Method new

crates/blue_engine_core/src/render.rs:50–182

Creates a new renderer.

(
        size: WindowSize,
        settings: crate::EngineSettings,
    )

impl Renderer {
    /// Creates a new renderer.
    pub(crate) async fn new(
        size: WindowSize,
        settings: crate::EngineSettings,
    ) -> Result<Self, crate::error::Error> {
        // The instance is a handle to our GPU
        let instance = wgpu::Instance::new(&wgpu::InstanceDescriptor {
            backends: settings.backends,
            ..Default::default()
        });

        match instance
            .request_adapter(&wgpu::RequestAdapterOptions {
                power_preference: settings.power_preference,
                compatible_surface: None,
                force_fallback_adapter: false,
            })
            .await
        {
            Ok(adapter) => {
                let (device, queue) = adapter
                    .request_device(&wgpu::DeviceDescriptor {
                        label: Some("Device"),
                        required_features: settings.features,
                        required_limits: settings.limits,
                        memory_hints: if settings.power_preference
                            == wgpu::PowerPreference::HighPerformance
                        {
                            wgpu::MemoryHints::Performance
                        } else {
                            wgpu::MemoryHints::MemoryUsage
                        },
                        trace: wgpu::Trace::Off,
                        ..Default::default()
                    })
                    .await?;

                let texture_format = wgpu::TextureFormat::Bgra8UnormSrgb;

                #[cfg(target_os = "android")]
                let texture_format = wgpu::TextureFormat::Rgba8UnormSrgb;

                let config = wgpu::SurfaceConfiguration {
                    usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
                    format: texture_format, //wgpu::TextureFormat::Bgra8UnormSrgb,
                    #[cfg(target_os = "android")]
                    width: 1080,
                    #[cfg(not(feature = "android"))]
                    width: size.0,
                    #[cfg(target_os = "android")]
                    height: 2300,
                    #[cfg(not(target_os = "android"))]
                    height: size.1,
                    #[cfg(target_os = "android")]
                    present_mode: wgpu::PresentMode::Mailbox,
                    #[cfg(not(target_os = "android"))]
                    present_mode: settings.present_mode,
                    alpha_mode: settings.alpha_mode,
                    view_formats: vec![texture_format],