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[spv-out] deduplicate sampler types

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Dzmitry Malyshau
2021-04-25 00:58:36 -04:00
parent 7ec90512a8
commit 28cba79452
1 changed files with 4 additions and 2 deletions
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6
src/back/spv/writer.rs
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@@ -131,6 +131,7 @@ enum LocalType {
SampledImage {
image_type_id: Word,
},
Sampler,
}
impl PhysicalLayout {
@@ -181,6 +182,7 @@ impl PhysicalLayout {
arrayed,
class,
},
crate::TypeInner::Sampler { comparison: _ } => LocalType::Sampler,
_ => return None,
})
}
@@ -777,8 +779,8 @@ impl Writer {
)?;
Instruction::type_pointer(id, class, type_id)
}
// all the image types go through `write_type_declaration_arena`
LocalType::Image { .. } => unreachable!(),
// all the samplers and image types go through `write_type_declaration_arena`
LocalType::Image { .. } | LocalType::Sampler => unreachable!(),
LocalType::SampledImage { image_type_id } => {
Instruction::type_sampled_image(id, image_type_id)
}