euv_engine/config/
enum.rs

1/// The rendering backend type used by the engine.
2///
3/// Selects between the Canvas 2D immediate-mode API and the WebGPU
4/// pipeline-based API. Canvas 2D is universally supported and suitable
5/// for 2D games and simple 3D software rendering. WebGPU provides
6/// GPU-accelerated rendering for demanding 2D and 3D scenes.
7#[derive(Clone, Copy, Debug, Default, Eq, Hash, PartialEq)]
8pub(crate) enum RenderBackendType {
9    /// The Canvas 2D rendering backend (`CanvasRenderingContext2d`).
10    ///
11    /// Universal browser support, immediate-mode drawing API, suitable
12    /// for 2D games and software-rendered 3D.
13    #[default]
14    Canvas2D,
15    /// The WebGPU rendering backend (`GpuDevice` + `GpuCanvasContext`).
16    ///
17    /// GPU-accelerated rendering with shaders, buffers, and pipelines.
18    /// Requires a WebGPU-capable browser.
19    WebGpu,
20    /// The WebGL 2 rendering backend (`WebGl2RenderingContext`).
21    ///
22    /// GPU-accelerated rendering with GLSL ES 3.00 shaders. Supported by
23    /// every modern browser, making it the GPU fallback for browsers that
24    /// do not expose WebGPU.
25    WebGl,
26}
27
28/// The power preference hint passed to `navigator.gpu.requestAdapter`.
29///
30/// Maps to the WebGPU `GPUPowerPreference` enum. The browser uses this
31/// hint to select a GPU adapter when multiple are available.
32#[derive(Clone, Copy, Debug, Default, Eq, Hash, PartialEq)]
33pub enum GpuPowerPreference {
34    /// Prefers a low-power adapter to conserve energy, suitable for
35    /// mobile devices and battery-conscious scenarios.
36    #[default]
37    LowPower,
38    /// Prefers a high-performance adapter for maximum rendering throughput,
39    /// suitable for desktop gaming and compute-intensive scenes.
40    HighPerformance,
41}
euv_engine/config/enum.rs

euv_engine/config/
enum.rs
