[cogl/wip/runtime-egl-platform: 5/8] winsys: Move Wayland-specific code out of the EGL winsys

From: Neil Roberts <nroberts src gnome org>
To: commits-list gnome org
Cc:
Subject: [cogl/wip/runtime-egl-platform: 5/8] winsys: Move Wayland-specific code out of the EGL winsys
Date: Mon, 12 Dec 2011 19:53:30 +0000 (UTC)
commit 8f2b184479274813e59edc8be39c33245136d368
Author: Neil Roberts <neil linux intel com>
Date:   Mon Dec 12 17:31:27 2011 +0000

    winsys: Move Wayland-specific code out of the EGL winsys
    
    All of the Wayland-specific code now lives in the EGL_WAYLAND winsys.

 cogl/winsys/cogl-winsys-egl-private.h |   20 --
 cogl/winsys/cogl-winsys-egl-wayland.c |  487 ++++++++++++++++++++++++++++++++-
 cogl/winsys/cogl-winsys-egl.c         |  342 +-----------------------
 3 files changed, 489 insertions(+), 360 deletions(-)
---
diff --git a/cogl/winsys/cogl-winsys-egl-private.h b/cogl/winsys/cogl-winsys-egl-private.h
index 95fc011..9a0a643 100644
--- a/cogl/winsys/cogl-winsys-egl-private.h
+++ b/cogl/winsys/cogl-winsys-egl-private.h
@@ -28,10 +28,6 @@
 #include "cogl-winsys-private.h"
 #include "cogl-context.h"
 #include "cogl-context-private.h"
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-#include <wayland-client.h>
-#include <wayland-egl.h>
-#endif
 
 typedef struct _CoglWinsysEGLVtable
 {
@@ -81,12 +77,6 @@ typedef struct _CoglRendererEGL
 {
   CoglEGLWinsysFeature private_features;
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-  struct wl_display *wayland_display;
-  struct wl_compositor *wayland_compositor;
-  struct wl_shell *wayland_shell;
-#endif
-
   EGLDisplay edpy;
 
   EGLint egl_version_major;
@@ -120,10 +110,6 @@ typedef struct _CoglDisplayEGL
 {
   EGLContext egl_context;
   EGLSurface dummy_surface;
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-  struct wl_surface *wayland_surface;
-  struct wl_egl_window *wayland_egl_native_window;
-#endif
 #if defined (COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT) || \
   defined (COGL_HAS_EGL_PLATFORM_GDL_SUPPORT) ||            \
   defined (COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT) ||        \
@@ -149,12 +135,6 @@ typedef struct _CoglContextEGL
 
 typedef struct _CoglOnscreenEGL
 {
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-  struct wl_egl_window *wayland_egl_native_window;
-  struct wl_surface *wayland_surface;
-  struct wl_shell_surface *wayland_shell_surface;
-#endif
-
   EGLSurface egl_surface;
 
   /* Platform specific data */
diff --git a/cogl/winsys/cogl-winsys-egl-wayland.c b/cogl/winsys/cogl-winsys-egl-wayland.c
index cb4766e..0b7ff26 100644
--- a/cogl/winsys/cogl-winsys-egl-wayland.c
+++ b/cogl/winsys/cogl-winsys-egl-wayland.c
@@ -29,8 +29,487 @@
 #include "config.h"
 #endif
 
