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Fixed DCI-P3 transform error - we now have a correct DCI-P3 space

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MajorPainTheCactus 2022-09-19 20:47:52 +01:00
parent 8572fd6c60
commit 2f87c8f10d
1 changed files with 6 additions and 1 deletions
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7
hdr/shaders/include/gamma_correct.h
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@ -30,9 +30,14 @@ vec3 LinearTo709(const vec3 colour)
return vec3(LinearTo709_1(colour.r), LinearTo709_1(colour.g), LinearTo709_1(colour.b)); return vec3(LinearTo709_1(colour.r), LinearTo709_1(colour.g), LinearTo709_1(colour.b));
} }
float LinearToDCIP3_1(const float channel)
{
return pow(channel, 1.0f / (HCRT_GAMMA_OUT + 0.2f)); // Gamma: 2.4 + 0.2 = 2.6
}
vec3 LinearToDCIP3(const vec3 colour) vec3 LinearToDCIP3(const vec3 colour)
{ {
return clamp(pow(colour, vec3(1.0f / (HCRT_GAMMA_OUT + 0.2f))), 0.0f, 1.0f); // Gamma: 2.4 + 0.2 = 2.6 return vec3(LinearToDCIP3_1(colour.r), LinearToDCIP3_1(colour.g), LinearToDCIP3_1(colour.b));
} }
void GammaCorrect(const vec3 scanline_colour, inout vec3 gamma_out) void GammaCorrect(const vec3 scanline_colour, inout vec3 gamma_out)