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Fix desaturation filter not isolating wand star.

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elasota
2021-05-04 18:26:23 -04:00
parent 5187ef5dc6
commit 65d4784618
6 changed files with 210 additions and 173 deletions
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6
ShaderSrc/Functions.h
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@@ -3,7 +3,7 @@ float SRGBToLinear(float v)
if (v <= 0.04045)
return v * (1.0 / 12.92);
else
return pow(((v + 0.055) * (1.0 / 1.055)), 2.4);
return pow(((max(v, 0.0) + 0.055) * (1.0 / 1.055)), 2.4);
}
float2 SRGBToLinear(float2 v)
@@ -47,8 +47,8 @@ float4 ApplyFlicker(int2 coordinate, int startThreshold, int endThreshold, float
float4 ApplyDesaturation(float desaturation, float4 color)
{
// This is intentionally done in gamma space
if (desaturation == 0.0)
// This is intentionally done in gamma space, and keeps solid yellow
if (desaturation == 0.0 || all(color.rgb == float3(1.0, 1.0, 0.0)))
return color;
float grayLevel = dot(color.rgb, float3(3.0, 6.0, 1.0) / 10.0);