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#include <string.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include "glvnd/libglxabi.h"
#include "glxglvnd.h"
static Bool __glXGLVNDIsScreenSupported(Display *dpy, int screen)
{
/* TODO: Think of a better heuristic... */
return True;
}
static void *__glXGLVNDGetProcAddress(const GLubyte *procName)
{
return glXGetProcAddressARB(procName);
}
static int
compare(const void *l, const void *r)
{
const char *s = *(const char **)r;
return strcmp(l, s);
}
static unsigned FindGLXFunction(const GLubyte *name)
{
const char **match;
match = bsearch(name, __glXDispatchTableStrings, DI_FUNCTION_COUNT,
sizeof(const char *), compare);
if (match == NULL)
return DI_FUNCTION_COUNT;
return match - __glXDispatchTableStrings;
}
static void *__glXGLVNDGetDispatchAddress(const GLubyte *procName)
{
unsigned internalIndex = FindGLXFunction(procName);
return (void*)__glXDispatchFunctions[internalIndex];
}
static void __glXGLVNDSetDispatchIndex(const GLubyte *procName, int index)
{
unsigned internalIndex = FindGLXFunction(procName);
if (internalIndex == DI_FUNCTION_COUNT)
return; /* unknown or static dispatch */
__glXDispatchTableIndices[internalIndex] = index;
}
_X_EXPORT Bool __glx_Main(uint32_t version, const __GLXapiExports *exports,
__GLXvendorInfo *vendor, __GLXapiImports *imports)
{
static Bool initDone = False;
if (GLX_VENDOR_ABI_GET_MAJOR_VERSION(version) !=
GLX_VENDOR_ABI_MAJOR_VERSION ||
GLX_VENDOR_ABI_GET_MINOR_VERSION(version) <
GLX_VENDOR_ABI_MINOR_VERSION)
return False;
if (!initDone) {
initDone = True;
__glXGLVNDAPIExports = exports;
imports->isScreenSupported = __glXGLVNDIsScreenSupported;
imports->getProcAddress = __glXGLVNDGetProcAddress;
imports->getDispatchAddress = __glXGLVNDGetDispatchAddress;
imports->setDispatchIndex = __glXGLVNDSetDispatchIndex;
imports->notifyError = NULL;
imports->isPatchSupported = NULL;
imports->initiatePatch = NULL;
}
return True;
}
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