static auto create_attribs(const spirv_cross::Compiler& compiler, const std::vector<spirv_cross::Resource>& resources) {
core::Vector<ShaderModuleBase::Attribute> attribs;
std::unordered_set<u32> locations;
for(const auto& r : resources) {
auto location = compiler.get_decoration(r.id, spv::DecorationLocation);
const auto& type = compiler.get_type(r.type_id);
attribs << ShaderModuleBase::Attribute{location, type.columns, type.vecsize, component_size(type.basetype), component_type(type.basetype)};
for(usize i = location; i != location + type.columns; ++i) {
if(!locations.insert(i).second) {
y_fatal("Duplicate or overlapping attribute locations.");
}
}
}
return attribs;
}
const BaseMath &
BaseMath::writeStrongComponents( std::ostream & os ) const {
typedef InputGraph Graph;
auto const & g = this->_input_graph;
Graph::NodeMap< int > component_id(g);
const int n_components = stronglyConnectedComponents( g, component_id );
std::vector< int > component_size( n_components, 0 );
std::vector< int > component_non_dummy_size( n_components, 0 );
/**
* Iterate all nodes, get the component id,
* update the size.
*/
for ( Graph::NodeIt n(g); n != lemon::INVALID; ++ n ) {
++ component_size[ component_id[n] ];
if ( !_dummy[n] ) {
++ component_non_dummy_size[ component_id[n] ];
}
}
os << "Strongly connected components of input graph = " << n_components << std::endl;
os << "Component sizes =";
for ( auto n : component_size ) {
os << " " << n;
}
os << std::endl;
os << "Component sizes (non-dummy) =";
for ( auto n : component_non_dummy_size ) {
os << " " << n;
}
os << std::endl;
return *this;
}