+#include <wayland-client.h>
+#include <wayland-egl.h>
+#include <string.h>
+
 #include "cogl-winsys-egl-wayland-private.h"
 #include "cogl-winsys-egl-private.h"
+#include "cogl-renderer-private.h"
+#include "cogl-onscreen-private.h"
+
+static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable;
+
+static const CoglWinsysVtable *parent_vtable;
+
+typedef struct _CoglRendererWayland
+{
+  struct wl_display *wayland_display;
+  struct wl_compositor *wayland_compositor;
+  struct wl_shell *wayland_shell;
+} CoglRendererWayland;
+
+typedef struct _CoglDisplayWayland
+{
+  struct wl_surface *wayland_surface;
+  struct wl_egl_window *wayland_egl_native_window;
+} CoglDisplayWayland;
+
+typedef struct _CoglOnscreenWayland
+{
+  struct wl_egl_window *wayland_egl_native_window;
+  struct wl_surface *wayland_surface;
+  struct wl_shell_surface *wayland_shell_surface;
+} CoglOnscreenWayland;
+
+static void
+display_handle_global_cb (struct wl_display *display,
+                          uint32_t id,
+                          const char *interface,
+                          uint32_t version,
+                          void *data)
+{
+  CoglRendererEGL *egl_renderer = (CoglRendererEGL *)data;
+  CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+
+  if (strcmp (interface, "wl_compositor") == 0)
+    wayland_renderer->wayland_compositor =
+      wl_display_bind (display, id, &wl_compositor_interface);
+  else if (strcmp(interface, "wl_shell") == 0)
+    wayland_renderer->wayland_shell =
+      wl_display_bind (display, id, &wl_shell_interface);
+}
+
+static void
+_cogl_winsys_renderer_disconnect (CoglRenderer *renderer)
+{
+  CoglRendererEGL *egl_renderer = renderer->winsys;
+
+  eglTerminate (egl_renderer->edpy);
+
+  g_slice_free (CoglRendererWayland, egl_renderer->platform);
+  g_slice_free (CoglRendererEGL, egl_renderer);
+}
+
+static gboolean
+_cogl_winsys_renderer_connect (CoglRenderer *renderer,
+                               GError **error)
+{
+  CoglRendererEGL *egl_renderer;
+  CoglRendererWayland *wayland_renderer;
+
+  renderer->winsys = g_slice_new0 (CoglRendererEGL);
+  egl_renderer = renderer->winsys;
+  wayland_renderer = g_slice_new0 (CoglRendererWayland);
+  egl_renderer->platform = wayland_renderer;
+
+  egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable;
+
+  /* The EGL API doesn't provide for a way to explicitly select a
+   * platform when the driver can support multiple. Mesa allows
+   * selection using an environment variable though so that's what
+   * we're doing here... */
+  g_setenv ("EGL_PLATFORM", "wayland", 1);
+
+  if (renderer->foreign_wayland_display)
+    {
+      wayland_renderer->wayland_display = renderer->foreign_wayland_display;
+      /* XXX: For now we have to assume that if a foreign display is
+       * given then a foreign compositor and shell must also have been
+       * given because wayland doesn't provide a way to
+       * retrospectively be notified of the these objects. */
+      g_assert (renderer->foreign_wayland_compositor);
+      g_assert (renderer->foreign_wayland_shell);
+      wayland_renderer->wayland_compositor =
+        renderer->foreign_wayland_compositor;
+      wayland_renderer->wayland_shell = renderer->foreign_wayland_shell;
+    }
+  else
+    {
+      wayland_renderer->wayland_display = wl_display_connect (NULL);
+      if (!wayland_renderer->wayland_display)
+        {
+          g_set_error (error, COGL_WINSYS_ERROR,
+                       COGL_WINSYS_ERROR_INIT,
+                       "Failed to connect wayland display");
+          goto error;
+        }
+
+      wl_display_add_global_listener (wayland_renderer->wayland_display,
+                                      display_handle_global_cb,
+                                      egl_renderer);
+    }
+
+  /*
+   * Ensure that that we've received the messages setting up the
