From: Josh Simmons <josh@nega.tv>
Date: Thu, 9 May 2024 08:59:13 +0000 (+0200)
Subject: narcissus-app: Add HIDPI support
X-Git-Url: https://git.nega.tv//gitweb.cgi?a=commitdiff_plain;h=6a529e9a7d8d641a564e077ba8478dc8b0c9c965;p=josh%2Fnarcissus

narcissus-app: Add HIDPI support
---

diff --git a/engine/narcissus-app/src/lib.rs b/engine/narcissus-app/src/lib.rs
index a8baa7f..dc6205d 100644
--- a/engine/narcissus-app/src/lib.rs
+++ b/engine/narcissus-app/src/lib.rs
@@ -36,6 +36,7 @@ pub trait Window: AsRawWindow + Upcast<dyn AsRawWindow> {
     fn id(&self) -> WindowId;
 
     fn extent(&self) -> (u32, u32);
+    fn drawable_extent(&self) -> (u32, u32);
 }
 
 #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
diff --git a/engine/narcissus-app/src/sdl.rs b/engine/narcissus-app/src/sdl.rs
index f3d6e4f..4e39553 100644
--- a/engine/narcissus-app/src/sdl.rs
+++ b/engine/narcissus-app/src/sdl.rs
@@ -22,6 +22,15 @@ impl Window for SdlWindow {
     }
 
     fn extent(&self) -> (u32, u32) {
+        let mut width = 0;
+        let mut height = 0;
+        unsafe {
+            sdl::SDL_GetWindowSize(self.window, &mut width, &mut height);
+        }
+        (width as u32, height as u32)
+    }
+
+    fn drawable_extent(&self) -> (u32, u32) {
         let mut width = 0;
         let mut height = 0;
         unsafe {
@@ -96,7 +105,10 @@ impl App for SdlApp {
                 0,
                 desc.width as i32,
                 desc.height as i32,
-                sdl::WINDOW_VULKAN | sdl::WINDOW_SHOWN | sdl::WINDOW_RESIZABLE,
+                sdl::WINDOW_VULKAN
+                    | sdl::WINDOW_SHOWN
+                    | sdl::WINDOW_RESIZABLE
+                    | sdl::WINDOW_ALLOW_HIGHDPI,
             )
         };
         assert!(!window.is_null());