64 lines
1.7 KiB
Plaintext
64 lines
1.7 KiB
Plaintext
Shader "Hidden/Universal Render Pipeline/Editor/CurveBackground"
|
|
{
|
|
CGINCLUDE
|
|
|
|
#pragma target 3.0
|
|
#include "UnityCG.cginc"
|
|
|
|
float _DisabledState;
|
|
|
|
float3 HsvToRgb(float3 c)
|
|
{
|
|
float4 K = float4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
|
|
float3 p = abs(frac(c.xxx + K.xyz) * 6.0 - K.www);
|
|
return c.z * lerp(K.xxx, saturate(p - K.xxx), c.y);
|
|
}
|
|
|
|
float4 FragHue(v2f_img i) : SV_Target
|
|
{
|
|
float3 hsv = HsvToRgb(float3(i.uv.x, 1.0, 0.2));
|
|
float4 color = float4((0.0).xxx, 1.0);
|
|
color.rgb = lerp(color.rgb, hsv, smoothstep(0.5, 1.1, 1.0 - i.uv.y)) + lerp(color.rgb, hsv, smoothstep(0.5, 1.1, i.uv.y));
|
|
color.rgb += GammaToLinearSpace(0.15).xxx;
|
|
return float4(color.rgb, color.a * _DisabledState);
|
|
}
|
|
|
|
float4 FragSat(v2f_img i) : SV_Target
|
|
{
|
|
float4 color = float4((0.0).xxx, 1.0);
|
|
float sat = i.uv.x / 2;
|
|
color.rgb += lerp(color.rgb, (sat).xxx, smoothstep(0.5, 1.2, 1.0 - i.uv.y)) + lerp(color.rgb, (sat).xxx, smoothstep(0.5, 1.2, i.uv.y));
|
|
color.rgb += GammaToLinearSpace(0.15).xxx;
|
|
return float4(color.rgb, color.a * _DisabledState);
|
|
}
|
|
|
|
ENDCG
|
|
|
|
SubShader
|
|
{
|
|
Cull Off ZWrite Off ZTest Always
|
|
|
|
// (0) Hue
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment FragHue
|
|
|
|
ENDCG
|
|
}
|
|
|
|
// (1) Sat/lum
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment FragSat
|
|
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|