void
OsdMeshData::initializeMesh()
{
if (!_hbrmesh)
return;
OpenSubdiv::OsdMeshBitset bits;
bits.set(OpenSubdiv::MeshAdaptive, _adaptive!=0);
bits.set(OpenSubdiv::MeshFVarData, true);
if (_kernel == kCPU) {
_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCpuGLVertexBuffer,
OpenSubdiv::OsdCpuComputeController,
OpenSubdiv::OsdGLDrawContext>(
g_cpuComputeController,
_hbrmesh, 3, _level, bits);
#ifdef OPENSUBDIV_HAS_OPENMP
} else if (_kernel == kOPENMP) {
_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCpuGLVertexBuffer,
OpenSubdiv::OsdOmpComputeController,
OpenSubdiv::OsdGLDrawContext>(
g_ompComputeController,
_hbrmesh, 3, _level, bits);
#endif
#ifdef OPENSUBDIV_HAS_CUDA
} else if(_kernel == kCUDA) {
_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCudaGLVertexBuffer,
OpenSubdiv::OsdCudaComputeController,
OpenSubdiv::OsdGLDrawContext>(
g_cudaComputeController,
_hbrmesh, 3, _level, bits);
#endif
#ifdef OPENSUBDIV_HAS_OPENCL
} else if(_kernel == kCL) {
_mesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCLGLVertexBuffer,
OpenSubdiv::OsdCLComputeController,
OpenSubdiv::OsdGLDrawContext>(
g_clComputeController,
_hbrmesh, 3, _level, bits,
g_clContext, g_clQueue);
#endif
}
delete _hbrmesh;
_hbrmesh = NULL;
_needsInitializeMesh = false;
// get geometry from maya mesh
MFnMesh meshFn(_meshDagPath);
meshFn.getPoints(_pointArray);
_needsUpdate = true;
}
void
OsdMeshWrapper::CreateCatmarkMesh(
int level, int numPoints, int numFloatsPerPoint,
int nvertsSize, const jint *nverts,
int vertsSize, const jint *verts)
{
static OpenSubdiv::HbrCatmarkSubdivision<OpenSubdiv::OsdVertex> catmark;
OsdHbrMesh *hmesh = new OsdHbrMesh(&catmark);
// create new empty vertices
OpenSubdiv::OsdVertex v;
for (int i=0; i<numPoints; ++i) {
hmesh->NewVertex(i, v);
}
// assign base mesh topology
const jint *faceIndices = verts;
for (int i=0; i<nvertsSize; ++i) {
int numVertsInFace = nverts[ i ];
bool faceIsValid = true;
for (int j=0; j<numVertsInFace; ++j) {
int i0 = faceIndices[ j ];
int i1 = faceIndices[ (j+1) % numVertsInFace ];
OsdHbrVertex *v0 = hmesh->GetVertex(i0);
OsdHbrVertex *v1 = hmesh->GetVertex(i1);
// XXXdyu-api check for topology errors
}
if (faceIsValid) {
OsdHbrFace * face =
hmesh->NewFace(numVertsInFace, const_cast<int *>(faceIndices), 0);
}
faceIndices += numVertsInFace;
}
hmesh->Finish();
_level = level;
_numPoints = numPoints;
_numFloatsPerPoint = numFloatsPerPoint;
OpenSubdiv::OsdMeshBitset bits;
bits.set(OpenSubdiv::MeshAdaptive, false);
_osdMesh = new OpenSubdiv::OsdMesh<OpenSubdiv::OsdCpuGLVertexBuffer,
OpenSubdiv::OsdCpuComputeController,
OpenSubdiv::OsdGLDrawContext>
(hmesh, _numFloatsPerPoint+3, _level, bits); //XXXdyu
delete hmesh;
_nverts.assign(nverts, nverts+nvertsSize);
_verts.assign(verts, verts+vertsSize);
}