a12a8a71bb
The goal is to solve confusion of the "All rights reserved" for licensing
code under an open-source license.
The phrase "All rights reserved" comes from a historical convention that
required this phrase for the copyright protection to apply. This convention
is no longer relevant.
However, even though the phrase has no meaning in establishing the copyright
it has not lost meaning in terms of licensing.
This change makes it so code under the Blender Foundation copyright does
not use "all rights reserved". This is also how the GPL license itself
states how to apply it to the source code:
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software ...
This change does not change copyright notice in cases when the copyright
is dual (BF and an author), or just an author of the code. It also does
mot change copyright which is inherited from NaN Holding BV as it needs
some further investigation about what is the proper way to handle it.
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2020 Blender Foundation */
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/** \file
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* \ingroup bke
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*/
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#include "MEM_guardedalloc.h"
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#include "DNA_mesh_types.h"
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#include "DNA_modifier_types.h"
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#include "DNA_object_types.h"
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#include "BKE_subdiv.h"
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#include "BKE_subdiv_eval.h"
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#include "multires_reshape.hh"
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#include "opensubdiv_converter_capi.h"
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#include "subdiv_converter.h"
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static float simple_to_catmull_clark_get_edge_sharpness(const OpenSubdiv_Converter * /*converter*/,
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int /*manifold_edge_index*/)
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{
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return 10.0f;
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}
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static bool simple_to_catmull_clark_is_infinite_sharp_vertex(
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const OpenSubdiv_Converter * /*converter*/, int /*manifold_vertex_index*/)
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{
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return true;
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}
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static Subdiv *subdiv_for_simple_to_catmull_clark(Object *object, MultiresModifierData *mmd)
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{
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SubdivSettings subdiv_settings;
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BKE_multires_subdiv_settings_init(&subdiv_settings, mmd);
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const Mesh *base_mesh = static_cast<const Mesh *>(object->data);
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OpenSubdiv_Converter converter;
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BKE_subdiv_converter_init_for_mesh(&converter, &subdiv_settings, base_mesh);
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converter.getEdgeSharpness = simple_to_catmull_clark_get_edge_sharpness;
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converter.isInfiniteSharpVertex = simple_to_catmull_clark_is_infinite_sharp_vertex;
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Subdiv *subdiv = BKE_subdiv_new_from_converter(&subdiv_settings, &converter);
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BKE_subdiv_converter_free(&converter);
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if (!BKE_subdiv_eval_begin_from_mesh(
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subdiv, base_mesh, nullptr, SUBDIV_EVALUATOR_TYPE_CPU, nullptr)) {
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BKE_subdiv_free(subdiv);
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return nullptr;
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}
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return subdiv;
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}
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void multires_do_versions_simple_to_catmull_clark(Object *object, MultiresModifierData *mmd)
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{
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const Mesh *base_mesh = static_cast<const Mesh *>(object->data);
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if (base_mesh->totloop == 0) {
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return;
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}
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/* Store the grids displacement in object space against the simple limit surface. */
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{
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Subdiv *subdiv = subdiv_for_simple_to_catmull_clark(object, mmd);
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MultiresReshapeContext reshape_context;
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if (!multires_reshape_context_create_from_subdiv(
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&reshape_context, object, mmd, subdiv, mmd->totlvl)) {
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BKE_subdiv_free(subdiv);
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return;
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}
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multires_reshape_store_original_grids(&reshape_context);
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multires_reshape_assign_final_coords_from_mdisps(&reshape_context);
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multires_reshape_context_free(&reshape_context);
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BKE_subdiv_free(subdiv);
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}
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/* Calculate the new tangent displacement against the new Catmull-Clark limit surface. */
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{
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MultiresReshapeContext reshape_context;
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if (!multires_reshape_context_create_from_modifier(
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&reshape_context, object, mmd, mmd->totlvl)) {
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return;
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}
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multires_reshape_object_grids_to_tangent_displacement(&reshape_context);
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multires_reshape_context_free(&reshape_context);
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}
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}
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