diff options
Diffstat (limited to 'intern/cycles/bvh/bvh_embree.cpp')
| -rw-r--r-- | intern/cycles/bvh/bvh_embree.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/intern/cycles/bvh/bvh_embree.cpp b/intern/cycles/bvh/bvh_embree.cpp index eb103b4e712..17e1f86a589 100644 --- a/intern/cycles/bvh/bvh_embree.cpp +++ b/intern/cycles/bvh/bvh_embree.cpp @@ -324,7 +324,6 @@ BVHEmbree::BVHEmbree(const BVHParams ¶ms_, stats(NULL), curve_subdivisions(params.curve_subdivisions), build_quality(RTC_BUILD_QUALITY_REFIT), - use_ribbons(params.curve_flags & CURVE_KN_RIBBONS), dynamic_scene(true) { _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON); @@ -771,6 +770,12 @@ void BVHEmbree::add_curves(const Object *ob, const Hair *hair, int i) } const size_t num_motion_steps = min(num_geometry_motion_steps, RTC_MAX_TIME_STEP_COUNT); + const PrimitiveType primitive_type = + (num_motion_steps > 1) ? + ((hair->curve_shape == CURVE_RIBBON) ? PRIMITIVE_MOTION_CURVE_RIBBON : + PRIMITIVE_MOTION_CURVE_THICK) : + ((hair->curve_shape == CURVE_RIBBON) ? PRIMITIVE_CURVE_RIBBON : PRIMITIVE_CURVE_THICK); + assert(num_geometry_motion_steps <= RTC_MAX_TIME_STEP_COUNT); const size_t num_curves = hair->num_curves(); @@ -791,11 +796,12 @@ void BVHEmbree::add_curves(const Object *ob, const Hair *hair, int i) size_t prim_tri_index_size = pack.prim_index.size(); pack.prim_tri_index.resize(prim_tri_index_size + num_segments); - enum RTCGeometryType type = (use_ribbons ? RTC_GEOMETRY_TYPE_FLAT_CATMULL_ROM_CURVE : - RTC_GEOMETRY_TYPE_ROUND_CATMULL_ROM_CURVE); + enum RTCGeometryType type = (hair->curve_shape == CURVE_RIBBON ? + RTC_GEOMETRY_TYPE_FLAT_CATMULL_ROM_CURVE : + RTC_GEOMETRY_TYPE_ROUND_CATMULL_ROM_CURVE); RTCGeometry geom_id = rtcNewGeometry(rtc_shared_device, type); - rtcSetGeometryTessellationRate(geom_id, curve_subdivisions); + rtcSetGeometryTessellationRate(geom_id, curve_subdivisions + 1); unsigned *rtc_indices = (unsigned *)rtcSetNewGeometryBuffer( geom_id, RTC_BUFFER_TYPE_INDEX, 0, RTC_FORMAT_UINT, sizeof(int), num_segments); size_t rtc_index = 0; @@ -807,8 +813,7 @@ void BVHEmbree::add_curves(const Object *ob, const Hair *hair, int i) rtc_indices[rtc_index] += j * 2; /* Cycles specific data. */ pack.prim_object[prim_object_size + rtc_index] = i; - pack.prim_type[prim_type_size + rtc_index] = (PRIMITIVE_PACK_SEGMENT( - num_motion_steps > 1 ? PRIMITIVE_MOTION_CURVE : PRIMITIVE_CURVE, k)); + pack.prim_type[prim_type_size + rtc_index] = (PRIMITIVE_PACK_SEGMENT(primitive_type, k)); pack.prim_index[prim_index_size + rtc_index] = j; pack.prim_tri_index[prim_tri_index_size + rtc_index] = rtc_index; @@ -822,7 +827,7 @@ void BVHEmbree::add_curves(const Object *ob, const Hair *hair, int i) update_curve_vertex_buffer(geom_id, hair); rtcSetGeometryUserData(geom_id, (void *)prim_offset); - if (use_ribbons) { + if (hair->curve_shape == CURVE_RIBBON) { rtcSetGeometryOccludedFilterFunction(geom_id, rtc_filter_occluded_func); } else { |