| # | Line 543 | Line 543 | FVECT direc; | |
|---|---|---|
| 543 | if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) | |
| 544 | return(FHUGE); | |
| 545 | glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT,GL_FLOAT, &gldepth); | |
| 546 | + | if (gldepth <= FTINY) |
| 547 | + | return (FHUGE); /* call failed */ |
| 548 | dist = mapdepth(gldepth); | |
| 549 | if (dist >= .99*FHUGE) | |
| 550 | return(FHUGE); | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |