From: Mikko Ylinen <mikko.ylinen@intel.com>
Date: Thu, 10 Jan 2013 12:30:37 +0000 (+0200)
Subject: Force ELM_WAYLAND_EGL if engine set called when DISPLAY not set
X-Git-Tag: accepted/tizen/common/20150312.084940~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3a3bec32bcbf1079e9886a9576114bf458c42508;p=platform%2Fupstream%2Felementary.git

Force ELM_WAYLAND_EGL if engine set called when DISPLAY not set

Some applications are directly calling elm_config_preferred_engine_set.
To avoid patching all apps to work with Wayland, always set
ELM_WAYLAND_EGL if elm_config_preferred_engine_set is called with
EGL_OPENGL_X11 or EGL_SOFTWARE_X11 when DISPLAY is not set.

Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com>
---

diff --git a/src/lib/elm_config.c b/src/lib/elm_config.c
index c72ebc0..c604c37 100644
--- a/src/lib/elm_config.c
+++ b/src/lib/elm_config.c
@@ -3365,8 +3365,16 @@ elm_config_preferred_engine_get(void)
 EAPI void
 elm_config_preferred_engine_set(const char *engine)
 {
-   if (engine)
-     eina_stringshare_replace(&(_elm_preferred_engine), engine);
+   char *d;
+   if (engine) {
+#define ENGINE_COMPARE(name) (!strcmp(name, engine))
+     if (!(d = getenv("DISPLAY")) && (ENGINE_COMPARE(ELM_SOFTWARE_X11) ||
+			              ENGINE_COMPARE(ELM_OPENGL_X11)))
+	eina_stringshare_replace(&(_elm_preferred_engine), ELM_WAYLAND_EGL);
+     else
+	eina_stringshare_replace(&(_elm_preferred_engine), engine);
+#undef ENGINE_COMPARE
+   }
    else
      {
         ELM_SAFE_FREE(_elm_preferred_engine, eina_stringshare_del);