Script - FXAA ported

A pair of missing instructions: clear and main-output

demo.srd

@@ -20,6 +20,10 @@
 	(call dof-init)
 	(call bloom-init)
 	(call combine-init)
+	(call fxaa-init)
+
+	(viewport 0 0 $width $height)
+	(clear 0 0 0 0)
 )
 
 (frame
@@ -28,6 +32,7 @@
 		(call dof-render tx-scene-output tx-scene-depth)
 		(call bloom-render tx-scene-output)
 		(call combine-render tx-dof-pass2 tx-bloom1)
+		(call fxaa-render tx-combined)
 	)
 )
 
@@ -394,10 +399,43 @@
 			(get-input cg-gamma-r)
 			(get-input cg-gamma-g)
 			(get-input cg-gamma-b))
+		(viewport 0 0 $vp-width $vp-height)
 		(fullscreen)
 	)
 )
 
 
+################################################################################
+# FXAA
+
+(fn fxaa-init ()
+	(program prg-fxaa "fxaa.f.glsl")
+	(pipeline pl-fxaa prg-fullscreen prg-fxaa)
+	(uniforms-i prg-fxaa 0 0)
+	(uniforms-i prg-fxaa 1 $vp-width $vp-height)
+
+	(sampler smp-fxaa
+		(sampling linear)
+		(wrapping clamp-border))
+
+	(input fxaa-subpixel .5)
+	(input fxaa-et .166)
+	(input fxaa-et-min .0833)
+)
+
+(fn fxaa-render (in-image)
+	(profiling "FXAA"
+		(main-output)
+		(use-pipeline pl-fxaa)
+		(use-texture 0 in-image smp-fxaa)
+		(uniforms prg-fxaa 2
+			(get-input fxaa-subpixel)
+			(get-input fxaa-et)
+			(get-input fxaa-et-min))
+		(viewport $vp-x $vp-y $vp-width $vp-height)
+		(fullscreen)
+	)
+)
+
 
 # vim: syntax=demo-srd