ecore-wl2: Start on preliminary subsurface support

Signed-off-by: Chris Michael <cp.michael@samsung.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/src/lib/ecore_wl2/ecore_wl2_subsurf.c b/src/lib/ecore_wl2/ecore_wl2_subsurf.c
new file mode 100644
index 0000000000..90a934364a
--- /dev/null
+++ b/src/lib/ecore_wl2/ecore_wl2_subsurf.c
@@ -0,0 +1,71 @@
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "ecore_wl2_private.h"
+
+void
+_ecore_wl2_subsurf_free(Ecore_Wl2_Subsurface *subsurf)
+{
+   Ecore_Wl2_Window *parent;
+
+   if (subsurf->wl.subsurface) wl_subsurface_destroy(subsurf->wl.subsurface);
+   if (subsurf->wl.surface) wl_surface_destroy(subsurf->wl.surface);
+
+   parent = subsurf->parent;
+   if (parent)
+     {
+        parent->subsurfs =
+          eina_inlist_remove(parent->subsurfs, EINA_INLIST_GET(subsurf));
+     }
+
+   free(subsurf);
+}
+
+EAPI Ecore_Wl2_Subsurface *
+ecore_wl2_subsurface_new(Ecore_Wl2_Window *window)
+{
+   Ecore_Wl2_Display *display;
+   Ecore_Wl2_Subsurface *subsurf;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(window, NULL);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(window->surface, NULL);
+
+   display = window->display;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(display->wl.compositor, NULL);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(display->wl.subcompositor, NULL);
+
+   subsurf = calloc(1, sizeof(Ecore_Wl2_Subsurface));
+   if (!subsurf) return NULL;
+
+   subsurf->parent = window;
+
+   subsurf->wl.surface = wl_compositor_create_surface(display->wl.compositor);
+   if (!subsurf->wl.surface)
+     {
+        ERR("Failed to create surface: %m");
+        goto surf_err;
+     }
+
+   subsurf->wl.subsurface =
+     wl_subcompositor_get_subsurface(display->wl.subcompositor,
+                                     subsurf->wl.surface, window->surface);
+   if (!subsurf->wl.subsurface)
+     {
+        ERR("Could not create subsurface: %m");
+        goto sub_surf_err;
+     }
+
+   window->subsurfs =
+     eina_inlist_append(window->subsurfs, EINA_INLIST_GET(subsurf));
+
+   return subsurf;
+
+sub_surf_err:
+   wl_surface_destroy(subsurf->wl.surface);
+
+surf_err:
+   free(subsurf);
+   return NULL;
+}