From 0ec70a22fdebf04af66c797746bec995d73c3d0e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Boldizs=C3=A1r=20Lipka?= <lipkab@zoho.com>
Date: Thu, 5 Jun 2014 16:20:55 +0200
Subject: [PATCH] Add a function to check if the handled pointer is NULL.

---
 src/sdl/texture.cpp | 5 +++++
 src/sdl/texture.hpp | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/src/sdl/texture.cpp b/src/sdl/texture.cpp
index 026c69bd3a29..67488290b348 100644
--- a/src/sdl/texture.cpp
+++ b/src/sdl/texture.cpp
@@ -343,6 +343,11 @@ void ttexture::update_pixels(SDL_Surface *surf)
 	}
 }
 
+bool ttexture::null() const
+{
+	return texture_ == NULL;
+}
+
 void ttexture::initialise_from_surface(SDL_Renderer& renderer, const int access)
 {
 	if(access == SDL_TEXTUREACCESS_STATIC) {
diff --git a/src/sdl/texture.hpp b/src/sdl/texture.hpp
index 519fd7f29ff3..84bed8a66814 100644
--- a/src/sdl/texture.hpp
+++ b/src/sdl/texture.hpp
@@ -281,6 +281,13 @@ class ttexture
 	 */
 	 void update_pixels(SDL_Surface* surf);
 
+	 /**
+	  * Tells whether the instance really handles an SDL_Texture object.
+	  *
+	  * @return                   True if the handled pointer is NULL.
+	  */
+	 bool null() const;
+
 private:
 	/**
 	 * The reference count of the texture.