[gtk+/wip/ebassi/gles: 3/11] wayland: Add debugging notes for EGL context creation

[Emmanuele Bassi <ebassi src gnome org>]

commit a736d1cbe905ccff78df7b5fab39bde108e05881
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Apr 22 18:50:50 2016 +0100

    wayland: Add debugging notes for EGL context creation

 gdk/wayland/gdkglcontext-wayland.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkglcontext-wayland.c b/gdk/wayland/gdkglcontext-wayland.c
index e61b24d..8ae3942 100644
--- a/gdk/wayland/gdkglcontext-wayland.c
+++ b/gdk/wayland/gdkglcontext-wayland.c
@@ -162,6 +162,13 @@ gdk_wayland_gl_context_realize (GdkGLContext *context,
   context_attribs[i++] = EGL_NONE;
   g_assert (i < N_EGL_ATTRS);
 
+  GDK_NOTE (OPENGL, g_message ("Creating EGL context version %d.%d (debug:%s, forward:%s, legacy:%s, es:%s)",
+                               major, minor,
+                               debug_bit ? "yes" : "no",
+                               forward_bit ? "yes" : "no",
+                               legacy_bit ? "yes" : "no",
+                               use_es ? "yes" : "no"));
+
   ctx = eglCreateContext (display_wayland->egl_display,
                           context_wayland->egl_config,
                           share != NULL ? GDK_WAYLAND_GL_CONTEXT (share)->egl_context
@@ -178,7 +185,9 @@ gdk_wayland_gl_context_realize (GdkGLContext *context,
       context_attribs[5] = 0;
 
       legacy_bit = TRUE;
+      use_es = FALSE;
 
+      GDK_NOTE (OPENGL, g_message ("eglCreateContext failed, switching to legacy"));
       ctx = eglCreateContext (display_wayland->egl_display,
                               context_wayland->egl_config,
                               share != NULL ? GDK_WAYLAND_GL_CONTEXT (share)->egl_context