//------------------------------------------------------------------------------
static void
createVtrMesh(Shape * shape, int maxlevel) {
Stopwatch s;
s.Start();
// create Vtr mesh (topology)
OpenSubdiv::Sdc::Type sdctype = GetSdcType(*shape);
OpenSubdiv::Sdc::Options sdcoptions = GetSdcOptions(*shape);
OpenSubdiv::Far::TopologyRefiner * refiner =
OpenSubdiv::Far::TopologyRefinerFactory<Shape>::Create(sdctype, sdcoptions, *shape);
OpenSubdiv::Far::PatchTables * patchTables = 0;
if (g_Adaptive) {
refiner->RefineAdaptive(maxlevel, /*fullTopology*/true);
patchTables = OpenSubdiv::Far::PatchTablesFactory::Create(*refiner);
g_numPatches = patchTables->GetNumPatches();
} else {
refiner->RefineUniform(maxlevel, /*fullTopology*/true);
}
s.Stop();
// create vertex primvar data buffer
std::vector<Vertex> vertexBuffer(refiner->GetNumVerticesTotal());
Vertex * verts = &vertexBuffer[0];
//printf("Vtr time: %f ms (topology)\n", float(s.GetElapsed())*1000.0f);
// copy coarse vertices positions
int ncoarseverts = shape->GetNumVertices();
for (int i=0; i<ncoarseverts; ++i) {
float * ptr = &shape->verts[i*3];
verts[i].SetPosition(ptr[0], ptr[1], ptr[2]);
}
//#define no_stencils
#ifdef no_stencils
{
s.Start();
// populate buffer with Vtr interpolated vertex data
refiner->Interpolate(verts, verts + ncoarseverts);
s.Stop();
//printf(" %f ms (interpolate)\n", float(s.GetElapsed())*1000.0f);
//printf(" %f ms (total)\n", float(s.GetTotalElapsed())*1000.0f);
}
#else
{
OpenSubdiv::Far::StencilTablesFactory::Options options;
options.generateOffsets=true;
options.generateAllLevels=true;
options.sortBySize=false;
OpenSubdiv::Far::StencilTables const * stencilTables =
OpenSubdiv::Far::StencilTablesFactory::Create(*refiner, options);
stencilTables->UpdateValues(verts, verts + ncoarseverts);
}
#endif
if (g_VtrDrawVertIDs) {
createVertNumbers(*refiner, vertexBuffer);
}
if (g_VtrDrawFaceIDs) {
createFaceNumbers(*refiner, vertexBuffer);
}
if (g_VtrDrawPtexIDs and patchTables) {
createPtexNumbers(*patchTables, vertexBuffer);
}
if (g_Adaptive and patchTables) {
createPatchNumbers(*patchTables, vertexBuffer);
}
createEdgeNumbers(*refiner, vertexBuffer, g_VtrDrawEdgeIDs!=0, g_VtrDrawEdgeSharpness!=0);
GLMesh::Options options;
options.vertColorMode=g_Adaptive ? GLMesh::VERTCOLOR_BY_LEVEL : GLMesh::VERTCOLOR_BY_SHARPNESS;
options.edgeColorMode=g_Adaptive ? GLMesh::EDGECOLOR_BY_PATCHTYPE : GLMesh::EDGECOLOR_BY_SHARPNESS;
options.faceColorMode=g_Adaptive ? GLMesh::FACECOLOR_BY_PATCHTYPE :GLMesh::FACECOLOR_SOLID;
if (g_Adaptive) {
g_vtr_glmesh.Initialize(options, *refiner, patchTables, (float *)&verts[0]);
g_vtr_glmesh.SetDiffuseColor(1.0f, 1.0f, 1.0f, 1.0f);
} else {
g_vtr_glmesh.Initialize(options, *refiner, patchTables, (float *)&verts[0]);
g_vtr_glmesh.SetDiffuseColor(0.75f, 0.9f, 1.0f, 1.0f);
}
//setFaceColors(*refiner);
g_vtr_glmesh.InitializeDeviceBuffers();
delete refiner;
delete patchTables;
}
