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Add the use of XQueryExtension() to the DGA and VidMode checks. The game

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should no longer crash if the VidMode or DGA extensions are not present at
runtime.
This commit is contained in:
Jeff Teunissen 2000-12-19 02:42:26 +00:00
parent 9f0035bdf9
commit 2f8f1b39b7
1 changed files with 8 additions and 0 deletions
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8
source/dga_check.c
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@ -56,6 +56,10 @@ VID_CheckDGA (Display * dpy, int *maj_ver, int *min_ver, int *hasvideo)
#ifdef HAVE_DGA #ifdef HAVE_DGA
int event_base, error_base, dgafeat, dummy; int event_base, error_base, dgafeat, dummy;
if (!XQueryExtension (dpy, "XFree86-DGA", &dummy, &dummy, &dummy)) {
return false;
}
if (!XF86DGAQueryExtension (dpy, &event_base, &error_base)) { if (!XF86DGAQueryExtension (dpy, &event_base, &error_base)) {
return false; return false;
} }
@ -97,6 +101,10 @@ VID_CheckVMode (Display * dpy, int *maj_ver, int *min_ver)
int event_base, error_base; int event_base, error_base;
int dummy; int dummy;
if (!XQueryExtension (dpy, "XFree86-VidModeExtension", &dummy, &dummy, &dummy)) {
return false;
}
if (!XF86VidModeQueryExtension (dpy, &event_base, &error_base)) { if (!XF86VidModeQueryExtension (dpy, &event_base, &error_base)) {
return false; return false;
} }