diff options
Diffstat (limited to 'src/glx')
| -rw-r--r-- | src/glx/glxcmds.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c index 38b90594580..3856032ce68 100644 --- a/src/glx/glxcmds.c +++ b/src/glx/glxcmds.c @@ -1630,6 +1630,29 @@ glXCreateNewContext(Display * dpy, GLXFBConfig fbconfig, int renderType, GLXContext shareList, Bool allowDirect) { struct glx_config *config = (struct glx_config *) fbconfig; + int screen = DefaultScreen(dpy); + struct glx_config **config_list; + int list_size; + unsigned i; + + if (!config) { + __glXSendError(dpy, GLXBadFBConfig, 0, X_GLXCreateNewContext, false); + return NULL; + } + + config_list = (struct glx_config **) + glXGetFBConfigs(dpy, screen, &list_size); + + for (i = 0; i < list_size; i++) { + if (config_list[i] == config) + break; + } + free(config_list); + + if (i == list_size) { + __glXSendError(dpy, GLXBadFBConfig, 0, X_GLXCreateNewContext, false); + return NULL; + } return CreateContext(dpy, config->fbconfigID, config, shareList, allowDirect, X_GLXCreateNewContext, renderType, |