Unreal Engine Issues

UE-92616

Materials using Texture 2D Arrays fail to compile

Materials using Texture 2D Arrays fail to compile

Description

REGRESSION: Does not occur in 4.24

Materials using Texture 2D Arrays have the following errors:

[SM5] /Engine/Generated/Material.ush(2225,107-114):  error X3004: undeclared identifier 'Material'
[SM5] /Engine/Generated/Material.ush(2225:107): error: use of undeclared identifier 'Material'
	        float4  Local1 = ProcessMaterialLinearColorTextureLookup(Texture2DArraySample(Material_Texture2DArray_0, Material.Texture2DArray_0Sampler, float3 (Parameters.TexCoords[0].xy,0.00000000)));
	                                                                                                                 ^
[SM5] D3DCompileToDxil failed
Steps to Reproduce
  1. Download and extract the attached project.
  2. Open the project in editor.
  3. Open TestMat.

RESULT

Material has compile errors

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Fixed
ComponentUE - Graphics Features
Affects Versions4.25
Target Fix4.25.1
Fix Commit13184685
Main Commit14151001
Release Commit13184685
CreatedApr 29, 2020
ResolvedMay 5, 2020
UpdatedAug 26, 2020
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