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// 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 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;
}
} // 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);
}
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