Hello, I'm new to DX programming and I'm trying to make a GUI for a simple 2D game in DX9. I've followed tutorial on building a game display (http://directxtutorial.com/Tutorial9/D-GameDisplay/dx9D.aspx) using sprites. Now I have a question - how to merge 2 or more sprites, or better say their texures into one single texture? Sort of like merging layers in PhotoShop or blitting ...