35 lines
572 B
Python
35 lines
572 B
Python
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$input v_k
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/*
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* Copyright 2013 Dario Manesku. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#include "../common/common.sh"
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uniform vec4 u_svparams;
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#define u_dfail u_svparams.y
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vec4 stencilColor(float _k)
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{
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return vec4(float(abs(_k - 1.0) < 0.0001)/255.0
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, float(abs(_k + 1.0) < 0.0001)/255.0
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, float(abs(_k - 2.0) < 0.0001)/255.0
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, float(abs(_k + 2.0) < 0.0001)/255.0
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);
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}
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void main()
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{
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float k = v_k;
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if (!gl_FrontFacing)
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k = -k;
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if (u_dfail == 0.0)
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k = -k;
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gl_FragColor = stencilColor(k);
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}
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