+   * compostor and shell object. This is better than just
+   * wl_display_iterate since it will always ensure that something
+   * is available to be read
+   */
+  while (!(wayland_renderer->wayland_compositor &&
+           wayland_renderer->wayland_shell))
+    wl_display_roundtrip (wayland_renderer->wayland_display);
+
+  egl_renderer->edpy =
+    eglGetDisplay ((EGLNativeDisplayType) wayland_renderer->wayland_display);
+
+  if (!_cogl_winsys_egl_renderer_connect_common (renderer, error))
+    goto error;
+
+  return TRUE;
+
+error:
+  _cogl_winsys_renderer_disconnect (renderer);
+  return FALSE;
+}
+
+static gboolean
+_cogl_winsys_egl_display_setup (CoglDisplay *display,
+                                GError **error)
+{
+  CoglDisplayEGL *egl_display = display->winsys;
+  CoglDisplayWayland *wayland_display;
+
+  wayland_display = g_slice_new0 (CoglDisplayWayland);
+  egl_display->platform = wayland_display;
+
+  return TRUE;
+}
+
+static void
+_cogl_winsys_egl_display_destroy (CoglDisplay *display)
+{
+  CoglDisplayEGL *egl_display = display->winsys;
+
+  g_slice_free (CoglDisplayWayland, egl_display->platform);
+}
+
+static gboolean
+_cogl_winsys_egl_context_created (CoglDisplay *display,
+                                  GError **error)
+{
+  CoglRenderer *renderer = display->renderer;
+  CoglRendererEGL *egl_renderer = renderer->winsys;
+  CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+  CoglDisplayEGL *egl_display = display->winsys;
+  CoglDisplayWayland *wayland_display = egl_display->platform;
+  const char *error_message;
+
+  wayland_display->wayland_surface =
+    wl_compositor_create_surface (wayland_renderer->wayland_compositor);
+  if (!wayland_display->wayland_surface)
+    {
+      error_message= "Failed to create a dummy wayland surface";
+      goto fail;
+    }
+
+  wayland_display->wayland_egl_native_window =
+    wl_egl_window_create (wayland_display->wayland_surface,
+                          1,
+                          1);
+  if (!wayland_display->wayland_egl_native_window)
+    {
+      error_message= "Failed to create a dummy wayland native egl surface";
+      goto fail;
+    }
+
+  egl_display->dummy_surface =
+    eglCreateWindowSurface (egl_renderer->edpy,
+                            egl_display->egl_config,
+                            (EGLNativeWindowType)
+                            wayland_display->wayland_egl_native_window,
+                            NULL);
+  if (egl_display->dummy_surface == EGL_NO_SURFACE)
+    {
+      error_message= "Unable to eglMakeCurrent with dummy surface";
+      goto fail;
+    }
+
+  if (!eglMakeCurrent (egl_renderer->edpy,
+                       egl_display->dummy_surface,
+                       egl_display->dummy_surface,
+                       egl_display->egl_context))
+    {
+      error_message = "Unable to eglMakeCurrent with dummy surface";
+      goto fail;
+    }
+
+  return TRUE;
+
+ fail:
+  g_set_error (error, COGL_WINSYS_ERROR,
+               COGL_WINSYS_ERROR_CREATE_CONTEXT,
+               "%s", error_message);
+  return FALSE;
+}
+
+static void
+_cogl_winsys_egl_cleanup_context (CoglDisplay *display)
+{
+  CoglRenderer *renderer = display->renderer;
+  CoglRendererEGL *egl_renderer = renderer->winsys;
+  CoglDisplayEGL *egl_display = display->winsys;
+  CoglDisplayWayland *wayland_display = egl_display->platform;
+
+  if (egl_display->dummy_surface != EGL_NO_SURFACE)
+    {
+      eglDestroySurface (egl_renderer->edpy, egl_display->dummy_surface);
+      egl_display->dummy_surface = EGL_NO_SURFACE;
+    }
+
+  if (wayland_display->wayland_egl_native_window)
+    {
+      wl_egl_window_destroy (wayland_display->wayland_egl_native_window);
+      wayland_display->wayland_egl_native_window = NULL;
+    }
+
+  if (wayland_display->wayland_surface)
+    {
+      wl_surface_destroy (wayland_display->wayland_surface);
+      wayland_display->wayland_surface = NULL;
