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prototyping some new stuff

tags/mesa_3_5
Brian Paul 24 years ago
parent
874ae72495
commit
55ed11bac5
1 changed files with 314 additions and 82 deletions
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  1. 314
    82
      src/mesa/drivers/x11/glxapi.c

+ 314
- 82
src/mesa/drivers/x11/glxapi.c View File

@@ -1,4 +1,4 @@
/* $Id: glxapi.c,v 1.20 2000/12/15 04:02:50 brianp Exp $ */
/* $Id: glxapi.c,v 1.21 2001/05/24 00:00:57 brianp Exp $ */

/*
* Mesa 3-D graphics library
@@ -34,7 +34,9 @@

#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/*#include <dlfcn.h>*/ /* XXX not portable? */
#include "glapi.h"
#include "glxapi.h"

@@ -48,7 +50,7 @@

/* Rather than include possibly non-existant headers... */
#ifdef USE_SGI_GLX
extern struct _glxapi_table *_sgi_GetGLXDispatchtable(void);
extern struct _glxapi_table *_sgi_GetGLXDispatchTable(void);
#endif
#ifdef USE_UTAH_GLX
extern struct _glxapi_table *_utah_GetGLXDispatchTable(void);
@@ -68,20 +70,17 @@ struct display_dispatch {
static struct display_dispatch *DispatchList = NULL;


/* Display -> Dispatch caching */
static Display *prevDisplay = NULL;
static struct _glxapi_table *prevTable = NULL;


static struct _glxapi_table *
get_dispatch(Display *dpy)
{
static Display *prevDisplay = NULL;
static struct _glxapi_table *prevTable = NULL;

if (!dpy)
return NULL;

/* try cached display */
if (dpy == prevDisplay) {
return prevTable;
}

/* search list of display/dispatch pairs for this display */
{
const struct display_dispatch *d = DispatchList;
@@ -107,7 +106,7 @@ get_dispatch(Display *dpy)
if (XQueryExtension( dpy, "GLX", &ignore, &ignore, &ignore )) {
/* the X server has the GLX extension */
#if defined(USE_SGI_GLX)
t = _sgi_GetGLXDispatchtable();
t = _sgi_GetGLXDispatchTable();
#elif defined(USE_UTAH_GLX)
t = _utah_GetGLXDispatchTable();
#endif
@@ -147,6 +146,19 @@ get_dispatch(Display *dpy)
}


#define GET_DISPATCH(DPY, TABLE) \
if (DPY == prevDisplay) { \
TABLE = prevTable; \
} \
else if (!DPY) { \
TABLE = NULL; \
} \
else { \
TABLE = get_dispatch(DPY); \
}



/* Set by glXMakeCurrent() and glXMakeContextCurrent() only */
static Display *CurrentDisplay = NULL;
@@ -163,7 +175,8 @@ static GLXDrawable CurrentReadDrawable = 0;

XVisualInfo *glXChooseVisual(Display *dpy, int screen, int *list)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return NULL;
return (t->ChooseVisual)(dpy, screen, list);
@@ -172,7 +185,8 @@ XVisualInfo *glXChooseVisual(Display *dpy, int screen, int *list)

void glXCopyContext(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->CopyContext)(dpy, src, dst, mask);
@@ -181,7 +195,8 @@ void glXCopyContext(Display *dpy, GLXContext src, GLXContext dst, unsigned long

GLXContext glXCreateContext(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateContext)(dpy, visinfo, shareList, direct);
@@ -190,7 +205,8 @@ GLXContext glXCreateContext(Display *dpy, XVisualInfo *visinfo, GLXContext share

