mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-11-29 10:51:30 +11:00
24 lines
868 B
C
24 lines
868 B
C
|
#ifndef CHANNEL_MIX
|
||
|
|
#define CHANNEL_MIX
|
||
|
|
|
||
|
|
#pragma parameter ia_rr "Red Channel" 1.0 0.0 2.0 0.01
|
||
|
|
#pragma parameter ia_gg "Green Channel" 1.0 0.0 2.0 0.01
|
||
|
|
#pragma parameter ia_bb "Blue Channel" 1.0 0.0 2.0 0.01
|
||
|
|
#pragma parameter ia_rg "Red-Green Tint" 0.0 0.0 1.0 0.005
|
||
|
|
#pragma parameter ia_rb "Red-Blue Tint" 0.0 0.0 1.0 0.005
|
||
|
|
#pragma parameter ia_gr "Green-Red Tint" 0.0 0.0 1.0 0.005
|
||
|
|
#pragma parameter ia_gb "Green-Blue Tint" 0.0 0.0 1.0 0.005
|
||
|
|
#pragma parameter ia_br "Blue-Red Tint" 0.0 0.0 1.0 0.005
|
||
|
|
#pragma parameter ia_bg "Blue-Green Tint" 0.0 0.0 1.0 0.005
|
||
|
|
|
||
|
|
mat3 mangler = mat3( ia_rr, ia_rg, ia_rb, //red channel
|
||
|
|
ia_gr, ia_gg, ia_gb, //green channel
|
||
|
|
ia_br, ia_bg, ia_bb); //blue channel
|
||
|
|
|
||
|
|
vec3 channel_mix(vec3 in_col){
|
||
|
|
vec3 out_col = in_col * mangler;
|
||
|
|
return out_col;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|