+    }
+}
+
+static gboolean
+_cogl_winsys_egl_context_init (CoglContext *context,
+                               GError **error)
+{
+  context->feature_flags |= COGL_FEATURE_ONSCREEN_MULTIPLE;
+  COGL_FLAGS_SET (context->features,
+                  COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE);
+  COGL_FLAGS_SET (context->winsys_features,
+                  COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN,
+                  TRUE);
+
+  return TRUE;
+}
+
+static gboolean
+_cogl_winsys_egl_onscreen_init (CoglOnscreen *onscreen,
+                                EGLConfig egl_config,
+                                GError **error)
+{
+  CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
+  CoglOnscreenWayland *wayland_onscreen;
+  CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
+  CoglContext *context = framebuffer->context;
+  CoglRenderer *renderer = context->display->renderer;
+  CoglRendererEGL *egl_renderer = renderer->winsys;
+  CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+
+  wayland_onscreen = g_slice_new0 (CoglOnscreenWayland);
+  egl_onscreen->platform = wayland_onscreen;
+
+  wayland_onscreen->wayland_surface =
+    wl_compositor_create_surface (wayland_renderer->wayland_compositor);
+  if (!wayland_onscreen->wayland_surface)
+    {
+      g_set_error (error, COGL_WINSYS_ERROR,
+                   COGL_WINSYS_ERROR_CREATE_ONSCREEN,
+                   "Error while creating wayland surface for CoglOnscreen");
+      return FALSE;
+    }
+
+  wayland_onscreen->wayland_shell_surface =
+    wl_shell_get_shell_surface (wayland_renderer->wayland_shell,
+                                wayland_onscreen->wayland_surface);
+
+  wayland_onscreen->wayland_egl_native_window =
+    wl_egl_window_create (wayland_onscreen->wayland_surface,
+                          cogl_framebuffer_get_width (framebuffer),
+                          cogl_framebuffer_get_height (framebuffer));
+  if (!wayland_onscreen->wayland_egl_native_window)
+    {
+      g_set_error (error, COGL_WINSYS_ERROR,
+                   COGL_WINSYS_ERROR_CREATE_ONSCREEN,
+                   "Error while creating wayland egl native window "
+                   "for CoglOnscreen");
+      return FALSE;
+    }
+
+  egl_onscreen->egl_surface =
+    eglCreateWindowSurface (egl_renderer->edpy,
+                            egl_config,
+                            (EGLNativeWindowType)
+                            wayland_onscreen->wayland_egl_native_window,
+                            NULL);
+
+  wl_shell_surface_set_toplevel (wayland_onscreen->wayland_shell_surface);
+
+  return TRUE;
+}
+
+static void
+_cogl_winsys_egl_onscreen_deinit (CoglOnscreen *onscreen)
+{
+  CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
+  CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform;
+
+  if (wayland_onscreen->wayland_egl_native_window)
+    {
+      wl_egl_window_destroy (wayland_onscreen->wayland_egl_native_window);
+      wayland_onscreen->wayland_egl_native_window = NULL;
+    }
+
+  if (wayland_onscreen->wayland_surface)
+    {
+      wl_surface_destroy (wayland_onscreen->wayland_surface);
+      wayland_onscreen->wayland_surface = NULL;
+    }
+
+  g_slice_free (CoglOnscreenWayland, wayland_onscreen);
+}
+
+static void
+_cogl_winsys_onscreen_swap_buffers (CoglOnscreen *onscreen)
+{
+  CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context;
+  CoglRenderer *renderer = context->display->renderer;
+  CoglRendererEGL *egl_renderer = renderer->winsys;
+  CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+
+  /* First chain-up */
+  parent_vtable->onscreen_swap_buffers (onscreen);
+
+  /*
+   * The implementation of eglSwapBuffers may do a flush however the semantics
+   * of eglSwapBuffers on Wayland has changed in the past. So to be safe to
+   * the implementation changing we should explicitly ensure all messages are
+   * sent.
+   */