GLXPixmap glXCreateGLXPixmap(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateGLXPixmap)(dpy, visinfo, pixmap);
@@ -199,7 +215,8 @@ GLXPixmap glXCreateGLXPixmap(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap)

void glXDestroyContext(Display *dpy, GLXContext ctx)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->DestroyContext)(dpy, ctx);
@@ -208,7 +225,8 @@ void glXDestroyContext(Display *dpy, GLXContext ctx)

void glXDestroyGLXPixmap(Display *dpy, GLXPixmap pixmap)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->DestroyGLXPixmap)(dpy, pixmap);
@@ -217,7 +235,8 @@ void glXDestroyGLXPixmap(Display *dpy, GLXPixmap pixmap)

int glXGetConfig(Display *dpy, XVisualInfo *visinfo, int attrib, int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return GLX_NO_EXTENSION;
return (t->GetConfig)(dpy, visinfo, attrib, value);
@@ -238,7 +257,8 @@ GLXDrawable glXGetCurrentDrawable(void)

Bool glXIsDirect(Display *dpy, GLXContext ctx)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (t->IsDirect)(dpy, ctx);
@@ -248,7 +268,8 @@ Bool glXIsDirect(Display *dpy, GLXContext ctx)
Bool glXMakeCurrent(Display *dpy, GLXDrawable drawable, GLXContext ctx)
{
Bool b;
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
b = (*t->MakeCurrent)(dpy, drawable, ctx);
@@ -264,7 +285,8 @@ Bool glXMakeCurrent(Display *dpy, GLXDrawable drawable, GLXContext ctx)

Bool glXQueryExtension(Display *dpy, int *errorb, int *event)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (t->QueryExtension)(dpy, errorb, event);
@@ -273,7 +295,8 @@ Bool glXQueryExtension(Display *dpy, int *errorb, int *event)

Bool glXQueryVersion(Display *dpy, int *maj, int *min)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (t->QueryVersion)(dpy, maj, min);
@@ -282,7 +305,8 @@ Bool glXQueryVersion(Display *dpy, int *maj, int *min)

void glXSwapBuffers(Display *dpy, GLXDrawable drawable)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->SwapBuffers)(dpy, drawable);
@@ -291,7 +315,8 @@ void glXSwapBuffers(Display *dpy, GLXDrawable drawable)

void glXUseXFont(Font font, int first, int count, int listBase)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return;
(t->UseXFont)(font, first, count, listBase);
@@ -300,7 +325,8 @@ void glXUseXFont(Font font, int first, int count, int listBase)

void glXWaitGL(void)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return;
(t->WaitGL)();
@@ -309,7 +335,8 @@ void glXWaitGL(void)

void glXWaitX(void)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return;
(t->WaitX)();
@@ -321,7 +348,8 @@ void glXWaitX(void)

const char *glXGetClientString(Display *dpy, int name)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return NULL;
return (t->GetClientString)(dpy, name);
@@ -330,7 +358,8 @@ const char *glXGetClientString(Display *dpy, int name)

const char *glXQueryExtensionsString(Display *dpy, int screen)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return NULL;
return (t->QueryExtensionsString)(dpy, screen);
@@ -339,7 +368,8 @@ const char *glXQueryExtensionsString(Display *dpy, int screen)

const char *glXQueryServerString(Display *dpy, int screen, int name)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return NULL;
return (t->QueryServerString)(dpy, screen, name);
@@ -362,7 +392,8 @@ Display *glXGetCurrentDisplay(void)

GLXFBConfig *glXChooseFBConfig(Display *dpy, int screen, const int *attribList, int *nitems)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->ChooseFBConfig)(dpy, screen, attribList, nitems);
@@ -371,7 +402,8 @@ GLXFBConfig *glXChooseFBConfig(Display *dpy, int screen, const int *attribList,

GLXContext glXCreateNewContext(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateNewContext)(dpy, config, renderType, shareList, direct);
@@ -380,7 +412,8 @@ GLXContext glXCreateNewContext(Display *dpy, GLXFBConfig config, int renderType,

GLXPbuffer glXCreatePbuffer(Display *dpy, GLXFBConfig config, const int *attribList)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreatePbuffer)(dpy, config, attribList);
@@ -389,7 +422,8 @@ GLXPbuffer glXCreatePbuffer(Display *dpy, GLXFBConfig config, const int *attribL

