66 lines
1.8 KiB
Rust
66 lines
1.8 KiB
Rust
//! Configure a renderer.
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use crate::core::{Font, Pixels};
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use crate::graphics::Antialiasing;
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/// The settings of a [`Backend`].
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///
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/// [`Backend`]: crate::Backend
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#[derive(Debug, Clone, Copy, PartialEq)]
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pub struct Settings {
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/// The present mode of the [`Backend`].
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///
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/// [`Backend`]: crate::Backend
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pub present_mode: wgpu::PresentMode,
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/// The internal graphics backend to use.
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pub internal_backend: wgpu::Backends,
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/// The default [`Font`] to use.
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pub default_font: Font,
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/// The default size of text.
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///
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/// By default, it will be set to `16.0`.
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pub default_text_size: Pixels,
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/// The antialiasing strategy that will be used for triangle primitives.
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///
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/// By default, it is `None`.
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pub antialiasing: Option<Antialiasing>,
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}
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impl Settings {
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/// Creates new [`Settings`] using environment configuration.
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///
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/// Specifically:
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///
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/// - The `internal_backend` can be configured using the `WGPU_BACKEND`
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/// environment variable. If the variable is not set, the primary backend
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/// will be used. The following values are allowed:
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/// - `vulkan`
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/// - `metal`
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/// - `dx12`
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/// - `dx11`
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/// - `gl`
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/// - `webgpu`
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/// - `primary`
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pub fn from_env() -> Self {
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Settings {
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internal_backend: wgpu::util::backend_bits_from_env()
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.unwrap_or(wgpu::Backends::all()),
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..Self::default()
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}
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}
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}
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impl Default for Settings {
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fn default() -> Settings {
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Settings {
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present_mode: wgpu::PresentMode::AutoVsync,
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internal_backend: wgpu::Backends::all(),
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default_font: Font::default(),
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default_text_size: Pixels(16.0),
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antialiasing: None,
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}
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}
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}
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