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Code Issues 154 Wiki Activity

perf(gl46): leave out instance buckets before the culling, lod bounds once per model, shared walks of the shadow cascades

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Hirek
2026-10-22 20:13:25 +02:00
parent b343e98e22
commit 5d3f857c39
7 changed files with 250 additions and 51 deletions
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25
rendering/opengl46/opengl46instancecull.cpp
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@@ -125,26 +125,11 @@ void opengl46_instance_cull::add(scene::basic_cell::instance_bucket_key const &K
auto lookup{groupmap.find(Key)};
if (lookup == groupmap.end())
{
// lod bounds of the model, the same set Render_Instanced() splits the distance into bands with
// lod bounds of the model, the same set Render_Instanced() splits the distance into bands with, found once for the model
auto const lodfirst{static_cast<std::uint32_t>(m_lodlist.size())};
m_pending.clear();
m_pending.push_back(Key.pModel->Root);
while (!m_pending.empty())
{
auto const *submodel{m_pending.back()};
m_pending.pop_back();
if (submodel == nullptr)
continue;
if (submodel->fSquareMinDist > 0.f)
m_lodlist.emplace_back(submodel->fSquareMinDist);
if (submodel->fSquareMaxDist < std::numeric_limits<float>::max())
m_lodlist.emplace_back(submodel->fSquareMaxDist);
m_pending.push_back(submodel->Child);
m_pending.push_back(submodel->Next);
}
std::sort(m_lodlist.begin() + lodfirst, m_lodlist.end());
m_lodlist.erase(std::unique(m_lodlist.begin() + lodfirst, m_lodlist.end()), m_lodlist.end());
auto const lodcount{static_cast<std::uint32_t>(m_lodlist.size()) - lodfirst};
auto const &lodbounds{Key.pModel->lod_bounds()};
m_lodlist.insert(m_lodlist.end(), lodbounds.begin(), lodbounds.end());
auto const lodcount{static_cast<std::uint32_t>(lodbounds.size())};
group_data const group{static_cast<std::uint32_t>(m_grouplist.size()), m_entries, lodcount + 1, distancemin, distancemax};
m_grouplist.push_back({lodfirst, lodcount, m_entries, 0});
@@ -534,7 +519,7 @@ std::string opengl46_instance_cull::info(std::string const &Label, bool const Oc
// what the pass tested and sent to the gpu
sleepers += "\n" + Label + ": " + std::to_string(m_lastcounts.candidates) + " instances tested in " + std::to_string(m_lastcounts.jobs) + " buckets";
if (Global.gfx_gpucull_bucketrange)
sleepers += ", " + std::to_string(m_lastcounts.skippedbuckets) + " buckets (" + std::to_string(m_lastcounts.skippedinstances) + " instances) left out beyond their range";
sleepers += ", " + std::to_string(m_lastcounts.skippedbuckets) + " buckets (" + std::to_string(m_lastcounts.skippedinstances) + " instances) left out before the culling";
sleepers += ", " + std::to_string(m_lastcounts.sentrecords) + " records sent" + (m_lastcounts.restarted ? ", record buffer started over" : "");
if (Global.gfx_gpucull == 1)
{