forked from bartvdbraak/blender
f305972377
The idea is to give multiple coordinates to evaluator and evaluate them all at once, avoiding any possible overhead.
171 lines
6.2 KiB
C++
171 lines
6.2 KiB
C++
// Copyright 2015 Blender Foundation. All rights reserved.
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License
|
|
// as published by the Free Software Foundation; either version 2
|
|
// of the License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software Foundation,
|
|
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
//
|
|
// Author: Sergey Sharybin
|
|
|
|
#include "opensubdiv_evaluator_capi.h"
|
|
|
|
#include <new>
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "internal/opensubdiv_evaluator_internal.h"
|
|
|
|
namespace {
|
|
|
|
void setCoarsePositions(OpenSubdiv_Evaluator *evaluator,
|
|
const float *positions,
|
|
const int start_vertex_index,
|
|
const int num_vertices)
|
|
{
|
|
evaluator->internal->eval_output->setCoarsePositions(
|
|
positions, start_vertex_index, num_vertices);
|
|
}
|
|
|
|
void setVaryingData(OpenSubdiv_Evaluator *evaluator,
|
|
const float *varying_data,
|
|
const int start_vertex_index,
|
|
const int num_vertices)
|
|
{
|
|
evaluator->internal->eval_output->setVaryingData(varying_data, start_vertex_index, num_vertices);
|
|
}
|
|
|
|
void setFaceVaryingData(OpenSubdiv_Evaluator *evaluator,
|
|
const int face_varying_channel,
|
|
const float *face_varying_data,
|
|
const int start_vertex_index,
|
|
const int num_vertices)
|
|
{
|
|
evaluator->internal->eval_output->setFaceVaryingData(
|
|
face_varying_channel, face_varying_data, start_vertex_index, num_vertices);
|
|
}
|
|
|
|
void setCoarsePositionsFromBuffer(OpenSubdiv_Evaluator *evaluator,
|
|
const void *buffer,
|
|
const int start_offset,
|
|
const int stride,
|
|
const int start_vertex_index,
|
|
const int num_vertices)
|
|
{
|
|
evaluator->internal->eval_output->setCoarsePositionsFromBuffer(
|
|
buffer, start_offset, stride, start_vertex_index, num_vertices);
|
|
}
|
|
|
|
void setVaryingDataFromBuffer(OpenSubdiv_Evaluator *evaluator,
|
|
const void *buffer,
|
|
const int start_offset,
|
|
const int stride,
|
|
const int start_vertex_index,
|
|
const int num_vertices)
|
|
{
|
|
evaluator->internal->eval_output->setVaryingDataFromBuffer(
|
|
buffer, start_offset, stride, start_vertex_index, num_vertices);
|
|
}
|
|
|
|
void setFaceVaryingDataFromBuffer(OpenSubdiv_Evaluator *evaluator,
|
|
const int face_varying_channel,
|
|
const void *buffer,
|
|
const int start_offset,
|
|
const int stride,
|
|
const int start_vertex_index,
|
|
const int num_vertices)
|
|
{
|
|
evaluator->internal->eval_output->setFaceVaryingDataFromBuffer(
|
|
face_varying_channel, buffer, start_offset, stride, start_vertex_index, num_vertices);
|
|
}
|
|
|
|
void refine(OpenSubdiv_Evaluator *evaluator)
|
|
{
|
|
evaluator->internal->eval_output->refine();
|
|
}
|
|
|
|
void evaluateLimit(OpenSubdiv_Evaluator *evaluator,
|
|
const int ptex_face_index,
|
|
const float face_u,
|
|
const float face_v,
|
|
float P[3],
|
|
float dPdu[3],
|
|
float dPdv[3])
|
|
{
|
|
evaluator->internal->eval_output->evaluateLimit(ptex_face_index, face_u, face_v, P, dPdu, dPdv);
|
|
}
|
|
|
|
void evaluatePatchesLimit(OpenSubdiv_Evaluator *evaluator,
|
|
const OpenSubdiv_PatchCoord *patch_coords,
|
|
const int num_patch_coords,
|
|
float *P,
|
|
float *dPdu,
|
|
float *dPdv)
|
|
{
|
|
evaluator->internal->eval_output->evaluatePatchesLimit(
|
|
patch_coords, num_patch_coords, P, dPdu, dPdv);
|
|
}
|
|
|
|
void evaluateVarying(OpenSubdiv_Evaluator *evaluator,
|
|
const int ptex_face_index,
|
|
float face_u,
|
|
float face_v,
|
|
float varying[3])
|
|
{
|
|
evaluator->internal->eval_output->evaluateVarying(ptex_face_index, face_u, face_v, varying);
|
|
}
|
|
|
|
void evaluateFaceVarying(OpenSubdiv_Evaluator *evaluator,
|
|
const int face_varying_channel,
|
|
const int ptex_face_index,
|
|
float face_u,
|
|
float face_v,
|
|
float face_varying[2])
|
|
{
|
|
evaluator->internal->eval_output->evaluateFaceVarying(
|
|
face_varying_channel, ptex_face_index, face_u, face_v, face_varying);
|
|
}
|
|
|
|
void assignFunctionPointers(OpenSubdiv_Evaluator *evaluator)
|
|
{
|
|
evaluator->setCoarsePositions = setCoarsePositions;
|
|
evaluator->setVaryingData = setVaryingData;
|
|
evaluator->setFaceVaryingData = setFaceVaryingData;
|
|
|
|
evaluator->setCoarsePositionsFromBuffer = setCoarsePositionsFromBuffer;
|
|
evaluator->setVaryingDataFromBuffer = setVaryingDataFromBuffer;
|
|
evaluator->setFaceVaryingDataFromBuffer = setFaceVaryingDataFromBuffer;
|
|
|
|
evaluator->refine = refine;
|
|
|
|
evaluator->evaluateLimit = evaluateLimit;
|
|
evaluator->evaluateVarying = evaluateVarying;
|
|
evaluator->evaluateFaceVarying = evaluateFaceVarying;
|
|
|
|
evaluator->evaluatePatchesLimit = evaluatePatchesLimit;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
OpenSubdiv_Evaluator *openSubdiv_createEvaluatorFromTopologyRefiner(
|
|
OpenSubdiv_TopologyRefiner *topology_refiner)
|
|
{
|
|
OpenSubdiv_Evaluator *evaluator = OBJECT_GUARDED_NEW(OpenSubdiv_Evaluator);
|
|
assignFunctionPointers(evaluator);
|
|
evaluator->internal = openSubdiv_createEvaluatorInternal(topology_refiner);
|
|
return evaluator;
|
|
}
|
|
|
|
void openSubdiv_deleteEvaluator(OpenSubdiv_Evaluator *evaluator)
|
|
{
|
|
openSubdiv_deleteEvaluatorInternal(evaluator->internal);
|
|
OBJECT_GUARDED_DELETE(evaluator, OpenSubdiv_Evaluator);
|
|
}
|