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wl_surface: handle alpha modes

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This commit is contained in:
Julian Orth 2026-02-21 14:24:38 +01:00
parent 37674a229c
commit 69ca5d92e7
10 changed files with 82 additions and 25 deletions
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8
src/backends/metal/present.rs
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@ -9,8 +9,8 @@ use {
},
cmm::cmm_description::ColorDescription,
gfx_api::{
AcquireSync, BufferResv, GfxApiOpt, GfxRenderPass, GfxTexture, ReleaseSync, SyncFile,
create_render_pass,
AcquireSync, AlphaMode, BufferResv, GfxApiOpt, GfxRenderPass, GfxTexture, ReleaseSync,
SyncFile, create_render_pass,
},
ifs::wl_output::BlendSpace,
rect::Region,
@ -668,6 +668,10 @@ impl MetalConnector {
}
return None;
};
if ct.alpha_mode != AlphaMode::PremultipliedElectrical {
// Direct scanout requires premultiplied electrical alpha.
return None;
}
if !ct.cd.embeds_into(cd) {
// Direct scanout requires embeddable color descriptions.
return None;