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Code Issues 154 Wiki Activity

Cull the scenery models drawn on their own on the GPU with the instances

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This commit is contained in:
Hirek
2026-10-19 10:54:04 +02:00
parent ffe77be754
commit b1f880b5a7
10 changed files with 185 additions and 15 deletions
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27
rendering/opengl46/opengl46instancecull.cpp
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@@ -82,6 +82,7 @@ void opengl46_instance_cull::begin_pass(pass_setup const &Setup)
m_entries = 0;
m_sleepertracks = 0;
m_sleepers = 0;
m_models = 0;
}
void opengl46_instance_cull::add_bucket(scene::basic_cell::instance_bucket_key const &Key, scene::basic_cell::instance_bucket const &Bucket, scene::bounding_area const &Area)
@@ -196,6 +197,10 @@ void opengl46_instance_cull::add(scene::basic_cell::instance_bucket_key const &K
++m_sleepertracks;
m_sleepers += job.count;
}
else if (Key.instance != nullptr)
{
++m_models;
}
}
void opengl46_instance_cull::place(scene::basic_cell::instance_bucket const &Bucket)
@@ -421,6 +426,22 @@ void opengl46_instance_cull::cpu_result(scene::basic_cell::instance_bucket_key c
m_cpucounts[group.entryfirst + band] += Bandcounts[band];
}
void opengl46_instance_cull::cpu_instance(scene::basic_cell::instance_bucket_key const &Key, float const Distancesquared)
{
if (!m_dispatched)
return;
auto const lookup{m_groupmap.find(Key)};
if (lookup == m_groupmap.end())
return;
auto const &group{lookup->second};
auto const &lods{m_grouplist[group.index]};
// the band the culling gives the distance: the number of bounds it reached
auto const first{m_lodlist.begin() + lods.lodfirst};
auto const band{static_cast<std::uint32_t>(std::upper_bound(first, first + lods.lodcount, Distancesquared) - first)};
if (band < group.entrycount)
++m_cpucounts[group.entryfirst + band];
}
void opengl46_instance_cull::end_pass()
{
// the counts of both phases, for the panel and the comparison
@@ -439,6 +460,7 @@ void opengl46_instance_cull::end_pass()
}
m_lastsleepertracks = m_sleepertracks;
m_lastsleepers = m_sleepers;
m_lastmodels = m_models;
m_inpass = false;
m_dispatched = false;
}
@@ -490,7 +512,10 @@ std::string opengl46_instance_cull::info(std::string const &Label, bool const Oc
if (Global.gfx_gpucull == 0)
return {};
// the sleepers are among the instances counted
auto const sleepers{m_lastsleepertracks > 0 ? "\n" + Label + ": " + std::to_string(m_lastsleepers) + " sleepers of " + std::to_string(m_lastsleepertracks) + " tracks queued" : std::string{}};
auto sleepers{m_lastsleepertracks > 0 ? "\n" + Label + ": " + std::to_string(m_lastsleepers) + " sleepers of " + std::to_string(m_lastsleepertracks) + " tracks queued" : std::string{}};
// and so are the models drawn on their own
if (m_lastmodels > 0)
sleepers += "\n" + Label + ": " + std::to_string(m_lastmodels) + " models drawn on their own queued";
if (Global.gfx_gpucull == 1)
{
if (m_last.frame == 0)