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Fix transparent_window example on wayland (#15262)

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Wayland only supports pre-multiplied alpha. Behavior on X11 seems
unchanged.

# Objective

- Fix #10929 on wayland.

## Solution

- Request pre-multiplied alpha.

## Testing

- Ran the example locally.
This commit is contained in:
mahkoh 2024-10-06 22:07:46 +02:00 committed by GitHub
parent e7c1c997ac
commit f37f5fd281
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4
examples/window/transparent_window.rs
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@ -5,7 +5,7 @@
//! for more details. //! for more details.
use bevy::prelude::*; use bevy::prelude::*;
#[cfg(target_os = "macos")] #[cfg(any(target_os = "macos", target_os = "linux"))]
use bevy::window::CompositeAlphaMode; use bevy::window::CompositeAlphaMode;
fn main() { fn main() {
@ -18,6 +18,8 @@ fn main() {
decorations: false, decorations: false,
#[cfg(target_os = "macos")] #[cfg(target_os = "macos")]
composite_alpha_mode: CompositeAlphaMode::PostMultiplied, composite_alpha_mode: CompositeAlphaMode::PostMultiplied,
#[cfg(target_os = "linux")]
composite_alpha_mode: CompositeAlphaMode::PreMultiplied,
..default() ..default()
}), }),
..default() ..default()