Provided are methods and apparatuses for adjusting the processing sequence of draw commands for rendering images. The rendering method including determining, at a processing sequence determiner, previous draw commands that are identical to current draw commands; de-termining a processing sequence of the current draw commands based on depth information of the determined previous draw commands; and performing a Z-test on the current draw commands based on the processing sequence, and performing shading based on a result of the Z-test.