+  wl_display_flush (wayland_renderer->wayland_display);
+}
+
+void
+cogl_wayland_renderer_set_foreign_display (CoglRenderer *renderer,
+                                           struct wl_display *display)
+{
+  _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
+
+  /* NB: Renderers are considered immutable once connected */
+  _COGL_RETURN_IF_FAIL (!renderer->connected);
+
+  renderer->foreign_wayland_display = display;
+}
+
+struct wl_display *
+cogl_wayland_renderer_get_display (CoglRenderer *renderer)
+{
+  _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
+
+  if (renderer->foreign_wayland_display)
+    return renderer->foreign_wayland_display;
+  else if (renderer->connected)
+    {
+      CoglRendererEGL *egl_renderer = renderer->winsys;
+      CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+      return wayland_renderer->wayland_display;
+    }
+  else
+    return NULL;
+}
+
+void
+cogl_wayland_renderer_set_foreign_compositor (CoglRenderer *renderer,
+                                              struct wl_compositor *compositor)
+{
+  _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
+
+  /* NB: Renderers are considered immutable once connected */
+  _COGL_RETURN_IF_FAIL (!renderer->connected);
+
+  renderer->foreign_wayland_compositor = compositor;
+}
+
+struct wl_compositor *
+cogl_wayland_renderer_get_compositor (CoglRenderer *renderer)
+{
+  _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
+
+  if (renderer->foreign_wayland_compositor)
+    return renderer->foreign_wayland_compositor;
+  else if (renderer->connected)
+    {
+      CoglRendererEGL *egl_renderer = renderer->winsys;
+      CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+      return wayland_renderer->wayland_compositor;
+    }
+  else
+    return NULL;
+}
+
+void
+cogl_wayland_renderer_set_foreign_shell (CoglRenderer *renderer,
+                                         struct wl_shell *shell)
+{
+  _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
+
+  /* NB: Renderers are considered immutable once connected */
+  _COGL_RETURN_IF_FAIL (!renderer->connected);
+
+  renderer->foreign_wayland_shell = shell;
+}
+
+struct wl_shell *
+cogl_wayland_renderer_get_shell (CoglRenderer *renderer)
+{
+  _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
+
+  if (renderer->foreign_wayland_shell)
+    return renderer->foreign_wayland_shell;
+  else if (renderer->connected)
+    {
+      CoglRendererEGL *egl_renderer = renderer->winsys;
+      CoglRendererWayland *wayland_renderer = egl_renderer->platform;
+      return wayland_renderer->wayland_shell;
+    }
+  else
+    return NULL;
+}
+
+struct wl_surface *
+cogl_wayland_onscreen_get_surface (CoglOnscreen *onscreen)
+{
+  CoglFramebuffer *fb;
+
+  fb = COGL_FRAMEBUFFER (onscreen);
+  if (fb->allocated)
+    {
+      CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
+      CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform;
+      return wayland_onscreen->wayland_surface;
+    }
+  else
+    return NULL;
+}
+
+struct wl_shell_surface *
+cogl_wayland_onscreen_get_shell_surface (CoglOnscreen *onscreen)
+{
+  CoglFramebuffer *fb;
+
+  fb = COGL_FRAMEBUFFER (onscreen);
+  if (fb->allocated)
+    {
+      CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
+      CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform;
+      return wayland_onscreen->wayland_shell_surface;
+    }
+  else
+    return NULL;
+}
+
+static const CoglWinsysEGLVtable
+_cogl_winsys_egl_vtable =
+  {
+    .display_setup = _cogl_winsys_egl_display_setup,
+    .display_destroy = _cogl_winsys_egl_display_destroy,
+    .context_created = _cogl_winsys_egl_context_created,
+    .cleanup_context = _cogl_winsys_egl_cleanup_context,
+    .context_init = _cogl_winsys_egl_context_init,
+    .onscreen_init = _cogl_winsys_egl_onscreen_init,
+    .onscreen_deinit = _cogl_winsys_egl_onscreen_deinit
+  };
 
