source: data/trunk/materials/glow.compositor

compositor Glow
{
        technique
        {
                texture rt_output target_width target_height PF_A8R8G8B8
                texture glowMap target_width_scaled 0.25 target_height_scaled 0.25 PF_A8R8G8B8
                texture blurX target_width_scaled 0.25 target_height_scaled 0.25 PF_A8R8G8B8
                texture blurXY target_width_scaled 0.25 target_height_scaled 0.25 PF_A8R8G8B8

                //Fetch scene contents.
                target rt_output
                {
                        input previous
                }

                //Get scene rendered with 'Glow' scheme
                target glowMap
                {
                        input none
                        material_scheme glow
                        pass clear
                        {
                        }
                        pass render_scene
                        {
                        }
                }

                //Blur it along X.
                target blurX
                {
                        input none
                        pass render_quad
                        {
                                material GlowCompositorMat/GlowX
                                input 0 glowMap
                        }
                }

                //Blur it along Y.
                target blurXY
                {
                        input none
                        pass render_quad
                        {
                                material GlowCompositorMat/GlowY
                                input 0 blurX
                        }
                }

                //add to original, and output.
                target_output
                {
                        input none
                        pass render_quad
                        {
                                material GlowCompositorMat/GlowBlend
                                input 0 rt_output
                                input 1 blurXY
                        }
                }
        }
}