Added some runtime configuration methods

1 files changed, 19 insertions, 13 deletions

diff --git a/src/config.rs b/src/config.rs
index c29a957..312cf91 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,4 +1,3 @@
-use std::borrow::Cow;
 use std::num::NonZeroU32;
 
 use winit::dpi::{LogicalPosition, LogicalSize};
@@ -60,7 +59,7 @@ pub struct RenderWindowConfig<'a> {
 	/// The window may be fullscreen
 	pub mode: WindowMode,
 	/// The title for the window
-	pub title: Cow<'a, str>,
+	pub title: &'a str,
 	/// If true, a low-power device will be selected as the GPU, if possible
 	pub low_power: bool,
 	/// If true, Fifo mode is used to present frames. If false, then Mailbox or
@@ -78,7 +77,7 @@ impl<'a> Default for RenderWindowConfig<'a> {
 			default_width: NonZeroU32::new(640).unwrap(),
 			default_height: NonZeroU32::new(480).unwrap(),
 			mode: WindowMode::default(),
-			title: "Alligator Game".into(),
+			title: "Alligator Game",
 			low_power: true,
 			vsync: true,
 			instance_capacity: 0,
@@ -87,12 +86,27 @@ impl<'a> Default for RenderWindowConfig<'a> {
 }
 
 impl<'a> RenderWindowConfig<'a> {
+	pub(crate) fn present_mode(
+		vsync: bool,
+		supported_modes: &[wgpu::PresentMode],
+	) -> wgpu::PresentMode {
+		if vsync {
+			wgpu::PresentMode::Fifo
+		} else if supported_modes.contains(&wgpu::PresentMode::Mailbox) {
+			wgpu::PresentMode::Mailbox
+		} else if supported_modes.contains(&wgpu::PresentMode::Immediate) {
+			wgpu::PresentMode::Immediate
+		} else {
+			wgpu::PresentMode::Fifo
+		}
+	}
+
 	/// Create a `WindowBuilder` from the configuration given. This window is
 	/// initially invisible and must later be made visible.
 	pub(crate) fn to_window(&self) -> WindowBuilder {
 		// start building the window
 		let mut builder = WindowBuilder::new()
-			.with_title(self.title.as_ref())
+			.with_title(self.title)
 			.with_visible(false)
 			.with_inner_size(LogicalSize::new(
 				self.default_width.get(),
@@ -143,15 +157,7 @@ impl<'a> RenderWindowConfig<'a> {
 		supported_modes: &[wgpu::PresentMode],
 		texture_format: wgpu::TextureFormat,
 	) -> wgpu::SurfaceConfiguration {
-		let present_mode = if self.vsync {
-			wgpu::PresentMode::Fifo
-		} else if supported_modes.contains(&wgpu::PresentMode::Mailbox) {
-			wgpu::PresentMode::Mailbox
-		} else if supported_modes.contains(&wgpu::PresentMode::Immediate) {
-			wgpu::PresentMode::Immediate
-		} else {
-			wgpu::PresentMode::Fifo
-		};
+		let present_mode = Self::present_mode(self.vsync, supported_modes);
 
 		// configuration for the surface
 		wgpu::SurfaceConfiguration {