GLXPixmap glXCreatePixmap(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreatePixmap)(dpy, config, pixmap, attribList);
@@ -398,7 +432,8 @@ GLXPixmap glXCreatePixmap(Display *dpy, GLXFBConfig config, Pixmap pixmap, const

GLXWindow glXCreateWindow(Display *dpy, GLXFBConfig config, Window win, const int *attribList)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateWindow)(dpy, config, win, attribList);
@@ -407,7 +442,8 @@ GLXWindow glXCreateWindow(Display *dpy, GLXFBConfig config, Window win, const in

void glXDestroyPbuffer(Display *dpy, GLXPbuffer pbuf)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->DestroyPbuffer)(dpy, pbuf);
@@ -416,7 +452,8 @@ void glXDestroyPbuffer(Display *dpy, GLXPbuffer pbuf)

void glXDestroyPixmap(Display *dpy, GLXPixmap pixmap)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->DestroyPixmap)(dpy, pixmap);
@@ -425,7 +462,8 @@ void glXDestroyPixmap(Display *dpy, GLXPixmap pixmap)

void glXDestroyWindow(Display *dpy, GLXWindow window)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->DestroyWindow)(dpy, window);
@@ -440,7 +478,8 @@ GLXDrawable glXGetCurrentReadDrawable(void)

int glXGetFBConfigAttrib(Display *dpy, GLXFBConfig config, int attribute, int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return GLX_NO_EXTENSION;
return (t->GetFBConfigAttrib)(dpy, config, attribute, value);
@@ -449,7 +488,8 @@ int glXGetFBConfigAttrib(Display *dpy, GLXFBConfig config, int attribute, int *v

GLXFBConfig *glXGetFBConfigs(Display *dpy, int screen, int *nelements)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->GetFBConfigs)(dpy, screen, nelements);
@@ -457,7 +497,8 @@ GLXFBConfig *glXGetFBConfigs(Display *dpy, int screen, int *nelements)

void glXGetSelectedEvent(Display *dpy, GLXDrawable drawable, unsigned long *mask)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->GetSelectedEvent)(dpy, drawable, mask);
@@ -466,7 +507,8 @@ void glXGetSelectedEvent(Display *dpy, GLXDrawable drawable, unsigned long *mask

XVisualInfo *glXGetVisualFromFBConfig(Display *dpy, GLXFBConfig config)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return NULL;
return (t->GetVisualFromFBConfig)(dpy, config);
@@ -475,8 +517,9 @@ XVisualInfo *glXGetVisualFromFBConfig(Display *dpy, GLXFBConfig config)

Bool glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
{
struct _glxapi_table *t = get_dispatch(dpy);
Bool b;
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
b = (t->MakeContextCurrent)(dpy, draw, read, ctx);
@@ -492,7 +535,8 @@ Bool glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read, GLX

int glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
assert(t);
if (!t)
return 0; /* XXX correct? */
@@ -502,7 +546,8 @@ int glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value)

void glXQueryDrawable(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->QueryDrawable)(dpy, draw, attribute, value);
@@ -511,7 +556,8 @@ void glXQueryDrawable(Display *dpy, GLXDrawable draw, int attribute, unsigned in

void glXSelectEvent(Display *dpy, GLXDrawable drawable, unsigned long mask)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->SelectEvent)(dpy, drawable, mask);
@@ -524,7 +570,8 @@ void glXSelectEvent(Display *dpy, GLXDrawable drawable, unsigned long mask)

int glXSwapIntervalSGI(int interval)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return 0;
return (t->SwapIntervalSGI)(interval);
@@ -537,7 +584,8 @@ int glXSwapIntervalSGI(int interval)

int glXGetVideoSyncSGI(unsigned int *count)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return 0;
return (t->GetVideoSyncSGI)(count);
@@ -545,7 +593,8 @@ int glXGetVideoSyncSGI(unsigned int *count)

int glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return 0;
return (t->WaitVideoSyncSGI)(divisor, remainder, count);
@@ -558,7 +607,8 @@ int glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)

