in ReplicaSDK/ptex/PTexLib.cpp [170:174]
void PTexMesh::RenderDepth(const pangolin::OpenGlRenderState& cam, const float depthScale, const Eigen::Vector4f& clipPlane) {
for (size_t i = 0; i < meshes.size(); i++) {
RenderSubMeshDepth(i, cam, depthScale, clipPlane);
}
}