24 #ifndef PXR_IMAGING_HD_MESH_UTIL_H
25 #define PXR_IMAGING_HD_MESH_UTIL_H
39 #include "pxr/base/vt/array.h"
86 : _topology(topology), _id(id) {}
111 VtIntArray *primitiveParams,
112 VtIntArray *edgeIndices =
nullptr)
const;
151 VtIntArray *primitiveParams,
152 VtVec2iArray *edgeIndices =
nullptr)
const;
164 VtValue *quadrangulated)
const;
175 VtValue *quadrangulated)
const;
185 void EnumerateEdges(std::vector<GfVec2i> * edgeVerticesOut)
const;
192 return ((faceIndex << 2) | (edgeFlag & 3));
195 return (coarseFaceParam >> 2);
198 return (coarseFaceParam & 3);
204 int _ComputeNumQuads(VtIntArray
const &numVerts,
205 VtIntArray
const &holeIndices,
206 bool *invalidFaceFound =
nullptr)
const;
267 std::vector<int>
const & edgeIndices,
268 std::vector<GfVec2i> * edgeVerticesOut)
const;
271 std::vector<int> * edgeIndicesOut)
const;
280 if (verts[0] > verts[1]) {
289 struct _CompareEdgeVertices {
290 bool operator() (_Edge
const &lhs, _Edge
const & rhs)
const {
291 return (lhs.verts[0] < rhs.verts[0] ||
292 (lhs.verts[0] == rhs.verts[0] &&
293 lhs.verts[1] < rhs.verts[1]));
297 struct _EdgeVerticesHash {
299 inline size_t operator()(
GfVec2i const&
v)
const {
301 int theMin = v[0], theMax = v[1];
302 if (theMin > theMax) {
306 size_t y = x + theMax;
307 return x + (y * (y + 1)) / 2;
311 std::vector<GfVec2i> _edgeVertices;
312 std::vector<_Edge> _edgesByIndex;
318 #endif // PXR_IMAGING_HD_MESH_UTIL_H
bool GetVerticesForEdgeIndex(int edgeId, GfVec2i *edgeVerticesOut) const
HD_API bool ComputeTriangulatedFaceVaryingPrimvar(void const *source, int numElements, HdType dataType, VtValue *triangulated) const
std::vector< int > numVerts
HD_API void ComputeQuadIndices(VtVec4iArray *indices, VtIntArray *primitiveParams, VtVec2iArray *edgeIndices=nullptr) const
HD_API void ComputeTriangleIndices(VtVec3iArray *indices, VtIntArray *primitiveParams, VtIntArray *edgeIndices=nullptr) const
void swap(UT::ArraySet< Key, MULTI, MAX_LOAD_FACTOR_256, Clearer, Hash, KeyEqual > &a, UT::ArraySet< Key, MULTI, MAX_LOAD_FACTOR_256, Clearer, Hash, KeyEqual > &b)
HD_API bool ComputeQuadrangulatedFaceVaryingPrimvar(void const *source, int numElements, HdType dataType, VtValue *quadrangulated) const
static int DecodeFaceIndexFromCoarseFaceParam(int coarseFaceParam)
bool IsAllQuads() const
Returns true if the mesh is all-quads.
GLenum GLsizeiptr const void GLsizei faceIndex
static int DecodeEdgeFlagFromCoarseFaceParam(int coarseFaceParam)
bool GetVerticesForEdgeIndices(std::vector< int > const &edgeIndices, std::vector< GfVec2i > *edgeVerticesOut) const
GT_API const UT_StringHolder topology
GLsizei GLsizei GLchar * source
GLsizei GLenum const void * indices
bool GetEdgeIndices(GfVec2i const &edgeVertices, std::vector< int > *edgeIndicesOut) const
HD_API void EnumerateEdges(std::vector< GfVec2i > *edgeVerticesOut) const
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
static int EncodeCoarseFaceParam(int faceIndex, int edgeFlag)
#define PXR_NAMESPACE_CLOSE_SCOPE
HD_API bool ComputeQuadrangulatedPrimvar(HdQuadInfo const *qi, void const *source, int numElements, HdType dataType, VtValue *quadrangulated) const
HdMeshUtil(HdMeshTopology const *topology, SdfPath const &id)
HdMeshEdgeIndexTable(HdMeshTopology const *topology)
HD_API void ComputeQuadInfo(HdQuadInfo *quadInfo) const
Generate a quadInfo struct for the input topology.