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color_helpers: Refined sdr gamut generation on wide gamut displays

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Jeremy Selan 2023-04-04 14:10:15 -07:00 committed by Joshie
parent 4b4f85f4d1
commit 77095cb553
1 changed files with 1 additions and 13 deletions
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14
src/color_helpers.cpp
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@ -351,26 +351,14 @@ void buildSDRColorimetry( displaycolorimetry_t * pColorimetry, colormapping_t *p
if ( BIsWideGamut( nativeDisplayOutput) )
{
// 0.0: 709
// 0.75: Generic wide gamut display
// 1.0: Native
colormapping_t noRemap;
noRemap.blendEnableMinSat = 0.7f;
noRemap.blendEnableMaxSat = 1.0f;
noRemap.blendAmountMin = 0.0f;
noRemap.blendAmountMax = 0.0f;
*pMapping = noRemap;
if ( flSDRGamutWideness < 0.75 )
{
float t = cfit( flSDRGamutWideness, 0.f, 0.75f, 0.0f, 1.0f );
*pColorimetry = lerp( displaycolorimetry_709, displaycolorimetry_widegamutgeneric, t );
}
else
{
float t = cfit( flSDRGamutWideness, 0.75f, 1.f, 0.0f, 1.0f );
*pColorimetry = lerp( displaycolorimetry_widegamutgeneric, nativeDisplayOutput, t );
}
*pColorimetry = lerp( displaycolorimetry_709, nativeDisplayOutput, flSDRGamutWideness );
}
else
{