Error "cannot map expression to ps_4_0 instruction set" in Shader Graph preview when using the GATHER_RED_TEXTURE2D macro in custom hlsl function

Unity: ShaderGraph

Fixed

6.2.X

6.1.X

Won't Fix

6.0.X

2022.3.X

2021.3.X

We'll aim to resolve this for 6.1.

Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Scenes/SampleScene.unity” Scene
3. Open the “/Assets/SG_SurfaceEffect_Blood.shadergraph“ in Shader Graph
4. Press CTRL + S
5. Observe the Console

Expected result: No Errors exist
Actual result: Error “cannot map expression to ps_4_0 instruction set“ is present

Reproducible with: 2021.3.45f1, 2022.3.53f1, 6000.0.28f1, 6000.1.0a5

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Notes:

Reproducible with DX12 and DX11
Reproducible with #ifdef SHADERGRAPH_PREVIEW

Error "cannot map expression to ps_4_0 instruction set" in Shader Graph preview when using the GATHER_RED_TEXTURE2D macro in custom hlsl function

Unity: ShaderGraph

Fixed

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

Error "cannot map expression to ps_4_0 instruction set" in Shader Graph preview when using the GATHER_RED_TEXTURE2D macro in custom hlsl function

Unity: ShaderGraph

Statuses

Fixed

Won't Fix

Resolution Notes

6.0.XWon't FixWe'll aim to resolve this for 6.1.

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?