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bloomshader = [
    shader 0 (concatword $arg1 "_scale") [ @fsvs @setup4corners END ] [
        @fsps
        @sample4corners
        TEMP t;
        ADD t, s02, s00;
        ADD t, t, s22;
        ADD t, t, s20;
        ADD t, t, sample;
        MUL result.color, t, 0.2; 
        END
    ]

    shader 0 (concatword $arg1 "_init") [ @fsvs END ] [
        @fsps
        TEMP t;
        MAX t, sample.r, sample.g;
        MAX t, t, sample.b;
        MUL t, t, t;
        MUL result.color, t, sample;
        END
    ]

    shader 0 $arg1 [
        @fsvs
        TEMP tc;
        MOV tc, vertex.texcoord[0];
        @(loopconcat i (- $arg2 1) [concat "MUL tc, tc, 0.5; MOV result.texcoord[" (+ $i 1) "], tc;"])
        END
    ] [
        @fsps
        TEMP scaled, bloom;
        @(loopconcat i (- $arg2 1) [
            format [
                TEX @(if (> $i 0) [result "scaled"] [result "bloom"]), fragment.texcoord[%1], texture[%1], RECT;
                @(if (> $i 0) [result [
                    ADD bloom, bloom, scaled;
                ]])
            ] (+ $i 1)
        ])
        MAD result.color, bloom, program.env[0].x, sample;
        END
    ]
]

bloomshader bloom1 1
bloomshader bloom2 2
bloomshader bloom3 3
bloomshader bloom4 4
bloomshader bloom5 5
bloomshader bloom6 6
bloomshader bloom 7


shader 0 "nightvision"     [ @fsvs END ] [
           
		   @fsps
              TEMP t;
                DP3 t, sample, 4;
                ADD t, t, .2;
             MUL result.color, t, { 0, 1, 0};
                END]