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20 lines
609 B
C
20 lines
609 B
C
#ifndef GAMMA
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#define GAMMA
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#pragma parameter ia_monitor_gamma "Physical Monitor Gamma" 2.2 0.1 5.0 0.05
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#pragma parameter ia_target_gamma_r "Simulated Gamma R Channel" 2.2 0.1 5.0 0.05
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#pragma parameter ia_target_gamma_g "Simulated Gamma G Channel" 2.2 0.1 5.0 0.05
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#pragma parameter ia_target_gamma_b "Simulated Gamma B Channel" 2.2 0.1 5.0 0.05
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vec3 gamma_in(vec3 in_col){
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vec3 out_col = pow(in_col, vec3(ia_target_gamma_r, ia_target_gamma_g, ia_target_gamma_b));
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return out_col;
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}
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vec3 gamma_out(vec3 in_col){
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vec3 out_col= pow(in_col, 1./vec3(ia_monitor_gamma));
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return out_col;
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}
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#endif
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