ExtractGhostLayer.cpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#include "shammodels/ramses/modules/ExtractGhostLayer.hpp"
#include "shambackends/DeviceBuffer.hpp"
#include "shamrock/patch/PatchDataLayer.hpp"
 
void shammodels::basegodunov::modules::ExtractGhostLayer::_impl_evaluate_internal() {
    StackEntry stack_loc{};
 
    auto edges = get_edges();
 
    // inputs
    auto &patch_data_layers = edges.patch_data_layers;
    auto &idx_in_ghost      = edges.idx_in_ghost;
 
    // outputs
    auto &ghost_layer = edges.ghost_layer;
 
    // iterate on buffer storing indexes in ghost layer
    for (const auto &[key, sender_idx_in_ghost] : idx_in_ghost.buffers) {
        auto [sender, receiver] = key;
 
        shamrock::patch::PatchDataLayer ghost_zone(ghost_layer_layout);
 
        // extract the actual data
        patch_data_layers.get(sender).append_subset_to(
            sender_idx_in_ghost, u32(sender_idx_in_ghost.get_size()), ghost_zone);
 
        ghost_layer.patchdatas.add_obj(sender, receiver, std::move(ghost_zone));
    }
}
 
std::string shammodels::basegodunov::modules::ExtractGhostLayer::_impl_get_tex() const {
    return "TODO";
}