14 lines
247 B
GLSL
14 lines
247 B
GLSL
uniform sampler2D tex;
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uniform float zn;
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uniform float zf;
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out float Depth;
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void main()
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{
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vec2 uv = gl_FragCoord.xy / screen;
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float d = texture(tex, uv).x;
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float c0 = zn * zf, c1 = zn - zf, c2 = zf;
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Depth = c0 / (d * c1 + c2);
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}
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