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8271c366e4
The BT.1886 recommendation is impossible to implement precisely if min_lum includes other sources than the display emission. BT.1886 transfer function requires L_W and L_B to determine the function parameters black level lift and gain. The black level lift changes the non-linearity, and cannot be implemented as an optical addition. I believe the inclusion of optical additives, particularly the ambient flare, came from sRGB specification. I do not recall seeing it anywhere else. Drop the optical additives from the definitions of the luminances. It was probably incorrect for everything but sRGB, if they even had it specified at all. This allows implementing BT.1886 as specified. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com> |
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| .. | ||
| alpha-modifier | ||
| color-management | ||
| color-representation | ||
| commit-timing | ||
| content-type | ||
| cursor-shape | ||
| drm-lease | ||
| ext-background-effect | ||
| ext-data-control | ||
| ext-foreign-toplevel-list | ||
| ext-idle-notify | ||
| ext-image-capture-source | ||
| ext-image-copy-capture | ||
| ext-session-lock | ||
| ext-transient-seat | ||
| ext-workspace | ||
| fifo | ||
| fractional-scale | ||
| linux-drm-syncobj | ||
| pointer-warp | ||
| security-context | ||
| single-pixel-buffer | ||
| tearing-control | ||
| xdg-activation | ||
| xdg-dialog | ||
| xdg-system-bell | ||
| xdg-toplevel-drag | ||
| xdg-toplevel-icon | ||
| xdg-toplevel-tag | ||
| xwayland-shell | ||