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hdr: scRGB, HLG and SDR -> HDR fixes (#11499)

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UjinT34 2025-08-22 13:13:55 +03:00 • committed by GitHub
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commit 4e8875b5e9
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8 changed files with 67 additions and 38 deletions
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src/protocols/types/ColorManagement.hpp
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@ -203,6 +203,8 @@ namespace NColorManagement {
float getTFMaxLuminance(int sdrMaxLuminance = -1) const {
switch (transferFunction) {
case CM_TRANSFER_FUNCTION_EXT_LINEAR:
return SDR_MAX_LUMINANCE; // assume Windows scRGB. white color range 1.0 - 125.0 maps to SDR_MAX_LUMINANCE (80) - HDR_MAX_LUMINANCE (10000)
case CM_TRANSFER_FUNCTION_ST2084_PQ: return HDR_MAX_LUMINANCE;
case CM_TRANSFER_FUNCTION_HLG: return HLG_MAX_LUMINANCE;
case CM_TRANSFER_FUNCTION_GAMMA22: