diff options
Diffstat (limited to 'source/blender/render/intern/source/zbuf.c')
| -rw-r--r-- | source/blender/render/intern/source/zbuf.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/source/blender/render/intern/source/zbuf.c b/source/blender/render/intern/source/zbuf.c index 68707f163af..1481e7a8059 100644 --- a/source/blender/render/intern/source/zbuf.c +++ b/source/blender/render/intern/source/zbuf.c @@ -393,7 +393,7 @@ static void zbuffillAc4(ZSpan *zspan, int obi, int zvlnr, zverg-= zspan->polygon_offset; while (x>=0) { - intzverg= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + intzverg = round_db_to_int_clamp(zverg); if ( intzverg < *rz) { if (!zspan->rectmask || intzverg > *rm) { @@ -1137,7 +1137,7 @@ static void zbuffillGLinv4(ZSpan *zspan, int obi, int zvlnr, x= sn2-sn1; while (x>=0) { - intzverg= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + intzverg = round_db_to_int_clamp(zverg); if ( intzverg > *rz || *rz==0x7FFFFFFF) { /* UNIQUE LINE: see comment above */ if (!zspan->rectmask || intzverg > *rm) { @@ -1260,7 +1260,7 @@ static void zbuffillGL4(ZSpan *zspan, int obi, int zvlnr, x= sn2-sn1; while (x>=0) { - intzverg= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + intzverg = round_db_to_int_clamp(zverg); if (intzverg < *rz) { /* ONLY UNIQUE LINE: see comment above */ if (!zspan->rectmask || intzverg > *rm) { @@ -1383,7 +1383,7 @@ static void zbuffillGL_onlyZ(ZSpan *zspan, int UNUSED(obi), int UNUSED(zvlnr), x= sn2-sn1; while (x>=0) { - int zvergi= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + int zvergi = round_db_to_int_clamp(zverg); /* option: maintain two depth values, closest and 2nd closest */ if (zvergi < *rz) { @@ -1564,20 +1564,13 @@ void zspan_scanconvert(ZSpan *zspan, void *handle, float *v1, float *v2, float * vy0= ((double)my2)*vyd + (double)xx1; /* correct span */ - sn1= (my0 + my2)/2; - if (zspan->span1[sn1] < zspan->span2[sn1]) { - span1= zspan->span1+my2; - span2= zspan->span2+my2; - } - else { - span1= zspan->span2+my2; - span2= zspan->span1+my2; - } + span1= zspan->span1+my2; + span2= zspan->span2+my2; for (i = 0, y = my2; y >= my0; i++, y--, span1--, span2--) { - sn1= floor(*span1); - sn2= floor(*span2); + sn1= floor(min_ff(*span1, *span2)); + sn2= floor(max_ff(*span1, *span2)); sn1++; if (sn2>=rectx) sn2= rectx-1; |