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color-management: implement set_tf_power

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This commit is contained in:
Julian Orth 2025-09-08 18:37:07 +02:00
parent a2d726e508
commit c37567f1cd
8 changed files with 121 additions and 28 deletions
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42
src/gfx_apis/vulkan/renderer.rs
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@ -3,6 +3,7 @@ use {
async_engine::{AsyncEngine, SpawnedFuture},
cmm::{
cmm_description::{ColorDescription, LinearColorDescription, LinearColorDescriptionId},
cmm_eotf::{Eotf, EotfPow},
cmm_transform::ColorMatrix,
},
cpu_worker::PendingJob,
@ -2327,21 +2328,48 @@ impl ColorTransforms {
#[derive(Default)]
struct EotfArgsCache {
map: AHashMap<(), EotfArg>,
map: AHashMap<(EotfPow, bool), EotfArg>,
}
struct EotfArg {
_offset: DeviceSize,
offset: DeviceSize,
}
impl EotfArgsCache {
fn get_offset(
&mut self,
_desc: &ColorDescription,
_inv: bool,
_uniform_buffer_offset_mask: DeviceSize,
_writer: &mut GenericBufferWriter,
desc: &ColorDescription,
inv: bool,
uniform_buffer_offset_mask: DeviceSize,
writer: &mut GenericBufferWriter,
) -> Option<DeviceSize> {
None
let Eotf::Pow(pow) = desc.eotf else {
return None;
};
let ct = match self.map.entry((pow, inv)) {
Entry::Occupied(o) => o.into_mut(),
Entry::Vacant(e) => {
if inv {
let data = InvEotfArgs {
arg1: pow.inv_eotf_f32(),
arg2: 0.0,
arg3: 0.0,
arg4: 0.0,
};
let offset = writer.write(uniform_buffer_offset_mask, &data);
e.insert(EotfArg { offset })
} else {
let data = EotfArgs {
arg1: pow.eotf_f32(),
arg2: 0.0,
arg3: 0.0,
arg4: 0.0,
};
let offset = writer.write(uniform_buffer_offset_mask, &data);
e.insert(EotfArg { offset })
}
}
};
Some(ct.offset)
}
}