diff options
Diffstat (limited to 'source/blender/render/intern/source/zbuf.c')
| -rw-r--r-- | source/blender/render/intern/source/zbuf.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/source/blender/render/intern/source/zbuf.c b/source/blender/render/intern/source/zbuf.c index 76a47a11338..1726c061df1 100644 --- a/source/blender/render/intern/source/zbuf.c +++ b/source/blender/render/intern/source/zbuf.c @@ -377,6 +377,8 @@ static void zbuffillAc4(ZSpan *zspan, int obi, int zvlnr, float *v1, float *v2, if(sn1<0) sn1= 0; if(sn2>=sn1) { + int intzverg; + zverg= (double)sn1*zxd + zy0; rz= rectzofs+sn1; rm= rectmaskofs+sn1; @@ -386,22 +388,21 @@ static void zbuffillAc4(ZSpan *zspan, int obi, int zvlnr, float *v1, float *v2, zverg-= zspan->polygon_offset; while(x>=0) { - if( (int)zverg < *rz) { - if(!zspan->rectmask || (int)zverg > *rm) { - // int i= zvlnr & 3; + intzverg= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + + if( intzverg < *rz) { + if(!zspan->rectmask || intzverg > *rm) { apn= ap; while(apn) { - if(apn->p[0]==0) {apn->obi[0]= obi; apn->p[0]= zvlnr; apn->z[0]= zverg; apn->mask[0]= mask; break; } + if(apn->p[0]==0) {apn->obi[0]= obi; apn->p[0]= zvlnr; apn->z[0]= intzverg; apn->mask[0]= mask; break; } if(apn->p[0]==zvlnr && apn->obi[0]==obi) {apn->mask[0]|= mask; break; } - if(apn->p[1]==0) {apn->obi[1]= obi; apn->p[1]= zvlnr; apn->z[1]= zverg; apn->mask[1]= mask; break; } + if(apn->p[1]==0) {apn->obi[1]= obi; apn->p[1]= zvlnr; apn->z[1]= intzverg; apn->mask[1]= mask; break; } if(apn->p[1]==zvlnr && apn->obi[1]==obi) {apn->mask[1]|= mask; break; } - if(apn->p[2]==0) {apn->obi[2]= obi; apn->p[2]= zvlnr; apn->z[2]= zverg; apn->mask[2]= mask; break; } + if(apn->p[2]==0) {apn->obi[2]= obi; apn->p[2]= zvlnr; apn->z[2]= intzverg; apn->mask[2]= mask; break; } if(apn->p[2]==zvlnr && apn->obi[2]==obi) {apn->mask[2]|= mask; break; } - if(apn->p[3]==0) {apn->obi[3]= obi; apn->p[3]= zvlnr; apn->z[3]= zverg; apn->mask[3]= mask; break; } + if(apn->p[3]==0) {apn->obi[3]= obi; apn->p[3]= zvlnr; apn->z[3]= intzverg; apn->mask[3]= mask; break; } if(apn->p[3]==zvlnr && apn->obi[3]==obi) {apn->mask[3]|= mask; break; } - // if(apn->p[i]==0) {apn->obi[i]= obi; apn->p[i]= zvlnr; apn->z[i]= zverg; apn->mask[i]= mask; break; } - // if(apn->p[i]==zvlnr && apn->obi[i]==obi) {apn->mask[i]|= mask; break; } if(apn->next==NULL) apn->next= addpsA(zspan); apn= apn->next; } @@ -1115,6 +1116,8 @@ static void zbuffillGLinv4(ZSpan *zspan, int obi, int zvlnr, float *v1, float *v if(sn1<0) sn1= 0; if(sn2>=sn1) { + int intzverg; + zverg= (double)sn1*zxd + zy0; rz= rectzofs+sn1; rp= rectpofs+sn1; @@ -1123,10 +1126,12 @@ static void zbuffillGLinv4(ZSpan *zspan, int obi, int zvlnr, float *v1, float *v x= sn2-sn1; while(x>=0) { - if( (int)zverg > *rz || *rz==0x7FFFFFFF) { - if(!zspan->rectmask || (int)zverg > *rm) { + intzverg= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + + if( intzverg > *rz || *rz==0x7FFFFFFF) { + if(!zspan->rectmask || intzverg > *rm) { *ro= obi; - *rz= (int)zverg; + *rz= intzverg; *rp= zvlnr; } } @@ -1231,6 +1236,8 @@ static void zbuffillGL4(ZSpan *zspan, int obi, int zvlnr, float *v1, float *v2, if(sn1<0) sn1= 0; if(sn2>=sn1) { + int intzverg; + zverg= (double)sn1*zxd + zy0; rz= rectzofs+sn1; rp= rectpofs+sn1; @@ -1239,9 +1246,11 @@ static void zbuffillGL4(ZSpan *zspan, int obi, int zvlnr, float *v1, float *v2, x= sn2-sn1; while(x>=0) { - if((int)zverg < *rz) { - if(!zspan->rectmask || (int)zverg > *rm) { - *rz= (int)zverg; + intzverg= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + + if(intzverg < *rz) { + if(!zspan->rectmask || intzverg > *rm) { + *rz= intzverg; *rp= zvlnr; *ro= obi; } @@ -1359,7 +1368,8 @@ static void zbuffillGL_onlyZ(ZSpan *zspan, int obi, int zvlnr, float *v1, float x= sn2-sn1; while(x>=0) { - int zvergi= (int)zverg; + int zvergi= (int)CLAMPIS(zverg, INT_MIN, INT_MAX); + /* option: maintain two depth values, closest and 2nd closest */ if(zvergi < *rz) { if(rectzofs1) *rz1= *rz; |