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Use two layers for image::atlas only on Gl backend

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Héctor Ramón Jiménez 2024-02-19 08:18:51 +01:00
parent 4272090d36
commit 04df889cac
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5 changed files with 46 additions and 24 deletions
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14
wgpu/src/image/atlas.rs
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@ -23,11 +23,15 @@ pub struct Atlas {
}
impl Atlas {
pub fn new(device: &wgpu::Device) -> Self {
// We start with 2 layers, to help wgpu figure out that this texture is `GL_TEXTURE_2D_ARRAY` rather
// than `GL_TEXTURE_2D`
// https://github.com/gfx-rs/wgpu/blob/004e3efe84a320d9331371ed31fa50baa2414911/wgpu-hal/src/gles/mod.rs#L371
let layers = vec![Layer::Empty, Layer::Empty];
pub fn new(device: &wgpu::Device, backend: wgpu::Backend) -> Self {
let layers = match backend {
// On the GL backend we start with 2 layers, to help wgpu figure
// out that this texture is `GL_TEXTURE_2D_ARRAY` rather than `GL_TEXTURE_2D`
// https://github.com/gfx-rs/wgpu/blob/004e3efe84a320d9331371ed31fa50baa2414911/wgpu-hal/src/gles/mod.rs#L371
wgpu::Backend::Gl => vec![Layer::Empty, Layer::Empty],
_ => vec![Layer::Empty],
};
let extent = wgpu::Extent3d {
width: SIZE,
height: SIZE,