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Fix: Crash with deforming motion blurred meshes in HIPRT #125854

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Sergey Sharybin merged 3 commits from Alaska/blender:fix-hiprt-mesh-motion-blur-crash into main 2024-08-05 18:38:44 +02:00
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1 changed files with 2 additions and 0 deletions
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2
intern/cycles/device/hiprt/device_impl.cpp
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@ -417,6 +417,7 @@ hiprtGeometryBuildInput HIPRTDevice::prepare_triangle_blas(BVHHIPRT *bvh, Mesh *
bvh->custom_primitive_bound.alloc(num_triangles * num_bvh_steps);
bvh->custom_prim_info.resize(num_triangles * num_bvh_steps);
bvh->prims_time.resize(num_triangles * num_bvh_steps);
for (uint j = 0; j < num_triangles; j++) {
Mesh::Triangle t = mesh->get_triangle(j);
@ -888,6 +889,7 @@ hiprtScene HIPRTDevice::build_tlas(BVHHIPRT *bvh,
int time_offset = bvh->prims_time.size();
prim_time_map[geom] = time_offset;
bvh.prims_time.resize(time_offset + current_bvh->prims_time.size());
memcpy(bvh->prims_time.data() + time_offset,
current_bvh->prims_time.data(),
current_bvh->prims_time.size() * sizeof(float2));