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#![doc(html_logo_url = "https://gitlab.com/Friz64/erupt/-/raw/master/logo.png")]
mod generated;
pub mod utils;
pub use generated::*;
use std::{
error::Error,
ffi::CStr,
fmt::{self, Display},
};
pub use utils::loading::DefaultEntryLoader;
#[macro_export]
macro_rules! cstr {
($s:expr) => {
concat!($s, "\0") as *const str as *const ::std::os::raw::c_char
};
}
#[macro_export]
macro_rules! try_vk {
($expr:expr) => {
match $crate::utils::VulkanResult::result($expr) {
Ok(value) => value,
Err(raw) => return $crate::utils::VulkanResult::new_err(raw),
}
};
}
#[doc(hidden)]
#[macro_export]
macro_rules! non_dispatchable_handle {
($name:ident, $ty:ident, $doc:meta) => {
#[$doc]
#[repr(transparent)]
#[derive(Eq, PartialEq, Ord, PartialOrd, Clone, Copy, Hash, Default)]
pub struct $name(pub u64);
impl $name {
pub const TYPE: crate::vk1_0::ObjectType = crate::vk1_0::ObjectType::$ty;
pub const fn null() -> $name {
$name(0)
}
pub const fn is_null(&self) -> bool {
self.0 == 0
}
}
impl std::fmt::Pointer for $name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "0x{:x}", self.0)
}
}
impl std::fmt::Debug for $name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "0x{:x}", self.0)
}
}
};
}
#[doc(hidden)]
#[macro_export]
macro_rules! dispatchable_handle {
($name:ident, $ty:ident, $doc:meta) => {
#[$doc]
#[repr(transparent)]
#[derive(Eq, PartialEq, Ord, PartialOrd, Clone, Copy, Hash)]
pub struct $name(pub *mut ());
impl $name {
pub const TYPE: crate::vk1_0::ObjectType = crate::vk1_0::ObjectType::$ty;
pub const fn null() -> Self {
$name(std::ptr::null_mut())
}
pub fn is_null(&self) -> bool {
self.0.is_null()
}
}
unsafe impl Send for $name {}
unsafe impl Sync for $name {}
impl Default for $name {
fn default() -> $name {
$name::null()
}
}
impl std::fmt::Pointer for $name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
std::fmt::Pointer::fmt(&self.0, f)
}
}
impl std::fmt::Debug for $name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
std::fmt::Debug::fmt(&self.0, f)
}
}
};
}
#[derive(Debug)]
pub enum LoaderError {
VulkanError(vk1_0::Result),
SymbolNotAvailable,
}
impl Display for LoaderError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
LoaderError::VulkanError(err) => write!(
f,
"A Vulkan function returned a negative `Result` value: {}",
err
),
LoaderError::SymbolNotAvailable => {
write!(f, "A symbol was not available while it should have been")
}
}
}
}
impl Error for LoaderError {}
impl InstanceLoader {
#[inline]
pub fn new<T>(
entry_loader: &EntryLoader<T>,
create_info: &crate::vk1_0::InstanceCreateInfo,
allocator: Option<&crate::vk1_0::AllocationCallbacks>,
) -> Result<InstanceLoader, LoaderError> {
let instance = unsafe { entry_loader.create_instance(create_info, allocator, None) }
.result()
.map_err(LoaderError::VulkanError)?;
let mut version = crate::vk1_0::make_version(1, 0, 0);
if !create_info.p_application_info.is_null() {
let user_version = unsafe { *create_info.p_application_info }.api_version;
if user_version != 0 {
version = user_version;
}
}
InstanceLoader::custom(
entry_loader,
instance,
version,
create_info.enabled_extension_count as usize,
create_info.pp_enabled_extension_names,
|name| unsafe { (entry_loader.get_instance_proc_addr)(instance, name) },
)
}
}
impl DeviceLoader {
#[inline]
pub fn new(
instance_loader: &InstanceLoader,
physical_device: crate::vk1_0::PhysicalDevice,
create_info: &crate::vk1_0::DeviceCreateInfo,
allocator: Option<&crate::vk1_0::AllocationCallbacks>,
) -> Result<DeviceLoader, LoaderError> {
let device =
unsafe { instance_loader.create_device(physical_device, create_info, allocator, None) }
.result()
.map_err(LoaderError::VulkanError)?;
DeviceLoader::custom(
instance_loader,
device,
create_info.enabled_extension_count as usize,
create_info.pp_enabled_extension_names,
|name| unsafe { (instance_loader.get_device_proc_addr)(device, name) },
)
}
}
#[inline]
unsafe fn c_str_array_contains(
array: *const *const std::os::raw::c_char,
array_length: usize,
contains: *const std::os::raw::c_char,
) -> bool {
let contains = CStr::from_ptr(contains);
for i in 0..array_length {
if CStr::from_ptr(*array.add(i)) == contains {
return true;
}
}
false
}
pub trait ExtendableFrom<'a, T> {
fn extend_from(mut self, other: &'a mut T) -> Self
where
Self: Sized,
{
unsafe {
crate::append_ptr_chain(&mut self as *mut Self as _, other as *mut T as _);
}
self
}
}
#[inline]
unsafe fn append_ptr_chain(
mut host: *mut vk1_0::BaseOutStructure,
tail: *mut vk1_0::BaseOutStructure,
) {
loop {
let p_next = &mut (*host).p_next;
if p_next.is_null() {
*p_next = tail;
break;
} else {
host = *p_next;
}
}
}