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Diffstat (limited to 'graphics/src/window/compositor.rs')
| -rw-r--r-- | graphics/src/window/compositor.rs | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/graphics/src/window/compositor.rs b/graphics/src/window/compositor.rs index 7d5d789b..de2a6990 100644 --- a/graphics/src/window/compositor.rs +++ b/graphics/src/window/compositor.rs @@ -1,6 +1,9 @@ use crate::{Color, Error, Viewport}; + use iced_native::mouse; + use raw_window_handle::HasRawWindowHandle; +use thiserror::Error; /// A graphics compositor that can draw to windows. pub trait Compositor: Sized { @@ -52,5 +55,26 @@ pub trait Compositor: Sized { background_color: Color, output: &<Self::Renderer as iced_native::Renderer>::Output, overlay: &[T], - ) -> mouse::Interaction; + ) -> Result<mouse::Interaction, SwapChainError>; +} + +/// Result of an unsuccessful call to [`Compositor::draw`]. +#[derive(Clone, PartialEq, Eq, Debug, Error)] +pub enum SwapChainError { + /// A timeout was encountered while trying to acquire the next frame. + #[error( + "A timeout was encountered while trying to acquire the next frame" + )] + Timeout, + /// The underlying surface has changed, and therefore the swap chain must be updated. + #[error( + "The underlying surface has changed, and therefore the swap chain must be updated." + )] + Outdated, + /// The swap chain has been lost and needs to be recreated. + #[error("The swap chain has been lost and needs to be recreated")] + Lost, + /// There is no more memory left to allocate a new frame. + #[error("There is no more memory left to allocate a new frame")] + OutOfMemory, } |