diff options
Diffstat (limited to 'render.c')
| -rw-r--r-- | render.c | 21 |
1 files changed, 12 insertions, 9 deletions
@@ -311,11 +311,11 @@ rasterize(Rastertask *task) t₂.p0 = Pt2(prim.v[0].p.x, prim.v[0].p.y, 1); t₂.p1 = Pt2(prim.v[1].p.x, prim.v[1].p.y, 1); t₂.p2 = Pt2(prim.v[2].p.x, prim.v[2].p.y, 1); - /* find the triangle's bbox and clip it against the fb */ - bbox = Rect( - min(min(t₂.p0.x, t₂.p1.x), t₂.p2.x), min(min(t₂.p0.y, t₂.p1.y), t₂.p2.y), - max(max(t₂.p0.x, t₂.p1.x), t₂.p2.x)+1, max(max(t₂.p0.y, t₂.p1.y), t₂.p2.y)+1 - ); + /* find the triangle's bbox and clip it against our wr */ + bbox.min.x = min(min(t₂.p0.x, t₂.p1.x), t₂.p2.x); + bbox.min.y = min(min(t₂.p0.y, t₂.p1.y), t₂.p2.y); + bbox.max.x = max(max(t₂.p0.x, t₂.p1.x), t₂.p2.x)+1; + bbox.max.y = max(max(t₂.p0.y, t₂.p1.y), t₂.p2.y)+1; bbox.min.x = max(bbox.min.x, task->wr.min.x); bbox.min.y = max(bbox.min.y, task->wr.min.y); bbox.max.x = min(bbox.max.x, task->wr.max.x); @@ -410,7 +410,7 @@ tilerdurden(void *arg) OBJElem **ep; Point3 n; /* surface normal */ Primitive *p; /* primitives to raster */ - Rectangle *wr; + Rectangle *wr, bbox; Channel **taskc; ulong Δy, nproc; int i, np; @@ -540,10 +540,13 @@ tilerdurden(void *arg) p[np].v[1].p = ndc2viewport(params->fb, p[np].v[1].p); p[np].v[2].p = ndc2viewport(params->fb, p[np].v[2].p); + bbox.min.x = min(min(p[np].v[0].p.x, p[np].v[1].p.x), p[np].v[2].p.x); + bbox.min.y = min(min(p[np].v[0].p.y, p[np].v[1].p.y), p[np].v[2].p.y); + bbox.max.x = max(max(p[np].v[0].p.x, p[np].v[1].p.x), p[np].v[2].p.x)+1; + bbox.max.y = max(max(p[np].v[0].p.y, p[np].v[1].p.y), p[np].v[2].p.y)+1; + for(i = 0; i < nproc; i++) - if(ptinrect(Pt(p[np].v[0].p.x,p[np].v[0].p.y),wr[i]) || - ptinrect(Pt(p[np].v[1].p.x,p[np].v[1].p.y),wr[i]) || - ptinrect(Pt(p[np].v[2].p.x,p[np].v[2].p.y),wr[i])){ + if(rectXrect(bbox,wr[i])){ newparams = emalloc(sizeof *newparams); *newparams = *params; task = emalloc(sizeof *task); |