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Fixed in 5.3.5

Votes

0

Found in

5.3.2p2

Issue ID

786889

Regression

No

[WSA] Changing terrain texture at runtime getting visual artifacts

Windows Store Apps

-

When changing terrain texture on runtime, texture data seems to get corrupted, rendered with wrong colors or sometimes not appearing at all. Some analysis on this issue has been done and it seems that after the texture switch constant buffer is corrupted somehow - it contains very big values (something like 1e8 as before switch values were under 10). Those values are finally used in shader when doing texture sampling and pixels are invalid.

Reproducible on 5.3.4f1, 5.3.4p3, 5.4.0b14 versions.

Repro GIF:
https://gyazo.com/e85e2f388421b903e1fd64e4ccc0da2e

Repro steps:
1. Open project "TerrainTextureTest.zip
2. Open the test scene and play it. Press buttons visible on screen to swap existing textures or to generate textures from scratch.
3. Build to WSA 8.1 or WSA Universal 10 platform with .NET backend (with IL2CPP backend there is no visual issue).
4. Build and run generated project on PC or tablet.

On WP10 phones issue ir not reproducible. Also, issue is not reproducible when using IL2CPP backend for WSA Universal 10 platform.

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