diff options
Diffstat (limited to 'source/blender/render/intern/source/zbuf.c')
| -rw-r--r-- | source/blender/render/intern/source/zbuf.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/source/blender/render/intern/source/zbuf.c b/source/blender/render/intern/source/zbuf.c index c88858c44da..fc3dae73d6b 100644 --- a/source/blender/render/intern/source/zbuf.c +++ b/source/blender/render/intern/source/zbuf.c @@ -1447,21 +1447,21 @@ void zspan_scanconvert_strand(ZSpan *zspan, void *handle, float *v1, float *v2, zxd= -(double)x0/(double)z0; zyd= -(double)y0/(double)z0; zy0= ((double)my2)*zyd + (double)xx1; - - z1= 1.0f; // (u1 - u2) - z2= 0.0f; // (u2 - u3) + + z1= 1.0f; /* (u1 - u2) */ + z2= 0.0f; /* (u2 - u3) */ x0= y1*z2-z1*y2; y0= z1*x2-x1*z2; - - xx1= (x0*v1[0] + y0*v1[1])/z0 + 1.0f; + + xx1= (x0*v1[0] + y0*v1[1])/z0 + 1.0f; uxd= -(double)x0/(double)z0; uyd= -(double)y0/(double)z0; uy0= ((double)my2)*uyd + (double)xx1; - z1= -1.0f; // (v1 - v2) - z2= 1.0f; // (v2 - v3) - + z1= -1.0f; /* (v1 - v2) */ + z2= 1.0f; /* (v2 - v3) */ + x0= y1*z2-z1*y2; y0= z1*x2-x1*z2; @@ -1535,23 +1535,23 @@ void zspan_scanconvert(ZSpan *zspan, void *handle, float *v1, float *v2, float * y1= v1[1]- v2[1]; y2= v2[1]- v3[1]; - z1= 1.0f; // (u1 - u2) - z2= 0.0f; // (u2 - u3) - + z1= 1.0f; /* (u1 - u2) */ + z2= 0.0f; /* (u2 - u3) */ + x0= y1*z2-z1*y2; y0= z1*x2-x1*z2; z0= x1*y2-y1*x2; - + if (z0==0.0f) return; - - xx1= (x0*v1[0] + y0*v1[1])/z0 + 1.0f; + + xx1= (x0*v1[0] + y0*v1[1])/z0 + 1.0f; uxd= -(double)x0/(double)z0; uyd= -(double)y0/(double)z0; uy0= ((double)my2)*uyd + (double)xx1; - z1= -1.0f; // (v1 - v2) - z2= 1.0f; // (v2 - v3) - + z1= -1.0f; /* (v1 - v2) */ + z2= 1.0f; /* (v2 - v3) */ + x0= y1*z2-z1*y2; y0= z1*x2-x1*z2; |