[mutter] egl: Expose .._has_extensions_..() function

[Jonas Ådahl <jadahl src gnome org>]

commit b32cccddf9a1a3a365a6d034beedd0ca1c8f53d6
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Jul 24 15:56:59 2017 +0800

    egl: Expose .._has_extensions_..() function
    
    It will be used by e.g. a future GLES helper unit needing similar
    functionality.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785381

 src/backends/meta-egl.c |   28 +++++++++++++++-------------
 src/backends/meta-egl.h |    6 ++++++
 2 files changed, 21 insertions(+), 13 deletions(-)
---
diff --git a/src/backends/meta-egl.c b/src/backends/meta-egl.c
index abf38c8..3031e9b 100644
--- a/src/backends/meta-egl.c
+++ b/src/backends/meta-egl.c
@@ -160,11 +160,11 @@ set_egl_error (GError **error)
                        error_str);
 }
 
-static gboolean
-extensions_string_has_extensions_valist (const char *extensions_str,
-                                         char     ***missing_extensions,
-                                         char       *first_extension,
-                                         va_list     var_args)
+gboolean
+meta_extensions_string_has_extensions_valist (const char *extensions_str,
+                                              char     ***missing_extensions,
+                                              char       *first_extension,
+                                              va_list     var_args)
 {
   char **extensions;
   char *extension;
@@ -222,10 +222,11 @@ meta_egl_has_extensions (MetaEgl   *egl,
     }
 
   va_start (var_args, first_extension);
-  has_extensions = extensions_string_has_extensions_valist (extensions_str,
-                                                            missing_extensions,
-                                                            first_extension,
-                                                            var_args);
+  has_extensions =
+    meta_extensions_string_has_extensions_valist (extensions_str,
+                                                  missing_extensions,
+                                                  first_extension,
+                                                  var_args);
   va_end (var_args);
 
   return has_extensions;
@@ -479,10 +480,11 @@ meta_egl_egl_device_has_extensions (MetaEgl     *egl,
     }
 
   va_start (var_args, first_extension);
-  has_extensions = extensions_string_has_extensions_valist (extensions_str,
-                                                            missing_extensions,
-                                                            first_extension,
-                                                            var_args);
+  has_extensions =
+    meta_extensions_string_has_extensions_valist (extensions_str,
+                                                  missing_extensions,
+                                                  first_extension,
+                                                  var_args);
   va_end (var_args);
 
   return has_extensions;
diff --git a/src/backends/meta-egl.h b/src/backends/meta-egl.h
index 8726345..881ccb7 100644
--- a/src/backends/meta-egl.h
+++ b/src/backends/meta-egl.h
@@ -36,6 +36,12 @@ G_DECLARE_FINAL_TYPE (MetaEgl, meta_egl, META, EGL, GObject)
 
 GQuark meta_egl_error_quark (void);
 
+gboolean
+meta_extensions_string_has_extensions_valist (const char *extensions_str,
+                                              char     ***missing_extensions,
+                                              char       *first_extension,
+                                              va_list     var_args);
+
 gboolean meta_egl_has_extensions (MetaEgl   *egl,
                                   EGLDisplay display,
                                   char    ***missing_extensions,