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Patches and regression shapes for Bilinear scheme:

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- Bilinear patches derived from non-quads now correctly created
    - added new regression/shapes for Bilinear (non-planar and non-quad)
This commit is contained in:
barry 2018-12-21 12:35:31 -08:00
parent 16cbbe3fd4
commit 42a0be5cb9
5 changed files with 196 additions and 15 deletions
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32
opensubdiv/far/patchBuilder.cpp
View File

@ -540,25 +540,27 @@ PatchBuilder::IsFaceAPatch(int levelIndex, Index faceIndex) const {
Level const & level = _refiner.getLevel(levelIndex);
// Fail if the face is a hole (i.e. no limit surface)
// Faces tagged as holes are not patches (no limit surface)
if (_refiner.HasHoles() && level.isFaceHole(faceIndex)) return false;
// Return if the face is regular only when scheme is linear:
if (_schemeIsLinear) {
return level.getFaceVertices(faceIndex).size() == _schemeRegFaceSize;
}
// Fail if the face is incident an irregular face (base level) or if incomplete:
Level::VTag compVTag = level.getFaceCompositeVTag(faceIndex);
// Base faces are patches unless an irregular face or incident one:
if (levelIndex == 0) {
if (compVTag._incidIrregFace) return false;
} else if (_schemeRegFaceSize == 4) {
if (compVTag._incomplete) return false;
} else {
// Cannot use combined VTags for triangles, inspect the Refinement tags:
if (_refiner.getRefinement(levelIndex - 1).getChildFaceTag(faceIndex)._incomplete) return false;
if (_schemeIsLinear) {
return level.getFaceVertices(faceIndex).size() == _schemeRegFaceSize;
} else {
return !level.getFaceCompositeVTag(faceIndex)._incidIrregFace;
}
}
// Refined faces are patches unless "incomplete", i.e. they exist solely to
// support an adjacent patch (can only use the more commonly used combined
// VTag for all corners for quads -- need a Refinement tag for tris):
if (_schemeRegFaceSize == 4) {
return !level.getFaceCompositeVTag(faceIndex)._incomplete;
} else {
Refinement const & refinement = _refiner.getRefinement(levelIndex - 1);
return !refinement.getChildFaceTag(faceIndex)._incomplete;
}
return true;
}
bool

3
regression/shapes/all.h
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@ -99,6 +99,9 @@
#include "catmark_torus_creases1.h"
#include "bilinear_cube.h"
#include "bilinear_nonplanar.h"
#include "bilinear_nonquads0.h"
#include "bilinear_nonquads1.h"
#include "loop_cube_creases0.h"
#include "loop_cube_creases1.h"

45
regression/shapes/bilinear_nonplanar.h Normal file
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@ -0,0 +1,45 @@
//
// Copyright 2018 DreamWorks Animation LLC.
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
static const std::string bilinear_nonplanar =
"\n"
"v -0.6 -0.5 -0.4\n"
"v -0.1 0.0 0.4\n"
"v -0.6 0.5 -0.4\n"
"v -1.1 0.0 0.4\n"
"v 0.6 -0.5 -0.4\n"
"v 1.1 0.0 0.4\n"
"v 0.6 0.5 -0.4\n"
"v 0.1 0.0 0.4\n"
"\n"
"vt 0 0\n"
"vt 1 0\n"
"vt 1 1\n"
"vt 0 1\n"
"\n"
"f 1/1 2/2 3/3 4/4\n"
"f 6/2 7/3 8/4 5/1\n"
"\n"
"t interpolateboundary 1/0/0 1\n"
;

49
regression/shapes/bilinear_nonquads0.h Normal file
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@ -0,0 +1,49 @@
//
// Copyright 2018 DreamWorks Animation LLC.
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
static const std::string bilinear_nonquads0 =
"\n"
"v -2.05 0 -0.88\n"
"v -0.05 0 -0.88\n"
"v -1.05 0 0.85\n"
"v 0.41 0 -0.91\n"
"v 1.59 0 -0.91\n"
"v 1.95 0 0.21\n"
"v 1.00 0 0.90\n"
"v 0.05 0 0.21\n"
"\n"
"vt 0.0 0.0\n"
"vt 1.0 0.0\n"
"vt 0.5 1.0\n"
"vt 0.20 0.05\n"
"vt 0.74 0.05\n"
"vt 0.98 0.58\n"
"vt 0.50 0.95\n"
"vt 0.02 0.58\n"
"\n"
"f 1/1 2/2 3/3\n"
"f 4/4 5/5 6/6 7/7 8/8\n"
"\n"
"t interpolateboundary 1/0/0 1\n"
;

82
regression/shapes/bilinear_nonquads1.h Normal file
View File

@ -0,0 +1,82 @@
//
// Copyright 2018 DreamWorks Animation LLC.
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
static const std::string bilinear_nonquads1 =
"\n"
"v 0.80 0.0 -0.9\n"
"v 0.0 0.0 -0.9\n"
"v 0.40 0.0 -1.2\n"
"v 0.80 0.35 -0.5\n"
"v 0.80 0.0 0.9\n"
"v -0.50 0.0 -0.9\n"
"v -0.50 0.0 -0.5\n"
"v 0.0 0.0 -0.5\n"
"v 0.0 0.35 -0.2\n"
"v -0.50 0.35 -0.2\n"
"v -0.0 0.0 0.5\n"
"v -0.50 0.0 0.5\n"
"v 0.40 0.35 -0.2\n"
"v -0.0 0.0 0.9\n"
"v -0.50 0.0 0.9\n"
"v 0.40 0.0 1.2\n"
"v -0.0 0.35 0.2\n"
"v 0.80 0.35 0.5\n"
"v 0.40 0.35 0.2\n"
"v -0.50 0.35 0.2\n"
"\n"
"vt 0.80 0.2\n"
"vt 0.40 0.2\n"
"vt 0.60 0.1\n"
"vt 0.80 0.33\n"
"vt 0.80 0.8\n"
"vt 0.15 0.2\n"
"vt 0.15 0.33\n"
"vt 0.40 0.33\n"
"vt 0.40 0.43\n"
"vt 0.15 0.43\n"
"vt 0.40 0.67\n"
"vt 0.15 0.67\n"
"vt 0.60 0.43\n"
"vt 0.40 0.8\n"
"vt 0.15 0.8\n"
"vt 0.60 0.9\n"
"vt 0.40 0.57\n"
"vt 0.80 0.67\n"
"vt 0.60 0.57\n"
"vt 0.15 0.57\n"
"\n"
"f 13/13 9/9 8/8\n"
"f 11/11 17/17 19/19\n"
"f 11/11 12/12 20/20 17/17\n"
"f 7/7 6/6 2/2 8/8\n"
"f 9/9 10/10 7/7 8/8\n"
"f 14/14 15/15 12/12 11/11\n"
"f 18/18 5/5 16/16 14/14 11/11 19/19\n"
"f 2/2 3/3 1/1 4/4 13/13 8/8\n"
"f 4/4 18/18 19/19 13/13\n"
"f 17/17 20/20 10/10 9/9\n"
"f 19/19 17/17 9/9 13/13\n"
"\n"
"t interpolateboundary 1/0/0 1\n"
;