tweak_shader 0.6.0

A simple wgpu helper library for building flexible screen shaders.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

#[doc = include_str!("../ReadMe.md")]
pub(crate) mod context;

pub(crate) mod parsing;
pub(crate) mod uniforms;

/// This module provides typesafe wrapper for internal uniform buffer data.
pub mod input_type;

pub use wgpu;
// the main rendering context.
pub use context::{RenderContext, TextureDesc};

pub(crate) type VarName = String;

use thiserror::Error;
use wgpu::naga::{self, Span};

/// Joint error type
#[derive(Debug, Error)]
pub enum Error {
    /// Thrown if the shader compilation fails, includes a newline separated list of compile errors.
    #[error("Shader compilation failed: {display}")]
    ShaderCompilationFailed {
        display: String,
        _error_list: Vec<(Span, naga::front::glsl::ErrorKind)>,
    },

    /// Thrown if a pragma is malformed
    #[error("Document parsing failed: {0}")]
    DocumentParsingFailed(#[from] crate::parsing::Error),

    /// Thrown if uniforms were an unsupported or unexpected format
    /// or not present. Note that currently naga omits unused global
    /// variables and uniforms - this may cause this error to be erroneously thrown.
    #[error("Uniform setup failed: {0}")]
    UniformError(#[from] crate::uniforms::Error),
}