pebble/wgpu/cubemap.rs
1pub struct CubemapSpec {
2 pub size: u32, // cubemaps are square per face
3 pub format: wgpu::TextureFormat,
4 /// `Some` uploads 6 faces of pixel data up front (wgpu's expected
5 /// order: +X, -X, +Y, -Y, +Z, -Z). `None` allocates an empty cubemap
6 /// meant to be filled later by rendering into per-face views — e.g. an
7 /// environment-map capture pass — in which case [`wgpu_descriptor`](Self::wgpu_descriptor)
8 /// adds `RENDER_ATTACHMENT` usage instead of requiring upload data.
9 pub faces: Option<[Vec<u8>; 6]>,
10}
11
12impl CubemapSpec {
13 pub fn with_format(mut self, format: wgpu::TextureFormat) -> Self {
14 self.format = format;
15 self
16 }
17}