C++ (Cpp) updateEdgeLevel Examples

Example #1

File: viewer_device.cpp Project: karimnaaji/aobaker

void updateEdgeLevelBuffer( ISPCSubdivMesh* mesh, const Vec3fa& cam_pos, size_t startID, size_t endID )
{
  for (size_t f=startID; f<endID;f++) {
    unsigned int e = mesh->face_offsets[f];
    unsigned int N = mesh->verticesPerFace[f];
    if (N == 4) /* fast path for quads */
      for (size_t i=0; i<4; i++)
        mesh->subdivlevel[e+i] =  updateEdgeLevel(mesh,cam_pos,e+(i+0),e+(i+1)%4);
    else if (N == 3) /* fast path for triangles */
      for (size_t i=0; i<3; i++)
        mesh->subdivlevel[e+i] =  updateEdgeLevel(mesh,cam_pos,e+(i+0),e+(i+1)%3);
    else /* fast path for general polygons */
      for (size_t i=0; i<N; i++)
        mesh->subdivlevel[e+i] =  updateEdgeLevel(mesh,cam_pos,e+(i+0),e+(i+1)%N);
  }
}

Example #2

File: interpolation_device.cpp Project: appleseedhq/appleseed-deps

void setTriangleSubdivCubeLevels (RTCGeometry geom, const Vec3fa& cam_pos)
{
  Vec3fa* vtx = (Vec3fa*) rtcGetGeometryBufferData(geom, RTC_BUFFER_TYPE_VERTEX, 0);
  if (vtx == nullptr) return;
  float* level = (float*) rtcGetGeometryBufferData(geom, RTC_BUFFER_TYPE_LEVEL, 0);
  if (level == nullptr) return;

  for (unsigned int i=0; i<NUM_TRI_INDICES; i+=3)
  {
    level[i+0] = updateEdgeLevel(cam_pos, vtx, cube_tri_indices, i+0, i+1);
    level[i+1] = updateEdgeLevel(cam_pos, vtx, cube_tri_indices, i+1, i+2);
    level[i+2] = updateEdgeLevel(cam_pos, vtx, cube_tri_indices, i+2, i+0);
  }

  rtcUpdateGeometryBuffer(geom, RTC_BUFFER_TYPE_LEVEL, 0);
  rtcCommitGeometry(geom);
}