[retro-gtk/wip/aplazas/gl-display-2] Add traces

[Adrien Plazas <aplazas src gnome org>]

commit f1f9c440bfe25b53e66df41d0c44f12b55cbb689
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sat Nov 18 13:04:38 2017 +0100

    Add traces

 retro-gtk/retro-gl-display.c |    5 +++++
 retro-gtk/retro-pixdata.c    |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/retro-gtk/retro-gl-display.c b/retro-gtk/retro-gl-display.c
index 61cdd56..2f73b93 100644
--- a/retro-gtk/retro-gl-display.c
+++ b/retro-gtk/retro-gl-display.c
@@ -416,6 +416,11 @@ retro_gl_display_on_video_output (RetroCore    *sender,
 
   g_return_if_fail (RETRO_IS_GL_DISPLAY (self));
 
+  g_message ("video output pidxdata %p", pixdata);
+
+  if (pixdata == NULL)
+    return;
+
   self->aspect_ratio = retro_pixdata_get_aspect_ratio (pixdata);
   retro_gl_display_set_pixdata (self, pixdata);
 }
diff --git a/retro-gtk/retro-pixdata.c b/retro-gtk/retro-pixdata.c
index 37d6367..2981054 100644
--- a/retro-gtk/retro-pixdata.c
+++ b/retro-gtk/retro-pixdata.c
@@ -385,7 +385,7 @@ retro_pixdata_load_gl_texture (RetroPixdata *self)
     break;
   case RETRO_PIXEL_FORMAT_RGB565:
     g_message ("RGB565 stride %llux%llu stride %llu", self->width, self->height, self->rowstride);
-    format = GL_BGR;
+    format = GL_RGB;
     type =  GL_UNSIGNED_SHORT_5_6_5;
 
     break;