[retro-gtk] video-fitler: Add the count value

[Adrien Plazas <aplazas src gnome org>]

commit e5990568d4c72a545270219fce85eca1e61afa0c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Oct 15 09:36:05 2017 +0200

    video-fitler: Add the count value
    
    This will be used in the next commit to loop through all the video
    filter types.

 retro-gtk/retro-video-filter.c |    1 +
 retro-gtk/retro-video-filter.h |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/retro-gtk/retro-video-filter.c b/retro-gtk/retro-video-filter.c
index cbff527..e98efb2 100644
--- a/retro-gtk/retro-video-filter.c
+++ b/retro-gtk/retro-video-filter.c
@@ -41,6 +41,7 @@ retro_video_filter_get_type (void)
     static const GEnumValue values[] = {
       { RETRO_VIDEO_FILTER_SMOOTH, "RETRO_VIDEO_FILTER_SMOOTH", "smooth" },
       { RETRO_VIDEO_FILTER_SHARP, "RETRO_VIDEO_FILTER_SHARP", "sharp" },
+      { RETRO_VIDEO_FILTER_COUNT, "RETRO_VIDEO_FILTER_COUNT", "count" },
       { 0, NULL, NULL },
     };
     GType type;
diff --git a/retro-gtk/retro-video-filter.h b/retro-gtk/retro-video-filter.h
index 7eb6f53..dab9070 100644
--- a/retro-gtk/retro-video-filter.h
+++ b/retro-gtk/retro-video-filter.h
@@ -19,6 +19,7 @@ GType retro_video_filter_get_type (void) G_GNUC_CONST;
  * RetroVideoFilter:
  * @RETRO_VIDEO_FILTER_SMOOTH: a smooth but blurry video filer
  * @RETRO_VIDEO_FILTER_SHARP: a sharp video filter showing every pixel
+ * @RETRO_VIDEO_FILTER_COUNT: the number of video filters
  *
  * Represents the filters that can be applied to the video output.
  */
@@ -26,6 +27,7 @@ typedef enum
 {
   RETRO_VIDEO_FILTER_SMOOTH,
   RETRO_VIDEO_FILTER_SHARP,
+  RETRO_VIDEO_FILTER_COUNT,
 } RetroVideoFilter;
 
 RetroVideoFilter retro_video_filter_from_string (const gchar *filter);