Bool glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->MakeCurrentReadSGI)(dpy, draw, read, ctx);
@@ -566,7 +616,8 @@ Bool glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLX

GLXDrawable glXGetCurrentReadDrawableSGI(void)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return 0;
return (t->GetCurrentReadDrawableSGI)();
@@ -579,7 +630,8 @@ GLXDrawable glXGetCurrentReadDrawableSGI(void)

GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateGLXVideoSourceSGIX)(dpy, screen, server, path, nodeClass, drainNode);
@@ -587,7 +639,8 @@ GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServe

void glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->DestroyGLXVideoSourceSGIX)(dpy, src);
@@ -600,7 +653,8 @@ void glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src)

void glXFreeContextEXT(Display *dpy, GLXContext context)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->FreeContextEXT)(dpy, context);
@@ -609,7 +663,8 @@ void glXFreeContextEXT(Display *dpy, GLXContext context)
GLXContextID glXGetContextIDEXT(const GLXContext context)
{
/* XXX is this function right? */
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return 0;
return (t->GetContextIDEXT)(context);
@@ -622,7 +677,8 @@ Display *glXGetCurrentDisplayEXT(void)

GLXContext glXImportContextEXT(Display *dpy, GLXContextID contextID)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->ImportContextEXT)(dpy, contextID);
@@ -630,7 +686,8 @@ GLXContext glXImportContextEXT(Display *dpy, GLXContextID contextID)

int glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute,int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0; /* XXX ok? */
return (t->QueryContextInfoEXT)(dpy, context, attribute, value);
@@ -643,7 +700,8 @@ int glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute,int *

int glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->GetFBConfigAttribSGIX)(dpy, config, attribute, value);
@@ -651,7 +709,8 @@ int glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute

GLXFBConfigSGIX *glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->ChooseFBConfigSGIX)(dpy, screen, attrib_list, nelements);
@@ -659,7 +718,8 @@ GLXFBConfigSGIX *glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_lis

GLXPixmap glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateGLXPixmapWithConfigSGIX)(dpy, config, pixmap);
@@ -667,7 +727,8 @@ GLXPixmap glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config,

GLXContext glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateContextWithConfigSGIX)(dpy, config, render_type, share_list, direct);
@@ -675,7 +736,8 @@ GLXContext glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config,

XVisualInfo * glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->GetVisualFromFBConfigSGIX)(dpy, config);
@@ -683,7 +745,8 @@ XVisualInfo * glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config)

GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->GetFBConfigFromVisualSGIX)(dpy, vis);
@@ -696,7 +759,8 @@ GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis)

GLXPbufferSGIX glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateGLXPbufferSGIX)(dpy, config, width, height, attrib_list);
@@ -704,7 +768,8 @@ GLXPbufferSGIX glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config, uns

void glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->DestroyGLXPbufferSGIX)(dpy, pbuf);
@@ -712,7 +777,8 @@ void glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf)

int glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->QueryGLXPbufferSGIX)(dpy, pbuf, attribute, value);
@@ -720,7 +786,8 @@ int glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, uns

void glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->SelectEventSGIX)(dpy, drawable, mask);
@@ -728,7 +795,8 @@ void glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask)

void glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->GetSelectedEventSGIX)(dpy, drawable, mask);
@@ -741,7 +809,8 @@ void glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *

void glXCushionSGI(Display *dpy, Window win, float cushion)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->CushionSGI)(dpy, win, cushion);
@@ -754,7 +823,8 @@ void glXCushionSGI(Display *dpy, Window win, float cushion)

int glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->BindChannelToWindowSGIX)(dpy, screen, channel, window);
@@ -762,7 +832,8 @@ int glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window wi

int glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->ChannelRectSGIX)(dpy, screen, channel, x, y, w, h);
@@ -770,7 +841,8 @@ int glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int

int glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->QueryChannelRectSGIX)(dpy, screen, channel, x, y, w, h);
@@ -778,7 +850,8 @@ int glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *

int glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->QueryChannelDeltasSGIX)(dpy, screen, channel, dx, dy, dw, dh);
@@ -786,7 +859,8 @@ int glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, in

int glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->ChannelRectSyncSGIX)(dpy, screen, channel, synctype);
@@ -799,7 +873,8 @@ int glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctyp

