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subdiv_eval.c File Reference
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#include "BKE_subdiv_eval.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "BLI_bitmap.h"
#include "BLI_math_vector.h"
#include "BLI_utildefines.h"
#include "BKE_customdata.h"
#include "BKE_subdiv.h"
#include "MEM_guardedalloc.h"
#include "opensubdiv_evaluator_capi.h"
#include "opensubdiv_topology_refiner_capi.h"

Go to the source code of this file.

Functions

bool BKE_subdiv_eval_begin (Subdiv *subdiv)
 
static void set_coarse_positions (Subdiv *subdiv, const Mesh *mesh, const float(*coarse_vertex_cos)[3])
 
static void set_face_varying_data_from_uv (Subdiv *subdiv, const MLoopUV *mloopuv, const int layer_index)
 
bool BKE_subdiv_eval_begin_from_mesh (Subdiv *subdiv, const Mesh *mesh, const float(*coarse_vertex_cos)[3])
 
bool BKE_subdiv_eval_refine_from_mesh (Subdiv *subdiv, const Mesh *mesh, const float(*coarse_vertex_cos)[3])
 
void BKE_subdiv_eval_init_displacement (Subdiv *subdiv)
 
void BKE_subdiv_eval_limit_point (Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_P[3])
 
void BKE_subdiv_eval_limit_point_and_derivatives (Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_P[3], float r_dPdu[3], float r_dPdv[3])
 
void BKE_subdiv_eval_limit_point_and_normal (Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_P[3], float r_N[3])
 
void BKE_subdiv_eval_limit_point_and_short_normal (Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_P[3], short r_N[3])
 
void BKE_subdiv_eval_face_varying (Subdiv *subdiv, const int face_varying_channel, const int ptex_face_index, const float u, const float v, float r_face_varying[2])
 
void BKE_subdiv_eval_displacement (Subdiv *subdiv, const int ptex_face_index, const float u, const float v, const float dPdu[3], const float dPdv[3], float r_D[3])
 
void BKE_subdiv_eval_final_point (Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_P[3])
 
static void buffer_apply_offset (void **buffer, const int offset)
 
static void buffer_write_float_value (void **buffer, const float *values_buffer, int num_values)
 
static void buffer_write_short_value (void **buffer, const short *values_buffer, int num_values)
 
void BKE_subdiv_eval_limit_patch_resolution_point (Subdiv *subdiv, const int ptex_face_index, const int resolution, void *buffer, const int offset, const int stride)
 
void BKE_subdiv_eval_limit_patch_resolution_point_and_derivatives (Subdiv *subdiv, const int ptex_face_index, const int resolution, void *point_buffer, const int point_offset, const int point_stride, void *du_buffer, const int du_offset, const int du_stride, void *dv_buffer, const int dv_offset, const int dv_stride)
 
void BKE_subdiv_eval_limit_patch_resolution_point_and_normal (Subdiv *subdiv, const int ptex_face_index, const int resolution, void *point_buffer, const int point_offset, const int point_stride, void *normal_buffer, const int normal_offset, const int normal_stride)
 
void BKE_subdiv_eval_limit_patch_resolution_point_and_short_normal (Subdiv *subdiv, const int ptex_face_index, const int resolution, void *point_buffer, const int point_offset, const int point_stride, void *normal_buffer, const int normal_offset, const int normal_stride)
 

Function Documentation

◆ BKE_subdiv_eval_begin()

bool BKE_subdiv_eval_begin ( Subdiv *  subdiv)

Definition at line 41 of file subdiv_eval.c.

References BKE_subdiv_eval_init_displacement(), BKE_subdiv_stats_begin(), BKE_subdiv_stats_end(), BKE_subdiv_stats_reset(), Subdiv::evaluator, NULL, openSubdiv_createEvaluatorFromTopologyRefiner(), Subdiv::stats, SUBDIV_STATS_EVALUATOR_CREATE, and Subdiv::topology_refiner.

Referenced by BKE_subdiv_eval_begin_from_mesh(), and reshape_subdiv_create().

◆ BKE_subdiv_eval_begin_from_mesh()

bool BKE_subdiv_eval_begin_from_mesh ( Subdiv *  subdiv,
const Mesh *  mesh,
const float(*)  coarse_vertex_cos[3] 
)

Definition at line 124 of file subdiv_eval.c.

References BKE_subdiv_eval_begin(), BKE_subdiv_eval_refine_from_mesh(), and mesh.

◆ BKE_subdiv_eval_displacement()

void BKE_subdiv_eval_displacement ( Subdiv *  subdiv,
const int  ptex_face_index,
const float  u,
const float  v,
const float  dPdu[3],
const float  dPdv[3],
float  r_D[3] 
)

Definition at line 247 of file subdiv_eval.c.

References Subdiv::displacement_evaluator, SubdivDisplacement::eval_displacement, NULL, v, and zero_v3().

