diff options
| -rw-r--r-- | source/blender/render/intern/include/strand.h | 2 | ||||
| -rw-r--r-- | source/blender/render/intern/source/strand.c | 50 | ||||
| -rw-r--r-- | source/blender/render/intern/source/zbuf.c | 2 |
3 files changed, 34 insertions, 20 deletions
diff --git a/source/blender/render/intern/include/strand.h b/source/blender/render/intern/include/strand.h index f2f1c2763c0..f1c0b6d1e3a 100644 --- a/source/blender/render/intern/include/strand.h +++ b/source/blender/render/intern/include/strand.h @@ -86,7 +86,7 @@ typedef struct StrandSegment { } StrandSegment; void strand_eval_point(StrandSegment *sseg, StrandPoint *spoint); -void render_strand_segment(struct Render *re, float winmat[][4], struct StrandPart *spart, struct ZSpan *zspan, StrandSegment *sseg); +void render_strand_segment(struct Render *re, float winmat[][4], struct StrandPart *spart, struct ZSpan *zspan, int totzspan, StrandSegment *sseg); void project_strands(Render *re, void (*projectfunc)(float *, float mat[][4], float *), int do_pano, int do_buckets); struct RenderBuckets *init_buckets(struct Render *re); diff --git a/source/blender/render/intern/source/strand.c b/source/blender/render/intern/source/strand.c index 3930a35dc68..3ad9bb66559 100644 --- a/source/blender/render/intern/source/strand.c +++ b/source/blender/render/intern/source/strand.c @@ -758,7 +758,7 @@ static void do_scanconvert_strand(Render *re, StrandPart *spart, ZSpan *zspan, f zspan_scanconvert_strand(zspan, spart, jco1, jco3, jco4, do_strand_blend); } -static void strand_render(Render *re, float winmat[][4], StrandPart *spart, ZSpan *zspan, StrandPoint *p1, StrandPoint *p2) +static void strand_render(Render *re, StrandSegment *sseg, float winmat[][4], StrandPart *spart, ZSpan *zspan, int totzspan, StrandPoint *p1, StrandPoint *p2) { if(spart) { float t= p2->t; @@ -774,17 +774,27 @@ static void strand_render(Render *re, float winmat[][4], StrandPart *spart, ZSpa } else { float hoco1[4], hoco2[3]; - - projectvert(p1->co, winmat, hoco1); - projectvert(p2->co, winmat, hoco2); - - /* render both strand and single pixel wire to counter aliasing */ - zbufclip4(zspan, 0, 0, p1->hoco2, p1->hoco1, p2->hoco1, p2->hoco2, p1->clip2, p1->clip1, p2->clip1, p2->clip2); - zbufsinglewire(zspan, 0, 0, hoco1, hoco2); + int a, obi, index; + + obi= sseg->obi - re->objectinstance; + index= sseg->strand->index; + + projectvert(p1->co, winmat, hoco1); + projectvert(p2->co, winmat, hoco2); + + for(a=0; a<totzspan; a++) { +#if 0 + /* render both strand and single pixel wire to counter aliasing */ + zbufclip4(re, &zspan[a], obi, index, p1->hoco2, p1->hoco1, p2->hoco1, p2->hoco2, p1->clip2, p1->clip1, p2->clip1, p2->clip2); +#endif + /* only render a line for now, which makes the shadow map more + similiar across frames, and so reduces flicker */ + zbufsinglewire(&zspan[a], obi, index, hoco1, hoco2); + } } } - -static int strand_segment_recursive(Render *re, float winmat[][4], StrandPart *spart, ZSpan *zspan, StrandSegment *sseg, StrandPoint *p1, StrandPoint *p2, int depth) + +static int strand_segment_recursive(Render *re, float winmat[][4], StrandPart *spart, ZSpan *zspan, int totzspan, StrandSegment *sseg, StrandPoint *p1, StrandPoint *p2, int depth) { StrandPoint p; StrandBuffer *buffer= sseg->buffer; @@ -817,21 +827,23 @@ static int strand_segment_recursive(Render *re, float winmat[][4], StrandPart *s do_strand_point_project(winmat, zspan, p.co2, p.hoco2, p.zco2); } else { +#if 0 projectvert(p.co1, winmat, p.hoco1); projectvert(p.co2, winmat, p.hoco2); p.clip1= testclip(p.hoco1); p.clip2= testclip(p.hoco2); +#endif } - if(!strand_segment_recursive(re, winmat, spart, zspan, sseg, p1, &p, depth+1)) - strand_render(re, winmat, spart, zspan, p1, &p); - if(!strand_segment_recursive(re, winmat, spart, zspan, sseg, &p, p2, depth+1)) - strand_render(re, winmat, spart, zspan, &p, p2); + if(!strand_segment_recursive(re, winmat, spart, zspan, totzspan, sseg, p1, &p, depth+1)) + strand_render(re, sseg, winmat, spart, zspan, totzspan, p1, &p); + if(!strand_segment_recursive(re, winmat, spart, zspan, totzspan, sseg, &p, p2, depth+1)) + strand_render(re, sseg, winmat, spart, zspan, totzspan, &p, p2); return 1; } -void render_strand_segment(Render *re, float winmat[][4], StrandPart *spart, ZSpan *zspan, StrandSegment *sseg) +void render_strand_segment(Render *re, float winmat[][4], StrandPart *spart, ZSpan *zspan, int totzspan, StrandSegment *sseg) { StrandBuffer *buffer= sseg->buffer; StrandPoint *p1= &sseg->point1; @@ -852,6 +864,7 @@ void render_strand_segment(Render *re, float winmat[][4], StrandPart *spart, ZSp do_strand_point_project(winmat, zspan, p2->co2, p2->hoco2, p2->zco2); } else { +#if 0 projectvert(p1->co1, winmat, p1->hoco1); projectvert(p1->co2, winmat, p1->hoco2); projectvert(p2->co1, winmat, p2->hoco1); @@ -860,10 +873,11 @@ void render_strand_segment(Render *re, float winmat[][4], StrandPart *spart, ZSp p1->clip2= testclip(p1->hoco2); p2->clip1= testclip(p2->hoco1); p2->clip2= testclip(p2->hoco2); +#endif } - if(!strand_segment_recursive(re, winmat, spart, zspan, sseg, p1, p2, 0)) - strand_render(re, winmat, spart, zspan, p1, p2); + if(!strand_segment_recursive(re, winmat, spart, zspan, totzspan, sseg, p1, p2, 0)) + strand_render(re, sseg, winmat, spart, zspan, totzspan, p1, p2); } static void zbuffer_strands_filter(Render *re, RenderPart *pa, RenderLayer *rl, StrandPart *spart, float *pass) @@ -1128,7 +1142,7 @@ unsigned short *zbuffer_strands_shade(Render *re, RenderPart *pa, RenderLayer *r spart.segment= &sseg; - render_strand_segment(re, winmat, &spart, &zspan, &sseg); + render_strand_segment(re, winmat, &spart, &zspan, 1, &sseg); } } diff --git a/source/blender/render/intern/source/zbuf.c b/source/blender/render/intern/source/zbuf.c index b808b76b786..98a19c8c0e0 100644 --- a/source/blender/render/intern/source/zbuf.c +++ b/source/blender/render/intern/source/zbuf.c @@ -2354,7 +2354,7 @@ void zbuffer_shadow(Render *re, float winmat[][4], LampRen *lar, int *rectz, int c4= zbuf_shadow_project(cache, sseg.v[3]-strand->vert, obwinmat, sseg.v[3]->co, ho4); if(!(c1 & c2 & c3 & c4)) - render_strand_segment(NULL, winmat, NULL, &zspan, &sseg); + render_strand_segment(re, winmat, NULL, &zspan, 1, &sseg); } } |