source: GTP/branches/IllumWPdeliver2008dec/IlluminationWP/demos/OgreGames/CarGame/Media/materials/scripts/GameTools_ToneMap.compositor @ 3255

compositor GameTools/ToneMap
{
    technique
    {
        texture scene target_width target_height PF_FLOAT16_RGBA
                texture luminance 256 256 PF_FLOAT16_RGBA                       
        texture rt0 256 256 PF_FLOAT16_RGBA        
        texture rt1 256 256 PF_FLOAT16_RGBA
        
        target scene
        {
            // Render output from previous compositor (or original scene)
            input previous
        }
        target luminance
        {
            input none
           
            pass render_quad
            {
                 material GameTools/Luminance
                input 0 scene
            }
        }
        target rt0
        {
            input none
            
            pass render_quad
            {
                material GameTools/GlowBlurV
                input 0 luminance
           }
        } 
        target rt1
        {
            input none
            pass render_quad
            {
               material GameTools/GlowBlurH
                input 0 rt0                         
            }
                } 
                
        target_output
        {
            input none
          pass render_quad
            {
               material GameTools/ToneMap
                input 0 scene
                input 1 rt1
                                input 2 luminance                               
            }
        }
    }
}