Post-processing: Added options to graphics config dialog.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3391 8ced0084-cf51-0410-be5f-012b33b47a6e

Data/User/Shaders/acidtrip.txt

@@ -0,0 +1,6 @@
+uniform samplerRECT samp0 : register(s0);
+
+void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
+{
+  ocol0 = (texRECT(samp0, uv0+1).rgba - texRECT(samp0, uv0-1).rgba)*8;
+}