diff options
| -rw-r--r-- | src/GLX/libglx.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/GLX/libglx.c b/src/GLX/libglx.c index 15b23ef..82f118a 100644 --- a/src/GLX/libglx.c +++ b/src/GLX/libglx.c @@ -268,7 +268,17 @@ PUBLIC GLXContext glXCreateNewContext(Display *dpy, GLXFBConfig config, PUBLIC void glXDestroyContext(Display *dpy, GLXContext context) { - __GLXvendorInfo *vendor = CommonDispatchContext(dpy, context, X_GLXDestroyContext); + __GLXvendorInfo *vendor; + + if (context == NULL) { + // Some drivers will just return without generating an error if the app + // passes NULL for a context, and unfortunately there are some broken + // applications that depend on that behavior. + glvndAppErrorCheckReportError("glXDestroyContext called with NULL for context\n"); + return; + } + + vendor = CommonDispatchContext(dpy, context, X_GLXDestroyContext); if (vendor != NULL) { __glXRemoveVendorContextMapping(dpy, context); vendor->staticDispatch.destroyContext(dpy, context); |