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add saturation parameter to crt-guest

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hunterk 2019-05-07 08:16:43 -05:00
parent 96c592851a
commit 932fe31f55
1 changed files with 6 additions and 0 deletions
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6
crt/shaders/guest/d65-d50.slang
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@ -7,11 +7,14 @@ layout(push_constant) uniform Push
vec4 OutputSize;
uint FrameCount;
float WP;
float wp_saturation;
} params;
#pragma parameter WP "Color Temperature %" 0.0 -100.0 100.0 5.0
#pragma parameter wp_saturation "Saturation Adjustment" 1.0 0.0 2.0 0.05
#define WP params.WP
#define wp_saturation params.wp_saturation
#define COMPAT_TEXTURE(c,d) texture(c,d)
#define TEX0 vTexCoord
@ -60,6 +63,9 @@ const mat3 XYZ_to_D50 = mat3 (
void main()
{
vec3 color = COMPAT_TEXTURE(Source, TEX0.xy).rgb;
color = normalize(pow(color + 1e-4, vec3(wp_saturation)))*length(color);
float p = 2.4;
color = pow(color, vec3(p));