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cmm: ignore backend luminance with the default EOTF

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This commit is contained in:
Julian Orth 2025-10-15 20:59:12 +02:00
parent 091918d10a
commit 4746361cb7
5 changed files with 25 additions and 20 deletions
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29
src/ifs/wl_output.rs
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@ -361,30 +361,19 @@ impl WlOutputGlobal {
}
pub fn update_color_description(&self) -> bool {
let mut luminance = Luminance::SRGB;
let tf = match self.btf.get() {
BackendEotfs::Default => {
if let Some(brightness) = self.persistent.brightness.get() {
let output_max = match self.luminance {
None => 80.0,
Some(v) => v.max,
};
luminance.white.0 = luminance.max.0 * brightness / output_max;
}
Eotf::Gamma22
}
BackendEotfs::Pq => {
luminance = Luminance::ST2084_PQ;
if let Some(brightness) = self.persistent.brightness.get() {
luminance.white.0 = brightness;
}
Eotf::St2084Pq
}
let (mut luminance, tf) = match self.btf.get() {
BackendEotfs::Default => (Luminance::SRGB, Eotf::Gamma22),
BackendEotfs::Pq => (Luminance::ST2084_PQ, Eotf::St2084Pq),
};
if let Some(brightness) = self.persistent.brightness.get() {
luminance.white.0 = brightness;
}
let mut target_luminance = luminance.to_target();
let mut max_cll = None;
let mut max_fall = None;
if let Some(l) = self.luminance {
if let Some(l) = self.luminance
&& self.btf.get() == BackendEotfs::Pq
{
target_luminance.min = F64(l.min);
target_luminance.max = F64(l.max);
max_cll = Some(F64(l.max));