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#[cfg(feature = "use-compiled-tools")]
pub mod external {
use spirv_tools_sys::shared;
pub struct ExternalBinary {
inner: *mut shared::Binary,
}
impl ExternalBinary {
pub(crate) fn new(bin: *mut shared::Binary) -> Self {
Self { inner: bin }
}
}
impl AsRef<[u32]> for ExternalBinary {
fn as_ref(&self) -> &[u32] {
unsafe { std::slice::from_raw_parts((*self.inner).code, (*self.inner).size) }
}
}
impl AsRef<[u8]> for ExternalBinary {
fn as_ref(&self) -> &[u8] {
unsafe {
std::slice::from_raw_parts(
(*self.inner).code as *const u8,
(*self.inner).size * std::mem::size_of::<u32>(),
)
}
}
}
impl Drop for ExternalBinary {
fn drop(&mut self) {
unsafe {
shared::binary_destroy(self.inner);
}
}
}
}
pub enum Binary {
#[cfg(feature = "use-compiled-tools")]
External(self::external::ExternalBinary),
OwnedU32(Vec<u32>),
OwnedU8(Vec<u8>),
}
impl Binary {
pub fn as_bytes(&self) -> &[u8] {
self.as_ref()
}
pub fn as_words(&self) -> &[u32] {
self.as_ref()
}
}
impl std::convert::TryFrom<Vec<u8>> for Binary {
type Error = crate::Error;
fn try_from(v: Vec<u8>) -> Result<Self, Self::Error> {
if v.len() % std::mem::size_of::<u32>() != 0 {
Err(crate::Error {
inner: spirv_tools_sys::shared::SpirvResult::InvalidBinary,
diagnostic: None,
})
} else {
Ok(Binary::OwnedU8(v))
}
}
}
impl AsRef<[u32]> for Binary {
fn as_ref(&self) -> &[u32] {
match self {
#[cfg(feature = "use-compiled-tools")]
Self::External(bin) => bin.as_ref(),
Self::OwnedU32(v) => &v,
Self::OwnedU8(v) => {
to_binary(&v).unwrap()
}
}
}
}
impl AsRef<[u8]> for Binary {
fn as_ref(&self) -> &[u8] {
match self {
#[cfg(feature = "use-compiled-tools")]
Self::External(bin) => bin.as_ref(),
Self::OwnedU32(v) => from_binary(&v),
Self::OwnedU8(v) => &v,
}
}
}
use std::fmt;
impl fmt::Debug for Binary {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut ds = match self {
#[cfg(feature = "use-compiled-tools")]
Self::External(_) => f.debug_struct("External"),
Self::OwnedU32(_) => f.debug_struct("OwnedU32"),
Self::OwnedU8(_) => f.debug_struct("OwnedU8"),
};
ds.field("word_count", &self.as_words().len()).finish()
}
}
pub fn from_binary(bin: &[u32]) -> &[u8] {
unsafe {
std::slice::from_raw_parts(
bin.as_ptr() as *const u8,
bin.len() * std::mem::size_of::<u32>(),
)
}
}
pub fn to_binary(bytes: &[u8]) -> Result<&[u32], crate::Error> {
if bytes.len() % std::mem::size_of::<u32>() != 0 {
return Err(crate::Error {
inner: spirv_tools_sys::shared::SpirvResult::InvalidBinary,
diagnostic: None,
});
}
Ok(unsafe {
std::slice::from_raw_parts(
bytes.as_ptr() as *const u32,
bytes.len() / std::mem::size_of::<u32>(),
)
})
}