okseby/Quake-III-Arena
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* Avoid calculating a NaN when failing to compute the display aspect ratio

Browse source
This commit is contained in:
Tim Angus 2009-09-28 11:57:16 +00:00
parent a7d33b1c54
commit 0ba8b20305
1 changed files with 13 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

18
code/sdl/sdl_glimp.c
View file

@ -239,12 +239,20 @@ static int GLimp_SetMode( int mode, qboolean fullscreen )
sVideoInfo.vfmt = &sPixelFormat; sVideoInfo.vfmt = &sPixelFormat;
videoInfo = &sVideoInfo; videoInfo = &sVideoInfo;
// Guess the display aspect ratio through the desktop resolution if( videoInfo->current_h > 0 )
// by assuming (relatively safely) that it is set at or close to {
// the display's native aspect ratio // Guess the display aspect ratio through the desktop resolution
displayAspect = (float)videoInfo->current_w / (float)videoInfo->current_h; // by assuming (relatively safely) that it is set at or close to
// the display's native aspect ratio
displayAspect = (float)videoInfo->current_w / (float)videoInfo->current_h;
ri.Printf( PRINT_ALL, "Estimated display aspect: %.3f\n", displayAspect ); ri.Printf( PRINT_ALL, "Estimated display aspect: %.3f\n", displayAspect );
}
else
{
ri.Printf( PRINT_ALL,
"Cannot estimate display aspect, assuming 1.333f\n" );
}
} }
#endif #endif