[SDL_Tizen] Fix Rotation Issue

- If alpha size is not zero, doesn't occur rotate event.
- alpha value fixed a zero.

Change-Id: I01728f61121ca29731bf936128831a06f1520f52
Signed-off-by: huiyu.eun <huiyu.eun@samsung.com>

diff --git a/src/video/tizen/SDL_tizenwindow.c b/src/video/tizen/SDL_tizenwindow.c
index 08d754e..03fa91f 100755 (executable)
--- a/src/video/tizen/SDL_tizenwindow.c
+++ b/src/video/tizen/SDL_tizenwindow.c
@@ -338,7 +338,7 @@ Tizen_CreateWindow(_THIS, SDL_Window *window)
             return -1;
         }
 
-        if (!Tizen_GLES_GetAlphaSize(_this)) {
+        if (!_this->gl_config.alpha_size) {
             ecore_wl_window_opaque_region_set(wind->window, window->x, window->y, window->w, window->h);
         }
         else {