diff options
Diffstat (limited to 'src/instance/extensions.rs')
| -rw-r--r-- | src/instance/extensions.rs | 153 |
1 files changed, 20 insertions, 133 deletions
diff --git a/src/instance/extensions.rs b/src/instance/extensions.rs index dab0b12..3aac844 100644 --- a/src/instance/extensions.rs +++ b/src/instance/extensions.rs @@ -7,138 +7,10 @@ // notice may not be copied, modified, or distributed except // according to those terms. -use crate::check_errors; -pub use crate::extensions::{ - ExtensionRestriction, ExtensionRestrictionError, SupportedExtensionsError, -}; -use crate::instance::loader; -use crate::instance::loader::LoadingError; -use std::ffi::CStr; -use std::ptr; +pub use crate::extensions::{ExtensionRestriction, ExtensionRestrictionError}; -macro_rules! instance_extensions { - ( - $($member:ident => { - doc: $doc:expr, - raw: $raw:expr, - requires_core: $requires_core:expr, - requires_instance_extensions: [$($requires_instance_extension:ident),*]$(,)? - },)* - ) => ( - extensions! { - InstanceExtensions, - $($member => { - doc: $doc, - raw: $raw, - requires_core: $requires_core, - requires_device_extensions: [], - requires_instance_extensions: [$($requires_instance_extension),*], - },)* - } - - impl InstanceExtensions { - /// Checks enabled extensions against the instance version and each other. - pub(super) fn check_requirements( - &self, - supported: &InstanceExtensions, - api_version: crate::Version, - ) -> Result<(), crate::extensions::ExtensionRestrictionError> { - $( - if self.$member { - if !supported.$member { - return Err(crate::extensions::ExtensionRestrictionError { - extension: stringify!($member), - restriction: crate::extensions::ExtensionRestriction::NotSupported, - }); - } - - if api_version < $requires_core { - return Err(crate::extensions::ExtensionRestrictionError { - extension: stringify!($member), - restriction: crate::extensions::ExtensionRestriction::RequiresCore($requires_core), - }); - } else { - $( - if !self.$requires_instance_extension { - return Err(crate::extensions::ExtensionRestrictionError { - extension: stringify!($member), - restriction: crate::extensions::ExtensionRestriction::RequiresInstanceExtension(stringify!($requires_instance_extension)), - }); - } - )* - } - } - )* - Ok(()) - } - } - ); -} - -pub use crate::autogen::InstanceExtensions; -pub(crate) use instance_extensions; - -impl InstanceExtensions { - /// See the docs of supported_by_core(). - pub fn supported_by_core_raw() -> Result<Self, SupportedExtensionsError> { - InstanceExtensions::supported_by_core_raw_with_loader(loader::auto_loader()?) - } - - /// Returns an `InstanceExtensions` object with extensions supported by the core driver. - pub fn supported_by_core() -> Result<Self, LoadingError> { - match InstanceExtensions::supported_by_core_raw() { - Ok(l) => Ok(l), - Err(SupportedExtensionsError::LoadingError(e)) => Err(e), - Err(SupportedExtensionsError::OomError(e)) => panic!("{:?}", e), - } - } - - /// Same as `supported_by_core`, but allows specifying a loader. - pub fn supported_by_core_with_loader<L>( - ptrs: &loader::FunctionPointers<L>, - ) -> Result<Self, LoadingError> - where - L: loader::Loader, - { - match InstanceExtensions::supported_by_core_raw_with_loader(ptrs) { - Ok(l) => Ok(l), - Err(SupportedExtensionsError::LoadingError(e)) => Err(e), - Err(SupportedExtensionsError::OomError(e)) => panic!("{:?}", e), - } - } - - /// See the docs of supported_by_core(). - pub fn supported_by_core_raw_with_loader<L>( - ptrs: &loader::FunctionPointers<L>, - ) -> Result<Self, SupportedExtensionsError> - where - L: loader::Loader, - { - let fns = ptrs.fns(); - - let properties: Vec<ash::vk::ExtensionProperties> = unsafe { - let mut num = 0; - check_errors(fns.v1_0.enumerate_instance_extension_properties( - ptr::null(), - &mut num, - ptr::null_mut(), - ))?; - - let mut properties = Vec::with_capacity(num as usize); - check_errors(fns.v1_0.enumerate_instance_extension_properties( - ptr::null(), - &mut num, - properties.as_mut_ptr(), - ))?; - properties.set_len(num as usize); - properties - }; - - Ok(Self::from(properties.iter().map(|property| unsafe { - CStr::from_ptr(property.extension_name.as_ptr()) - }))) - } -} +// Generated by build.rs +include!(concat!(env!("OUT_DIR"), "/instance_extensions.rs")); #[cfg(test)] mod tests { @@ -147,7 +19,22 @@ mod tests { #[test] fn empty_extensions() { - let i: Vec<CString> = (&InstanceExtensions::none()).into(); - assert!(i.iter().next().is_none()); + let i: Vec<CString> = (&InstanceExtensions::empty()).into(); + assert!(i.get(0).is_none()); + } + + #[test] + fn into_iter() { + let extensions = InstanceExtensions { + khr_display: true, + ..InstanceExtensions::empty() + }; + for (name, enabled) in extensions { + if name == "VK_KHR_display" { + assert!(enabled); + } else { + assert!(!enabled); + } + } } } |