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Reuse some allocations in ClientMap rendering

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This commit is contained in:
sfan5
2025-04-15 21:42:39 +02:00
committed by GitHub
parent a9c197b1e5
commit 37d2bc8a5f
1 changed files with 13 additions and 4 deletions
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17
src/client/clientmap.cpp
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@@ -120,6 +120,11 @@ namespace {
inline T subtract_or_zero(T a, T b) {
return b >= a ? T(0) : (a - b);
}
// file-scope thread-local instances of the above two data structures, because
// allocating memory in a hot path can be expensive.
thread_local MeshBufListMaps tl_meshbuflistmaps;
thread_local DrawDescriptorList tl_drawdescriptorlist;
}
void CachedMeshBuffer::drop()
@@ -978,8 +983,10 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
*/
TimeTaker tt_collect("");
MeshBufListMaps grouped_buffers;
DrawDescriptorList draw_order;
MeshBufListMaps &grouped_buffers = tl_meshbuflistmaps;
DrawDescriptorList &draw_order = tl_drawdescriptorlist;
grouped_buffers.clear();
draw_order.clear();
auto is_frustum_culled = m_client->getCamera()->getFrustumCuller();
@@ -1375,8 +1382,10 @@ void ClientMap::renderMapShadows(video::IVideoDriver *driver,
return intToFloat(mesh_grid.getMeshPos(pos) * MAP_BLOCKSIZE - m_camera_offset, BS);
};
MeshBufListMaps grouped_buffers;
DrawDescriptorList draw_order;
MeshBufListMaps &grouped_buffers = tl_meshbuflistmaps;
DrawDescriptorList &draw_order = tl_drawdescriptorlist;
grouped_buffers.clear();
draw_order.clear();
std::size_t count = 0;
std::size_t meshes_per_frame = m_drawlist_shadow.size() / total_frames + 1;