Error while applying normalMap to an imported glb file

Questions
,
1

Hi,
I am getting following error in console while applying normalMap to an imported glb file.
[.WebGL-0000023684C83210] GL_INVALID_VALUE: Vertex attribute size must be 1, 2, 3, or 4.
anybody having idea about this?

2

Does this error only appear when applying the normal map? Can you please share the glTF asset?

1 Like
3

Hi @Mugen87. The glb file having some child meshes. I solved the issue by change the grouping of those child meshes. But I am facing same issue in someother file too. It couldn’t be solved even I changed the grouping a lot. the file size is too large. I will share a link or compressed file

4

Problem resolved. Just flip the normals of the object :smiley:

1 Like
5

To be more precise: Applying an external texture to a glTF asset requires to set Texture.flipY to false. This is also explained in the documentation: