From 571ed740dde86621f85af4a6eb6d46d4e75a8bb4 Mon Sep 17 00:00:00 2001
From: modeco80 <lily.modeco80@protonmail.ch>
Date: Mon, 5 Aug 2024 09:01:54 -0400
Subject: [PATCH] swap GL frames to bgra

---
 crates/retrovnc/src/rfb.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/crates/retrovnc/src/rfb.rs b/crates/retrovnc/src/rfb.rs
index 38e6f3b..edd16a6 100644
--- a/crates/retrovnc/src/rfb.rs
+++ b/crates/retrovnc/src/rfb.rs
@@ -132,6 +132,16 @@ impl RfbServer {
 					&mut self.framebuffer[dest_line_off..dest_line_off + self.width as usize];
 
 				dest_slice.copy_from_slice(scanlines[y as usize]);
+
+				// swap scanline to BGRA (compatibility hack. Should make this optional!)
+				for pix in dest_slice {
+					let a = ((*pix & 0xff000000) >> 24);
+					let b = ((*pix & 0x00ff0000) >> 16);
+					let g = ((*pix & 0x0000ff00) >> 8);
+					let r = (*pix & 0x000000ff);
+
+					*pix = a << 24 | r << 16 | g << 8 | b;
+				}
 			}
 		} else {
 			for y in 0..self.height {