Added mipmaps to sfRenderTexture and sfTexture.

src/SFML/Graphics/RenderTexture.cpp

@@ -281,3 +281,10 @@ sfBool sfRenderTexture_isRepeated(const sfRenderTexture* renderTexture)
 {
     CSFML_CALL_RETURN(renderTexture, isRepeated(), sfFalse);
 }
+
+
+////////////////////////////////////////////////////////////
+sfBool sfRenderTexture_generateMipmap(sfRenderTexture* renderTexture)
+{
+    CSFML_CALL_RETURN(renderTexture, generateMipmap(), sfFalse);
+}

src/SFML/Graphics/Texture.cpp

@@ -256,6 +256,13 @@ sfBool sfTexture_isRepeated(const sfTexture* texture)
 }
 
 
+////////////////////////////////////////////////////////////
+sfBool sfTexture_generateMipmap(sfTexture* texture)
+{
+    CSFML_CALL_PTR_RETURN(texture, generateMipmap(), sfFalse);
+}
+
+
 ////////////////////////////////////////////////////////////
 unsigned int sfTexture_getNativeHandle(const sfTexture* texture)
 {