From 7d9fde6c5e5199b033e23b7e91f535f36f0026f5 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 7 Mar 2026 11:01:31 -0800
Subject: Use framebuffer size for initial resize

---
 Spear/App.hs    |  2 +-
 Spear/Window.hs | 62 ++++++++++++++++++++++++++++++---------------------------
 2 files changed, 34 insertions(+), 30 deletions(-)

diff --git a/Spear/App.hs b/Spear/App.hs
index e85c46b..6473e1b 100644
--- a/Spear/App.hs
+++ b/Spear/App.hs
@@ -175,7 +175,7 @@ loop :: App s -> Window -> Game (AppState s) ()
 loop app window = do
   -- For convenience, trigger an initial resize followed by a render of the
   -- application's initial state.
-  (width, height) <- getWindowSize window
+  (width, height) <- getFramebufferSize window
   resizeApp app (ResizeEvent width height)
   renderApp app
 
diff --git a/Spear/Window.hs b/Spear/Window.hs
index a873362..2e30c0b 100644
--- a/Spear/Window.hs
+++ b/Spear/Window.hs
@@ -1,32 +1,32 @@
 module Spear.Window
-  ( -- * Setup
-    Dimensions,
-    WindowTitle,
-
-    -- * Window
-    Window,
-    Width,
-    Height,
-    WindowEvent(..),
-    withWindow,
-    pollWindowEvents,
-    shouldWindowClose,
-    swapBuffers,
-    getWindowSize,
-
-    -- * Input
-    pollInputEvents,
-    whenKeyDown,
-    whenKeyUp,
-    processKeys,
-    processButtons,
-    InputEvent(..),
-    Key(..),
-    MouseButton(..),
-    MouseProp(..),
-    MousePos,
-    MouseDelta,
-  )
+(
+-- * Setup
+  Dimensions
+, WindowTitle
+-- * Window
+, Window
+, Width
+, Height
+, WindowEvent(..)
+, withWindow
+, pollWindowEvents
+, shouldWindowClose
+, swapBuffers
+, getWindowSize
+, getFramebufferSize
+-- * Input
+, pollInputEvents
+, whenKeyDown
+, whenKeyUp
+, processKeys
+, processButtons
+, InputEvent(..)
+, Key(..)
+, MouseButton(..)
+, MouseProp(..)
+, MousePos
+, MouseDelta
+)
 where
 
 import           Spear.Game
@@ -78,7 +78,7 @@ data Window = Window
 
 
 withWindow :: MonadIO io => Dimensions -> WindowTitle -> (Window -> IO a) -> io a
-withWindow dim@(w, h) windowTitle run = liftIO $ do
+withWindow dim windowTitle run = liftIO $ do
   window <- do
     success <- GLFW.init
     unless success $ throw (WindowException "GLFW.initialize failed")
@@ -149,6 +149,10 @@ swapBuffers = liftIO . GLFW.swapBuffers . glfwWindow
 getWindowSize :: MonadIO io => Window -> io (Width, Height)
 getWindowSize = liftIO . GLFW.getWindowSize . glfwWindow
 
+-- | Get the window's framebuffer size.
+getFramebufferSize :: MonadIO io => Window -> io (Width, Height)
+getFramebufferSize = liftIO . GLFW.getFramebufferSize . glfwWindow
+
 getRequest :: MVar Bool -> IO Bool
 getRequest mvar =
   tryTakeMVar mvar >>= \x -> return $ fromMaybe False x
-- 
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