Tiled sprite improvements!

src/dawnopengl/display/TextureRenderTarget.cpp

@@ -18,8 +18,8 @@ Texture * TextureRenderTarget::getTexture() {
 void TextureRenderTarget::setSize(float_t width, float_t height) {
   assertTrue(width > 0);
   assertTrue(height > 0);
-  assertTrue(width != this->getWidth());
-  assertTrue(height != this->getHeight());
+
+  if(width == this->getWidth() && height == this->getHeight()) return;
 
   // Delete old buffers.
   if(this->rboId != -1) glDeleteRenderbuffers(1, &this->rboId);