diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_displist.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_displist.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_displist.h b/source/blender/blenkernel/BKE_displist.h index 34cb2c64ec6..95883501f55 100644 --- a/source/blender/blenkernel/BKE_displist.h +++ b/source/blender/blenkernel/BKE_displist.h @@ -53,6 +53,30 @@ #define DL_FRONT_CURVE 4 #define DL_BACK_CURVE 8 +/* This should, of course, become a function */ +#define DL_SURFINDEX(cyclu, cyclv, sizeu, sizev) \ +\ +if( (cyclv)==0 && a==(sizev)-1) break; \ +if(cyclu) { \ + p1= sizeu*a; \ + p2= p1+ sizeu-1; \ + p3= p1+ sizeu; \ + p4= p2+ sizeu; \ + b= 0; \ +} \ +else { \ + p2= sizeu*a; \ + p1= p2+1; \ + p4= p2+ sizeu; \ + p3= p1+ sizeu; \ + b= 1; \ +} \ +if( (cyclv) && a==sizev-1) { \ + p3-= sizeu*sizev; \ + p4-= sizeu*sizev; \ +} + + /* prototypes */ struct Object; |