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Merge pull request #43 from kvark/entry

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Nicer Entry implementation
This commit is contained in:
Maik Klein 2018-01-31 19:48:49 +01:00 committed by GitHub
parent 6165375ccc c81039a0c9
commit a9dd6df8fe
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 22 deletions
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39
ash/src/entry.rs
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@ -93,10 +93,10 @@ pub trait EntryV1_0 {
return Err(InstanceError::VkError(err_code));
}
let instance_fp =
<<Self as EntryV1_0>::Fp as FunctionPointers>::InstanceFp::load(
<Self::Fp as FunctionPointers>::InstanceFp::load(
&self.static_fn(),
instance,
).map_err(|err| InstanceError::LoadError(err))?;
).map_err(InstanceError::LoadError)?;
Ok(Instance::from_raw(instance, instance_fp))
}
@ -159,28 +159,23 @@ impl EntryV1_0 for Entry<V1_0> {
}
impl<V: FunctionPointers> Entry<V> {
pub fn new() -> Result<Entry<V>, LoadingError> {
let static_fn = match *VK_LIB {
Ok(ref lib) => {
let static_fn =
vk::StaticFn::load(|name| unsafe {
let name = name.to_str().unwrap();
let f = match lib.symbol(name) {
Ok(s) => s,
Err(_) => ptr::null(),
};
f
}).map_err(|err| LoadingError::StaticLoadError(err))?;
Ok(static_fn)
}
Err(ref err) => Err(LoadingError::LibraryLoadError(err.clone())),
}?;
pub fn new() -> Result<Self, LoadingError> {
let lib = VK_LIB
.as_ref()
.map_err(|err| LoadingError::LibraryLoadError(err.clone()))?;
let static_fn = vk::StaticFn::load(|name| unsafe {
lib.symbol(name.to_str().unwrap())
.unwrap_or(ptr::null_mut())
}).map_err(LoadingError::StaticLoadError)?;
let entry_fn = unsafe {
V::EntryFp::load(&static_fn).map_err(|err| LoadingError::EntryLoadError(err))?
};
V::EntryFp::load(&static_fn)
}.map_err(LoadingError::EntryLoadError)?;
Ok(Entry {
static_fn: static_fn,
entry_fn: entry_fn,
static_fn,
entry_fn,
})
}
}