Move texture management out of screen.c, which already handles the window and the rendering. This paves the way to implement optional software filtering (swscale) properly, as an alternative to mipmaps (which are not available everywhere).
Move texture management out of screen.c, which already handles the window and the rendering. This paves the way to implement optional software filtering (swscale) properly, as an alternative to mipmaps (which are not available everywhere).