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OpenSubdiv: Add extra base level queries to topology refiner

This commit is contained in:
Sergey Sharybin 2018-09-20 11:45:22 +02:00
parent 069fa8279d
commit 8196b9d7bc
2 changed files with 65 additions and 0 deletions
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50
intern/opensubdiv/internal/opensubdiv_topology_refiner.cc
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@ -64,6 +64,14 @@ int getNumFaces(const OpenSubdiv_TopologyRefiner* topology_refiner) {
////////////////////////////////////////////////////////////////////////////////
// PTex face geometry queries.
static void convertArrayToRaw(
const OpenSubdiv::Far::ConstIndexArray& array,
int* raw_array) {
for (int i = 0; i < array.size(); ++i) {
raw_array[i] = array[i];
}
}
int getNumFaceVertices(const OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index) {
const OpenSubdiv::Far::TopologyLevel* base_level =
@ -71,6 +79,44 @@ int getNumFaceVertices(const OpenSubdiv_TopologyRefiner* topology_refiner,
return base_level->GetFaceVertices(face_index).size();
}
void getFaceVertices(const OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index,
int* face_vertices_indices) {
const OpenSubdiv::Far::TopologyLevel* base_level =
getOSDTopologyBaseLevel(topology_refiner);
OpenSubdiv::Far::ConstIndexArray array =
base_level->GetFaceVertices(face_index);
convertArrayToRaw(array, face_vertices_indices);
}
int getNumFaceEdges(const OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index) {
const OpenSubdiv::Far::TopologyLevel* base_level =
getOSDTopologyBaseLevel(topology_refiner);
return base_level->GetFaceEdges(face_index).size();
}
void getFaceEdges(const OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index,
int* face_edges_indices) {
const OpenSubdiv::Far::TopologyLevel* base_level =
getOSDTopologyBaseLevel(topology_refiner);
OpenSubdiv::Far::ConstIndexArray array = base_level->GetFaceEdges(face_index);
convertArrayToRaw(array, face_edges_indices);
}
void getEdgeVertices(const OpenSubdiv_TopologyRefiner* topology_refiner,
const int edge_index,
int edge_vertices_indices[2]) {
const OpenSubdiv::Far::TopologyLevel* base_level =
getOSDTopologyBaseLevel(topology_refiner);
OpenSubdiv::Far::ConstIndexArray array =
base_level->GetEdgeVertices(edge_index);
assert(array.size() == 2);
edge_vertices_indices[0] = array[0];
edge_vertices_indices[1] = array[1];
}
int getNumFacePtexFaces(const OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index) {
const int num_face_vertices =
@ -147,6 +193,10 @@ void assignFunctionPointers(OpenSubdiv_TopologyRefiner* topology_refiner) {
topology_refiner->getNumEdges = getNumEdges;
topology_refiner->getNumFaces = getNumFaces;
topology_refiner->getNumFaceVertices = getNumFaceVertices;
topology_refiner->getFaceVertices = getFaceVertices;
topology_refiner->getNumFaceEdges = getNumFaceEdges;
topology_refiner->getFaceEdges = getFaceEdges;
topology_refiner->getEdgeVertices = getEdgeVertices;
// PTex face geometry.
topology_refiner->getNumFacePtexFaces = getNumFacePtexFaces;
topology_refiner->getNumPtexFaces = getNumPtexFaces;

15
intern/opensubdiv/opensubdiv_topology_refiner_capi.h
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@ -66,6 +66,21 @@ typedef struct OpenSubdiv_TopologyRefiner {
int (*getNumFaceVertices)(
const struct OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index);
void (*getFaceVertices)(
const struct OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index,
int* face_vertices_indices);
int (*getNumFaceEdges)(
const struct OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index);
void (*getFaceEdges)(
const struct OpenSubdiv_TopologyRefiner* topology_refiner,
const int face_index,
int* face_edges_indices);
void (*getEdgeVertices)(
const struct OpenSubdiv_TopologyRefiner* topology_refiner,
const int edge_index,
int edge_vertices_indices[2]);
//////////////////////////////////////////////////////////////////////////////
// PTex face geometry queries.