Emulation/slang-shaders
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Update chromaticity.slang

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metallic77 2023-08-25 21:56:35 +03:00 committed by GitHub
parent fc1617cd29
commit 69417bb472
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1 changed files with 14 additions and 4 deletions
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18
misc/shaders/chromaticity.slang
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@ -25,12 +25,12 @@ layout(push_constant) uniform Push
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
float COLOR_MODE;
float COLOR_MODE, Dx;
} params;
#pragma parameter COLOR_MODE "SRGB,SMPTE C,REC709,BT2020,SMPTE240,NTSC1953,EBU" 0.0 0.0 6.0 1.0
#pragma parameter Dx "Color Temp: D50, D55, D65, D75" 2.0 -1.0 3.0 1.0
#define Dx params.Dx
#define COLOR_MODE params.COLOR_MODE
#define WHITE vec3(1.0, 1.0, 1.0)
@ -340,6 +340,16 @@ vec3 srgb_gamma(const vec3 x)
return vec3(srgb_gamma(x.r), srgb_gamma(x.g), srgb_gamma(x.b));
}
vec3 TEMP ()
{
if (Dx == 0.0) return vec3(0.964,1.0,0.8252);
else if (Dx == 1.0) return vec3(0.95682,1.0,0.92149);
else if (Dx == 2.0) return vec3(0.95047,1.0,1.0888);
else if (Dx == 3.0) return vec3(0.94972,1.0,1.22638);
else return vec3(1.0);
}
void main()
{
mat3 toRGB = colorspace_rgb();
@ -349,6 +359,6 @@ void main()
vec3 RGB = Yrgb_to_RGB(toRGB, W, Yrgb);
RGB = clamp(RGB, 0.0, 1.0);
RGB = srgb_gamma(RGB);
RGB = srgb_gamma(RGB)*TEMP();
FragColor = vec4(RGB, 1.0);
}