From 1ab61ce9bbe17dd1a42ac53bcb0186bf974654b8 Mon Sep 17 00:00:00 2001
From: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Date: Wed, 13 Oct 2021 08:56:34 +0200
Subject: [PATCH] Implement bytemuck for epaint::Rgba

Closes https://github.com/emilk/egui/pull/784
---
 epaint/src/color.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/epaint/src/color.rs b/epaint/src/color.rs
index 47374ca9..42673447 100644
--- a/epaint/src/color.rs
+++ b/epaint/src/color.rs
@@ -185,8 +185,10 @@ impl Color32 {
 // ----------------------------------------------------------------------------
 
 /// 0-1 linear space `RGBA` color with premultiplied alpha.
+#[repr(C)]
 #[derive(Clone, Copy, Debug, Default, PartialEq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "bytemuck", derive(bytemuck::Pod, bytemuck::Zeroable))]
 pub struct Rgba(pub(crate) [f32; 4]);
 
 impl std::ops::Index<usize> for Rgba {