f37f5fd281
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.
40 lines
1.5 KiB
Rust
40 lines
1.5 KiB
Rust
//! Shows how to display a window in transparent mode.
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//!
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//! This feature works as expected depending on the platform. Please check the
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//! [documentation](https://docs.rs/bevy/latest/bevy/prelude/struct.Window.html#structfield.transparent)
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//! for more details.
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use bevy::prelude::*;
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#[cfg(any(target_os = "macos", target_os = "linux"))]
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use bevy::window::CompositeAlphaMode;
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins.set(WindowPlugin {
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primary_window: Some(Window {
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// Setting `transparent` allows the `ClearColor`'s alpha value to take effect
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transparent: true,
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// Disabling window decorations to make it feel more like a widget than a window
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decorations: false,
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#[cfg(target_os = "macos")]
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composite_alpha_mode: CompositeAlphaMode::PostMultiplied,
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#[cfg(target_os = "linux")]
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composite_alpha_mode: CompositeAlphaMode::PreMultiplied,
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..default()
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}),
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..default()
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}))
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// ClearColor must have 0 alpha, otherwise some color will bleed through
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.insert_resource(ClearColor(Color::NONE))
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.add_systems(Startup, setup)
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.run();
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}
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fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
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commands.spawn(Camera2d);
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commands.spawn(SpriteBundle {
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texture: asset_server.load("branding/icon.png"),
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..default()
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});
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}
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