From 8cdecad237343f5c955d17df3a78e41fa1f2d56c Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Date: Sun, 16 Jan 2022 00:22:40 -0500
Subject: gnu: jami: Use OpenGL, not OpenGL ES.

This may yield better performance.

* gnu/packages/jami.scm (jami)[phases]{use-desktop-opengl}: New phase.
---
 gnu/packages/jami.scm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/jami.scm b/gnu/packages/jami.scm
index 21b5e946f1..9fcf55815b 100644
--- a/gnu/packages/jami.scm
+++ b/gnu/packages/jami.scm
@@ -587,7 +587,14 @@ decentralized calling using P2P-DHT.")
                (("// clang-format on.*" anchor)
                 (string-append "const char VERSION_STRING[] = \""
                                ,version "\";\n"
-                               anchor))))))))
+                               anchor)))))
+         (add-after 'change-directory/maybe 'use-desktop-opengl
+           ;; TODO: Remove after next release; this is no longer specified in
+           ;; the source following the update to Qt 6.
+           (lambda _
+             (substitute* "src/main.cpp"
+               (("Qt::AA_UseOpenGLES")
+                "Qt::AA_UseDesktopOpenGL")))))))
     (native-inputs
      (list pkg-config python qttools doxygen graphviz))
     (inputs
-- 
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