diff options
Diffstat (limited to 'intern/cycles/bvh/bvh_embree.cpp')
| -rw-r--r-- | intern/cycles/bvh/bvh_embree.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/intern/cycles/bvh/bvh_embree.cpp b/intern/cycles/bvh/bvh_embree.cpp index f621c5c0dd4..639dfe3cee2 100644 --- a/intern/cycles/bvh/bvh_embree.cpp +++ b/intern/cycles/bvh/bvh_embree.cpp @@ -728,8 +728,9 @@ void BVHEmbree::update_curve_vertex_buffer(RTCGeometry geom_id, const Hair *hair } /* Catmull-Rom splines need extra CVs at the beginning and end of each curve. */ + size_t num_keys_embree = num_keys; if (use_curves) { - num_keys += num_curves * 2; + num_keys_embree += num_curves * 2; } /* Copy the CV data to Embree */ @@ -746,7 +747,7 @@ void BVHEmbree::update_curve_vertex_buffer(RTCGeometry geom_id, const Hair *hair } float4 *rtc_verts = (float4 *)rtcSetNewGeometryBuffer( - geom_id, RTC_BUFFER_TYPE_VERTEX, t, RTC_FORMAT_FLOAT4, sizeof(float) * 4, num_keys); + geom_id, RTC_BUFFER_TYPE_VERTEX, t, RTC_FORMAT_FLOAT4, sizeof(float) * 4, num_keys_embree); assert(rtc_verts); if (rtc_verts) { @@ -767,7 +768,7 @@ void BVHEmbree::update_curve_vertex_buffer(RTCGeometry geom_id, const Hair *hair } } else { - for (size_t j = 0; j < num_keys; ++j) { + for (size_t j = 0; j < num_keys_embree; ++j) { rtc_verts[j] = float3_to_float4(verts[j]); rtc_verts[j].w = curve_radius[j]; } |