[gtk/matthiasc/for-master: 1/2] gl: Install the debug message callback for gl-debug

[Matthias Clasen <matthiasc src gnome org>]

commit 7311464c67ea1d67c1e64f867ffe8d4fc401629a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 5 14:08:55 2020 -0400

    gl: Install the debug message callback for gl-debug
    
    Always install the debug message callback when we can
    and GDK_DEBUG=gl-debug is specified. Previously, we
    were only installing the callback when the build was
    a non-optimized debug build.

 gdk/gdkglcontext.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)
---
diff --git a/gdk/gdkglcontext.c b/gdk/gdkglcontext.c
index 71a854816b..01c67688f2 100644
--- a/gdk/gdkglcontext.c
+++ b/gdk/gdkglcontext.c
@@ -864,7 +864,7 @@ gdk_gl_context_get_use_es (GdkGLContext *context)
   return priv->use_es > 0;
 }
 
-#ifdef G_ENABLE_CONSISTENCY_CHECKS
+#ifdef G_ENABLE_DEBUG
 static void
 gl_debug_message_callback (GLenum        source,
                            GLenum        type,
@@ -1008,8 +1008,11 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
   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)
+#ifdef G_ENABLE_DEBUG
+  display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context));
+  gl_debug = GDK_DISPLAY_DEBUG_CHECK (display, GL_DEBUG);
+
+  if (priv->has_debug_output && gl_debug)
     {
       gdk_gl_context_make_current (context);
       glEnable (GL_DEBUG_OUTPUT);
@@ -1039,11 +1042,6 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
         priv->is_legacy = TRUE;
     }
 
-#ifdef G_ENABLE_DEBUG
-  display = gdk_draw_context_get_display (GDK_DRAW_CONTEXT (context));
-  gl_debug = GDK_DISPLAY_DEBUG_CHECK (display, GL_DEBUG);
-#endif
-
   if (priv->has_khr_debug && gl_debug)
     {
       priv->use_khr_debug = TRUE;