mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-28 22:31:07 +00:00
a79832b3a1
- remove Descriptor iterators - switch 'unsigned int' indices to typed Far::Index We aren't done yet... but its a step in the right direction
136 lines
4.4 KiB
C++
136 lines
4.4 KiB
C++
//
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// Copyright 2013 Pixar
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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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#ifndef OSD_CPU_EVAL_LIMIT_CONTEXT_H
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#define OSD_CPU_EVAL_LIMIT_CONTEXT_H
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#include "../version.h"
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#include "../osd/evalLimitContext.h"
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#include "../osd/vertexDescriptor.h"
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#include "../far/patchTables.h"
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#include "../far/patchMap.h"
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#include <map>
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#include <stdio.h>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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class CpuEvalLimitContext : public EvalLimitContext {
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public:
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/// \brief Factory
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/// Returns an EvalLimitContext from the given far patch tables.
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/// Note : the patchtables is expected to be feature-adaptive and have ptex
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/// coordinates tables.
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///
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/// @param patchTables a pointer to an initialized Far::PatchTables
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///
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/// @param requireFVarData flag for generating face-varying data
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///
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static CpuEvalLimitContext * Create(Far::PatchTables const &patchTables,
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bool requireFVarData=false);
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virtual ~CpuEvalLimitContext();
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/// Returns the vector of patch arrays
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const Far::PatchTables::PatchArrayVector & GetPatchArrayVector() const {
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return _patchArrays;
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}
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/// Returns the vector of per-patch parametric data
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const std::vector<Far::PatchParam::BitField> & GetPatchBitFields() const {
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return _patchBitFields;
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}
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/// The ordered array of control vertex indices for all the patches
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const std::vector<Far::Index> & GetControlVertices() const {
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return _patches;
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}
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/// Returns the vertex-valence buffer used for Gregory patch computations
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Far::PatchTables::VertexValenceTable const & GetVertexValenceTable() const {
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return _vertexValenceTable;
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}
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/// Returns the Quad-Offsets buffer used for Gregory patch computations
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Far::PatchTables::QuadOffsetTable const & GetQuadOffsetTable() const {
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return _quadOffsetTable;
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}
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/// Returns the face-varying data patch table
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std::vector<float> const & GetFVarData() const {
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return _fvarData;
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}
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/// Returns the number of floats in a datum of the face-varying data table
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int GetFVarWidth() const {
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return _fvarwidth;
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}
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/// Returns a map that can connect a faceId to a list of children patches
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Far::PatchMap const & GetPatchMap() const {
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return *_patchMap;
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}
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/// Returns the highest valence of the vertices in the buffers
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int GetMaxValence() const {
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return _maxValence;
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}
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protected:
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explicit CpuEvalLimitContext(Far::PatchTables const & patchTables, bool requireFVarData);
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private:
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// Topology data for a mesh
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Far::PatchTables::PatchArrayVector _patchArrays; // patch descriptor for each patch in the mesh
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Far::PatchTables::PTable _patches; // patch control vertices
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std::vector<Far::PatchParam::BitField> _patchBitFields; // per-patch parametric info
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Far::PatchTables::VertexValenceTable _vertexValenceTable; // extra Gregory patch data buffers
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Far::PatchTables::QuadOffsetTable _quadOffsetTable;
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std::vector<float> _fvarData;
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Far::PatchMap * _patchMap; // map of the sub-patches given a face index
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int _maxValence,
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_fvarwidth;
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};
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} // end namespace Osd
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* OSD_CPU_EVAL_LIMIT_CONTEXT_H */
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