1e4764a9a5
- Return evaluated points as function return value. Used in cases when only limit or final point is requested, without partial derivatives. - Re-order function argument list and use default argument values to simplify usage in the simple/typical cases. No functional changes expected.
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/* SPDX-FileCopyrightText: 2020 Blender Authors
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
/** \file
|
|
* \ingroup bke
|
|
*/
|
|
|
|
#include "DNA_mesh_types.h"
|
|
#include "DNA_modifier_types.h"
|
|
#include "DNA_object_types.h"
|
|
|
|
#include "BKE_subdiv.hh"
|
|
#include "BKE_subdiv_eval.hh"
|
|
|
|
#include "multires_reshape.hh"
|
|
#include "opensubdiv_converter_capi.hh"
|
|
#include "subdiv_converter.hh"
|
|
|
|
#ifdef WITH_OPENSUBDIV
|
|
|
|
static float simple_to_catmull_clark_get_edge_sharpness(const OpenSubdiv_Converter * /*converter*/,
|
|
int /*manifold_edge_index*/)
|
|
{
|
|
return 10.0f;
|
|
}
|
|
|
|
static bool simple_to_catmull_clark_is_infinite_sharp_vertex(
|
|
const OpenSubdiv_Converter * /*converter*/, int /*manifold_vertex_index*/)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static blender::bke::subdiv::Subdiv *subdiv_for_simple_to_catmull_clark(Object *object,
|
|
MultiresModifierData *mmd)
|
|
{
|
|
using namespace blender::bke;
|
|
subdiv::Settings subdiv_settings;
|
|
BKE_multires_subdiv_settings_init(&subdiv_settings, mmd);
|
|
|
|
const Mesh *base_mesh = static_cast<const Mesh *>(object->data);
|
|
|
|
OpenSubdiv_Converter converter;
|
|
subdiv::converter_init_for_mesh(&converter, &subdiv_settings, base_mesh);
|
|
converter.getEdgeSharpness = simple_to_catmull_clark_get_edge_sharpness;
|
|
converter.isInfiniteSharpVertex = simple_to_catmull_clark_is_infinite_sharp_vertex;
|
|
|
|
subdiv::Subdiv *subdiv = subdiv::new_from_converter(&subdiv_settings, &converter);
|
|
subdiv::converter_free(&converter);
|
|
|
|
if (!subdiv::eval_begin_from_mesh(subdiv, base_mesh, subdiv::SUBDIV_EVALUATOR_TYPE_CPU)) {
|
|
subdiv::free(subdiv);
|
|
return nullptr;
|
|
}
|
|
|
|
return subdiv;
|
|
}
|
|
|
|
#endif
|
|
|
|
void multires_do_versions_simple_to_catmull_clark(Object *object, MultiresModifierData *mmd)
|
|
{
|
|
#ifdef WITH_OPENSUBDIV
|
|
const Mesh *base_mesh = static_cast<const Mesh *>(object->data);
|
|
if (base_mesh->corners_num == 0) {
|
|
return;
|
|
}
|
|
|
|
/* Store the grids displacement in object space against the simple limit surface. */
|
|
{
|
|
blender::bke::subdiv::Subdiv *subdiv = subdiv_for_simple_to_catmull_clark(object, mmd);
|
|
MultiresReshapeContext reshape_context;
|
|
if (!multires_reshape_context_create_from_subdiv(
|
|
&reshape_context, object, mmd, subdiv, mmd->totlvl))
|
|
{
|
|
blender::bke::subdiv::free(subdiv);
|
|
return;
|
|
}
|
|
|
|
multires_reshape_store_original_grids(&reshape_context);
|
|
multires_reshape_assign_final_coords_from_mdisps(&reshape_context);
|
|
multires_reshape_context_free(&reshape_context);
|
|
|
|
blender::bke::subdiv::free(subdiv);
|
|
}
|
|
|
|
/* Calculate the new tangent displacement against the new Catmull-Clark limit surface. */
|
|
{
|
|
MultiresReshapeContext reshape_context;
|
|
if (!multires_reshape_context_create_from_modifier(&reshape_context, object, mmd, mmd->totlvl))
|
|
{
|
|
return;
|
|
}
|
|
multires_reshape_object_grids_to_tangent_displacement(&reshape_context);
|
|
multires_reshape_context_free(&reshape_context);
|
|
}
|
|
#else
|
|
UNUSED_VARS(object, mmd);
|
|
#endif
|
|
}
|