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24 lines
479 B
GLSL
24 lines
479 B
GLSL
#ifndef LIB_VIEW_DEPTH
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#define LIB_VIEW_DEPTH
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float linearizeDepth(float depth, float near, float far)
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{
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#if @reverseZ
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depth = 1.0 - depth;
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#endif
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float z_n = 2.0 * depth - 1.0;
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depth = 2.0 * near * far / (far + near - z_n * (far - near));
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return depth;
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}
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float getLinearDepth(in float z, in float viewZ)
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{
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#if @reverseZ
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// FIXME: Fixme, figure out how to calculate correct linear depth for reverse z
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return -viewZ;
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#else
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return z;
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#endif
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}
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#endif
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