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Pekka Paalanen authored
This changes the ext_linear default primary color volume minimum back to 0.2 cd/m². This is consistent with the sRGB reference display characteristics, like with all other transfer functions except st2084_pq and hlg. The purpose is that whether content uses srgb, gamma22 or ext_linear transfer function, it occupies the same (sRGB SDR) dynamic range by default. For rendering intents that employ black-point compensation, including the perceptual rendering intent, this changes nothing. The set_luminances request can be used to set more appropriate values as necessary. Suggested-by: @swick Removed the wording about implied luminances, because it applies to almost all TFs, not just this one. Signed-off-by:
Pekka Paalanen <pekka.paalanen@collabora.com>
8ac0dc61Pekka Paalanen authoredThis changes the ext_linear default primary color volume minimum back to 0.2 cd/m². This is consistent with the sRGB reference display characteristics, like with all other transfer functions except st2084_pq and hlg. The purpose is that whether content uses srgb, gamma22 or ext_linear transfer function, it occupies the same (sRGB SDR) dynamic range by default. For rendering intents that employ black-point compensation, including the perceptual rendering intent, this changes nothing. The set_luminances request can be used to set more appropriate values as necessary. Suggested-by: @swick Removed the wording about implied luminances, because it applies to almost all TFs, not just this one. Signed-off-by:
Pekka Paalanen <pekka.paalanen@collabora.com>
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