take_runs()

std::optional< std::vector< Portal::Graphics::DrawRun > > MayaFlux::Buffers::SliceSet::take_runs

(

)

Runs for the visible blocks in draw order, if they changed.

Returns

The new run list once after each change, then nullopt.

Definition at line 138 of file SliceSet.cpp.

{
    if (!m_runs_changed) {
        return std::nullopt;
    }
    m_runs_changed = false;
 
    std::vector<Portal::Graphics::DrawRun> runs;
    for (const SliceId id : m_draw_order) {
        const auto& slice = m_slices.at(id);
        if (!slice.visible || slice.byte_size == 0) {
            continue;
        }
 
        const auto offset = static_cast<uint32_t>(slice.byte_offset / m_stride);
        const auto count = static_cast<uint32_t>(slice.byte_size / m_stride);
 
        if (is_concatenable_topology(slice.topology) && !runs.empty()
            && runs.back().topology == slice.topology
            && runs.back().vertex_offset + runs.back().vertex_count == offset) {
            runs.back().vertex_count += count;
            continue;
        }
 
        runs.push_back({ .topology = slice.topology, .vertex_offset = offset, .vertex_count = count });
    }
 
    return runs;
}

References count, m_draw_order, m_runs_changed, m_slices, m_stride, and offset.

Referenced by MayaFlux::Buffers::FormaProcessor::processing_function().

Here is the caller graph for this function: