Struct vulkano::descriptor::descriptor_set::FixedSizeDescriptorSetsPool
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pub struct FixedSizeDescriptorSetsPool<L> { /* fields omitted */ }
Pool of descriptor sets of a specific capacity and that are automatically reclaimed.
You are encouraged to use this type when you need a different descriptor set at each frame, or regularly during the execution.
Example
At initialization, create a FixedSizeDescriptorSetsPool
. The first parameter of the new
function can be a graphics pipeline, a compute pipeline, or anything that represents a pipeline
layout.
use vulkano::descriptor::descriptor_set::FixedSizeDescriptorSetsPool; // use vulkano::pipeline::GraphicsPipelineAbstract; // let graphics_pipeline: Arc<GraphicsPipelineAbstract> = ...; let pool = FixedSizeDescriptorSetsPool::new(graphics_pipeline.clone(), 0);
You would then typically store the pool in a struct for later. Its type is
FixedSizeDescriptorSetsPool<T>
where T
is the type of what was passed to new()
. In the
example above, it would be FixedSizeDescriptorSetsPool<Arc<GraphicsPipelineAbstract>>
.
Then whenever you need a descriptor set, call pool.next()
to start the process of building
it.
let descriptor_set = pool.next() //.add_buffer(...) //.add_sampled_image(...) .build().unwrap();
Note that next()
requires exclusive (mut
) access to the pool. You can use a Mutex
around
the pool if you can't provide this.
Methods
impl<L> FixedSizeDescriptorSetsPool<L>
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pub fn new(layout: L, set_id: usize) -> FixedSizeDescriptorSetsPool<L> where
L: PipelineLayoutAbstract,
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L: PipelineLayoutAbstract,
Initializes a new pool. The pool is configured to allocate sets that corresponds to the parameters passed to this function.
pub fn next(&mut self) -> FixedSizeDescriptorSetBuilder<L, ()> where
L: PipelineLayoutAbstract + Clone,
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L: PipelineLayoutAbstract + Clone,
Starts the process of building a new descriptor set.
The set will corresponds to the set layout that was passed to new
.
Trait Implementations
impl<L: Clone> Clone for FixedSizeDescriptorSetsPool<L>
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fn clone(&self) -> FixedSizeDescriptorSetsPool<L>
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
Auto Trait Implementations
impl<L> Send for FixedSizeDescriptorSetsPool<L> where
L: Send,
L: Send,
impl<L> Sync for FixedSizeDescriptorSetsPool<L> where
L: Sync,
L: Sync,