SDRAM + I2C (nios II?) + VHDL + VGA= QSYS? Connecting VHDL with Qsys (DE0-Nano)

Hello, I need to control my camera OV7670 with I2C protocol (so it's best to use nios II i think) and i need to interface it with VGA and some image processing VHDL files, which will be fetching i...