source: GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPPostProc/GTPGlow.compositor @ 2024

compositor GTP/PostProc/Glow
{
    technique
    {
        texture scene target_width target_height PF_FLOAT16_RGBA
        texture cut 256 256 PF_FLOAT16_RGBA                     
        texture rt0 256 256 PF_FLOAT16_RGBA        
        texture rt1 256 256 PF_FLOAT16_RGBA
        texture prev 256 256 PF_FLOAT16_RGBA
   
        target prev
        {
          input none
          only_initial on
          pass render_quad
          {
           material GTP/PostProc/Black                          
          }
        }               
        target scene
        {
            // Render output from previous compositor (or original scene)
            input previous
        }               
        target cut
        {
            input none                  
            pass render_quad
            {
               material GTP/PostProc/GlowCut
               input 0 scene
               input 1 prev
            }
        }
        target rt0
        {
            input none          
            pass render_quad
            {
                material GTP/PostProc/GlowBlurV
                input 0 cut
            }
        } 
        target rt1
        {
            input none         
            pass render_quad
            {
               material GTP/PostProc/GlowBlurH
               input 0 rt0
            }
        }
        target prev        
        {
           input none               
           pass render_quad
           {
                material GTP/PostProc/Copy
                input 0 rt1                             
           }
       }      
       target_output
       {
         input none          
         pass render_quad
         {
               material GTP/PostProc/Add
               input 0 scene
               input 1 rt1
         }
       }
    }
}