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Votes

0

Found in

2021.3.12f1

2022.1.21f1

2022.2.0b13

2023.1.0a17

Issue ID

UUM-25114

Regression

Yes

Wrong grass shader when creating TerrainData at runtime in a build

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Reproduction steps:
1. Open the attached project “Test Dynamic Grass.zip“
2. Open the “/Assets/Scenes/SampleScene.unity” Scene
3. Build And Run on an Android device

Expected result: The grass is displayed correctly
Actual result: The grass appears as the green rectangles

Reproducible with: 2021.2.0a20, 2021.3.12f1, 2022.1.21f1, 2022.2.0b13, 2023.1.0a17
Not reproducible with: 2020.3.41f1, 2021.1.28f1
Could not test with: 2021.2.0a1 - 2021.2.0a19 (com.unity.test-framework@2.0.1-pre.18\UnityEditor.TestRunner\TestRun\Tasks\Player\SetupBuildPlayerOptionsTask.cs(26,26): error CS1061: 'BuildPlayerOptions' does not contain a definition for 'subtarget' and no accessible extension method 'subtarget' accepting a first argument of type 'BuildPlayerOptions' could be found (are you missing a using directive or an assembly reference?))

Reproducible with devices:
PC Standalone build on Windows 10 Enterprise 21H2
VLNQA00318, Oneplus OnePlus 7 Pro (GM1913), Android 11, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00231, Huawei HUAWEI Mate 20 Pro (LYA-L29), Android 9, CPU: HiSilicon Kirin 980, GPU: Mali-G76
VLNQA00332, Samsung Galaxy XCover4 (SM-G390F), Android 9, CPU: Exynos 7 Quad 7570, GPU: Mali-T720
VLNQA00325, Samsung Galaxy Note10 (SM-N970F), Android 12, CPU: NOT FOUND, GPU: Mali-G76
VLNQA00231, Samsung Galaxy A5(2017) (SM-A520F), Android 8.0.0, CPU: Exynos 7 Octa 7880, GPU: Mali-T830

Reproduced on: Windows 10 Enterprise 21H2

Notes:

* When creating TerrainData and grass at runtime in the Editor (Built-in Render Pipeline), Hidden/TerrainEngine/Details/WavingDoublePass shader is used and the grass is displayed correctly
* In the Player on PC and Android, Legacy Shaders/Diffuse shader is used, and the grass is displayed incorrectly
* If TerrainData is not dynamic, the grass is displayed correctly
* Adding WavingDoublePass shader to “Always Included Shaders” didn't help, although it is present and can be found using Shader.Find()

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