 const CoglWinsysVtable *
 _cogl_winsys_egl_wayland_get_vtable (void)
@@ -43,11 +522,17 @@ _cogl_winsys_egl_wayland_get_vtable (void)
       /* The EGL_WAYLAND winsys is a subclass of the EGL winsys so we
          start by copying its vtable */
 
-      vtable = *_cogl_winsys_egl_get_vtable ();
+      parent_vtable = _cogl_winsys_egl_get_vtable ();
+      vtable = *parent_vtable;
 
       vtable.id = COGL_WINSYS_ID_EGL_WAYLAND;
       vtable.name = "EGL_WAYLAND";
 
+      vtable.renderer_connect = _cogl_winsys_renderer_connect;
+      vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect;
+
+      vtable.onscreen_swap_buffers = _cogl_winsys_onscreen_swap_buffers;
+
       vtable_inited = TRUE;
     }
 
diff --git a/cogl/winsys/cogl-winsys-egl.c b/cogl/winsys/cogl-winsys-egl.c
index 674f5f6..c658fbc 100644
--- a/cogl/winsys/cogl-winsys-egl.c
+++ b/cogl/winsys/cogl-winsys-egl.c
@@ -43,11 +43,6 @@
 
 #include "cogl-private.h"
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-#include <wayland-client.h>
-#include <wayland-egl.h>
-#endif
-
 #ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT
 #include <android/native_window.h>
 #endif
@@ -137,27 +132,6 @@ _cogl_winsys_renderer_disconnect (CoglRenderer *renderer)
   g_slice_free (CoglRendererEGL, egl_renderer);
 }
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-
-static void
-display_handle_global_cb (struct wl_display *display,
-                          uint32_t id,
-                          const char *interface,
-                          uint32_t version,
-                          void *data)
-{
-  CoglRendererEGL *egl_renderer = (CoglRendererEGL *)data;
-
-  if (strcmp (interface, "wl_compositor") == 0)
-    egl_renderer->wayland_compositor =
-      wl_display_bind (display, id, &wl_compositor_interface);
-  else if (strcmp(interface, "wl_shell") == 0)
-    egl_renderer->wayland_shell =
-      wl_display_bind (display, id, &wl_shell_interface);
-}
-
-#endif
-
 /* Updates all the function pointers */
 static void
 check_egl_extensions (CoglRenderer *renderer)
@@ -224,57 +198,6 @@ _cogl_winsys_renderer_connect (CoglRenderer *renderer,
       g_warn_if_reached ();
       goto error;
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-    case COGL_WINSYS_ID_EGL_WAYLAND:
-      /* The EGL API doesn't provide for a way to explicitly select a
-       * platform when the driver can support multiple. Mesa allows
-       * selection using an environment variable though so that's what
-       * we're doing here... */
-      setenv("EGL_PLATFORM", "wayland", 1);
-
-      if (renderer->foreign_wayland_display)
-        {
-          egl_renderer->wayland_display = renderer->foreign_wayland_display;
-          /* XXX: For now we have to assume that if a foreign display is
-           * given then a foreign compositor and shell must also have been
-           * given because wayland doesn't provide a way to
-           * retrospectively be notified of the these objects. */
-          g_assert (renderer->foreign_wayland_compositor);
-          g_assert (renderer->foreign_wayland_shell);
-          egl_renderer->wayland_compositor =
-            renderer->foreign_wayland_compositor;
-          egl_renderer->wayland_shell = renderer->foreign_wayland_shell;
-        }
-      else
-        {
-          egl_renderer->wayland_display = wl_display_connect (NULL);
-          if (!egl_renderer->wayland_display)
-            {
-              g_set_error (error, COGL_WINSYS_ERROR,
-                           COGL_WINSYS_ERROR_INIT,
-                           "Failed to connect wayland display");
-              goto error;
-            }
-
-          wl_display_add_global_listener (egl_renderer->wayland_display,
-                                          display_handle_global_cb,
-                                          egl_renderer);
-        }
-
-      /*
-       * Ensure that that we've received the messages setting up the
-       * compostor and shell object. This is better than just
-       * wl_display_iterate since it will always ensure that something
-       * is available to be read
-       */
-      while (!(egl_renderer->wayland_compositor && egl_renderer->wayland_shell))
-        wl_display_roundtrip (egl_renderer->wayland_display);
-
-      egl_renderer->edpy =
-        eglGetDisplay ((EGLNativeDisplayType)egl_renderer->wayland_display);
-      break;
-#endif
-
     case COGL_WINSYS_ID_EGL_GDL:
     case COGL_WINSYS_ID_EGL_ANDROID:
     case COGL_WINSYS_ID_EGL_NULL:
@@ -458,49 +381,6 @@ try_create_context (CoglDisplay *display,
         return FALSE;
       break;
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-    case COGL_WINSYS_ID_EGL_WAYLAND:
-      egl_display->wayland_surface =
-        wl_compositor_create_surface (egl_renderer->wayland_compositor);
-      if (!egl_display->wayland_surface)
-        {
-          error_message= "Failed to create a dummy wayland surface";
-          goto fail;
-        }
-
-      egl_display->wayland_egl_native_window =
-        wl_egl_window_create (egl_display->wayland_surface,
-                              1,
-                              1);
-      if (!egl_display->wayland_egl_native_window)
-        {
-          error_message= "Failed to create a dummy wayland native egl surface";
-          goto fail;
-        }
-
-      egl_display->dummy_surface =
-        eglCreateWindowSurface (edpy,
-                                egl_display->egl_config,
-                                (EGLNativeWindowType)
-                                egl_display->wayland_egl_native_window,
-                                NULL);
-      if (egl_display->dummy_surface == EGL_NO_SURFACE)
-        {
-          error_message= "Unable to eglMakeCurrent with dummy surface";
-          goto fail;
-        }
-
-      if (!eglMakeCurrent (edpy,
-                           egl_display->dummy_surface,
-                           egl_display->dummy_surface,
-                           egl_display->egl_context))
-        {
-          error_message = "Unable to eglMakeCurrent with dummy surface";
-          goto fail;
-        }
-      break;
-#endif
-
 #ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT
     case COGL_WINSYS_ID_EGL_ANDROID:
       {
@@ -671,28 +551,6 @@ cleanup_context (CoglDisplay *display)
         }
       break;
 #endif
-
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-    case COGL_WINSYS_ID_EGL_WAYLAND:
-      if (egl_display->dummy_surface != EGL_NO_SURFACE)
-        {
-          eglDestroySurface (egl_renderer->edpy, egl_display->dummy_surface);
-          egl_display->dummy_surface = EGL_NO_SURFACE;
-        }
-
-      if (egl_display->wayland_egl_native_window)
-        {
-          wl_egl_window_destroy (egl_display->wayland_egl_native_window);
-          egl_display->wayland_egl_native_window = NULL;
-        }
-
-      if (egl_display->wayland_surface)
-        {
-          wl_surface_destroy (egl_display->wayland_surface);
-          egl_display->wayland_surface = NULL;
-        }
-      break;
-#endif
     }
 }
 