Referenced by BKE_subdiv_eval_final_point(), subdiv_accumulate_vertex_displacement(), and subdiv_accumulate_vertex_normal_and_displacement().

◆ BKE_subdiv_eval_face_varying()

void BKE_subdiv_eval_face_varying ( Subdiv *  subdiv,
const int  face_varying_channel,
const int  ptex_face_index,
const float  u,
const float  v,
float  r_face_varying[2] 
)

Definition at line 236 of file subdiv_eval.c.

References OpenSubdiv_Evaluator::evaluateFaceVarying, Subdiv::evaluator, and v.

Referenced by subdiv_eval_uv_layer().

◆ BKE_subdiv_eval_final_point()

void BKE_subdiv_eval_final_point ( Subdiv *  subdiv,
const int  ptex_face_index,
const float  u,
const float  v,
float  r_P[3] 
)

Definition at line 263 of file subdiv_eval.c.

References add_v3_v3(), BKE_subdiv_eval_displacement(), BKE_subdiv_eval_limit_point(), BKE_subdiv_eval_limit_point_and_derivatives(), D(), Subdiv::displacement_evaluator, and v.

Referenced by eval_final_point_and_vertex_normal(), and subdiv_ccg_eval_grid_element_limit().

◆ BKE_subdiv_eval_init_displacement()

void BKE_subdiv_eval_init_displacement ( Subdiv *  subdiv)

Definition at line 158 of file subdiv_eval.c.

References Subdiv::displacement_evaluator, SubdivDisplacement::initialize, and NULL.

Referenced by BKE_subdiv_eval_begin().

◆ BKE_subdiv_eval_limit_patch_resolution_point()

void BKE_subdiv_eval_limit_patch_resolution_point ( Subdiv *  subdiv,
const int  ptex_face_index,
const int  resolution,
void *  buffer,
const int  offset,
const int  stride 
)

Definition at line 297 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point(), buffer, buffer_apply_offset(), float(), stride, v, x, and y.

◆ BKE_subdiv_eval_limit_patch_resolution_point_and_derivatives()

void BKE_subdiv_eval_limit_patch_resolution_point_and_derivatives ( Subdiv *  subdiv,
const int  ptex_face_index,
const int  resolution,
void *  point_buffer,
const int  point_offset,
const int  point_stride,
void *  du_buffer,
const int  du_offset,
const int  du_stride,
void *  dv_buffer,
const int  dv_offset,
const int  dv_stride 
)

Definition at line 316 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point_and_derivatives(), buffer_apply_offset(), float(), v, x, and y.

◆ BKE_subdiv_eval_limit_patch_resolution_point_and_normal()

void BKE_subdiv_eval_limit_patch_resolution_point_and_normal ( Subdiv *  subdiv,
const int  ptex_face_index,
const int  resolution,
void *  point_buffer,
const int  point_offset,
const int  point_stride,
void *  normal_buffer,
const int  normal_offset,
const int  normal_stride 
)

Definition at line 346 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point_and_normal(), buffer_apply_offset(), buffer_write_float_value(), float(), normal, v, x, and y.

◆ BKE_subdiv_eval_limit_patch_resolution_point_and_short_normal()

void BKE_subdiv_eval_limit_patch_resolution_point_and_short_normal ( Subdiv *  subdiv,
const int  ptex_face_index,
const int  resolution,
void *  point_buffer,
const int  point_offset,
const int  point_stride,
void *  normal_buffer,
const int  normal_offset,
const int  normal_stride 
)

Definition at line 372 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point_and_short_normal(), buffer_apply_offset(), buffer_write_short_value(), float(), normal, v, x, and y.

◆ BKE_subdiv_eval_limit_point()

void BKE_subdiv_eval_limit_point ( Subdiv *  subdiv,
const int  ptex_face_index,
const float  u,
const float  v,
float  r_P[3] 
)

Definition at line 171 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point_and_derivatives(), NULL, and v.

Referenced by BKE_subdiv_ccg_eval_limit_point(), BKE_subdiv_eval_final_point(), BKE_subdiv_eval_limit_patch_resolution_point(), evaluate_higher_grid_positions_callback(), evaluate_vertex_and_apply_displacement_copy(), evaluate_vertex_and_apply_displacement_interpolate(), subdiv_ccg_eval_grid_element_limit(), and subdiv_mesh_vertex_corner().

◆ BKE_subdiv_eval_limit_point_and_derivatives()

void BKE_subdiv_eval_limit_point_and_derivatives ( Subdiv *  subdiv,
const int  ptex_face_index,
const float  u,
const float  v,
float  r_P[3],
float  r_dPdu[3],
float  r_dPdv[3] 
)

Definition at line 177 of file subdiv_eval.c.

References equals_v3v3(), OpenSubdiv_Evaluator::evaluateLimit, Subdiv::evaluator, is_zero_v3(), NULL, and v.

