From 86dfdf083bf4f5b4bb074e850e85a3b133210d38 Mon Sep 17 00:00:00 2001
From: Olivier Perret <Olivier.Perret@mailbox.org>
Date: Sat, 2 Apr 2022 12:21:45 +0200
Subject: [PATCH] egl_helpers: request at least 8 alpha bits if necessary

Previously on wayland, it would result in an egl config with only 2 alpha
bits, which technically matches what was requested, but is not very useful.
Fixes #9862
---
 video/out/opengl/egl_helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/video/out/opengl/egl_helpers.c b/video/out/opengl/egl_helpers.c
index b3e11c6f43..3bf6239e41 100644
--- a/video/out/opengl/egl_helpers.c
+++ b/video/out/opengl/egl_helpers.c
@@ -132,7 +132,7 @@ static bool create_context(struct ra_ctx *ctx, EGLDisplay display,
         EGL_RED_SIZE, 8,
         EGL_GREEN_SIZE, 8,
         EGL_BLUE_SIZE, 8,
-        EGL_ALPHA_SIZE, ctx->opts.want_alpha ? 1 : 0,
+        EGL_ALPHA_SIZE, ctx->opts.want_alpha ? 8 : 0,
         EGL_RENDERABLE_TYPE, rend,
         EGL_NONE
     };