From bf17388f639a839ec607e044fb7d2b785ac9c765 Mon Sep 17 00:00:00 2001
From: Julien Isorce <julien.isorce@gmail.com>
Date: Wed, 20 Aug 2008 15:47:51 +0200
Subject: [PATCH] [204/906] get ride of a bug on ATI related to YV12 to rgb
 conversion through GLSL and add an example

---
 gst-libs/gst/gl/gstgldisplay.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/gst-libs/gst/gl/gstgldisplay.c b/gst-libs/gst/gl/gstgldisplay.c
index 147ab7de8d..4aa6488c5d 100644
--- a/gst-libs/gst/gl/gstgldisplay.c
+++ b/gst-libs/gst/gl/gstgldisplay.c
@@ -2425,8 +2425,17 @@ gst_gl_display_thread_do_upload_fill (GstGLDisplay *display)
     //So we have to set a display->hardware (ATI o/ NVIDIA) and
     //etc...
     case GST_VIDEO_FORMAT_YV12:
-      offsetU = 2;
-      offsetV = 1;
+
+      if (g_ascii_strncasecmp ("ATI", (gchar *) glGetString (GL_VENDOR), 3) == 0)
+      {
+        offsetU = 2;
+        offsetV = 1;
+      }
+      else
+      {
+        offsetU = 1;
+        offsetV = 2;
+      }
       break;
     default:
       g_assert_not_reached ();