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Really bad luck with committing recently... past fix was plain wrong,

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although it rendered the submitted bug file fine...
Note to self again; always also check if code even works in general! :)
Note to self 2: don't fix things ad hoc when you're not coding
This commit is contained in:
Ton Roosendaal 2004-07-17 13:56:05 +00:00
parent 1bb871c682
commit 15d4fb9c85
1 changed files with 10 additions and 10 deletions
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20
source/blender/render/intern/source/shadbuf.c
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@ -452,8 +452,8 @@ float testshadowbuf(struct ShadBuf *shb, float *rco, float inp) /* return 1.0:
MTC_Mat4MulVec4fl(shb->persmat, co); /* rational hom co */
xs1= siz*(0.5+co[0]/co[3]);
ys1= siz*(0.5+co[1]/co[3]);
xs1= siz*(1.0+co[0]/co[3]);
ys1= siz*(1.0+co[1]/co[3]);
/* Clip for z: near and far clip values of the shadow buffer. We
* can test for -1.0/1.0 because of the properties of the
@ -484,16 +484,16 @@ float testshadowbuf(struct ShadBuf *shb, float *rco, float inp) /* return 1.0:
co[2]= rco[2]+O.dxco[2];
co[3]= 1.0;
MTC_Mat4MulVec4fl(shb->persmat,co); /* rational hom co */
dx[0]= xs1- siz*(0.5+co[0]/co[3]);
dx[1]= ys1- siz*(0.5+co[1]/co[3]);
dx[0]= xs1- siz*(1.0+co[0]/co[3]);
dx[1]= ys1- siz*(1.0+co[1]/co[3]);
co[0]= rco[0]+O.dyco[0];
co[1]= rco[1]+O.dyco[1];
co[2]= rco[2]+O.dyco[2];
co[3]= 1.0;
MTC_Mat4MulVec4fl(shb->persmat,co); /* rational hom co */
dy[0]= xs1- siz*(0.5+co[0]/co[3]);
dy[1]= ys1- siz*(0.5+co[1]/co[3]);
dy[0]= xs1- siz*(1.0+co[0]/co[3]);
dy[1]= ys1- siz*(1.0+co[1]/co[3]);
xres= fac*( fabs(dx[0])+fabs(dy[0]) );
yres= fac*( fabs(dx[1])+fabs(dy[1]) );
@ -622,8 +622,8 @@ float shadow_halo(LampRen *lar, float *p1, float *p2)
co[2]= p1[2]/lar->sh_zfac;
co[3]= 1.0;
MTC_Mat4MulVec4fl(shb->winmat, co); /* rational hom co */
xf1= siz*(0.5+co[0]/co[3]);
yf1= siz*(0.5+co[1]/co[3]);
xf1= siz*(1.0+co[0]/co[3]);
yf1= siz*(1.0+co[1]/co[3]);
zf1= (co[2]/co[3]);
@ -632,8 +632,8 @@ float shadow_halo(LampRen *lar, float *p1, float *p2)
co[2]= p2[2]/lar->sh_zfac;
co[3]= 1.0;
MTC_Mat4MulVec4fl(shb->winmat, co); /* rational hom co */
xf2= siz*(0.5+co[0]/co[3]);
yf2= siz*(0.5+co[1]/co[3]);
xf2= siz*(1.0+co[0]/co[3]);
yf2= siz*(1.0+co[1]/co[3]);
zf2= (co[2]/co[3]);
/* the 2dda (a pixel line formula) */