Raygui textures with SetShapesTexture.

src/textures.c

@@ -1035,6 +1035,19 @@ int ltexturesImageDrawTextEx( lua_State *L ) {
 ## Textures - Texture loading functions
 */
 
+/*
+> texture = RL.GetTextureDefault()
+
+Get default texture. Return as lightuserdata
+
+- Success return Texture
+*/
+int ltexturesGetTextureDefault( lua_State *L ) {
+	lua_pushlightuserdata( L, &state->defaultTexture );
+
+	return 1;
+}
+
 /*
 > texture = RL.LoadTexture( string fileName )