91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
//
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// Copyright 2018 DreamWorks Animation LLC.
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//
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// Licensed under the terms set forth in the LICENSE.txt file available at
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// https://opensubdiv.org/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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