simple_wgpu/
shader.rs

1use std::hash::Hash;
2
3use uuid::Uuid;
4
5use crate::context::Context;
6
7/// A handle to a compiled shader
8///
9/// The equivalent to [`wgpu::ShaderModule`]
10#[derive(Clone, Debug)]
11pub struct Shader {
12    id: Uuid,
13    shader: wgpu::ShaderModule,
14}
15
16impl Shader {
17    /// Create a new shader
18    ///
19    /// It is generally easiest to use [wgpu::include_wgsl] to populate the `desc` argument.
20    pub fn new(desc: wgpu::ShaderModuleDescriptor, context: &Context) -> Self {
21        Self {
22            id: Uuid::new_v4(),
23            shader: context.device().create_shader_module(desc),
24        }
25    }
26
27    /// Associate the shader with a specific entry point (named main function)
28    pub fn entry_point(&self, entry_point: &str) -> EntryPoint {
29        EntryPoint {
30            id: self.id,
31            shader: self.shader.clone(),
32            entry_point: entry_point.to_string(),
33        }
34    }
35}
36
37/// A handle to a compiled shader with a specific main function
38#[derive(Clone, Debug)]
39pub struct EntryPoint {
40    id: Uuid,
41    pub(crate) shader: wgpu::ShaderModule,
42    pub(crate) entry_point: String,
43}
44
45impl Eq for EntryPoint {}
46
47impl PartialEq for EntryPoint {
48    fn eq(&self, other: &Self) -> bool {
49        self.id == other.id && self.entry_point == other.entry_point
50    }
51}
52
53impl Hash for EntryPoint {
54    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
55        state.write_usize(&self.shader as *const wgpu::ShaderModule as usize);
56        self.entry_point.hash(state);
57    }
58}
simple_wgpu/shader.rs

simple_wgpu/
shader.rs
