mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-13 04:20:10 +00:00
9206ab0f21
- modified IsAdaptive() method to better identify non-linear types
- updated comments to better reflect current use of patches
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
//
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// Copyright 2014 DreamWorks Animation LLC.
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#include "../far/patchDescriptor.h"
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#include <cassert>
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#include <cstdio>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Far {
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//
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// Lists of valid patch Descriptors for each subdivision scheme
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//
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// Historically this has only included the non-linear patch types, though
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// it is possible for linear patches to represent irregularities for both
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// Catmark and Loop, and the Bilinear scheme is adaptively refined into
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// linear quads (e.g. a pentagon becoming five quads).
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//
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ConstPatchDescriptorArray
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PatchDescriptor::GetAdaptivePatchDescriptors(Sdc::SchemeType type) {
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static PatchDescriptor _loopDescriptors[] = {
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PatchDescriptor(LOOP),
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PatchDescriptor(GREGORY_TRIANGLE),
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};
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static PatchDescriptor _catmarkDescriptors[] = {
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PatchDescriptor(REGULAR),
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PatchDescriptor(GREGORY),
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PatchDescriptor(GREGORY_BOUNDARY),
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PatchDescriptor(GREGORY_BASIS),
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};
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switch (type) {
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case Sdc::SCHEME_BILINEAR :
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return ConstPatchDescriptorArray(0, 0);
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case Sdc::SCHEME_CATMARK :
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return ConstPatchDescriptorArray(_catmarkDescriptors,
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(int)(sizeof(_catmarkDescriptors)/sizeof(PatchDescriptor)));
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case Sdc::SCHEME_LOOP :
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return ConstPatchDescriptorArray(_loopDescriptors,
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(int)(sizeof(_loopDescriptors)/sizeof(PatchDescriptor)));
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default:
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assert(0);
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}
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return ConstPatchDescriptorArray(0, 0);;
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}
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void
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PatchDescriptor::print() const {
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static char const * types[13] = {
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"NON_PATCH", "POINTS", "LINES", "QUADS", "TRIANGLES", "LOOP",
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"REGULAR", "GREGORY", "GREGORY_BOUNDARY", "GREGORY_BASIS",
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"GREGORY_TRIANGLE"};
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printf(" type %s\n",
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types[_type]);
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}
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} // end namespace Far
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} // end namespace OPENSUBDIV_VERSION
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} // end namespace OpenSubdiv
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