//this creates automatically the second camera and the mesh
imageOnCam = createShadingFrameBuffer()  // imageOnCam = { mesh = plane with the texture of the primary camera ,  camera = a camera pointing to mesh}
setShader( imageOnCam.mesh , "shaderfile.frag" , "shaderfile.vert" )

but maybe the auxiliary cam will be influenced by the lights of the environment

With a plugin you can do it directly with code, there is a direct access to the engine so it can do anything.

I'll try to do something more simple in-editor for the next release if I have time.

1 - Create the glsl .frag/.vert files
2 - Apply the shader to a mesh in blender
3 - Render a camera to a texture, so the mesh applies the shader to the texture ( which in reality is the scene of the camera )
4 - Use a second camera to see the shader effect

It's a bit complicated...
And if I write a plugin can I hook the shaders directly to the camera output?

1. Can I apply shaders without using the textures system directly on the cam?
2. How does maratis manage shaders? I didn't find any "shader" option , does it pass which shader on the mesh file?

It doesn't look like complicated, I'll give it a try on my spare time

but some years ago , i used a little 3d program like maratis to make some model testing suite...
it already has bloom and depth of field, maybe its source could be usefull...

It has a good graphics, but some feature was missing for a complete editor ( the scene editor and the scene tree system )...

here it is...
https://github.com/centralnoise/BlendEL … master/elf

video
http://www.youtube.com/watch?v=qg7_N2-H4Wg

I hope maratis can get this capability...

"Render to texture" example here : http://www.maratis3d.org/?page_id=53

Does maratis support post processing effects?

PS It would be nice to add some effects like bloom or depth of field