[GStreamer] Create a Wayland GL display instead of EGL

https://bugs.webkit.org/show_bug.cgi?id=182968

Reviewed by Xabier Rodriguez-Calvar.

* platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp:
(WebCore::MediaPlayerPrivateGStreamerBase::ensureGstGLContext):
Add logging and instantiate a GstDisplayWayland display instead of
an EGL display when running under a Wayland compositor.

Canonical link: https://commits.webkit.org/198744@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@228866 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

@@ -1,3 +1,15 @@
+2018-02-21  Philippe Normand  <pnormand@igalia.com>
+
+        [GStreamer] Create a Wayland GL display instead of EGL
+        https://bugs.webkit.org/show_bug.cgi?id=182968
+
+        Reviewed by Xabier Rodriguez-Calvar.
+
+        * platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp:
+        (WebCore::MediaPlayerPrivateGStreamerBase::ensureGstGLContext):
+        Add logging and instantiate a GstDisplayWayland display instead of
+        an EGL display when running under a Wayland compositor.
+
 2018-02-21  Zalan Bujtas  <zalan@apple.com>
 
         [RenderTreeBuilder] Move RenderFullScreen::willBeRemoved() mutation logic to RenderTreeBuilder

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

@@ -93,6 +93,7 @@
 
 #if PLATFORM(WAYLAND)
 #include "PlatformDisplayWayland.h"
+#include <gst/gl/wayland/gstgldisplay_wayland.h>
 #elif PLATFORM(WPE)
 #include "PlatformDisplayWPE.h"
 #endif
@@ -436,24 +437,32 @@ bool MediaPlayerPrivateGStreamerBase::ensureGstGLContext()
         return true;
 
     auto& sharedDisplay = PlatformDisplay::sharedDisplayForCompositing();
+
     if (!m_glDisplay) {
 #if PLATFORM(X11)
 #if USE(GLX)
-        if (is<PlatformDisplayX11>(sharedDisplay))
+        if (is<PlatformDisplayX11>(sharedDisplay)) {
+            GST_DEBUG("Creating X11 shared GL display");
             m_glDisplay = GST_GL_DISPLAY(gst_gl_display_x11_new_with_display(downcast<PlatformDisplayX11>(sharedDisplay).native()));
+        }
 #elif USE(EGL)
-        if (is<PlatformDisplayX11>(sharedDisplay))
+        if (is<PlatformDisplayX11>(sharedDisplay)) {
+            GST_DEBUG("Creating X11 shared EGL display");
             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).eglDisplay()));
+        if (is<PlatformDisplayWayland>(sharedDisplay)) {
+            GST_DEBUG("Creating Wayland shared display");
+            m_glDisplay = GST_GL_DISPLAY(gst_gl_display_wayland_new_with_display(downcast<PlatformDisplayWayland>(sharedDisplay).native()));
+        }
 #endif
 
 #if PLATFORM(WPE)
         ASSERT(is<PlatformDisplayWPE>(sharedDisplay));
+        GST_DEBUG("Creating WPE shared EGL display");
         m_glDisplay = GST_GL_DISPLAY(gst_gl_display_egl_new_with_egl_display(downcast<PlatformDisplayWPE>(sharedDisplay).eglDisplay()));
 #endif