#include #include #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 unsigned FindGLXFunction(const GLubyte *name) { int first = 0; int last = DI_FUNCTION_COUNT - 1; while (first <= last) { int middle = (first + last) / 2; int comp = strcmp((const char *) name, __glXDispatchTableStrings[middle]); if (comp < 0) first = middle + 1; else if (comp > 0) last = middle - 1; else return middle; } /* Just point to the dummy entry at the end of the respective table */ return DI_FUNCTION_COUNT; } static void *__glXGLVNDGetDispatchAddress(const GLubyte *procName) { unsigned internalIndex = FindGLXFunction(procName); return __glXDispatchFunctions[internalIndex]; } static void __glXGLVNDSetDispatchIndex(const GLubyte *procName, int index) { unsigned internalIndex = FindGLXFunction(procName); __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; }