From 33a404b796fe85485ebf8ca6c1f0dfe25fe99485 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Sun, 23 Mar 2025 18:33:17 +0100
Subject: fix texture argb to rgba conversion

---
 src/classes/texture2d.rs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'src/classes/texture2d.rs')

diff --git a/src/classes/texture2d.rs b/src/classes/texture2d.rs
index 9ad2a1d..8f87625 100644
--- a/src/classes/texture2d.rs
+++ b/src/classes/texture2d.rs
@@ -41,7 +41,15 @@ impl Texture2D {
         use TextureFormat::*;
         let u32_rgba_buf_to_image = |buf: Vec<u32>| {
             let buf = buf.into_iter().flat_map(u32::to_be_bytes).collect();
-            let im = ImageBuffer::<Rgba<u8>, Vec<_>>::from_raw(w as u32, h as u32, buf).unwrap();
+            let mut im =
+                ImageBuffer::<Rgba<u8>, Vec<_>>::from_raw(w as u32, h as u32, buf).unwrap();
+            for p in im.pixels_mut() {
+                let a = p.0[0];
+                p.0[0] = p.0[1];
+                p.0[1] = p.0[2];
+                p.0[2] = p.0[3];
+                p.0[3] = a;
+            }
             im.into()
         };
         match self.format {
@@ -87,16 +95,26 @@ impl Texture2D {
                 Ok(im.into())
             }
             DXT1Crunched | DXT5Crunched => {
+                info!(
+                    "decompressing {w}x{h} crunched {} texture",
+                    match self.format {
+                        DXT1Crunched => "DXT1",
+                        DXT5Crunched => "DXT5",
+                        _ => unreachable!(),
+                    }
+                );
                 let mut buf = vec![0u32; w * h];
                 texture2ddecoder::decode_unity_crunch(&self.image_data, w, h, &mut buf).unwrap();
                 Ok(u32_rgba_buf_to_image(buf))
             }
             BC7 => {
+                info!("decompressing {w}x{h} BC7 texture",);
                 let mut buf = vec![0u32; w * h];
                 texture2ddecoder::decode_bc7(&self.image_data, w, h, &mut buf).unwrap();
                 Ok(u32_rgba_buf_to_image(buf))
             }
             BC6H => {
+                info!("decompressing {w}x{h} BC6H texture",);
                 let mut buf = vec![0u32; w * h];
                 texture2ddecoder::decode_bc6(&self.image_data, w, h, &mut buf, false).unwrap();
                 Ok(u32_rgba_buf_to_image(buf))
-- 
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