Bool glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (t->AssociateDMPbufferSGIX)(dpy, pbuffer, params, dmbuffer);
@@ -812,7 +887,8 @@ Bool glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *p

void glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(*t->JoinSwapGroupSGIX)(dpy, drawable, member);
@@ -825,7 +901,8 @@ void glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member

void glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(*t->BindSwapBarrierSGIX)(dpy, drawable, barrier);
@@ -833,7 +910,8 @@ void glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier)

Bool glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (*t->QueryMaxSwapBarriersSGIX)(dpy, screen, max);
@@ -846,7 +924,8 @@ Bool glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max)

Status glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (*t->GetTransparentIndexSUN)(dpy, overlay, underlay, pTransparent);
@@ -859,7 +938,8 @@ Status glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay,

void glXCopySubBufferMESA(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return;
(t->CopySubBufferMESA)(dpy, drawable, x, y, width, height);
@@ -872,7 +952,8 @@ void glXCopySubBufferMESA(Display *dpy, GLXDrawable drawable, int x, int y, int

Bool glXReleaseBuffersMESA(Display *dpy, Window w)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return False;
return (t->ReleaseBuffersMESA)(dpy, w);
@@ -885,7 +966,8 @@ Bool glXReleaseBuffersMESA(Display *dpy, Window w)

GLXPixmap glXCreateGLXPixmapMESA(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap)
{
struct _glxapi_table *t = get_dispatch(dpy);
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
if (!t)
return 0;
return (t->CreateGLXPixmapMESA)(dpy, visinfo, pixmap, cmap);
@@ -898,7 +980,8 @@ GLXPixmap glXCreateGLXPixmapMESA(Display *dpy, XVisualInfo *visinfo, Pixmap pixm

Bool glXSet3DfxModeMESA(int mode)
{
struct _glxapi_table *t = get_dispatch(CurrentDisplay);
struct _glxapi_table *t;
GET_DISPATCH(CurrentDisplay, t);
if (!t)
return False;
return (t->Set3DfxModeMESA)(mode);
@@ -983,6 +1066,155 @@ _glxapi_set_no_op_table(struct _glxapi_table *t)
}


#if 00
/*
* Open the named library and use dlsym() to populate the given dispatch
* table with GLX function pointers.
* Return: true = all OK
* false = can't open libName or can't get required GLX function
*/
GLboolean
_glxapi_load_library_table(const char *libName, struct _glxapi_table *t)
{
void *libHandle;
void **entry; /* used to avoid a lot of cast/type warnings */

libHandle = dlopen(libName, 0);
if (!libHandle) {
return GL_FALSE;
}

#define GET_REQ_FUNCTION(ENTRY, NAME) \
entry = (void **) &(t->ENTRY); \
*entry = dlsym(libHandle, NAME); \
if (!*entry) { \
fprintf(stderr, "libGL Error: couldn't load %s from %s\n", \
NAME, libName); \
dlclose(libHandle); \
return GL_FALSE; \
}

