mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-23 08:20:06 +00:00
f15d4ae02f
- overloaded PatchBuilder to populate SparseMatrix as float or double
- simplified PatchTableBuilder handling of matrices and Varying stencils
108 lines
3.8 KiB
C++
108 lines
3.8 KiB
C++
//
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// Copyright 2018 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/bilinearPatchBuilder.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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using Vtr::internal::Level;
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using Vtr::internal::FVarLevel;
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using Vtr::internal::Refinement;
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namespace Far {
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namespace {
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//
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// The patch type associated with each basis for Bilinear -- quickly indexed
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// from an array. The patch type here is essentially the quad form of each
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// basis.
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//
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PatchDescriptor::Type patchTypeFromBasisArray[] = {
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PatchDescriptor::NON_PATCH, // undefined
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PatchDescriptor::QUADS, // regular
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PatchDescriptor::GREGORY_BASIS, // Gregory
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PatchDescriptor::QUADS, // linear
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PatchDescriptor::NON_PATCH }; // Bezier -- for future use
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};
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BilinearPatchBuilder::BilinearPatchBuilder(
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TopologyRefiner const& refiner, Options const& options) :
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PatchBuilder(refiner, options) {
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_regPatchType = patchTypeFromBasisArray[_options.regBasisType];
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_irregPatchType = (_options.irregBasisType == BASIS_UNSPECIFIED)
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? _regPatchType
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: patchTypeFromBasisArray[_options.irregBasisType];
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_nativePatchType = PatchDescriptor::QUADS;
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_linearPatchType = PatchDescriptor::QUADS;
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}
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BilinearPatchBuilder::~BilinearPatchBuilder() {
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}
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PatchDescriptor::Type
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BilinearPatchBuilder::patchTypeFromBasis(BasisType basis) const {
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return patchTypeFromBasisArray[(int)basis];
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}
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template <typename REAL>
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int
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BilinearPatchBuilder::convertSourcePatch(SourcePatch const & sourcePatch,
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PatchDescriptor::Type patchType,
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SparseMatrix<REAL> & matrix) const {
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assert("Conversion from Bilinear patches to other bases not yet supported" == 0);
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// For suppressing warnings until implemented...
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if (sourcePatch.GetNumSourcePoints() == 0) return -1;
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if (patchType == PatchDescriptor::NON_PATCH) return -1;
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if (matrix.GetNumRows() <= 0) return -1;
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return -1;
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}
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int
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BilinearPatchBuilder::convertToPatchType(SourcePatch const & sourcePatch,
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PatchDescriptor::Type patchType,
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SparseMatrix<float> & matrix) const {
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return convertSourcePatch(sourcePatch, patchType, matrix);
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}
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int
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BilinearPatchBuilder::convertToPatchType(SourcePatch const & sourcePatch,
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PatchDescriptor::Type patchType,
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SparseMatrix<double> & matrix) const {
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return convertSourcePatch(sourcePatch, patchType, matrix);
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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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