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Code Issues 150 Wiki Activity

Editor orthophoto: own geometry bank per scene tile, per-frame vertex budget

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Hirek
2026-10-10 18:24:26 +02:00
parent dab227d16d
commit 21445507cc
1 changed files with 12 additions and 7 deletions
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19
editor/editorOrthophoto.cpp
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@@ -571,7 +571,9 @@ constexpr int ground_grid{32}; // ground samples per tile side (8 m) fo
constexpr double steepest_ground{0.3}; // minimal normal.y of ground triangles receiving the imagery
constexpr float no_height{-std::numeric_limits<float>::max()};
gfx::geometrybank_handle scene_bank{0, 0}; // created on first use, shared by every tile
// a bank of its own for every geometry chunk: adding a chunk to a bank makes the renderer upload the whole bank again,
// and the tiles fitted onto a heightmap terrain carry its full grid (hundreds of thousands of vertices each)
std::vector<std::uint32_t> scene_banks;
std::string slot_name(int Index)
{
@@ -672,7 +674,7 @@ std::string editor_orthophoto::cache_directory()
bool editor_orthophoto::owns(gfx::geometry_handle const &Geometry)
{
return scene_bank.bank != 0 && Geometry.bank == scene_bank.bank;
return Geometry.bank != 0 && std::find(scene_banks.begin(), scene_banks.end(), Geometry.bank) != scene_banks.end();
}
void editor_orthophoto::enabled(bool State)
@@ -1139,9 +1141,9 @@ void editor_orthophoto::build_shape(tile_key const &Key, tile &Tile)
}
else
{
if (scene_bank.bank == 0)
scene_bank = GfxRenderer->Create_Bank();
Tile.geometry = GfxRenderer->Insert(gpuvertices, userdata, scene_bank, GL_TRIANGLES);
auto const bank = GfxRenderer->Create_Bank();
scene_banks.push_back(bank.bank);
Tile.geometry = GfxRenderer->Insert(gpuvertices, userdata, bank, GL_TRIANGLES);
Tile.capacity = capacity;
if (Tile.geometry.chunk == 0)
{
@@ -1194,7 +1196,9 @@ void editor_orthophoto::update_scene()
if (simulation::Region == nullptr)
return;
int built{0};
// vertices handed to the renderer per frame; at least one tile goes in every frame however large it is
std::size_t constexpr vertex_budget_scene{256u * 1024u};
std::size_t built{0};
for (auto &entry : m_tiles)
{
tile &t = entry.second;
@@ -1205,7 +1209,8 @@ void editor_orthophoto::update_scene()
if (m_config.drape && !t.grounded && m_ground)
continue; // wait for the ground fit; a shape already in place stays until then
build_shape(entry.first, t);
if (++built >= 8)
built += std::max<std::size_t>(t.capacity, 1);
if (built >= vertex_budget_scene)
break; // the rest next frame
}
}