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Why do we need DirectX? Wasn pSX supposed to be software rendered?

April 26, 2017DirectX pSX rendered Software

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Why do we need DirectX? Wasn pSX supposed to be software rendered?

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A. DirectX (more specifically, the Direct3D subset) is needed only for drawing the images to the screen. Everything else is done in software mode, so the emulator is more CPU bound rather than GPU bound. Q.