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Added specialization constants for curves and motion blur #563

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Merged
stefanatwork merged 10 commits into from
Jan 16, 2026
Merged

Added specialization constants for curves and motion blur #563

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ea4cf0a
Added specializtion constants for curves and motion blur
stefanatwork Jul 3, 2025
7529490
Merge branch 'master' into curve_mb_spec_const
stefanatwork Oct 6, 2025
779fc72
Fixed gcc warnings when casting to reference types
stefanatwork Jun 3, 2025
a734583
Explicit lambda captures to silence warnings
stefanatwork Oct 6, 2025
7c7149d
Fixed compilation with internal task scheduler
stefanatwork Oct 7, 2025
d366de1
Revert "Added specializtion constants for curves and motion blur"
stefanatwork Oct 9, 2025
7873894
Simplified use of SYCL specialization constants for motion blur curves.
stefanatwork Oct 10, 2025
d05dc51
Merge branch 'master' into sw/curve_mb_spec_const
stefanatwork Oct 10, 2025
fbe0d12
Merge branch 'master' into sw/curve_mb_spec_const
stefanatwork Jan 15, 2026
6af96b0
Merge branch 'master' into sw/curve_mb_spec_const
stefanatwork Jan 16, 2026
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8 changes: 4 additions & 4 deletions kernels/common/scene_curves.h
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Original file line number Diff line number Diff line change
Expand Up @@ -189,9 +189,9 @@ namespace embree
}

/*! loads curve vertices for specified time */
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, Vec3ff& p2, Vec3ff& p3, size_t i, float time) const
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, Vec3ff& p2, Vec3ff& p3, size_t i, float time, const bool motion_blur = true) const
{
if (hasMotionBlur()) gather(p0,p1,p2,p3,i,time);
if (hasMotionBlur() && motion_blur) gather(p0,p1,p2,p3,i,time);
else gather(p0,p1,p2,p3,i);
}

Expand All @@ -218,9 +218,9 @@ namespace embree
}

/*! loads curve vertices for specified time for mblur and non-mblur case */
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, Vec3ff& p2, Vec3ff& p3, Vec3fa& n0, Vec3fa& n1, Vec3fa& n2, Vec3fa& n3, size_t i, float time) const
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, Vec3ff& p2, Vec3ff& p3, Vec3fa& n0, Vec3fa& n1, Vec3fa& n2, Vec3fa& n3, size_t i, float time, bool motion_blur = true) const
{
if (hasMotionBlur()) gather(p0,p1,p2,p3,n0,n1,n2,n3,i,time);
if (hasMotionBlur() && motion_blur) gather(p0,p1,p2,p3,n0,n1,n2,n3,i,time);
else gather(p0,p1,p2,p3,n0,n1,n2,n3,i);
}

Expand Down
12 changes: 6 additions & 6 deletions kernels/common/scene_line_segments.h
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Expand Up @@ -193,9 +193,9 @@ namespace embree
}

/*! loads curve vertices for specified time for mblur and non-mblur case */
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, unsigned int vid, float time) const
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, unsigned int vid, float time, const bool motion_blur = true) const
{
if (hasMotionBlur()) gather(p0,p1,vid,time);
if (hasMotionBlur() && motion_blur) gather(p0,p1,vid,time);
else gather(p0,p1,vid);
}

Expand Down Expand Up @@ -250,9 +250,9 @@ namespace embree
}

/*! loads cone curve vertices for specified time for mblur and non-mblur geometry */
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, bool& cL, bool& cR, unsigned int primID, size_t vid, float time) const
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, bool& cL, bool& cR, unsigned int primID, size_t vid, float time, const bool motion_blur = true) const
{
if (hasMotionBlur()) gather(p0,p1,cL,cR,primID,vid,time);
if (hasMotionBlur() && motion_blur) gather(p0,p1,cL,cR,primID,vid,time);
else gather(p0,p1,cL,cR,primID,vid);
}

Expand Down Expand Up @@ -335,9 +335,9 @@ namespace embree
}

/*! loads curve vertices for specified time for mblur and non-mblur geometry */
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, Vec3ff& p2, Vec3ff& p3, unsigned int primID, size_t vid, float time) const
__forceinline void gather_safe(Vec3ff& p0, Vec3ff& p1, Vec3ff& p2, Vec3ff& p3, unsigned int primID, size_t vid, float time, const bool motion_blur = true) const
{
if (hasMotionBlur()) gather(p0,p1,p2,p3,primID,vid,time);
if (hasMotionBlur() && motion_blur) gather(p0,p1,p2,p3,primID,vid,time);
else gather(p0,p1,p2,p3,primID,vid);
}

