From d8da7a4eaa4a61b2f0c379fb0d6ce9d7dd0b6d2d Mon Sep 17 00:00:00 2001
From: Asahi Lina <lina@asahilina.net>
Date: Wed, 21 Dec 2022 00:53:29 +0900
Subject: [PATCH] kwinglutils: Restore the default FB when the last FBO is
 unbound

Fixes GL warnings in GbmSurface::makeContextCurrent() when using
screencasting.
---
 src/libkwineffects/kwinglutils.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libkwineffects/kwinglutils.cpp b/src/libkwineffects/kwinglutils.cpp
index 601b4d6abf..5fa38bd28c 100644
--- a/src/libkwineffects/kwinglutils.cpp
+++ b/src/libkwineffects/kwinglutils.cpp
@@ -983,6 +983,8 @@ GLFramebuffer *GLFramebuffer::popFramebuffer()
     GLFramebuffer *ret = s_fbos.pop();
     if (!s_fbos.isEmpty()) {
         s_fbos.top()->bind();
+    } else {
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
     }
 
     return ret;