[kwin] [Bug 443951] 5.23.0 Has Horrible Compositing Issues - Black Boxes and Flickering showing up

[Vlad Zahorodnii]

https://bugs.kde.org/show_bug.cgi?id=443951

--- Comment #27 from Vlad Zahorodnii <vlad.zahorod...@kde.org> ---
Correction: m_vbo is an instance property. The issue seems to affect s_fbo.
With the following patch

diff --git a/src/libkwineffects/kwingltexture.cpp
b/src/libkwineffects/kwingltexture.cpp
index de08572ef..3e3c0fb8d 100644
--- a/src/libkwineffects/kwingltexture.cpp
+++ b/src/libkwineffects/kwingltexture.cpp
@@ -334,6 +334,10 @@ void GLTexturePrivate::cleanup()
 {
     s_supportsFramebufferObjects = false;
     s_supportsARGB32 = false;
+    if (s_fbo) {
+        glDeleteFramebuffers(1, &s_fbo);
+        s_fbo = 0;
+    }
 }

 bool GLTexture::isNull() const

I can't reproduce the bug.

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