void BVH4Triangle1vBuilderFast::createSmallLeaf(BuildRecord& current, Allocator& leafAlloc, size_t threadID)
{
size_t items = current.size();
size_t start = current.begin;
assert(items<=4);
/* allocate leaf node */
Triangle1v* accel = (Triangle1v*) leafAlloc.malloc(items*sizeof(Triangle1v));
*current.parent = bvh->encodeLeaf((char*)accel,items);
for (size_t i=0; i<items; i++)
{
const size_t geomID = prims[start+i].geomID();
const size_t primID = prims[start+i].primID();
const TriangleMesh* __restrict__ const mesh = scene->getTriangleMesh(geomID);
const TriangleMesh::Triangle& tri = mesh->triangle(primID);
const ssef v0 = select(0x7,(ssef)mesh->vertex(tri.v[0]),zero);
const ssef v1 = select(0x7,(ssef)mesh->vertex(tri.v[1]),zero);
const ssef v2 = select(0x7,(ssef)mesh->vertex(tri.v[2]),zero);
const ssef e1 = v0 - v1;
const ssef e2 = v2 - v0;
const ssef normal = cross(e1,e2);
store4f_nt(&accel[i].v0,cast(insert<3>(cast(v0),primID)));
store4f_nt(&accel[i].v1,cast(insert<3>(cast(v1),geomID)));
store4f_nt(&accel[i].v2,cast(insert<3>(cast(v2),mesh->mask)));
}
}
void BVH4Triangle4vBuilderFast::createSmallLeaf(BuildRecord& current, Allocator& leafAlloc, size_t threadID)
{
size_t items = current.size();
size_t start = current.begin;
assert(items<=4);
/* allocate leaf node */
Triangle4v* accel = (Triangle4v*) leafAlloc.malloc(sizeof(Triangle4v));
*current.parent = bvh->encodeLeaf((char*)accel,1);
ssei vgeomID = -1, vprimID = -1, vmask = -1;
sse3f v0 = zero, v1 = zero, v2 = zero;
for (size_t i=0; i<items; i++)
{
const size_t geomID = prims[start+i].geomID();
const size_t primID = prims[start+i].primID();
const TriangleMesh* __restrict__ const mesh = scene->getTriangleMesh(geomID);
const TriangleMesh::Triangle& tri = mesh->triangle(primID);
const Vec3fa& p0 = mesh->vertex(tri.v[0]);
const Vec3fa& p1 = mesh->vertex(tri.v[1]);
const Vec3fa& p2 = mesh->vertex(tri.v[2]);
vgeomID [i] = geomID;
vprimID [i] = primID;
vmask [i] = mesh->mask;
v0.x[i] = p0.x; v0.y[i] = p0.y; v0.z[i] = p0.z;
v1.x[i] = p1.x; v1.y[i] = p1.y; v1.z[i] = p1.z;
v2.x[i] = p2.x; v2.y[i] = p2.y; v2.z[i] = p2.z;
}
Triangle4v::store_nt(accel,Triangle4v(v0,v1,v2,vgeomID,vprimID,vmask));
}
void BVH4UserGeometryBuilderFast::createSmallLeaf(BuildRecord& current, Allocator& leafAlloc, size_t threadID)
{
size_t items = current.size();
size_t start = current.begin;
/* allocate leaf node */
AccelSetItem* accel = (AccelSetItem*) leafAlloc.malloc(sizeof(AccelSetItem)*items);
*current.parent = bvh->encodeLeaf(accel,items);
for (size_t i=0; i<items; i++)
{
const PrimRef& prim = prims[start+i];
accel[i].accel = (AccelSet*) (UserGeometryBase*) scene->get(prim.geomID()); //(*accels)[prim.geomID()];
accel[i].item = prim.primID();
}
}
void BVH4Bezier1iBuilderFast::createSmallLeaf(BuildRecord& current, Allocator& leafAlloc, size_t threadID)
{
size_t items = current.size();
size_t start = current.begin;
/* allocate leaf node */
Bezier1i* accel = (Bezier1i*) leafAlloc.malloc(items*sizeof(Bezier1i));
*current.parent = bvh->encodeLeaf((char*)accel,items);
for (size_t i=0; i<items; i++)
{
const size_t geomID = prims[start+i].geomID();
const size_t primID = prims[start+i].primID();
const BezierCurves* curves = scene->getBezierCurves(geomID);
const Vec3fa& p0 = curves->vertex(curves->curve(primID));
new (&accel[i]) Bezier1i(&p0,geomID,primID);
}
}
void BVH4Triangle4iBuilderFast::createSmallLeaf(BuildRecord& current, Allocator& leafAlloc, size_t threadID)
{
size_t items = current.size();
size_t start = current.begin;
assert(items<=4);
/* allocate leaf node */
Triangle4i* accel = (Triangle4i*) leafAlloc.malloc(sizeof(Triangle4i));
*current.parent = bvh->encodeLeaf((char*)accel,1);
ssei geomID = -1, primID = -1;
Vec3f* v0[4] = { NULL, NULL, NULL, NULL };
ssei v1 = zero, v2 = zero;
for (size_t i=0; i<items; i++)
{
const PrimRef& prim = prims[start+i];
const TriangleMesh* mesh = scene->getTriangleMesh(prim.geomID());
const TriangleMesh::Triangle& tri = mesh->triangle(prim.primID());
geomID[i] = prim.geomID();
primID[i] = prim.primID();
v0[i] = (Vec3f*) &mesh->vertex(tri.v[0]);
v1[i] = (int*)&mesh->vertex(tri.v[1])-(int*)v0[i];
v2[i] = (int*)&mesh->vertex(tri.v[2])-(int*)v0[i];
}
for (size_t i=items; i<4; i++)
{
geomID[i] = -1;
primID[i] = -1;
v0[i] = v0[0];
v1[i] = 0;
v2[i] = 0;
}
new (accel) Triangle4i(v0,v1,v2,geomID,primID);
}