Create a single occluder which consists of a tetrahedron mesh (4 vertices, 12 indices).
__m128 v0 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 0], refMin), invExtents);
__m128 v1 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 4], refMin), invExtents);
__m128 v2 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 8], refMin), invExtents);
__m128 v3 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 12], refMin), invExtents);
__m128 v4 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 16], refMin), invExtents);
__m128 v5 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 20], refMin), invExtents);
__m128 v6 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 24], refMin), invExtents);
__m128 v7 = _mm_mul_ps(_mm_sub_ps(orderedVertices[i + j + 28], refMin), invExtents);