fyrox_impl/material/shader/loader.rs
1// Copyright (c) 2019-present Dmitry Stepanov and Fyrox Engine contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy
4// of this software and associated documentation files (the "Software"), to deal
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7// copies of the Software, and to permit persons to whom the Software is
8// furnished to do so, subject to the following conditions:
9//
10// The above copyright notice and this permission notice shall be included in all
11// copies or substantial portions of the Software.
12//
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14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19// SOFTWARE.
20
21//! Shader loader.
22
23use crate::{
24 asset::{
25 io::ResourceIo,
26 loader::{BoxedLoaderFuture, LoaderPayload, ResourceLoader},
27 },
28 core::{uuid::Uuid, TypeUuidProvider},
29 material::shader::Shader,
30};
31use fyrox_resource::state::LoadError;
32use std::{path::PathBuf, sync::Arc};
33
34/// Default implementation for shader loading.
35pub struct ShaderLoader;
36
37impl ResourceLoader for ShaderLoader {
38 fn extensions(&self) -> &[&str] {
39 &["shader"]
40 }
41
42 fn data_type_uuid(&self) -> Uuid {
43 Shader::type_uuid()
44 }
45
46 fn load(&self, path: PathBuf, io: Arc<dyn ResourceIo>) -> BoxedLoaderFuture {
47 Box::pin(async move {
48 let shader_state = Shader::from_file(&path, io.as_ref())
49 .await
50 .map_err(LoadError::new)?;
51 Ok(LoaderPayload::new(shader_state))
52 })
53 }
54}