source: GTP/trunk/App/Demos/Illum/Ogre/Media/materials/scripts/GameTools_ToneMap.compositor @ 1683

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
        texture rt2 128 128 PF_FLOAT16_RGBA
        texture rt3 32 32 PF_FLOAT16_RGBA
        texture rt4 8  8  PF_FLOAT16_RGBA
        texture rt5 2  2  PF_FLOAT16_RGBA
        
        target 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 rt2
        {
            input none
            pass render_quad
            {
               material GameTools/GlowBlurV
                input 0 rt1                         
            }
                } 
                
                target rt3
        {
            input none
            pass render_quad
            {
               material GameTools/GlowBlurH
                input 0 rt2                         
            }
                } 
                
                target rt4
        {
            input none
            pass render_quad
            {
               material GameTools/GlowBlurV
                input 0 rt3                         
            }
                } 
                
                target rt5
                {
                        input none
                        only_initial on
                        pass clear
                        {
                                                        
                        }
                }
                
                target rt5
        {
            input none            
            
            pass render_quad
            {
                   clear
                   {
                    buffers depth
                   }

               material GameTools/GlowBlurHTB
                input 0 rt4                         
            }
                } 
                
        target_output
        {
            input none
          pass render_quad
            {
               material GameTools/ToneMap
                input 0 scene
                input 1 rt1
                                input 2 luminance
                                input 3 rt5                     
            }
        }
    }
}