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Fixed in 2018.2.X



Found in


Issue ID




Errors in Console window when painting a procedurally generated terrain



Steps to reproduce:
1. Open the attached project (
2. Open the Assets/TestScene.unity scene
3. Switch platform to WebGL
4. You should notice to the above two errors in the console when loading the scene:
GetPixels32 failed: insufficent pixel buffer size (4), must be at least 4 x 4
Failed to get pixels of splat texture
5. Begin painting any of the textures on the terrain in the scene
6. Note the two errors listed above in the console repeated multiple time

Expected result: Painting terrain without errors
Actual result: Console printing error messages

These error messages only appear when the platform is set to WebGL.

Reproduced with: 5.3.6p8, 5.4.3p4, 5.5.0f3, 5.5.0p2, 5.6.0b2

Comments (2)

  1. kswiat

    Sep 26, 2018 07:39

    To solve problem you must in each texture which you use in terrain check Read/Write enable and turn off compression.

  2. LangTao92

    Apr 24, 2018 09:38

    How to solve this problem?I have take this problem in Window platform project

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