source: data/media/materials/scripts/Examples.compositor @ 5595

//compositor DOF // based on Blur but final pass does depth of field
//{
//    technique
//    {
//        // Temporary textures
//        texture rt0 target_width target_height PF_A8R8G8B8
//        texture rt1 target_width target_height PF_A8R8G8B8
//
//        target rt1
//        {
//            // Render output from previous compositor (or original scene)
//            input previous
//        }
//
//        target rt0
//        {
//            // Start with clear texture
//            input none
//            // Vertical blur pass
//            pass render_quad
//            {
//                // Renders a fullscreen quad with a material
//                material Ogre/Compositor/DOF_Blur0
//                input 0 rt1
//            }
//        }
//
//        target rt1
//        {
//            // Start with clear texture
//            input none
//            // Horizontal blur pass
//            pass render_quad
//            {
//                // Renders a fullscreen quad with a material
//                material Ogre/Compositor/DOF_Blur1
//                input 0 rt0
//            }
//        }
//
//        target_output
//        {
//            // Start with clear output
//            input none
//            // Draw a fullscreen quad
//            pass render_quad
//            {
//                // Renders a fullscreen quad with a material
//                material Ogre/Compositor/DOF_Blend
//                input 0 rt0
//                input 1 rt1
//            }
//        }
//    }
//}

// HDR
compositor HDR
{
        // floating point only for now
        technique
        {
        // Temporary textures
                // Fullsize HDR render target, used as tone mapping source
                texture rt_full target_width target_height PF_FLOAT16_RGB
                // Targets used for luminance evaluation (3x3 downsample, point filtering)
                texture rt_lum0 1 1 PF_FLOAT16_RGB
                texture rt_lum1 4 4 PF_FLOAT16_RGB
                texture rt_lum2 16 16 PF_FLOAT16_RGB
                texture rt_lum3 64 64 PF_FLOAT16_RGB
                texture rt_lum4 128 128 PF_FLOAT16_RGB
                // Bright-pass filtered target (tone mapped)
                texture rt_brightpass 128 128 PF_R8G8B8
                // Bloom filter targets
                texture rt_bloom0 128 128 PF_R8G8B8
                texture rt_bloom1 128 128 PF_R8G8B8


                target rt_full
                {
                        // No input, render differently
                        input none

                        // Use float target HDR material scheme (unclamped shaders)
                        material_scheme HDR

                        pass clear
                        {
                        }

                        pass render_scene
                        {
                        }

                }

                // Downsample the original HDR scene to extract luminence value
                target rt_lum4
                {
            input none
            pass render_quad
            {
                // Downsample using a 2x2 filter and convert to greyscale
                material Ogre/Compositor/HDR/Downsample2x2Luminence
                input 0 rt_full
                identifier 994
            }
                }
                target rt_lum3
                {
            input none
            pass render_quad
            {
                // Downsample using a 3x3 filter
                material Ogre/Compositor/HDR/Downsample3x3
                input 0 rt_lum4
                identifier 993
            }
                }
                target rt_lum2
                {
            input none
            pass render_quad
            {
                // Downsample using a 3x3 filter
                material Ogre/Compositor/HDR/Downsample3x3
                input 0 rt_lum3
                identifier 992
            }
                }
                target rt_lum1
                {
            input none
            pass render_quad
            {
                // Downsample using a 3x3 filter
                material Ogre/Compositor/HDR/Downsample3x3
                input 0 rt_lum2
                identifier 991
            }
                }
                target rt_lum0
                {
            input none
            pass render_quad
            {
                // Downsample using a 3x3 filter
                material Ogre/Compositor/HDR/Downsample3x3
                input 0 rt_lum1
                identifier 990
            }
                }


                target rt_brightpass
                {
                        input none
                        pass render_quad
                        {
                                // Downsample using a 3x3 filter, hi-pass and tone map
                                material Ogre/Compositor/HDR/Downsample3x3Brightpass
                                input 0 rt_full
                                input 1 rt_lum0
                                identifier 800
                        }
                }

                target rt_bloom1
                {
                        input none
                        pass render_quad
                        {
                                // Blur horizontally
                                material Ogre/Compositor/HDR/GaussianBloom
                                input 0 rt_brightpass
                                identifier 701
                        }
                }
                target rt_bloom0
                {
                        input none
                        pass render_quad
                        {
                                // Blur horizontally
                                material Ogre/Compositor/HDR/GaussianBloom
                                input 0 rt_bloom1
                                identifier 700
                        }
                }


                // Final output combines tone mapping of the original scene, with an
                // exposure setting passed in as a GPU parameter, and an additive bloom
                // effect
                target_output
                {
                        input none
                        pass render_quad
                        {
                                material Ogre/Compositor/HDR/ToneMapping
                                input 0 rt_full
                                input 1 rt_bloom0
                                input 2 rt_lum0
                        }
                }
        }
}