From fbe784c8e35649007ef64411be7174d787de1739 Mon Sep 17 00:00:00 2001
From: Erik Reider <35975961+ErikReider@users.noreply.github.com>
Date: Sun, 18 Dec 2022 10:44:51 +0100
Subject: [PATCH] Fixed shadow alpha blending

---
 sway/desktop/fx_renderer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sway/desktop/fx_renderer.c b/sway/desktop/fx_renderer.c
index f5c86480..ff01242a 100644
--- a/sway/desktop/fx_renderer.c
+++ b/sway/desktop/fx_renderer.c
@@ -585,6 +585,8 @@ void fx_render_box_shadow(struct fx_renderer *renderer, const struct wlr_box *bo
 	// who uses opaque shadows with zero sigma), so just enable it
 	glEnable(GL_BLEND);
 
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
 	glUseProgram(renderer->shaders.box_shadow.program);
 
 	glUniformMatrix3fv(renderer->shaders.box_shadow.proj, 1, GL_FALSE, gl_matrix);