diff options
author | Ton Roosendaal <ton@blender.org> | 2005-09-29 23:33:50 +0400 |
---|---|---|
committer | Ton Roosendaal <ton@blender.org> | 2005-09-29 23:33:50 +0400 |
commit | 7beb234b929afcce6d2b2adae59c4931590e55ad (patch) | |
tree | b0eaee349d1cc747d1f09c0ab7309bd799a671ec /source | |
parent | a6bd07d10f57f0f5701b5a5e27fedf58cafac763 (diff) |
- Added shadow buffer support for wire material and particle strands
(Since strands are screen-aligned, it didn't fill in OK yet)
No shadow;
http://www.blender.org/bf/rt14.jpg
Shadow;
http://www.blender.org/bf/rt15.jpg
Diffstat (limited to 'source')
-rw-r--r-- | source/blender/render/intern/source/zbuf.c | 122 | ||||
-rw-r--r-- | source/blender/renderconverter/intern/convertBlenderScene.c | 2 |
2 files changed, 120 insertions, 4 deletions
diff --git a/source/blender/render/intern/source/zbuf.c b/source/blender/render/intern/source/zbuf.c index 74dda4c748e..145016c9455 100644 --- a/source/blender/render/intern/source/zbuf.c +++ b/source/blender/render/intern/source/zbuf.c @@ -770,6 +770,117 @@ static void zbufline(int zvlnr, float *vec1, float *vec2) } } +static void zbufline_onlyZ(int zvlnr, float *vec1, float *vec2) +{ + int *rectz; + int start, end, x, y, oldx, oldy, ofs; + int dz, vergz, maxtest= 0; + float dx, dy; + float v1[3], v2[3]; + + dx= vec2[0]-vec1[0]; + dy= vec2[1]-vec1[1]; + + if(fabs(dx) > fabs(dy)) { + + /* all lines from left to right */ + if(vec1[0]<vec2[0]) { + VECCOPY(v1, vec1); + VECCOPY(v2, vec2); + } + else { + VECCOPY(v2, vec1); + VECCOPY(v1, vec2); + dx= -dx; dy= -dy; + } + + start= floor(v1[0]); + end= start+floor(dx); + if(end>=R.rectx) end= R.rectx-1; + + oldy= floor(v1[1]); + dy/= dx; + + vergz= floor(v1[2]); + dz= floor((v2[2]-v1[2])/dx); + if(vergz>0x50000000 && dz>0) maxtest= 1; // prevent overflow + + rectz= R.rectz+ oldy*R.rectx+ start; + + if(dy<0) ofs= -R.rectx; + else ofs= R.rectx; + + for(x= start; x<=end; x++, rectz++) { + + y= floor(v1[1]); + if(y!=oldy) { + oldy= y; + rectz+= ofs; + } + + if(x>=0 && y>=0 && y<R.recty) { + if(vergz<*rectz) { + *rectz= vergz; + } + } + + v1[1]+= dy; + + if(maxtest && (vergz > 0x7FFFFFF0 - dz)) vergz= 0x7FFFFFF0; + else vergz+= dz; + } + } + else { + /* all lines from top to bottom */ + if(vec1[1]<vec2[1]) { + VECCOPY(v1, vec1); + VECCOPY(v2, vec2); + } + else { + VECCOPY(v2, vec1); + VECCOPY(v1, vec2); + dx= -dx; dy= -dy; + } + + start= floor(v1[1]); + end= start+floor(dy); + + if(end>=R.recty) end= R.recty-1; + + oldx= floor(v1[0]); + dx/= dy; + + vergz= floor(v1[2]); + dz= floor((v2[2]-v1[2])/dy); + if(vergz>0x50000000 && dz>0) maxtest= 1; // prevent overflow + + rectz= R.rectz+ start*R.rectx+ oldx; + + if(dx<0) ofs= -1; + else ofs= 1; + + for(y= start; y<=end; y++, rectz+=R.rectx) { + + x= floor(v1[0]); + if(x!=oldx) { + oldx= x; + rectz+= ofs; + } + + if(x>=0 && y>=0 && x<R.rectx) { + if(vergz<*rectz) { + *rectz= vergz; + } + } + + v1[0]+= dx; + if(maxtest && (vergz > 0x7FFFFFF0 - dz)) vergz= 0x7FFFFFF0; + else vergz+= dz; + } + } +} + + static int clipline(float *v1, float *v2) /* return 0: do not draw */ { float dz,dw, u1=0.0, u2=1.0; @@ -2073,8 +2184,9 @@ void zbuffershad(LampRen *lar) fillrect(R.rectz,R.rectx,R.recty,0x7FFFFFFE); + zbuflinefunc= zbufline_onlyZ; zbuffunc= zbufinvulGL_onlyZ; - + for(a=0;a<R.totvlak;a++) { if((a & 255)==0) vlr= R.blovl[a>>8]; @@ -2087,8 +2199,12 @@ void zbuffershad(LampRen *lar) } if(ok && (vlr->flag & R_VISIBLE) && (vlr->lay & lay)) { - zbufclip(0, vlr->v1->ho, vlr->v2->ho, vlr->v3->ho, vlr->v1->clip, vlr->v2->clip, vlr->v3->clip); - if(vlr->v4) zbufclip(0, vlr->v1->ho, vlr->v3->ho, vlr->v4->ho, vlr->v1->clip, vlr->v3->clip, vlr->v4->clip); + if(ma->mode & MA_WIRE) zbufclipwire(a+1, vlr); + else if(vlr->flag & R_TANGENT) zbufclipwire(a+1, vlr); + else { + zbufclip(0, vlr->v1->ho, vlr->v2->ho, vlr->v3->ho, vlr->v1->clip, vlr->v2->clip, vlr->v3->clip); + if(vlr->v4) zbufclip(0, vlr->v1->ho, vlr->v3->ho, vlr->v4->ho, vlr->v1->clip, vlr->v3->clip, vlr->v4->clip); + } } } } diff --git a/source/blender/renderconverter/intern/convertBlenderScene.c b/source/blender/renderconverter/intern/convertBlenderScene.c index 3cca586a76d..4f564e2b233 100644 --- a/source/blender/renderconverter/intern/convertBlenderScene.c +++ b/source/blender/renderconverter/intern/convertBlenderScene.c @@ -985,7 +985,7 @@ static void static_particle_strand(Object *ob, Material *ma, float *orco, float CalcNormFloat4(vlr->v4->co, vlr->v3->co, vlr->v2->co, vlr->v1->co, vlr->n); vlr->mat= ma; - vlr->ec= ME_V1V2|ME_V2V3; + vlr->ec= ME_V2V3; vlr->lay= ob->lay; } |