV(disp, glVertexAttrib2sNV)
    SET_VertexAttrib2svNV(disp, glVertexAttrib2svNV)
    SET_VertexAttrib3dNV(disp, glVertexAttrib3dNV)
    SET_VertexAttrib3dvNV(disp, glVertexAttrib3dvNV)
    SET_VertexAttrib3fNV(disp, glVertexAttrib3fNV)
    SET_VertexAttrib3fvNV(disp, glVertexAttrib3fvNV)
    SET_VertexAttrib3sNV(disp, glVertexAttrib3sNV)
    SET_VertexAttrib3svNV(disp, glVertexAttrib3svNV)
    SET_VertexAttrib4dNV(disp, glVertexAttrib4dNV)
    SET_VertexAttrib4dvNV(disp, glVertexAttrib4dvNV)
    SET_VertexAttrib4fNV(disp, glVertexAttrib4fNV)
    SET_VertexAttrib4fvNV(disp, glVertexAttrib4fvNV)
    SET_VertexAttrib4sNV(disp, glVertexAttrib4sNV)
    SET_VertexAttrib4svNV(disp, glVertexAttrib4svNV)
    SET_VertexAttrib4ubNV(disp, glVertexAttrib4ubNV)
    SET_VertexAttrib4ubvNV(disp, glVertexAttrib4ubvNV)
    SET_VertexAttribPointerNV(disp, glVertexAttribPointerNV)
    SET_VertexAttribs1dvNV(disp, glVertexAttribs1dvNV)
    SET_VertexAttribs1fvNV(disp, glVertexAttribs1fvNV)
    SET_VertexAttribs1svNV(disp, glVertexAttribs1svNV)
    SET_VertexAttribs2dvNV(disp, glVertexAttribs2dvNV)
    SET_VertexAttribs2fvNV(disp, glVertexAttribs2fvNV)
    SET_VertexAttribs2svNV(disp, glVertexAttribs2svNV)
    SET_VertexAttribs3dvNV(disp, glVertexAttribs3dvNV)
    SET_VertexAttribs3fvNV(disp, glVertexAttribs3fvNV)
    SET_VertexAttribs3svNV(disp, glVertexAttribs3svNV)
    SET_VertexAttribs4dvNV(disp, glVertexAttribs4dvNV)
    SET_VertexAttribs4fvNV(disp, glVertexAttribs4fvNV)
    SET_VertexAttribs4svNV(disp, glVertexAttribs4svNV)
    SET_VertexAttribs4ubvNV(disp, glVertexAttribs4ubvNV)
#endif

#if GL_SGIS_multisample
    SET_SampleMaskSGIS(disp, glSampleMaskSGIS);
    SET_SamplePatternSGIS(disp, glSamplePatternSGIS);
#endif

#if GL_SGIS_pixel_texture
    SET_GetPixelTexGenParameterfvSGIS(disp, glGetPixelTexGenParameterfvSGIS);
    SET_GetPixelTexGenParameterivSGIS(disp, glGetPixelTexGenParameterivSGIS);
    SET_PixelTexGenParameterfSGIS(disp, glPixelTexGenParameterfSGIS);
    SET_PixelTexGenParameterfvSGIS(disp, glPixelTexGenParameterfvSGIS);
    SET_PixelTexGenParameteriSGIS(disp, glPixelTexGenParameteriSGIS);
    SET_PixelTexGenParameterivSGIS(disp, glPixelTexGenParameterivSGIS);
    SET_PixelTexGenSGIX(disp, glPixelTexGenSGIX);
#endif
}