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pub use self::collection::DescriptorSetsCollection;
pub use self::fixed_size_pool::FixedSizeDescriptorSetsPool;
use self::layout::DescriptorSetLayout;
pub use self::persistent::PersistentDescriptorSet;
pub use self::persistent::PersistentDescriptorSetBuildError;
pub use self::persistent::PersistentDescriptorSetError;
use self::sys::UnsafeDescriptorSet;
use crate::buffer::BufferAccess;
use crate::descriptor_set::layout::{DescriptorBufferDesc, DescriptorDescTy};
use crate::device::DeviceOwned;
use crate::image::view::ImageViewAbstract;
use crate::SafeDeref;
use crate::VulkanObject;
use smallvec::SmallVec;
use std::hash::Hash;
use std::hash::Hasher;
use std::sync::Arc;
mod collection;
pub mod fixed_size_pool;
pub mod layout;
pub mod persistent;
pub mod pool;
pub mod sys;
pub unsafe trait DescriptorSet: DeviceOwned {
fn inner(&self) -> &UnsafeDescriptorSet;
fn layout(&self) -> &Arc<DescriptorSetLayout>;
fn offsets<I>(self, dynamic_offsets: I) -> DescriptorSetWithOffsets
where
Self: Sized + Send + Sync + 'static,
I: IntoIterator<Item = u32>,
{
DescriptorSetWithOffsets::new(self, dynamic_offsets)
}
fn num_buffers(&self) -> usize;
fn buffer(&self, index: usize) -> Option<(&dyn BufferAccess, u32)>;
fn num_images(&self) -> usize;
fn image(&self, index: usize) -> Option<(&dyn ImageViewAbstract, u32)>;
}
unsafe impl<T> DescriptorSet for T
where
T: SafeDeref,
T::Target: DescriptorSet,
{
#[inline]
fn inner(&self) -> &UnsafeDescriptorSet {
(**self).inner()
}
#[inline]
fn layout(&self) -> &Arc<DescriptorSetLayout> {
(**self).layout()
}
#[inline]
fn num_buffers(&self) -> usize {
(**self).num_buffers()
}
#[inline]
fn buffer(&self, index: usize) -> Option<(&dyn BufferAccess, u32)> {
(**self).buffer(index)
}
#[inline]
fn num_images(&self) -> usize {
(**self).num_images()
}
#[inline]
fn image(&self, index: usize) -> Option<(&dyn ImageViewAbstract, u32)> {
(**self).image(index)
}
}
impl PartialEq for dyn DescriptorSet + Send + Sync {
#[inline]
fn eq(&self, other: &Self) -> bool {
self.inner().internal_object() == other.inner().internal_object()
&& self.device() == other.device()
}
}
impl Eq for dyn DescriptorSet + Send + Sync {}
impl Hash for dyn DescriptorSet + Send + Sync {
#[inline]
fn hash<H: Hasher>(&self, state: &mut H) {
self.inner().internal_object().hash(state);
self.device().hash(state);
}
}
pub struct DescriptorSetWithOffsets {
descriptor_set: Box<dyn DescriptorSet + Send + Sync>,
dynamic_offsets: SmallVec<[u32; 4]>,
}
impl DescriptorSetWithOffsets {
#[inline]
pub fn new<S, O>(descriptor_set: S, dynamic_offsets: O) -> Self
where
S: DescriptorSet + Send + Sync + 'static,
O: IntoIterator<Item = u32>,
{
let dynamic_offsets: SmallVec<_> = dynamic_offsets.into_iter().collect();
let layout = descriptor_set.layout();
let properties = layout.device().physical_device().properties();
let min_uniform_off_align = properties.min_uniform_buffer_offset_alignment as u32;
let min_storage_off_align = properties.min_storage_buffer_offset_alignment as u32;
let mut dynamic_offset_index = 0;
for desc in layout.desc().bindings() {
let desc = desc.as_ref().unwrap();
if let DescriptorDescTy::Buffer(DescriptorBufferDesc {
dynamic: Some(true),
storage,
}) = desc.ty
{
if dynamic_offsets.len() > dynamic_offset_index {
if storage {
assert!(
dynamic_offsets[dynamic_offset_index] % min_storage_off_align == 0,
"Dynamic storage buffer offset must be a multiple of min_storage_buffer_offset_alignment: got {}, expected a multiple of {}",
dynamic_offsets[dynamic_offset_index],
min_storage_off_align
);
} else {
assert!(
dynamic_offsets[dynamic_offset_index] % min_uniform_off_align == 0,
"Dynamic uniform buffer offset must be a multiple of min_uniform_buffer_offset_alignment: got {}, expected a multiple of {}",
dynamic_offsets[dynamic_offset_index],
min_uniform_off_align
);
}
}
dynamic_offset_index += 1;
}
}
assert!(
!(dynamic_offsets.len() < dynamic_offset_index),
"Too few dynamic offsets: got {}, expected {}",
dynamic_offsets.len(),
dynamic_offset_index
);
assert!(
!(dynamic_offsets.len() > dynamic_offset_index),
"Too many dynamic offsets: got {}, expected {}",
dynamic_offsets.len(),
dynamic_offset_index
);
DescriptorSetWithOffsets {
descriptor_set: Box::new(descriptor_set),
dynamic_offsets,
}
}
#[inline]
pub fn as_ref(&self) -> (&dyn DescriptorSet, &[u32]) {
(&self.descriptor_set, &self.dynamic_offsets)
}
#[inline]
pub fn into_tuple(
self,
) -> (
Box<dyn DescriptorSet + Send + Sync>,
impl ExactSizeIterator<Item = u32>,
) {
(self.descriptor_set, self.dynamic_offsets.into_iter())
}
}
impl<S> From<S> for DescriptorSetWithOffsets
where
S: DescriptorSet + Send + Sync + 'static,
{
#[inline]
fn from(descriptor_set: S) -> Self {
Self::new(descriptor_set, std::iter::empty())
}
}