From 5b3248ec5a985a753b88b59d3c63b9dff4971d21 Mon Sep 17 00:00:00 2001
From: Gwilym Inzani <email@gwilym.dev>
Date: Wed, 6 Sep 2023 08:51:47 +0100
Subject: [PATCH] Massively improve the code generation around tile sizes

---
 agb/src/display/tiled/vram_manager.rs | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/agb/src/display/tiled/vram_manager.rs b/agb/src/display/tiled/vram_manager.rs
index d5526d35..059e8a8e 100644
--- a/agb/src/display/tiled/vram_manager.rs
+++ b/agb/src/display/tiled/vram_manager.rs
@@ -29,19 +29,15 @@ const fn layout_of(format: TileFormat) -> Layout {
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
-#[repr(C)]
 pub enum TileFormat {
-    FourBpp = 0,
-    EightBpp = 1,
+    FourBpp = 5,
+    EightBpp = 6,
 }
 
 impl TileFormat {
     /// Returns the size of the tile in bytes
     pub(crate) const fn tile_size(self) -> usize {
-        match self {
-            TileFormat::FourBpp => 8 * 8 / 2,
-            TileFormat::EightBpp => 8 * 8,
-        }
+        1 << self as usize
     }
 }