Class RayTracingResources

Utility shaders needed by a RayTracingContext to operate.

Inheritance
object
RayTracingResources
Inherited Members
Namespace: UnityEngine.Rendering.UnifiedRayTracing
Assembly: Unity.UnifiedRayTracing.Runtime.dll
Syntax
public class RayTracingResources
Remarks

This class holds compute shaders required for unified ray tracing operations, including geometry pool management and BVH construction kernels.

Properties

bitHistogram

Compute shader for radix sort operations.

Declaration
public ComputeShader bitHistogram { get; set; }
Property Value
Type Description
ComputeShader

blockReducePart

Compute shader for prefix sum operations.

Declaration
public ComputeShader blockReducePart { get; set; }
Property Value
Type Description
ComputeShader

blockScan

Compute shader for prefix sum operations.

Declaration
public ComputeShader blockScan { get; set; }
Property Value
Type Description
ComputeShader

buildHlbvh

Compute shader for building a BVH.

Declaration
public ComputeShader buildHlbvh { get; set; }
Property Value
Type Description
ComputeShader

copyBuffer

Compute shader for buffer copy operations.

Declaration
public ComputeShader copyBuffer { get; set; }
Property Value
Type Description
ComputeShader

copyPositions

Compute shader for copying vertex position data.

Declaration
public ComputeShader copyPositions { get; set; }
Property Value
Type Description
ComputeShader

geometryPoolKernels

Compute shader for geometry pool operations.

Declaration
public ComputeShader geometryPoolKernels { get; set; }
Property Value
Type Description
ComputeShader

restructureBvh

Compute shader for BVH restructuring.

Declaration
public ComputeShader restructureBvh { get; set; }
Property Value
Type Description
ComputeShader
Remarks

Used to optimize the BVH structure after initial construction.

scatter

Compute shader for radix sort operations.

Declaration
public ComputeShader scatter { get; set; }
Property Value
Type Description
ComputeShader

Methods

Load()

Intializes the RayTracingResources.

Declaration
public void Load()
Remarks

This API works only in the Unity Editor, not at runtime.

LoadFromAssetBundle(AssetBundle)

Intializes the RayTracingResources by loading its utility shaders from an AssetBundle.

Declaration
public void LoadFromAssetBundle(AssetBundle assetBundle)
Parameters
Type Name Description
AssetBundle assetBundle

The AssetBundle to load the shaders from.
Remarks

The necessary shaders are configured to belong to the unifiedraytracing AssetBundle which can be built by calling BuildAssetBundles(string, BuildAssetBundleOptions, BuildTarget)

LoadFromRenderPipelineResources()

Intializes the RayTracingResources by loading its utility shaders via GraphicsSettings.

Declaration
public bool LoadFromRenderPipelineResources()
Returns
Type Description
bool

Whether the resources were successfully loaded.
Remarks

This method only works in projects that use Scriptable Render Pipeline.

Extension Methods