rust/crates/gpu/src/lib.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

mod context;

use thiserror::Error;

pub use context::GpuContext;
pub use wgpu;

pub const GPU_TEXTURE_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Bgra8Unorm;
pub const FULLSCREEN_SHADER_SOURCE: &str = include_str!("shaders/fullscreen.wgsl");

#[derive(Debug, Error)]
pub enum GpuError {
    #[error("No WebGPU adapter is available")]
    AdapterUnavailable,
    #[error("Failed to request a WebGPU device: {0}")]
    RequestDevice(#[from] wgpu::RequestDeviceError),
    #[error("Failed to create a WebGPU surface: {0}")]
    CreateSurface(#[from] wgpu::CreateSurfaceError),
    #[error("The output surface does not support the required texture format")]
    UnsupportedSurfaceFormat,
    #[error("Failed to read back a texture: {0}")]
    Readback(String),
}