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[HDRP][DOCS][DXR] Update ray/path tracing docs regarding custom interpolator limitations #6126

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Oct 26, 2021
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[HDRP][DOCS][DXR] Update ray/path tracing docs regarding custom interpolator limitations #6126

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1 change: 1 addition & 0 deletions ....render-pipelines.high-definition/Documentation~/Ray-Tracing-Getting-Started.md
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Expand Up @@ -268,6 +268,7 @@ When building your custom shaders using shader graph, some nodes are incompatibl
- DDX, DDY and DDXY nodes.
- All the nodes under Inputs > Geometry (Position, View Direction, Normal, etc.) in View Space mode.
- Checkerboard node.
Furthermore, Shader Graphs that use [Custom Interpolators](../../com.unity.shadergraph/Documentation~/Custom-Interpolators.md) are not supported in ray tracing.

### Unsupported features of path tracing

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1 change: 1 addition & 0 deletions ...ity.render-pipelines.high-definition/Documentation~/Ray-Tracing-Path-Tracing.md
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Expand Up @@ -109,6 +109,7 @@ HDRP path tracing in Unity 2020.2 has the following limitations:
- If a Mesh in your scene has a Material assigned that does not have the `HDRenderPipeline` tag, the mesh will not appear in your scene. For more information, see [Ray tracing and Meshes](Ray-Tracing-Getting-Started.md#RayTracingMeshes).
- Does not support 3D Text and TextMeshPro.
- Does not support Shader Graph nodes that use derivatives (for example, a normal map that derives from a texture).
- Does not support Shader Graphs that use [Custom Interpolators](../../com.unity.shadergraph/Documentation~/Custom-Interpolators.md).
- Does not support decals.
- Does not support tessellation.
- Does not support Tube and Disc-shaped Area Lights.
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