openmw/files/data/shaders/displaydepth.omwfx

uniform_float uFactor {
    step = 0.1;
    min = 0.01;
    max = 20.0;
    default = 1.0;
    display_name = "#{BuiltInShaders:DisplayDepthFactorName}";
    description = "#{BuiltInShaders:DisplayDepthFactorDescription}";
}

fragment main {

    omw_In vec2 omw_TexCoord;

    void main()
    {
        float depth = omw_GetDepth(omw_TexCoord);
        float zNear = omw.near;
        float zFar = omw.far;
        omw_FragColor = vec4(vec3((2.0 * zNear) / (zFar + zNear - depth * (zFar - zNear))) * uFactor, 1.0);
    }
}

technique {
    passes = main;
    description = "#{BuiltInShaders:DisplayDepthDescription}";
    author = "OpenMW";
    version = "1.0";
}