57 lines
1.7 KiB
HLSL
57 lines
1.7 KiB
HLSL
#ifndef SPINE_COMMON_INCLUDED
|
|
#define SPINE_COMMON_INCLUDED
|
|
|
|
#if defined(USE_LWRP)
|
|
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
|
|
#define GammaToLinearSpace SRGBToLinear
|
|
#define LinearToGammaSpace LinearToSRGB
|
|
#elif defined(USE_URP)
|
|
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
|
|
#define GammaToLinearSpace SRGBToLinear
|
|
#define LinearToGammaSpace LinearToSRGB
|
|
#else
|
|
#include "UnityCG.cginc"
|
|
#endif
|
|
|
|
inline half3 GammaToTargetSpace(half3 gammaColor) {
|
|
#if UNITY_COLORSPACE_GAMMA
|
|
return gammaColor;
|
|
#else
|
|
return GammaToLinearSpace(gammaColor);
|
|
#endif
|
|
}
|
|
|
|
inline half3 TargetToGammaSpace(half3 targetColor) {
|
|
#if UNITY_COLORSPACE_GAMMA
|
|
return targetColor;
|
|
#else
|
|
return LinearToGammaSpace(targetColor);
|
|
#endif
|
|
}
|
|
|
|
inline half4 PMAGammaToTargetSpace(half4 gammaPMAColor) {
|
|
#if UNITY_COLORSPACE_GAMMA
|
|
return gammaPMAColor;
|
|
#else
|
|
return gammaPMAColor.a == 0 ?
|
|
half4(GammaToLinearSpace(gammaPMAColor.rgb), gammaPMAColor.a) :
|
|
half4(GammaToLinearSpace(gammaPMAColor.rgb / gammaPMAColor.a) * gammaPMAColor.a, gammaPMAColor.a);
|
|
#endif
|
|
}
|
|
|
|
// Saturated version to prevent numerical issues that occur at CanvasRenderer
|
|
// shader during linear-space PMA vertex color correction (countering automatic Unity conversion).
|
|
// Note: Only use this method when the original color.rgb values lie within [0,1] range and
|
|
// it's not an HDR color. This method is usually suitable for vertex color.
|
|
inline half4 PMAGammaToTargetSpaceSaturated(half4 gammaPMAColor) {
|
|
#if UNITY_COLORSPACE_GAMMA
|
|
return gammaPMAColor;
|
|
#else
|
|
return gammaPMAColor.a == 0 ?
|
|
half4(GammaToLinearSpace(gammaPMAColor.rgb), gammaPMAColor.a) :
|
|
half4(saturate(GammaToLinearSpace(gammaPMAColor.rgb / gammaPMAColor.a)) * gammaPMAColor.a, gammaPMAColor.a);
|
|
#endif
|
|
}
|
|
|
|
#endif
|