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Copyright 2013 Pixar
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.
136 lines
4.0 KiB
C++
136 lines
4.0 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 EXAMPLES_MAYAVIEWER_OSDMESHDATA_H_
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#define EXAMPLES_MAYAVIEWER_OSDMESHDATA_H_
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#include <osd/error.h>
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#include <osd/vertex.h>
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#include <osd/glMesh.h>
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#include <osd/cpuGLVertexBuffer.h>
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#include <osd/cpuComputeContext.h>
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#ifdef OPENSUBDIV_HAS_OPENCL
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#include <osd/clGLVertexBuffer.h>
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#include <osd/clComputeContext.h>
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#endif
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#ifdef OPENSUBDIV_HAS_CUDA
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#include <osd/cudaGLVertexBuffer.h>
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#include <osd/cudaComputeContext.h>
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#endif
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#include <maya/MDagPath.h>
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#include <maya/MUserData.h>
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#include <maya/MFloatPointArray.h>
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#include <maya/MFnMesh.h>
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#include <maya/MDoubleArray.h>
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#include <maya/MHWGeometry.h>
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#include <maya/MIntArray.h>
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#include <maya/MUintArray.h>
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class OpenSubdivShader; // for getting attributes in rebuildHbrMeshIfNeeded
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class FVarDataDesc;
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typedef OpenSubdiv::HbrMesh<OpenSubdiv::OsdVertex> OsdHbrMesh;
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class OsdMeshData : public MUserData
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{
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public:
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explicit OsdMeshData(const MDagPath& meshDagPath);
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virtual ~OsdMeshData();
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void rebuildHbrMeshIfNeeded(OpenSubdivShader *shader);
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void prepare();
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void updateGeometry(const MHWRender::MVertexBuffer *point);
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GLuint bindPositionVBO() { return _mesh->BindVertexBuffer(); }
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OpenSubdiv::OsdGLDrawContext * getDrawContext() { return _mesh->GetDrawContext(); }
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// accessors
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const MDagPath& getDagPath() { return _meshDagPath; }
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void setMeshTopoDirty() { _meshTopoDirty = true; }
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public:
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enum KernelType { kCPU = 0,
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kOPENMP = 1,
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kCUDA = 2,
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kCL = 3,
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kGLSL = 4,
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kGLSLCompute = 5 };
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enum SchemeType {
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// needs to match HbrMeshUtil::SchemeType enums (or whatever hbrUtil uses)
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kCatmark=0,
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kLoop=1,
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kBilinear=2 };
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enum InterpolateBoundaryType {
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// needs to match OsdHbrMesh::InterpolateBoundaryMethod enums
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kInterpolateBoundaryNone,
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kInterpolateBoundaryEdgeOnly,
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kInterpolateBoundaryEdgeAndCorner,
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kInterpolateBoundaryAlwaysSharp };
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private:
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void initializeMesh();
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void clearComputeContextAndVertexBuffer();
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MStatus buildUVList( MFnMesh& meshFn, std::vector<float>& uvList );
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MDagPath _meshDagPath;
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bool _meshTopoDirty;
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OsdHbrMesh *_hbrmesh;
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OpenSubdiv::OsdGLMeshInterface *_mesh;
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MFloatPointArray _pointArray;
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// topology cache
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MIntArray _vertexList;
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MUintArray _edgeIds, _vtxIds;
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MDoubleArray _edgeCreaseData, _vtxCreaseData;
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int _level;
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int _scheme;
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int _kernel;
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bool _adaptive;
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InterpolateBoundaryType _interpBoundary;
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InterpolateBoundaryType _interpUVBoundary;
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// UV face-varying
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MString _uvSet;
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FVarDataDesc *_fvarDesc;
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bool _needsUpdate;
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bool _needsInitializeMesh;
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};
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#endif // EXAMPLES_MAYAVIEWER_OSDMESHDATA_H_
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