simple_wgpu/
pipeline_layout.rs

1use crate::{bind_group::BindGroupLayout, context::Context};
2
3#[derive(Clone, Hash, PartialEq, Eq)]
4pub(crate) struct PipelineLayout {
5    pub(crate) bind_group_layouts: Vec<BindGroupLayout>,
6}
7
8impl PipelineLayout {
9    pub fn get_or_build(&self, context: &Context) -> wgpu::PipelineLayout {
10        let mut pipeline_layout_cache: std::cell::RefMut<
11            '_,
12            crate::keyed_cache::KeyedCache<PipelineLayout, wgpu::PipelineLayout>,
13        > = context.caches.pipeline_layout_cache.borrow_mut();
14
15        pipeline_layout_cache
16            .get_or_insert_with(self.clone(), || {
17                let bind_group_layouts = self
18                    .bind_group_layouts
19                    .iter()
20                    .map(|layout| layout.get_or_build(context))
21                    .collect::<Vec<_>>();
22                let bind_group_layout_refs = bind_group_layouts
23                    .iter()
24                    .map(|layout| layout)
25                    .collect::<Vec<_>>();
26
27                context
28                    .device()
29                    .create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
30                        label: None,
31                        bind_group_layouts: &bind_group_layout_refs,
32                        push_constant_ranges: &[],
33                    })
34            })
35            .clone()
36    }
37}
simple_wgpu/pipeline_layout.rs

simple_wgpu/
pipeline_layout.rs
