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refactor: Interface::check_stage: use concat!(…) for non-invariant @builtin(position) warning

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This commit is contained in:
Erich Gubler 2025-10-07 09:43:11 -04:00
parent bbedf6c226
commit 93692470ab
1 changed files with 12 additions and 4 deletions
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16
wgpu-core/src/validation.rs
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@ -1332,10 +1332,18 @@ impl Interface {
if let Varying::BuiltIn(naga::BuiltIn::Position { invariant: false }) = *output if let Varying::BuiltIn(naga::BuiltIn::Position { invariant: false }) = *output
{ {
log::warn!( log::warn!(
"Vertex shader with entry point {entry_point_name} outputs a @builtin(position) without the @invariant \ concat!(
attribute and is used in a pipeline with {cmp:?}. On some machines, this can cause bad artifacting as {cmp:?} assumes \ "Vertex shader with entry point {} outputs a ",
the values output from the vertex shader exactly match the value in the depth buffer. The @invariant attribute on the \ "@builtin(position) without the @invariant attribute and ",
@builtin(position) vertex output ensures that the exact same pixel depths are used every render." "is used in a pipeline with {cmp:?}. On some machines, ",
"this can cause bad artifacting as {cmp:?} assumes the ",
"values output from the vertex shader exactly match the ",
"value in the depth buffer. The @invariant attribute on the ",
"@builtin(position) vertex output ensures that the exact ",
"same pixel depths are used every render."
),
entry_point_name,
cmp = cmp
); );
} }
} }