Referenced by average_construct_tangent_matrix(), BKE_subdiv_eval_final_point(), BKE_subdiv_eval_limit_patch_resolution_point_and_derivatives(), BKE_subdiv_eval_limit_point(), BKE_subdiv_eval_limit_point_and_normal(), multires_reshape_evaluate_limit_at_grid(), reshape_subdiv_evaluate_limit_at_grid(), subdiv_accumulate_vertex_displacement(), and subdiv_accumulate_vertex_normal_and_displacement().

◆ BKE_subdiv_eval_limit_point_and_normal()

void BKE_subdiv_eval_limit_point_and_normal ( Subdiv *  subdiv,
const int  ptex_face_index,
const float  u,
const float  v,
float  r_P[3],
float  r_N[3] 
)

Definition at line 211 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point_and_derivatives(), cross_v3_v3v3(), normalize_v3(), and v.

Referenced by BKE_subdiv_eval_limit_patch_resolution_point_and_normal(), BKE_subdiv_eval_limit_point_and_short_normal(), and subdiv_ccg_eval_grid_element_limit().

◆ BKE_subdiv_eval_limit_point_and_short_normal()

void BKE_subdiv_eval_limit_point_and_short_normal ( Subdiv *  subdiv,
const int  ptex_face_index,
const float  u,
const float  v,
float  r_P[3],
short  r_N[3] 
)

Definition at line 224 of file subdiv_eval.c.

References BKE_subdiv_eval_limit_point_and_normal(), normal_float_to_short_v3(), and v.

Referenced by BKE_subdiv_eval_limit_patch_resolution_point_and_short_normal(), and eval_final_point_and_vertex_normal().

◆ BKE_subdiv_eval_refine_from_mesh()

bool BKE_subdiv_eval_refine_from_mesh ( Subdiv *  subdiv,
const Mesh *  mesh,
const float(*)  coarse_vertex_cos[3] 
)

Definition at line 134 of file subdiv_eval.c.

References BKE_subdiv_stats_begin(), BKE_subdiv_stats_end(), BLI_assert, CD_MLOOPUV, CustomData_get_layer_n(), CustomData_number_of_layers(), Subdiv::evaluator, Mesh::ldata, mesh, NULL, OpenSubdiv_Evaluator::refine, set_coarse_positions(), set_face_varying_data_from_uv(), Subdiv::stats, and SUBDIV_STATS_EVALUATOR_REFINE.

Referenced by BKE_subdiv_eval_begin_from_mesh().

◆ buffer_apply_offset()

static void buffer_apply_offset ( void **  buffer,
const int  offset 
)
static

Definition at line 280 of file subdiv_eval.c.

References buffer.

Referenced by BKE_subdiv_eval_limit_patch_resolution_point(), BKE_subdiv_eval_limit_patch_resolution_point_and_derivatives(), BKE_subdiv_eval_limit_patch_resolution_point_and_normal(), and BKE_subdiv_eval_limit_patch_resolution_point_and_short_normal().

◆ buffer_write_float_value()

static void buffer_write_float_value ( void **  buffer,
const float *  values_buffer,
int  num_values 
)
static

Definition at line 286 of file subdiv_eval.c.

References buffer.

Referenced by BKE_subdiv_eval_limit_patch_resolution_point_and_normal().

◆ buffer_write_short_value()

static void buffer_write_short_value ( void **  buffer,
const short *  values_buffer,
int  num_values 
)
static

Definition at line 292 of file subdiv_eval.c.

References buffer.

Referenced by BKE_subdiv_eval_limit_patch_resolution_point_and_short_normal().

◆ set_coarse_positions()

static void set_coarse_positions ( Subdiv *  subdiv,
const Mesh *  mesh,
const float(*)  coarse_vertex_cos[3] 
)
static

Definition at line 64 of file subdiv_eval.c.

References BLI_BITMAP_ENABLE, BLI_BITMAP_NEW, BLI_BITMAP_TEST_BOOL, MVert::co, Subdiv::evaluator, MPoly::loopstart, MEM_freeN, mesh, Mesh::mloop, Mesh::mpoly, Mesh::mvert, NULL, OpenSubdiv_Evaluator::setCoarsePositions, MPoly::totloop, Mesh::totpoly, Mesh::totvert, and MLoop::v.

Referenced by BKE_subdiv_eval_refine_from_mesh().

◆ set_face_varying_data_from_uv()

static void set_face_varying_data_from_uv ( Subdiv *  subdiv,
const MLoopUV *  mloopuv,
const int  layer_index 
)
static

Definition at line 102 of file subdiv_eval.c.

References Subdiv::evaluator, OpenSubdiv_TopologyRefiner::getFaceFVarValueIndices, OpenSubdiv_TopologyRefiner::getNumFaces, OpenSubdiv_TopologyRefiner::getNumFaceVertices, OpenSubdiv_Evaluator::setFaceVaryingData, Subdiv::topology_refiner, and MLoopUV::uv.

Referenced by BKE_subdiv_eval_refine_from_mesh().

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