# | Line 589 | Line 589 | FVECT direc; | |
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589 | else { | |
590 | glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, | |
591 | GL_FLOAT, &gldepth); | |
592 | + | if (gldepth <= FTINY) |
593 | + | return (FHUGE); /* call failed */ |
594 | dist = mapdepth(gldepth); | |
595 | } | |
596 | if (dist >= .99*FHUGE) | |
# | Line 793 | Line 795 | waitabit() /* pause a moment */ | |
795 | { | |
796 | struct timespec ts; | |
797 | ts.tv_sec = 0; | |
798 | < | ts.tv_nsec = 50000000; |
798 | > | ts.tv_nsec = 100000000L; |
799 | nanosleep(&ts, NULL); | |
800 | } | |
801 |
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