/* 1.0 and 1.1 functions */
GET_REQ_FUNCTION(ChooseVisual, "glXChooseVisual");
GET_REQ_FUNCTION(CopyContext, "glXCopyContext");
GET_REQ_FUNCTION(CreateContext, "glXCreateContext");
GET_REQ_FUNCTION(CreateGLXPixmap, "glXCreateGLXPixmap");
GET_REQ_FUNCTION(DestroyContext, "glXDestroyContext");
GET_REQ_FUNCTION(GetConfig, "glXGetConfig");
GET_REQ_FUNCTION(IsDirect, "glXIsDirect");
GET_REQ_FUNCTION(MakeCurrent, "glXMakeCurrent");
GET_REQ_FUNCTION(QueryExtension, "glXQueryExtension");
GET_REQ_FUNCTION(QueryVersion, "glXQueryVersion");
GET_REQ_FUNCTION(SwapBuffers, "glXSwapBuffers");
GET_REQ_FUNCTION(UseXFont, "glXUseXFont");
GET_REQ_FUNCTION(WaitGL, "glXWaitGL");
GET_REQ_FUNCTION(WaitX, "glXWaitX");
GET_REQ_FUNCTION(GetClientString, "glXGetClientString");
GET_REQ_FUNCTION(QueryExtensionsString, "glXQueryExtensionsString");
GET_REQ_FUNCTION(QueryServerString, "glXQueryServerString");

#define GET_OPT_FUNCTION(ENTRY, NAME) \
entry = (void **) &(t->ENTRY); \
*entry = dlsym(libHandle, NAME); \
if (!*entry) { \
*entry = (void *) generic_no_op_func; \
}

