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https://github.com/italicsjenga/slang-shaders.git
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24 lines
868 B
C
24 lines
868 B
C
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#ifndef CHANNEL_MIX
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#define CHANNEL_MIX
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#pragma parameter ia_rr "Red Channel" 1.0 0.0 2.0 0.01
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#pragma parameter ia_gg "Green Channel" 1.0 0.0 2.0 0.01
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#pragma parameter ia_bb "Blue Channel" 1.0 0.0 2.0 0.01
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#pragma parameter ia_rg "Red-Green Tint" 0.0 0.0 1.0 0.005
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#pragma parameter ia_rb "Red-Blue Tint" 0.0 0.0 1.0 0.005
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#pragma parameter ia_gr "Green-Red Tint" 0.0 0.0 1.0 0.005
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#pragma parameter ia_gb "Green-Blue Tint" 0.0 0.0 1.0 0.005
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#pragma parameter ia_br "Blue-Red Tint" 0.0 0.0 1.0 0.005
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#pragma parameter ia_bg "Blue-Green Tint" 0.0 0.0 1.0 0.005
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mat3 mangler = mat3( ia_rr, ia_rg, ia_rb, //red channel
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ia_gr, ia_gg, ia_gb, //green channel
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ia_br, ia_bg, ia_bb); //blue channel
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vec3 channel_mix(vec3 in_col){
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vec3 out_col = in_col * mangler;
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return out_col;
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}
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#endif
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