[GStreamer] Can't play any video with GSTREAMER_GL enabled

https://bugs.webkit.org/show_bug.cgi?id=162669

Reviewed by Philippe Normand.

Make sure an EGLDisplay type is passed when creating the GstGlDisplay
for the EGL code path, instead of a native X11 display type, so
that we get a valid GstGlDisplay as a result, not a dummy one.

* platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp:
(WebCore::MediaPlayerPrivateGStreamerBase::ensureGstGLContext):

Canonical link: https://commits.webkit.org/180912@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@206859 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

@@ -1,3 +1,17 @@
+2016-10-06  Mario Sanchez Prada  <mario@endlessm.com>
+
+        [GStreamer] Can't play any video with GSTREAMER_GL enabled
+        https://bugs.webkit.org/show_bug.cgi?id=162669
+
+        Reviewed by Philippe Normand.
+
+        Make sure an EGLDisplay type is passed when creating the GstGlDisplay
+        for the EGL code path, instead of a native X11 display type, so
+        that we get a valid GstGlDisplay as a result, not a dummy one.
+
+        * platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp:
+        (WebCore::MediaPlayerPrivateGStreamerBase::ensureGstGLContext):
+
 2016-10-06  Youenn Fablet  <youenn@apple.com>
 
         [Fetch API] Forbid redirection to non-HTTP(s) URL in non-navigation mode.

Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp

@@ -262,13 +262,13 @@ bool MediaPlayerPrivateGStreamerBase::ensureGstGLContext()
             m_glDisplay = GST_GL_DISPLAY(gst_gl_display_x11_new_with_display(downcast<PlatformDisplayX11>(sharedDisplay).native()));
 #elif USE(EGL)
         if (is<PlatformDisplayX11>(sharedDisplay))
-            m_glDisplay = GST_GL_DISPLAY(gst_gl_display_egl_new_with_egl_display(downcast<PlatformDisplayX11>(sharedDisplay).native()));
+            m_glDisplay = GST_GL_DISPLAY(gst_gl_display_egl_new_with_egl_display(downcast<PlatformDisplayX11>(sharedDisplay).eglDisplay()));
 #endif
 #endif
 
 #if PLATFORM(WAYLAND)
         if (is<PlatformDisplayWayland>(sharedDisplay))
-            m_glDisplay = GST_GL_DISPLAY(gst_gl_display_egl_new_with_egl_display(downcast<PlatformDisplayWayland>(sharedDisplay).native()));
+            m_glDisplay = GST_GL_DISPLAY(gst_gl_display_egl_new_with_egl_display(downcast<PlatformDisplayWayland>(sharedDisplay).eglDisplay()));
 #endif
 
         ASSERT(m_glDisplay);