From: Timm Bäder <mail@baedert.org>
Date: Tue, 17 Dec 2019 08:06:15 +0000 (+0100)
Subject: GdkGLContext: check for GL_KHR_debug for GL debug output
X-Git-Tag: archive/raspbian/4.4.1+ds1-2+rpi1~1^2~321^2^2~431
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=2cbfb0e980348cb9cfd1184fea2eec2763aa1ca3;p=gtk4.git

GdkGLContext: check for GL_KHR_debug for GL debug output

This is available in GLES.
---

diff --git a/gdk/gdkglcontext.c b/gdk/gdkglcontext.c
index 9f3ea5d938..ddf9cd3f95 100644
--- a/gdk/gdkglcontext.c
+++ b/gdk/gdkglcontext.c
@@ -955,7 +955,8 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
   if (priv->use_es < 0)
     priv->use_es = !epoxy_is_desktop_gl ();
 
-  priv->has_debug_output = epoxy_has_gl_extension ("GL_ARB_debug_output");
+  priv->has_debug_output = epoxy_has_gl_extension ("GL_ARB_debug_output") ||
+                           epoxy_has_gl_extension ("GL_KHR_debug");
 
 #ifdef G_ENABLE_CONSISTENCY_CHECKS
   if (priv->has_debug_output)