vulkan.rs

unsafe trait VulkanInstanceInitializationCallbacks {
    /// Given the list of available instance extensions, you can extend the list of extensions
    /// that are requested.
    ///
    /// # SAFETY
    ///
    /// - All extensions in `requested_extensions` must be in `available_extensions`.
    fn extend_instance_extensions<'a>(
        &'a mut self,
        available_extensions: &[alloc::string::String],
        requested_extensions: &mut Vec<alloc::string::String>,
    );
}

unsafe trait VulkanDeviceInitializationCallbacks {
    /// Create the storage for any additional structures that need to be stored in the
    /// `pnext` chain of `vk::PhysicalDeviceProperties2`
    fn create_physical_device_properties_storage(&mut self) -> Box<dyn Any> {
        Box::new(())
    }

    /// Given the list of available device extensions, you may extend the pnext chain
    /// of the vk::PhysicalDeviceProperties to contain additional structures. These values
    /// should be zeroed.
    ///
    /// In order to store the additional structures, you may store them inside
    /// the `storage` parameter which is created by `create_physical_device_properties_storage`.
    fn extend_physical_device_properties<'chain>(
        &mut self,
        storage: &'chain mut dyn Any,
        available_extensions: &[alloc::string::String],
        properties: &mut vk::PhysicalDeviceProperties2<'chain>,
    );
    /// All the structures that were in the `pnext` chain of `vk::PhysicalDeviceProperties2`
    /// were filled out, and now you can process them.
    fn process_physical_device_properties<'chain>(
        &mut self,
        properties: &vk::PhysicalDeviceProperties2<'chain>,
    );

    /// Create the storage for any additional structures that need to be stored in the
    /// `pnext` chain of `vk::DeviceCreateInfo`
    fn create_device_create_info_storage(&mut self) -> Box<dyn Any> {
        Box::new(())
    }

    /// Given the list of available device extensions, you may extend the pnext chain
    /// of the vk::DeviceCreateInfo to contain additional structures with the correct
    /// values. If a given feature is available in both a core and an extension form,
    /// check if the core form is already on the chain and skip the extension form.
    ///
    /// In order to store the additional structures, you may store them inside
    /// the `storage` parameter which is created by `create_device_create_info_storage`.
    fn extend_device_create_info<'chain>(
        &mut self,
        storage: &'chain mut dyn Any,
        create_info: &mut vk::DeviceCreateInfo<'chain>,
        requested_extensions: &mut Vec<alloc::string::String>,
    );
}