openmw-tes3mp/files/gbuffer/gbuffer.compositor

// Compositor that just controls output to the MRT textures
compositor gbuffer
{
    technique
    {
        // MRT output. Currently this is a color texture plus a depth texture
        texture mrt_output target_width target_height PF_FLOAT16_RGBA PF_FLOAT16_RGBA chain_scope depth_pool 2

        target mrt_output
        {
            input none
            pass clear
            {
                clear
                {
                    // make sure to set this to the viewport background color from outside
                    colour_value 0 0 0 1
                }
            }
            pass render_scene
            {
                // Renders everything except water
                first_render_queue 0
                last_render_queue 70
            }

        }

        target_output
        {
            input none

            pass render_quad
            {
                material RenderScene
                input 0 mrt_output 0
            }
        }
    }
}

// Finalizer compositor to render objects that we don't want in the MRT textures (ex. water)
// NB the water has to be rendered in a seperate compositor anyway, because it
// accesses the MRT textures which can't be done while they are still being rendered to.
compositor gbufferFinalizer
{
    technique
    {
        texture no_mrt_output target_width target_height PF_R8G8B8A8 depth_pool 2 no_fsaa
        texture previousscene target_width target_height PF_R8G8B8A8

        target previousscene
        {
            input previous
        }
        target no_mrt_output
        {
            input none
            shadows off
            pass clear
            {
                clear
                {
                    buffers colour
                    colour_value 0 0 0 0
                }
            }
            pass render_quad
            {
                material RenderSceneNoDepth
                input 0 previousscene
            }
            pass render_scene
            {
                first_render_queue 71
                last_render_queue 100
            }
        }
        target_output
        {
            input none
            pass clear
            {
                clear
                {
                }
            }
            pass render_quad
            {
                material RenderSceneNoDepth
                input 0 no_mrt_output
            }
        }
    }
}