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Code Issues 157 Wiki Activity

perf(instancing): instances of scene cells culled by copies of their bounds kept with the buckets, before the instances themselves are fetched; instances past the range of the lod stages of their model left out; identity of the instance buffer restored once per bucket instead of after each batch

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Hirek
2026-10-07 16:29:15 +02:00
parent bc99b80191
commit 398fdac6a1
4 changed files with 128 additions and 21 deletions
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8
rendering/opengl33renderer.h
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@@ -284,6 +284,11 @@ class opengl33_renderer : public gfx_renderer {
// instanced_drawcall in draw_stats and contributes Instances.size() to the
// instances counter. Instances are still individually frustum/distance culled.
void Render_Instanced( TModel3d *Model, std::vector<TAnimModel *> const &Instances );
// adds the bucketed instances of a scene cell to the frame-level buckets drawn by Render_Instanced(),
// less the ones the copies of their bounds show to be out of sight in the current render pass
void Queue_Instances( scene::basic_cell const *Cell );
// makes the copies of the bounds of the instances held by a bucket of a scene cell
void Update_Instance_Bounds( TModel3d const *Model, scene::basic_cell::instance_bucket const &Bucket );
bool Render(TDynamicObject *Dynamic);
bool Render(TModel3d *Model, material_data const *Material, float const Squaredistance, glm::dvec3 const &Position, glm::vec3 const &Angle);
bool Render(TModel3d *Model, material_data const *Material, float const Squaredistance);
@@ -383,6 +388,9 @@ class opengl33_renderer : public gfx_renderer {
// of once per cell -- collapsing many tiny instanced draws into a few large
// batches. Reused every pass; the vectors are emptied (not freed) at the top of Render(scene::basic_region*).
scene::basic_cell::instance_bucket_map m_frame_instance_buckets;
// copies of instance bounds kept by the buckets of scene cells are good as long as they carry this number.
// it changes with each frame drawn with the scenery editor active, as the editor moves and resizes instances in place
unsigned int m_instanceboundsversion { 1 };
renderpass_config m_colorpass; // parametrs of most recent color pass
std::array<renderpass_config, 3> m_shadowpass; // parametrs of most recent shadowmap pass for each of csm stages
std::vector<TSubModel const *> m_pickcontrolsitems;