19 lines
434 B
Plaintext
19 lines
434 B
Plaintext
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in vec4 v_position;
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out vec4 outColor;
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void main() {
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#if VSMCUBE
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float depth = length( vec3(v_position) ) / 20;
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#else
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float depth = v_position.z / v_position.w;
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depth = depth * 0.5 + 0.5;
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#endif
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float moment1 = depth;
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float moment2 = depth * depth;
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float dx = dFdx(depth);
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float dy = dFdy(depth);
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moment2 += 0.25*(dx*dx+dy*dy);
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outColor = vec4( moment1, moment2, 0.0, 0.0);
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}
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