Strands now mix together correctly with ZTransp.

They now also store a list of samples per pixel, and then get
shaded together with the ztransp samples. This comes with a
slight speed hit, but mainly memory might be a concern. However,
testing some peach scenes I haven't problems.

1 files changed, 8 insertions, 1 deletions

diff --git a/source/blender/render/intern/include/strand.h b/source/blender/render/intern/include/strand.h
index 8e34fa27342..f001bc42112 100644
--- a/source/blender/render/intern/include/strand.h
+++ b/source/blender/render/intern/include/strand.h
@@ -88,13 +88,20 @@ typedef struct StrandSegment {
 	int shaded;
 } StrandSegment;
 
+struct StrandShadeCache;
+typedef struct StrandShadeCache StrandShadeCache;
+
 void strand_eval_point(StrandSegment *sseg, StrandPoint *spoint);
 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 StrandSurface *cache_strand_surface(struct Render *re, struct ObjectRen *obr, struct DerivedMesh *dm, float mat[][4], int timeoffset);
 void free_strand_surface(struct Render *re);
 
+struct StrandShadeCache *strand_shade_cache_create(void);
+void strand_shade_cache_free(struct StrandShadeCache *cache);
+void strand_shade_segment(struct Render *re, struct StrandShadeCache *cache, struct StrandSegment *sseg, struct ShadeSample *ssamp, float t, float s, int addpassflag);
+void strand_shade_unref(struct StrandShadeCache *cache, struct StrandVert *svert);
+
 struct RenderBuckets *init_buckets(struct Render *re);
 void add_buckets_primitive(struct RenderBuckets *buckets, float *min, float *max, void *prim);
 void free_buckets(struct RenderBuckets *buckets);