EngineCore::ClusterLodData Struct Reference

Per-cluster LOD data for GPU-driven LOD selection. Each cluster maps to exactly one meshlet and contains hierarchical LOD information. More...

#include <RenderData.h>

Public Attributes
glm::vec4	boundsPositionAndRadius
	xyz = local center, w = radius
float	error
	Simplification error (mesh-local units)
int32_t	refinedGroupId
	Parent group index (-1 for base/finest geometry)
uint32_t	meshletIndex
	Index into UnifiedMeshlet buffer.
uint32_t	_padding

Detailed Description

Per-cluster LOD data for GPU-driven LOD selection. Each cluster maps to exactly one meshlet and contains hierarchical LOD information.

Layout matches GLSL std430 ClusterLodData struct (32 bytes).

Date

2026-01-26

Author

Konstantin Passig

Definition at line 460 of file RenderData.h.

Member Data Documentation

_padding

uint32_t EngineCore::ClusterLodData::_padding

Definition at line 466 of file RenderData.h.

boundsPositionAndRadius

glm::vec4 EngineCore::ClusterLodData::boundsPositionAndRadius

xyz = local center, w = radius

Definition at line 462 of file RenderData.h.

Referenced by EngineCore::ClusterLodGenerator::generate().

error

float EngineCore::ClusterLodData::error

Simplification error (mesh-local units)

Definition at line 463 of file RenderData.h.

Referenced by EngineCore::ClusterLodGenerator::generate().

meshletIndex

uint32_t EngineCore::ClusterLodData::meshletIndex

Index into UnifiedMeshlet buffer.

Definition at line 465 of file RenderData.h.

Referenced by EngineCore::ClusterLodGenerator::generate(), and EngineCore::RenderingDataManager::updatePrimitiveDataInstanced().

refinedGroupId

int32_t EngineCore::ClusterLodData::refinedGroupId

Parent group index (-1 for base/finest geometry)

Definition at line 464 of file RenderData.h.

Referenced by EngineCore::ClusterLodGenerator::generate().

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The documentation for this struct was generated from the following file:

• /home/magerbeton/Documents/gl3-vulkan/Engine/include/Engine/Renderer/RenderData.h