Sharpen.fx

// Author: peachykeen
// Title: Sharpen
// Pack: MGE Shader Library
// Desc:
// Sharpens the image slightly
// Patched for MGE XE by xackoff

texture lastpass;

sampler s0 = sampler_state { texture=<lastpass>; minfilter = linear; magfilter = linear; mipfilter = linear; addressu=clamp; addressv = clamp; };

vector rcpres;

float4 lSharp(in float2 Tex : TEXCOORD) : COLOR0
{
    float4 inColor = tex2D(s0, Tex);
    float4 blur = inColor;

    blur += tex2D(s0, float2(Tex.x, Tex.y+rcpres.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x, Tex.y-rcpres.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x+rcpres.x, Tex.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x-rcpres.x, Tex.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x-rcpres.x, Tex.y+rcpres.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x-rcpres.x, Tex.y-rcpres.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x+rcpres.x, Tex.y+rcpres.y)) * 0.25;
    blur += tex2D(s0, float2(Tex.x+rcpres.x, Tex.y-rcpres.y)) * 0.25;

    blur /= 3;

    float4 final = lerp(blur,inColor, 2); // Adjust sharpening strength here
    return final;
}

technique T0 < string MGEinterface="MGE XE 0"; >
{
    pass p0
    {
        PixelShader = compile ps_2_0 lSharp();
    }
}