OSGText Issues
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we need to do some Real Work (TM) to support Canvas with osgText 3.6 and upwards, unfortunately.[1]
OSGText doesn't play nice with shaders.[2]
some developers have switched to canvas /because/ of the always white OSGText problem[3]
The OSGText issue is more that the world is moving forwards, and our text-animation element has not. (Shaders required, can’t rely on OpenGL 1.1 built-in lighting)[4]
It’s caused by OSG using a shader to render text now, but this bypasses the built-in emissive/diffuse/ambient material properties, which is what our <text> animation uses to set colours of text.
It should happen ‘everywhere’ that a shader is used to render text - Canvas doesn’t care about it since it sets the text color directly.[5]
The breaking change was introduced with OSG 3.6.5, and was also recently merged into OSG 3.7.[6]