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added downlevel restriction error message for InvalidFormatUsages error

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Seamus Mulholland-Patterson 2022-07-15 17:18:11 +08:00 committed by Connor Fitzgerald
parent 48325f1aaa
commit 6d4677fd7f
2 changed files with 13 additions and 2 deletions
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8
wgpu-core/src/device/mod.rs
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@ -800,9 +800,17 @@ impl<A: HalApi> Device<A> {
let missing_allowed_usages = desc.usage - format_features.allowed_usages;
if !missing_allowed_usages.is_empty() {
// detect downlevel incompatibilities
let wgpu_allowed_usages = desc
.format
.describe()
.guaranteed_format_features
.allowed_usages;
let wgpu_missing_usages = desc.usage - wgpu_allowed_usages;
return Err(CreateTextureError::InvalidFormatUsages(
missing_allowed_usages,
desc.format,
wgpu_missing_usages.is_empty(),
));
}

7
wgpu-core/src/resource.rs
View File

@ -423,8 +423,11 @@ pub enum CreateTextureError {
"Texture descriptor mip level count {requested} is invalid, maximum allowed is {maximum}"
)]
InvalidMipLevelCount { requested: u32, maximum: u32 },
#[error("Texture usages {0:?} are not allowed on a texture of type {1:?}")]
InvalidFormatUsages(wgt::TextureUsages, wgt::TextureFormat),
#[error(
"Texture usages {0:?} are not allowed on a texture of type {1:?}{}",
if *.2 { " due to downlevel restrictions" } else { "" }
)]
InvalidFormatUsages(wgt::TextureUsages, wgt::TextureFormat, bool),
#[error("Texture usages {0:?} are not allowed on a texture of dimensions {1:?}")]
InvalidDimensionUsages(wgt::TextureUsages, wgt::TextureDimension),
#[error("Texture usage STORAGE_BINDING is not allowed for multisampled textures")]