@@ -845,10 +703,11 @@ _cogl_winsys_display_setup (CoglDisplay *display,
 #endif
 
 #ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT
-  if (renderer->winsys_vtable->id == COGL_WINSYS_ID_EGL_WAYLAND &&
-      display->wayland_compositor_display)
+  if (display->wayland_compositor_display)
     {
       struct wl_display *wayland_display = display->wayland_compositor_display;
+      CoglRendererEGL *egl_renderer = display->renderer->winsys;
+
       egl_renderer->pf_eglBindWaylandDisplay (egl_renderer->edpy,
                                               wayland_display);
     }
@@ -889,16 +748,6 @@ _cogl_winsys_context_init (CoglContext *context, GError **error)
   if (!_cogl_context_update_features (context, error))
     return FALSE;
 
-  if (renderer->winsys_vtable->id == COGL_WINSYS_ID_EGL_WAYLAND)
-    {
-      context->feature_flags |= COGL_FEATURE_ONSCREEN_MULTIPLE;
-      COGL_FLAGS_SET (context->features,
-                      COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE);
-      COGL_FLAGS_SET (context->winsys_features,
-                      COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN,
-                      TRUE);
-    }
-
   if (egl_renderer->private_features & COGL_EGL_WINSYS_FEATURE_SWAP_REGION)
     {
       COGL_FLAGS_SET (context->winsys_features,
@@ -994,46 +843,6 @@ _cogl_winsys_onscreen_init (CoglOnscreen *onscreen,
         }
       break;
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-    case COGL_WINSYS_ID_EGL_WAYLAND:
-      egl_onscreen->wayland_surface =
-        wl_compositor_create_surface (egl_renderer->wayland_compositor);
-      if (!egl_onscreen->wayland_surface)
-        {
-          g_set_error (error, COGL_WINSYS_ERROR,
-                       COGL_WINSYS_ERROR_CREATE_ONSCREEN,
-                       "Error while creating wayland surface for CoglOnscreen");
-          return FALSE;
-        }
-
-      egl_onscreen->wayland_shell_surface =
-        wl_shell_get_shell_surface (egl_renderer->wayland_shell,
-                                    egl_onscreen->wayland_surface);
-
-      egl_onscreen->wayland_egl_native_window =
-        wl_egl_window_create (egl_onscreen->wayland_surface,
-                              cogl_framebuffer_get_width (framebuffer),
-                              cogl_framebuffer_get_height (framebuffer));
-      if (!egl_onscreen->wayland_egl_native_window)
-        {
-          g_set_error (error, COGL_WINSYS_ERROR,
-                       COGL_WINSYS_ERROR_CREATE_ONSCREEN,
-                       "Error while creating wayland egl native window "
-                       "for CoglOnscreen");
-          return FALSE;
-        }
-
-      egl_onscreen->egl_surface =
-        eglCreateWindowSurface (egl_renderer->edpy,
-                                egl_config,
-                                (EGLNativeWindowType)
-                                egl_onscreen->wayland_egl_native_window,
-                                NULL);
-
-      wl_shell_surface_set_toplevel (egl_onscreen->wayland_shell_surface);
-      break;
-#endif
-
 #if defined (COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT) || \
     defined (COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT)      || \
     defined (COGL_HAS_EGL_PLATFORM_GDL_SUPPORT)
@@ -1093,20 +902,6 @@ _cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen)
   egl_display->have_onscreen = FALSE;
 #endif
 
