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add saturation parameter to crt-guest

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This commit is contained in:
hunterk 2019-05-07 08:15:01 -05:00
parent 667d13cf33
commit 257a5bb0fd
1 changed files with 6 additions and 2 deletions
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8
crt/shaders/guest/d65-d50.glsl
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@ -1,6 +1,7 @@
// Parameter lines go here:
#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
#if defined(VERTEX)
@ -70,7 +71,6 @@ uniform COMPAT_PRECISION vec2 TextureSize;
uniform COMPAT_PRECISION vec2 InputSize;
uniform sampler2D Texture;
COMPAT_VARYING vec4 TEX0;
// in variables go here as COMPAT_VARYING whatever
// compatibility #defines
#define Source Texture
@ -81,9 +81,10 @@ COMPAT_VARYING vec4 TEX0;
#ifdef PARAMETER_UNIFORM
// All parameter floats need to have COMPAT_PRECISION in front of them
uniform COMPAT_PRECISION float WP;
uniform COMPAT_PRECISION float WP, wp_saturation;
#else
#define WP 0.0
#define wp_saturation 1.0
#endif
const mat3 D65_to_XYZ = mat3 (
@ -110,6 +111,9 @@ 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));