Help allows image files to be used as textures in the DX window
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about FileTexture (EX9.Texture)

Preloading Textures
Preloading a texture means making & keeping it available in the memory of your graphics card, indifferent of its current visibility. This prevents the render output from stuttering when a lot of new textures are loaded (because they are already in memory and don't need to be loaded). Instead, all of the textures are loaded at startup.

To preload textures, point the FileTexture (EX9.Texture) to the files you need preloaded. Chain the FileTexture (EX9.Texture) into a Quad (DX9), the quad into a Group (EX9), and the group into your Renderer (EX9) (or any other group that leads there). If you have previously opened a Renderer (TTY), you will see your texture being loaded. You can disable the Group (EX9) so the quad is invisible; the textures will still be loaded.

Whenever the patch containing this construction starts, the textures are loaded right at the beginning - it will take a bit longer to start, but no longer stutter during runtime (provided that all of the critical textures are preloaded).

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Important Note
As mentioned in the Rendering FAQ]: A filetexture can only be shared between nodes if they not only have the same filename, but also the same options (including width, height, textureformat,...).

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Cube Textures
Volume Textures
when you want to load a cubetexture and you are wondering why it doesn't work:
you have to set the Type-pin to CubeTexture.
this pin is "invisible" by default; means it is only visible in the Inspektor.
it's default value is Texture, not CubeTexture or VolumeTexture