/* 1.2, 1.3 and extensions */
GET_OPT_FUNCTION(ChooseFBConfig, "glXChooseFBConfig");
GET_OPT_FUNCTION(CreateNewContext, "glXCreateNewContext");
GET_OPT_FUNCTION(CreatePbuffer, "glXCreatePbuffer");
GET_OPT_FUNCTION(CreatePixmap, "glXCreatePixmap");
GET_OPT_FUNCTION(CreateWindow, "glXCreateWindow");
GET_OPT_FUNCTION(DestroyPbuffer, "glXDestroyPbuffer");
GET_OPT_FUNCTION(DestroyPixmap, "glXDestroyPixmap");
GET_OPT_FUNCTION(DestroyWindow, "glXDestroyWindow");
GET_OPT_FUNCTION(GetFBConfigAttrib, "glXGetFBConfigAttrib");
GET_OPT_FUNCTION(GetFBConfigs, "glXGetFBConfigs");
GET_OPT_FUNCTION(GetSelectedEvent, "glXGetSelectedEvent");
GET_OPT_FUNCTION(GetVisualFromFBConfig, "glXGetVisualFromFBConfig");
GET_OPT_FUNCTION(MakeContextCurrent, "glXMakeContextCurrent");
GET_OPT_FUNCTION(QueryContext, "glXQueryContext");
GET_OPT_FUNCTION(QueryDrawable, "glXQueryDrawable");
GET_OPT_FUNCTION(SelectEvent, "glXSelectEvent");
#ifdef GLX_SGI_swap_control
GET_OPT_FUNCTION(SwapIntervalSGI, "glXSwapIntervalSGI");
#endif
#ifdef GLX_SGI_video_sync
GET_OPT_FUNCTION(GetVideoSyncSGI, "glXGetVideoSyncSGI");
GET_OPT_FUNCTION(WaitVideoSyncSGI, "glXWaitVideoSyncSGI");
#endif
#ifdef GLX_SGI_make_current_read
GET_OPT_FUNCTION(MakeCurrentReadSGI, "glXMakeCurrentReadSGI");
GET_OPT_FUNCTION(GetCurrentReadDrawableSGI, "glXGetCurrentReadDrawableSGI");
#endif
#if defined(_VL_H) && defined(GLX_SGIX_video_source)
GET_OPT_FUNCTION(CreateGLXVideoSourceSGIX, "glXCreateGLXVideoSourceSGIX");
GET_OPT_FUNCTION(DestroyGLXVideoSourceSGIX, "glXDestroyGLXVideoSourceSGIX");
#endif
#ifdef GLX_EXT_import_context
GET_OPT_FUNCTION(FreeContextEXT, "glXFreeContextEXT");
GET_OPT_FUNCTION(GetContextIDEXT, "glXGetContextIDEXT");
GET_OPT_FUNCTION(GetCurrentDisplayEXT, "glXGetCurrentDisplayEXT");
GET_OPT_FUNCTION(ImportContextEXT, "glXImportContextEXT");
GET_OPT_FUNCTION(QueryContextInfoEXT, "glXQueryContextInfoEXT");
#endif
#ifdef GLX_SGIX_fbconfig
GET_OPT_FUNCTION(GetFBConfigAttribSGIX, "glXGetFBConfigAttribSGIX");
GET_OPT_FUNCTION(ChooseFBConfigSGIX, "glXChooseFBConfigSGIX");
GET_OPT_FUNCTION(CreateGLXPixmapWithConfigSGIX, "glXCreateGLXPixmapWithConfigSGIX");
GET_OPT_FUNCTION(CreateContextWithConfigSGIX, "glXCreateContextWithConfigSGIX");
GET_OPT_FUNCTION(GetVisualFromFBConfigSGIX, "glXGetVisualFromFBConfigSGIX");
GET_OPT_FUNCTION(GetFBConfigFromVisualSGIX, "glXGetFBConfigFromVisualSGIX");
#endif
#ifdef GLX_SGIX_pbuffer
GET_OPT_FUNCTION(CreateGLXPbufferSGIX, "glXCreateGLXPbufferSGIX");
GET_OPT_FUNCTION(DestroyGLXPbufferSGIX, "glXDestroyGLXPbufferSGIX");
GET_OPT_FUNCTION(QueryGLXPbufferSGIX, "glXQueryGLXPbufferSGIX");
GET_OPT_FUNCTION(SelectEventSGIX, "glXSelectEventSGIX");
GET_OPT_FUNCTION(GetSelectedEventSGIX, "glXGetSelectedEventSGIX");
#endif
#ifdef GLX_SGI_cushion
GET_OPT_FUNCTION(CushionSGI, "glXCushionSGI");
#endif
#ifdef GLX_SGIX_video_resize
GET_OPT_FUNCTION(BindChannelToWindowSGIX, "glXBindChannelToWindowSGIX");
GET_OPT_FUNCTION(ChannelRectSGIX, "glXChannelRectSGIX");
GET_OPT_FUNCTION(QueryChannelRectSGIX, "glXQueryChannelRectSGIX");
GET_OPT_FUNCTION(QueryChannelDeltasSGIX, "glXQueryChannelDeltasSGIX");
GET_OPT_FUNCTION(ChannelRectSyncSGIX, "glXChannelRectSyncSGIX");
#endif
#if defined (_DM_BUFFER_H_) && defined(GLX_SGIX_dmbuffer)
GET_OPT_FUNCTION(AssociateDMPbufferSGIX, "glXAssociateDMPbufferSGIX");
#endif
#ifdef GLX_SGIX_swap_group
GET_OPT_FUNCTION(JoinSwapGroupSGIX, "glXJoinSwapGroupSGIX");
#endif
#ifdef GLX_SGIX_swap_barrier
GET_OPT_FUNCTION(BindSwapBarrierSGIX, "glXBindSwapBarrierSGIX");
GET_OPT_FUNCTION(QueryMaxSwapBarriersSGIX, "glXQueryMaxSwapBarriersSGIX");
#endif
#ifdef GLX_SUN_get_transparent_index
GET_OPT_FUNCTION(GetTransparentIndexSUN, "glXGetTransparentIndexSUN");
#endif
#ifdef GLX_MESA_copy_sub_buffer
GET_OPT_FUNCTION(CopySubBufferMESA, "glXCopySubBufferMESA");
#endif
#ifdef GLX_MESA_release_buffers
GET_OPT_FUNCTION(ReleaseBuffersMESA, "glXReleaseBuffersMESA");
#endif
#ifdef GLX_MESA_pixmap_colormap
GET_OPT_FUNCTION(CreateGLXPixmapMESA, "glXCreateGLXPixmapMESA");
#endif
#ifdef GLX_MESA_set_3dfx_mode
GET_OPT_FUNCTION(Set3DfxModeMESA, "glXSet3DfxModeMESA");
#endif

return GL_TRUE;
}
#endif



struct name_address_pair {
const char *Name;

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