RogueLegacy1/RogueCastle/Shaders/SceneBlend.fx

float2 halfPixel;
sampler2D Scene: register(s0){
    AddressU = Mirror;
    AddressV = Mirror;
};
texture OrgScene;
sampler2D orgScene = sampler_state
{
    Texture = <OrgScene>;
    AddressU = CLAMP;
    AddressV = CLAMP;
};
float4 BlendPS(float2 texCoord : TEXCOORD0 ) : COLOR0
{
    texCoord -= halfPixel;
    float4 col = tex2D(orgScene,texCoord) * tex2D(Scene,texCoord);
    return col;
}
float4 AditivePS(float2 texCoord : TEXCOORD0 ) : COLOR0
{
    texCoord -= halfPixel;
    float4 col = tex2D(orgScene,texCoord) + tex2D(Scene,texCoord);
    return col;
}
technique Blend
{
    pass p0
    {
        PixelShader = compile ps_2_0 BlendPS();
    }
}
technique Aditive
{
    pass p0
    {
        PixelShader = compile ps_2_0 AditivePS();
    }
}