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-  if (egl_onscreen->wayland_egl_native_window)
-    {
-      wl_egl_window_destroy (egl_onscreen->wayland_egl_native_window);
-      egl_onscreen->wayland_egl_native_window = NULL;
-    }
-
-  if (egl_onscreen->wayland_surface)
-    {
-      wl_surface_destroy (egl_onscreen->wayland_surface);
-      egl_onscreen->wayland_surface = NULL;
-    }
-#endif
-
   g_slice_free (CoglOnscreenEGL, onscreen->winsys);
   onscreen->winsys = NULL;
 }
@@ -1193,17 +988,6 @@ _cogl_winsys_onscreen_swap_buffers (CoglOnscreen *onscreen)
                                  COGL_FRAMEBUFFER_STATE_BIND);
 
   eglSwapBuffers (egl_renderer->edpy, egl_onscreen->egl_surface);
-
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-  /*
-   * The implementation of eglSwapBuffers may do a flush however the semantics
-   * of eglSwapBuffers on Wayland has changed in the past. So to be safe to
-   * the implementation changing we should explicitly ensure all messages are
-   * sent.
-   */
-  if (renderer->winsys_vtable->id == COGL_WINSYS_ID_EGL_WAYLAND)
-    wl_display_flush (egl_renderer->wayland_display);
-#endif
 }
 
 static void
@@ -1267,126 +1051,6 @@ _cogl_winsys_egl_get_vtable (void)
   return &_cogl_winsys_vtable;
 }
 
-/* FIXME: we should have a separate wayland file for these entry
- * points... */
-#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
-void
-cogl_wayland_renderer_set_foreign_display (CoglRenderer *renderer,
-                                           struct wl_display *display)
-{
-  _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
-
-  /* NB: Renderers are considered immutable once connected */
-  _COGL_RETURN_IF_FAIL (!renderer->connected);
-
-  renderer->foreign_wayland_display = display;
-}
-
-struct wl_display *
-cogl_wayland_renderer_get_display (CoglRenderer *renderer)
-{
-  _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
-
-  if (renderer->foreign_wayland_display)
-    return renderer->foreign_wayland_display;
-  else if (renderer->connected)
-    {
-      CoglRendererEGL *egl_renderer = renderer->winsys;
-      return egl_renderer->wayland_display;
-    }
-  else
-    return NULL;
-}
-
-void
-cogl_wayland_renderer_set_foreign_compositor (CoglRenderer *renderer,
-                                              struct wl_compositor *compositor)
-{
-  _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
-
-  /* NB: Renderers are considered immutable once connected */
-  _COGL_RETURN_IF_FAIL (!renderer->connected);
-
-  renderer->foreign_wayland_compositor = compositor;
-}
-
-struct wl_compositor *
-cogl_wayland_renderer_get_compositor (CoglRenderer *renderer)
-{
-  _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
-
-  if (renderer->foreign_wayland_compositor)
-    return renderer->foreign_wayland_compositor;
-  else if (renderer->connected)
-    {
-      CoglRendererEGL *egl_renderer = renderer->winsys;
-      return egl_renderer->wayland_compositor;
-    }
-  else
-    return NULL;
-}
-
-void
-cogl_wayland_renderer_set_foreign_shell (CoglRenderer *renderer,
-                                         struct wl_shell *shell)
-{
-  _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer));
-
-  /* NB: Renderers are considered immutable once connected */
-  _COGL_RETURN_IF_FAIL (!renderer->connected);
-
-  renderer->foreign_wayland_shell = shell;
-}
-
-struct wl_shell *
-cogl_wayland_renderer_get_shell (CoglRenderer *renderer)
-{
-  _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL);
-
-  if (renderer->foreign_wayland_shell)
-    return renderer->foreign_wayland_shell;
-  else if (renderer->connected)
-    {
-      CoglRendererEGL *egl_renderer = renderer->winsys;
-      return egl_renderer->wayland_shell;
-    }
-  else
-    return NULL;
-}
-
-struct wl_surface *
-cogl_wayland_onscreen_get_surface (CoglOnscreen *onscreen)
-{
-  CoglFramebuffer *fb;
-
-  fb = COGL_FRAMEBUFFER (onscreen);
-  if (fb->allocated)
-    {
-      CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
-      return egl_onscreen->wayland_surface;
-    }
-  else
-    return NULL;
-}
-
-
-struct wl_shell_surface *
-cogl_wayland_onscreen_get_shell_surface (CoglOnscreen *onscreen)
-{
-  CoglFramebuffer *fb;
-
-  fb = COGL_FRAMEBUFFER (onscreen);
-  if (fb->allocated)
-    {
-      CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
-      return egl_onscreen->wayland_shell_surface;
-    }
-  else
-    return NULL;
-}
-
-#endif /* COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT */
-
 #ifdef EGL_KHR_image_base
 EGLImageKHR
 _cogl_egl_create_image (CoglContext *ctx,
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