emilk/egui · error

Tried to update user texture.

Error message

Tried to update user texture.

What it means

Error "Tried to update user texture." thrown in emilk/egui.

Source

Thrown at crates/egui-wgpu/src/renderer.rs:673

                size,
            );
        };

        // Use same label for all resources associated with this texture id (no point in retyping the type)
        let label_str = format!("egui_texid_{id:?}");
        let label = Some(label_str.as_str());

        let (texture, origin, bind_group) = if let Some(pos) = image_delta.pos {
            // update the existing texture
            let Texture {
                texture,
                bind_group,
                options,
            } = self
                .textures
                .remove(&id)
                .expect("Tried to update a texture that has not been allocated yet.");
            let texture = texture.expect("Tried to update user texture.");
            let options = options.expect("Tried to update user texture.");
            let origin = wgpu::Origin3d {
                x: pos[0] as u32,
                y: pos[1] as u32,
                z: 0,
            };

            (
                texture,
                origin,
                // If the TextureOptions are the same as the previous ones, we can reuse the bind group. Otherwise we
                // have to recreate it.
                if image_delta.options == options {
                    Some(bind_group)
                } else {
                    None
                },
            )

View on GitHub (pinned to d802a982ce)

When it happens

Trigger: Thrown at crates/egui-wgpu/src/renderer.rs:673 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of emilk/egui@d802a982ce (2026-08-16). Data as JSON: /api/errors/65c8e3cc251a79b4. Report an issue: GitHub.