void CDetail::Optimize ()
{
xr_vector<u16> vec_indices, vec_permute;
const int cache = HW.Caps.geometry.dwVertexCache;
// Stripify
vec_indices.assign (indices,indices+number_indices);
vec_permute.resize (number_vertices);
int vt_old = xrSimulate(vec_indices,cache);
xrStripify (vec_indices,vec_permute,cache,0);
int vt_new = xrSimulate(vec_indices,cache);
if (vt_new<vt_old)
{
// Msg ("* DM: %d verts, %d indices, VT: %d/%d",number_vertices,number_indices,vt_old,vt_new);
// Copy faces
CopyMemory (indices,&*vec_indices.begin(),vec_indices.size()*sizeof(u16));
// Permute vertices
xr_vector<fvfVertexIn> verts;
verts.assign (vertices,vertices+number_vertices);
for(u32 i=0; i<verts.size(); i++)
vertices[i]=verts[vec_permute[i]];
}
}
void OGF::Stripify ()
{
if (progressive_test()) return; // Mesh already progressive - don't stripify it
// fast verts
if (fast_path_data.vertices.size() && fast_path_data.faces.size())
/*
try {
xr_vector<u16> indices,permute;
// Stripify
u16* F = (u16*)&*x_faces.begin();
indices.assign (F,F+(x_faces.size()*3) );
permute.resize (x_vertices.size() );
xrStripify (indices,permute,c_vCacheSize,0);
// Copy faces
CopyMemory (&*x_faces.begin(),&*indices.begin(),(u32)indices.size()*sizeof(u16));
// Permute vertices
vec_XV temp_list = x_vertices;
for(u32 i=0; i<temp_list.size(); i++)
x_vertices[i]=temp_list[permute[i]];
} catch (...) {
clMsg ("ERROR: [fast-vert] Stripifying failed. Dump below.");
DumpFaces ();
*/
{
// alternative stripification - faces
{
DWORD* remap = xr_alloc<DWORD> (fast_path_data.faces.size());
HRESULT rhr = D3DXOptimizeFaces (&fast_path_data.faces.front(),fast_path_data.faces.size(),fast_path_data.vertices.size(),FALSE,remap);
R_CHK (rhr);
vecOGF_F _source = fast_path_data.faces;
for (u32 it=0; it<_source.size(); it++) fast_path_data.faces[it] = _source[remap[it]];
xr_free (remap);
}
// alternative stripification - vertices
{
DWORD* remap = xr_alloc<DWORD> (fast_path_data.vertices.size());
HRESULT rhr = D3DXOptimizeVertices (&fast_path_data.faces.front(),fast_path_data.faces.size(),fast_path_data.vertices.size(),FALSE,remap);
R_CHK (rhr);
vec_XV _source = fast_path_data.vertices;
for(u32 it=0; it<_source.size(); it++) fast_path_data.vertices[remap[it]] = _source[it];
for(u32 it=0; it<fast_path_data.faces.size(); it++) for (u32 j=0; j<3; j++) fast_path_data.faces[it].v[j]= (u16)remap[fast_path_data.faces[it].v[j]];
xr_free (remap);
}
}
// normal verts
try {
xr_vector<u16> indices,permute;
// Stripify
u16* F = (u16*)&*data.faces.begin();
indices.assign (F,F+(data.faces.size()*3));
permute.resize (data.vertices.size());
xrStripify (indices,permute,c_vCacheSize,0);
// Copy faces
CopyMemory (&*data.faces.begin(),&*indices.begin(),(u32)indices.size()*sizeof(u16));
// Permute vertices
vecOGF_V temp_list = data.vertices;
for(u32 i=0; i<temp_list.size(); i++)
data.vertices[i]=temp_list[permute[i]];
} catch (...) {
clMsg ("ERROR: [slow-vert] Stripifying failed. Dump below.");
DumpFaces ();
}
}