Expand Down
10 changes: 5 additions & 5 deletions kernels/sycl/rthwif_embree.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -469,20 +469,20 @@ __forceinline bool intersect_primitive(intel_ray_query_t& query, Ray& ray, Scene
if (gtype == Geometry::GTY_FLAT_LINEAR_CURVE && (feature_mask & RTC_FEATURE_FLAG_FLAT_LINEAR_CURVE))
{
LineSegments* geom = context->scene->get<LineSegments>(geomID);
Vec3ff v0, v1; geom->gather_safe(v0,v1,geom->segment(primID),ray.time());
Vec3ff v0, v1; geom->gather_safe(v0,v1,geom->segment(primID),ray.time(), feature_mask & RTC_FEATURE_FLAG_MOTION_BLUR);
return isa::FlatLinearCurveIntersector1<1>::intersect(true,ray,context,geom,pre,v0,v1,Intersect1Epilog1_HWIF<Ray>(ray,context,geomID,primID,filter));
}
else if (gtype == Geometry::GTY_ROUND_LINEAR_CURVE && (feature_mask & RTC_FEATURE_FLAG_ROUND_LINEAR_CURVE))
{
LineSegments* geom = context->scene->get<LineSegments>(geomID);
Vec3ff v0,v1,v2,v3; geom->gather_safe(v0,v1,v2,v3,primID,geom->segment(primID),ray.time());
Vec3ff v0,v1,v2,v3; geom->gather_safe(v0,v1,v2,v3,primID,geom->segment(primID),ray.time(), feature_mask & RTC_FEATURE_FLAG_MOTION_BLUR);
return isa::RoundLinearCurveIntersector1<1>().intersect(true,ray,context,geom,pre,v0,v1,v2,v3,Intersect1Epilog1_HWIF<Ray>(ray,context,geomID,primID,filter));
}
else if (gtype == Geometry::GTY_CONE_LINEAR_CURVE && (feature_mask & RTC_FEATURE_FLAG_CONE_LINEAR_CURVE))
{
LineSegments* geom = context->scene->get<LineSegments>(geomID);
Vec3ff v0 = zero, v1 = zero; bool cL = false, cR = false;
geom->gather_safe(v0,v1,cL,cR,primID,geom->segment(primID),ray.time());
geom->gather_safe(v0,v1,cL,cR,primID,geom->segment(primID),ray.time(), feature_mask & RTC_FEATURE_FLAG_MOTION_BLUR);
return isa::ConeCurveIntersector1<1>().intersect(true,ray,context,geom,pre,v0,v1,cL,cR,Intersect1Epilog1_HWIF<Ray>(ray,context,geomID,primID,filter));
}
else
Expand Down Expand Up @@ -516,7 +516,7 @@ __forceinline bool intersect_primitive(intel_ray_query_t& query, Ray& ray, Scene
if (basis == Geometry::GTY_BASIS_HERMITE && (feature_mask & RTC_FEATURE_FLAG_NORMAL_ORIENTED_HERMITE_CURVE))
geom->gather_hermite_safe(v0,v1,n0,n1,v2,v3,n2,n3,geom->curve(primID),ray.time());
else
geom->gather_safe(v0,v1,v2,v3,n0,n1,n2,n3,geom->curve(primID),ray.time());
geom->gather_safe(v0,v1,v2,v3,n0,n1,n2,n3,geom->curve(primID),ray.time(), feature_mask & RTC_FEATURE_FLAG_MOTION_BLUR);
isa::convert_to_bezier(gtype, v0,v1,v2,v3, n0,n1,n2,n3);
return Intersector().intersect(pre,ray,context,geom,primID,v0,v1,v2,v3,n0,n1,n2,n3,Intersect1Epilog1_HWIF<Ray>(ray,context,geomID,primID,filter));
}
Expand All @@ -526,7 +526,7 @@ __forceinline bool intersect_primitive(intel_ray_query_t& query, Ray& ray, Scene
if (basis == Geometry::GTY_BASIS_HERMITE && (feature_mask & (RTC_FEATURE_FLAG_ROUND_HERMITE_CURVE | RTC_FEATURE_FLAG_FLAT_HERMITE_CURVE)))
geom->gather_hermite_safe(v0,v1,v2,v3,geom->curve(primID),ray.time());
else
geom->gather_safe(v0,v1,v2,v3,geom->curve(primID),ray.time());
geom->gather_safe(v0,v1,v2,v3,geom->curve(primID),ray.time(), feature_mask & RTC_FEATURE_FLAG_MOTION_BLUR);

isa::convert_to_bezier(gtype, v0,v1,v2,v3);

Expand Down